Azo polymeric hydrogels for colon targeted drug delivery
All rights reserved 014%9612/95/$10.00 Azo polymeric hydrogels for colon targeted drug delivery K.L. Shantha, P. Ravichandran and K. Panduranga Rao ...
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Use of Azo Polymers for Colon-Specific Drug Delivery
... polymers could have a potential for colon targeting since reduction and ... research in the field of colon drug delivery based on azo polymers. Degradation of ... hydrogels is the cross-linking of polymeric precursors.9r11 The method consists ...
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Azo compounds in colon-specific drug delivery - Taylor & Francis
Use of azo hydrogels in ... field of azo group-facilitated colonic delivery. Keywords: azo polymers, azo reduction, biodegradation, colonic targeting, drug delivery.
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Review Article Colon Targeted Drug Delivery Systems: A Review on
Targeted drug delivery into the colon is highly desirable for .... used as matrices and hydro gels or coating agents) may influence .... Table 4 : Some azo polymer- based drug delivery systems evaluated for colon-specific drug delivery with ...
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Pharmaceutical approaches to colon targeted drug delivery systems.
cines pose potential candidature for colon targeted drug delivery. Methods. The various ... Release of drugs from azo polymer coated dosage forms is supposed to ...... Embedding in biodegradable matrices and hydrogels. Polysaccharides, the ...
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Primary and novel approaches for colon targeted drug delivery – A
developed approaches; evaluation of colon targeted drug delivery systems. Introduction. Targeted drug .... polymers (may be used as matrices and hydro gels or.
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Design and development of hydrogel beads for targeted drug - NCBI
Nov 11, 2006 ... reviewed drug delivery using azo polymers. To promote ... sensitive polymers are not suitable for colon-targeted drug delivery systems because ...
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Colon targeted drug delivery systems – A - Pharmacy Journal
Keyword: Colon drug delivery, Crohn's disease, Inflammatory Bowel Disease. INTRODUCTION: The .... sensitive polymer and it was concluded that azo- aromatic polymer ... . 2. Hydrogels: Hydrogels can be used for site specific delivery.
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Invited Review - International Journal of Pharmaceutical Sciences
colon but also for its potential for the delivery of proteins and therapeutic peptides . To achieve ... targeting of drugs to the colon is to obtain slower release rate or longer release .... Release of the drugs from azo polymer coated formulation is supposed to ..... or sebacoyl chloride to obtain hydrogel forming polymers and their ...
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Hydrogels for Site-Specific Drug Delivery to the Colon: In Vitro and
... reduction of azo bonds. hydrogel swelling colonic drug delivery degradation azoreductase activity ... Targeted enteral delivery of insulin to rats. Int. J. Pharm. ... Reduction of polymeric azo and nitro dyes by intestinal bacteria. Appl. Environ.
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colon targeted drug delivery system: a review - International Journal
Jan 24, 2011 ... polymers for colon-specific drug delivery seems to be a more site-specific ... Hydrogels ... targeting by means of azo polymers is associated with.
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Colon Specific Drug Delivery Systems: A Review on Various
To achieve successful colon targeted drug delivery, a drug need ... reactions carried out by these gut flora are azo reduction and enzymatic cleavage i.e. ...
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Synthesis of Novel Hydrogels based Poly(4-Hydroxyphenylazo-3-N
Dec 27, 2015 ... In recent years azo functionalized polymeric hydrogels are very interesting; it is due to ... To achieve successful colon targeted drug delivery, a.
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colon targeted drug delivery using different approaches - Technical
In the recent times, the colon specific drug delivery system is also gaining ... polymer, coating with biodegradable polymers , embedding in biodegradable matrices, hydrogel, time release ..... targeting by means of azo polymers is associated.
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COLON TARGETED DRUG DELIVERY SYSTEM-AN APPROACH
Aug 14, 2015 ... matrices and hydro gels or coating agents) may influence the release properties as ... (ii) Azo-polymeric approach for drug delivery to the colon.
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Colon targeted drug delivery system: A review on - CiteSeerX
Dec 7, 2013 ... Targeted drug delivery to the colon to ensure that direct treatment at the disease ...... Azo polymeric hydrogels for colon targeted drug delivery.
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COLON TARGETED DRUG DELIVERY: CURRENT AND NOVEL
Jan 21, 2012 ... targeted drug delivery is a relatively new concept for the absorption of drugs as it offers near neutral pH. ... azo polymeric approach, polysaccharide approach. ... osmotic controlled drug delivery, hydrogels based systems ...
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NOVEL APPROACHES AND DEVELOPMENTS IN COLON
delivery systems based on pectin and galactomam coating, hydrogels, .... Targeted drug delivery to the colon would ensure direct treatment at the disease site, .... development novel azo-bond based polymer for the purpose of obtaining ...
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Novel Prospective in Colon Specific Drug Delivery System ... Key words: targeted drug delivery, colonic delivery, natural polymer, colonic bacteria. Polim. Med ..... degradation of azo crossed links polymers is generally .....  Yeh P.Y., Kopeckova P., Kopecek J.: Degradability of hydrogels containing azoaromatic crosslinks.
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Review on Recent and Novel Approaches to Colon Targeted Drug
Apr 25, 2015 ... Keywords: Colon targeted drug delivery system, Prodrug, PH ..... Azo hydrogel vi. ... The polymers described as pH dependent in colon specific.
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