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Showing 13 to 24 of 467 entries
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Purification and characterization of a pyruvated-mannose-specific xanthan lyase from heat-stable, salt-tolerant bacteria.

Applied and environmental microbiology

Ahlgren JA.
PMID: 16348550
Appl Environ Microbiol. 1991 Sep;57(9):2523-8. doi: 10.1128/aem.57.9.2523-2528.1991.

A xanthanase complex secreted by a consortium of heat-stable, salt-tolerant bacteria includes a lyase that specifically removes terminal pyruvated beta-d-mannose residues from the side chains of xanthan gum. The enzyme was purified to homogeneity from the culture broth following...

Characterization of indomethacin release from polyethylene glycol tablet fabricated with mold technique.

Indian journal of pharmaceutical sciences

Mesnukul A, Yodkhum K, Mahadlek J, Phaechamud T.
PMID: 20582196
Indian J Pharm Sci. 2010 Jan;72(1):92-100. doi: 10.4103/0250-474X.62255.

The purpose of this study was to use polyethylene glycol as a carrier to improve the solubility of an aqueous insoluble drug by melting and molding method. The release of dissolved drug was designed to be subsequently sustained with...

Xanthan gum: production, recovery, and properties.

Biotechnology advances

García-Ochoa F, Santos VE, Casas JA, Gómez E.
PMID: 14538095
Biotechnol Adv. 2000 Nov 01;18(7):549-79. doi: 10.1016/s0734-9750(00)00050-1.

Xanthan gum is a microbial polysaccharide of great commercial significance. This review focuses on various aspects of xanthan production, including the producing organism Xanthomonas campestris, the kinetics of growth and production, the downstream recovery of the polysaccharide, and the...

Development and evaluation of chitosan based oral controlled matrix tablets of losartan potassium.

International journal of pharmaceutical investigation

Rao TV, Kumar GK, Ahmed MG, Joshi V.
PMID: 23373007
Int J Pharm Investig. 2012 Jul;2(3):157-61. doi: 10.4103/2230-973X.104399.

AIM AND BACKGROUND: The novelty of the present study was to control the release profile of matrix tablets of losartan potassium prepared by using different concentrations of chitosan and trisodium citrate as cross-linking agent with combination of various release...

Investigation of microemulsion system for transdermal delivery of itraconazole.

Journal of advanced pharmaceutical technology & research

Chudasama A, Patel V, Nivsarkar M, Vasu K, Shishoo C.
PMID: 22171289
J Adv Pharm Technol Res. 2011 Jan;2(1):30-8. doi: 10.4103/2231-4040.79802.

A new oil-in-water microemulsion-based (ME) gel containing 1% itraconazole (ITZ) was developed for topical delivery. The solubility of ITZ in oils and surfactants was evaluated to identify potential excipients. The microemulsion existence ranges were defined through the construction of...

Graphene oxide as a high-performance fluid-loss-control additive in water-based drilling fluids.

ACS applied materials & interfaces

Kosynkin DV, Ceriotti G, Wilson KC, Lomeda JR, Scorsone JT, Patel AD, Friedheim JE, Tour JM.
PMID: 22136134
ACS Appl Mater Interfaces. 2012 Jan;4(1):222-7. doi: 10.1021/am2012799. Epub 2011 Dec 13.

Graphene oxide (GO) performs well as a filtration additive in water-based drilling fluids at concentrations as low as 0.2 % (w/w) by carbon content. Standard American Petroleum Institute (API) filtration tests were conducted on pH-adjusted, aqueous dispersions of GO...

Development and evaluation of microbial degradation dependent compression coated secnidazole tablets for colonic delivery.

Indian journal of pharmaceutical sciences

Sridhar BK, Srinatha A, Zaman BB, Ragunandan H.
PMID: 23112398
Indian J Pharm Sci. 2011 Nov;73(6):641-8. doi: 10.4103/0250-474X.100238.

The present paper describes development of a polysaccharide based compression coated tablets of secnidazole for colon delivery. Core tablet containing secnidazole was compression coated with various proportions of guar gum, xanthan gum and chitosan, either alone or in combinations....

Xanthan from sulphuric acid treated tapioca pulp: influence of acid concentration on xanthan fermentation.

Carbohydrate polymers

Gunasekar V, Reshma KR, Treesa G, Gowdhaman D, Ponnusami V.
PMID: 24507334
Carbohydr Polym. 2014 Feb 15;102:669-73. doi: 10.1016/j.carbpol.2013.11.006. Epub 2013 Nov 13.

Xanthan gum was produced by fermentation of sulphuric acid pre-treated tapioca pulp. Effect of sulphuric acid concentration (0.5%, 2.5% and 5.0%) on xanthan fermentation was investigated. Maximum xanthan yield (7.1g/l) was obtained with 0.5% sulphuric acid pre-treatment. Further, increase...

Mineralization of hydroxyapatite upon a unique xanthan gum hydrogel by an alternate soaking process.

Carbohydrate polymers

Izawa H, Nishino S, Maeda H, Morita K, Ifuku S, Morimoto M, Saimoto H, Kadokawa J.
PMID: 24507355
Carbohydr Polym. 2014 Feb 15;102:846-51. doi: 10.1016/j.carbpol.2013.10.080. Epub 2013 Nov 05.

We previously reported a xanthan gum (Xan) hydrogel showing excellent mechanical properties. Mineralization of hydroxyapatite (Hap) upon the Xan hydrogel would provide a unique biomaterial applicable for bone tissue engineering. Here, we show the mineralization of Hap upon the...

Relationship between Apparent Viscosity and Line-Spread Test Measurement of Thickened Fruit Juices Prepared with a Xanthan Gum-based Thickener.

Preventive nutrition and food science

Kim SG, Yoo W, Yoo B.
PMID: 25320723
Prev Nutr Food Sci. 2014 Sep;19(3):242-5. doi: 10.3746/pnf.2014.19.3.242.

The flow behaviors of three thickened fruit juices (orange, apple, and grape juice) prepared with a commercial instant xanthan gum (XG)-based thickener that is marketed in Korea were investigated at different thickener concentrations (1.0%, 1.5%, 2.0%, 2.5%, 3.0%, and...

The Physical and Linear Viscoelastic Properties of Fresh Wet Foams Based on Egg White Proteins and Selected Hydrocolloids.

Food biophysics

Ptaszek P, Zmudziński D, Kruk J, Kaczmarczyk K, Rożnowski W, Berski W.
PMID: 24611034
Food Biophys. 2014;9(1):76-87. doi: 10.1007/s11483-013-9320-5. Epub 2013 Oct 10.

The aim of this work was to evaluate the physicochemical properties of fresh foams based on egg white proteins, xanthan gum and gum Arabic. The distributions of the size of gas bubbles suspended in liquid were determined, as well...

A new eye gel containing sodium hyaluronate and xanthan gum for the management of post-traumatic corneal abrasions.

Clinical ophthalmology (Auckland, N.Z.)

Faraldi F, Papa V, Santoro D, Rasà D, Mazza AL, Rabbione MM, Russo S.
PMID: 22654499
Clin Ophthalmol. 2012;6:727-31. doi: 10.2147/OPTH.S31776. Epub 2012 May 09.

PURPOSE: The aim of this study was to investigate the effects of an ophthalmic gel containing sodium hyaluronate and xanthan gum in addition to the antibiotic netilmicin in the management of traumatic corneal abrasions.PATIENTS AND METHODS: PATIENTS WITH TRAUMATIC...

Showing 13 to 24 of 467 entries