Articoli di riviste: "VFVG"

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Hong, Tianzeng, Runze Zhan, Yu Zhang e Shaozhi Deng. "High Crystallinity Vertical Few-Layer Graphene Grown Using Template Method Assisted ICPCVD Approach". Nanomaterials 12, n. 21 (25 ottobre 2022): 3746. http://dx.doi.org/10.3390/nano12213746.

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Controllable synthesis of high crystallinity, low defects vertical few-layer graphene (VFLG) is significant for its application in electron emission, sensor or energy storage, etc. In this paper, a template method was introduced to grow high crystallinity VFLG (HCVFLG). A copper mask acted as a template which has two effects in the high-density plasma enhanced deposition which are protecting VFLG from ion etching and creating a molecular gas flow to assist efficient growth. Raman and TEM results confirmed the improved crystallinity of VFLG with the assistance of a copper mask. As a field emitter, the HCVFLG has a large field emission current and a low turn-on field. The maximum field emission current of a single HCVFLG sheet reaches 93 μA which is two orders of magnitude higher than VFLG grown without a mask. The maximum current density of HCVFLG film reached 67.15 mA/cm2 and is 2.6 times of VFLG grown without a mask. The vacuum breakdown mechanism of HCVFLG was contacted interface damage resulting in VFLG detaching from the substrate. This work provides a practical strategy for high-quality VFLG controllable synthesis and provides a simple method to realize the pattern growth of VFLG.

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Hong, Tianzeng, Chan Guo, Yu Zhang, Runze Zhan, Peng Zhao, Baohong Li e Shaozhi Deng. "Effects of Substrates on Nucleation, Growth and Electrical Property of Vertical Few-Layer Graphene". Nanomaterials 12, n. 6 (15 marzo 2022): 971. http://dx.doi.org/10.3390/nano12060971.

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A key common problem for vertical few-layer graphene (VFLG) applications in electronic devices is the solution to grow on substrates. In this study, four kinds of substrates (silicon, stainless-steel, quartz and carbon-cloth) were examined to understand the mechanism of the nucleation and growth of VFLG by using the inductively-coupled plasma-enhanced chemical vapor deposition (ICPCVD) method. The theoretical and experimental results show that the initial nucleation of VFLG was influenced by the properties of the substrates. Surface energy and catalysis of substrates had a significant effect on controlling nucleation density and nucleation rate of VFLG at the initial growth stage. The quality of the VFLG sheet rarely had a relationship with this kind of substrate and was prone to being influenced by growth conditions. The characterization of conductivity and field emissions for a single VFLG were examined in order to understand the influence of substrates on the electrical property. The results showed that there was little difference in the conductivity of the VFLG sheet grown on the four substrates, while the interfacial contact resistance of VFLG on the four substrates showed a tremendous difference due to the different properties of said substrates. Therefore, the field emission characterization of the VFLG sheet grown on stainless-steel substrate was the best, with the maximum emission current of 35 µA at a 160 V/μm electrostatic field. This finding highlights the controllable interface of between VFLG and substrates as an important issue for electrical application.

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Wiederin, Ewald. "Aufhebung des § 83 Abs 1 VfGG". Juristische Blätter 137, n. 3 (2015): 171–78. http://dx.doi.org/10.33196/jbl201503017102.

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Király, I., A. Peil, J. Halász, F. Dunemann, M. V. Hanke, T. Deák e M. Tóth. "RATIO OF HOMOZYGOUS AND HETEROZYGOUS VF GENOTYPES IN THE PROGENIES OF APPLE VFVF X VFVF CROSSES". Acta Horticulturae, n. 814 (marzo 2009): 819–24. http://dx.doi.org/10.17660/actahortic.2009.814.139.

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Almazroi, Abdulwahab Ali, Eman A. Aldhahri, Mahmood A. Al-Shareeda e Selvakumar Manickam. "ECA-VFog: An efficient certificateless authentication scheme for 5G-assisted vehicular fog computing". PLOS ONE 18, n. 6 (23 giugno 2023): e0287291. http://dx.doi.org/10.1371/journal.pone.0287291.

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Fifth-generation (5G)-enabled vehicular fog computing technologies have always been at the forefront of innovation because they support smart transport like the sharing of traffic data and cooperative processing in the urban fabric. Nevertheless, the most important factors limiting progress are concerns over message protection and safety. To cope with these challenges, several scholars have proposed certificateless authentication schemes with pseudonyms and traceability. These schemes avoid complicated management of certificate and escrow of key in the public key infrastructure-based approaches in the identity-based approaches, respectively. Nevertheless, problems such as high communication costs, security holes, and computational complexity still exist. Therefore, this paper proposes an efficient certificateless authentication called the ECA-VFog scheme for fog computing with 5G-assisted vehicular systems. The proposed ECA-VFog scheme applied efficient operations based on elliptic curve cryptography that is supported by a fog server through a 5G-base station. This work conducts a safety analysis of the security designs to analysis the viability and value of the proposed ECA-VFog scheme. In the performance ovulation section, the computation costs for signing and verification process are 2.3539 ms and 1.5752 ms, respectively. While, the communication costs and energy consumption overhead of the ECA-VFog are 124 bytes and 25.610432 mJ, respectively. Moreover, comparing the ECA-VFog scheme to other existing schemes, the performance estimation reveals that it is more cost-effective with regard to computation cost, communication cost, and energy consumption.

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Ezzat, Eman. "The new in management of recurrent laryngeal granuloma: long term follow-up". Journal of Otolaryngology-ENT Research 11, n. 6 (2019): 245–51. http://dx.doi.org/10.15406/joentr.2019.11.00443.

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Background/Aim: Vocal fold granuloma (VFG) is a nonspecific inflammatory process with no well-defined pathogenesis so its clinical and surgical treatment is not standardized. The aim of the study is to determine accurately the longest permissible period of conservative treatment of recurrent VFG, after which the decision of surgery must be made through long-term follow-up of cases with large recurrent posterior VFG, in addition to assessing the results of anew regimen in management of VFG. Material and Methods: this study conducted on 42patients with large recurrent posterior VFG that were on conservative management as long as the granulomas regress in size with follow-up intervals of 3 months through videolaryngoscope (VLS). Those with resistance VFG were subjected to surgical excision with intra-lesional steroid injection in the pedicle. Results: The most frequent related etiopathogenic factor was gastroesophageal reflux, followed by laryngeal intubation and idiopathic. Clinical management with proton pump inhibitor, systemic or local steroids and voice therapy in addition to behavior modification techniques were enough for remission on 80.95% of the patients. Surgical excision for granulomas was effective in 87.5% of the patients. Early recurrences were noticed in only one patient that proved to have a major gastroesophageal problem. Conclusion: VFG well responds to conservative treatment with complete recovery of maximum period 24months even if it is large and recurrent. Managing recurrent or large posterior VFG needs interdisciplinary team that involves an otolaryngologist, phoniatrician, gastroenterologist, and gastrointestinal surgeon. Voice abuse alone couldn't evoke the condition. Steroids are as important as anti-reflux medication in treatment of VFG.

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Sulaiman, Shahidatul Nadia, Noor Shafini Mohamad, Faikah Zakaria e Ann Erynna Lema Thomas Sudin. "Quantification of Visceral Adipose Tissue (VAT) and Subcutaneous Adipose Tissue (SAT) Based on CT Scan Tissue Segmentation Associated with Urolithiasis Recurrence". HEALTH AND WELLNESS II 18, s15 (15 ottobre 2022): 117–23. http://dx.doi.org/10.47836/mjmhs.18.s15.16.

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Introduction: The aim of this study is to applied CT scan-based tissue segmentation to measure visceral adipose tissue (VAT) and subcutaneous adipose tissue (SAT) volumes. Then, the ratio of both fat tissue volumes was calculated to get two more parameters: visceral fat volume ratio (VFVR) and subcutaneous fat volume ratio (SFVR). After that, the relationship between these factors and urolithiasis recurrence was examined using correlation analysis. Other parameters, which are the patient’s age and gender, were also tested for correlation analysis with urolithiasis recurrence. Finally, logistic regression analysis was performed to find the association between urolithiasis recurrence and the parameters (age, gender, VAT volume, SAT volume, VFVR and SFVR). Methods: This study was a retrospective cross-sectional study design using the images collected from CT Urology cases in the year 2019. The patients selected have a history of stone removal in 2014. The application used for CT tissue segmentation is 3D Slicer. Results: Urolithiasis recurrence shows medium and high degree of positive correlation with total fat volume, VAT volume, and VFVR (correlation coefficient, cc = 0.254, p = 0.023), (cc = 0.390, p< 0.001) and (cc = 0.688, p< 0.001), respectively and high degree of negative correlation with SFVR (cc = -0.688, p< 0.001). However, using logistic regression analysis, only VAT volume was significantly associated with urolithiasis recurrence (OR 1.11, 95% CI 1.01-1.22, p= 0.03), while the total fat volume, VFVR, and SFVR are not significant. Conclusion: CT scan-based tissue segmentation has a huge impact on fat volume quantification. This study confirms that VAT volume was strongly correlated with urolithiasis recurrence, indicating that VAT volume plays a more important role than SAT volume, total fat volume, VFVR and SFVR in the production of urinary stone. Thus, VAT volume can be further considered as a new independent risk factor for urolithiasis.

