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Articoli di riviste sul tema "TCP"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 30 luglio 2024

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1

Arty, Indyah Sulistyo. "SYNTHESIZE AND CITOTOXICITY TEST OF SEVERAL COMPOUNDS OF MONO PARA-HIDROXY CHALCON". Indonesian Journal of Chemistry 10, n. 1 (21 giugno 2010): 110–15. http://dx.doi.org/10.22146/ijc.21489.

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Five compounds of mono para-hidroxy chalcon were synthesized (TC1, TC2, TC3, TC4, and TC5) and tested their cytotoxicity against HeLa cell and Raji cell. The difference in substituent of TC1 (R4 =H), TC2 (R4 = OCH3), and TC3 (R4 = F), showed the difference of their citotoxicity against HeLa cell. The citotoxicity of TC1 (LC50 = 16.08 µg/mL) ≈ TC3 (LC50 = 13.37 µg/mL), but the substituent difference of TC2 (LC50 = 147.43 µg/mL), decreasing it citotoxicity 10 times. Like wise their citotoxicity against Raji cell of TC1 (LC50 = 36.44 µg/mL) ≈ TC3 (LC50 = 30.46 µg/mL), but the substituent difference of TC2 (LC50 = 468.94 µg/mL), decreasing it citotoxicity activity 15 times. Nevertheless the strength of citotoxicity TC4 (LC50 = 98.74 µg/mL) and TC5 (LC50 = 110.97 µg/mL) against Raji cell are stronger than the citotoxicity of two of them against HeLa cell (LC50 of TC4 = none, LC50 of TC5 = 576.53 µg/mL). Keywords: mono para-hidroxy chalcon, HeLa cell, Raji cell, citotoxicity activity

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2

Hussain, Nadia, Amira S. A. Said e Zainab Khan. "Safety Assessment of Neoadjuvant Pertuzumab Combined with Trastuzumab in Nonmetastatic HER2-Positive Breast Cancer in Postmenopausal Elderly Women of South Asia". International Journal of Breast Cancer 2018 (2018): 1–7. http://dx.doi.org/10.1155/2018/6106041.

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Aim. To evaluate the safety issues and adverse effects of using TCHP regimen (docetaxel, carboplatin, trastuzumab, and pertuzumab) versus TCP regimen (docetaxel, carboplatin, and trastuzumab) in older postmenopausal women with nonmetastatic HER2-positive breast cancer. HER2 overexpressed in 20–25% of breast cancer signals an aggressive form of breast cancer and is treated with trastuzumab and pertuzumab. Methods. The patient record database was accessed to identify all postmenopausal women in the Punjab Care hospital who were above 65 years old, with stages 1–3 HER2-positive breast cancer and treated with neoadjuvant TCHP and neoadjuvant TCP from 2013 till 2016. Results. In TCH-P group and TCH group, mild fatigue (34% versus 36%) and diarrhea (48% versus 49%) were most common toxicities. Fever in TCH-P group and TCH group (12% versus 13%) was common. Anorexia affected 21% and 16% of patients receiving TCH and TCHP regimen, respectively. Febrile neutropenia was higher in TCH-P group 13% (3/23) versus 4.5% (1/22) in TCH group. Also 27.2% (6/22) of TCH-P group was hospitalized for treatment related toxicities versus 21.7% (5/23) of TCH group. Conclusion. Comparing neoadjuvant TCP and neoadjuvant TCH-P showed TCH-P regimen had an acceptable toxicity profile. Severe cardiac dysfunction was not observed. Using TCH-P regimen can be considered as relatively safe therapeutic option for elderly postmenopausal women with nonmetastatic HER2-positive breast cancer.

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Uruilal, Costanza, Abraham Talahaturuson, Wihelmina Rumahlewang e Jogeneis Patty. "ISOLASI Trichoderma spp. DAN DAYA ANTAGONISMENYA TERHADAP SCLEROTIUM ROLFSII SACC. PENYEBAB PENYAKIT LAYU PADA TANAMAN CABAI (Capsicum anuum) SECARA IN-VITRO". JURNAL BUDIDAYA PERTANIAN 13, n. 2 (1 dicembre 2017): 64–67. http://dx.doi.org/10.30598/jbdp.2017.13.2.64.

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The objective of this study is to isolation and agonistic test ability of Trichoderma spp. againts Sclerotium rolfsii Sacc. cause of wilting on pepper plants and has been conducted in Pathogenicity Laboratory Faculty of Agriculture Unpatti. The study use 5 treatment of isolate Trichoderma spp. (Tc3, Tc4, Tc5, Tc6 and Tc7) with 3 replications so that there are 15 experimental units. The results showed that the five isolates Trichoderma spp. has an antagonistic power to S. rolfsii with an average percentage of inhibition of S. rolfsii of 26,01%. Percentage of inhibition bolth of isolate ware not significantly different at 95% level test results between treatment. Average percentage inhibition of S. rolfsii by Trichoderma spp. each treatment was Tc6 = 27,31%, Tc3 = 26,63%, Tc5 = 26,05%, Tc7 = 25,69% and Tc4 = 24,37%. Keywords: antagonism, Trichoderma spp., Sclerotium rolfsii Abstrak Penelitian ini bertujuan mengisolasi dan menguji kemampuan antagonis Trichoderma spp. terhadap Sclerotium rolfsii Sacc. penyebab layu pada tanaman cabai dan telah dilaksanakan di Laboratorium Patogenisitas Fakultas Pertanian Unpatti, dengan menggunakan 5 perlakuan isolat Trichoderma spp. (Tc3, Tc4, Tc5, Tc6 dan Tc7) dengan 3 ulangan sehingga terdapat 15 satuan percobaan. Hasil penelitian menunjukkan bahwa kelima isolat Trichoderma sp. mempunyai daya antagonis terhadap S. rolfsii dengan rata-rata persentase penghambatan S. rolfsii sebesar 26%. Hasil analisis varians pada taraf 95% menunjukkan tidak ada perbedaan nyata antara perlakuan. Rata-rata persentase penghambatan S. rolfsii oleh Trichoderma spp. masing-masing perlakuan berturut-turut adalah Tc6 = 27,31%, Tc3 = 26,63%, Tc5 = 26,05%, Tc7 = 25,69% dan Tc4 = 24,37%, dengan rata-rata 26,01%. Kata kunci: antagonisme, Trichoderma spp., Sclerotium rolfsii

