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The chemical synthesis and single‐crystal X‐ray diffraction analysis of a model peptide, Boc–Thr–Thr–NH2 (1) comprised of proteinogenic residues bearing an amphiphilic Cβ‐stereogenic center, has been described. Interestingly, the analysis of its molecular structure revealed the...
NIR–FT–Raman spectroscopy was applied for a nondestructive analysis of single seeds (fruit mericarps) of 36 accessions belonging to various species of the Apiaceae family. Main seed components such as fatty acids, polysaccharides, proteins, and lignin were identified based on the obtained...
The active site of the mammalian cAMP‐dependent protein kinase catalytic subunit (C‐subunit) has a cluster of nonconserved acidic residues—Glu127, Glu170, Glu203, Glu230, and Asp241—that are crucial for substrate recognition and binding. Studies have shown that the Glu230 to Gln mutant...
The Escherichia coli RecA protein is the prototype of a class of proteins playing a central role in genomic repair and recombination in all organisms. The unresolved mechanistic strategy by which RecA aligns a single strand of DNA with a duplex DNA and mediates a DNA strand switch is central to...
The aim of this study was to describe a competition between cytarabine (araC) and aspirin (ASA) in binding with bovine serum albumin (BSA). High‐affinity binding sites for both drugs were determined using a spectrofluorimetric method. Cytarabine as well as aspirin binds in the IIA hydrophobic...
To investigate the influence of bleaching treatments on keratin fibers, the structure of cross‐sections at various depths of bleached human hair (black and white human hair) was directly analyzed without isolating the cuticle and cortex, using Raman spectroscopy. The S–S band intensity...
We have developed a novel biodegradable, polymeric fiber construct that is coextruded using a wet‐spinning process into a core‐sheath format with a polysaccharide pre‐hydrogel solution as the core fluid and poly(L‐lactic acid) (PLLA) as the sheath. The biodegradable, biocompatible fibers...
The nature of the internal dynamics of double‐stranded DNA in aqueous environment remains to be established. We consider the motions to stem from thermal fluctuations/dissipations of the harmonic modes of beads (bases and sugars) in a cylindrical geometry that are tracked through the stochastic...
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