All Stories

  1. Photoprotective Function of Meso-Substituted Manganese(III) Porphyrin Complexes via Reactive Oxygen Species Scavenging

    Article • Photochem, August 2026, MDPI AG

    Atsuya Momotake

  2. Nature of a H2O Molecule Confined in the Hydrophobic Interface between the Heme and G-Quartet Planes in a Heme–DNA Complex

    Article • Biochemistry, March 2022, American Chemical Society (ACS)

    Atsuya Momotake

  3. Structures and Catalytic Activities of Complexes Between Heme and DNA

    Article • January 2022, Springer Science + Business Media

    Atsuya Momotake

  4. Effects of Heme Electronic Structure and Local Heme Environment on Catalytic Activity of a Peroxidase-Mimicking Heme–DNAzyme

    Article • Inorganic Chemistry, July 2021, American Chemical Society (ACS)

    Atsuya Momotake

  5. Molecular Recognition of G-quadruplex DNA by Pheophorbide a

    Article • Chemistry Letters, June 2021, Oxford University Press (OUP)

    Atsuya Momotake

  6. Structural and functional characterization of complexes between heme and dimeric parallel G-quadruplex DNAs

    Article • Journal of Inorganic Biochemistry, March 2021, Elsevier

    Atsuya Momotake

  7. A cationic copolymer as a cocatalyst for a peroxidase-mimicking heme-DNAzyme

    Article • Biomaterials Science, January 2021, Royal Society of Chemistry

    Atsuya Momotake

  8. Effect of the Electron Density of the Heme Fe Atom on the Nature of Fe–O2 Bonding in Oxy Myoglobin

    Article • Inorganic Chemistry, December 2020, American Chemical Society (ACS)

    Atsuya Momotake

  9. Specific Binding of an Anionic Phthalocyanine Derivative to G-Quadruplex DNAs

    Article • Chemistry Letters, May 2020, The Chemical Society of Japan

    Atsuya Momotake

  10. Multimodal Multiphoton Imaging of the Lipid Bilayer by Dye-Based Sum-Frequency Generation and Coherent Anti-Stokes Raman Scattering

    Article • Analytical Chemistry, March 2020, American Chemical Society (ACS)

    Atsuya Momotake

  11. Characterization of Structure and Catalytic Activity of a Complex between Heme and an All Parallel-stranded Tetrameric G-quadruplex Formed from DNA/RNA Chimera Sequence d(TTA)r(GGG)dT

    Article • Bulletin of the Chemical Society of Japan, February 2020, The Chemical Society of Japan

    Atsuya Momotake

  12. Monitoring the morphological evolution of giant vesicles by azo dye-based sum-frequency generation (SFG) microscopy

    Article • Colloids and Surfaces B Biointerfaces, February 2020, Elsevier

    Atsuya Momotake

  13. Identification of Intermediates in Peroxidase Catalytic Cycle of a DNAzyme Possessing Heme

    Article • Bulletin of the Chemical Society of Japan, October 2019, The Chemical Society of Japan

    Atsuya Momotake

  14. Photochemical properties of enediyne-cored dendrimers bearing naphthalenes at the periphery

    Article • Canadian Journal of Chemistry, February 2019, Canadian Science Publishing

    Atsuya Momotake

  15. Synergistic Effect of Distal Polar Interactions in Myoglobin and Their Structural Consequences

    Article • Inorganic Chemistry, November 2018, American Chemical Society (ACS)

    Atsuya Momotake

  16. Structures and Catalytic Activities of Complexes between Heme and All Parallel-Stranded Monomeric G-Quadruplex DNAs

    Article • Biochemistry, September 2018, American Chemical Society (ACS)

    Atsuya Momotake

  17. Characterization of Catalytic Activities and Heme Coordination Structures of Heme–DNA Complexes Composed of Some Chemically Modified Hemes and an All Parallel-Stranded Tetrameric G-Quadruplex DNA Formed from d(TTAGGG)

    Article • Biochemistry, September 2018, American Chemical Society (ACS)

    Atsuya Momotake

  18. Multimodal two-photon imaging using a second harmonic generation-specific dye

    Article • Nature Communications, May 2016, Nature

    Atsuya Momotake

  19. Producing a dual-fluorescent molecule by tuning the energetics of excited-state intramolecular proton transfer

    Article • Photochemical & Photobiological Sciences, January 2015, Springer Science + Business Media

