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2 edition of Mechanical properties of hydroxypropylmethyl cellulose films derived from aqueous systems found in the catalog.

Mechanical properties of hydroxypropylmethyl cellulose films derived from aqueous systems

Majid Hamid Abdul-Razzak

Mechanical properties of hydroxypropylmethyl cellulose films derived from aqueous systems

by Majid Hamid Abdul-Razzak

  • 333 Want to read
  • 24 Currently reading

Published by Leicester Polytechnic in Leicester .
Written in English


Edition Notes

Thesis (M.Phil.) - Leicester Polytechnic, Leicester 1980.

StatementMajid Hamid Abdul-Razzak.
ContributionsLeicester Polytechnic. School of Pharmacy.
ID Numbers
Open LibraryOL22480825M

Methods, apparatus, products, and/or systems relating to making or using nanocrystalline (NC) products comprising a combination of one or more of nanocrystalline cellulose (NCC), nanocrystalline (NC) polymers, nanocrystalline (NC) plastics or other nanocrystals of cellulose composites or structures that have been processed into one or more of solid, flake, particles or other forms with vapor.   7. A system according to claim 1 wherein the first film-forming, water-soluble polymer comprises hydroxypropylmethyl cellulose (HPMC). 8. A system according to claim 7 wherein the hydroxypropylmethyl cellulose (HPMC) has an estimated average molecular weight in the range about 10 2 to about 10 6 based upon intrinsic viscosity measurements. 9.

  A method of making an oral soluble film, containing at least one active agent, includes providing a well of a predetermined size; depositing a film forming composition in the well; depositing an active agent composition in the well, the active agent composition being different than the film forming composition, the film forming composition and the active agent composition forming an admixture. Bonferoni MC, Rossi S and Tamayo M: on the employment of λ-carrageenan in a matrix system. II. λ-Carrageenan and hydroxypropylmethyl cellulose mixtures. J Control Rel ; Dinda SC and Mukharjee B: Gum cordia - A new tablet binder and emulsifier. Acta Pharm Sci ;

  Pharmaceutical Creams And Gels - authorSTREAM Presentation Gelling agents such as carboxymethyl cellulose sodium, hydroxypropylmethyl cellulose, and sodium alginate form gels over a wide pH range (4 – 10). Hydroxyethyl cellulose forms gel at alkaline pH condition. flexible films prepared by drying aqueous dispersions of solid paraffin. The aim of this book is to compile major drug delivery systems and offer a source of information for all those working in pharmaceutical academia as well as industry. The book is made available.


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Mechanical properties of hydroxypropylmethyl cellulose films derived from aqueous systems by Majid Hamid Abdul-Razzak Download PDF EPUB FB2

The Mechanical Properties of Hydroxypropylmethylcellulose Films Derived from Aqueous Systems Part 1: The Influence of Plasticisers Article in Drug Development and Industrial Pharmacy 7(6) Cellulose polymers (Fig.

) are made from dissolving include cellulose xanthate (a bright orange–colored solution formed by reaction of alkali cellulose with carbon disulfide, which is an intermediate product that on acidification forms regenerated cellulose such as cellophane, rayon, and meat casings), cellulose acetate (a plastic used in films, eyeglass frames, cigarette.

Mechanical Properties of Polyelectrolyte Complex Films Based on Polyvinylamine and Carboxymethyl Cellulose August Industrial & Engineering Chemistry Research 45(20). Hydroxypropyl methylcellulose (HPMC) belongs to the group of cellulose ethers in which hydroxyl groups have been substituted with one or more of the three hydroxyl groups present in the cellulose ring (Fig.

).HPMC is hydrophilic (water soluble), a biodegradable, and biocompatible polymer having a wide range of applications in drug delivery, dyes and paints, cosmetics, adhesives, coatings. Full Article. Nanocellulose in Thin Films, Coatings, and Plies for Packaging Applications: A Review.

Martin A. Hubbe, a Ana Ferrer, b Preeti Tyagi, a Yuanyuan Yin, a.c Carlos Salas, a Lokendra Pal, a and Orlando J. Rojas a,d This review article was prompted by a remarkable growth in the number of scientific publications dealing with the use of nanocellulose (especially nanofibrillated.

Spence KL, Venditti RA, Habibi Y, Rojas OJ, Pawlak JJ. The effect of chemical composition on microfibrillar cellulose films from wood pulps: mechanical processing and physical properties.

Bioresour Technol. ;(15)–8. CrossRef Google ScholarCited by: 1. Cellulose-based hydrogels: Designing concepts, properties, and perspectives for biomedical and environmental applications M.-D. Onofrei and A.

