نتایج جستجو برای: poly s
تعداد نتایج: 784077 فیلتر نتایج به سال:
Here we report on the preparation of well defined water-soluble poly(2-methyl-2-oxazoline) and poly(2-ethyl-2-oxazoline) terminally equipped with a chelator (N,N',N'',N'''-tetraazacylododecane-1,4,7,10-tetraacetic acid (DOTA)) for radionuclide labeling. The tissue distribution and excretion of (111)In-labeled poly(2-alkyl-2-oxazoline)s were studied in mice. We found that the hydrophilic polymer...
Poly(isoprene)s of different molecular structures have been synthesized with various catalysts based on complexes Nd-, Co-, and Fe-bearing pyridylimine, phosphine, bipyridine ligands. essentially cis-1,4 structure, 3,4 syndiotactic regular alternating cis-1,4-alt-3,4 structure obtained. Moreover, polymers an unusual prevalent but containing units sequences lengths (3 or 5 units) within the chai...
For many decades, poly(2-oxazoline)s and poly(2-oxazine)s, two closely related families of polymers, have led the life a rather obscure research topic with only few groups world-wide working them. This has changed in last five to ten years, presumably triggered significantly by very promising clinical trials first poly(2-oxazoline)-based drug conjugate. The huge chemical structural toolbox poly...
An initial stage of fibrillogenesis in solutions of glutathione S-transferase-huntingtin (GST-HD) fusion proteins has been studied by using dynamic light scattering. Two GST-HD systems with poly-L-glutamine (polyGln) extensions of different lengths (20 and 51 residues) have been examined. For both systems, kinetics of z-average translation diffusion coefficients (Dapp) and their angular depende...
اکسیدهای پلی وینیل پیریدین poly (vinylpyridine n-oxides) قبلا" ساخته و مورد مطالعه قرار گرفته اند. مطالعات نشان دهنده فعال بودن این نوع بیوپلی مرها در مقابل بیماری (silicosis) بوده است . در این کار تحقیقی برای پیشبرد مطالعات در مورد بیوپلی مرهای جدید ضد (silicosis) اکسید وینیل پیریمیدین poly (4-vinylpyrimedine n-oxide)(xiv) طی چندین مرحله واکنش ساخته و مطالعه شده است . منحنی تغییرات ویسکوزیته ن...
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