    Professor Yoshinobu Nishimura, Atsuya Momotake

  20. Evaluation of Dialkylaminofluorene-Based Hemicyanine Dyes for Second Harmonic Generation Imaging by the Direct Comparison Approach

    Article • Bulletin of the Chemical Society of Japan, October 2013, The Chemical Society of Japan

    Atsuya Momotake

  21. Photochemistry of arylacetylenyl-substituted stilbenes

    Article • Journal of Photochemistry and Photobiology A Chemistry, January 2013, Elsevier

    Professor Yoshinobu Nishimura, Atsuya Momotake

  22. Self-assembly of a poly(glutamate) dendrimer: solvent-dependent expression of molecular chirality and a [2 + 2] photocrosslinking reaction

    Article • Photochemical & Photobiological Sciences, October 2012, Springer Science + Business Media

    Atsuya Momotake

  23. Excited state intramolecular hydrogen atom transfer of phenylethynyl-substituted 2′-hydroxychalcones

    Article • Research on Chemical Intermediates, June 2012, Springer Science + Business Media

    Atsuya Momotake

  24. 2-(N-Acyl-N-carboxymethylamino)-1-nitrodibenzo[b,d]thiophene: A New Class of Caging Group for Environmental Selective Photorelease of Carboxylic Acid

    Article • Chemistry Letters, June 2012, The Chemical Society of Japan

    Atsuya Momotake

  25. Polarity-dependent Photophysical Properties of Hemicyanine Dyes and Their Application in 2-Photon Microscopy Biological Imaging

    Article • Chemistry Letters, May 2012, The Chemical Society of Japan

    Atsuya Momotake

  26. Environmental polarity estimation in living cells by use of quinoxaline-based full-colored solvatochromic fluorophore PQX and its derivatives

    Article • Photochemical & Photobiological Sciences, April 2012, Springer Science + Business Media

    Atsuya Momotake

  27. N-Acyl-N-carboxymethyl-2-nitroaniline and its analogues: a new class of water-soluble photolabile precursor of carboxylic acids

    Article • Photochemical & Photobiological Sciences, March 2012, Springer Science + Business Media

    Atsuya Momotake

  28. Synthetic localized calcium transients directly probe signalling mechanisms in skeletal muscle

    Article • The Journal of Physiology, March 2012, Wiley

    Atsuya Momotake

  29. Extremely efficient photoisomerization of water-soluble diphenylbutadiene dendrimers

    Article • Dyes and Pigments, February 2012, Elsevier

    Professor Yoshinobu Nishimura, Atsuya Momotake

  30. Unusually efficient trans-to-cis photoisomerization of diphenylbutadiene dendrimers in water

    Article • Photochemical & Photobiological Sciences, October 2011, Springer Science + Business Media

    Professor Yoshinobu Nishimura, Atsuya Momotake

  31. Extremely efficient and long lifetime fluorescence of cis-stilbene contained in a rigid dendrimer

    Article • Photochemical & Photobiological Sciences, October 2011, Springer Science + Business Media

    Professor Yoshinobu Nishimura, Atsuya Momotake

  32. Observation of anthracene excimer fluorescence at very low concentrations utilizing dendritic structures

    Article • Journal of Photochemistry and Photobiology A Chemistry, September 2011, Elsevier

    Professor Yoshinobu Nishimura, Atsuya Momotake

  33. Spatial Distributions of GABA Receptors and Local Inhibition of Ca2+ Transients Studied with GABA Uncaging in the Dendrites of CA1 Pyramidal Neurons

    Article • PLOS One, July 2011, PLOS

    Atsuya Momotake

  34. Energy Transfer andtrans–cisIsomerization in Dendrimer Aggregates

    Article • Bulletin of the Chemical Society of Japan, April 2011, The Chemical Society of Japan

    Professor Yoshinobu Nishimura, Atsuya Momotake

  35. Development of a quinoxaline-based fluorescent probe for quantitative estimation of protein binding site polarity

    Article • Chemical Communications, January 2011, Royal Society of Chemistry

    Professor Yoshinobu Nishimura, Atsuya Momotake

  36. The use of dendrimers as high-performance shells for round-trip energy transfer: efficient trans-cis photoisomerization from an excited triplet state produced within a dendrimer shell

    Article • Photochemical & Photobiological Sciences, January 2011, Springer Science + Business Media

    Atsuya Momotake

  37. Singlet molecular oxygen generation by water-soluble phthalocyanine dendrimers with different aggregation behavior

    Article • Journal of Porphyrins and Phthalocyanines, January 2011, World Scientific Pub Co Pte Lt