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4

Goto, Saki, Taro Urase e Kaito Nakakura. "Novel and Simple Method for Quantification of 2,4,6-Trichlorophenol with Microbial Conversion to 2,4,6-Trichloroanisole". Microorganisms 11, n. 9 (23 agosto 2023): 2133. http://dx.doi.org/10.3390/microorganisms11092133.

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Contamination with 2,4,6-trichloroanisole (TCA) often causes taste and odor (T&O) problems in drinking water due to its low odor threshold concentration. Microbial O-methylation of the precursor 2,4,6-trichlorophenol (TCP) would be the dominant mechanism for TCA formation. Simple and rapid measurement of TCP in the low concentration range is necessary to control the problems induced by TCA. In this study, the combination of microbial conversion and instrumental analysis was proposed as a method of TCP quantification. Fungi and bacteria were isolated from various water samples and examined for their ability to produce TCA from TCP. As a result, a strain exhibiting quantitative TCA production and a high growth rate was obtained and named Mycolicibacterium sp. CB14. The conversion rate of TCP to TCA by this strain was found to be high and stable (85.9 ± 5.3%), regardless of the applied TCP concentration, although within the range of 0.1–10 µg/L. The limits of detection and quantification for TCP by this proposed method were determined to be 5.2 ng/L and 17.3 ng/L, respectively. By improving the methods, Mycolicibacterium sp. CB14 could be used for the quantification of TCP at very low concentration levels, which is sufficient to manage the T&O problem caused by TCA.

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5

Hwang, Jae-Hyun, Jin-Hee Choi, Se-Won Kim e Chuck Yoo. "DR-TCP: Downloadable and reconfigurable TCP". Journal of Systems and Software 81, n. 1 (gennaio 2008): 83–99. http://dx.doi.org/10.1016/j.jss.2007.05.002.

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6

PARK, Mankyu, Minsu SHIN, Deockgil OH, Doseob AHN, Byungchul KIM e Jaeyong LEE. "ER-TCP (Exponential Recovery-TCP): High-Performance TCP for Satellite Networks". IEICE Transactions on Communications E95.B, n. 5 (2012): 1679–88. http://dx.doi.org/10.1587/transcom.e95.b.1679.

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7

Álvarez-Rodríguez, María Luisa, Laura López-Ocaña, José Miguel López-Coronado, Enrique Rodríguez, María Jesús Martínez, Germán Larriba e Juan-José R. Coque. "Cork Taint of Wines: Role of the Filamentous Fungi Isolated from Cork in the Formation of 2,4,6-Trichloroanisole by O Methylation of 2,4,6-Trichlorophenol". Applied and Environmental Microbiology 68, n. 12 (dicembre 2002): 5860–69. http://dx.doi.org/10.1128/aem.68.12.5860-5869.2002.

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ABSTRACT Cork taint is a musty or moldy off-odor in wine mainly caused by 2,4,6-trichloroanisole (2,4,6-TCA). We examined the role of 14 fungal strains isolated from cork samples in the production of 2,4,6-TCA by O methylation of 2,4,6-trichlorophenol (2,4,6-TCP). The fungal strains isolated belong to the genera Penicillium (four isolates); Trichoderma (two isolates); and Acremonium, Chrysonilia, Cladosporium, Fusarium, Mortierella, Mucor, Paecilomyces, and Verticillium (one isolate each). Eleven of these strains could produce 2,4,6-TCA when they were grown directly on cork in the presence of 2,4,6-TCP. The highest levels of bioconversion were carried out by the Trichoderma and Fusarium strains. One strain of Trichoderma longibrachiatum could also efficiently produce 2,4,6-TCA in liquid medium. However, no detectable levels of 2,4,6-TCA production by this strain could be detected on cork when putative precursors other than 2,4,6-TCP, including several anisoles, dichlorophenols, trichlorophenols, or other highly chlorinated compounds, were tested. Time course expression studies with liquid cultures showed that the formation of 2,4,6-TCA was not affected by a high concentration of glucose (2% or 111 mM) or by ammonium salts at concentrations up to 60 mM. In T. longibrachiatum the O methylation of 2,4,6-TCP was catalyzed by a mycelium-associated S-adenosyl-l-methionine (SAM)-dependent methyltransferase that was strongly induced by 2,4,6-TCP. The reaction was inhibited by S-adenosyl-l-homocysteine, an inhibitor of SAM-dependent methylation, suggesting that SAM is the natural methyl donor. These findings increase our understanding of the mechanism underlying the origin of 2,4,6-TCA on cork, which is poorly understood despite its great economic importance for the wine industry, and they could also help us improve our knowledge about the biodegradation and detoxification processes associated with chlorinated phenols.

