Zeitschriftenartikel: „ADN ZTGC“

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Goswami, Rupak, Riya Roy, Dipjyoti Gangopadhyay, Poulami Sen, Kalyan Roy, Sukamal Sarkar, Sanchayeeta Misra, Krishnendu Ray, Marta Monjardino und Mohammed Mainuddin. „Understanding Resource Recycling and Land Management to Upscale Zero-Tillage Potato Cultivation in the Coastal Indian Sundarbans“. Land 13, Nr. 1 (19.01.2024): 108. http://dx.doi.org/10.3390/land13010108.

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Upscaling sustainable intensification (SI) technologies is crucial to enhancing the resilience of fragile farming systems and vulnerable livelihoods of smallholder farmers. It is also critical to shape the future land-use and land-cover changes in a region. Zero-tillage potato cultivation (ZTPC), introduced as an SI intervention in parts of the Indian Sundarbans, has demonstrated promises of rapid upscaling, and thus, changes in the seasonal land-use pattern in the region. This study aims to understand the socioecological complexity of farming systems to comprehend how the nascent stage of ZTPC thrives at the farm level and what preconditions are necessary to upscale them. The objectives are to analyse the farm resource recycling pattern in ZTPC, and map and simulate its system’s complexity to strategize ZTPC upscaling in the region. The analysis of farm resource recycling data reveals that ZTPC stability hinges on managing trade-offs in resource allocations, specifically involving straw, organic manure, sweet water, and family labour. The decision to manage such trade-offs depends on farm type characterizations by their landholdings, distance from the homestead, pond, and cattle ownership, competing crops, and family composition. Using a semiquantitative systems model developed through fuzzy cognitive mapping, the study underscores the significance of effective training, input support, enterprise diversification by introducing livestock, timely tuber supply, access to critical irrigation, and capacity building of local institutions as the essential preconditions to sustain and upscale ZTPC. This research contributes a systems perspective to predict agricultural land use within technology transfer initiatives, providing insights into how farm- and extra-farm factors influence resource allocations for ZTPC. Public extension offices must understand the trade-offs associated with straw, organic matter, and harvested water and design differentiated supports for different farm types. The most compelling interventions to upscale ZTPC includes farm diversification by introducing livestock through institutional convergence, pragmatic agroforestry initiatives to enhance on-farm biomass and fuel production, building awareness and integrating alternative energy use to save straw and cow dung, building social capital to ensure access to sweet irrigation water, and developing and/or strengthening farmer collectives to ensure the supply of quality tuber and marketing of farm produce.

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Hartanto, Djoko, A. K. Indrawan, Ani Iryani, Afifah Rosyidah, A. I. Rozafia und A. R. Widyanto. „THE EFFECT OF DIFFERENT TYPES OF SOLVENTS ON MORPHOLOGY OF CARBON-MODIFIED TIO2/H-ZSM-5 COMPOSITE“. RASAYAN Journal of Chemistry 15, Nr. 04 (2022): 2879–84. http://dx.doi.org/10.31788/rjc.2022.1547013.

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This study aims to investigate the effects of different solvents (isopropanol, benzene, and toluene) on the synthesis of carbon-modified TiO2/H-ZSM-5 composites. Carbon-modified TiO2/H-ZSM-5 composites were characterized by FTIR, XRD, and SEM. XRD analysis revealed that the TiO2 peaks at 2 = 25.3, 37.8, and 48.2° had distinct characteristics. FTIR analysis revealed that I-ZTC, B-ZTC, and T-ZTC had comparable absorption bands to ZSM-5 at 3464, 1639, 1222, 1097, and 545 cm-1, respectively. Additionally, the FTIR data revealed that I-ZTC, B-ZTC, and T-ZTC all display absorption bands around the wavenumber 450 cm-1, indicating the Ti-O bond's stretching vibration. Additionally, SEM-EDX analysis revealed that Ti was more evenly distributed on the surface of T-ZTC than on the surfaces of B-ZTC and I-ZTC. It was shown that the solvent's polarity has an effect on TiO2 dispersion. A less polar solvent disperses TiO2 more effectively. In terms of TiO2 dispersion, toluene was the preferable solvent for the production of carbon-modified TiO2/H-ZSM-5.

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Lee, Jaeheon, Dongwon Ka, Heesoo Jung, Kyeongmin Cho, Youngho Jin und Minkun Kim. „UiO-66-NH2 and Zeolite-Templated Carbon Composites for the Degradation and Adsorption of Nerve Agents“. Molecules 26, Nr. 13 (23.06.2021): 3837. http://dx.doi.org/10.3390/molecules26133837.

