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Journal articles on the topic 'Molecular substrate process'

Author: Grafiati

Published: 4 June 2021

Last updated: 4 February 2022

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1

FAHRENDORF, SARAH, FRANK MATTHES, DANIEL E. BÜRGLER, et al. "STRUCTURAL INTEGRITY OF SINGLE BIS(PHTHALOCYANINATO)-NEODYMIUM(III) MOLECULES ON METAL SURFACES WITH DIFFERENT REACTIVITY." SPIN 04, no. 02 (2014): 1440007. http://dx.doi.org/10.1142/s2010324714400074.

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Magnetic molecules are auspicious candidates to act as functional units in molecular spintronics. Integrating molecules into a device environment providing mechanical support and electrical contacts requires their deposition as intact entities onto substrates. Thermal sublimation is a very clean deposition process that, however, thermally decomposes molecules of insufficient stability leading to the deposition of molecular fragments. Here, we show that the molecule-surface interaction of chemisorbed molecules affects the intramolecular bonding and can lead depending on the surface reactivity t

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Kladova, O. A., N. A. Kuznetsov, and O. S. Fedorova. "Thermodynamics of the DNA Repair Process by Endonuclease VIII." Acta Naturae 11, no. 1 (2019): 29–37. http://dx.doi.org/10.32607/20758251-2019-11-1-29-37.

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In the present work, a thermodynamic analysis of the interaction between endonuclease VIII (Endo VIII) and model DNA substrates containing damaged nucleotides, such as 5,6-dihydrouridine and 2-hydroxymethyl-3-hydroxytetrahydrofuran (F-site), was performed. The changes in the fluorescence intensity of the 1,3-diaza-2-oxophenoxazine (tCO) residue located in the complementary chain opposite to the specific site were recorded in the course of the enzyme-substrate interaction. The kinetics was analyzed by the stopped-flow method at different temperatures. The changes of standard Gibbs free energy,

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3

Huang, Jen Ching, Yi Chia Liao, Huail Siang Liu, and Fu Jen Cheng. "The Study on Deposition Process and Mechanical Properties of Deposited Cu Thin Films Using Molecular Dynamics." Advanced Materials Research 684 (April 2013): 37–41. http://dx.doi.org/10.4028/www.scientific.net/amr.684.37.

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This paper studies the deposition process and mechanical properties of Cu thin films deposited on single crystal copper substrates with various surface roughnesses by molecular dynamics (MD). In the effect of vacancy concentration (Cv) of substrate, the Young's modulus of sample decreased as the Cv of substrate increased but the adhesion force will increase as the Cv of substrate increases. The effect of substrate roughness on the peak intensity of crystal orientation has little. And the greater Cv of substrate, the surface roughness of the deposited thin film also increased. In the effect of

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Pizzone, Mattia, Maria Grazia Grimaldi, Antonino La Magna, et al. "Study of the Molecule Adsorption Process during the Molecular Doping." Nanomaterials 11, no. 8 (2021): 1899. http://dx.doi.org/10.3390/nano11081899.

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Molecular Doping (MD) involves the deposition of molecules, containing the dopant atoms and dissolved in liquid solutions, over the surface of a semiconductor before the drive-in step. The control on the characteristics of the final doped samples resides on the in-depth study of the molecule behaviour once deposited. It is already known that the molecules form a self-assembled monolayer over the surface of the sample, but little is known about the role and behaviour of possible multiple layers that could be deposited on it after extended deposition times. In this work, we investigate the molec

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5

Norton, Michael. "DESIGNED SELF-ORGANIZATION FOR MOLECULAR OPTOELECTRONIC SENSORS." International Journal of High Speed Electronics and Systems 17, no. 02 (2007): 311–26. http://dx.doi.org/10.1142/s0129156407004527.

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The convergence of terahertz spectroscopy and single molecule experimentation offers significant promise of enhancement in sensitivity and selectivity in molecular recognition, identification and quantitation germane to military and security applications. This paper provides a brief overview of the constraints set by single molecule recognition systems and reports the results of experiments which address fundamental barriers to the integration of large, patterned bio-compatible molecular opto-electronic systems with silicon based microelectronic systems. Central to this thrust is an approach i

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Wang, Shulong, Qian Zhang, Kai Yin, et al. "The Influence of Copper Substrates on Irradiation Effects of Graphene: A Molecular Dynamics Study." Materials 12, no. 2 (2019): 319. http://dx.doi.org/10.3390/ma12020319.