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8

Huang, Yaqin, Wentao Huang, Lujun Sun, Qinqin Wang, Aihua He e Charles C. Han. "Phase Transition from α-TCP into β-TCP in TCP/HA Composites". International Journal of Applied Ceramic Technology 7, n. 2 (26 maggio 2009): 184–88. http://dx.doi.org/10.1111/j.1744-7402.2009.02384.x.

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9

Nyström, A., A. Grimvall, C. Krantz-Rüilcker, R. Sävenhed e K. Åkerstrand. "Drinking Water Off-Flavour Caused by 2,4,6-Trichloroanisole". Water Science and Technology 25, n. 2 (1 gennaio 1992): 241–49. http://dx.doi.org/10.2166/wst.1992.0058.

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Combined chemical and sensory methods were used for the source identification of musty off-flavours in water; the methods were based on stripping enrichment, gas chromatography (GC) with both instrumental and sensory detection, and preparative GC. Two case studies of drinking water derived from groundwater (one chlorinated and one non-chlorinated) showed that 2,4,6-trichloroanisole (TCA) was the major odorous compound. Furthermore, the concentration of TCA increased significantly in the distribution system. Studies of surface waters showed that TCA is widespread in Sweden, and in one small forest lake, it was found that TCA made a significant contribution to the total odour of the water. The formation of TCA during distribution was probably caused by microbial methylation of 2,4,6-trichlorophenol (TCP). TCP is formed during chlorine disinfection of drinking water and has recently also been identified as a natural halogenation product. In the present study, fungi (of the genera Phialophora, Acremonium and Penicillium) and actinomycetes isolated from drinking water were capable of producing TCA by methylating added TCP.

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10

Bonde, Padma, Bhavana Jharia e A. K. Shrivastav. "Wi-TCP: A TCP in Wireless Environment". International Journal of Computer Applications 73, n. 8 (26 luglio 2013): 30–34. http://dx.doi.org/10.5120/12763-9731.

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11

Chan, Yi-Cheng, Chia-Liang Lin, Chia-Tai Chan e Cheng-Yuan Ho. "CODE TCP: A competitive delay-based TCP". Computer Communications 33, n. 9 (giugno 2010): 1013–29. http://dx.doi.org/10.1016/j.comcom.2010.01.007.

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12

Kosaka, K., T. Hayashida, M. Terasaki, M. Asami, T. Yamada, M. Itoh e M. Akiba. "Elution of bisphenol A and its chlorination by-products from lined pipes in water supply process". Water Supply 12, n. 6 (1 ottobre 2012): 791–98. http://dx.doi.org/10.2166/ws.2012.055.

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Elution of bisphenol A (BPA), chlorinated BPAs (i.e., 3-chlorobisphenol A, sum of 3,5-dichlorobisphenol A and 3,3′-dichlorobisphenol A, 3,3′,5-trichlorobisphenol A, and 3,3′,5,5′-tetrachlorobisphenol A) and 2,4,6-trichlorophenol (TCP) from lined pipes coated with two epoxy resins were investigated in a 24-month continuous test passing tap water. BPA, chlorinated BPAs, and TCP were not detected in the tap water at the outlet of lined pipes in most cases. However, all of these chemicals were detected in the tap water after 16 h of retention. The sums of BPA and chlorinated BPAs in the retained tap water were usually high when the residual chlorine levels were low. The residual chlorine was related to temperature, residual chlorine in the tap water at the inlet of lined pipes, and the elapsed time. From the results of leach tests, it was indicated that no marked changes in BPA concentration over the 24 months of the continuous test. Chlorinated BPAs and TCP were accumulated on the surface of lined pipes during the continuous test.

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13

Hohmann, Uwe, Winfried Busch, Katia Badaeva, Bernd Friebe e Bikram S. Gill. "Molecular cytogenetic analysis of Agropyron chromatin specifying resistance to barley yellow dwarf virus in wheat". Genome 39, n. 2 (1 aprile 1996): 336–47. http://dx.doi.org/10.1139/g96-044.

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Nine families of bread wheat (TC5, TC6, TC7, TC8, TC9, TC10, TC14, 5395-(243AA), and 5395) with resistance to barley yellow dwarf virus and containing putative translocations between wheat and a group 7 chromosome of Agropyron intermedium (L1 disomic addition line, 7Ai#1 chromosome) induced by homoeologous pairing or tissue culture were analyzed. C-banding, genomic in situ hybridization (GISH), and restriction fragment length polymorphism (RFLP) in combination with repetitive Agropyron-specific sequences and deletion mapping in wheat were used to determine the relative locations of the translocation breakpoints and the size of the transferred alien chromatin segments in hexaploid wheat–Agropyron translocation lines. All homoeologous compensating lines had complete 7Ai#1 or translocated 7Ai#1–7D chromosomes that substitute for chromosome 7D. Two complete 7Ai#1 (7D) substitution lines (5395-(243AA) and 5395), one T1BS–7Ai#1S∙7Ai#1L addition line (TC7), and two different translocation types, T7DS–7Ai#1S∙7Ai#1L (TC5, TC6, TC8, TC9, and TC10) and T7DS∙7DL–7Ai#1L (TC14), substituting for chromosome 7D were identified. The substitution line 5395-(243AA) had a reciprocal T1BS∙1BL–4BS/T1BL–4BS∙4BL translocation. TC14 has a 6G (6B) substitution. The RFLP data from deletion mapping studies in wheat using 37 group 7 clones provided 10 molecular tagged chromosome regions for homoeologous and syntenic group 7 wheat or Agropyron chromosomes. Together with GISH we identified three different sizes of the transferred Agropyron chromosome segments with approximate breakpoints at fraction length (FL) 0.33 in the short arm of chromosome T7DS–7Ai#1S∙7Ai#1L (TC5, TC6, TC8, TC9, and TC10) and another at FL 0.37 of the nonhomoeologous translocated chromosome T1BS–7Ai#1S∙7Ai#1L (TC7). One breakpoint was identified in the long arm of chromosome T7DS∙7DL–7Ai#1L (TC14) at FL 0.56. We detected some nonreciprocal translocations for the most proximal region of the chromosome arm of 7DL, which resulted in small duplications. Key words : C-banding, genomic in situ hybridization (GISH), physical mapping, translocation mapping, RFLP analysis.

