## Abstract Two electrophoretic components have been detected on the ascending boundary in unbuffered solutions of polyglutamic acid and polylysine under certain experimental conditions. If the conditions are favorable to aggregation, another maximum, the third in order, is formed on this boundary.
Cellulase immobilized on poly-L-glutamic acid
β Scribed by Tamio Takeuchi; Keisuke Makino
- Publisher
- John Wiley and Sons
- Year
- 1987
- Tongue
- English
- Weight
- 350 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0006-3592
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The optical rotatory dispersion in the range 630-340 mp has been measured for aqueous solutions of the tetramethylammonium salt of a-poly-L-glutamic acid to compare the effects produced by added tetramethylammonium chloride and magnesium chloride at equivalent ionic strengths. The addition of magnes
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COMMUNICATION TO THE EDITORS ## O n the Magnitude of the Cotton Eflects of Poly-L-glutarnic Acid The recent improvement in spectropolarimeters makes it possible to measure the Cotton effects of polypeptides and proteins between 185 and 240 rnp.Ir2 The helical conformation, quite unlike the coiled
## Abstract Interaction of polyβΞ±,Lβglutamic acid (PGLA) with acridine orange (AO) was studied with circular dichroism and absorption spectra measurements. The following results were observed: (1) the addition of a comparable amount of AO with the glutamyl residue to the PLGA solution at pH of 4.5
It is well known that poly(a-cglutamic acid) (PLGA) undergoes a helix to randomcoil transition in aqueous media when the macromolecule is charged by titration with base. This behavior is clearly revealed by studies of optical properties [i.e., ultraviolet absorption and optical rotatory dispersion (