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Composites of metal-organic frameworks and carbon materials have been suggested to be effective materials for the decomposition of chemical warfare agents. In this study, we synthesized UiO-66-NH2/zeolite-templated carbon (ZTC) composites for the adsorption and decomposition of the nerve agents sarin and soman. UiO-66-NH2/ZTC composites with good dispersion were prepared via a solvothermal method. Characterization studies showed that the composites had higher specific surface areas than pristine UiO-66-NH2, with broad pore size distributions centered at 1–2 nm. Owing to their porous nature, the UiO-66-NH2/ZTC composites could adsorb more water at 80% relative humidity. Among the UiO-66-NH2/ZTC composites, U0.8Z0.2 showed the best degradation performance. Characterization and gas adsorption studies revealed that beta-ZTC in U0.8Z0.2 provided additional adsorption and degradation sites for nerve agents. Among the investigated materials, including the pristine materials, U0.8Z0.2 also exhibited the best protection performance against the nerve agents. These results demonstrate that U0.8Z0.2 has the optimal composition for exploiting the degradation performance of pristine UiO-66-NH2 and the adsorption performance of pristine beta-ZTC.

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Wang, Jiuru, Zhiyuan Wang, Jingcheng Song und Hongyuan Cheng. „Attribute and User Trust Score-Based Zero Trust Access Control Model in IoV“. Electronics 12, Nr. 23 (29.11.2023): 4825. http://dx.doi.org/10.3390/electronics12234825.

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The Internet of Vehicles (IoV) is an innovative area of interest in modern mobility that is rapidly evolving while facing complex challenges. Traditional IoV networks are susceptible to intrusion threats, which can lead to data leakage and seizure of vehicle control by attackers, thereby endangering vehicle users’ privacy and personal safety. An Attribute and User Trust Score-based Zero Trust Access Control Model (AU-ZTAC) is proposed, combining the zero-trust and attribute-based access control models to meet network protection requirements while achieving fine-grained dynamic access control and incorporating trust evaluation in the access control process to better reflect users’ intent. Experimental results demonstrate the effectiveness and feasibility of trust assessment through the proposed model. A comparison with the classical schemes illustrates that AU-ZTAC allows for more flexible and fine-grained access control in complex access control environments while improving IoV security.

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Yang, Meng-Yin, Hsin-Huan Chang und Shao-Ching Chao. „CLINICAL AND RADIOLOGIC OUTCOMES OF TWO TYPES OF CAGES USED IN THE TREATMENT OF DEGENERATIVE LUMBAR DISEASES: NOVEL TITANIUM CAGES VERSUS PEEK CAGES“. Journal of Musculoskeletal Research 23, Nr. 01 (März 2020): 2050004. http://dx.doi.org/10.1142/s0218957720500049.

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Purpose: This study reports the clinical effects of [Formula: see text]-shaped titanium cages (ReBorn Essence Z-Brace cages) and compares the clinical outcomes between [Formula: see text]-shaped titanium cages (ZTC group) and polyetheretherketone cages (PEEK cages, PK group) for the application in transforaminal lumbar interbody fusion (TLIF). Methods: A retrospective and case control study with six patients using PEEK cages and four patients using ZTC was conducted. All patients underwent TLIF and had a 3-month follow-up. The Oswestry Disability Index (ODI) and Visual Analog Scale (VAS) were selected to assess the pain of low back and neurological status. The intervertebral disc height (DH) and segmental angle (SA) were also measured to estimate the radiological changes. At the 3-month follow-up, the fusion and subsidence rates were evaluated. Results: There was no significant difference between the two groups regarding the ODI and VAS scores. At the 3-month follow-up, the subsidence rates were 42% and 0% for the PK and ZTC groups, respectively; the bony fusion rates were 67% and 100% for the PK and ZTC groups, respectively. Conclusion: The study has indicated that both PEEK and [Formula: see text]-shaped titanium cages can be effective options used to treat degenerative disc disease (DDD). Moreover, the higher fusion and lower subsidence rates have revealed that [Formula: see text]-shaped titanium cages may be a better choice compared to PEEK cages for lumbar reconstruction after TLIF.

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Sathishkumar, M., J. G. Choi, C. S. Ku, K. Vijayaraghavan, A. R. Binupriya und S. E. Yun. „Carbaryl Sorption by Porogen-Treated Banana Pith Carbon“. Adsorption Science & Technology 26, Nr. 9 (November 2008): 679–86. http://dx.doi.org/10.1260/026361708788251367.

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This paper reports the adsorption ability of banana pith activated carbon, with ZnCl2 as the porogen, towards carbaryl (1-naphthyl- N-methylcarbamate) from aqueous solution. The pH-edge experiments revealed that carbaryl adsorption onto ZnCl2-treated banana pith activated carbon (ZTC) was a pH-dependent process with maximum adsorption occurring at pH 11. The adsorption isotherm obtained at pH 11 revealed that ZTC possessed a maximum adsorption capacity of 45.9 mg/g. The adsorption isotherms were well described by the Langmuir and Freundlich models. The kinetic data obtained at different initial carbaryl concentrations were modelled using pseudo-first- and -second-order models. Acetone successfully desorbed carbaryl with a 99.8% elution efficiency.