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14

Liu, Qi Bin, Ling Wu e Bang Cheng Yang. "Gradient Rare-Earths Bioceramic Composite Coating Fabricated by Wide-Band Laser Cladding and its Bioactivity". Materials Science Forum 610-613 (gennaio 2009): 1224–26. http://dx.doi.org/10.4028/www.scientific.net/msf.610-613.1224.

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A gradient bioceramic composite coating was prepared by wide-band laser cladding technique on TC4 alloy surface. The influence of rare earths oxide CeO2 on microstructure of bioceramic coating was studied. The experimental results indicated that CeO2 plays an important role in inducing HA + β-TCP formation. There is almost no HA+β-TCP in bioceramic coating without CeO2. When CeO2 content is higher than 0.2 wt.%, the amount of HA+β-TCP catalyzed by CeO2 gradually increases. The amount of HA+β-TCP becomes largest when CeO2 content is up to 0.4wt%. However, when CeO2 content ranges from 0.6 wt.% to 0.8 wt.%, the amount of synthesizing HA+β-TCP conversely goes down. Through cell culture experiment in vitro, the effect of bioceramic coating with different CeO2 contents on the expression of characteristic protein is investigated. The results show that the largest amount of expression of hydroxyproline(Hyp) at 2d and alkaline phosphatase(ALP) at 6d on coating is complied with 0.4wt.% CeO2, The result indicates that bioactivity of bioceramic coating is dependent on the amount of HA + β-TCP catalyzed by different CeO2 contents.

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15

Harino, Hiroya, Emi Yatsuzuka, Chiaki Yamao, Masaaki Ueno e Madoka Ohji. "Current status of organophosphorus compounds contamination in Maizuru Bay, Japan". Journal of the Marine Biological Association of the United Kingdom 94, n. 1 (15 ottobre 2013): 43–49. http://dx.doi.org/10.1017/s002531541300129x.

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The concentrations of organophosphoric acid triesters (OPEs) in water samples from Maizuru Bay were in the range of 3.0–62 ng/l. In general, the concentrations of OPEs were found in the order of TBXP > TDCPP > TCEP > TBP > TCP > TPP > TEP. The organophosphorous pesticides (OPPs) diazinon, fenitrothion, iprobenfos and chlorpyrifos were detected in water samples. The concentrations of OPEs in sediment from Maizuru Bay were in the range of <0.5–56 µg kg−1 dry weight (dw). Among OPPs, diazinon in sediment samples were in the range of 1.8–71 µg kg−1 dw. However, the detection frequencies of fenitrothion and chlorpyrifos in sediment were low. The concentrations of OPEs in mussels from Maizuru Bay were in the range of <1–34 µg kg−1 wet weight (ww). The concentrations of OPEs were found in the order of TBP > TDCPP > TCP > TBXP = TPP = TCEP. Pesticides were detected in mussels, but these concentrations were lower than the acceptable daily intake (ADI) values. The partition coefficients between water and sediment (Kws) of diazinon and fenitrothion were 200–1300 and 200–300, respectively and the partition coefficients between water and biological samples (Kwb) of diazinon and fenitrothion were 700–3300 and 450–700, respectively, suggesting that these pesticides accumulate in biological samples at higher rates than in sediment.

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Hassan, M., e Raj Jain. "TCP performance". IEEE Communications Magazine 39, n. 4 (aprile 2001): 51. http://dx.doi.org/10.1109/mcom.2001.917503.

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Brakmo, Lawrence S., Sean W. O'Malley e Larry L. Peterson. "TCP Vegas". ACM SIGCOMM Computer Communication Review 24, n. 4 (ottobre 1994): 24–35. http://dx.doi.org/10.1145/190809.190317.

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Kelly, Tom. "Scalable TCP". ACM SIGCOMM Computer Communication Review 33, n. 2 (aprile 2003): 83–91. http://dx.doi.org/10.1145/956981.956989.

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Venkataramani, Arun, Ravi Kokku e Mike Dahlin. "TCP Nice". ACM SIGOPS Operating Systems Review 36, SI (31 dicembre 2002): 329–43. http://dx.doi.org/10.1145/844128.844159.

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Paasch, Christoph, e Olivier Bonaventure. "Multipath TCP". Queue 12, n. 2 (febbraio 2014): 40–51. http://dx.doi.org/10.1145/2578508.2591369.

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Paasch, Christoph, e Olivier Bonaventure. "Multipath TCP". Communications of the ACM 57, n. 4 (aprile 2014): 51–57. http://dx.doi.org/10.1145/2578901.