    Professor Yoshinobu Nishimura, Atsuya Momotake

  38. Photochemistry of Linear-Shaped Phenylacetylenyl- and (Phenylacetylenyl)phenylacetylenyl-Substituted Aromatic Enediynes

    Article • The Journal of Physical Chemistry A, October 2010, American Chemical Society (ACS)

    Professor Yoshinobu Nishimura, Atsuya Momotake

  39. Fluorescence Enhancement in 7-Hydroxyquinoline Analogs by Methyl Substitution and Their Spectroscopic Characteristics in Aqueous Solution

    Article • Bulletin of the Chemical Society of Japan, October 2010, The Chemical Society of Japan

    Atsuya Momotake

  40. Tsukuba-green: A Fluorescent Dye that Emits Green Fluorescence Useful for Live-cell Imaging

    Article • Chemistry Letters, March 2010, The Chemical Society of Japan

    Atsuya Momotake

  41. 1-Acyl-5-methoxy-8-nitro-1,2-dihydroquinoline: a biologically useful photolabile precursor of carboxylic acids

    Article • Tetrahedron Letters, March 2010, Elsevier

    Atsuya Momotake

  42. Excited-State Intramolecular Proton Transfer of Naphthalene-Fused 2-(2′-Hydroxyaryl)benzazole Family

    Article • The Journal of Physical Chemistry A, February 2010, American Chemical Society (ACS)

    Professor Yoshinobu Nishimura, Atsuya Momotake

  43. Substituent Effect of 7-Hydroxy-1-methylquinolinium Derivatives: A Photochemical Approach to Development of New Fluorescent pH Indicator

    Article • Heterocycles, January 2010, Japan Institute of Heterocyclic Chemistry

    Atsuya Momotake

  44. Stilbene-cored poly(glutamate) dendrimers

    Article • Tetrahedron Letters, December 2009, Elsevier

    Professor Yoshinobu Nishimura, Atsuya Momotake

  45. Synthesis and Photochemical Characteristics of Amphiphilic Enediyne Dendrimers

    Article • Bulletin of the Chemical Society of Japan, June 2009, The Chemical Society of Japan

    Professor Yoshinobu Nishimura, Atsuya Momotake

  46. Photochemical Properties of 3,3′-Disubstituted Stilbene Dendrimers

    Article • Bulletin of the Chemical Society of Japan, May 2009, The Chemical Society of Japan

    Professor Yoshinobu Nishimura, Atsuya Momotake

  47. Photoinduced Proton Transfer in 2-(2′-Hydroxynaphthalenyl)benzoxazole: Observation of Fluorescence with a Small Stokes Shift Induced by Excited-State Intramolecular Proton Transfer

    Article • Bulletin of the Chemical Society of Japan, January 2009, The Chemical Society of Japan

    Professor Yoshinobu Nishimura, Atsuya Momotake

  48. High Binding Affinity of DABCO with Porphyrin in a Porphyrin-cis-Stilbene-Porphyrin Triad

    Article • Heterocycles, January 2009, Japan Institute of Heterocyclic Chemistry

    Professor Yoshinobu Nishimura, Atsuya Momotake

  49. Exploration of two-photon photostimulation for neuroscience

    Article • Neuroscience Research, January 2009, Elsevier

    Atsuya Momotake

  50. Photochemical and Photophysical Characteristics in the Excited State Properties of Methoxy-substituted Enediynes

    Article • Chemistry Letters, February 2008, The Chemical Society of Japan

    Professor Yoshinobu Nishimura, Atsuya Momotake

  51. Synthesis and Photocleavage of 7-[{Bis(carboxymethyl)amino}coumarin-4-yl]methyl-Caged Neurotransmitters

    Article • Bulletin of the Chemical Society of Japan, December 2007, The Chemical Society of Japan

    Atsuya Momotake

  52. Isomer Specific Solvent Effect on Photoisomerization of Photoresponsive Polyphenylene Dendrimers with a Stilbene Core

    Article • Bulletin of the Chemical Society of Japan, November 2007, The Chemical Society of Japan

    Atsuya Momotake

  53. Synthesis and Photoisomerization of Enediyne-Type Dendrimers with Benzyl Ether Dendrons

    Article • Bulletin of the Chemical Society of Japan, October 2007, The Chemical Society of Japan

    Professor Yoshinobu Nishimura, Atsuya Momotake

  54. The Effect ofmeta-Substitution on the Photochemical Properties of Benzoxazole Derivatives

    Article • Bulletin of the Chemical Society of Japan, March 2007, The Chemical Society of Japan

