Alginate based hydrogel as a potential biopolymeric carrier for drug delivery and cell delivery systems: present status and applications. 2012

Tapan Kumar Giri, and Deepa Thakur, and Amit Alexander, and Ajazuddin, and Hemant Badwaik, and Dulal Krishna Tripathi
Rungta College of Pharmaceutical Sciences & Research, Kohka Road, Kurud, Bhilai-491024, India. tapan_ju01@rediffmail.com

Alginate is a non-toxic, biocompatible and biodegradable natural polymer with a number of peculiar physicochemical properties for which it has wide applications in drug delivery and cell delivery systems. Hydrogel formation can be obtained by interactions of anionic alginates with multivalent inorganic cations by simple ionotropic gelation method. Hydrophilic polymeric network of three dimensional cross linked structures of hydrogels absorb substantial amount of water or biological fluids. Among the numerous biomaterials used for hydrogel formation alginate has been and will continue to be one of the most important biomaterial. Therefore, in view of the vast literature support, we focus in this review on alginate - based hydrogel as drug delivery and cell delivery carriers for biomedical applications. Various properties of alginates, their hydrogels and also various techniques used for preparing alginate hydrogels have been reviewed.

UI MeSH Term Description Entries
D004337 Drug Carriers Forms to which substances are incorporated to improve the delivery and the effectiveness of drugs. Drug carriers are used in drug-delivery systems such as the controlled-release technology to prolong in vivo drug actions, decrease drug metabolism, and reduce drug toxicity. Carriers are also used in designs to increase the effectiveness of drug delivery to the target sites of pharmacological actions. Liposomes, albumin microspheres, soluble synthetic polymers, DNA complexes, protein-drug conjugates, and carrier erythrocytes among others have been employed as biodegradable drug carriers. Drug Carrier
D006603 Hexuronic Acids Term used to designate tetrahydroxy aldehydic acids obtained by oxidation of hexose sugars, i.e. glucuronic acid, galacturonic acid, etc. Historically, the name hexuronic acid was originally given to ascorbic acid. Hexouronic Acids,Acids, Hexouronic,Acids, Hexuronic
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000464 Alginates Salts and esters of ALGINIC ACID that are used as HYDROGELS; DENTAL IMPRESSION MATERIALS, and as absorbent materials for surgical dressings (BANDAGES, HYDROCOLLOID). They are also used to manufacture MICROSPHERES and NANOPARTICLES for DIAGNOSTIC REAGENT KITS and DRUG DELIVERY SYSTEMS. Alginate,Alginic Acid, Barium Salt,Alginic Acid, Calcium Salt,Alginic Acid, Copper Salt,Alginic Acid, Potassium Salt,Alginic Acid, Sodium Salt,Alloid G,Barium Alginate,Calcium Alginate,Calginat,Copper Alginate,Kalrostat,Kalrostat 2,Kaltostat,Potassium Alginate,Sodium Alginate,Sodium Calcium Alginate,Vocoloid,Xantalgin,poly(Mannuronic Acid), Sodium Salt,Alginate, Barium,Alginate, Calcium,Alginate, Copper,Alginate, Potassium,Alginate, Sodium,Alginate, Sodium Calcium,Calcium Alginate, Sodium
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D017690 Cell Transplantation Transference of cells within an individual, between individuals of the same species, or between individuals of different species. Transplantation, Cell
D020136 Hydrogel, Polyethylene Glycol Dimethacrylate A network of cross-linked hydrophilic macromolecules used in biomedical applications fabricated by photopolymerization of polyethylene glycol dimethacrylate. Its general formulae is C3H5C(O)(OCH2CH2)nOC(O)C3H5 where n denotes a number of average polyglycol (OCH2CH2) repeats. PEG-DMA Hydrogel,PEGDMA Hydrogel,Polyethylene Glycol Dimethacrylate Hydrogel,Hydrogel, PEG-DMA,Hydrogel, PEGDMA,PEG DMA Hydrogel,PEG-DMA Hydrogels,PEGDMA Hydrogels
D020723 Glucuronic Acid A sugar acid formed by the oxidation of the C-6 carbon of GLUCOSE. In addition to being a key intermediate metabolite of the uronic acid pathway, glucuronic acid also plays a role in the detoxification of certain drugs and toxins by conjugating with them to form GLUCURONIDES. Glucuronate,Glucuronic Acid, 6-(14)C-labeled, (D)-isomer,Glucuronic Acid, Monopotassium Salt,Glucuronic Acid, Monosodium Salt,Monopotassium Glucuronate,Monosodium Glucuronate,Glucuronate, Monopotassium,Glucuronate, Monosodium

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