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Brown, Kevin, e Suresh Singh. "M-TCP". ACM SIGCOMM Computer Communication Review 27, n. 5 (ottobre 1997): 19–43. http://dx.doi.org/10.1145/269790.269794.

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Tang, Xu-hong, Zheng-lan Liu e Miao-liang Zhu. "TCP-Rab: a receiver advertisement based TCP protocol". Journal of Zhejiang University-SCIENCE A 5, n. 11 (novembre 2004): 1352–60. http://dx.doi.org/10.1631/jzus.2004.1352.

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Deng, Gang, Hong Wang e Zhenghu Gong. "CA-TCP: Overtime Cost Aware Data Center TCP". Journal of Computational and Theoretical Nanoscience 12, n. 10 (1 ottobre 2015): 3050–57. http://dx.doi.org/10.1166/jctn.2015.4080.

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Polese, Michele, Rittwik Jana e Michele Zorzi. "TCP and MP-TCP in 5G mmWave Networks". IEEE Internet Computing 21, n. 5 (2017): 12–19. http://dx.doi.org/10.1109/mic.2017.3481348.

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Lai, Yuan-Cheng, e Chang-Li Yao. "Performance comparison between TCP Reno and TCP Vegas". Computer Communications 25, n. 18 (dicembre 2002): 1765–73. http://dx.doi.org/10.1016/s0140-3664(02)00092-0.

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Caini, Carlo, e Rosario Firrincieli. "TCP Hybla: a TCP enhancement for heterogeneous networks". International Journal of Satellite Communications and Networking 22, n. 5 (31 agosto 2004): 547–66. http://dx.doi.org/10.1002/sat.799.

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Tan, Liansheng, Lina Dong, Cao Yuan e Moshe Zukerman. "Fairness comparison of FAST TCP and TCP Reno". Computer Communications 30, n. 6 (marzo 2007): 1375–82. http://dx.doi.org/10.1016/j.comcom.2006.12.025.

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Cestaro, Evelise Juliane, Valéria Amorim Pires Di Lorenzo, Diego Marmorato Marino, Isabel Walsh, Gualberto Ruas, Maurício Jamami e Kamilla Tays Marrara. "Fatores que influenciam a capacidade física de pacientes com doença pulmonar obstrutiva crônica". Fisioterapia e Pesquisa 17, n. 4 (dicembre 2010): 332–36. http://dx.doi.org/10.1590/s1809-29502010000400009.

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Este estudo objetivou identificar fatores que influenciam a capacidade física, avaliada por meio da distância percorrida no teste de caminhada de seis minutos (TC6'), de pacientes com doença pulmonar obstrutiva crônica (DPOC). Os fatores testados foram idade, grau de obstrução das vias aéreas (pelo volume expiratório forçado no primeiro segundo (VEF1), resistência da musculatura respiratória (pela ventilação voluntária máxima (VVM) e capacidade máxima ao esforço (medida pela distância percorrida no teste cardiopulmonar limitado por sintomas, TCP). Dezoito pacientes do sexo masculino, com idade média de 69,6±8,4anos e diagnóstico de DPOC classes II e III, foram submetidos ao TC6', ao TCP e à espiromeria. Foram encontradas correlações significativas moderadas entre a distância percorrida no TC6' e o VEF1 (r=0,62), a VVM (r=0,50), e a distância percorrida no TCP (r=0,67), não havendo correlação com a idade. Conclui-se que o grau de obstrução das vias aéreas, a resistência da musculatura respiratória e a capacidade máxima ao esforço influenciam a capacidade física dos pacientes com DPOC classes II e III ao executar uma atividade cotidiana como a caminhada.

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Jaiswal, Vivek Kumar, e Sanjeev Patel. "A comparative performance analysis of TCP congestion control algorithm: elastic TCP vs. e-Elastic TCP". International Journal of Internet Protocol Technology 16, n. 3 (2023): 161–75. http://dx.doi.org/10.1504/ijipt.2023.133029.

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Patel, Sanjeev, e Vivek Kumar Jaiswal. "A Comparative Performance Analysis of TCP Congestion Control Algorithm: Elastic TCP vs e-Elastic TCP". International Journal of Internet Protocol Technology 16, n. 3 (2023): 1. http://dx.doi.org/10.1504/ijipt.2023.10054706.

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Guo, Lingfeng, e Jack Y. B. Lee. "TCP-FLASH - A Fast Reacting TCP for Modern Networks". IEEE Access 9 (2021): 68861–79. http://dx.doi.org/10.1109/access.2021.3077612.

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33

WANG, Bin, Yuan-yan CHEN, Yu HU e Wei FENG. "TCP Vegas-W: Enhanced TCP Vegas congestion avoidance mechanism". Journal of Computer Applications 30, n. 9 (30 novembre 2010): 2485–87. http://dx.doi.org/10.3724/sp.j.1087.2010.02485.

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34

de Vivo, Marco, Gabriela O. de Vivo, Roberto Koeneke e Germinal Isern. "Internet vulnerabilities related to TCP/IP and T/TCP". ACM SIGCOMM Computer Communication Review 29, n. 1 (gennaio 1999): 81–85. http://dx.doi.org/10.1145/505754.505760.

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35

LE, T. A. "TCP BaLDE for Improving TCP Performance over Heterogeneous Networks". IEICE Transactions on Communications E89-B, n. 4 (1 aprile 2006): 1127–35. http://dx.doi.org/10.1093/ietcom/e89-b.4.1127.

