Watersoluble synthetic nucleic acid analogs--polyethyleneimine derivatives containing nucleic acid bases--conformation and interactionwith nucleic acids.
Copyright policy )Watersoluble synthetic nucleic acid analogs--polyethyleneimine derivatives containing nucleic acid bases--conformation and interactionwith nucleic acids.
Water soluble polyethyleneimine derivatives containing nucleic acid bases were found to interact with polynucleotides, DNA, RNA. The conformational change by formation of complex was observed by CD spectra and was discussed with the hypochromicity in UV spectra. The rates of interactions between nucleic acid bases in polymers were slow as shown by UV spectra, but the conformational changes of the polynucleotides were fast as shown by CD spectra. In the case of the uracil derivative (PEI-Hse-Ura), high value of CD spectra [theta] 2.80 = -8.0 x 10(-4) for the complex with DNA might be caused by psi type conformation of DNA.
- Osaka University Japan
Molecular Structure, Solubility, Circular Dichroism, Nucleic Acid Conformation, Polyethyleneimine, Water, Spectrophotometry, Ultraviolet, DNA, Hydrogen-Ion Concentration
Molecular Structure, Solubility, Circular Dichroism, Nucleic Acid Conformation, Polyethyleneimine, Water, Spectrophotometry, Ultraviolet, DNA, Hydrogen-Ion Concentration
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