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Camillo, Luciano Mendes, Marcos Paulo Braga de Lima, Marco Aurélio Pinhel Peixoto, Marcello Marcelino Correa und Salvador Pinillos Gimenez. „Zero Temperature Coefficient behavior for Ellipsoidal MOSFET“. Journal of Integrated Circuits and Systems 15, Nr. 2 (23.08.2020): 1–5. http://dx.doi.org/10.29292/jics.v15i2.166.

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The zero temperature coefficient (ZTC) is investigated by three-dimensional numerical simulations in the Metal-Oxide-Semiconductor (MOS) Field Effect Transistor (MOSFET) with the ellipsoidal (EM) and conventional rectangular gate geometries (CM), considering the same channel widths (W), gate areas (Ag) and bias condition (BC). In this work an improved simple model which predicts the ZTC point taking into account only the mobility degradation factor (c) and threshold voltage (Vth) parameters as function of temperature is proposed in the linear and saturation operation regions. The analysis takes into account the temperature variations of the threshold voltage and the mobility degradation factor. Although simple, the model predictions present a good agreement with the numerical simulations results.

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Teng, Chunlin, Yi Han, Guangying Fu, Jibo Hu, Haibing Zheng, Xihong Lu und Jiuxing Jiang. „Isostatic pressure-assisted nanocasting preparation of zeolite templated carbon for high-performance and ultrahigh rate capability supercapacitors“. Journal of Materials Chemistry A 6, Nr. 39 (2018): 18938–47. http://dx.doi.org/10.1039/c8ta05726e.

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Dura, Alina Marilena, Daniela Simina Stefan, Florentina Laura Chiriac, Roxana Trusca, Adrian Ionut Nicoara und Mircea Stefan. „Clinoptilolite—A Sustainable Material for the Removal of Bisphenol A from Water“. Sustainability 15, Nr. 17 (04.09.2023): 13253. http://dx.doi.org/10.3390/su151713253.

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Bisphenol A is a remarkable chemical compound as it has many applications, mainly in the plastics industry, but it also has toxic effects on the environment and human health. This article presents a comparative study regarding the adsorption of BPA on Active carbon and zeolitic tuff, ZTC. In this paper, the characterization of the zeolitic tuff, adsorbent, was carried out from an elemental and mineralogical point of view, and it noted the pore size and elemental distribution, using SEM, EDAX, and XRD analysis. The pore size varies from 30 nm to 10 µm, the atomic ratio is Si/Al ≥ 4, and 80% of the mineralogical composition represents Ca Clinoptilolite zeolites and Ca Clinoptilolite zeolites ((Na1.32K1.28Ca1.72Mg0.52) (Al6.77Si29.23O72)(H2O)26.84). Moreover, a comparative study of the adsorption capacity of bisphenol A, using synthetic solutions on an activated carbon type—Norit GAC 830 W, GAC—as well as on Clinoptilolite-type zeolitic tuff—ZTC, was carried out. The experiments were carried out at a temperature of 20 °C, a pH of 4.11, 6.98, and 8.12, and the ionic strength was assured using 0.01 M and 0.1 M of KCl. The adsorption capacities of GAC and ZTC were 115 mg/g and 50 mg/g, respectively, at an 8.12 pH, and an ionic strength of 0 M. The Langmuir mathematical model best describes the adsorption equilibrium of BPA. The maximum adsorption capacity for both adsorbents increased with an increasing pH, and it decreased with increasing ionic strength.

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Toledo, Pedro, Hamilton Klimach, David Cordova, Sergio Bampi und Eric Fabris. „MOSFET ZTC Condition Analysis for a Self-biased Current Reference Design“. Journal of Integrated Circuits and Systems 10, Nr. 2 (28.12.2015): 103–12. http://dx.doi.org/10.29292/jics.v10i2.411.

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In this paper a self-biased current reference based on Metal-Oxide-Semiconductor Field Effect Transistor (MOSFET) Zero Temperature Coefficient (ZTC) condition is proposed. It can be implemented in any Complementary Metal-Oxide-Semiconductor (CMOS) fabrication process and provides another alternative to design current references. In order to support the circuit design, ZTC condition is analyzed using a MOSFET model that is continuous from weak to strong inversion, showing that this condition always occurs from moderate to strong inversion in any CMOS process. The proposed topology was designed in a 180 nm process, operates with a supply voltage from 1.4V to 1.8 V and occupies around 0.010mm2 of silicon area. From circuit simulations our reference showed a temperature coefficient (TC) of 15 ppm/oC from -40 to +85oC, and a fabrication process sensitivity of σ/μ = 4.5% for the current reference, including average process and local mismatch variability analysis. The simulated power supply sensitivity is estimated around 1%/V.

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ARIPONNAMMAL, S., R. SELVA VENNILA, S. RADHIKA und P. M. USHASREE. „HIGH PRESSURE ELECTRICAL RESISTIVITY STUDY ON NONLINEAR SINGLE CRYSTAL ZINC THIOUREA CHLORIDE“. Modern Physics Letters B 21, Nr. 11 (10.05.2007): 675–78. http://dx.doi.org/10.1142/s0217984907012918.