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36

OBATA, H. "TCP-STAR: TCP Congestion Control Method for Satellite Internet". IEICE Transactions on Communications E89-B, n. 6 (1 giugno 2006): 1766–73. http://dx.doi.org/10.1093/ietcom/e89-b.6.1766.

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37

Wang, Jingyuan, Jiangtao Wen, Jun Zhang, Zhang Xiong e Yuxing Han. "TCP-FIT: An improved TCP algorithm for heterogeneous networks". Journal of Network and Computer Applications 71 (agosto 2016): 167–80. http://dx.doi.org/10.1016/j.jnca.2016.03.020.

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38

Srijith, K. N., Lillykutty Jacob e A. L. Ananda. "TCP Vegas-A: Improving the Performance of TCP Vegas". Computer Communications 28, n. 4 (marzo 2005): 429–40. http://dx.doi.org/10.1016/j.comcom.2004.08.016.

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39

Jamali, Shahram, Neda Alipasandi e Bita Alipasandi. "TCP Pegas: A PSO-based improvement over TCP Vegas". Applied Soft Computing 32 (luglio 2015): 164–74. http://dx.doi.org/10.1016/j.asoc.2015.03.048.

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40

Sankara Malliga, G., T. Meeradevi, M. Umaparvathi, B. Parvathavartini, S. Thayammal e P. Sriramya. "Improved TCP Congestion Control Mechanism for Multihop Wireless Networks". Applied Mechanics and Materials 591 (luglio 2014): 189–92. http://dx.doi.org/10.4028/www.scientific.net/amm.591.189.

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Abstract (sommario):

Transmission Control Protocol (TCP) is working well in wired networks. TCP needs modification to work well in wireless networks. This work analyses the performance of the proposed two TCP cross layer flavours, namely the TCP-AL and TCP-WPAL. The cross layer interaction (TCP-WPAL) produces better performance than the TCP-AL. The PDR (Packet Delivery Ratio) of the TCP-WPAL is increased, and the delay and jitter of the TCP-WPAL are decreased in multihop wireless networks. Keywords: TCP, Wireless networks, TCP-AL and TCP-WPAL

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41

SAǦ ERDEM, SAFİYE. "A computational study on heterodimerization of charged porphyrins". Journal of Porphyrins and Phthalocyanines 05, n. 06 (giugno 2001): 512–22. http://dx.doi.org/10.1002/jpp.355.

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Abstract (sommario):

The structures of the charged porphyrins and their dimers have been investigated with computational methods. Dimers have been formed based on electrostatic attraction of the opposite charges on two different porphyrin monomers, tetra ammonium porphyrin (TAP) and tetra carboxy porphyrin (TCP). Semi-empirical quantum mechanical calculations have been employed to explore the most stable ground-state structures of TCP, TAP and their hetero-dimers. Dimeric structures analyzed are all in face-to-face fashion indicating the strong electrostatic attraction between the two porphyrin rings. Calculations have also predicted that the protons transfer from [Formula: see text]; groups to -COO- groups when the interplanar separation is shorter than 3.7 Å.

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42

Migdał-Mikuli, Anna, e Elżbieta Szostak. "Phase Polymorphism of [Mn(DMSO)6](ClO4)2 Studied by Differential Scanning Calorimetry". Zeitschrift für Naturforschung A 60, n. 4 (1 aprile 2005): 289–95. http://dx.doi.org/10.1515/zna-2005-0413.

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Abstract (sommario):

Abstract Six solid phases of [Mn(DMSO)6](ClO4)2 have been detected by differential scanning calorimetry. The phase transitions were found between the following solid phases: stable KIc ↔ stable KIb at TC5 = 225 K, metastable KIII ↔ metastable KII at TC4 = 322 K, stable KIb ↔ stable KIa at TC3 = 365 K, metastable KII↔overcooled K0 at TC2 = 376 K and stable KIa→stable K0 at TC1 = 379 K. The title compound melts at Tm = 488 K.

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43

Lopez-Heredia, Marco A., Dirk Barnewitz, Antje Genzel, Michael Stiller, Fabian Peters, Wolf Dietrich Hübner, Benedikt Stang, Andrea Kuhr e Christine Knabe. "In Vivo Osteogenesis Assessment of a Tricalcium Phosphate Paste and a Tricalcium Phosphate Foam Bone Grafting Materials". Key Engineering Materials 631 (novembre 2014): 426–29. http://dx.doi.org/10.4028/www.scientific.net/kem.631.426.

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Abstract (sommario):

Calcium phosphates (CaPs) are synthetic bone grafting materials. CaPs are an alternative to overcome the drawbacks present with autologous bone grafting and/or xenograft materials. Among the CaPs, tricalcium phosphate (TCP) stands out as a good candidate due to its physicochemical properties. The clinical performance of β-TCP has already been proven and established. Nevertheless, the format in which TCP is delivered is also important in terms of clinical handling. This work assessed the in vivo performance of TCP-based bone grafting materials with different formats. Materials studied were a TCP paste (TCP-P), a TCP foam (TCP-F) and TCP granules (TCP-G). A sheep scapula model was used to evaluate the osteogenic performance of these bone grafting materials. All materials performed well in terms of bone regenerative capacity and material resorption. However, TCP-P and TCP-F displayed a more pronounced initial material resorption and also exhibited better handling properties compared to TCP-G. TCP-based materials with improved handling properties, such as TCP-P and TCP-F, which at the same time possess the advantageous properties of β-TCP are suitable bone substitute materials for grafting and reconstruction of bone defects in numerous clinical applications.

