Kiyohiko Kawai

Summary

Affiliation: Osaka University
Country: Japan

Publications

  1. ncbi request reprint Effects of base pairing on the one-electron reduction rate of cytosine
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Ibaraki, Osaka 567 0047, Japan
    Chem Commun (Camb) . 2003
  2. ncbi request reprint Effects of reaction rate of radical anion of a photosensitizer with molecular oxygen on the photosensitized DNA damage
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    Chem Commun (Camb) . 2006
  3. ncbi request reprint Selective guanine oxidation by UVB-irradiation in telomeric DNA
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Address Mihogaoka 8 1, Ibaraki, Osaka, 567 0047, Japan
    Chem Commun (Camb) . 2005
  4. doi request reprint DNA Microenvironment Monitored by Controlling Redox Blinking
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka, 567 0047, Japan
    Chemphyschem 16:3590-4. 2015
  5. doi request reprint Triple helix conformation-specific blinking of Cy3 in DNA
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 5670047, Japan
    Chem Commun (Camb) 51:4861-4. 2015
  6. doi request reprint Photoinduced charge-separation in DNA
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka, 567 0047, Japan
    Top Curr Chem 356:165-82. 2015
  7. doi request reprint Blinking triggered by the change in the solvent accessibility of a fluorescent molecule
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    Chem Commun (Camb) 50:10478-81. 2014
  8. doi request reprint Detection of single-nucleotide variations by monitoring the blinking of fluorescence induced by charge transfer in DNA
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research, Osaka University, Mihogaoka 8 1, Ibaraki, Japan
    Chembiochem 14:1430-3. 2013
  9. doi request reprint Hole transfer in LNA and 5-Me-2'-deoxyzebularine-modified DNA
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research, Osaka University, Ibaraki, Japan
    J Am Chem Soc 134:9406-9. 2012
  10. ncbi request reprint Hole transfer rates in A-form DNA/2'-OMeRNA hybrid
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    Chemistry 13:2386-91. 2007