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In this paper, classical molecular dynamics simulations are conducted to study the graphene grown on copper substrates under ion beam irradiation, in which the emphasis is put on the influence copper substrate on a single graphene layer. It can be inferred that the actual transmission and distribution of kinetic energy from incident ion play important roles in irradiation-defects forming process together. The minimum value needed to generate defects in supported graphene is higher than 2.67 keV, which is almost twice the damage threshold as the suspended graphene sheet. This work indicates the

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Mouchlis, Varnavas D., Denis Bucher, J. Andrew McCammon, and Edward A. Dennis. "Membranes serve as allosteric activators of phospholipase A2, enabling it to extract, bind, and hydrolyze phospholipid substrates." Proceedings of the National Academy of Sciences 112, no. 6 (2015): E516—E525. http://dx.doi.org/10.1073/pnas.1424651112.

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Defining the molecular details and consequences of the association of water-soluble proteins with membranes is fundamental to understanding protein–lipid interactions and membrane functioning. Phospholipase A2(PLA2) enzymes, which catalyze the hydrolysis of phospholipid substrates that compose the membrane bilayers, provide the ideal system for studying protein–lipid interactions. Our study focuses on understanding the catalytic cycle of two different human PLA2s: the cytosolic Group IVA cPLA2and calcium-independent Group VIA iPLA2. Computer-aided techniques guided by deuterium exchange mass s

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Cheong, Wun Chet Davy, and Liang Chi Zhang. "Molecular Dynamics Simulation of Nano-Indentation of Carbon Coated Monocrystalline Silicon." Key Engineering Materials 312 (June 2006): 351–56. http://dx.doi.org/10.4028/www.scientific.net/kem.312.351.

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This paper presents the molecular dynamics (MD) simulation of nano-indentation of diamond-like carbon (DLC) coating on silicon substrates. It is found that the mechanisms of nanoindentation of coated systems on the nanometre scale defers considerably from the same process on the micrometre scale. The coating thickness affects the mechanisms of plastic deformation both in the coating and the substrate.

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Barrena, E., J. O. Ossó, F. Schreiber, M. Garriga, M. I. Alonso, and H. Dosch. "Self-organization of phthalocyanines on Al2O3 (1120) in aligned and ordered films." Journal of Materials Research 19, no. 7 (2004): 2061–67. http://dx.doi.org/10.1557/jmr.2004.0258.

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We studied the self-organization process of F16CuPc films (20–30 ML) on stepped Al2O3 (1120) substrates. X-ray diffraction measurements revealed a highly ordered layered structure with the molecules in a nearly upright configuration. The morphology, investigated by atomic force microscopy, consisted of long (several microns) and narrow (20–100 nm) needlelike terraces unidirectionally aligned along one of the main crystallographic directions of the Al2O3 (1120) surface. High resolution atomic force microscopy images revealed in-plane molecular order with the molecular stacking direction paralle

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Jomaa, Ahmad, Jack Iwanczyk, Julie Tran, and Joaquin Ortega. "Characterization of the Autocleavage Process of the Escherichia coli HtrA Protein: Implications for its Physiological Role." Journal of Bacteriology 191, no. 6 (2008): 1924–32. http://dx.doi.org/10.1128/jb.01187-08.

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ABSTRACT The Escherichia coli HtrA protein is a periplasmic protease/chaperone that is upregulated under stress conditions. The protease and chaperone activities of HtrA eliminate or refold damaged and unfolded proteins in the bacterial periplasm that are generated upon stress conditions. In the absence of substrates, HtrA oligomerizes into a hexameric cage, but binding of misfolded proteins transforms the hexamers into bigger 12-mer and 24-mer cages that encapsulate the substrates for degradation or refolding. HtrA also undergoes partial degradation as a consequence of self-cleavage of the ma

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11

Yamawaki, Yuuki, Tomoki Yufu, and Tamaki Kato. "The Effect of a Peptide Substrate Containing an Unnatural Branched Amino Acid on Chymotrypsin Activity." Processes 9, no. 2 (2021): 242. http://dx.doi.org/10.3390/pr9020242.

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7-Amino-4-methylcoumarin (AMC) is a low molecular weight fluorescent probe that can be attached to a peptide to enable the detection of specific proteases, such as chymotrypsin, expressed in certain diseases. Because this detection depends on the specificity of the protease toward the peptidyl AMC, the development of specific substrates is required. To investigate the specificity of chymotrypsin, peptidyl AMC compounds incorporating four different amino acid residues were prepared by liquid-phase synthesis. Two unnatural amino acids, 2-amino-4-ethylhexanoic acid (AEH) and cyclohexylalanine (Ch

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Peshnev, B. V., A. S. Filimonov, S. V. Baulin, O. S. Sledz, and N. Yu Asilova. "THE PYROCARBON FORMATION MECHANISM DURING THE HYDROCARBON PYROLYSIS PROCESS." Fine Chemical Technologies 12, no. 4 (2017): 36–42. http://dx.doi.org/10.32362/2410-6593-2017-12-4-36-42.

