Search Results - "Khanduri, Deepti"

Direct Observation of the Hole Protonation State and Hole Localization Site in DNA-Oligomers by Adhikary, Amitava, Khanduri, Deepti, Sevilla, Michael D

“…In this work, it is shown that the incorporation of an 8-deuteroguanine (G*) moiety in DNA-oligomers allows for direct determination at 77 K of (i) the…”
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Effect of Base Stacking on the Acid−Base Properties of the Adenine Cation Radical [A•+] in Solution: ESR and DFT Studies by Adhikary, Amitava, Kumar, Anil, Khanduri, Deepti, Sevilla, Michael D

“…In this study, the acid–base properties of the adenine cation radical are investigated by means of experiment and theory. Adenine cation radical (A•+) is…”
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Photoexcitation of Adenine Cation Radical [A•+] in the near UV−vis Region Produces Sugar Radicals in Adenosine and in Its Nucleotides by Adhikary, Amitava, Khanduri, Deepti, Kumar, Anil, Sevilla, Michael D

“…In this study, we report the formation of ribose sugar radicals in high yields (85−100%) via photoexcitation of adenine cation radical (A•+) in Ado and its…”
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Sugar Radicals Formed by Photoexcitation of Guanine Cation Radical in Oligonucleotides by Adhikary, Amitava, Collins, Sean, Khanduri, Deepti, Sevilla, Michael D

“…This work presents evidence that photoexcitation of guanine cation radical (G+•) in dGpdG and DNA-oligonucleotides TGT, TGGT, TGGGT, TTGTT, TTGGTT, TTGGTTGGTT,…”
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Highly Oxidizing Excited States of One-Electron-Oxidized Guanine in DNA: Wavelength and pH Dependence by Khanduri, Deepti, Adhikary, Amitava, Sevilla, Michael D

“…Excited states of one-electron-oxidized guanine in DNA are known to induce hole transfer to the sugar moiety and on deprotonation result in neutral sugar…”
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Prototropic equilibria in DNA containing one-electron oxidized GC: intra-duplex vs. duplex to solvent deprotonation by Adhikary, Amitava, Kumar, Anil, Munafo, Shawn A, Khanduri, Deepti, Sevilla, Michael D

“…By use of ESR and UV-vis spectral studies, this work identifies the protonation states of one-electron oxidized G:C (viz. G˙+:C, G(N1–H)˙:C(+H+), G(N1–H)˙:C,…”
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Formation of Sugar Radicals in RNA Model Systems and Oligomers via Excitation of Guanine Cation Radical by Khanduri, Deepti, Collins, Sean, Kumar, Anil, Adhikary, Amitava, Sevilla, Michael D.

“…In previous work, we have shown that photoexcitation of guanine cation radical (G•+) in frozen aqueous solutions of DNA and its model compounds at 143 K…”
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Formation of Aminyl Radicals on Electron Attachment to AZT: Abstraction from the Sugar Phosphate Backbone versus One-Electron Oxidation of Guanine by Adhikary, Amitava, Khanduri, Deepti, Pottiboyina, Venkata, Rice, Cory T, Sevilla, Michael D

“…Employing electron spin resonance (ESR) spectroscopy, we have characterized the radicals formed in 3′-azido-3′-deoxythymidine (3′-AZT) and in its 5′-analog…”
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Photo-excitation of adenine cation radical [A•+] in the near UV-vis region produces sugar radicals in Adenosine and in its nucleotides by Adhikary, Amitava, Khanduri, Deepti, Kumar, Anil, Sevilla, Michael D.

“…In this study, we report the formation of ribose sugar radicals in high yields (85 – 100%) via photo-excitation of adenine cation radical (A• + ) in Ado and…”
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Formation of aminyl radicals on electron attachment to AZT: Abstraction from the sugar phosphate backbone vs. one-electron oxidation of Guanine by Adhikary, Amitava, Khanduri, Deepti, Pottiboyina, Venkata, Rice, Cory T., Sevilla, Michael D.

“…Employing electron spin resonance (ESR) spectroscopy, we have characterized the radicals formed in 3′-Azido-3′-deoxythymidine (3′-AZT) and in its 5′-analog…”
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Sugar radicals formed by photo-excitation of guanine cation radical in oligonucleotides by Adhikary, Amitava, Collins, Sean, Khanduri, Deepti, Sevilla, Michael D.

“…This work presents evidence that photo-excitation of guanine cation radical (G• + ) in dGpdG and DNA-oligonucleotides: TGT, TGGT, TGGGT, TTGTT, TTGGTT,…”
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Sugar Radicals Formed by Photoexcitation of Guanine Cation Radical in Oligonucleotides by Adhikary, Amitava, Collins, Sean, Khanduri, Deepti, Sevilla, Michael D

“…This work presents evidence that photoexcitation of guanine cation radical (G super(+bull)) in dGpdG and DNA-oligonucleotides TGT, TGGT, TGGGT, TTGTT, TTGGTT,…”
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Photo-induced hole transfer in DNA: Formation of DNA radicals by Khanduri, Deepti

“…The purpose of this work is to identify the various state of purine cation radicals involved in the prototropic equilibria of G ·+ and A·+ and to investigate…”
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Formation of Sugar Radicals in RNA Model Systems and Oligomers via Excitation of Guanine Cation Radical by Khanduri, Deepti, Collins, Sean, Kumar, Anil, Adhikary, Amitava, Sevilla, Michael D

“…In previous work, we have shown that photoexcitation of guanine cation radical (G super(bull+)) in frozen aqueous solutions of DNA and its model compounds at…”
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