Journal ArticleDOI
Poly (glutamic acid)--an emerging biopolymer of commercial interest.
Ishwar B. Bajaj,Rekha S. Singhal +1 more
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In this paper, the authors provide updated information on fermentative production of poly (γ-glutamic acid) by various bacterial strains and effect of fermentation conditions and media component on production of PGA in submerged as well as solid state fermentation.About:
This article is published in Bioresource Technology.The article was published on 2011-05-01. It has received 308 citations till now.read more
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Physico-chemical and rheological characterization of poly-gamma-glutamic acid produced by a new strain of Bacillus subtilis
Alessandra de Cesaro,Suse Botelho da Silva,Vanessa Zimmer da Silva,Marco Antônio Záchia Ayub +3 more
TL;DR: In this paper, the authors compared the influence of cultivation time on the rheological and thermal biopolymer characteristics of Bacillus subtilis BL53 in order to identify its potential applications.
Journal ArticleDOI
The influence of process parameters in production of lipopeptide iturin A using aerated packed bed bioreactors in solid-state fermentation.
TL;DR: The results show that the strain Bacillus iso 1 must control the pressure gradients to scale-up the process of iturin A production, and can be useful to design strategies to scale up process ofiturin B in aerated packed bed bioreactors.
Journal ArticleDOI
Composition and characterization of in situ usable light cured dental drug delivery hydrogel system
József Bakó,Miklós Vecsernyés,Zoltán Ujhelyi,Ildikó Bácskay Kovácsné,Istvan Borbiro,Tamás Bíró,János Borbély,Csaba Hegedűs +7 more
TL;DR: The new photoactive system can be utilized in the treatment of periodontal diseases or raising the effectiveness of drugs used only in the minimal effective dose.
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Synthesis, characterization, and utilization of poly-amino acid-functionalized lignin for efficient and selective removal of lead ion from aqueous solution
Xiangkun Lin,Tao Shen,Minghui Li,Jingwen Shaoyu,Wei Zhang,Ming Li,Hong Xu,Chenjie Zhu,Hanjie Ying,Pingkai Ouyang +9 more
TL;DR: In this paper , natural γ-polyglutamic acid (γ-PGA) and ε-poly-L-lysine (ε-PL) functionalized lignin (DLGS and DLLS) were synthesized through demethylation/phenolation and amination to increase its intrinsic reactivity and adsorption sites, which were used to remove heavy metals from aqueous solutions.
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Stabilization of soybean oil-in-water emulsions using polypeptide multilayers: Cationic polylysine and anionic polyglutamic acid.
TL;DR: Interestingly, PLL detached from the surfaces of the secondary emulsions at high salt concentrations due to electrostatic screening, which improved their salt stability, suggesting electrostatic deposition should only be used to obtain specific functionalities.
References
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Journal ArticleDOI
The production of poly-(γ-glutamic acid) from microorganisms and its various applications
Ing-Lung Shih,Yi-Tsong Van +1 more
TL;DR: In this article, the chemistry and biosynthesis of poly-(gamma-glutamic acid) (Gamma-PGA) produced by various strains of Bacillus are discussed.
Journal Article
Complete Regression of Well-established Tumors Using a Novel Water-soluble Poly(l-Glutamic Acid)-Paclitaxel Conjugate
Chun Li,Dong Fang Yu,Robert A. Newman,Fernando Cabral,L. Clifton Stephens,Nancy Hunter,Luka Milas,Sidney Wallace +7 more
TL;DR: Data suggest that in addition to its role as a carrier for selective delivery of paclitaxel to the tumor, PG-TXL exerts distinct pharmacological actions of its own that may contribute to its remarkable antitumor efficacy.
Journal ArticleDOI
Poly-gamma-glutamate in bacteria
Thomas Candela,Agnès Fouet +1 more
TL;DR: The anchoring of PGA to the bacterial surface is important for virulence and all cap genes are therefore potential targets for inhibitors specifically blocking PGA synthesis or anchorage.
Journal ArticleDOI
Production of a biopolymer flocculant from Bacillus licheniformis and its flocculation properties.
TL;DR: The comparison of the flocculating activity between the present biopolymers and a commercial lower molecular weight product showed that the biopolymer of the present study had much higher activity.
Journal ArticleDOI
Preparation of γ-PGA/chitosan composite tissue engineering matrices
TL;DR: In this article, gamma-poly(glutamic acid) (gamma-PGA), a hydrophilic and biodegradable polymer, was chosen to modify chitosan matrices to produce a gamma-PGAs/chitosans composite biomaterial.
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The production of poly-(γ-glutamic acid) from microorganisms and its various applications
Ing-Lung Shih,Yi-Tsong Van +1 more