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Zinc thiourea chloride (ZTC) crystals were crystallized by slow evaporation technique. The lattice parameters of the grown crystals were determined by angle dispersive X-ray powder diffraction technique (XRD) and the structure was confirmed. High pressure electrical resistivity study was carried out on this crystal and the results are reported here.

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Prijić, Z., Z. Pavlović, S. Ristić und N. Stojadinović. „Zero-temperature-coefficient (ZTC) biasing of power VDMOS transistors“. Electronics Letters 29, Nr. 5 (1993): 435. http://dx.doi.org/10.1049/el:19930291.

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Toledo, Pedro, David Cordova, Hamilton Klimach, Sergio Bampi und Paolo S. Crovetti. „A 0.3–1.2 V Schottky-Based CMOS ZTC Voltage Reference“. IEEE Transactions on Circuits and Systems II: Express Briefs 66, Nr. 10 (Oktober 2019): 1663–67. http://dx.doi.org/10.1109/tcsii.2019.2932281.

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Nakashima, Yuna, Taku Matsushita, Mitsunori Hieda, Nobuo Wada, Hirotomo Nishihara und Takashi Kyotani. „Phase Diagram of 4He Film in 3D Nanopores of ZTC“. Journal of Low Temperature Physics 162, Nr. 5-6 (22.12.2010): 565–72. http://dx.doi.org/10.1007/s10909-010-0321-1.

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Togliatti, Elena, Maria Grimaldi, Olimpia Pitirollo, Antonella Cavazza, Diego Pugliese, Daniel Milanese und Corrado Sciancalepore. „Design of Mechanical Properties of Poly(butylene-adipate-terephthalate) Reinforced with Zein-TiO2 Complex“. Material Design & Processing Communications 2022 (20.07.2022): 1–10. http://dx.doi.org/10.1155/2022/6496985.

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Mechanical properties of polymer biocomposites are influenced by the interaction between the matrix and the filler surface. In this work, composites based on poly(butylene-adipate-terephthalate) (PBAT) filled with micrometric particles of zein-TiO2 complex (ZTC) were realized via solvent casting technique at different concentrations, equal to 0, 5, 10, and 20 wt%. After pelletization, the resulting materials were injection molded into standard specimens, employed for the uniaxial tensile test (UTT) characterization. From the stress-strain curves, Young’s modulus ( E ), yield stress ( σ y ), stress at break ( σ B ), elongation at break ( ε B ), and toughness ( T ) were collected. The addition of the ZTC proved to show a reinforcing effect on the polymeric matrix, with an increase in both E and σ y . Modelling of the mechanical properties was performed by applying Kerner’s and Pukánszky’s equations. Kerner’s model, applied on experimental E values, returned a very good correspondence between collected and theoretical values. From the application of Pukánszky’s model to σ y , the obtained B value showed a good interfacial interaction between the matrix and the filler. Due to the enhanced stiffness of the composites, a reduction in the true stress at break ( σ T , B ) was observed. The modified Pukánszky’s model gave a B value lower than the one obtained for the yield, but still in the range of acceptable values for microcomposites.

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Gentinne, B., J. P. Colinge und J. P. Eggermont. „Performances of SOI CMOS OTA combining ZTC and gain-boosting techniques“. Electronics Letters 31, Nr. 24 (23.11.1995): 2092–93. http://dx.doi.org/10.1049/el:19951418.

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Camillo, Luciano Mendes, João Antonio Martino, Eddy Simoen und Cor Claeys. „Investigation of the Gate Length and Drain Bias Dependence of the ZTC Biasing Point Instability of N- and P-Channel PD SOI MOSFETs“. Journal of Integrated Circuits and Systems 4, Nr. 2 (21.11.2009): 61–66. http://dx.doi.org/10.29292/jics.v4i2.299.

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This paper presents an analysis of the instability of the Zero Temperature Coefficient (ZTC) as a function of the gate length and drain bias for partially depleted SOI MOSFETs operating at high temperatures (from room temperature up to 573K). The study takes into account temperature dependent model parameters such as threshold voltage and channel mobility. The analytical predictions are in very close agreement with experimental results in spite of the simplifications used for the VZTC model as a function of temperature in the linear and the saturation regime.

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Balu, T., T. R. Rajasekaran und P. Murugakoothan. „Nucleation studies of ZTC doped with l-arginine in supersaturated aqueous solutions“. Physica B: Condensed Matter 404, Nr. 12-13 (Juni 2009): 1813–18. http://dx.doi.org/10.1016/j.physb.2009.02.034.

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Ramteke, S. P., Mohd Anis, M. S. Pandian, S. Kalainathan, M. I. Baig, P. Ramasamy und G. G. Muley. „Nonlinear optical and microscopic analysis of Cu2+ doped zinc thiourea chloride (ZTC) monocrystal“. Optics & Laser Technology 99 (Februar 2018): 197–202. http://dx.doi.org/10.1016/j.optlastec.2017.09.003.

