hydroxypropyl cellulose


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hydroxypropyl cellulose

 [hi-drok″se-pro´pil sel´u-lōs]
a water-soluble derivative of cellulose, used as an pharmaceutic aid and also applied topically to the conjunctiva to protect and lubricate the cornea in the treatment of dry eye.
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(12) Among the cellulose ether derivatives, hydroxypropyl methyl cellulose (HPMC) has been widely investigated for its drug-releasing effect as compared with methyl cellulose and hydroxypropyl cellulose (HPC).
Environmental friendly hydroxypropyl cellulose (HPC) hydrogels were fabricated with graphene oxide (GO) [44].
The frequently used cellulose- ethers are methyl hydroxyethyl cellulose and methyl hydroxypropyl cellulose [6-8].
Where, A is a polyoxyethylene alkyl ether sulfate; B is a cation group-containing polymer having a cationic charge density of from 4.5 to 7 meq/g; C is cationized hydroxypropyl cellulose; and D is water.
Gao, Synthesis and light scattering study of hydroxypropyl cellulose microgels, Macromolecules, 33, 8698 (2000).
Ma'soumeh Baqeri, one of the researchers, hydroxypropyl cellulose (HPC) was chosen in this research as a natural, biocompatible and biodegradable polymer, and the new bi-polymer was produced based on it.
[7] The most commonly used cellulose ethers include the following: Hydroxypropyl methyl cellulose (HPMC), hydroxypropyl cellulose (HPC), sodium carboxymethyl cellulose (Na-CMC), and methylcellulose (MC).
and Michona, C., "Oil/Water Surface Rheological Properties of Hydroxypropyl Cellulose (HPC) Alone and Mixed with Lecithin: Contribution to Emulsion Stability." Colloids Surf., A.
The various approaches that have been studied for colon drug delivery system (CDDS) via oral route include use of pH-sensitive polymers (methacrylic resins and cellulose acetate phthalate) [13,14], time-dependent delivery which includes use of hydroxypropyl cellulose and hydroxypropyl methyl cellulose [15, 16], and pressure-dependent system [17].
They concern the following food additives: carbonic anhydride (E290), rosemary extract (E392), soybean hemicellulose (E426), cassia gum (E427), hydroxypropyl cellulose (E463), hydrogen (E949), polyvinyl alcohol (E1203) andapolyethylene glycol (E1521).
They used an NIRCI system, Malvern Instrument's SyNIRgi, to image different components in the granular structures of sugar spheres bound with polyethylene glycol (PEG) and Dmannitol bound with an aqueous solution of hydroxypropyl cellulose (HPC).
Aton Pharma also provides the dry eye medication LACRISERT (hydroxypropyl cellulose ophthalmic insert), a preservative-free, once-daily*, sustained release prescription insert indicated for moderate to severe dry eye, that helps to retain moisture, stabilize the tear film, and lubricate the eye.