Articles with "molecular structures" as a keyword



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Characterization of molecular structures of theaflavins and the interactions with bovine serum albumin

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Published in 2017 at "Journal of Food Science and Technology"

DOI: 10.1007/s13197-017-2791-5

Abstract: In this study, theaflavins (TF1, TF2A, TF2B and TF3) were prepared from black tea and their interaction with bovine serum albumin (BSA) was explored by fluorescence and CD spectroscopy. The results showed that the structures… read more here.

Keywords: molecular structures; structures theaflavins; serum albumin; bovine serum ... See more keywords
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The molecular structures and spectroscopic properties of the ground state and the first excited state of pVP

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Published in 2017 at "Computational and Theoretical Chemistry"

DOI: 10.1016/j.comptc.2017.08.026

Abstract: Abstract P-vinylphenol (pVP) is a common building block of a large number of fluorescent protein chromophores. Theoretical investigation employed TD-DFT calculation has been carried out on pVP molecule to reveal the structural properties that influence… read more here.

Keywords: state; first excited; excited state; molecular structures ... See more keywords
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Molecular structures and thermodynamics of stable N4, N6 and N8 neutral poly-nitrogens according to data of QCISD(T)/TZVP method

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Published in 2020 at "Chemical Physics Letters"

DOI: 10.1016/j.cplett.2020.137594

Abstract: Abstract By means of the QCISD(T)/TZVP and G4 quantum-chemical calculation methods, the possibility of the existence of nitrogen molecules having the composition N4, N6, N8 and N10, has been discussed. On the basis of the… read more here.

Keywords: molecular structures; thermodynamics; qcisd tzvp; neutral poly ... See more keywords
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A reliable model for assessment of melting points of cyclic hydrocarbons containing complex molecular structures, isomers and stereoisomers

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Published in 2020 at "Fluid Phase Equilibria"

DOI: 10.1016/j.fluid.2020.112692

Abstract: Abstract Cyclic hydrocarbons with desirable melting points are attractive candidates as liquid fuels such as jet fuels due to the presence of high strain energy in some derivatives but available predictive methods may give large… read more here.

Keywords: molecular structures; complex molecular; model; melting points ... See more keywords

Syntheses, molecular structures, and spectroscopic properties of manganese(II)/(III) complexes with tetraphenylimidodiphosphinato and bi-pyridine or salicylaldehyde ligands

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Published in 2020 at "Inorganica Chimica Acta"

DOI: 10.1016/j.ica.2019.119298

Abstract: Abstract Treatment of [Mn(CH3COO)2·4H2O] with two equivalents of K[N(Ph2PO)2] in the presence of one equivalent of 2,2′-bipyridine (bpy) or 5,5′-dimethyl-2,2′-bipyridine(dmbpy) in ethanol resulted in the formation of the mono-nuclear manganese(II) complexes [Mn{η1 O N(Ph2PO)2}{N(Ph2PO)2}(EtOH)(bpy)] (1)… read more here.

Keywords: manganese iii; molecular structures; ph2po; salicylaldehyde ... See more keywords
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A py-GC/MS technique for structural elucidation of rubber samples to investigate regional effects on bio-coagulated natural rubber

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Published in 2017 at "Journal of Analytical and Applied Pyrolysis"

DOI: 10.1016/j.jaap.2016.12.018

Abstract: Abstract In this paper, the molecular structures of five kinds of original natural rubber (NR) samples produced by different coagulation methods and from different regions(within six months) were studied using a pyrolysis (at 550 °C) gas… read more here.

Keywords: natural rubber; molecular structures; rubber; coagulated natural ... See more keywords
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Crystal and molecular structures of Si-(iodomethyl)silatranes with methyl substituents in β-position relative to the nitrogen atom

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Published in 2018 at "Mendeleev Communications"

DOI: 10.1016/j.mencom.2018.05.016

Abstract: Crystal and molecular structures of two silatranes, 1-iodomethyl-3-methyl- and 1-iodomethyl-3,7,10-trimethyl-2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undecanes, were determined by X-ray analysis. Comparison of their structural and geometrical characteristics with those of other silatranes shows that the presence of methyl substituents β-positioned… read more here.

Keywords: nitrogen; molecular structures; structures iodomethyl; methyl substituents ... See more keywords
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Highlights of molecular structures and applications of phenothiazine & phenoxazine polycycles

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Published in 2019 at "Journal of Molecular Structure"

DOI: 10.1016/j.molstruc.2018.08.064

Abstract: Abstract From their traditional applications as dyes and pigments, phenothiazines and phenoxazines have gained prominent place in medicine as pharmacological lead structures. Recently these compounds and their derivatives have found robust application in organo-electronics and… read more here.

Keywords: phenoxazine polycycles; phenothiazine phenoxazine; structures applications; molecular structures ... See more keywords
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Synthesis, characterization, biological, X-ray diffraction analysis and computational chemistry studies of new 2-acetylpyridine derivative hydrazone and its Zn(II) complex

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Published in 2020 at "Journal of Molecular Structure"

DOI: 10.1016/j.molstruc.2020.128152

Abstract: Abstract A new aroyl hydrazone ligand ((E)-2-phenyl-N’-(1-(pyridine-2-yl)ethylidene)acetohydrazide) HL and its metal complex [ZnL2] (1) have been synthesized and characterized by using elemental analysis, IR and UV–vis spectroscopy methods. All data indicate that the ligand is… read more here.

Keywords: molecular structures; ray diffraction; diffraction analysis; analysis ... See more keywords
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Probing the Relationship between Molecular Structures, Thermal Transitions, and Morphology in Polymer Semiconductors Using a Woven Glass-Mesh-Based DMTA Technique

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Published in 2019 at "Chemistry of Materials"

DOI: 10.1021/acs.chemmater.9b01213

Abstract: The glass transition temperature (Tg) of polymers is an important parameter that determines the kinetics of molecular organization of polymeric chains. Understanding the Tg of conjugated polymers i... read more here.

Keywords: thermal transitions; probing relationship; relationship molecular; molecular structures ... See more keywords
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Effects of Molecular Structures of Poly(styrene-co-octadecyl maleimide) as a Flow Improver for the Model Crude Oil with a Relatively High Content of Asphaltenes

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Published in 2021 at "Energy & Fuels"

DOI: 10.1021/acs.energyfuels.0c04273

Abstract: Poly(styrene-co-maleic anhydride)s (SMAs) with different compositions and molecular weight were synthesized through the reversible addition–fragmentation chain transfer polymerization technique. SM... read more here.

Keywords: styrene octadecyl; octadecyl maleimide; structures poly; effects molecular ... See more keywords