    Atsuya Momotake

  55. The first observation of the effect of dendritic structure to produce the triplet excited state of the core stilbene by dendron excitation

    Article • Tetrahedron Letters, January 2007, Elsevier

    Professor Yoshinobu Nishimura, Atsuya Momotake

  56. Intramolecular photoinduced processes of newly synthesized dual zinc porphyrin-fullerene triad with flexible linkers

    Article • Journal of Porphyrins and Phthalocyanines, December 2006, World Scientific Pub Co Pte Lt

    Atsuya Momotake

  57. Solvent Effect on the Photochemical Properties of Symmetrically Substitutedtrans-3,3‘,5,5‘-Tetramethoxystilbene

    Article • The Journal of Physical Chemistry A, November 2006, American Chemical Society (ACS)

    Professor Yoshinobu Nishimura, Atsuya Momotake

  58. Synthesis and Photochemical Properties of a New Water-Soluble Coumarin, Designed as a Chromophore for Highly Water-Soluble and Photolabile Protecting Group

    Article • Bulletin of the Chemical Society of Japan, November 2006, The Chemical Society of Japan

    Professor Yoshinobu Nishimura, Atsuya Momotake

  59. Substituent Effects on the Ground-State Properties of Naphthalene-Based Analogues of Salicylideneaniline in Solution

    Article • Bulletin of the Chemical Society of Japan, February 2006, The Chemical Society of Japan

    Atsuya Momotake

  60. The nitrodibenzofuran chromophore: a new caging group for ultra-efficient photolysis in living cells

    Article • Nature Chemical Biology, January 2006, Nature

    Atsuya Momotake

  61. Enhancement of the Large Stokes-Shifted Fluorescence Emission from the 2-(2‘-Hydroxyphenyl)benzoxazole Core in a Dendrimer

    Article • The Journal of Physical Chemistry A, November 2005, American Chemical Society (ACS)

    Atsuya Momotake

  62. Photochemistry of Salicylideneaniline Analogue at Low Temperature

    Article • Chemistry Letters, September 2005, The Chemical Society of Japan

    Atsuya Momotake

  63. Study on Oxygen Quenching Processes of the Excited State Dendrimer Molecules

    Article • Chemistry Letters, May 2005, The Chemical Society of Japan

    Professor Yoshinobu Nishimura, Atsuya Momotake

  64. The photochemical isomerization of cross-linked 1,3,5-tristyrylbenzene dendrimer with hula-twist mechanism

    Article • Tetrahedron Letters, April 2005, Elsevier

    Atsuya Momotake

  65. Unusual Solvatochromism Based on Intramolecular Hydrophobic Interaction in Water-soluble Azobenzene Dendrimers

    Article • Chemistry Letters, March 2005, The Chemical Society of Japan

    Atsuya Momotake

  66. Inhibition of the Formation and Decay of Stilbene Core Radical Cations by the Dendron during the Photoinduced Electron Transfer

    Article • The Journal of Physical Chemistry B, January 2005, American Chemical Society (ACS)

    Atsuya Momotake

  67. Photochemical and complexation studies for new fluorescent and colored chelator

    Article • Science and Technology of Advanced Materials, January 2005, Taylor & Francis

    Atsuya Momotake

  68. A new fluorescent metal sensor with two binding moieties

    Article • Tetrahedron Letters, December 2004, Elsevier

    Atsuya Momotake

  69. Synthesis and photochemical properties of porphyrin–azobenzene triad

    Article • Tetrahedron Letters, December 2004, Elsevier

    Atsuya Momotake

  70. Effects of Benzyl Ether Type Dendrons as Hole-Harvesting Antennas, and Shielding for the Neutralization of Stilbene Core Radical Cations with Chloride Ion during Two-Photon Ionization of Stilbene Dendrimers Having Stilbene Core and Benzyl Ether Type De...

