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Items for "UV spectroscopy"

Pressure- and temperature-induced unfolding studies: thermodynamics of core hydrophobicity and packing of ribonuclease A

In this work we demonstrate that heat and pressure induce only slightly different energetic changes in the unfolded state of RNase A...

Keywords: Hydrophobic Interactions, packing interactions, pressure denaturation, ribonuclease A, temperature denaturation, UV spectroscopy

03/2006 | Biological Chemistry, Walter de Gruyter
Studies on the dehydrogenative polymerization of monolignol ?-glycosides: Part 5. UV spectroscopic monitoring of horseradish peroxidase-catalyzed polymerization of monolignol glycosides

Horseradish peroxidase (HRP)-initiated dehydrogenative polymerizations of guaiacyl (G) and syringyl (S)-type monolignol ?-O-glucosides, isoconiferin (iso-G) and isosyringin (iso-S), which contain a hydrophilic glucosyl unit on ?-position of coniferyl alcohol (G-alc) and sinapyl alcohol (S-alc), respectively, were monitored by UV spectroscopy to study the formation of dehydrogenation polymer (DHP, lignin polymer model) in a homogeneous aqueous phase...

Keywords: copolymerization, dehydrogenation polymer (DHP), dehydrogenative polymerization, horseradish peroxidase (HRP), lignin, monolignol ?-d-glucoside, quinone methide, UV spectroscopy

09/2008 | Holzforschung, Walter de Gruyter
Direct method for the determination of phenolic hydroxyl groups in pulp

For evaluation of changes in phenolic lignin units during kraft pulping and bleaching, a direct method based on UV reflectance measurements of pulp handsheets was tested...

Keywords: bleaching, kraft pulping, lignin, Phenols, UV spectroscopy

11/2007 | Holzforschung, Walter de Gruyter