Filimon* Physical Chemistry of Polymers Department, “Petru Poni” Institute of Macromolecular Chemistry, Iasi. Because of these advantages, cellulose-based hydrogels are preferred to be used in industrial pharmaceutics and biomedical fields.

This chapter will discuss applications of cellulose-based hydrogels in pharmaceutical industry and biomedical fields such as drug release systems, wound healing, and tissue engineering. Besides LPU coatings, it was recently reported that the antimicrobial activity of various lignin-derived cellulose and cellulose/chitosan composites against S.

aureus and E. coli. A comparison of hydroxypropylmethyl cellulose/lignin films were blended with Kraft lignin in Cited by: 1. You can write a book review and share your experiences. Other readers will always be interested in your opinion of the books you've read.

Whether you've loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them. The optimised amphotericin B orodispersible films (containing 1% AmB, 25% dextran, 25% maltodextrin, 5% sorbitol, 10% Avicel10% polyethylene glycol10% glycerol, 3% hydroxypropylmethyl cellulose acetate succinate, 12% hydroxypropyl cellulose) possessed a fast disintegration time (60 ± 3 s), quick release in artificial saliva (>80% Author: Dolores R.

Serrano, Raquel Fernandez-Garcia, Marta Mele, Anne Marie Healy, Aikaterini Lalatsa. Alternative binders for sustainable electrochemical energy storage – the transition to aqueous electrode processing and bio-derived polymers and no change in stiffness and mechanical properties; this allows direct contact with the renewed active material surface, since the use of hydroxypropylmethyl cellulose (HPMC) instead of CMC led Cited by: Fabrication and Analysis of Hydroxypropylmethyl Cellulose and Pectin based controlled release matrix Tablets loaded with Loxoprofen Sodium spasmolytic and prokinetic properties of aqueous methanol extract of Buxus sempervirens Linn (Buxaceae) in vitro comparison of sustained release hydroxypropylmethyl cellulose and lipid-based matrix.

They perform a variety of functions without which these products would be significantly more expensive, less effective or n for research, development and formulation chemists, technologists and engineers at graduate level and beyond in the fine and specialty chemicals, polymers, food and pharmaceutical industries, the Handbook of.

Main Cellulose Science and Technology: Chemistry, Analysis, and Applications. Cellulose Science and Technology: Chemistry, Analysis, and Applications properties oxygen nmr delignification cellulose science lignin chem fibers cncs chemical You can write a book review and share your.

Mucin networks are formed in the oral cavity by complexation of glycoproteins with other salivary proteins, yielding a hydrated lubricating barrier. The function of these networks is linked to their structural, chemical, and mechanical properties.

Yet, as these properties are interdependent, it is difficult to tease out their relative by: Continuous Production of Cellulose Microbeads via Membrane EmulsificationCited by:   Polymers are being used extensively in drug delivery due to their surface and bulk properties.

They are being used in drug formulations and in drug delivery devices. These drug delivery devices may be in the form of implants for controlled drug delivery. Polymers used in colloidal drug carrier systems, consisting of small particles, show great advantage in drug delivery systems because of Cited by: Nanocelluloses, derived from the biopolymer cellulose, are a class of sustainable functional nanomaterials featuring exciting properties.

They were extensively researched as key components in the design of super capacitors, pH-responsive reversible flocculants, aerogels, sensors, pharmaceuticals, chiral materials and by:   Cellulose Ethers: Hydroxypropylmethyl cellulose (HPMC) Hydroxypropyl cellulose (HPC) Hydroxyethyl cellulose (HEC) Sodium carboxy methyl cellulose (Na-CMC) They are mainly used as binders, coating agents, emulsifying, stabilizing, agents, and tablet disintegrants.

Sodium CMC: It is used as an emulsifying agent in pharmaceuticals, and in cosmetics. According to UNAIDS, as there is still no effective vaccine against HIV, pre-exposure prophylasis (PrEP) is necessary to reduce its incidence.

Sexual transmission rate is higher from men to women in developing countries and vertical transmission may also occur from mother to child. Hence, vaginal formulations are an interesting proposal for the protection of women, preventing the virus from Author: María-Dolores Veiga-Ochoa, Roberto Ruiz-Caro, Raúl Cazorla-Luna, Araceli Martín-Illana, Fernando Not.Antimicrobial food packaging is one of the major innovations in the field of packaging technology.

To extend food shelf life and to contribute to the consumer’s health are the main challenges of the.Properties Avicel. Cellulose and starch are both condensation polymers of glucose.

The differences in linkages between the glucose units however are sufficiently great to cause great differences in properties. Pure cellulose is substantially insoluble in water, while starch can be readily dissolved in hot water.