A study of chemical structure of soft and hardwood and wood polymers by FTIR spectroscopy
β Scribed by K. K. Pandey
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 187 KB
- Volume
- 71
- Category
- Article
- ISSN
- 0021-8995
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β¦ Synopsis
Hard and softwood and wood constituent polymers (cellulose and lignin) were studied using Fourier transform infrared (FTIR) spectroscopy. The hollocelluloseto-lignin ratio was estimated for some of the timber species. The structural difference between Klason lignin isolated from softwood (Pinus roxberghii and cupressus lusitanica) and hard wood (Acacia auriculaeformis and Eucalyptus tereticornis) species was studied.
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The Raman and ir spectra of a murine IgG2a monoclonal antibody molecule are reported. In accordance with previous studies on immunoglobulins, the secondary structure is predominantly of the β€-sheet type. The low frequency region of the Raman spectrum was also analyzed in detail. A structured band wi