Benzimidazoazapurines: Design, Synthesis, and Photophysical Study

Author(s):  
Victor V. Fedotov ◽  
Evgeny N. Ulomsky ◽  
Nataliya P. Belskaya ◽  
Alexander K. Eltyshev ◽  
Konstantin V. Savateev ◽  
...  
2020 ◽  
Vol 85 (11) ◽  
pp. 7024-7035 ◽  
Author(s):  
Biligma Tsyrenova ◽  
Victor Khrustalev ◽  
Valentine Nenajdenko

2009 ◽  
Vol 13 (04n05) ◽  
pp. 624-636 ◽  
Author(s):  
David González-Rodríguez ◽  
Giovanni Bottari

The importance and complexity of energy and electron transfer reactions in biological and artificial light energy conversion systems have prompted the preparation and photophysical study of donor-acceptor (D-A) molecular models. This article aims to highlight the efforts of Portuguese and Spanish research groups on the design, synthesis and photophysical study of molecular and supramolecular donor-acceptor systems based on phthalocyanines, subphthalocyanines and porphyrins.


2002 ◽  
Vol 724 ◽  
Author(s):  
Elizabeth R. Wright ◽  
R. Andrew McMillan ◽  
Alan Cooper ◽  
Robert P. Apkarian ◽  
Vincent P. Conticello

AbstractTriblock copolymers have traditionally been synthesized with conventional organic components. However, triblock copolymers could be synthesized by the incorporation of two incompatible protein-based polymers. The polypeptides would differ in their hydrophobicity and confer unique physiochemical properties to the resultant materials. One protein-based polymer, based on a sequence of native elastin, that has been utilized in the synthesis of biomaterials is poly (Valine-Proline-Glycine-ValineGlycine) or poly(VPGVG) [1]. This polypeptide has been shown to have an inverse temperature transition that can be adjusted by non-conservative amino acid substitutions in the fourth position [2]. By combining polypeptide blocks with different inverse temperature transition values due to hydrophobicity differences, we expect to produce amphiphilic polypeptides capable of self-assembly into hydrogels. Our research examines the design, synthesis and characterization of elastin-mimetic block copolymers as functional biomaterials. The methods that are used for the characterization include variable temperature 1D and 2D High-Resolution-NMR, cryo-High Resolutions Scanning Electron Microscopy and Differential Scanning Calorimetry.


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