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44

Liu, Qi Bin, e Bang Cheng Yang. "The Bioactivity of Gradient Composite Bioceramic Coating with La₂O₃Fabricated by Wide Band Laser Cladding". Advanced Materials Research 668 (marzo 2013): 91–95. http://dx.doi.org/10.4028/www.scientific.net/amr.668.91.

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Abstract (sommario):

To improve the quality of bioceramic gradient coatings, wide band laser cladding technique was adopted to produce a kind of gradient composite bioceramic coating, which combines the good biocompatibility of HA and β-TCP with good toughness and strength of TC4 alloy. The rare earths oxide La2O3 was added to improve the properties of the bioceramic coating. The results indicate that when the adding of La2O3 is 0.6wt%, the ceramics coating is of the largest amount of HA and β-TCP catalyzed, and the number of cells proliferated and the ALP secreted on coatings is the biggest, which indicates that the biocompatibility and bioactivity of gradient bioceramic coating is the best. The biocompatibility and bioactivity are closely related to the amount of HA and β-TCP catalyzed by La2O3.

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45

Masuda, Shingo, Yusuke Yoshihara, Kazuaki Muramatsu e Izumi Wakebe. "Repairing of Osteochondral Defects in Joint Using Beta-TCP/ Carboxymethyl Chitin Composite". Key Engineering Materials 284-286 (aprile 2005): 791–94. http://dx.doi.org/10.4028/www.scientific.net/kem.284-286.791.

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Abstract (sommario):

Beta-tricalcium phosphate/carboxymethyl chitin composites [TCP/CMCh] of various ratios of TCP granules and CMCh were made and their mechanical properties, handling properties and repair performance for bone defects and for osteochondral defects were investigated. Water pooling ratio of CMCh was approximately 40 times the weight itself. TCP/CMCh of a higher TCP ratio had higher stress at 50%-strain. The stress at 50%-strain of TCP/CMCh with 0, 2.5, 5.0, 7.5, 10 TCP ratios was 0.12, 0.51, 1.08, 1.46, 1.67 (MPa, n=5), respectively. The TCP/CMCh with 5.0 TCP ratios had the best total scores in handling tests. The bone repair rate of TCP/CMCh was TCP ratio 2.5< Blank= TCP ratio 7.5< TCP ratio 5.0. In the implantation test for osteochondral defects, TCP/CMCh was completely absorbed at four weeks after surgery. Regeneration of the articular cartilage was seen with TCP/CMCh and HA/CMCh but not with TCP granules, which remained eight weeks after implantation. The regenerated articular cartilage had remained 32 weeks after implantation. In conclusion, it was demonstrated that this TCP/CMCh composite was a promising material for repairing osteochondral defects.

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46

Lydiah Moraa Machora. "A survey of transmission control protocol variants". World Journal of Advanced Research and Reviews 21, n. 3 (30 marzo 2024): 1828–53. http://dx.doi.org/10.30574/wjarr.2024.21.3.0886.

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Abstract (sommario):

TCP (Transmission Control Protocol), is a reliable connection oriented end-to-end protocol. It contains within itself, mechanisms for ensuring reliability by requiring the receiver to acknowledge the segments that it receives. The network is not perfect and a small percentage of packets are lost enroute, either due to network error or due to the fact that there is congestion in the network and the routers are dropping packets. TCP ensures reliability by starting a timer whenever it sends a segment. If it does not receive an acknowledgement from the receiver within the ‘time-out’ interval then it retransmits the segment. In this paper a review of various TCP is carried out. There are a number of TCP variants for application in the management of network efficiency in terms of network congestion and transmission efficiency. These variants include: - TCP Tahoe, TCP Reno, TCP New Reno, TCP Vegas, TCP SACK, TCP FACK, TCP Asym, TCP RBP, Full TCP and TCP CUBIC. Therefore, the main objective of this paper is to study the tcp types on the network performance variances. All have different features and advantages but with maximal throughput as main objective, which are termed as the clones of TCP, have been incorporated into TCP/IP protocol for handling congestion efficiently in different network scenarios.

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47

Abhijith, Gopinathan R., e Avi Ostfeld. "Modeling the Formation and Propagation of 2,4,6-trichloroanisole, a Dominant Taste and Odor Compound, in Water Distribution Systems". Water 13, n. 5 (27 febbraio 2021): 638. http://dx.doi.org/10.3390/w13050638.

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Abstract (sommario):

2,4,6-trichloroanisole (2,4,6-TCA) formation is often reported as a cause of taste and odor (T&O) problems in water distribution systems (WDSs). The biosynthesis via microbial O-methylation of 2,4,6-trichlorophenol (2,4,6-TCP) is the dominant formation pathway in distribution pipes. This paper attempted to utilize the reported data on the microbial O-methylation process to formulate deterministic kinetic models for explaining 2,4,6-TCA formation dynamics in WDSs. The pipe material’s critical role in stimulating O-methyltransferases enzymatic activity and regulating 2,4,6-TCP bioconversion in water was established. The kinetic expressions formulated were later applied to develop a novel EPANET-MSX-based multi-species reactive-transport (MSRT) model. The effects of operating conditions and temperature in directing the microbiological, chemical, and organoleptic quality variations in WDSs were analyzed using the MSRT model on two benchmark systems. The simulation results specified chlorine application’s implication in maintaining 2,4,6-TCA levels within its perception limit (4 ng/L). In addition, the temperature sensitivity of O-methyltransferases enzymatic activity was described, and the effect of temperature increase from 10 to 25 °C in accelerating the 2,4,6-TCA formation rate in WDSs was explained. Controlling source water 2,4,6-TCP concentration by accepting appropriate treatment techniques was recommended as the primary strategy for regulating the T&O problems in WDSs.