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Experimental results confirming the mechanism of pyrocarbon formation through the steps of high-molecular pyrolysis products forming in the gas phase are presented. Adsorption of high-molecular pyrolysis products on the active centers of the substrate localized at the boundaries of the contacts of its crystallites and their subsequent carbonization is confirmed. The decreasing in the length of the substrate crystallites contact boundaries leads to the increase in the content of high-molecular compounds in the gas and to the decrease in the hydrogen concentration is shown. The relation between

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Marimpul, Rinaldo. "Effect of substrate temperature on quality of copper film catalyst substrate: A Molecular Dynamics Study." Indonesian Journal of Science and Technology 2, no. 2 (2017): 183. http://dx.doi.org/10.17509/ijost.v2i2.7987.

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Copper film growth using thermal evaporation methods was studied using molecular dynamics simulations. The AlSiMgCuFe modified embedded atom method potential was used to describe interaction of Cu-Cu, Si-Si and Cu-Si atoms. Our results showed that the variations of substrate temperature affected crystal structure composition and surface roughness of the produced copper film catalyst substrate. In this study, we observed intermixing phenomenon after deposition process. The increasing of substrate temperature affected the increasing of the total silicon atoms had diffusion into copper film.

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14

HASSANI, A., A. MAKAN, K. SBIAAI, A. TABYAOUI, and A. HASNAOUI. "THE INFLUENCE OF THE SURFACE ORIENTATION ON THE MORPHOLOGY DURING HOMOEPITAXIAL GROWTH OF NICKEL BY MOLECULAR DYNAMICS SIMULATION." Surface Review and Letters 24, no. 02 (2017): 1750019. http://dx.doi.org/10.1142/s0218625x17500196.

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Homoepitaxial growth film for (001), (110) and (111) Ni substrates is investigated by means of molecular dynamics (MD) simulation. Embedded atom method (EAM) is considered to represent the interaction potential between nickel atoms. The simulation is performed at 300[Formula: see text]K using an incident energy of 0.06[Formula: see text]eV. In this study, the deposition process is performed periodically and the period, [Formula: see text], is relative to a perfect layer filling. The coverage rate of the actual expected level, [Formula: see text], can be considered a determinant for thin-film g

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15

Kim, Chan Il, Young Suk Kim, Sang Il Hyun, Seung Han Yang, Jun Young Park, and Kyoung Hoan Na. "Study on Nanolithography Process of Polycrystalline Copper Using Molecular Dynamic Simulation." Key Engineering Materials 340-341 (June 2007): 961–66. http://dx.doi.org/10.4028/www.scientific.net/kem.340-341.961.

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Molecular dynamics simulations are performed to verify the effect of grain boundary on nanolithography process. The model with about two hundred thousand copper (Cu) atoms is composed of two different crystal orientations of which contact surfaces are (101) and (001) planes. The grain boundary is located on the center of model and has 45 degreeangle in xz-plane. The tool is made of diamond-like-carbon with the shape of Berkovich indenter. As the tool is indented and plowed on the surface, dislocations are generated. Moreover, during the plowing process, the steps as well as the typical pile-up

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16

Shi, Ya-Rui, and Yu-Fang Liu. "Theoretical study on the charge transport and metallic conducting properties in organic complexes." Physical Chemistry Chemical Physics 21, no. 24 (2019): 13304–18. http://dx.doi.org/10.1039/c9cp02170a.

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The charge transfer process between substrate molecular and dopant always appears in doped organic semiconductors, so that molecular doping is a common method to improve the electrical properties by combining appropriate complexes of electron acceptor and donor molecules.

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17

Ren, Xiaohui, and Xin Li. "Flower-like Ag coated with molecularly imprinted polymers as a surface-enhanced Raman scattering substrate for the sensitive and selective detection of glibenclamide." Analytical Methods 12, no. 22 (2020): 2858–64. http://dx.doi.org/10.1039/d0ay00575d.

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The preparation and detection process of flower-like Ag@molecularly imprinted polymers (MIPs) as a surface-enhanced Raman scattering (SERS) sensor (A), and the molecular electrostatic potential (MEP) of template molecule and functional monomer (B).

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18

de la Escosura. "The Informational Substrate of Chemical Evolution: Implications for Abiogenesis." Life 9, no. 3 (2019): 66. http://dx.doi.org/10.3390/life9030066.

