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11 Result(s)
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P. Carmona
Life Sciences
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Article
Isolation of mutants of Penicillium purpurogenum with enhanced xylanase and β-xylosidase production
Penicillium purpurogenum was mutated with u.v. light to increase xylanase production. The best mutant, UV-64, was treated with N-methyl-N'-nitro-N-nitrosoguanidine and a second generation of mutants was obtain...
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Book
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Chapter
Study of Cholesteryl Oleate-Dimyristoyl Phosphatidyl Choline Interactions by Vibrational Spectroscopy
The knowledge of the spatial distribution of the different lipoprotein components allows the determination of lipoprotein structure. These lipoproteins are important from the point of view of cholesterol trans...
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Chapter
Vibrational Spectroscopic Study of Human Lipoproteins
The interest in the spectroscopic study of low density lipoproteins (LDL) rests on the role of these proteins regarding the cholesterol transport in blood. In this work we undertake the infrared study of the c...
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Chapter
Interaction Between Myelin Basic Protein and Cholesterol as Revealed by FTIR Spectroscopy
Myelin basic protein (MBP) is one of the major proteins in myelin membrane and is believed to play a significant role in the organization of the myelin sheath. Additional interest in the study of this protein ...
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Chapter
Infrared Spectroscopic Study of 18O(6)-Guanosbve
Infrared spectroscopy has proved to be a valuable tool in the structural investigation of nucleosides and nucleotides. One of the most important characteristics of vibrational spectra is the localization of so...
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Chapter
Hydrogen Bonding Between Guanine and CG Base Pair as Revealed by Vibrational Spectroscopy
The interaction between nucleotide bases is an important element in the structure of nucleic acids since much of biological specificity is derived from hydrogen bonding. Selective hydrogen bonds between nucleo...
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Chapter
Applications of SERS to the study of polypeptide/polynucleotide interactions
SER spectra of polynucleotides on metal colloids are difficult to obtain due to the stabilization effect caused by polymer molecules in general, when they are added to colloidal systems. In the case of polynuc...
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Chapter
Vibrational Spectroscopic Study of the Hydrogen Bonding of Cytidine with Guanosine
Selected model systems have been examined through a variety of physicochemical methods, including vibrational spectroscopy, to study protein-nucleic acid interactions. One of these models consists of hydrogen-...
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Article
Conformation of brain proteolipid apoprotein
The conformation of brain proteolipid apoprotein (PLA) has been investigated using infrared spectroscopy and freeze-fracture electron microscopy. For this purpose, spectroscopic samples consisting of a mixture...
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Article
Vibrational spectra and structure of myelin membranes
Raman and infrared spectroscopy have been simultaneously applied, for the first time, to the study of myelin membranes and their proteolipid protein (PLP) so as to obtain information on the secondary structure...