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Calienes, W. E., Y. Q. de Aguiar, C. Meinhardt, A. Vladimirescu und R. Reis. „Evaluation of heavy-ion impact in bulk and FDSOI devices under ZTC condition“. Microelectronics Reliability 76-77 (September 2017): 655–59. http://dx.doi.org/10.1016/j.microrel.2017.06.063.

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Wenger, Yannick, und Bernd Meinerzhagen. „Low-Voltage Current and Voltage Reference Design Based on the MOSFET ZTC Effect“. IEEE Transactions on Circuits and Systems I: Regular Papers 66, Nr. 9 (September 2019): 3445–56. http://dx.doi.org/10.1109/tcsi.2019.2925266.

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Ruby Nirmala, L., und J. Thomas Joseph Prakash. „Habit modification of bis-thiourea zinc chloride (ZTC) semi organic crystals by impurities“. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 110 (Juni 2013): 249–54. http://dx.doi.org/10.1016/j.saa.2013.03.050.

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Doria, Rodrigo T., Renan D. Trevisoli, Michelly De Souza und Marcelo Antonio Pavanello. „Impact of the Series Resistance in the I-V Characteristics of Junctionless Nanowire Transistors and its dependence on the Temperature“. Journal of Integrated Circuits and Systems 7, Nr. 2 (27.12.2012): 121–29. http://dx.doi.org/10.29292/jics.v7i2.364.

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The effect of the source/drain parasitic resistance (RS) on the I-V characteristics of Junctionless Nanowire Transistors (JNTs) has been evaluated through experimental and simulated data. The impact of several parameters such as the temperature, the fin width, the total doping concentration, the source/drain length and the source/drain doping concentration on RS has been addressed. The source/drain parasitic resistance presented by JNTs was compared to the one presented by classical inversion mode (IM) triple gate devices, showing opposite behavior with the temperature variation in IM triple transistors and JNTs. In the latter, a reduction on RS is noted with the temperature increase, which is related to the incomplete ionization. This effect inhibits the presence of a Zero Temperature Coefficient (ZTC) operation bias in the Junctionless devices.

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García Cozzi, R., E. Redín, M. Garcia–Inza, L. Sambuco Salomone, A. Faigón und S. Carbonetto. „Influence of Interface Traps on MOSFET thermal coefficients and its effects on the ZTC current“. Microelectronics Reliability 137 (Oktober 2022): 114752. http://dx.doi.org/10.1016/j.microrel.2022.114752.

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Song, Fenhong, Ruifeng Chen, Jiaming Ma, Xiwu Zhang und Jing Fan. „Molecular dynamic study on the transport properties of ionic liquids in ZTC porous carbon materials“. Journal of Energy Storage 75 (Januar 2024): 109726. http://dx.doi.org/10.1016/j.est.2023.109726.

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Simoen, Eddy, Carlos H. S. Coelho, Vanessa C. P. da Silva, João A. Martino, Paula Ghedini Der Agopian, Alberto Oliveira, Bogdan Cretu und Anabela Veloso. „Performance Perspective of Gate-All-Around Double Nanosheet CMOS Beyond High-Speed Logic Applications“. Journal of Integrated Circuits and Systems 17, Nr. 2 (17.09.2022): 1–9. http://dx.doi.org/10.29292/jics.v17i2.617.

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In this review paper, the performance characteristics of Gate-All-Around (GAA) double nanosheet (NS) MOSFETs are described over a broad temperature range, from 78 K to 473 K (200 oC). Emphasis is on the analog operation, showing good potential. Besides the transistor length, the impact of the metal gate Effective Work Function and the vertical distance between the nanosheets has been studied. Among others, a clear Zero Temperature Coefficient (ZTC) gate voltage has been observed that can be modeled by considering the shift with temperature of the threshold voltage and the maximum transconductance. A trade-off has been noticed between the transistor efficiency and the unit gain frequency, whereby the optimal operation point occurs in strong inversion regime. The feasibility of designing simple analog circuits has also been demonstrated. Finally, a detailed investigation of the low-frequency noise behavior yields good values for the flicker noise Power Spectral Density in comparison with other technology nodes.

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Kalra, Shruti, und A. B. Bhattacharyya. „An Analytical Study Of Temperature Dependence of Scaled CMOS Digital Circuits Using α-Power MOSFET Model“. Journal of Integrated Circuits and Systems 11, Nr. 1 (28.12.2016): 57–68. http://dx.doi.org/10.29292/jics.v11i1.430.

