Biosynthesis and chemical modification of poly(γ-glutamic acid)
✍ Scribed by Mária Borbély; Yukio Nagasaki; János Borbély; Kesuo Fan; Amrut Bhogle; Martin Sevoian
- Publisher
- Springer
- Year
- 1994
- Tongue
- English
- Weight
- 206 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0170-0839
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A study of the production of poly(␥-glutamic acid) (PGGA) by Bacillus licheniformis NCIMB 11709 grown on medium E in shake flasks at 30°C is reported. The enantiomeric composition of PGGA was found to be highly sensitive to the concentration of Mn ++ , especially when the ion is present in small amo
Poly( g-glutamic acid) (PGA) hydrogels have been prepared from microbial PGA produced by Bacillus subtilis F-02-1, water-soluble carbodiimide (WSC), and alkanediamines such as 1,3-propanediamine (1,3-PD), 1,4-butanediamine (1,4-BD), and 1,6-hexanediamine (1,6-HD) in aqueous medium. The carboxyl grou