Results 111 to 120 of about 289,623 (333)
THE STUDY OF HYDROGEN BONDING AND RELATED PHENOMENA BY ULTRAVIOLET LIGHT ABSORPTION: PART II. THE EFFECT OF SOLVENT–SOLUTE INTERACTIONS ON THE INTERMOLECULAR: HYDROGEN BOND IN BENZOIC ACIDS [PDF]
W. F. Forbes, Arthur R. Knight
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By fabricating and covalently assembling gelatin methacryloyl (GelMA) porous microgels, a new class of granular hydrogel scaffolds with hierarchical porosity is developed. These scaffolds have a significantly higher void fraction than their counterparts made up of nonporous microgels, enhancing cell recruitment and tissue integration. This research may
Alexander Kedzierski+9 more
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The seed pod valves of Australian Banksia attenuata plants are not simply bi‐layers which bend when dry. These experiments and models reveal complex mechanics, which allow seed release only after several steps of seed pod opening. Stiffness gradients prevent delamination of the valves during loading, and a shape‐memory function protects the seeds ...
Friedrich Reppe+7 more
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Near Equivalence of Polarizability and Bond Order Flux Metrics for Describing Covalent Bond Rearrangements [PDF]
Identification of the breaking point for the chemical bond is essential for our understanding of chemical reactivity. The current consensus is that a point of maximal electron delocalization along the bonding axis separates the different bonding regimes of reactants and products.
arxiv
Asymmetric propagation of electronic wave function through molecular bonding and anti-bonding states [PDF]
Electron transport through molecular bridge shows novel quantum features. Propogation of electronic wave function through molecular bridge is completely different than individual atomic bridge employed between two contacts. In case of molecular bridge electronic wave propagators interfere and effect conduction through molecular bonding and anti-bonding
arxiv
A wideband tunable electrochromic device with dynamic thermal emissivity control is demonstrated. The system enables adaptive heat regulation via electrochemically modulated silver deposition, achieving efficient cooling and heating states. The flexible design ensures mechanical robustness under bending conditions, making it promising for portable and ...
Jiawei Liang+10 more
wiley +1 more source
Background: Hydrogen bonding interaction was considered to play a critical role in controlling drug release from transdermal patch. However, the quantitative evaluation of hydrogen bonding strength between drug and polar functional group was rarely ...
Zheng Luo+6 more
doaj
Rethinking hydrogen-bond kinetics [PDF]
At the fundamental level, our understanding of water hydrogen-bond dynamics has been largely built on the detailed analysis of classical molecular simulations. The latter served to develop a plethora of hydrogen bond definitions based on different properties, including geometrical distances, topology and energetics.
arxiv
A W‐doped cobalt pentlandite electrocatalyst with sulfur vacancies is synthesized, guided by DFT calculations, which modifies the d‐band center, promoting oxygen intermediate desorption and lowering the *O generation energy barrier, thus enhancing catalytic activity.
Ning Liu+8 more
wiley +1 more source
The Relation Between the Energy of a Hydrogen Bond and the Frequencies of the O–H Bands [PDF]
Richard M. Badger
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