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Aggressive technological scaling continues to drive ultra-large-scale-integrated chips to higher clock speed. This causes large power consumption leading to considerable thermal generation and on-chip temperature gradient. Though much of the research has been focused on low power design, thermal issues still persist and need attention for enhanced integrated circuit reliability. The present paper outlines a methodology for a first hand estimating effect of temperature on basic CMOS building blocks at ultra deep submicron technology nodes utilizing modified α-power law based MOSFET model. The generalized α-power model is further applied for calculating Zero Temperature Coefficient (ZTC) point that provides temperature-independent operation of high performance and low power digital circuits without the use of conditioning circuits. The performance of basic digital circuits such as Inverter, NAND, NOR and XOR gate has been analyzed and results are compared with BSIM4 with respect to temperature up to 32nm technology node. The error lies within an acceptable range of 5-10%.

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Papanikolaou, Georgia, Paola Lanzafame, Siglinda Perathoner, Gabriele Centi, Daniela Cozza, Gianfranco Giorgianni, Massimo Migliori und Girolamo Giordano. „High performance of Au/ZTC based catalysts for the selective oxidation of bio-derivative furfural to 2-furoic acid“. Catalysis Communications 149 (Januar 2021): 106234. http://dx.doi.org/10.1016/j.catcom.2020.106234.

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Anis, Mohd, R. N. Shaikh, M. D. Shirsat und S. S. Hussaini. „Investigation of optical and electrical properties of l-Cystein doped zinc thiourea chloride (ZTC) crystal for nonlinear optical (NLO) applications“. Optics & Laser Technology 60 (August 2014): 124–29. http://dx.doi.org/10.1016/j.optlastec.2014.01.011.

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Anis, Mohd, M. I. Baig, G. G. Muley, S. AlFaify und M. Ajmal Khan. „Impact of increasing concentration of l-alanine environment on structural, UV–vis, SHG efficiency, luminescence and dielectric traits of zinc thiourea chloride (ZTC) crystal“. Optik 185 (Mai 2019): 317–24. http://dx.doi.org/10.1016/j.ijleo.2019.03.081.

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Czernecki, Dariusz, Frédéric Bonhomme, Pierre-Alexandre Kaminski und Marc Delarue. „Characterization of a triad of genes in cyanophage S-2L sufficient to replace adenine by 2-aminoadenine in bacterial DNA“. Nature Communications 12, Nr. 1 (05.08.2021). http://dx.doi.org/10.1038/s41467-021-25064-x.

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AbstractCyanophage S-2L is known to profoundly alter the biophysical properties of its DNA by replacing all adenines (A) with 2-aminoadenines (Z), which still pair with thymines but with a triple hydrogen bond. It was recently demonstrated that a homologue of adenylosuccinate synthetase (PurZ) and a dATP triphosphohydrolase (DatZ) are two important pieces of the metabolism of 2-aminoadenine, participating in the synthesis of ZTGC-DNA. Here, we determine that S-2L PurZ can use either dATP or ATP as a source of energy, thereby also depleting the pool of nucleotides in dATP. Furthermore, we identify a conserved gene (mazZ) located between purZ and datZ genes in S-2L and related phage genomes. We show that it encodes a (d)GTP-specific diphosphohydrolase, thereby providing the substrate of PurZ in the 2-aminoadenine synthesis pathway. High-resolution crystal structures of S-2L PurZ and MazZ with their respective substrates provide a rationale for their specificities. The Z-cluster made of these three genes – datZ, mazZ and purZ – was expressed in E. coli, resulting in a successful incorporation of 2-aminoadenine in the bacterial chromosomal and plasmidic DNA. This work opens the possibility to study synthetic organisms containing ZTGC-DNA.

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Zhi-Jie Qin, Hui-Qing Zhang, Guang-Ping Zhang, Jun-Feng Ren, Chuan-Kui Wang, Gui-Chao Hu und Shuai Qiu. „Theoretical study of introducing spin into nonmagnetic graphene-based single-molecule junction by edge modifications“. Acta Physica Sinica, 2023, 0. http://dx.doi.org/10.7498/aps.72.20230267.

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Injecting spins into nonmagnetic molecular devices has attracted much attention in molecular spintronics. Herein, we propose a novel strategy to introduce magnetism into a single benzene molecule coupled with two armchair graphene nanoribbons (AGNR) electrodes, where the ends of two AGNR electrodes are cut into zigzag-edge triangular graphenes (ZTGs). The spin-dependent transport properties of the molecular junction are investigated by using the density functional theory (DFT) combined with the non-equilibrium Green's function (NEGF) method. The analyses of the spin-dependent projected density of states and the net spin density distribution of the scattering region reveal that the intrinsic magnetism of the ZTGs is weakened due to spin transfer from ZTGs to AGNR electrodes and the benzene molecule. More interestingly, the attenuated intrinsic magnetism of the ZTGs can still contribute to a significant spin transport of the molecular junction. Transport calculations show that a large spin polarization of current nearly 90% is obtained in parallel spin configuration. However, the spin polarization of current is reversed in antiparallel spin configuration. Positive or negative tunneling magnetoresistance (TMR) can be modulated by bias voltage. A TMR up to 53% is obtained in the device. The results are further analyzed from the transmission spectra and local density of states. This work presents a promising application potential of the ZTGs in the field of molecular spintronics, which could bring new freedom for the design of graphene nanoribbons based molecular spintronic devices.