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A key aspect of biological evolution is the capacity of living systems to process information, coded in deoxyribonucleic acid (DNA), and used to direct how the cell works. The overall picture that emerges today from fields such as developmental, synthetic, and systems biology indicates that information processing in cells occurs through a hierarchy of genes regulating the activity of other genes through complex metabolic networks. There is an implicit semiotic character in this way of dealing with information, based on functional molecules that act as signs to achieve self-regulation of the wh

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19

Yang, Xiao Jing, and Xiao Jiang Yang. "Molecular Dynamics Simulation of Nanoscale Contact Process of Plane on Plane." Advanced Materials Research 662 (February 2013): 122–26. http://dx.doi.org/10.4028/www.scientific.net/amr.662.122.

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Considering the process of the plane of rectangular indenter contacting on the plane of rectangular basal body in nanoscale as research object, molecular dynamics method is used for modeling, solving and simulation analysis. The change of atomic state and acting force in the contact process of nanoscale plane and plane is analysis from atomic aspect. The result showed that: when the plane of the rectangular indenter is from the surface of the base body a certain distance, due to attractive force, produced by inter-atomic force, the surface of the substrate produces atoms projection phenomenon;

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20

Nakada, Masato, Yukihiro Fujikami, Masaharu Kawaguchi, Daigo Yamamoto, and Akihisa Shioi. "A molecular assembly that crawls on a solid substrate with a metabolic-like process." Molecular Systems Design & Engineering 1, no. 2 (2016): 208–15. http://dx.doi.org/10.1039/c5me00012b.

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21

Temitope Oyinbo, Sunday, and Tien-Chien Jen. "Molecular Dynamics Simulation of Dislocation Plasticity Mechanism of Nanoscale Ductile Materials in the Cold Gas Dynamic Spray Process." Coatings 10, no. 11 (2020): 1079. http://dx.doi.org/10.3390/coatings10111079.

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The dislocation plasticity of ductile materials in a dynamic process of cold gas spraying is a relatively new research topic. This paper offers an insight into the microstructure and dislocation mechanism of the coating using simulations of molecular dynamics (MD) because of the short MD simulation time scales. The nano-scale deposition of ductile materials onto a deformable copper substrate has been investigated in accordance with the material combination and impact velocities in the particle/substrate interfacial region. To examine the jetting mechanisms in a range of process parameters, rig

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22

Minamino, Tohru, and Robert M. Macnab. "Domain Structure of Salmonella FlhB, a Flagellar Export Component Responsible for Substrate Specificity Switching." Journal of Bacteriology 182, no. 17 (2000): 4906–14. http://dx.doi.org/10.1128/jb.182.17.4906-4914.2000.

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ABSTRACT We have investigated the properties of the cytoplasmic domain (FlhBC) of the 383-amino-acid Salmonellamembrane protein FlhB, a component of the type III flagellar export apparatus. FlhB, along with the hook-length control protein FliK, mediates the switching of export specificity from rod- and hook-type substrates to filament-type substrates during flagellar morphogenesis. Wild-type FlhBC was unstable (half-life, ca. 5 min), being specifically cleaved at Pro-270 into two polypeptides, FlhBCN and FlhBCC, which retained the ability to interact with each other after cleavage. Full-length

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Majone, M., M. Beccari, D. Dionisi, C. Levantesi, and V. Renzi. "Role of storage phenomena on removal of different substrates during pre-denitrification." Water Science and Technology 43, no. 3 (2001): 151–58. http://dx.doi.org/10.2166/wst.2001.0131.

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Removal mechanisms of different substrates during the pre-denitrification step of an anoxic/aerobic sequencing process are studied. Biomass was cultivated in an anoxic/aerobic SBR and fed with a mixture of low and high molecular weight compounds. Substrate removal mechanisms are studied by means of batch tests, performed under anoxic conditions. The dynamic response to a spike of four different substrates (acetate, glucose, glutamic acid and ethanol) is described by simultaneously considering substrate and electron acceptor removal, and PHB and carbohydrates storage. PHB storage is a relevant

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Alder, Rhiannon, Jungmi Hong, Edith Chow, et al. "Application of Plasma-Printed Paper-Based SERS Substrate for Cocaine Detection." Sensors 21, no. 3 (2021): 810. http://dx.doi.org/10.3390/s21030810.