    Article • Journal of the American Chemical Society, November 2004, American Chemical Society (ACS)

    Atsuya Momotake

  71. Water-soluble poly(aryl ether) dendrimers as a potential fluorescent detergent to form micelles at very low CMC

    Article • Tetrahedron Letters, November 2004, Elsevier

    Atsuya Momotake

  72. Dynamics of Water-Soluble Stilbene Dendrimers upon Photoisomerization

    Article • The Journal of Physical Chemistry B, August 2004, American Chemical Society (ACS)

    Atsuya Momotake

  73. Synthesis, excited state properties, and dynamic structural change of photoresponsive dendrimers

    Article • Polymer, July 2004, Elsevier

    Atsuya Momotake

  74. The Photochemical Specific Isomerization of Dendritic Stilbenes

    Article • Bulletin of the Chemical Society of Japan, June 2004, The Chemical Society of Japan

    Atsuya Momotake

  75. Photochemistry and photophysics of stilbene dendrimers and related compounds

    Article • Journal of Photochemistry and Photobiology C Photochemistry Reviews, May 2004, Elsevier

    Atsuya Momotake

  76. Water-soluble azobenzene dendrimers

    Article • Tetrahedron Letters, May 2004, Elsevier

    Atsuya Momotake

  77. Photochromism, thermochromism, and solvatochromism of naphthalene-based analogues of salicylideneaniline in solution

    Article • Journal of Photochemistry and Photobiology A Chemistry, March 2004, Elsevier

    Atsuya Momotake

  78. Photoisomerisation and fluorescence behaviour of polyphenylene-based stilbene dendrimers

    Article • Photochemical & Photobiological Sciences, November 2003, Springer Science + Business Media

    Atsuya Momotake

  79. Controlling the Hydrophobic Properties of Water-soluble Stilbene Dendrimers

    Article • Chemistry Letters, November 2003, The Chemical Society of Japan

    Atsuya Momotake

  80. A new class of azobenzene chelators for Mg2+ and Ca2+ in buffer at physiological pH

    Article • Tetrahedron Letters, September 2003, Elsevier

    Atsuya Momotake

  81. Synthesis and isomerization of azobenzene dendrimers

    Article • Photochemical & Photobiological Sciences, August 2003, Springer Science + Business Media

    Atsuya Momotake

  82. Water-Soluble Stilbene Dendrimers.

    Article • ChemInform, May 2003, Wiley

    Atsuya Momotake

  83. Photochemical cyclization reaction in cis-tetramethoxystilbene

    Article • Journal of Photochemistry and Photobiology A Chemistry, May 2003, Elsevier

    Atsuya Momotake

  84. The photochemical characteristics of aromatic enediyne compounds substituted with electron donating and electron withdrawing groups

    Article • Organic & Biomolecular Chemistry, January 2003, Royal Society of Chemistry

    Atsuya Momotake

  85. 1,3,5-Tristyrylbenzene dendrimers: a novel model system to explore oxygen quenching in a highly organized environment

    Article • Organic & Biomolecular Chemistry, January 2003, Royal Society of Chemistry

    Atsuya Momotake

  86. Water-soluble stilbene dendrimers

    Article • Chemical Communications, November 2002, Royal Society of Chemistry

    Atsuya Momotake

  87. Photoisomerization of Stilbene Dendrimers: The Need for a Volume-conserving Isomerization Mechanism¶

    Article • Photochemistry and Photobiology, January 2002, Wiley

    Atsuya Momotake

  88. Grignard and Cerium Reagents of Pyrimidine Derivatives

    Article • Synthesis, March 1999, Thieme Publishing Group

    Atsuya Momotake

  89. Convenient synthesis of C-aza-2,3-dideoxynucleosides

    Article • Journal of the Chemical Society Perkin Transactions 1, January 1999, Royal Society of Chemistry

    Atsuya Momotake

  90. Synthesis and Properties ofC-Azalyxonucleosides

    Article • The Journal of Organic Chemistry, October 1998, American Chemical Society (ACS)

    Atsuya Momotake

  91. Synthesis and properties of C-aza-2-deoxy-L-lyxonucleosides †

    Article • Journal of the Chemical Society Perkin Transactions 1, January 1998, Royal Society of Chemistry

    Atsuya Momotake

  92. Synthesis and Their Properties of Azanucleosides.

    Article • Journal of Synthetic Organic Chemistry Japan, January 1998, The Society of Synthetic Organic Chemistry, Japan

    Atsuya Momotake

  93. Acyloxycoumarinylmethyl-Caged cAMP, the Photolabile and Membrane-Permeable Derivative of cAMP That Effectively Stimulates Pigment-Dispersion Response of Melanophores

    Article • Biochemical and Biophysical Research Communications, November 1996, Elsevier

    Professor Toshiaki Furuta, Atsuya Momotake

  94. A Convenient Method forC-Azanucleosides Synthesis

    Article • The Journal of Organic Chemistry, January 1996, American Chemical Society (ACS)

    Atsuya Momotake