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Adeniyi, Bolanle, Abimbola Adesuyi, Funmilola Ayeni, Temitope Ogunbanwo und Taiwo Agidigbi. „Poultry Gastrointestinal-derived Lactic Acid Bacteria (pGIT-d-LAB) Inhibit Multiple Antibiotics Resistance Bacterial and Fungal Pathogens“. Avicenna Journal of Medical Biotechnology, 06.02.2024. http://dx.doi.org/10.18502/ajmb.v16i2.14862.

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Background: To develop a probiotic formulation for poultry feed, a few poultry gastrointestinal derived lactic acid bacteria (pGIT-d-LAB) were isolated from chicken intestinal specimens and in vitro experiment was performed to evaluate their efficacy as potential probiotic candidate. Methods: A total of 6 strains of LAB: Lactobacillus brevis (L. brevis), Lactobacillus acidophilus (L. acidophilus), Lactobacillus casei (L. casei), Pediococci spp, Lactobacillus fermentum (L. fermentum) and Lactobacillus plantarum (L. plantarum) were isolated and cultured for collection of Cell Free Supernatant (CFS). CFS collected was tested against pathogenic bacterial isolated from chicken feces as well as prevalent fungal pathogens, utilizing agar-well diffusion techniques. A preliminary investigation into the susceptibility of the pathogens to diverse antibiotics and antifungal drugs was conducted. Bacterial pathogens exhibiting resistance to a minimum of three classes of antibiotics were subsequently identified for pGIT-d-LAB CFS screening. Results: The observed results revealed that the CFS derived from the isolates exhibited varying degrees of growth inhibition against different pathogens. Among the tested pGIT-d-LAB isolates, L. acidophilus demonstrated the most prominent zone of inhibition, measuring 18 mm against Klebsiella pneumoniae ZTAC 1233. Notably, Citrobacter diversus ZTAC 1255 showed resistance to all tested pGIT-d-LAB. Quantification of the metabolites produced was performed, and peak production levels was determined. L. acidophilus produced the highest amount of lactic acid (1.789g/l), Pediococci spp. produced the highest amount of diacetyl and H202 (1.918g/l) (0.0025g/l) at 48 hr peak values respectively. Conclusion: The test isolates are potential probiotic candidates for controlling pathogens in poultry.

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Shi, Zhicheng, Chia-Fon Lee, Han Wu, Haiying Li, Yang Wu, Lu Zhang und Fushui Liu. „Visualization Research on Low-Temperature Ignition and Combustion Characteristics of Diesel/Gasoline Blends Under Cold-Start Conditions“. Journal of Engineering for Gas Turbines and Power 142, Nr. 6 (29.05.2020). http://dx.doi.org/10.1115/1.4047181.

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Abstract Although engines fueled with diesel/gasoline blends show excellent combustion and emission performance, its low-temperature flame development characteristics under cold-start conditions remain to be further verified. To clarify the details, experiments were conducted in an optical constant volume combustion chamber using Mie-scattering and direct photography methods at different ambient temperatures. Results show that the ignition delay of pure diesel during spray combustion shows a zero temperature coefficient (ZTC) region, and the addition of gasoline weakens the ZTC behavior until it disappears. The cool flame initiates the ignition, and the hot flame tends to far from the base of the cool flame as the gasoline content increases. In addition, the addition of gasoline to diesel increases the ratio of cool flames because the high evaporation reduces the temperature in the mixing zone, so only cool flame occurs in the G45 blends. Consequently, the total flame intensity presents an order of magnitude decrease. At lower ambient temperatures, the addition of gasoline significantly increases ignition instability. It is difficult to convert a cool flame into a hot flame due to the inhomogeneity of temperature and species field, which results in various unstable ignition phenomena, such as a short flash cool flame and intermittent cool and hot flame. Therefore, it is essential to directly target the cool flame and pay attention to the intrinsic mechanism of the evolution from the cool flame to the hot flame during the spray combustion process.

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Xu, Lida, Linchun Gao, Tao Ni, Juanjuan Wang, Shanshan Zhao, Haoyi Zhang, Yifan Li et al. „Study on low rate of change characteristics of saturation output current of 28nm UTBB FDSOI at 300°C high-temperature“. Journal of Physics D: Applied Physics, 18.01.2023. http://dx.doi.org/10.1088/1361-6463/acb449.