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Surface-enhanced Raman spectroscopy (SERS) technology is an attractive method for the prompt and accurate on-site screening of illicit drugs. As portable Raman systems are available for on-site screening, the readiness of SERS technology for sensing applications is predominantly dependent on the accuracy, stability and cost-effectiveness of the SERS strip. An atmospheric-pressure plasma-assisted chemical deposition process that can deposit an even distribution of nanogold particles in a one-step process has been developed. The process was used to print a nanogold film on a paper-based substrat

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Lei, Yuping, Jie Sun, Changjun Yang, Kejian Deng, and Duoyuan Wang. "Preparation and properties of sulfur-containing tetraazaporphyrin iron supported on anion-exchange resin." Journal of Porphyrins and Phthalocyanines 09, no. 08 (2005): 537–43. http://dx.doi.org/10.1142/s1088424605000654.

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An anion-resin carrying the catalyst iron(II) tetra(1,4-dithin)porphyrazine, ( Fe (II) Pz ( dtn )4/resin), may effectively interact with the lone-pair electron of the sulfur in the Fe (II) Pz ( dtn )4 to keep the absorption for the catalyst molecule, which can efficiently activate molecular oxygen coordinated with iron(II) on the axial orientation of Fe (II) Pz ( dtn )4 through electron transfer in a heterogeneous process. On the other hand, the hydrophilic property of the resin also facilitates adsorption of the anion-substrates in the aqueous solution onto the unoccupied resin surface to inc

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Beynon, R. J., and J. S. Bond. "Catabolism of intracellular protein: molecular aspects." American Journal of Physiology-Cell Physiology 251, no. 2 (1986): C141—C152. http://dx.doi.org/10.1152/ajpcell.1986.251.2.c141.

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All living cells regulate the content and composition of their resident proteins, but the mechanisms by which this is accomplished are not understood. The process of protein degradation has an important role in determining steady state and fluctuations of protein concentrations in mammalian cells. This process may be regulated by innate properties of the protein substrates, by factors that interact or "brand" proteins for degradation or by the degradative machinery of the cell. For a specific protein, there appears to be a committed step, an irreversible event that leads to rapid and extensive

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Banci, L., I. Bertini, V. Calderone, et al. "Molecular recognition and substrate mimicry drive the electron-transfer process between MIA40 and ALR." Proceedings of the National Academy of Sciences 108, no. 12 (2011): 4811–16. http://dx.doi.org/10.1073/pnas.1014542108.

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Wei, Yu, Teng Xiao-Yun, Li Xiao-Wei, and Fu Guang-Sheng. "Process of Energetic Carbon Atom Deposition on Si (001) Substrate by Molecular Dynamics Simulation." Chinese Physics Letters 19, no. 4 (2002): 492–94. http://dx.doi.org/10.1088/0256-307x/19/4/313.

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Duan, Juan, Chuncai Hu, Jiafan Guo, Lianxian Guo, Jia Sun та Zuguo Zhao. "A molecular dynamics study of the complete binding process of meropenem to New Delhi metallo-β-lactamase 1". Physical Chemistry Chemical Physics 20, № 9 (2018): 6409–20. http://dx.doi.org/10.1039/c7cp07459j.

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Woellner, Cristiano Francisco, Pedro Alves da Silva Autreto, and Douglas S. Galvao. "One Side-Graphene Hydrogenation (Graphone): Substrate Effects." MRS Advances 1, no. 20 (2016): 1429–34. http://dx.doi.org/10.1557/adv.2016.196.

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ABSTRACTRecent studies on graphene hydrogenation processes showed that hydrogenation occurs via island growing domains, however how the substrate can affect the hydrogenation dynamics and/or pattern formation has not been yet properly investigated. In this work we have addressed these issues through fully atomistic reactive molecular dynamics simulations. We investigated the structural and dynamical aspects of the hydrogenation of graphene membranes (one-side hydrogenation, the so called graphone structure) on different substrates (graphene, few-layers graphene, graphite and platinum). Our res

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Yan, W., and K. Komvopoulos. "Three-Dimensional Molecular Dynamics Analysis of Atomic-Scale Indentation." Journal of Tribology 120, no. 2 (1998): 385–92. http://dx.doi.org/10.1115/1.2834438.

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The complete atomic-scale indentation cycle is analyzed using molecular dynamics simulations. A hysteresis is observed in the instantaneous normal force versus surface separation distance curve obtained with an atom or a rigid tip indenting and, subsequently, retracting from a dynamic face-centered-cubic substrate consisting of argon or copper. The generation of irreversible deformation in a Lennard-Jones solid is revealed in light of simulation results for indentation by a single atom. The direction of irreversible deformation is shown to coincide with that of macroscopic plastic flow. The co

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Sun, Jason. "Advanced substrate thinning process for GaAs-based devices." Journal of Micro/Nanolithography, MEMS, and MOEMS 10, no. 2 (2011): 023004. http://dx.doi.org/10.1117/1.3580755.

