نتایج جستجو برای: glycolide
تعداد نتایج: 1201 فیلتر نتایج به سال:
Submit Manuscript | http://medcraveonline.com Abbreviations: HPMC: Hydroxypropyl Methylcellulose; MC: Methylcellulose; PLGA: Poly (Lactide-co-Glycolide); CAP: Cellulose Acetate Phthalate; LCST: Low Critical Solution Temperature; UCST: Upper Critical Solution Temperature; PPO: Polypropylene Oxide; PEO: Polyethylene Oxide; MTA: Methozolamide; PNIPAAm: Poly (N-Isopropylacrylamide); GC: Guluronic A...
Conjugation of polyamidoamine dendrimers on biodegradable microparticles for nonviral gene delivery.
We report on the preparation and characterization of poly(D, L-lactide-co-glycolide) (PLGA) microparticles with surface-conjugated polyamidoamine (PAMAM) dendrimers of varying generations. The buffering capacity and zeta-potential of the PLGA PAMAM microparticles increased with increasing generation level of the PAMAM dendrimer conjugated. Conjugation of the PAMAM dendrimer to the surface of th...
We assessed the rate of release of a model nucleoside (adenosine, 5%, w/w) from nine different lactide-glycolide or lactide-caprolactone polymers. The polymer discs were eluted every second day with an artificial cerebrospinal fluid at the elution rate roughly approximating the brain extracellular fluid formation rate. Adenosine in eluate samples was assayed by HPLC. Three polymers exhibited a ...
Using an electrospinning technique, we constructed composite nanofibrous membranes containing a copolymer of L-lactide and glycolide (PLGA, ratio 85:15) and 33% wt.% of nanodiamond particles. The number of initially adhering human osteoblast-like MG 63 cells on day 1 after seeding, their spreading and subsequent growth were similar on both types of membranes. However, higher cell numbers on day...
Poly(DL-lactide-co-glycolide) (PLG) microparticles were developed as carriers for isoniazid and rifampin in order to improve compliance of tuberculous chemotherapy. Antitubercular drugs encapsulated in PLG polymers and injected in a single dose subcutaneously resulted in a sustained release (up to 6 weeks) of drugs in various organs of mice. Further, Mycobacterium tuberculosis H(37)Rv-infected ...
Synthetic polymers belonging to the aliphatic polyester group have become highly promising biomaterials for reconstructive medicine. The purpose of the present work is a biological evaluation of lactide-glycolide co-polymer (PLGA) and its composites with carbon fibers (PLGA+CF) or hydroxyapatite (PLGA+HA). The cytotoxicity of the evaluated materials towards hFOB 1.19 human osteoblast-like cells...
Praziquantel has been shown to be highly effective against all known species of Schistosoma infecting humans. Spherical nanoparticulate drug carriers made of poly(D,L-lactide-co-glycolide) acid with controlled size were designed. Praziquantel, a hydrophobic molecule, was entrapped into the nanoparticles with theoretical loading varying from 10 to 30% (w/w). This study investigates the effects o...
Bevacizumab (Avastin(®)) has been used by ophthalmologists in many countries as an off-label drug for the treatment of wet age-related macular degeneration (AMD). Due to its short half-life necessitating frequent intravitreal injection, a method for sustained delivery is in need. We demonstrated that bevacizumab could be released in a sustained fashion over 90 days from nano- and microspheres f...
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