Biria, Saeid; Hosein, Ian D. (2017-05-09). "Control of Morphology in Polymer Blends through Light Self-Trapping: An in Situ ... "Spontaneous Emergence of Nonlinear Light Waves and Self-Inscribed Waveguide Microstructure during the Cationic Polymerization ... and polymer blends. The locations of filament formation and propagation may be controlled by modulating the spatial profile of ... "Optical Autocatalysis Establishes Novel Spatial Dynamics in Phase Separation of Polymer Blends during Photocuring". ACS Macro ...
C is the polymer concentration, P is a protein-protein interaction coefficient, a is a protein-polymer interaction coefficient ... Cationic polyelectrolytes are at pH values above the pI. It is important to note that an excess of polyelectrolytes will cause ... These polymers in solution attract water molecules away from the solvation layer around the protein. This increases the protein ... Polymers, such as dextrans and polyethylene glycols, are frequently used to precipitate proteins because they have low ...
Although it is a polymer network (gel), the rings are not fixed on the polyrotaxanes in the polymer network, the crosslinks of ... In addition, if cationic or anionic units are employed to form the polyrotaxanes, the salts or pH in the solution also will ... In chemical gels, the polymer chains are easy to be broken because the lengths of the heterogeneous polymer are limited or ... 3) Polyrotor/polyaxis: polymers possess covalently bonded cyclic molecule-moieties assembled with polymers possess guested in ...
The polymers tend to be linear and not branched and have much higher molar mass. Coordination type polymers are also ... The active site is usually anionic but cationic coordination polymerization also exists. Many alkenes do not polymerize in the ... Coordination polymerization has a great impact on the physical properties of vinyl polymers such as polyethylene and ... I. (2002). "Palladium catalysed copolymerisation of ethene with alkylacrylates: polar comonomer built into the linear polymer ...
Radical cations figure prominently in the chemistry and properties of conducting polymers. Such polymers are formed by the ... Cationic radical species are much less common than the anions. Denoted M + ∙ {\displaystyle M^{+\bullet }} , they appear ... Polarons and bipolarons are radical cations encountered in doped conducting polymers. IUPAC, Compendium of Chemical Terminology ... "Polypyrrole: a conducting polymer; its synthesis, properties and applications" Russ. Chem. Rev. 1997, vol. 66, p.443ff.(http:// ...
... and applications of precision polymers". Polymer. 116: 572-586. doi:10.1016/j.polymer.2017.01.020. ISSN 0032-3861. Muzammil, ... and living cationic or living anionic polymerizations. An emerging technique is chain shuttling polymerization. The synthesis ... In polymer chemistry, a copolymer is a polymer derived from more than one species of monomer. The polymerization of monomers ... Painter P. C. and Coleman M. M., Fundamentals of Polymer Science, CRC Press, 1997, p 14. Chanda, M. Introduction to Polymer ...
D-galacturonic acid polymer) resulting in a de-esterified pectin polymer. WAKs bind more readily to de-esterified pectins due ... was shown in a mutation in cationic residues in a WAK1 gene to neutral residues which resulted to the loss of binding ... Kohorn (2016) suggested that "pectin polymers can be cross-linked in the cell wall with Ca+, and WAKs bind these pectins and ... However, since WAKs are also required for cell growth by binding to long pectin polymers for plant development and also pectin ...
Suter, J.; Groen, D.; Coveney, P. V. (2015). "Mechanism of exfoliation and prediction of materials properties of clay-polymer ... Among these was the study of two-dimensional nanomaterials, including cationic and anionic clays and their interactions with ... This subsequently evolved to the study of nanocomposite materials consisting of 2d nanoparticles embedded in polymer matrices ... Suter, J.; Groen, D.; Coveney, P. V. (2015). "Chemically specific multiscale modeling of clay-polymer nanocomposites reveals ...
Hydrogels are three dimensional structures consisting of hydrophilic polymers (i.e., polymers, colloids, etc.) that form ... demonstrated that cationic gels swell in acidic environments but remain condensed in basic environments. Since traditional ... Examples of natural polymers include alginate, chitosan, cellulose, gelatin, fibrin, and collagen. Hydrogel size and type are ... doi:10.1016/j.polymer.2008.01.027. Bordbar-Khiabani, Aydin; Gasik, Michael (2022-03-27). "Smart Hydrogels for Advanced Drug ...