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Parsons, Robert F., Filip Vandelook e Steven B. Janssens. "Very fast germination: additional records and relationship to embryo size and phylogeny". Seed Science Research 24, n. 2 (28 marzo 2014): 159–63. http://dx.doi.org/10.1017/s096025851400004x.

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AbstractRecently, a list has been published of angiosperms capable of germinating in less than 24 h (‘very fast germination’). Here, we add three families and 23 species to that list. The main extra families complement ecological groups already recognized – the Cactaceae into the aridity-adapted group and the Tamaricaceae into the floodplain-adapted group. These amended findings on very fast germination (VFG) are integrated into the recent work on the functional ecology of embryo size. They confirm the important connection between germination speed and embryo to seed ratio. Plotting the plant orders containing VFG species on a phylogenetic tree shows that VFG has evolved multiple times throughout angiosperm history, including at least three times within the Caryophyllales. The fact that species with VFG are mainly restricted to advanced clades shows that VFG is a derived trait that evolved as an adaptation to either arid, saline or floodplain habitats.

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YILMAZ, Selçuk. "A bibliometric study of vascularized fibular grafting technique". Anatolian Current Medical Journal 5, n. 3 (28 luglio 2023): 217–26. http://dx.doi.org/10.38053/acmj.1302810.

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Aims: Vascularized fibula graft (VFG) technique is one of these “gold standard” techniques in bone regeneration. Although there have been several bibliometrics studies in orthopedics, there haven’t been any on VFGs. By identifying the gaps in previous research, we sought to provide light on the scientific evolution of VFGs and provide direction for future investigations. Methods: In this bibliometric study, the Web of Science (WOS) database was used to access publications on VFG published between 1986-2022. A literature search was performed with selected keywords. The dataset obtained was downloaded from the WOS database as an output. This output was analyzed with VOSviewer and Biblioshiny tools. Results: A total of 430 documents on VFG included the study. A mean of 11.9 articles/year was published on VFG. The first article on VFG published in 1986. Since 2005, there has been an increasing trend in the number of articles and citations. The year with the highest number of both publications (n=32) and citations (n=756) was 2021. The publications on VFG have cited a total of 7300 times, an average of 16.98 citations per publication. Total 51 countries contributed to publications on the VFG between 1986-2022. The United States of America (USA) was identified as the global leader in terms of the number of publications (n=91, 21.163%), followed by Japan (n=58, 13.488%) and China (n=56, 13.023%). The USA had 91 manuscripts and 2162 citations with an H-index:29 and Japan had 58 manuscripts and 1145 citations with an H-index:22. Conclusion: The literature on VFG is quite limited. Most of the publications are from developed countries. Studies should be supported for this method that can be used in the treatment of many diseases, especially in developing countries.

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Bayusentono, Sulis, e Trixie Brevi Putri. "CONGENITAL PSEUDOARTHROSIS TIBIA IN CHILD WITH NEUROFIBROMATOSIS TYPE 1 TREATED WITH THE COMBINED VASCULARIZED FIBULAR GRAFT AND ELASTIC STABLE INTRAMEDULLARY NAIL (ESIN)". (JOINTS) Journal Orthopaedi and Traumatology Surabaya 9, n. 1 (30 aprile 2020): 22. http://dx.doi.org/10.20473/joints.v9i1.2020.22-28.

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Background: CPT is a disorder characterized by a nonunion tibial fracture that occurs spontaneously or after trivial trauma. Therapy usually includes surgical management and aims to gain lifetime bony union, avoid leg length discrepancy, and to prevent mechanical axis deviation, surrounding soft tissue lesion, joint stiffness, and pathological fracture. CPT remains to be a challenging orthopedic issue due to the difficulty to gain and to maintain the union and a functional limb. The combined VFG and ESIN is one of our preferred method in Surabaya.Case: A 13-year-old boy complained about crooked right lower leg since 1-year old, and fractured at 11 years old. In January 2014, the patient underwent ORIF ESIN combined with free VFG. The patient got bony union 24 months after the ORIF ESIN and VFG surgery. RUST modified scoring system showed a score out of 3, which signified that there was a radiographically significant union at the site of tibial pseudoarthrosis.Discussion: The combined VFG and ESIN is to maintain bony union and stability. Intramedullary fixation offers a good tibial alignment and prevents refracture. Hypertrophy and the vitality of VFG support the bony union. The level of success rate in both primary and secondary union is a benefit shown after VFG therapy.Conclusion: The combination of VFG after complete resection of tibial pseudoarthrosis and ESIN in this case report showed a success in achieving and maintaining the bony union, thus this therapy became one of the preferences as a suitable standard therapy that we use in our hospital institution.

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Zheng, Xiaohang, Yaqian Yang, Yi Xian, Heng Chen e Wei Cai. "In Situ Grown Vertically Oriented Graphene Coating on Copper by Plasma-Enhanced CVD to Form Superhydrophobic Surface and Effectively Protect Corrosion". Nanomaterials 12, n. 18 (15 settembre 2022): 3202. http://dx.doi.org/10.3390/nano12183202.

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Graphene exhibits great potential for the corrosion protection of metals, because of its low permeability and high chemical stability. To enhance the anticorrosion ability of Cu, we use plasma-enhanced chemical vapor deposition (PECVD) to prepare a vertically oriented few-layer graphene (VFG) coating on the surface of Cu. The Cu coated with VFG shows superhydrophobic surface with a contact angle of ~150°. The VFG coating is used to significantly increase the anticorrosion ability, enhanced by the chemical stability and the unique geometric structure of vertically oriented graphene. The corrosion rate of VFG-Cu was about two orders of magnitude lower than that of bare Cu. This work highlights the special synthesized way of PECVD and superhydrophobic surface of vertical structures of graphene as coatings for various applications.

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Staley, Stuart-Allison Moffat, Katherine Tucker, Jorge Oldan, Dominic T. Moore, Meredith Newton, Michelle Ertel, Lindsay West e Victoria Bae-Jump. "Visceral adiposity as a predictor of survival in patients with epithelial ovarian cancer receiving platinum and taxane-based chemotherapy." Journal of Clinical Oncology 37, n. 15_suppl (20 maggio 2019): e17031-e17031. http://dx.doi.org/10.1200/jco.2019.37.15_suppl.e17031.

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e17031 Background: Obesity has been linked to worse outcomes in epithelial ovarian cancer (EOC), due to underlying metabolic dysfunction. Visceral fat (i.e. central obesity) compared to subcutaneous fat is more metabolically active and has been linked to higher rates of obesity-related comorbidities such as hypertension and diabetes, but less is known of the impact of increased visceral adiposity on EOC outcomes. Thus, our goal was to evaluate if visceral adiposity, as determined by computed tomography (CT) morphometric measurements, was associated with worse outcomes in EOC patients undergoing platinum and taxane-based chemotherapy. Methods: EOC patients diagnosed between 12/2004 and 5/2016 who received neoadjuvant or adjuvant treatment with platinum and taxane-based chemotherapy were included. Data on age, stage, grade, histology, BMI, comorbidities, treatment approaches and outcomes were collected. CT images closest to the time of diagnosis were retrospectively evaluated for mid-waist visceral fat volume (VFV), mid-waist subcutaneous fat volume (SFV) and the ratio of mid-waist VFV/SFV. Visceral adiposity is commonly defined as a VFV/SFV ≥ 0.4. Cox regression models were used to analyze time-to-event outcomes. Results: Two hundred fifty-eight EOC patients were evaluated. Seventy-five percent of patients were diagnosed with Stage III or IV disease, with high grade serous as the most common histology (72%). Median age at diagnosis was 62.4 years. Approximately 65% were obese; the median BMI was 26.8 (IQR 23.1 – 32.6). The median VFV/SFV ratio was 0.46 (IQR 0.32 – 0.70). Patients were categorized into those with a VFV/SFV ratio greater than 0.4 or a ratio less than 0.4. When comparing these two groups, there was no difference in progression free survival (PFS) for women with a VFV/SFV ratio greater or less than 0.4 (p = 0.22). However, a VFV/SFV ratio of greater than 0.4 was associated with worse overall survival (OS) (p = 0.01). Conclusions: We found that visceral adiposity, defined as a VFV/SFV ratio greater than 0.4, appeared to be associated with decreased OS, but not PFS. These findings suggest that body fat distribution may be an important prognostic factor for EOC and should be further explored as we expect the obesity epidemic to continue and influence EOC oncologic outcomes.