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Abstract Partially-depleted silicon-on-insulator (PDSOI) MOSFETs with full dielectric isolation structure are widely used in the high temperature field of 225 ℃, but affected by the threshold voltage and carrier mobility, the saturated output current has a rate of change as high as 24.9% at 25~300 ℃, which will reduce the working speed and accuracy of the analog circuit. This paper studies the high temperature output current characteristics of ultra-thin body and buried oxide (UTBB) fully-depleted silicon-on-insulator (FDSOI) MOSFETs with the 28 nm low voltage threshold (LVT) structure. The experimental results show that when the gate voltage of the device is constant, the saturation current change of 28 nm short-channel FDSOI device is 1.93% in the temperature range from 25 ℃ to 300 ℃, which is 12.9 times more stable than that of 0.13 μm PDSOI device, 4.5 times and 8.4 times higher than that of 0.3 μm and 2 μm long-channel FDSOI device. When the gate voltage of the device drifts from the zero-temperature coefficient (ZTC) point by ±10% to ±20%, the output current change of the short-channel FDSOI device is still the lowest. It is proved by theory and simulation that the low temperature change rate of the carrier velocity of the short-channel FDSOI device is the main factor affecting the stability of the output current. From the analysis of the saturation current model and the ZTC operating point, reducing the gate operating voltage of the device or increasing the threshold voltage of the device can further improve the stability of the output current at high temperatures. The research in this paper proves that the 28nm UTBB FDSOI device has good high temperature saturation current stability, which can well meet the output current stability requirements of high temperature analog circuits.

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Al-Asbahi, Bandar Ali, Arwa Alanezi, Nassar Asemi, Saif Qaid und Mohamed S. AlSalhi. „Influence of ZnO/TiO2 nanocomposite on optical and structural properties of OC1C10–PPV–DMP thin film“. Physica Scripta, 19.04.2023. http://dx.doi.org/10.1088/1402-4896/acce78.

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Abstract The photophysical properties of poly[2-methoxy-5-(3,7-dimethyl-octyloxy)-1,4-phenylenevinylene] – End capped with dimethylphenyl (DMP), OC1C10–PPV–DMP, were modified by incorporation various contents of the nanocomposites of both anatase TiO2 and wurtzite ZnO (ZTNCs). The solution blending method was employed to prepare the nanocomposite hybrids of OC1C10–PPV–DMP with ZTNCs before depositing them onto glass substrates. The optical parameters of the hybrid nanocomposite thin films were extracted from both absorption and photoluminescence spectra. XRD, FTIR, and FE-SEM revealed the good incorporation of ZTNC into the polymer matrix with the formation of a nanocomposite structure. By increasing the content of ZTNCs in the polymer matrix, the optical parameters of OC1C10–PPV–DMP such as energy band gap, energy tail, steepness parameter, and CIE chromatic coordinates were tuned. The incorporation of ZTNCs resulted in broadened and improved absorption and emission peaks of the polymer with a systematic shift for its corresponding maximum peaks. These unique findings are crucial for improving the performance of optoelectronic devices based on OC1C10–PPV–DMP/ZTNCs.

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Liu, Xifeng, Shan Liang, Wenju Liu und Ping Sun. „A 2.5 ppm/∘C voltage reference combining traditional BGR and ZTC MOSFET high-order curvature compensation“. IEEE Transactions on Circuits and Systems II: Express Briefs, 2020, 1. http://dx.doi.org/10.1109/tcsii.2020.3027768.

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„Conference Report : The 9th International Symposium on Linear Drives and Industry Applications (LDIA 2013) July 7-10, 2013, ZTG Zhejiang Hotel, Hangzhou, China“. IEEJ Transactions on Industry Applications 133, Nr. 11 (2013): NL11_4. http://dx.doi.org/10.1541/ieejias.133.nl11_4.

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Degrenne, Nicolas, Chihiro Kawahara und Stefan Mollov. „Prognostics Framework for Power Semiconductor IGBT Modules through Monitoring of the On-State Voltage“. Annual Conference of the PHM Society 11, Nr. 1 (22.09.2019). http://dx.doi.org/10.36001/phmconf.2019.v11i1.829.

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This paper presents a literature review and an overview of original contributions on diagnostic and prognostic technologies for IGBT power modules based on the monitoring of the on-state voltage (Von). First, different kinds of Von sensing circuits are discussed in terms of specifications, implementation, performance and cost. A low-cost and practical circuit is experimentally demonstrated. Then, a method is presented and evaluated for estimating wire-bond degradation. Wire-bond lift-off is the most common wear-out mechanism for industrial power semiconductor IGBT modules. It is effectively detected by measuring Von at the Zero Temperature Coefficient (ZTC) current value. Next, a method is presented to estimate the die temperature. Knowing the die temperature allows estimating the thermo-mechanical stress imposed to the wire-bonds. It is demonstrated to be feasible with ±3°C accuracy/precision using after careful calibration of Von as a Temperature Sensitive Electrical Parameter (TSEP). Finally, an algorithm is presented to process the information generated from the monitoring of Von and estimate the Remaining Useful Life (RUL). It considers Von evolution prior the first wire-bond lift-off and it combines both condition-based and damage accumulation based predictions. The major contribution of this paper is to present, for the first time, a complete framework for diagnostics and prognostics of power semi-conductor IGBT modules.

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