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
Water-soluble esters of biosynthetic poly(γ-glutamic acid)
✍ Scribed by Graciela Pérez–Camero; Blanca Vázquez; Sebastián Muñoz–Guerra
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- English
- Weight
- 209 KB
- Volume
- 82
- Category
- Article
- ISSN
- 0021-8995
- DOI
- 10.1002/app.2048
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## Abstract Measurement of the optical rotatory dispersion spectra of poly‐γ‐D‐glutamic acid (obtained from __Bacillus anthracis__) dawn to 200 nm wavelength reveal difference between the unionized and ionized froms. The profile of the unionized polyacid shows similarities to those obtained for α‐h