Collaborators

Detail Information

Publications49

  1. ncbi request reprint Effects of base pairing on the one-electron reduction rate of cytosine
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Ibaraki, Osaka 567 0047, Japan
    Chem Commun (Camb) . 2003
    ..Using nucleoside derivatives, which are soluble in dichloromethane, we have experimentally demonstrated that the reduction potential of cytosine is lowered by base pairing with guanine...
  2. ncbi request reprint Effects of reaction rate of radical anion of a photosensitizer with molecular oxygen on the photosensitized DNA damage
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    Chem Commun (Camb) . 2006
    ....
  3. ncbi request reprint Selective guanine oxidation by UVB-irradiation in telomeric DNA
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Address Mihogaoka 8 1, Ibaraki, Osaka, 567 0047, Japan
    Chem Commun (Camb) . 2005
    ..The combination of the transient absorption measurement and DNA damage quantification by HPLC clearly demonstrated the preferential excitation of guanine and its decomposition in quadruplex DNA by UVB-irradiation...
  4. doi request reprint DNA Microenvironment Monitored by Controlling Redox Blinking
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka, 567 0047, Japan
    Chemphyschem 16:3590-4. 2015
    ..This allowed us to monitor subtle DNA conformational changes caused by a single different nucleotide. ..
  5. doi request reprint Triple helix conformation-specific blinking of Cy3 in DNA
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 5670047, Japan
    Chem Commun (Camb) 51:4861-4. 2015
    ..Blinking patterns were affected by the stabilization of the Hoogsteen base-pair, suggesting that not only the presence but also the fluctuating behaviour of the triple helix can be monitored by the changes in the Cy3 blinking patterns. ..
  6. doi request reprint Photoinduced charge-separation in DNA
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka, 567 0047, Japan
    Top Curr Chem 356:165-82. 2015
    ..These results suggested that the charge-separation in DNA is a general phenonmenon for fluorescent dyes which fluorescence is quenched only by G-C...
  7. doi request reprint Blinking triggered by the change in the solvent accessibility of a fluorescent molecule
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    Chem Commun (Camb) 50:10478-81. 2014
    ..The changes in the solvent accessibility of a fluorescent molecule were probed by measuring the duration of the off time during the blinking of the fluorescence, which enabled analysis of the function of a molecular beacon-type probe. ..
  8. doi request reprint Detection of single-nucleotide variations by monitoring the blinking of fluorescence induced by charge transfer in DNA
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research, Osaka University, Mihogaoka 8 1, Ibaraki, Japan
    Chembiochem 14:1430-3. 2013
    ..Single nucleotide variations, mismatch and one base deletion, were differentiated based on the length of the off-time of the blinking, which corresponds to the lifetime of the charge-separated state. ..
  9. doi request reprint Hole transfer in LNA and 5-Me-2'-deoxyzebularine-modified DNA
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research, Osaka University, Ibaraki, Japan
    J Am Chem Soc 134:9406-9. 2012
    ..The present results clearly showed that hole-transfer efficiency in DNA can be increased by increasing DNA flexibility...
  10. ncbi request reprint Hole transfer rates in A-form DNA/2'-OMeRNA hybrid
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    Chemistry 13:2386-91. 2007
    ..The hole transfer rates in the A-form duplexes were slower and more strongly dependent on the temperature compared to those in the B-form duplexes, suggesting that the A-form is more rigid than the B-form duplex in this time scale...
  11. ncbi request reprint Hole transfer in DNA and photosensitized DNA damage: importance of adenine oxidation
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    J Phys Chem B 111:2322-6. 2007
    ..These results clearly demonstrate the importance of A-oxidation, especially in consecutive A sequences, which triggers the rapid hole transfer between A's...
  12. ncbi request reprint Regulation of one-electron oxidation rate of guanine by base pairing with cytosine derivatives
    Kiyohiko Kawai
    Contribution from The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    J Am Chem Soc 124:3586-90. 2002
    ..The results demonstrate that the one-electron oxidation rate of guanine in DNA can be regulated by introducing a substituent on base pairing cytosine...
  13. doi request reprint Charge separation in acridine- and phenothiazine-modified DNA
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    J Phys Chem B 112:2144-9. 2008
    ....
  14. doi request reprint Mechanism of charge separation in DNA by hole transfer through consecutive adenines
    Kiyohiko Kawai
    Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    Chemistry 14:3721-6. 2008
    ..This suggests that the charge-separation process can be refined to maximize the Phi by putting a redox-inactive spacer base pair between a photosensitizer and an A-T stretch...
  15. doi request reprint Long-range charge transfer through DNA by replacing adenine with diaminopurine
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    J Am Chem Soc 132:627-30. 2010
    ..Chem. 2009, 1, 156). In the present study, we have expanded this approach to show that the CT efficiency can also be increased by replacing A bases with diaminopurine (D)...
  16. doi request reprint 8-Oxo-7,8-dihydro-2'-deoxyguanosine produces a long-lived charge-separated state during the photosensitized one-electron oxidation of DNA resulting in efficient and exclusive degradation
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    Chem Commun (Camb) 46:3277-9. 2010
    ..The presence of 8-oxodGuo was shown to increase the lifetime of the charge-separated state in DNA by serving as a "hole sink" resulting in efficient and exclusive degradation...