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Scanferla, Roberto, Federico Scolari, Francesco Muratori, Angela Tamburini, Luca Delcroix, Guido Scoccianti, Giovanni Beltrami, Marco Innocenti e Domenico Andrea Campanacci. "Joint-Sparing Resection around the Knee for Osteosarcoma: Long-Term Outcomes of Biologic Reconstruction with Vascularized Fibula Graft Combined with Massive Allograft". Cancers 16, n. 9 (26 aprile 2024): 1672. http://dx.doi.org/10.3390/cancers16091672.

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(1) Background: We aim to address the following questions. What was the complication rate of vascularized fibula graft (VFG) combined with massive allograft in patients treated with joint-sparing resection around the knee for a high-grade osteosarcoma? What was the long-term survivorship of VFG free from revision and graft removal? What were the functional results as assessed by the Musculoskeletal Tumor Society (MSTS) score? (2) Methods: 39 patients treated in our unit for osteosarcoma around the knee with intercalary resection and reconstruction with VFG combined with massive allograft were included; 26 patients underwent intercalary tibial resection, while 13 underwent intercalary femoral resection. (3) Results: Mean Follow-Up was 205 months (28 to 424). Complications that required surgery were assessed in requiring surgical revision in 19 patients (49%) after a mean of 31 months (0 to 107), while VFG removal was necessary in three patients (8%). The revision-free survival of the reconstructions was 59% at 5 years and 50% at 10 to 30 years. The overall survival of the reconstructions was 95% at 5 to 15 years and 89% at 20 to 30 years. The mean MSTS score was 29.3 (23 to 30). (4) Conclusions: VFG represents an effective reconstructive option after joint-sparing intercalary resection around the knee for osteosarcoma.

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Lacis, Gunars, Irita Kota, Laila Ikase e Dainis Rungis. "Molecular characterization of the Latvian apple (Malus) genetic resource collection based on SSR markers and scab resistance gene Vf analysis". Plant Genetic Resources 9, n. 2 (16 marzo 2011): 189–92. http://dx.doi.org/10.1017/s1479262111000384.

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Apple cultivars are an integral part of the Latvian State Program for Preservation and Sustainable Use of Genetic Resources for Food and Agriculture. Latvian apple (n = 109) cultivars of local origin, nominated as National Plant Genetic Resources, were analyzed with eight simple sequence repeat (SSR) markers recommended by the European Cooperative Programme for Plant Genetic Resources (ECPGR) Malus/Pyrus working group and a marker for scab resistance gene (Vf). All SSR loci exhibited a high level of polymorphism – 12 to 39 alleles, 18.75 in average, with high observed heterozygosity (Ho) ranging from 0.64 to 0.89 and a mean of 0.78. The gene diversity (polymorphism information content value) varied from 0.79 to 0.90, with an average of 0.86. All cultivars could be distinguished with the tested set of SSR loci, with a high frequency of rare (38%) or unique (26%) alleles. For the Vf gene, all three possible genotypes (VfVf, Vfvf and vfvf) were detected for 1, 6 and 102 varieties, respectively. The analyzed germplasm showed high genetic diversity, particularly landraces, while the modern cultivars clustered mainly into two groups. Cluster analysis did not reveal a clear pattern with well-defined groups, but confirmed some relationships based on known or putative pedigrees, as well as suggesting the possible parentage of some cultivars.

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Léger, Psylvia, e Pierre-Yves Lozach. "Le virus de la fièvre de la vallée du Rift et son étonnante protéine NSs". médecine/sciences 37, n. 6-7 (giugno 2021): 601–8. http://dx.doi.org/10.1051/medsci/2021090.

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Le virus de la fièvre de la vallée du Rift (VFVR) est un agent pathogène transmis à l’homme et au bétail par la piqûre de moustiques. Ce virus, découvert au Kenya en 1930, est considéré par l’Organisation mondiale de la santé comme présentant un risque important de provoquer de vastes épidémies. Les moyens dédiés à la lutte contre le VFVR restent toutefois particulièrement limités et le virus est mal connu. Dans cette Synthèse, nous nous attacherons à présenter ce virus avant de nous intéresser plus spécifiquement à son facteur de virulence, la protéine NSs. Nous discuterons la capacité de cette protéine virale à former des fibrilles de type amyloïde et son implication dans la neurotoxicité du virus chez les animaux infectés.

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Amri, Amun, Silvia Reni Yenti, Desi Heltina, Syamsu Herman, Azridjal Aziz, Evi Nadhifah e Hendro Ekwarso. "Difusi Produk Intermediate Baru Very Few Layers Graphene (VFLG) dan Produk Turunannya oleh Inkubator Bisnis Graphene Guard". Journal of Community Engagement Research for Sustainability 2, n. 5 (30 settembre 2022): 217–26. http://dx.doi.org/10.31258/cers.2.5.217-226.

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Upaya difusi produk intermediate (produk antara) baru very few layers graphene (VFLG) dan produk turunannya (pengkilap mobil/motor) telah dilakukan oleh inkubator bisnis Graphene Guard. Langkah dan strategi dimulai dengan diskusi dalam suatu forum grup discussion (FGD) mengundang para pakar dalam rangka mencari masukan pola produksi dan pemasaran terbaik. Dalam hal ini dipilih metode Canvas sebagai strategi pemasaran. Sebagai tindak lanjut hasil FGD, selanjutnya dilakukan beberapa kegiatan. Pembenahan sistem dan kapasitas produksi dilakukan dengan penambahan alat produksi, inovasi sistem produksi dan pembuatan sistem otomatisasi produksi. Langkah selanjutnya dilakukan kegiatan desain merek dan logo serta label produk. Perancangan dan pembuatan sistem penjualan online dan offline dilakukan untuk menindak-lanjuti peningkatan kapasitas produksi. Untuk meningkatkan efektivitas pemasaran maka dilakukan kegiatan promosi berupa pemasangan iklan, pembuatan brosur, video produksi dan mengikuti pameran-pameran. Hasil yang diperoleh menunjukkan bahwa pemasaran produk intemediate baru very few layer graphene (VFLG) dan produk turunannya berupa bahan pengkilap mobil masih mengalami kendala difusi terbukti dengan kapasitas penjualan yang masih rendah. Hal ini disadari karena produk ini merupakan produk baru dan belum dikenal masyarakat. Khusus untuk produk VFLG kendala tambahannya adalah bahwa produk ini adalah produk intermediate yang merupakan produk antara, sehingga hanya kalangan tertentu saja yang membutuhkannya. Diperlukan langkah evaluasi untuk perbaikan yang terus menerus dalam rangka terus memperkuat difusi produk ini ditengah masyarakat

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Miyamoto, Yuji, Yasuo Sakamoto, Masayuki Watanabe e Hideo Baba. "Visceral fat as a predictive marker of response to bevacizumab-based treatment in metastatic colorectal cancer." Journal of Clinical Oncology 31, n. 15_suppl (20 maggio 2013): e14665-e14665. http://dx.doi.org/10.1200/jco.2013.31.15_suppl.e14665.

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e14665 Background: A large amount of visceral adipose tissue might be correlated with high VEGF levels and with resistance to bevacizumab-based regimens in metastasic colorectal cancer (mCRC). The aim is to evaluate that abdominal obesity can be a predictive marker of response to bevacizumab-based therapy in mCRC. Methods: From January 2005 to December 2010, we performed a retrospective analysis of 74 consecutive patients with mCRC received bevacizumab-based first line treatment. Pretreatment CT was used to measure visceral fat volume (VFV), subcutaneous fat volume (SFV) an waist circumference (WC) in 74 patients with mCRC who received bevacizumab-based first-line treatment (bevacizumab group, n=37) or chemotherapy alone (chemotherapy group, n=37). Associations linkingVFV, SFV and WC to tumor response, progression free survival (PFS) and overall survival (OS) were evaluated. For all analyses, VFV, SFV and WC were dichotomized using the median as the cut-off point. Results: In the bevacizumab group, median follow-up lasted for 25 months (7-47). VFV, SFV and WC values were not associated with response or OS. PFS was shorter in patients with high VFV (12.8 vs 7.7 months; p=0.04). By multivariate analysis, high VFA was independently associated with PFS (HR=4.32, p=0.045). In the chemotherapy group, median follow-up lasted for 26 months (2-68). VFV, SFV and WC were not associated with response, PFS or OS. Conclusions: Visceral fat volume plays a role of predictive marker of PFS to bevacizumab-based therapy for Japanese patients with mCRC.