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Huber, Sylvia, Sabine Minnebusch, Stefan Wuertz, Peter A. Wilderer, and Brigitte Helmreich. "Impact of different substrates on biomass protein composition during wastewater treatment investigated by two-dimensional electrophoresis." Water Science and Technology 37, no. 4-5 (1998): 363–66. http://dx.doi.org/10.2166/wst.1998.0667.

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The influence of different influent substrates on biomass protein composition was examined by two-dimensional polyacrylamide gel electrophoresis (2D-PAGE). Activated sludge from six sequencing batch reactors (SBRs) was investigated; four reactors were fed with model substrates and two received effluents from a wood milling process and a paper production process, respectively. Our investigations showed that in 2D-PAGE complex substrates caused a less diverse protein pattern than model wastewater composed of simple and low molecular weight compounds. This may be caused by complex formation by hi

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Moustakas, Theodore D. "Molecular Beam Epitaxy: Thin Film Growth and Surface Studies." MRS Bulletin 13, no. 11 (1988): 29–36. http://dx.doi.org/10.1557/s0883769400063892.

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Molecular Beam Epitaxy (MBE) is a thin film deposition process in which thermal beams of atoms or molecules react on the clean surface of a single-crystalline substrate, held at high temperatures under ultrahigh vacuum conditions, to form an epitaxial film. Thus, contrary to the CVD processes described in the other articles, the MBE process is a physical method of thin film deposition.The vacuum requirements for the MBE process are typically better than 10−10torr. This makes it possible to grow epitaxial films with high purity and excellent crystal quality at relatively low substrate temperatu

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Hung, Y. M., Y. J. Lu, and C. K. Sung. "Microstructure patterning on glass substrate by imprinting process." Microelectronic Engineering 86, no. 4-6 (2009): 577–82. http://dx.doi.org/10.1016/j.mee.2009.02.015.

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Camargo, Nilce Svarcz Jungles de, Atsler Luana Lehun, Jonathan Rosa, and Ana Carolina de Deus Bueno-Krawczyk. "Colonization of benthic invertebrates on artificial and natural substrate in a Neotropical lotic environment in Southern Brazil." Acta Scientiarum. Biological Sciences 41 (December 6, 2019): e45872. http://dx.doi.org/10.4025/actascibiolsci.v41i1.45872.

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The objective of this research was to validate the colonization process on natural and artificial substrates by benthic invertebrates in a tropical stream in South Brazil. The samples were performed in July and August-2012, and 32 samplers were used, being 16 natural and 16 artificial substrates. In each sample, two replicas were taken for each substrate at the 2th, 4th, 7th, 14th, 21th 28th, 35th and 42th days of colonization. The organisms were identified to the lowest possible taxonomic level. In both substrates 3,070 benthic invertebrates were detected, of which 1,753 individuals were coll

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INOUE, Katsuhisa, You-Jun FEI, Lina ZHUANG, Elangovan GOPAL, Seiji MIYAUCHI, and Vadivel GANAPATHY. "Functional features and genomic organization of mouse NaCT, a sodium-coupled transporter for tricarboxylic acid cycle intermediates." Biochemical Journal 378, no. 3 (2004): 949–57. http://dx.doi.org/10.1042/bj20031261.

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In the present study, we report on the molecular cloning and functional characterization of mouse NaCT (Na+-coupled citrate transporter), the mouse orthologue of Drosophila Indy. Mouse NaCT consists of 572 amino acids and is highly similar to rat and human NaCTs in primary sequence. The mouse nact gene coding for the transporter is approx. 23 kb long and consists of 12 exons. When expressed in mammalian cells, the cloned transporter mediates the Na+-coupled transport of citrate and succinate. Competition experiments reveal that mouse NaCT also recognizes other tricarboxylic acid cycle intermed

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Horng, Ray-Hua, Ming-Chun Tseng, and Shui-Yang Lien. "Reliability Analysis of III-V Solar Cells Grown on Recycled GaAs Substrates and an Electroplated Nickel Substrate." International Journal of Photoenergy 2013 (2013): 1–9. http://dx.doi.org/10.1155/2013/108696.

