Computational design of pH-switchable control agents for nitroxide mediated polymerization
نویسندگان
چکیده
منابع مشابه
Nitroxide-Mediated Radical Polymerization of Styrene Initiated from the Surface of Titanium Oxide Nanoparticles
Titanium dioxide (TiO2) nanoparticles, with an average size of about 45 nm, were encapsulated by polystyrene using in situ nitroxide mediated radical polymerization in the presence of 3-aminopropyl triethoxy silane (APTES) as a coupling agent and 2, 2, 6, 6-tetramethylpiperidinyl-1-oxy as a initiator. First, the initiator for NMRP was covalently bonded onto the surface of Titanium dioxide na...
متن کاملnitroxide-mediated radical polymerization of styrene initiated from the surface of titanium oxide nanoparticles
titanium dioxide (tio2) nanoparticles, with an average size of about 45 nm, were encapsulated by polystyrene using in situ nitroxide mediated radical polymerization in the presence of 3-aminopropyl triethoxy silane (aptes) as a coupling agent and 2, 2, 6, 6-tetramethylpiperidinyl-1-oxy as a initiator. first, the initiator for nmrp was covalently bonded onto the surface of titanium dioxide na...
متن کاملpH control of actin polymerization by cofilin.
Cofilin, a 21,000 molecular weight actin-regulatory protein (Nishida, E., Maekawa, S., and Sakai, H. (1984) Biochemistry 23, 5307-5313), was here shown to be capable of reversibly controlling actin polymerization and depolymerization in a pH-sensitive manner. When cofilin was reacted with F-actin at different pH, the depolymerized actin concentration (= monomeric actin concentration) was higher...
متن کاملStability of SG1 nitroxide towards unprotected sugar and lithium salts: a preamble to cellulose modification by nitroxide-mediated graft polymerization
The range of applications of cellulose, a glucose-based polysaccharide, is limited by its inherently poor mechanical properties. The grafting of synthetic polymer chains by, for example, a "grafting from" process may provide the means to broaden the range of applications. The nitroxide-mediated polymerization (NMP) method is a technique of choice to control the length, the composition and the a...
متن کاملSide reactions of nitroxide-mediated polymerization: N-O versus O-C cleavage of alkoxyamines.
Free energies for the homolysis of the NO-C and N-OC bonds were compared for a large number of alkoxyamines at 298 and 393 K, both in the gas phase and in toluene solution. On this basis, the scope of the N-OC homolysis side reaction in nitroxide-mediated polymerization was determined. It was found that the free energies of NO-C and N-OC homolysis are not correlated, with NO-C homolysis being m...
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ژورنال
عنوان ژورنال: Physical Chemistry Chemical Physics
سال: 2017
ISSN: 1463-9076,1463-9084
DOI: 10.1039/c7cp04337f