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Demer, Joseph L., e Robert A. Clark. "Magnetic resonance imaging demonstrates compartmental muscle mechanisms of human vertical fusional vergence". Journal of Neurophysiology 113, n. 7 (aprile 2015): 2150–63. http://dx.doi.org/10.1152/jn.00871.2014.

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Vertical fusional vergence (VFV) normally compensates for slight vertical heterophorias. We employed magnetic resonance imaging to clarify extraocular muscle contributions to VFV induced by monocular two-prism diopter (1.15°) base-up prism in 14 normal adults. Fusion during prism viewing requires monocular infraduction. Scans were repeated without prism, and with prism shifted contralaterally. Contractility indicated by morphometric indexes was separately analyzed in medial and lateral vertical rectus and superior oblique (SO) putative compartments, and superior and inferior horizontal rectus extraocular muscle putative compartments, but in the whole inferior oblique (IO). Images confirmed appropriate VFV that was implemented by the inferior rectus (IR) medial compartment contracting ipsilateral and relaxing contralateral to prism. There was no significant contractility in the IR lateral compartment. The superior but not inferior lateral rectus (LR) compartment contracted significantly in the prism viewing eye, but not contralateral to prism. The IO contracted ipsilateral but not contralateral to the prism. In the infraducting eye, the SO medial compartment relaxed significantly, while the lateral compartment was unchanged; contralateral to prism, the SO lateral compartment contracted, while the medial compartment was unchanged. There was no contractility in the superior or medial rectus muscles in either eye. There was no globe retraction. We conclude that the vertical component of VFV is primarily implemented by IR medial compartment contraction. Since appropriate vertical rotation is not directly implemented, or is opposed, by associated differential LR and SO compartmental activity, and IO contraction, these actions probably implement a torsional component of VFV.

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Wang, Ji, Jing Wang, Kai Zhang, Yanfang Wang e Xuanwen Bao. "Bayesian Network Meta-Analysis of the Effectiveness of Various Interventions for Nontraumatic Osteonecrosis of the Femoral Head". BioMed Research International 2018 (6 agosto 2018): 1–11. http://dx.doi.org/10.1155/2018/2790163.

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Objective. To assess the effectiveness of various therapeutic hip preservation strategies on patients with nontraumatic osteonecrosis of the femoral head (ONFH). Design. This is a systematic review of previous literature and in-depth Bayesian network meta-analysis of randomized controlled trials (RCTs) to compare the clinical effect of various operation methods and one physical intervention (extracorporeal shockwave). Data Sources. Electronic literature, for studies published up to December 2017, was collected from PubMed, Medline, and the Cochrane Library. Study Selection. We selected RCTs on patients with ONFH. Treatment methods included extracorporeal shockwave (ESW), core decompression (CD), multiple drilling decompression (DD), vascularized fibular grafting (VFG), free-vascularized fibular grafting (FVFG), inverted femoral head grafting (IFHG), vascular iliac pedicle bone grafting (VIPBG), osteotomy, and tantalum implantation (TI). Outcome. The primary outcome was Harris score; the secondary outcome was Harris hip score (HHS), including total hip arthroplasty requirement (THA) and progression to collapse. Results. A total of 14 randomized controlled trials were investigated. ESW had the highest improvement on Harris score (probability best 52%), followed by VFG (probability was 38%). In the meanwhile, VFG also proved to be superior in reducing the failure rates of treatment (probability lowest 59%), followed by ESW (probability lowest 24%). In femoral necrosis stage-II, VFG achieved the highest probability in preventing treatment failures (52%) and showed better performance in reducing treatment failure rates than CD. Conclusion. ESW therapy (ESWT) is the most effective intervention to improve HHS, and VFG shows superior effect on reducing treatment failure rates.

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Lee, Jae Hoon, Chung Soo Han e Jong Hun Baek. "Onlay vascularized fibular grafting as a salvage procedure for the management of nonunion after reconstruction of the femur following tumor resection". Journal of Orthopaedic Surgery 26, n. 3 (1 settembre 2018): 230949901880249. http://dx.doi.org/10.1177/2309499018802490.

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Purpose: The femur is prone to nonunion after biologic reconstruction following tumor resection, due to high bending forces. Nonunion at the host–graft junction is difficult to treat since the graft is in an avascular state. We aimed to investigate the clinical and radiographic results of an onlay free vascularized fibular grafting (VFG) as a salvage procedure for nonunion management after biologic reconstruction of the femur following bone tumor resection. Methods: We retrospectively reviewed 10 patients (8 men and 2 women, median age: 15.5 years, range: 10–47) who underwent an onlay VFG for nonunion after intercalary reconstruction of the femur using an allograft ( n = 7) or pasteurized autograft ( n = 3), following tumor resection. The median follow-up period after VFG was 85.7 (24.6–163.5) months. Results: The median time to union between the host bone and the VFG osteotomy sites was 3.5 (2.8–4.5) months. The median time to union at the host–graft junctions was 10.6 (6.6–12.7) months. Two postoperative complications requiring revision surgery occurred in two patients: one graft fracture and one deep infection with synchronous graft fracture. Internal fixation was required in the patient with graft fracture. The patient with the infection and synchronous graft fracture was treated using debridement, antibiotics, and an external fixator. The median Musculoskeletal Tumor Society functional score was 88% (60–97%) at the final follow-up. Conclusion: Onlay VFG as a salvage procedure for nonunion of a biologic intercalary reconstruction of the femur after tumor resection is a useful treatment option.

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Hellmers, Claudia. "Midwifery education as a bachelor course at the university of applied sciences in Germany: a success with challenges / Hebammenausbildung als Studium: ein Erfolg mit Herausforderungen". International Journal of Health Professions 8, n. 1 (1 gennaio 2021): 139–40. http://dx.doi.org/10.2478/ijhp-2021-0017.

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Abstract Dieser Beitrag ist ein Kommentar zur Hebammenausbildung in Deutschland aus der Perspektive einer Studiengangleitung. Er war ein Beitrag fürs VFWG-Symposium «Sind duale Studiengänge der Hebammen ein Modell für die Therapieberufe?» vom 18. März 2021.

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Groß, Mechthild M. "Midwifery students don’t sell shoes! A comment on midwifery education in Germany. / Hebammenstudierende verkaufen keine Schuhe! Ein Kommentar zur Hebammenausbildung in Deutschland." International Journal of Health Professions 8, n. 1 (1 gennaio 2021): 137–38. http://dx.doi.org/10.2478/ijhp-2021-0016.

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Abstract Dieser Beitrag ist ein Kommentar zur Hebammenausbildung in Deutschland aus der Perspektive einer Studiengangleitung. Er war ein Beitrag fürs VFWG-Symposium «Sind duale Studiengänge der Hebammen ein Modell für die Therapieberufe?» vom 18. März 2021.

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Prasanthi, S., e M. Vidyavathi. "FORMULATION AND OPTIMIZATION OF BUOYANT IN SITU GELLING SYSTEM OF VALSARTAN USING NATURAL POLYMER". International Journal of Pharmacy and Pharmaceutical Sciences 9, n. 10 (2 ottobre 2017): 128. http://dx.doi.org/10.22159/ijpps.2017v9i10.20809.

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Objective: Currently natural polymers have wide spread importance in fabrication of controlled drug delivery systems. Hence in this study ocimum basilicum mucilage, (OBM) a natural polymer used to know its effect as polymer alone and in combination with HPMC K15M and Guargum in oral in situ floating gel of Valsartan using 3 full level factorial design.Methods: FTIR studies conducted to know major drug polymer interactions. OBM, HPMC K15M and Guargum were chosen as three independent variables and examined at 3 levels for in vitro buoyancy (Y1) and drug release at 10 h (Y2) as responses. By using mathematical model approach formulation variables were quantitatively evaluated, and optimized formulation (VFIG) subjected for in vitro buoyancy, density, pH, in vitro drug release, drug content, gelling capacity and drug release kinetics. In addition VFIG studied for In vivo buoyancy and release kinetics.Results: FTIR studies revealed that excipients were compatible with drug. ANOVA results shown that independent variables have significant effect (p<0.05) on both the responses. Observed responses of optimized formulation (3 % OBM, 0.88 % HPMC and 1.25 % Guar gum) were in good agreement with the experimental values. Results of all in vitro evaluations lies within the limits and drug release kinetics followed non-fickian diffusion mechanism. In vivo buoyancy study in rabbit evidenced floatation for>8 h and in vivo pharmacokinetic study exhibited increased bioavailability of optimized formulation.Conclusion: Prepared VFIG with optimized concentrations of OBM, HPMC K15M and Guargum exploiting as a promising dosage form for enhanced gastric delivery.