The 3-APs polymers possess antimicrobial activity with increase in polymers and show cytolytic, cytotoxic and antifouling ... In addition the compounds of alkylpyridines are found to be structurally similar to the cationic surfactants indicating that ... Some polymers derived from 3-APs are anticholinesterase agents and show hemolytic and cytotoxic activities. More than 70 ... "Characterization of Anticholinesterase-Active 3-Alkylpyridinium Polymers from the Marine Sponge Reniera saraiin Aqueous ...
It is used industrially as a precursor to specialty polymers and as an intermediate in the chemical, pharmaceutical, dye, and ... cationic, or anionic initiators. The homopolymer is soluble in organic solvents such as methanol and acetone, whereas cross- ... The tire cord is treated first with a resorcinol-formaldehyde polymer and then with a terpolymer made from 15% 2-vinylpyridine ...
doi: 10.1002/ejic.201700787 J. Pahl, S. Brand, H. Elsen, and S. Harder,"Highly Lewis acidic cationic alkaline earth metal ... Polymer, 1996, 37, 4629-4631. doi: 10.1016/0032-3861(96)00323-0 G.C. Welch, L.Cabrera, P.A. Chase, E. Hollink, J.M. Masuda, P. ... cationic 4 coordinate Pv and Sbv derivatives) and transition-metal compounds (e.g. TiCl4, AN 70). U. Mayer, V. Gutmann, and W. ... facile formation of phosphine-boranes and cationic phosphonium-boranes", Dalton Trans., 2007, 3407-3414. doi: 10.1039/b704417h ...
Chitosan is a very cheap, economical, and environmentally friendly substrate for coating of this polymer. Adsorption of ... including the use of cationic metal-organic frameworks to selectively adsorb chromium oxyanions. Thermus scotoductus, an ... "Removal of chromium hexavalent ion from aqueous solutions using biopolymer chitosan coated with poly 3-methyl thiophene polymer ...
It is also used for the functionalization of polymer surfaces by UV-induced grafting to improve wettability and adhesiveness. 1 ... Copolymers of quaternary N-vinylimidazolium salts and polar monomers (in particular N-vinylpyrrolidone) are cationic ... Polymer, vol. 14, no. 12, pp. 639-644, doi:10.1016/0032-3861(73)90039-6, hdl:2027.42/33769 EP 0544158, H. Meyer, A. Sanner, R.- ... "Use of cationic copolymers of unsaturated acids and N-vinylimidazolium salts in cosmetic hair formulations", published 2002-03- ...
Coagulant aids (polymers that bridge the colloids together) are also often used to increase the efficiency of the process. ... cationic coagulants neutralize the anionic colloids). At this value (0), the coagulant dose can be said to be optimum. ...
Kostyk, Barry W.; Wicks, Zeno W. (1979). "Malonic ester-blocked aliphatic isocyanates". Journal of Polymer Science: Polymer ... Other uses include Powder coatings, Coil Coatings, Cationic Electrocoating and primers. Blocked isocyanates have also been used ... Ultraviolet light initiates the polymerization of an acrylate based polymer that contains hydroxy groups on the polymer ... "Polymer Science: A Comprehensive Reference , ScienceDirect". www.sciencedirect.com. Retrieved 2021-08-26. (CS1 maint: multiple ...
Cationic starch is used as wet end sizing agent in paper manufacturing. Modified starch should not be confused with genetically ... Degradable Polymers, Recycling, and Plastics Waste Management. S Huang, Ann-Christine Albertsson. 1995. Modified Starch, Jenny ... Genetically modified starch is of interest in the manufacture of biodegradable polymers and noncellulose feedstock in the paper ... cationic starch, adding positive electrical charge to starch carboxymethylated starch with monochloroacetic acid adding ...
Boron, in the form of B(OH)4, reacts with the hydroxyl groups on the polymer in a two step process to link two polymer strands ... cationic and hydropropyl guar. Textile industry - sizing, finishing and printing Paper industry - improved sheet formation, ... The rheology of guar gum is typical for a random coil polymer. It does not show the very high low[clarification needed] shear ... 1:1 1,2 diol complex and a 1:1 1,3 diol complex, place the negatively charged borate ion onto the polymer chain as a pendant ...
The techniques used to improve oil recovery can be straightforward polymer flooding (PF), surfactant polymer flooding (SP) or ... Coagulants act as fixative for various chemicals such as dyes and sizing agents, charge neutralization for pitch and cationic ... www.happi.com/articles/2009/04/trends-in-polymers-for-skin-care (Trends in Polymers for Skin Care, Part I) Official website - ... These water-soluble polymers are used as flocculants and coagulants in solid/water separation to recycle water, rheology ...
