## Abstract Using terahertz timeβdomain spectroscopy (THzβTDS), we have investigated the THz spectra of astaxanthin and riboflavin and the spectra of two kinds of cell, haenatcoccus plusivalis and bacillus subtilis, which could produce astaxanthin and riboflavin, respectively, during their metaboli
Terahertz time-domain spectroscopy of poly-L-lysine
β Scribed by Ohki Kambara; Atsuo Tamura; Takashi Uchino; Kohji Yamamoto; Keisuke Tominaga
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 2010
- Tongue
- English
- Weight
- 852 KB
- Volume
- 93
- Category
- Article
- ISSN
- 0006-3525
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## Abstract The natural abundance ^15^Nβnmr spectroscopy has been used to characterize the isomeric polymers (LβLys)~n~ and iso (LβLys)~__n__~ in aqueous solution. Although the peptide nitrogens of the two polymers have nearly equivalent shifts at pH < 10, the amino nitrogens differ by 5β6 ppm at p
## Bell Telephone Laboratories, Incorporated, Murray Hill, New Jersey 0'79'74 ## Synopsis Crystals of poly-L-lysine have been grown from aqueous solution in the presence of divalent anions. The most stable of these incorporate the HPO; ion and are precipitated by the addition of sodium monohydr