نتایج جستجو برای: water soluble polymers

تعداد نتایج: 680862  

Journal: :Chemical communications 2005
Il-Doo Chung Philip Britt Dong Xie Eva Harth Jimmy Mays

Well-defined acryloyl beta-alanine (ABA) polymers were synthesized directly via atom transfer radical polymerization (ATRP) under near physiological conditions using various water soluble initiators with high yield and narrow molecular weight distributions.

Journal: :Chemical communications 2011
Yugen Zhang Meixuan Tan Hai Li Yuangang Zheng Shujun Gao Hua Zhang Jackie Y Ying

Novel mesoscopic organic nanosheets were developed by functionalizing bulk 2D organic covalent framework polymers with small molecules. The water-soluble fluorescent nanosheets are promising as nanocarriers for biological applications.

Journal: :Zeitschrift fur Naturforschung. Section C, Biosciences 1982
F Yoshii I Kaetsu

The cell fusion of Molt T-cells was investigated in the presence of water soluble polymer, polyethyleneglycol (PEG) and glass-forming monomers. In cell fusion with PEG only, inactivation of the cell occurred within 2 min. However, in the presence of PEG and water soluble polymer, most of the fused and unfused cells lived even after fusion times of more than 10 min. It was observed that water so...

Journal: :Chemical communications 2013
Sheng-Chun Chen Zhi-Hui Zhang Qun Chen Li-Qun Wang Juan Xu Ming-Yang He Miao Du Xiao-Ping Yang Richard A Jones

Three isomeric water-soluble and light-stable silver(I) coordination polymers with a fluorinated carboxylate ligand were prepared by template-controlled method, which show different 2D polymeric coordination structures with a novel layered inorganic connectivity in the solid state. In water solution, they dissociate into several stable polynuclear silver(I) oligomers and exhibit extraordinary a...

Journal: :Journal of colloid and interface science 2006
Amir Maldonado Ricardo López-Esparza Raymond Ober Thaddée Gulik-Krzywicki Wladimir Urbach Claudine E Williams

We have studied the effect of adding a water-soluble polymers (PEG) to the lamellar phases of the ternary system tetradecyldimethylaminoxide (C14DMAO)-hexanol-water. The results of Freeze-Fracture Electron Microscopy (FFEM) and Small Angle X-ray Scattering (SAXS) experiments show that the addition of the polymer induces the spontaneous formation of highly monodisperse multilayered vesicles abov...

Journal: :Plant physiology 1992
R J Redgwell L D Melton D J Brasch

Pectic polysaccharides solubilized in vivo during ripening, were isolated using phenol, acetic acid, and water (PAW) from the outer pericarp of kiwifruit (Actinidia deliciosa [A. Chev.] C.F. Liang and A.R. Ferguson var deliciosa ;Hayward') before and after postharvest ethylene treatment. Insoluble polysaccharides of the cell wall materials (CWMs) were solubilized in vitro by chemical extraction...

2012
Yun-Sheng Ye John Rick

The relentless increase in the demand for useable power from energy-hungry economies continues to drive energy-material related research. Fuel cells, as a future potential power source that provide clean-at-the-point-of-use power offer many advantages such as high efficiency, high energy density, quiet operation, and environmental friendliness. Critical to the operation of the fuel cell is the ...

Journal: :Chemical communications 2015
Tatjana Repenko Stanley Fokong Laura De Laporte Dennis Go Fabian Kiessling Twan Lammers Alexander J C Kuehne

Here we present a facile synthetic method yielding a linear form of polydopamine via Kumada-coupling, which can be converted into water-soluble melanin, generating high contrast in photoacoustic imaging.

Journal: :Chemical communications 2006
Yannick Guari Joulia Larionova Karine Molvinger Benjamin Folch Christian Guérin

Magnetic water-soluble cyano-bridged metallic coordination polymer nanoparticles of controlled size were prepared by using water-soluble chitosan beads.

Journal: :Journal of the American Chemical Society 2009
Daisuke Izuhara Timothy M Swager

Poly(pyridinium phenylene) conjugated polymers are synthesized by a cross-coupling and cyclization sequence. These polyelectrolytes are freely soluble in water and display high degrees of electroactivity. When reduced (n-doped) these materials display in situ conductivities as high as 160 S/cm. The high conductivity is attributed to the planar structure that is enforced by the cyclic structures...

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