نتایج جستجو برای: polyethyleneglycol 200

تعداد نتایج: 139290  

Journal: :iranian journal of pharmaceutical sciences 0
sampathi sunitha department of pharmaceutics, national institute of pharmaceutical education and research (niper-hyd) wankar jitendra junior research fellow, center for cellular and molecular biology (ccmb), tarnaka, hyderabad, a.p., india dodoala sujatha department of pharmacology and toxicology, national institute of pharmaceutical education and research (niper-hyd), balanagar mankala santhosh kumar department of pharmaceutics, srikrupa institute of pharmaceutical sciences, vill: velkatta, mdl: kondapak, rd: siddipet, dist: medak, andhra pradesh - 502277, india.

the available minoxidil formulations for topical application suffer with major drawback having less contact time with the scalp which requires repeated application. hence, the present study was aimed to investigate the effect of microemulsions and microemulsion based hydrogel systems (mehs) for increased percutaneous penetration of minoxidil. minoxidil microemulsions were developed by following...

Journal: :Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 2005
Darío Spelzini Beatriz Farruggia Guillermo Picó

The partitioning of chymosin (from Aspergilus niger) and pepsin (from bovine stomach) was carried out in aqueous-two phase systems formed by polyethyleneglycol-potassium phosphate. The effects of polymer concentration, molecular mass and temperature were analysed. The partition was assayed at pH 7.0 in systems of polyethyleneglycol of molecular mass: 1450, 3350, 6000 and 8000. Both proteins sho...

Journal: :Infection and immunity 1979
K E Magnusson E Kihlstrom A Norqvist J Davies S Normark

The effect of iron concentration during growth on the physicochemical surface properties of the colonial variants of Neisseria gonorrhoeae has been assessed by aqueous two-phase partitioning in a dextran-polyethyleneglycol system containing positively charged trimethylamino-polyethyleneglycol or hydrophobic polyethyleneglycol-palmitate. The complex effects of iron, in combination with other var...

Journal: :Chemical Bulletin of Kazakh National University 2021

Gold nanoparticles (GNPs) protected by poly(2-ethyl-2-oxazoline) (POZ) of different molecular weights (Mw = 5, 50, 200 and 500 kDa) were synthesised characterised dynamic light scattering, nanoparticle tracking analysis, zeta potential measurement transmission electron microscopy. It was established that the use POZ with 50 kDa resulted in formation GNPs low polydispersity while greater led to ...

Journal: :Journal of the Spectroscopical Society of Japan 1962

Dodoala Sujatha Mankala Santhosh Kumar Sampathi Sunitha Wankar Jitendra

The available minoxidil formulations for topical application suffer with major drawback having less contact time with the scalp which requires repeated application. Hence, the present study was aimed to investigate the effect of microemulsions and microemulsion based hydrogel systems (MEHs) for increased percutaneous penetration of minoxidil. Minoxidil microemulsions were developed by following...

Journal: :Anticancer research 2004
Phillip J Stevens Masaru Sekido Robert J Lee

PURPOSE This study was aimed at the synthesis, formulation and in vitro evaluation of folate receptor (FR)-targeted solid-lipid nanoparticles (SLNs) as a carrier for a lipophilic derivative of the photosensitizer hematoporphyrin (Hp), in FR-overexpressing tumor cells. MATERIALS AND METHODS FR-targeted hematoporphyrin-stearylamine (HpSa) SLN composed of Triolein:Egg-phosphatidylcholine (EPC):T...

Journal: :Journal of lipid research 1988
U Lippi M S Graziani M Schinella F Manzato R Bazzani

A procedure is presented and evaluated for separation of plasma high density lipoprotein from either capillary or venous whole blood. The lipoprotein is separated by adding 50 microliter of sample to 250 microliter of 0.15 M NaCl solution containing 99.9 g/l polyethyleneglycol 6000, 0.0374 g/l dextran sulfate (Mr 15,000) and 2.6 mM Mg2+. After gentle mixing for a few minutes and standing 10 min...

2006
Gang Li Ruixue Li Qiuyun Liu Qiang Wang Min Chen Baojian Li

A highly efficient transformation system mediated by polyethylene glycol was developed for the cultivated mushroom Pleurotus ostreatus. Eighty to 180 integrative and stable-resistant colonies appeared per mg of DNA per 10 viable protoplasts in a transformation experiment with the hygromycin B phosphotransferase gene (hph), which is about 40–1800 times higher than that previously reported in P. ...

Journal: :The Journal of the Society of Chemical Industry, Japan 1955

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