نتایج جستجو برای: poly methyl ethyl cyanoacrylate

تعداد نتایج: 214611  

Journal: :Journal of controlled release : official journal of the Controlled Release Society 2007
Florian C Gaertner Robert Luxenhofer Birgit Blechert Rainer Jordan Markus Essler

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...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2009
Summer K Rhodes Robert H Lambeth Jaime Gonzales Jeffrey S Moore Jennifer A Lewis

We investigate the ability of a cationic comb polymer composed of a poly(trimethylammonium iodide ethyl methacrylate) (PTMAM) backbone and uncharged poly(ethylene glycol) (PEG) teeth to stabilize aqueous silica suspensions of varying ionic strength and pH. Both PTMAM-g-PEG and its homopolymer backbone, PTMAM, are synthesized via reversible addition-fragmentation chain transfer followed by quate...

Journal: :Chemical communications 2010
Davide Brambilla Julien Nicolas Benjamin Le Droumaguet Karine Andrieux Véronique Marsaud Pierre-Olivier Couraud Patrick Couvreur

Rhodamine B-tagged poly(alkyl cyanoacrylate) amphiphilic copolymers have been synthesised, characterised and successfully used to prepare fluorescent nanoparticles for human brain endothelial cell imaging, allowing their uptake and intracellular trafficking to be finely observed.

Journal: :Nanotechnology 2016
O Synooka K-R Eberhardt J Balko T Thurn-Albrecht G Gobsch W Mitchell S Berny M Carrasco-Orozco H Hoppe

We report high photovoltaic performance of a novel donor-acceptor (D-A) conjugated polymer poly[2,6[4,8-bis(2-ethyl-hexyl)benzo[1,2-b;4,5-b']dithiophene-co-2,5-thiophene-co-4,7[5,6-bis-octyloxy-benzo[1,2,5]thiadiazole]-co-2,5-thiophene] (PBDTTBTZT) in bulk heterojunctions with [6,6]-phenyl-C71-butyric acid methyl ester (PC70BM). A power conversion efficiency (PCE) of more than 7% is obtained fo...

Journal: :Chemical communications 2009
Avijit Goswami Taichi Ito Naoko Saino Kouki Kase Chikashi Matsuno Sentaro Okamoto

A NiCl(2)-6H(2)O/Zn reagent with a 2-aryliminomethylpyridine ligand catalyzed cyclization/polymerization of 1,6-diynes to yield mainly the corresponding poly(1,3-butadienylene) compounds, whereas NiBr(2)-3H(2)O/Zn with the use of 3-(2-(2-methoxyethoxy)-ethyl)-1-methyl-1H-imidazol-3-ium bromide as a ligand converted 1,6-diynes to the corresponding annulated 1,3,5,7-cyclooctatetraenes in a biphas...

Journal: :Chemsuschem 2021

Self-assembled monolayers (SAMs) based on Br-2PACz ([2-(3,6-dibromo-9H-carbazol-9-yl)ethyl]phosphonic acid) 2PACz ([2-(9H-Carbazol-9-yl)ethyl]phosphonic and MeO-2PACz ([2-(3,6-dimethoxy-9H-carbazol-9-yl)ethyl]phosphonic molecules were investigated as hole-extracting interlayers in organic photovoltaics (OPVs). The highest occupied molecular orbital (HOMO) energies of these SAMs measured at −6.0...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد علوم دارویی - دانشکده داروسازی 1392

از آنجا که دانه ی گیاه خرفه منبع غنی ای از اسید های چرب ضروری میباشد لذا نیازمند روشی کارامد جهت استخراج بهینه این اسیدهای چرب میباشیم.با توجه به مزایای روش استخراج با سیال فوق بحرانی شامل سرعت استخراج,گزینش پذیری و کنترل حلالیت,اثر پیش تغلیظ کنندگی, کمی بودن استخراج,تمیزی و ایمنی, دمای پایین ,سادگی ,صرفه جویی در هزینه و قابلیت ادغام با تکنیک های دیگراین روش جدید استخراج برای استخراج اسیدهای چر...

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