نتایج جستجو برای: hydroxypropylmethyl cellulose

تعداد نتایج: 30032  

Journal: : 2023

The peculiarities of the technology hybrid modification lignite humic acids biodegradable films based on hydroxypropylmethylcellulose are considered. As a result conducted research, with antibacterial properties were obtained for first time. Hydroxypropylmethylcellulose Walocel brand was used production films, and citric acid (99.88%) according to GOST 3652 is as catalyst crosslinking polymer f...

Journal: :Investigative ophthalmology & visual science 2011
Vanessa Andrés-Guerrero Irene T Molina-Martínez Assumpta Peral Beatriz de las Heras Jesús Pintor Rocío Herrero-Vanrell

PURPOSE 5-Methoxy-carbonylamino-N-acetyltryptamine (5-MCA-NAT, a melatonin receptor agonist) produces a clear intraocular pressure (IOP) reduction in New Zealand White rabbits and glaucomatous monkeys. The goal of this study was to evaluate whether the hypotensive effect of 5-MCA-NAT was enhanced by the presence of cellulose derivatives, some of them with bioadhesive properties, as well as to d...

Journal: :Nanoscale 2015
Yuanyuan Song Yaoquan Jiang Liyi Shi Shaomei Cao Xin Feng Miao Miao Jianhui Fang

Natural biomass based cellulose nanopaper is becoming a promising transparent substrate to supersede traditional petroleum based polymer films in realizing future flexible paper-electronics. Here, ultrathin, highly transparent, outstanding conductive hybrid nanopaper with excellent mechanical flexibility was synthesized by the assembly of nanofibrillated cellulose (NFC) and silver nanowires (Ag...

2012
Aml Mekkawy M. Fathy Sohair El-Shanawany

Aim: Topical drug delivery of fluconazole, an antifungal drug, in gel form was formulated to avoid the side effect of the oral route. Methodology: Different polymers; Sodium carboxymethyl cellulose, Sodium alginate, Carbopol 934P, Hydroxypropylmethyl cellulose, Pluronic F-127 and hydroxypropyl cellulose, were used. The compatibility of fluconazole and different gelling polymer was assessed thro...

2016
C. P. Jain Garima Joshi Udichi Kataria Komal Patel

Buccal bioadhesive bilayer tablets of prochlorperazine maleate were designed and formulated by using buccoadhesive polymers such as hydroxypropylmethyl cellulose, Carbopol 934P, and sodium alginate. Physicochemical characteristics like the uniformity of weight, hardness, thickness, surface pH, drug content, swelling index, microenvironment pH, in vitro drug release, and in vivo buccoadhesion ti...

Journal: : 2022

This paper presented the synthesis of Ag nanoparticles (Ag NPs) by chemical reduction method which is simple and environmentally friendly. Silver nitrate, hydroxypropylmethyl cellulose (HPMC), glucose were used as silver precursors, protective agents, reducing respectively. The effects AgNO3 concentration, HPMC content, reaction time, temperature on formation NPs investigated. properties analyz...

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