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Mildemberger, Lucelia, Daniela Neuffer, Haroldo A. Ponte e Klaus Ficher. "Avaliação de uma proposta de reciclagem de veículos em fim de vida no Paraná baseado no modelo alemão". Revista NEP - Núcleo de Estudos Paranaenses da UFPR 1, n. 1 (31 dicembre 2015): 237. http://dx.doi.org/10.5380/nep.v1i1.43272.

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O crescente volume de veículos em fim de vida (VFV) no mundo nas últimas décadas despertou a preocupação com a gestão ambientalmente correta desses resíduos. Desde a década de 90 na Comunidade Europeia (CE), EUA e Japão a preocupação com a recuperação dos materiais dos VFV começou a fazer parte da rotina. A Alemanha desempenhou desde o início um papel impulsionador para o mundo neste tema. No Brasil, no entanto, apesar do aumento de veículos que deixam de circular no país, o tema da reciclagem ainda não ocupou o devido destaque nas discussões entre governo, empresários e sociedade para estabelecer política e legislação específica. Sendo assim, o principal objetivo deste estudo foi buscar uma comparação entre a gestão de VFV no Paraná (PR) e em Baden-Württemberg (BW) na Alemanha referente ao período que antecede junho de 2012, data da defesa da dissertação. A partir do levantamento dos dados foram feitas análises comparativas para identificar oportunidades e limitações da proposta de reciclagem de veículos no PR.

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Qi, Lin. "New three phase VFVA sine wave generator and PWM harmonics analysis". Journal of Electronics (China) 11, n. 1 (gennaio 1994): 79–87. http://dx.doi.org/10.1007/bf02778355.

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Uren, Nicholas C., Mohammad H. Amer e Douglas G. Dunlop. "Fibular Grafting: A Worthwhile skill to Master for Difficult neck of Femur Fractures – A Case Series". Journal of Orthopaedic Case Reports 14, n. 1 (2024): 92–97. http://dx.doi.org/10.13107/jocr.2024.v14.i01.4154.

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Background: Neck of femur fractures (NOF) in younger adults are often treated by head-preserving fixation procedures. Non-union is an infrequent but troublesome complication following internal fixation, especially in atypical presentations. Vascularized (VFG) and non-VFG (NVFG) fibular grafting and realignment procedures have been described as an adjunct to internal fixation. Reports are rare regarding the versatility of fibular grafts, their use, and their outcomes in the United Kingdom. Case Report: We present three complex NOF cases performed in the United Kingdom. One case is a 29-year-old Asian female treated with NVFG for a pathological transverse NOF fracture secondary to fibrous dysplasia. One case is a non-union following failed surgical management and revised using NVFG and dynamic hip screws. The last case is a VFG in a complex non-union intra-capsular fracture following conservative management in a 17-year-old male. Certain patient characteristics are described which make joint preserving surgery more attractive. All fractures united with no revisions at the time of final follow-up. Distinctions between the use of VFG and NVFG grafts are discussed. Conclusion: This case series demonstrates the important versatility of fibular grafting and how its properties are used in different cases. Fibular grafting is an effective technique in pathological, non-union, and late-presenting NOF. Both types of grafts introduce additional biology for difficult cases where neck resorption and adequate fixation are an issue, with NVFG grafts much easier to perform. Keywords: Neck of femur fractures, non-union, bone graft, vascularized fibular grafts, non-vascularized fibular grafts.

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Qi, Jun Lei, Xu Wang, Jing Huang Lin, Fu Zhang, Ji Cai Feng e Wei-Dong Fei. "A high-performance supercapacitor of vertically-oriented few-layered graphene with high-density defects". Nanoscale 7, n. 8 (2015): 3675–82. http://dx.doi.org/10.1039/c4nr07284g.

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Qi, Jun Lei, Xu Wang, Jing Huang Lin, Fu Zhang, Ji Cai Feng e Wei-Dong Fei. "Vertically oriented few-layer graphene-nanocup hybrid structured electrodes for high-performance supercapacitors". Journal of Materials Chemistry A 3, n. 23 (2015): 12396–403. http://dx.doi.org/10.1039/c5ta01330e.

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Frank, Stefan Leo. "Massenverfahren beim VfGH: Zur Sperrwirkung von Beschlüssen iSd § 86a Abs 1 VfGG". Zeitschrift der Verwaltungsgerichtsbarkeit 4, n. 3 (2017): 209–11. http://dx.doi.org/10.33196/zvg201703020901.

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Lal, Punita, Vipul Nautiyal, Tamojit Chaudhuri, Mranalini Verma, Koilpillai Joseph Maria Das e Shaleen Kumar. "Is aspiration as detected on pretreatment video fluorography, a harbinger of poor quality of life and early mortality in cancers of the upper aerodigestive tract treated with radiotherapy?" South Asian Journal of Cancer 03, n. 04 (ottobre 2014): 209–12. http://dx.doi.org/10.4103/2278-330x.142968.

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Abstract Background: Patients with cancers of the upper aerodigestive tract (head and neck cancer (HNC)) tend to aspirate, either due to disease or treatment. The association of aspiration (documented on video fluorography (VFG)) with quality of life (QOL) and unexpected mortality was studied prospectively in patients treated with simultaneous integrated boost technique of intensity-modulated radiotherapy (SIB-IMRT). Materials and Methods: Moderately advanced (stage III/IV) HNC were treated by SIB-IMRT delivering 66 Gy/30 fr, 60 Gy/30 fr, and 54 Gy/30 fr to high, intermediate, and low risk volumes, respectively. They underwent serial VFG and QOL assessments (Quality of Life Questionnaire-Core 30 ( QLQ-C30) and head and neck-35 (HN35) European Organisation for Research and Treatment of Cancer (EORTC) tools) at 0, 3, and 6 months. Pharyngeal musculature (PM) was additionally delineated on planning computed tomography (CT) scans as potential organs at risk (OARs). Results: Between November 2009 and May 2011, 20 HNC were treated as per protocol. All patients were fit (Karnofsky performance status (KPS) ≥ 80). Based on VFG findings, seven patients (4/9 oropharynx and 3/11 laryngopharynx) were grouped as aspirators (A) and remaining 13 as non-aspirators (NA). The QOL study showed that pretreatment coughing and swallowing difficulties were greater in group A versus NA and remained persistently higher. In group A, deaths attributable to aspiration were seen in 3/7 patients, while none occurred in the NA group (Fisher′s exact P = 0.03). The mean PM dose was 60 Gy in both the groups and mean V60 was similar at 69 and 67% in A and NA groups, respectively. Conclusions: VFG helps identify patients who aspirate and are at risk of premature death due to its complications, alerting caregivers to direct attention appropriately.

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Figueiredo Azeredo, Claudia, Patrícia de Castro de Paiva, Leandro Azeredo, Aline Reis da Silva, Arlete Francisca-Santos, Laisa Liane Paineiras-Domingos, Adriana Lírio Pereira da Silva et al. "Effects of Whole-Body Vibration Exercises on Parameters Related to the Sleep Quality in Metabolic Syndrome Individuals: A Clinical Trial Study". Applied Sciences 9, n. 23 (29 novembre 2019): 5183. http://dx.doi.org/10.3390/app9235183.

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Metabolic syndrome (MetS) is an undesirable clinical condition with physiological, biochemical, clinical, and metabolic factors that contribute to increased cardiovascular risks (CR). A poor sleep quality might be found in obese and MetS individuals. Whole-body vibration (WBV) exercise has been used on the management of MetS individuals. This clinical trial investigated the effect of WBV exercise on parameters related to the sleep quality in MetS individuals. After randomization, nine individuals (seven women and two men) were exposed to a fixed frequency (FF) and ten individuals (eight women and two men) were exposed to a variable frequency (VF). Both groups performed the protocol twice a week, for 6 weeks. All of the evaluations were performed before the first and after the last sessions. Anthropometric and cardiovascular parameters were measured before and after the 6-week intervention. Pittsburgh Sleep Quality Index (PSQI), Epworth Sleepiness Scale (ESS), and Berlin Questionnaire were also used to evaluate the quality of the sleep. A significant (p ≤ 0.05) reduction of the waist circumference in the VFG and an increase of the heart rate were found in the FFG and VFG group. The score of the PSQI of the both groups decreased significantly (p = 0.01). The score of the ESS decreased (p = 0.04) only in the VF group. The scores of the Berlin Questionnaire were not altered in both groups. In conclusion, WBV intervention was capable in interfering with physiological mechanisms with effects on the WC and HR, leading to the improvement of the quality of sleep in MetS individuals. WBV exercise might be an important clinical intervention to the management of some factors associated with poor quality of sleep (FFG and VFG) and in the daytime sleepiness in MetS individuals with variable frequencies (5–16 Hz) (VFG).