... is the coordination polymer with the formula {[Ru2(O2CCH3)4]Cl}n. A red brown solid, the ... Cationic Triphenylphosphine Complexes Derived from Them, and Their Behaviour as homogeneous hydrogenation Catalysts for Alkenes ...
4-diethynylbenzene and properties of polymers". Journal of Polymer Science Part A: Polymer Chemistry. 33 (14): 2403. Bibcode: ... The reaction is also reported to be catalysed by cationic rhodium and iridium complexes, by thorium and uranium complexes, by ... Polymer. 55 (22): 5517-5549. doi:10.1016/j.polymer.2014.08.015. Yao, BiCheng; Sun, JingZhi; Qin, AnJun; Tang, Ben Zhong (11 ... in star polymers, in graft polymerization, block copolymers, and in polymer networks. Another reported application is the ...
Crivello The Discovery and Development of Onium Salt Cationic Photoinitiators, J. Polym. Sci., Part A: Polym. Chem., 1999, 37, ... Visible Light Activated Ion Sensing Using a Photoacid Polymer for Calcium Detection, Anal. Chem. 2014, 86, 6184−6187. ( ...
... evidence of their wormlike conformation by treating them as random coil polymers". Colloid and Polymer Science. 287 (8): 1001- ... Alternatively, polyacrylamide gel electrophoresis can also be performed with the cationic surfactants CTAB in a CTAB-PAGE, or ... Buxbaum, Engelbert (2003). "Cationic electrophoresis and electrotransfer of membrane glycoproteins". Analytical Biochemistry. ...
He invented and pioneered thiolated polymers - thiomers - as a new generation of bio- and mucoadhesive polymers that are able ... Cationic nanoparticles are more efficiently taken up by epithelial cells than anionic ones. However, they do not reach ... Leichner, C; Jelkmann, M; Bernkop-Schnürch, A (2019). "Thiolated polymers: Bioinspired polymers utilizing one of the most ... bionanotechnology and polymer engineering. He is the inventor of various technologies such as thiolated polymers for that he ...
... synthetic polymers do not occur naturally and are artificially developed polymers with chemical modifications. Natural polymer- ... A previous study developed a cationic liposome loaded with mRNA and green fluorescent protein (GFP). Intranasal delivery of ... Natural polymers exhibit excellent biocompatibility and biodegradability, and low toxicity. Synthetic polymer-based ... Lipid-based and polymer-based nanocarriers are commonly used for nose-to-brain delivery as they exert high stability, ...
Under heat and pressure 2-hexyne polymerizes to linear oligomers and polymers. This can be hastened by some catalysts such as ... doi:10.1016/0304-5102(89)80220-2. Schrock, Richard R.; Osborn, John A. (April 1976). "Catalytic hydrogenation using cationic ...
Carl Remigius Fresenius Carl Wilhelm Scheele Carnallite Carnelian Carnotite CAS registry number Cassiterite catalyst Cationic ... Physical chemistry physics picometre Picric acid Plagioclase Platinum Plutonium Pnictogen Pollucite pollution Polonium polymer ... Abundances and Atomic Weights complex compound combustion pipette computational chemistry Concentration condensation polymer ...
The phase behavior of polymer solutions is an important property involved in the development and design of most polymer-related ... "Nanoscopic Cationic Methacrylate Star Homopolymers: Synthesis by Group Transfer Polymerization, Characterization and Evaluation ... In the case of polymer solutions, the LCST also depends on polymer degree of polymerization, polydispersity and branching as ... Sanchez, IC and Stone, MT, "Statistical Thermodynamics of Polymer Solutions and Blends" in Polymer Blends Volume 1: Formulation ...
"Optical Autocatalysis Establishes Novel Spatial Dynamics in Phase Separation of Polymer Blends during Photocuring". ACS Macro ... "Spontaneous Emergence of Nonlinear Light Waves and Self-Inscribed Waveguide Microstructure during the Cationic Polymerization ...
The resulting polymer yielded ~2 s of phosphorescence lifetime. Additionally, Zhu et al used crown ether and potassium ion to ... For example, a poly-cationic receptor containing copper (the host) is coordinated with molecules such as tetracarboxylates, ... It takes time for the host molecules to de-thread from the polymer, which can be a way of energy dissipation. Another method is ... Because of the non-covalent host-guest interaction, the polymer backbone can have enough flexibility to diffuse. If a crack ...