  17. doi request reprint Charge separation and photosensitized damage in DNA mediated by naphthalimide, naphthaldiimide, and anthraquinone
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    J Phys Chem B 114:10195-9. 2010
    ..The AQ-modified DNA resulted in the highest charge separation and subsequent DNA damage yield, which would be partly explained by the formation of the spin-forbidden triplet radical ion pairs during charge separation...
  18. doi request reprint Photocatalytic formation of I-I bonds using DNA which enables detection of single nucleotide polymorphisms
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    J Am Chem Soc 132:14216-20. 2010
    ....
  19. doi request reprint G-C content independent long-range charge transfer through DNA
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Ibaraki, Osaka, 567 0047, Japan
    Top Curr Chem 298:129-42. 2011
    ....
  20. doi request reprint Sequence-independent and rapid long-range charge transfer through DNA
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    Nat Chem 1:156-9. 2009
    ..This is achieved by substituting the N7 nitrogen atom of adenine with a C-H group to give 7-deazaadenine, which does not disturb the complementary base pairing observed in DNA...
  21. doi request reprint Probing the charge-transfer dynamics in DNA at the single-molecule level
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    J Am Chem Soc 133:15568-77. 2011
    ..Utilizing the injected charge just like a pulse of sound, such as a "ping" in active sonar systems, information about the DNA sequence surrounding the fluorescent dye was read out by measuring the time it takes for the charge to return...
  22. ncbi request reprint Two-color two-laser DNA damaging
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    Angew Chem Int Ed Engl 43:2406-9. 2004
  23. ncbi request reprint Synthesis of ODNs containing 4-methylamino-1,8-naphthalimide as a fluorescence probe in DNA
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka, Japan
    Bioorg Med Chem Lett 12:2363-6. 2002
    ..The attachment site of the NI greatly affected its property as an energy acceptor in FRET analysis...
  24. ncbi request reprint Formation of pyrene dimer radical cation in DNA reflecting DNA dynamics in the time range of 1 micros to 1 ms
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    J Am Chem Soc 125:912-5. 2003
    ..with a characteristic CR absorption band in the near-infrared (near-IR) region was demonstrated to be useful to obtain the structural and dynamical information of transiently formed DNA in the time range of 1 micros to 1 ms...
  25. ncbi request reprint Kinetics of weak distance-dependent hole transfer in DNA by adenine-hopping mechanism
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    J Am Chem Soc 125:6842-3. 2003
    ..The results clearly show that the mechanism of hole transfer in DNA strongly depends on the redox nature of the oxidant, whether it produces only G*+ or both A*+ and G*+...
  26. ncbi request reprint Long-lived charge-separated state leading to DNA damage through hole transfer
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    J Am Chem Soc 125:16198-9. 2003
    ..The combination of the transient absorption measurement and DNA damage quantification by HPLC clearly demonstrated that the yield of the DNA damage correlates well with the lifetime of the charge-separated state...
  27. ncbi request reprint Lifetime regulation of the charge-separated state in DNA by modulating the oxidation potential of guanine in DNA through hydrogen bonding
    Kiyohiko Kawai
    Contribution from The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    J Am Chem Soc 126:12843-6. 2004
    ..These results clearly demonstrate that hole transfer in DNA can be controlled through hydrogen bonding by introducing a substituent on the cytosine...
  28. ncbi request reprint Synthesis and properties of terthiophene-modified oligodeoxynucleotides
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    Bioorg Med Chem Lett 15:4547-9. 2005
    ..One-electron oxidation of Thp-modified ODN resulted in the formation of Thp radical cation (Thp(.+)), which remained stable in the experimental time window up to 200mus, showing that charge may be carried along DNA by Thp as Thp(.+)...
  29. ncbi request reprint Consecutive adenine sequences are potential targets in photosensitized DNA damage
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Ibaraki, Japan
    Chem Biol 12:1049-54. 2005
    ..These results will greatly help us to classify photosensitizers harmful to human health, and to design an improved photosensitizer for biochemical applications...
  30. ncbi request reprint Photocatalytic cleavage of single TiO2/DNA nanoconjugates
    Takashi Tachikawa
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka, Japan
    Chemistry 14:1492-8. 2008
    ..According to the experimental results, it was concluded that oxidation of the catechol moiety and/or the DNA damage are key reactions in this process...
  31. doi request reprint Excess-electron injection and transfer in terthiophene-modified DNA: terthiophene as a photosensitizing electron donor for thymine, cytosine, and adenine
    Man Jae Park
    The Institute of Scientific and Industrial, Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    Chemistry 18:2056-62. 2012
    ..From the charge-injection rate, the possibilities of smaller β value and/or charge delocalization were discussed. In addition, EET through consecutive cytosine nucleobases was suggested...
  32. ncbi request reprint Kinetics of transient end-to-end contact of single-stranded DNAs
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Ibaraki, Osaka 567 0047, Japan
    J Am Chem Soc 127:13232-7. 2005
    ..As for the T-rich ssDNAs, the formation of Py(2)(*+) attributed to the misfolded structures was also observed, which is consistent with the configurational diffusion model suggested by Ansari and co-workers...