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Ayallo, Irene, e Tyler Kelly. "Challenges to the proof of violence, and social stigma for ethnic migrant women in the current Victims of Family Violence (VFV) visa policy in Aotearoa New Zealand". Aotearoa New Zealand Social Work 35, n. 3 (9 ottobre 2023): 101–14. http://dx.doi.org/10.11157/anzswj-vol35iss3id1049.

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Introduction: Ethnic victim-survivors[1] from Middle Eastern, African, and Latin American (MELAA) communities are unlikely to apply for the VFV visas (Ayallo, 2019), which does not reflect the number of family violence experiences in these communities. Instead, this paper argues that it is a testament to specific cultural factors determining their engagement with this policy. While some of these have previously been reported, their cultural aspects are not adequately understood. Approach: Data were drawn from a study exploring the cultural contexts within which ethnic migrant women engage with the VFV visa policy. The study used narrative inquiry and semi-structured interviews to explore 20 participants’ experiences with the VFV visa policy process. Participants included ten victim-survivors and ten supporting non-medical practitioners. Findings: Analyses showed that victim-survivors face significant barriers in accessing this visa. Proving that violence occurred, hardship and inability to return to their country of origin due to social stigma are complex and challenging for ethnic migrant women. The cultural reasons discussed in this paper include that psychological abuse is dominant, violence occurs transnationally, and hardship and social stigma are understood collectively and socially. Implications: Given the potential of this visa policy initiative to provide safety for victim-survivor, recommendations for change are proposed. A humanitarian and compassionate approach that arises from the experiences of the 20 participants and a critical examination of countries with comparable policy frameworks is proposed. Further research is recommended with relevant stakeholders to explore the practicality of implementing such a humanitarian application process in the Aotearoa context. [1] The term is used here to refer to individuals who have experienced family violence and successfully or unsuccessfully engaged with the VFV visa policy. In this paper, the term is used interchangeably with woman/women as appropriate (reflecting that in this study, all victim-survivors were women).

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Singh, Ruma G., Aya Cervantes, Jin Uk Kim, Ngoc Nhu Nguyen, Steve V. DeSouza, Dech Dokpuang, Jun Lu e Maxim S. Petrov. "Intrapancreatic fat deposition and visceral fat volume are associated with the presence of diabetes after acute pancreatitis". American Journal of Physiology-Gastrointestinal and Liver Physiology 316, n. 6 (1 giugno 2019): G806—G815. http://dx.doi.org/10.1152/ajpgi.00385.2018.

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Ectopic fat and abdominal adiposity phenotypes have never been studied holistically in individuals after acute pancreatitis (AP). The aim of the study was to investigate phenotypical differences in ectopic fat and abdominal fat between individuals after AP (with and without diabetes) and to determine the role of pancreatitis-related factors. Eighty-four individuals were studied cross-sectionally after a median of 21.5 mo since last episode of AP and were categorized into “diabetes” and “no diabetes” groups. Twenty-eight healthy volunteers were also recruited. With the use of magnetic resonance imaging, intrapancreatic fat percentage, liver fat percentage, visceral fat volume (VFV), subcutaneous fat volume, and visceral-to-subcutaneous (V/S) fat volume ratio were quantified. Analysis of variance was used to investigate the differences in these phenotypes between the groups. All analyses were adjusted for age and sex. Linear regression analysis was used to investigate the association between pancreatitis-related factors and the studied phenotypes. Intrapancreatic fat percentage was significantly higher in the diabetes group (10.2 ± 1.2%) compared with the no diabetes (9.2 ± 1.7%) and healthy volunteers (7.9 ± 1.9%) groups ( P < 0.001). VFV was significantly higher in the diabetes (2,715.3 ±1,077.6 cm3) compared with no diabetes (1,983.2 ± 1,092.4 cm3) and healthy volunteer (1,126.2 ± 740.4 cm3) groups ( P < 0.001). V/S fat volume ratio was significantly higher in the diabetes (0.97 ± 0.27) compared with no diabetes (0.68 ± 0.42) and healthy volunteer (0.52 ± 0.34) groups ( P = 0.001). Biliary AP was associated with significantly higher intrapancreatic fat percentage (β = 0.67; 95% CI, 0.01, 1.33; P = 0.047). C-reactive protein levels during hospitalization for AP were associated with significantly higher VFV (β = 3.32; 95% CI, 1.68, 4.96; P < 0.001). In conclusion, individuals with diabetes after AP have higher intrapancreatic fat percentage, VFV, and V/S fat volume ratio. Levels of C-reactive protein during AP are significantly associated with VFV, whereas biliary AP is significantly associated with intrapancreatic fat percentage. NEW & NOTEWORTHY Individuals with diabetes after acute pancreatitis have significantly higher intrapancreatic fat percentage and visceral fat volume compared with individuals without diabetes after acute pancreatitis and healthy controls. C-reactive protein levels during hospitalization for acute pancreatitis and biliary etiology of acute pancreatitis are associated with significantly larger visceral fat and pancreatic fat depots, respectively.

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Campanacci, D. A., F. Totti, S. Puccini, G. Beltrami, G. Scoccianti, L. Delcroix, M. Innocenti e R. Capanna. "Intercalary reconstruction of femur after tumour resection: is a vascularized fibular autograft plus allograft a long-lasting solution?" Bone & Joint Journal 100-B, n. 3 (marzo 2018): 378–86. http://dx.doi.org/10.1302/0301-620x.100b3.bjj-2017-0283.r2.

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Aims After intercalary resection of a bone tumour from the femur, reconstruction with a vascularized fibular graft (VFG) and massive allograft is considered a reliable method of treatment. However, little is known about the long-term outcome of this procedure. The aims of this study were to determine whether the morbidity of this procedure was comparable to that of other reconstructive techniques, if it was possible to achieve a satisfactory functional result, and whether biological reconstruction with a VFG and massive allograft could achieve a durable, long-lasting reconstruction. Patients and Methods A total of 23 patients with a mean age of 16 years (five to 40) who had undergone resection of an intercalary bone tumour of the femur and reconstruction with a VFG and allograft were reviewed clinically and radiologically. The mean follow-up was 141 months (24 to 313). The mean length of the fibular graft was 18 cm (12 to 29). Full weight-bearing without a brace was allowed after a mean of 13 months (seven to 26). Results At final follow-up, the mean Musculoskeletal Tumor Society Score of 22 evaluable patients was 94% (73 to 100). Eight major complications, five fractures (21.7%), and three nonunions (13%) were seen in seven patients (30.4%). Revision-free survival was 72.3% at five, ten, and 15 years, with fracture and nonunion needing surgery as failure endpoints. Overall survival, with removal of allograft or amputation as failure endpoints, was 94.4% at five, ten, and 15 years. Discussion There were no complications needing surgical revision after five years had elapsed from surgery, suggesting that the mechanical strength of the implant improves with time, thereby decreasing the risk of complications. In young patients with an intercalary bone tumour of the femur, combining a VFG and massive allograft may result in a reconstruction that lasts a lifetime. Cite this article: Bone Joint J 2018;100-B:378–86.

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Lin, Jinghuang, Henan Jia, Yifei Cai, Shulin Chen, Haoyan Liang, Xu Wang, Fu Zhang et al. "Modifying the electrochemical performance of vertically-oriented few-layered graphene through rotary plasma processing". Journal of Materials Chemistry A 6, n. 3 (2018): 908–17. http://dx.doi.org/10.1039/c7ta06490j.

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We strategically created defects on the side surfaces of VFG via defect engineering using rotary plasma etching, which not only improves the wettability with electrolyte, but also provides more electroactive sites.

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Shah, Syed Sarmad, Muhammad Ali, Asad Waqar Malik, Muazzam A. Khan e Sri Devi Ravana. "vFog: A Vehicle-Assisted Computing Framework for Delay-Sensitive Applications in Smart Cities". IEEE Access 7 (2019): 34900–34909. http://dx.doi.org/10.1109/access.2019.2903302.

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Micieli, Jonathan A., Beau B. Bruce, Caroline Vasseneix, Richard J. Blanch, Damian E. Berezovsky, Nancy J. Newman, Valérie Biousse e Jason H. Peragallo. "Influence of Optic Nerve Appearance on Visual Outcome in Pediatric Idiopathic Intracranial Hypertension". Canadian Journal of Neurological Sciences / Journal Canadien des Sciences Neurologiques 47, n. 5 (4 maggio 2020): 661–65. http://dx.doi.org/10.1017/cjn.2020.89.

