[PDF] Top 20 COLON TARGETING MICROSPHERE: A REVIEW

... There are various approaches in delivering a therapeutic substance to the target site in a sustained controlled release fashion. One such approach is using microspheres as carriers for drugs. The colon specific ... See full document

... In pharmaceutical research, the focus is steadily shifted from the development of new chemical entities to the development of novel drug delivery system of existing drug molecule to maximize their effectiveness in terms ... See full document

... for targeting drug to the colon. Colon has proved to be a site for the absorption of poorly soluble ...as colon drug delivery System has gained importance for the delivery of the drug in the ... See full document

... esters (OCAM, OCAOCT, and OCACET) by reacting oxidized cellulose acetate (OCA) with methanol, octanol, and cetyl alcohol, respectively, using dicyclohexylcarbodiimide (DCC) and 4,4’- dimethylaminopyridine (DMAP) as ... See full document

... Colon was considered as a part of body solely responsible for absorption of water, electrolyte and temporary storage of stools, but now it is accepted as an important site for drug delivery. Targeted delivery ... See full document

... responsive carriers have been proposed for chemo-therapeutic agents. These include magnetite containing matrices (microspheres or nanoparticles of the starch, albumin, ethyl cellulose, etc.), ethyloleate based emulsion ... See full document

... CONCLUSION: Budesonide microspheres were prepared successfully by using ionotropic gelation method. The method is simple and reproducible. Microspheres exhibited spherical shape and have good entrapment efficiency. The ... See full document

... The microsphere is sometimes referred to as microparticles and these a small spherical particle with the diameter in the micrometer ...for colon-specific drug delivery ...for targeting drugs to the ... See full document

... nasal, colon etc can be termed as bio ...urinary, colon and gastrointestinal tract, thus offering the possibilities of localized as well as systemic controlled release of ... See full document

... Microspheres are frequently used drug delivery system and may also possess mucoadhesive properties. Due to their micrometer size they may be applied to mucosa, where the other dosage forms, e.g. tablet, would represent a ... See full document

... space ,then the worm-like filomicelles might be able to align with persistent flows and also transport through paracellular transport 71 (Fig. 2).Locally targeted delivery of drugs to the lung vasculature might be ... See full document

... Abstract: Microspheres are characteristically free flowing powders consisting of proteins or synthetic polymers which are biodegradable in nature and ideally having a particle size less than 200 µm. A well designed ... See full document

... Oral colon targeted drug delivery systems has increased, for treatment of local colonic ...because colon is rich in lymphoid tissue, uptake of antigens into the mast cells of the colonic mucosa produces ... See full document

... The colon extends from the ileo-caecal junction to the anus and is approximately 125cm long in vivo (Figure ...sigmoid colon, rectum and anus. The caecum is the widest part of the colon and is a ... See full document

... pH in transverse colon is 6.6, in descending colon 7.0 . Use of pH dependent polymers is based on these differences in pH levels. The polymers described as pH dependent in colon specific drug ... See full document

... Targeting of drugs to the colon by the oral route could be achieved by different approaches including matrix and coated systems. The method by which the drug release will be triggered by the colonic flora ... See full document

... Total RNA extraction and mRNA reverse transcription were performed according to the previous study. 21 AceQ qPCR SYBR Green Master Mix (Vazyme, Nanjing, China) was applied to analyze the expression of ATG3 and miR-431-5p ... See full document

... The results of this study revealed that Guar gum: Cellulose acetate blends are highly promising film coating material for targeting the colonic site. Mainly, desired system properties, being adapted to the ... See full document

... to confirm precisely the domination mechanism, the data was plotted according to Korsemeyer’s equation. The resultant ‘n’ values was >1, for the all coated beads, indicating the super-case II transport mechanism. ... See full document

... Use of high molecular weight polysaccharides like alginate, pectin, guar gum, chitosan etc. have mostly been limited to pharmaceutical aids except for the colon targeting since last two decades. Various ... See full document