Excited-State Dynamics of Water-Soluble Polythiophene Derivatives: Temperature and Side-Chain Length Effects

2012 ◽  
Vol 116 (49) ◽  
pp. 14451-14460 ◽  
Author(s):  
Ying-Zhong Ma ◽  
Robert W. Shaw ◽  
Xiang Yu ◽  
Hugh M. O’Neill ◽  
Kunlun Hong
Keyword(s):  
Excited State ◽  
Chain Length ◽  
Water Soluble ◽  
Side Chain ◽  
Side Chain Length ◽  
Excited State Dynamics ◽  
Length Effects

The triplet excited state changes of amphiphilic porphyrins with different side-chain length in AOT reverse micelles

2003 ◽  
Vol 156 (1-3) ◽  
pp. 139-144 ◽  
Author(s):  
Jun Hua Yu ◽  
Yu Xiang Weng ◽  
Xue Song Wang ◽  
Lei Zhang ◽  
Bao Wen Zhang ◽  
...  
Keyword(s):  
Excited State ◽  
Chain Length ◽  
Reverse Micelles ◽  
Side Chain ◽  
Triplet Excited State ◽  
Side Chain Length ◽  
Aot Reverse Micelles ◽  
State Changes

Alkyl Side-Chain Length Effects on Fluorescence Dynamics, Lamellar Layer Structures, and Optical Anisotropy of Poly(diphenylacetylene) Derivatives

2008 ◽  
Vol 41 (7) ◽  
pp. 2743-2746 ◽  
Author(s):  
Giseop Kwak ◽  
Masashi Minakuchi ◽  
Toshikazu Sakaguchi ◽  
Toshio Masuda ◽  
Michiya Fujiki
Keyword(s):  
Chain Length ◽  
Optical Anisotropy ◽  
Side Chain ◽  
Alkyl Side Chain ◽  
Side Chain Length ◽  
Layer Structures ◽  
Lamellar Layer ◽  
Length Effects

Investigating the effects of side chain length on the AIE properties of water-soluble TPE derivatives

2014 ◽  
Vol 55 (8) ◽  
pp. 1496-1500 ◽  
Author(s):  
Yifan Dong ◽  
Weilun Wang ◽  
Cewen Zhong ◽  
Jianbing Shi ◽  
Bin Tong ◽  
...  
Keyword(s):  
Chain Length ◽  
Water Soluble ◽  
Side Chain ◽  
Side Chain Length

scholarly journals Effects of Amino Acid Side-Chain Length and Chemical Structure on Anionic Polyglutamic and Polyaspartic Acid Cellulose-Based Polyelectrolyte Brushes

Polymers ◽  
2021 ◽  
Vol 13 (11) ◽  
pp. 1789
Author(s):  
Dmitry Tolmachev ◽  
George Mamistvalov ◽  
Natalia Lukasheva ◽  
Sergey Larin ◽  
Mikko Karttunen
Keyword(s):  
Glutamic Acid ◽  
Chain Length ◽  
Chemical Structure ◽  
Side Chain ◽  
Side Chains ◽  
Side Chain Length ◽  
Polyelectrolyte Brushes ◽  
Grafting Density ◽  
The Difference ◽  
Cellulose Surface

We used atomistic molecular dynamics (MD) simulations to study polyelectrolyte brushes based on anionic α,L-glutamic acid and α,L-aspartic acid grafted on cellulose in the presence of divalent CaCl2 salt at different concentrations. The motivation is to search for ways to control properties such as sorption capacity and the structural response of the brush to multivalent salts. For this detailed understanding of the role of side-chain length, the chemical structure and their interplay are required. It was found that in the case of glutamic acid oligomers, the longer side chains facilitate attractive interactions with the cellulose surface, which forces the grafted chains to lie down on the surface. The additional methylene group in the side chain enables side-chain rotation, enhancing this effect. On the other hand, the shorter and more restricted side chains of aspartic acid oligomers prevent attractive interactions to a large degree and push the grafted chains away from the surface. The difference in side-chain length also leads to differences in other properties of the brush in divalent salt solutions. At a low grafting density, the longer side chains of glutamic acid allow the adsorbed cations to be spatially distributed inside the brush resulting in a charge inversion. With an increase in grafting density, the difference in the total charge of the aspartic and glutamine brushes disappears, but new structural features appear. The longer sides allow for ion bridging between the grafted chains and the cellulose surface without a significant change in main-chain conformation. This leads to the brush structure being less sensitive to changes in salt concentration.

scholarly journals Sterol side chain length and structure affect the clearance of chylomicron-like lipid emulsions in rats and mice

1998 ◽  
Vol 39 (2) ◽  
pp. 302-312 ◽  
Author(s):  
Ian J. Martins ◽  
Catherine Vilchèze ◽  
B-C. Mortimer ◽  
Robert Bittman ◽  
Trevor G. Redgrave
Keyword(s):  
Chain Length ◽  
Side Chain ◽  
Lipid Emulsions ◽  
Side Chain Length ◽  
Rats And Mice

Effect of the Side-Chain Length and NLO Properties of the N-ethyl-N,N,N-trialkylammonium Ionic Liquids – A DFT Study

2021 ◽  
pp. 116251
Author(s):  
M.A. Olea-Amezcua ◽  
J.E. Castellanos-Águila ◽  
H. HernÁndez-Cocoletzi ◽  
E. Ferreira ◽  
M. Trejo-Durán ◽  
...  
Keyword(s):  
Ionic Liquids ◽  
Chain Length ◽  
Dft Study ◽  
Side Chain ◽  
Side Chain Length ◽  
Nlo Properties

scholarly journals Glucuronides of monohydroxylated bile acids: specificity of microsomal glucuronyltransferase for the glucuronidation site, C-3 configuration, and side chain length.

1986 ◽  
Vol 27 (1) ◽  
pp. 89-101 ◽  
Author(s):  
A Radomińska-Pyrek ◽  
P Zimniak ◽  
M Chari ◽  
E Golunski ◽  
R Lester ◽  
...  
Keyword(s):  
Bile Acids ◽  
Chain Length ◽  
Side Chain ◽  
Side Chain Length

Influence of Acceptor Side-Chain Length and Conjugation-Break Spacer Content on the Mechanical and Electronic Properties of Semi-Random Polymers

2019 ◽  
Vol 1 (5) ◽  
pp. 1107-1117 ◽  
Author(s):  
Elizabeth L. Melenbrink ◽  
Kristan M. Hilby ◽  
Kartik Choudhary ◽  
Sanket Samal ◽  
Negar Kazerouni ◽  
...  
Keyword(s):  
Electronic Properties ◽  
Chain Length ◽  
Side Chain ◽  
Side Chain Length ◽  
Acceptor Side
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