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ABSTRACT:Objectives:To determine whether optic disc hemorrhages (ODH) and cotton wool spots (CWS) at presentation are associated with worse visual outcomes in pediatric patients with idiopathic intracranial hypertension (IIH).Methods:Retrospective institutional review of 100 eyes of 50 consecutive pediatric IIH patients (aged 16 years or less) who had baseline optic disc photographs before or within 30 days of their diagnostic lumbar puncture and initiation of medical treatment. Optic disc photographs were independently graded by three ophthalmologists in a standardized manner. Visual function was assessed using visual acuity (VA) and visual field grade (VFG).Results:At least one ODH was found in 41% of eyes, at least one CWS was found in 27% of eyes, and 20% of eyes had both ODH and CWS. At presentation, Frisén grade was associated with the presence of CWS (p = 0.013) and showed no association with ODH (p = 0.060). When controlling for Frisén grade, ODH and CWS were not associated with worse VA or VFG at final follow-up. Severe ODH were associated with worse VA and VFG at presentation (p < 0.03), but not at final follow-up. Severe CWS at presentation was strongly associated with a worse Humphrey mean deviation of 5.0 dB (95% confidence interval 1.6–8.3) at final follow-up (p = 0.002).Conclusion:When controlling for the severity of papilledema, ODH do not provide any additional prognostic value in pediatric IIH patients. Frisén grade and severe CWS at presentation were independently associated with worse visual outcomes at the final follow-up.

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Reis-Silva, Aline, Ana C. Coelho-Oliveira, Elzi Martins-Anjos, Márcia Cristina Moura-Fernandes, Alessandra Mulder, Vinicius Layter Xavier, Vanessa A. Mendonça et al. "Impact of Two Whole-Body Vibration Exercise Protocols on Body Composition of Patients with Metabolic Syndrome: A Randomized Controlled Trial". International Journal of Environmental Research and Public Health 20, n. 1 (27 dicembre 2022): 436. http://dx.doi.org/10.3390/ijerph20010436.

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(1) Background: This study investigated the effects of two 6-week whole-body vibration exercise (WBVE) protocols on body composition in patients with metabolic syndrome (MSy). Thirty-three patients were allocated to either the Fixed Frequency WBVE Group (FFG-WBVE) or the Variable Frequency WBVE Group (VFG-WBVE). (2) Methods: A side-alternating vibration platform was used and the patients remained in the semi-squat position on this platform. In the FFG-WBVE (n = 12; median age = 50.50 years) and (body mass index BMI = 31.95 kg/m2), patients were exposed to 10 s of mechanical vibration at a fixed frequency of 5 Hz, followed by 50 s without vibration. In the VFG-WBVE (n = 10; median age = 57.50 years) and (BMI = 32.50 kg/m2), the patients performed 60 s of mechanical vibration at different frequencies from 5 to 16 Hz). Body composition evaluated through (bioelectrical impedance analysis and anthropometric measurements) were was evaluated before and after the all the interventions in each group. (3) Results: The VFG-WBVE decreased waist circumference, p = 0.01 and segmental fat mass [left arm, p = 0.01; right arm, p = 0.02 and trunk, p = 0.03]. Bone content increased, p = 0.01. No significant changes were observed in the FFG- WBVE. (4) Conclusions: In conclusion, this study demonstrated that 6 weeks of WBVE with a protocol with variable frequency can positively modify the body composition of MSY patients. These findings might contribute to improvements in the metabolic health of these patients.

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Chou, Te-Feng Arthur, Ting-Yu Liu, Matthew N. Wang e Chen-Yuan Yang. "Treatment of Refractory Congenital Pseudoarthrosis of Tibia with Contralateral Vascularized Fibular Bone Graft and Anatomic Distal Tibial Locking Plate: A Case Series and Literature Review". Children 10, n. 3 (3 marzo 2023): 503. http://dx.doi.org/10.3390/children10030503.

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Background: Congenital pseudoarthrosis of the tibia (CPT) remains a challenge for physicians. Several treatment options have been proposed, but the standard of care remains inconclusive. In this study, we present three patients for whom the failure of prior treatments was managed with a contralateral vascularized fibular bone graft (VFG) and an anatomic distal tibial locking plate. Methods: Between 2017 and 2021, three patients were referred for failed treatment of CPT. All patients had undergone multiple prior surgeries, including tumor excision and fixation with ring external fixators, plates, and screws. We performed radical tumor resection and reconstruction of bone defects with a VFG. The construct was fixed with an anatomic locking plate, and the patients were followed up for a mean of 45.7 months. Results: All three patients were able to obtain graft union at 19.3 weeks. At the final follow-up, all grafts achieved bony hypertrophy without evidence of bone resorption or local tumor recurrence. There was a mean leg length difference of 8.5 cm preoperatively, compared with 6.3 cm postoperatively. The average lower leg angulation was 7.4 degrees and the average ankle range of motion was 58.3 degrees. The mean VAS score was 0 and the mean AOFAS score was 88.3. No significant complications were noted. Conclusions: Implantation of a VFG and an anatomic distal tibia locking plate can be considered an option for treatment-refractory CPT. Patients can expect to achieve bone consolidation, ambulate as tolerated, and have a low complication rate.

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Holla, M., Tzanimir Arguirov, G. Jia, Martin Kittler, C. Frank-Rotsch, F. M. Kiessling e P. Rudolph. "Defect Characterization of Poly-Ge and VFG-Grown Ge Material". Solid State Phenomena 156-158 (ottobre 2009): 483–86. http://dx.doi.org/10.4028/www.scientific.net/ssp.156-158.483.

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Germanium is an attractive model system for studying the crystallization mechanism and optimization of the growth processes in photovoltaics. In comparison to Si it has a lower melting point and that is why its usage is cost effective. The main aim of our work was to verify the similarities in the growth related defect formation between Ge and Si. We apply standard Si characterization methods to poly and VGF-grown n-type Ge. Room temperature and 80 K EBIC measurements were done to reveal the defect structure. Photoluminescence spectra were used to characterize the optical properties as for instance the Ge band-to-band or defect originated transitions. Additionally, photoluminescence and cathodoluminescence maps were preformed to reveal the defect distribution/activity, too, by using the direct Ge band-to-band transition.

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Qi, Jun Lei, Jing Huang Lin, Xu Wang, Jia Le Guo, Ling Feng Xue, Ji Cai Feng e Wei-Dong Fei. "Low resistance VFG-Microporous hybrid Al-based electrodes for supercapacitors". Nano Energy 26 (agosto 2016): 657–67. http://dx.doi.org/10.1016/j.nanoen.2016.05.036.

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Dainty, Katie N., M. Bianca Seaton, Sean Molloy, Stephanie Robinson e Shana Haberman. "“I don’t know how we would have coped without it.” Understanding the Importance of a Virtual Hospital Visiting Program During the COVID-19 Pandemic". Journal of Patient Experience 10 (gennaio 2023): 237437352311558. http://dx.doi.org/10.1177/23743735231155808.

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As the COVID-19 pandemic reached Canada in full strength, the concept of allowing visiting to patients became an impossibility in most healthcare organizations. In March 2020, hospitals across Canada made the decision to close to visitors. This was a complicated decision which left admitted patients with very little option for connecting with family and friends other than through the telephone. In response, North York General Hospital launched a virtual family visiting (VFV) program across all inpatient units. Here we report the findings of a qualitative study of the program informed by an interpretive descriptive approach. Interviews were conducted with families who participated in the VFV program at North York General Hospital in Toronto, Canada during the first wave of the COVID pandemic. A total of 24 family members were interviewed. As anticipated, the family members were all extremely pleased with the opportunity to connect virtually and very satisfied with the VFV program. What was less anticipated was the anxiety and distress that families experienced in being separated from their loved ones. Our data analysis revealed 4 key themes which we have labeled (a) the unforeseen consequences of separation trauma, (b) increased vulnerability of patients and family, (c) a lifeline of human connection, and (d) the role of the facilitator as a connector. This work contributes significantly to a system-level understanding of the impact of imposed separation, increased vulnerability, and the importance of providing an alternative way for families to be present with their loved ones in these unprecedented times.

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Bucher, Thomas. "The academization of the health professions in Switzerland: facts and figures / Akademisierung der Gesundheitsberufe in der Schweiz: Zahlen und Fakten". International Journal of Health Professions 8, n. 1 (1 gennaio 2021): 146–51. http://dx.doi.org/10.2478/ijhp-2021-0020.

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Abstract Dieser Beitrag stellt die Ausbildungssystematik in der Schweiz vor und ordnet die Gesundheitsberufe darin ein. Statistiken zu Studierenden der Gesundheitsberufe ab dem Jahr 2000 bis 2020 geben einen Einblick in die zahlenmässige Entwicklung. Das Fazit der Akademisierung fällt positiv aus, ein belastbarer empirischer Beleg dafür fehlt jedoch. Dieser Artikel basiert auf dem Vortrag mit dem gleichen Titel gehalten am VFWG-Symposium «Bachelor-Studiengänge in Österreich und der Schweiz: Modelle für die Therapie- und Pflegeberufe in Deutschland?» vom 8. September 2021.

