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4321por Gervasoni, Silvia, Malloci, Giuliano, Bosin, Andrea, Vargiu, Attilio V., Zgurskaya, Helen I., Ruggerone, Paolo“…We present AB-DB, an open database of all-atom force-field parameters, molecular dynamics trajectories, quantum-mechanical properties, and curated physico-chemical descriptors of antimicrobial compounds. …”
Publicado 2022
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4322“…Here, we investigated the molecular mechanism of proton-mediated Q(A)(⋅–) stabilization. Quantum mechanical/molecular mechanical (QM/MM) calculations show that in response to the loss of the bicarbonate ligand, a low-barrier H-bond forms between D2-His214 and Q(A)(⋅–). …”
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4323por Zare, Mehdi, Saleheen, Mohammad S., Singh, Nirala, Uline, Mark J., Faheem, Muhammad, Heyden, Andreas“…In this study, an explicit, hybrid quantum mechanical/molecular mechanical approach for computing solvation free energies of adsorption is developed, solvation free energies of phenol adsorption are computed, and experimental data for solvation free energies of phenol adsorption are reanalyzed using multiple adsorption isotherm models. …”
Publicado 2022
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4324por Xing, Wenhui, Yu, Hongmei, Zhang, Baoxi, Liu, Meiju, Zhang, Li, Wang, Fengfeng, Gong, Ningbo, Lu, Yang“…This study explores the weak non-covalent intermolecular interactions of donepezil polymorphs through fully ab initio quantum mechanical methods, semi-empirical methods, and Hirshfeld surface analysis. …”
Publicado 2022
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4325por Yang, L., Lin, C. J., Yamaguchi, H., Moro, A. M., Ma, N. R., Wang, D. X., Cook, K. J., Mazzocco, M., Wen, P. W., Hayakawa, S., Wang, J. S., Yang, Y. Y., Zhang, G. L., Huang, Z., Inoue, A., Jia, H. M., Kahl, D., Kim, A., Kwag, M. S., Commara, M. La, Gu, G. M., Okamoto, S., Parascandolo, C., Pierroutsakou, D., Shimizu, H., Sun, H. H., Wang, M. L., Yang, F., Zhong, F. P.“…The energy and angular correlations can be explained by a fully quantum mechanical method based on the state-of-the-art continuum discretized coupled channel calculations. …”
Publicado 2022
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4326por Zhang, Xingfan, Zhu, Lei, Hou, Qing, Guan, Jingcheng, Lu, You, Keal, Thomas W., Buckeridge, John, Catlow, C. Richard A., Sokol, Alexey A.“…[Image: see text] Polarizable shell-model potentials are widely used for atomic-scale modeling of charged defects in solids using the Mott–Littleton approach and hybrid Quantum Mechanical/Molecular Mechanical (QM/MM) embedded-cluster techniques. …”
Publicado 2022
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4327por Martín-Aragón, Víctor Rodríguez, Millán, Francisco Romero, Cuadrado, Cristina, Daranas, Antonio Hernández, Medarde, Antonio Fernández, López, José M. Sánchez“…The elucidation of the structural features of the newfound compounds was accomplished through a combination of HRESIMS, 1D and 2D NMR spectroscopy, as well as QM-NMR (Quantum Mechanical—Nuclear Magnetic Resonance) methods and by comparison with existing literature. …”
Publicado 2023
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4328por Lindorff-Larsen, Kresten, Piana, Stefano, Palmo, Kim, Maragakis, Paul, Klepeis, John L, Dror, Ron O, Shaw, David E“…Second, we optimized the side-chain torsion potentials of these residues to match new, high-level quantum-mechanical calculations. Finally, we used microsecond-timescale MD simulations in explicit solvent to validate the resulting force field against a large set of experimental NMR measurements that directly probe side-chain conformations. …”
Publicado 2010
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4329por Tirosh, Einat, Benassi, Enrico, Pipolo, Silvio, Mayor, Marcel, Valášek, Michal, Frydman, Veronica, Corni, Stefano, Cohen, Sidney R“…Quantitative analysis of elastic modulus maps obtained simultaneously with topographic images show that the modulus of the cis-form is approximately twice that of the trans-isomer. Quantum mechanical and molecular dynamics studies show good agreement with this experimental result, and indicate that the stiffer response in the cis-form comprises contributions both from the individual molecular bonds and from intermolecular interactions in the film. …”