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This study involved analyzing the reliability of two types of III-V solar cells: (1) III-V solar cells grown on new and recycled gallium arsenide (GaAs) substrates and (2) the III-V solar cells transferred onto an electroplated nickel (Ni) substrate as III-V thin-film solar cells by using a cross-shaped pattern epitaxial lift-off (CPELO) process. The III-V solar cells were grown on new and recycled GaAs substrates to evaluate the reliability of the substrate. The recycled GaAs substrate was fabricated by using the CPELO process. The performance of the solar cells grown on the recycled GaAs sub

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Fujinami, Akinori, Shigenobu Ogata, Yoji Shibutani, and Kenichi Yamamoto. "Molecular Orbital Study on Adsorption Process of Silica Cluster on Polyimide Surface." Materials Science Forum 502 (December 2005): 63–68. http://dx.doi.org/10.4028/www.scientific.net/msf.502.63.

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Process of a silica cluster on a polyimide surface was simulated by atomistic calculations combining the semi-empirical molecular orbital method and algorithms that can find the optimal path of a chemical bonding process. Specifically, we estimated the activation and sorption energies in the process. From the simulations, we found that chemical bonding occurs between a silica cluster and the polyimide substrate surface. In the adsorption processes, those reactions between the silica cluster and the polyimide surface which involve Si-O bonding between the cluster and the polyimide are the most

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Sukenik, Nir, Francesco Tassinari, Shira Yochelis, Oded Millo, Lech Tomasz Baczewski, and Yossi Paltiel. "Correlation between Ferromagnetic Layer Easy Axis and the Tilt Angle of Self Assembled Chiral Molecules." Molecules 25, no. 24 (2020): 6036. http://dx.doi.org/10.3390/molecules25246036.

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The spin–spin interactions between chiral molecules and ferromagnetic metals were found to be strongly affected by the chiral induced spin selectivity effect. Previous works unraveled two complementary phenomena: magnetization reorientation of ferromagnetic thin film upon adsorption of chiral molecules and different interaction rate of opposite enantiomers with a magnetic substrate. These phenomena were all observed when the easy axis of the ferromagnet was out of plane. In this work, the effects of the ferromagnetic easy axis direction, on both the chiral molecular monolayer tilt angle and th

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Rana, Fazale R., Suci Widayati, Brian W. Gregory, and Richard A. Dluhy. "Metastability in Monolayer Films Transferred onto Solid Substrates by the Langmuir-Blodgett Method: IR Evidence for Transfer-Induced Phase Transitions." Applied Spectroscopy 48, no. 10 (1994): 1196–203. http://dx.doi.org/10.1366/0003702944027309.

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The rate at which a monomolecular film is deposited onto a solid substrate in the Langmuir-Blodgett process of preparing supported monolayer films influences the final structure of the transferred film. Attenuated total reflectance infrared spectroscopic studies of monolayers transferred to germanium substrates show that the speed at which the substrate is drawn through the air/water interface influences the final conformation in the hydrocarbon chains of amphiphilic film molecules. This transfer-induced effect is especially evident when the monolayer is transferred from the expanded region of

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KAWAGISHI, Shunsuke, Jingxiang XU, Yusuke OOTANI, et al. "Effect of Polarity of a Substrate on ZnO Crystal Growth Process by Molecular Dynamics Simulation." Journal of Computer Chemistry, Japan 15, no. 6 (2016): 244–45. http://dx.doi.org/10.2477/jccj.2016-0056.

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Liu, Zhi Qiang, Jie Li, Nai Gen Zhou, and Jian Ning Wei. "Molecular Dynamics Simulation of Ni/Cu Epitaxial Thin Film Growth." Advanced Materials Research 320 (August 2011): 373–76. http://dx.doi.org/10.4028/www.scientific.net/amr.320.373.

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In this paper, the growth process of Ni deposited on the Cu() surface at 300K and 700K was simulated by molecular dynamics. The impact of the substrate temperature on the growth pattern and structure of thin film was investigated. The simulation results show that, at the higher substrate temperature, the surface of thin film is smoother and the growth pattern of thin film is two-dimensional layer, however, at the lower temperature, the growth mode of thin film is three-dimensional island.

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Cui, Dachao, Weitong Ren, Wenfei Li, and Wei Wang. "Molecular simulations of substrate release and coupled conformational motions in adenylate kinase." Journal of Theoretical and Computational Chemistry 15, no. 01 (2016): 1650004. http://dx.doi.org/10.1142/s0219633616500048.

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Conformational opening coupled substrate release is believed to be related to the rate limiting step in the catalysis cycle of the adenylate kinase. However, it is still unclear how the substrate dissociates from its active site and how the substrate release is coupled to conformational changes of the kinase. In this work, by using metadynamics simulations, we investigated the ADP release process and the coupled protein dynamics. We found that the ADP release involves overcoming a high free energy barrier, and protonation of the [Formula: see text]-phosphate of the ADP molecules can drasticall

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Lan, Hui Qing, Decai Li, and Si Wei Zhang. "Computer Simulations on Mechanical Properties of Molecular Deposition Film." Materials Science Forum 475-479 (January 2005): 3665–68. http://dx.doi.org/10.4028/www.scientific.net/msf.475-479.3665.