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Altıntaş, Gökhan, e Muhiddin Bağcı. "Determination of the Steady State Response of EFEF/VFVF Supported Rectangular Specially Orthotropic Plates". Mathematical and Computational Applications 11, n. 1 (1 aprile 2006): 51–63. http://dx.doi.org/10.3390/mca11010051.

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Rahmani-Andebili, Mehdi. "Vehicle-for-grid (VfG): a mobile energy storage in smart grid". IET Generation, Transmission & Distribution 13, n. 8 (23 aprile 2019): 1358–68. http://dx.doi.org/10.1049/iet-gtd.2018.5175.

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Lu, Yajie, Haodong Zhu, Mengquan Huang, Chunlin Zhang, Guojing Chen, Chuanlei Ji, Zhen Wang e Jing Li. "Is frozen tumour-bearing autograft with concurrent vascularized fibula an alternative to the Capanna technique for the intercalary reconstruction after resection of osteosarcoma in the lower limb?" Bone & Joint Journal 102-B, n. 5 (maggio 2020): 646–52. http://dx.doi.org/10.1302/0301-620x.102b5.bjj-2019-1380.r1.

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Aims The use of frozen tumour-bearing autograft combined with a vascularized fibular graft (VFG) represents a new technique for biological reconstruction of massive bone defect. We have compared the clinical outcomes between this technique and Capanna reconstruction. Methods From June 2011 to January 2016 a retrospective study was carried out of patients with primary osteosarcoma of lower limbs who underwent combined biological intercalary reconstruction. Patients were categorized into two groups based on the reconstructive technique: frozen tumour-bearing autograft combined with concurrent VFG (Group 1) and the Capanna method (Group 2). Demographics, operating procedures, oncological outcomes, graft union, limb function, and postoperative complications were compared. Results A total of 23 patients were identified for analysis: eight in Group 1 and 15 in Group 2. There was no difference in the demographics (age, sex, and affected site) and operating procedures (resection length, duration of surgery, and blood loss) between the two groups. No significant difference was found in local recurrence in Group 1 versus Group 2 (p = 0.585). Mean union time for the frozen autograft-host junction was 8.4 months (7.0 to 11.0), significantly earlier than for the allograft-host junction in Group 2 (mean 14.1 months (10.0 to 28.0); p < 0.001). Mean Musculoskeletal Tumor Society scores in groups 1 and 2 were 90.3% (SD 7.4%) and 88.0% (SD 9.0%), respectively, with no significant statistical difference (p = 0.535). In terms of complications, infection (n = 1, 6.7%) and delayed union (n = 2, 13.3%) occurred in Group 2, but no such complications were observed in Group 1. Conclusion Frozen tumour-bearing autograft in combination with VFG can be used as an alternative to the Capanna reconstruction in properly selected patients with osteosarcoma. Cite this article: Bone Joint J 2020;102-B(5):646–652.

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Kobara-Mates, M., J. A. Logemann, C. Larson e P. J. Kahrilas. "Physiology of oropharyngeal swallow in the cat: a videofluoroscopic and electromyographic study". American Journal of Physiology-Gastrointestinal and Liver Physiology 268, n. 2 (1 febbraio 1995): G232—G241. http://dx.doi.org/10.1152/ajpgi.1995.268.2.g232.

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The majority of animal studies of deglutition have examined electrically stimulated swallows in sedated animals. This present investigation examined oropharyngeal and cervical esophageal swallow physiology in three awake normal domestic cats using concurrent electromyography (EMG) and videofluorography (VFG). Hooked wire electrodes were surgically implanted into six oropharyngeal muscles in each cat. During collection of VFG and EMG data, each cat ate barium-impregnated cat food while the fluorography tube focused on a lateral view of the oral cavity, pharynx, and cervical esophagus. A number of significant differences in the physiology of swallowing were found between the cat and human adult. The oral stage of swallow is much longer in the cat with bolus accumulation in the valleculae. Duration and components of the pharyngeal stage of swallow are much faster, and the pharyngeal stage occurs earlier in relation to bolus passage through the cricopharyngeus. In addition, the cat exhibits a marked superior constrictor bulge at the onset of the pharyngeal contractile wave and summation of the peristaltic waves in the esophagus, whereas the human adult does not. Feline swallow physiology is more similar to that of the human infant than that of human adults.

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Raga Jiménez, C., T. Álvarez Martín, R. Ferrando Piqueres, M. Juan Aguilar, S. Conde Giner e J. Usó Blasco. "Evaluación de la seguridad y efectividad del intercambio de tenofovir disoproxilo a tenofovir alafenamida en vida real". Revista de la OFIL 30, n. 1 (marzo 2020): 28–32. http://dx.doi.org/10.4321/s1699-714x2020000100009.

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RESUMEN Objetivos: Evaluar la seguridad y efectividad en vida real del intercambio en el tratamiento antirretroviral de tenofovir disoproxilo (TDF) a tenofovir alafenamida (TAF) en pacientes VIH. Material y métodos: Estudio retrospectivo observacional durante 2017 en el que se incluyeron todos los pacientes del departamento de salud en tratamiento con TAF. Se evaluó la población obtenida y además se dividió en dos subgrupos no comparativos según el intercambio realizado: subgrupo 1, de elvitegravir/cobicistat/TDF/emtricitabina (EVG/c/TDF/FTC) a EVG/c/TAF/FTC; y subgrupo 2, de TDF/FTC a TAF/FTC. Para la seguridad se midió antes y después del intercambio: creatinina (Cr), urea y velocidad de filtrado glomerular (VFG). Para la efectividad carga viral (CV) y linfocitos CD4. La CV se tomó como variable binaria interpretándose como pacientes respondedores (<20 copias/mL) o no. Las variables numéricas se expresaron en medianas y las cualitativas en porcentaje e intervalo intercuartílico (IQR). Las pruebas utilizadas fueron W de Wilcoxon y chi cuadrado respectivamente. Resultados: Se obtuvo una muestra de 55 pacientes en los que hubo una variación antes y después del cambio de Cr=0,9 mg/dL (IQR=0,8-1) a Cr=0,8 mg/dL (IQR=0,7-0,9) (p<0,001), de urea=29 mg/dL (IQR=24-36) a urea=28 mg/dL (25-34,5) (p=0,06) y de VFG=92,8 mL/min (79,3-102,1) a VFG=103,6 (IQR=95,9-111,1) (p<0,001). En cuanto a efectividad hubo un incremento desde el 51% al 59,9% (p=0,821) y para CD4 de 668 CD4/mcL (IQR=496-824) a 684 CD4/mcL (IQR=611-807) (p=0,084). Los resultados por subgrupos fueron similares. Conclusiones: Este estudio muestra en una misma población en vida real, que tras el cambio en la sal de tenofovir se mantiene un buen perfil de seguridad con mejora de parámetros analíticos de la función renal sin perjuicio en la efectividad.

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Winkelmann, Claudia, Andrea Helmer-Denzel, Andrea Bosch e Anke Simon. "Benefits, advantages, and challenges of dual degree programs and implications for the development of therapy science programs / Nutzen, Vorteile und Herausforderungen des dualen Studiums und Implikationen für die Entwicklung therapiewissenschaftlicher Studiengänge". International Journal of Health Professions 8, n. 1 (1 gennaio 2021): 128–36. http://dx.doi.org/10.2478/ijhp-2021-0015.

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Abstract Dieser Beitrag stellt einleitend die Geschichte und die Philosophie der Dualen Hochschule Baden-Württemberg (DHBW) dar. Zentral ist die Verzahnung von hochschulischer Ausbildung mit Praxisbetrieben, die durch klare Standards reglementiert ist und damit Qualität und Studierbarkeit gewährleistet. Diese Verzahnung ermöglicht ein rasches Reagieren auf sich wandelnde gesellschaftliche Anforderungen, die Globalisierung und die digitale Transformation. Für den Studienbereich Gesundheit der DHBW werden die Studienmodelle, die besonderen Rollen und Herausforderungen für die Dualen Partner, für die Studiengangleitung und die Studierenden beleuchtet. Dieser Artikel basiert auf dem Vortrag mit dem gleichen Titel gehalten am VFWG-Symposium «Sind duale Studiengänge der Hebammen ein Modell für die Therapieberufe?» vom 18. März 2021.

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Soyer, Richard, e Philip Marsch. "Parteiantrag auf Normenkontrolle im Strafverfahren: Innehaltungspflicht nur bei Verständigung nach § 62a Abs 5 1. Satz VfGG". Journal für Strafrecht 10, n. 3 (2023): 239. http://dx.doi.org/10.33196/jst202303023901.

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