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48

Li, Sheng-You, Ze-Kun Sun, Xue-Yi Zeng, Yue Zhang, Meng-Ling Wang, Sheng-Cao Hu, Jun-Rong Song et al. "Potent Cytotoxicity of Novel L-Shaped Ortho-Quinone Analogs through Inducing Apoptosis". Molecules 24, n. 22 (15 novembre 2019): 4138. http://dx.doi.org/10.3390/molecules24224138.

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Abstract (sommario):

Twenty-seven L-shaped ortho-quinone analogs were designed and synthesized using a one pot double-radical synthetic strategy followed by removing methyl at C-3 of the furan ring and introducing a diverse side chain at C-2 of the furan ring. The synthetic derivatives were investigated for their cytotoxicity activities against human leukemia cells K562, prostate cancer cells PC3, and melanoma cells WM9. Compounds TB1, TB3, TB4, TB6, TC1, TC3, TC5, TC9, TC11, TC12, TC14, TC15, TC16, and TC17 exhibited a better broad-spectrum cytotoxicity on three cancer cells. TB7 and TC7 selectively displayed potent inhibitory activities on leukemia cells K562 and prostate cancer cells PC3, respectively. Further studies indicated that TB3, TC1, TC3, TC7, and TC17 could significantly induce the apoptosis of PC3 cells. TC1 and TC17 significantly induced apoptosis of K562 cells. TC1, TC11, and TC14 induced significant apoptosis of WM9 cells. The structure-activity relationships evaluation showed that removing methyl at C-3 of the furan ring and introducing diverse side chains at C-2 of the furan ring is an effective strategy for improving the anticancer activity of L-shaped ortho-quinone analogs.

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49

Ajani, Emmanuel Kolawole, Olugbenga Orisasona, Oladeji Kazeem Kareem, Friday Elijah Osho, Aminat Omosalewa Adeyemo, Bamidele Oluwarotimi Omitoyin e Abimbola Olumide Adekanmbi. "Growth Performance, Gut Ecology, Immunocompetence and Resistance of Oreochromis niloticus Juveniles Fed Dietary Curcumin longa". Croatian Journal of Fisheries 78, n. 3 (1 settembre 2020): 145–56. http://dx.doi.org/10.2478/cjf-2020-0014.

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Abstract (sommario):

AbstractThe growth, gut ecology and immunocompetence of Oreochromis niloticus and the resistance to Aeromonas hydrophila were investigated after been fed with diets containing dietary Curcumin longa for 12 weeks. Diets were formulated to contain 30% crude protein with diet TC1, TC2, TC3, TC4 and TC5 having 0% (control), 0.25%, 0.5%, 0.75% and 1.0% turmeric powder, respectively. Diets were allotted to groups of O. niloticus (mean weight of 1.29± 0.15 g) and replicated thrice for 84 days. Results showed that the highest mean final weight (4.79±0.04 g) was obtained in TC3 and corresponded to the treatment with the highest feed intake. A significantly high (p<0.05) specific growth rate (SGR) was observed in TC3 (0.73±0.03 %day−1) while TC4 (0.57±0.02 %day−1) gave the lowest value. The highest microbial load in the gut was observed in TC1 groups and the least in TC4 groups. Red blood cell count, hemoglobin, packed cell volume did not show significant variation (p>0.05) across treatments. However, white blood cell (WBC) count was significantly higher in TC1 (control). There was an improved immunocompetence, as aspartate aminotransferase (AST) progressively reduces in fish fed supplements. Similarly, there was a better oxidative response in the treated groups with reduced hydrogen peroxidase, increased total protein and glutathione peroxidase. Mortality ranged from 25% in TC4 to 95% in TC1 after the challenge test with A. hydrophila. This study showed that C. longa inclusion at 0.5% is more beneficial when growth and health status of O. niloticus juveniles are considered.

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50

Suherman, Suherman, Ali Hanafiah Rambe, Norshakila Haris e Anhar Anhar. "Increasing transmission control protocol speed by reducing the acknowledgement collision probability". Indonesian Journal of Electrical Engineering and Computer Science 22, n. 1 (1 aprile 2021): 121. http://dx.doi.org/10.11591/ijeecs.v22.i1.pp121-128.

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Abstract (sommario):

Transmission control protocol (TCP) employs acknowledgement (TCP-ACK) for every transmitted packets to ensure reliable transmission. As a result, it sends the next window packets after receiving the TCP-ACK packet of previous window. This means that the earlier the TCP-ACK packet arrives, the faster the TCP next window transmission and the better the TCP performances. To do so, there should be a special treatment to the transmitted TCP-ACK to fasten next window transmission. This paper proposes a collision probability reduction for the transmitted TCP-ACK packets so that the overall TCP delay reduces. Collision probability reduction can be implemented in many ways. Initially, mathematical analysis is provided to prove that method can work as expected. The mathematic analysis shows that when TCP-ACK collision probability is reduced, the overall TCP delay is also reduced. The proposed method is then implemented in 802.11, 802.16 and complex networks. The NS-2 simulations evaluations for the aforementioned networks and the proposed method proved that collision reductions on TCP-ACK exert average TCP delay reductions about 11.86%, 28.04% and 9.46% subsequently<em>.</em>The proposed method is also applicable for other TCP types.

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