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The mechanical properties of the molecular deposition film deposited on an Au substrate are studied in the theory for the first time. Firstly, the quantum mechanics have been used to calculate the structure parameters and potential parameters of the molecular deposition film. Secondly, molecular dynamics simulations have been used to study indent process of the molecular deposition film with the action of Au tip. The results showed that an obvious jump to contact appears during the Au tip approaches the molecular deposition film; furthermore, the tilt angle and load of the molecules near the t

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Malama, Terence, Agripa Hamweendo, and Ionel Botef. "Molecular Dynamics Simulation of Ti and Ni Particles on Ti Substrate in the Cold Gas Dynamic Spray (CGDS) Process." Materials Science Forum 828-829 (August 2015): 453–60. http://dx.doi.org/10.4028/www.scientific.net/msf.828-829.453.

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This paper presents simulation of molecular dynamics for the deposition of Titanium (Ti) and Nickel (Ni) particles on Ti substrate during Cold Gas Dynamic Spray (CGDS) process. The influencing factors of the deposition process, such as particle incident velocity, particle size and particle temperature are taken into consideration. Ti and Ni were selected because of their potential applications in the aerospace, marine and bio-medical industries. CGDS is preferred because it is a state of the art technique by which coatings are created without significant heating of the sprayed powder. In CGDS,

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Montgomery, G. P., and B. C. Lu. "Involvement of Coprinus endonuclease in preparing substrate for in vitro recombination." Genome 33, no. 1 (1990): 101–8. http://dx.doi.org/10.1139/g90-016.

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A functional recombination assay involving the tetracycline mutant plasmids, pUW1 and pUW4, was used to assess (i) the nature of the DNA substrates needed and (ii) the involvement of Coprinus endonuclease in preparing substrate, for the RecA-directed recombination process. A gapped circular plasmid and a linear or a nicked circular plasmid are efficient substrate combinations in this system to achieve a 160-fold increase in the in vitro recombination frequency over the control levels. The Coprinus endonuclease obtained from early meiotic prophase can produce such substrates. The recombination

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Kozlowski, Marisa C., and James C. Ianni. "Quantum molecular interaction field models of substrate enantioselection in asymmetric processes☆." Journal of Molecular Catalysis A: Chemical 324, no. 1-2 (2010): 141–45. http://dx.doi.org/10.1016/j.molcata.2010.03.030.

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ABDULLAH, IBTISAM YAHYA, MUHAMMAD YAHAYA, MOHAMMAD HAFIZUDDIN HJ JUMALI, and HAIDER MOHAMMED SHANSHOOL. "INFLUENCE OF THE SUBSTRATE ON THE CRYSTALLINE PHASE AND MORPHOLOGY OF POLY (VINYLIDENE FLUORIDE) (PVDF) THIN FILM." Surface Review and Letters 23, no. 03 (2016): 1650005. http://dx.doi.org/10.1142/s0218625x16500050.

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The effect of substrate on the crystalline phase and morphology of the poly (vinylidene fluoride) (PVDF) thin film has been investigated. The solution of PVDF/Hexamethyl phosphoramide (HMPA) was deposited on four different substrates, namely, silicon (Si), glass (SiO2), indium tin oxide (ITO) coated glass and silver (Ag) coated glass respectively by using the spin coating technique. The crystalline structure was investigated using X-ray diffraction (XRD) and Fourier transform infrared (FTIR) techniques. The morphology was determined using scanning electron microscopy (SEM). XRD demonstrated th

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Shubina, Tatyana E., and Timothy Clark. "Catalysis of the Quadricyclane to Norbornadiene Rearrangement by SnCl2 and CuSO4." Zeitschrift für Naturforschung B 65, no. 3 (2010): 347—r369. http://dx.doi.org/10.1515/znb-2010-0319.

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Ab initio and density-functional theory (DFT) calculations have been used to investigate the model rearrangements of quadricyclane to norbornadiene catalysed by single CuSO4 and SnCl2 molecules. The isolated reactions with the two molecular catalysts proceed via electron-transfer catalysis in which the hydrocarbon is oxidised, in contrast to systems investigated previously in which the substrate was reduced. The even-electron SnCl2-catalysed reaction shows singlet-triplet two-state reactivity. Solvation by a single methanol molecule changes the mechanism of the rearrangement to a classical Lew

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