Publicado 2011
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4330“…Interestingly, 66% of the G:C trans base pairs in the PDB are engaged in additional H-bonding interactions with other bases, the RNA backbone or structured water molecules. High level quantum mechanical calculations on a data set of representative crystal structures were performed to shed light on the structural stability and energetics of the various crystallographic motifs. …”
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4331“…Quantum annealing is a proposed combinatorial optimization technique meant to exploit quantum mechanical effects such as tunneling and entanglement. …”
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4332por Kumarasinghe, Chathurangi S., Premaratne, Malin, Bao, Qiaoliang, Agrawal, Govind P.“…Here, we derive the rate of this localised-surface-plasmon mediated generation of hot electrons in nanorods and the rate of injecting them into other media by considering quantum mechanical motion of the electron gas. Specifically, we use the single-electron wave function of a particle in a cylindrical potential well and the electric field enhancement factor of an elongated ellipsoid to derive the energy distribution of electrons after plasmon excitation. …”
Publicado 2015
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4333por Hansen, M., Ziegler, M., Kolberg, L., Soni, R., Dirkmann, S., Mussenbrock, T., Kohlstedt, H.“…We present a quantum mechanical memristive Nb/Al/Al(2)O(3)/Nb(x)O(y)/Au device which consists of an ultra-thin memristive layer (Nb(x)O(y)) sandwiched between an Al(2)O(3) tunnel barrier and a Schottky-like contact. …”
Publicado 2015
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4334por Zhang, Xiaomei, Wang, Shuai, Wu, Xiuyun, Liu, Shijia, Li, Dandan, Xu, Hao, Gao, Peiji, Chen, Guanjun, Wang, Lushan“…Binding affinities between the aromatic amino acids and carbohydrate rings were quantitatively determined by isothermal titration calorimetry (ITC) and the quantum mechanical (QM) method, showing that the binding capacity order of Tyr>Trp>His (and Phe) was determined by their side-chain properties. …”
Publicado 2015
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4335“…A massively parallel program for quantum mechanical‐molecular mechanical (QM/MM) molecular dynamics simulation, called Platypus (PLATform for dYnamic Protein Unified Simulation), was developed to elucidate protein functions. …”
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4336por Moon, Eun-Gook“…A conservation law is one of the most fundamental properties in nature, but a certain class of conservation “laws” could be spoiled by intrinsic quantum mechanical effects, so-called quantum anomalies. …”
Publicado 2016
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4337“…Here, using state-of-the-art variable-composition evolutionary searches combined with quantum-mechanical calculations, we explore the C-H-O system at pressures up to 400 GPa. …”
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4338“…We have developed a quantum-mechanically derived treasure map which screens solid solution combinations with electronic bonding, structure and volume descriptors for similarity to the ductile magnesium-rare earth alloys. …”
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4339por Marican, Adolfo, Avila-Salas, Fabián, Valdés, Oscar, Wehinger, Sergio, Villaseñor, Jorge, Fuentealba, Natalia, Arenas-Salinas, Mauricio, Argandoña, Yerko, Carrasco-Sánchez, Verónica, Durán-Lara, Esteban F.“…Through in-silico studies using semi-empirical quantum mechanical calculations, the effectiveness of 20 dicarboxylic acids to generate a specific cross-linked hydrogel capable of supporting different amounts of γ-cyclodextrin (γ-CD) was evaluated. …”
Publicado 2018
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4340“…An LZ transition occurs when a system passes through an avoided crossing that arises from quantum mechanical coupling of two levels, taking the system to a coherent superposition of the two states. …”
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