  33. pmc Direct observation of hole transfer through double-helical DNA over 100 A
    Tadao Takada
    Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    Proc Natl Acad Sci U S A 101:14002-6. 2004
    ..By assuming an average distance of 3.4 A between base-pairs, total distance reaches 100 A for n = 12 sequences. Our results clearly show the direct observation of the long-distance hole transfer over 100 A...
  34. ncbi request reprint Contributions of the distance-dependent reorganization energy and proton-transfer to the hole-transfer process in DNA
    Tadao Takada
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    Chemistry 11:3835-42. 2005
    ..This is because of the distance-dependent reorganization energy and contribution of the proton-transfer process to the hole transfer in DNA...
  35. doi request reprint Sequence dependence of excess electron transfer in DNA
    Kazuki Tainaka
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    J Phys Chem B 114:14657-63. 2010
    ..The various factors such as mismatch sequence and DNA length on the yield of electron arrival to DPA were examined...
  36. ncbi request reprint Generation of singlet oxygen during photosensitized one-electron oxidation of DNA
    Yasuko Osakada
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    Chemistry 18:1060-3. 2012
  37. ncbi request reprint Charge separation in DNA via consecutive adenine hopping
    Tadao Takada
    Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    J Am Chem Soc 126:1125-9. 2004
    ..Furthermore, the rate constant of the A-hopping process was determined to be 2 x 10(10) s(-1) from an analysis of the yield of the charge separation depending on the number of A-hopping steps...
  38. pmc Kinetics of charge transfer in DNA containing a mismatch
    Yasuko Osakada
    The Institute of Scientific and Industrial Research, Osaka University, Mihogaoka 8 1, Ibaraki Osaka 567 0047, Japan
    Nucleic Acids Res 36:5562-70. 2008
    ..In this study, we investigated the detailed kinetics of the CT through DNA containing mismatches and tried to discriminate a mismatch sequence based on the kinetics of the CT in DNA containing a mismatch...
  39. doi request reprint Excess electron transfer dynamics in DNA hairpins conjugated with N,N-dimethylaminopyrene as a photosensitizing electron donor
    Man Jae Park
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    Chem Commun (Camb) 48:11008-10. 2012
    ..It was revealed that the excess electron hopping rate between T's is faster than that of the hole...
  40. doi request reprint Direct measurement of the dynamics of excess electron transfer through consecutive thymine sequence in DNA
    Man Jae Park
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    J Am Chem Soc 133:15320-3. 2011
    ..D. during the laser flash photolysis. It should be emphasized that the EET rate constant for T-hopping is faster than the rate constants for oxidative hole transfers in DNA (10(4) to 10(10) s(-1) for A- and G-hopping)...
  41. ncbi request reprint Monitoring of microenvironmental changes in the major and minor grooves of DNA by dan-modified oligonucleotides
    Takumi Kimura
    The Institute of Scientific and Industrial Research, Osaka University, 8 1 Mihogaoka, Ibaraki, Osaka 567 0047, Japan
    Org Lett 7:5829-32. 2005
    ....
  42. ncbi request reprint High-yield generation of a long-lived charge-separated state in diphenylacetylene-modified DNA
    Tadao Takada
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    Angew Chem Int Ed Engl 45:120-2. 2005
  43. ncbi request reprint One-electron attachment reaction of B- and Z-DNA modified by 8-bromo-2'-deoxyguanosine
    Takumi Kimura
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    J Org Chem 69:1169-73. 2004
    ..Because the solvent-accessible surface of the purine base in Z-DNA is greater than that in B-DNA, it is demonstrated that the reactivity of purine base C8 is enhanced in Z-DNA compared to that in B-DNA...
  44. doi request reprint Hole transfer kinetics of DNA
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    Acc Chem Res 46:2616-25. 2013
    ..These new insights in hole transfer kinetics obtained from modified DNAs may aid in the design of new molecular-scale conducting materials. ..
  45. pmc Charge transfer through DNA nanoscaled assembly programmable with DNA building blocks
    Yasuko Osakada
    Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    Proc Natl Acad Sci U S A 103:18072-6. 2006
    ..We show that a CT through DNA nanoscale assembly is possible and programmable with the designed DNA sequence...
  46. ncbi request reprint Rapid long-distance hole transfer through consecutive adenine sequence
    Tadao Takada
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka, Japan
    J Am Chem Soc 128:11012-3. 2006
    ..These results clearly suggest that the hole transfer via A-hopping in DNA takes place efficiently and rapidly...
  47. doi request reprint HOMO energy gap dependence of hole-transfer kinetics in DNA
    Kiyohiko Kawai
    The Institute of Scientific and Industrial Research SANKEN, Osaka University, Mihogaoka 8 1, Ibaraki, Osaka 567 0047, Japan
    J Am Chem Soc 134:4806-11. 2012
    ..The results demonstrated that the hole transfer rate can be increased by decreasing the Δ(HOMO) and can be finely tuned over 3 orders of magnitude by varying the Δ(HOMO)...
  48. ncbi request reprint Efficient C2'alpha-hydroxylation of deoxyribose in protein-induced Z-form DNA
    Takanori Oyoshi
    Division of Biofunctional Molecules, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2 3 10 Surugadai, Kanda, Chiyoda, Tokyo 101 0062, Japan
    J Am Chem Soc 125:1526-31. 2003
    ..These results suggest that this photochemical and enzymatic procedure can be used as a specific probe for the existence of local Z-form structure in cellular DNA...
  49. ncbi request reprint Spin-correlated radical pairs in synthetic hairpin DNA
    Satoru Nakajima
    Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980 8577, Japan
    Chemphyschem 8:507-9. 2007