Publications

    2023

  1. Nonuniform STM Contrast of Self-Assembled Tri-n-octyl-triazatriangulenium Tetrafluoroborate on HOPG
    S. Snegir, Y. J. Dappe, D. Sysoiev, T. Huhn, E. Scheer
    ACS Omega 2023, 8(41), 38766–38772.
  2. Novel Bimetallic Oxido-bridged Phenolato Hafnium(IV) Complex with Enhanced Anti-tumor Activity and Aqueous stability
    W. Zhao, P. Yuan, Q. Zhang, N. Liu, Y. Wang, P. Wang, T. Huhn, Z. Yang, T. Zhao
    Results Chem. 2023, 101161.
  3. Anti-tumoral Titanium(IV) Complexes Stabilized with Phenolato Ligands and Structure-Activity Relationship
    T. Zhao, P. Wang, X. Zhang, N. Liu, W. Zhao, Y. Zhang, M. Yang, P. Yuan, S. Li, M. Yang, Z. Yang, T. Huhn
    Curr. Top. Med. Chem. 2023, 23(19), 1835 - 1849.

    2022

  4. Synthesis and X-ray structure analysis of cytotoxic heptacoordinated Salan hafnium(IV) complexes stabilized with 2,6-dipicolinic acid
    T. Zhao, P. Wang, N. Liu, W. Zhao, M. Yang, S. Li, Z. Yang, B. Sun, T. Huhn
    J. Inorg. Biochem. 2022, 240 , 112094.
  5. Bowl-shaped Symmetric- and Non-Symmetric bisfunctionalized Indacenopicenes
    J. Bayer, T. Huhn
    J. Org. Chem. 2022, 87(8), 5257–5278.

    2021

  6. Describing chain-like assembly of ethoxygroup-functionalized organic molecules on Au(111) using high-throughput simulations
    Lokamani, J. Kelling, R. Ohmann, J.Meyer, T. Kühne, G. Cuniberti, J. Wolff, G. Juckeland, T. Huhn, P. Zahn, F. Moresco and S. Gemming
    Sci. Rep. 2021, 11, 14649.
  7. A combined experimental and theoretical study of 1,4-bis(phenylethynyl)-2,5-bis(ethoxy)benzene adsorption on Au(111)
    Lokamani, J. Kelling, R. Ohmann, J.Meyer, T. Kühne, G. Cuniberti, J. Wolff, T. Huhn, P. Zahn, F. Moresco and S. Gemming
    Surf. Sci. 2021, 712, 121877.
  8. Where do the counterions go? Tip-induced dissociation of self-assembled triazatriangulenium-based molecules on Au(111)
    S. Snegir, Y. J. Dappe, D. Sysoiev, O. Pluchery, T. Huhn and E. Scheer
    Phys. Chem. Chem. Phys. 2021, 23, 9930 - 9937.

    2020

  9. Basic enemies of photochromism: irreversible transformation of fluorinated diarylethenes to polyenic enamines and enols
    D. Sysoiev and T. Huhn
    Photochem. Photobiol. Sci. 2020, 19 (11), 1511 - 1516.
  10. Geodesic-Planar Conjugates: Substituted Buckybowls - Synthesis, Photoluminescence and Electrochemistry
    J. Bayer, J. Herberger, L. Holz, R. Winter, T. Huhn
    Chem. Eur. J. 2020, 26 (72), 17546 – 17558. (Hot Paper)
  11. Ultraviolet Deactivation of Silane-Functionalized Surfaces: A Scalable Approach for Patterned Nanoparticle Assembly
    S. Snegir, T. Huhn, J. Boneberg, S. Haus, O. Pluchery, E. Scheer
    J. Phys. Chem. C 2020, 124 (35), 19259 - 19266.
  12. Desulfatiglans anilini initiates degradation of aniline with the production of phenylphosphoamidate and 4-aminobenzoate as intermediates through synthases and carboxylases from different gene clusters
    X. Xie, D. Spiteller, T. Huhn, B. Schink, N. Müller
    Front. Microb. 2020, 11, 2064.
  13. Surface plasmon enhanced switching kinetics of molecular photochromic films on gold nanohole arrays
    B. Lenyk, V. Schöps, J. Boneberg, M. Kabdulov, T. Huhn, E. Scheer, A. Offenhäusser, D. Mayer
    Nano Lett. 2020, 20 (7), 5243 – 5250.

    2019

  14. Photochromic difurylethene bisaldehyde as potential building block for [AA] and [AB]2 macrocyclization
    D. Sysoiev, C. Barnes, T. Huhn
    Chem. Heterocycl. Compd. 2019, 55 (8), 792 - 794.
  15. Unidirectional Real-Time Photoswitching of Diarylethene Molecular Monolayer Junctions with Multilayer Graphene Electrodes
    J. Koo, Y. Jang, L. Martin, D. Kim, H. Jeong, K. Kang, W. Lee, J. Kim, W.-T. Hwang, D. Xiang, E. Scheer, M. Kabdulov, T. Huhn, F. Pauly, T. Lee
    ACS Appl. Mater. Interfaces 2019, 11 (12), 11645 - 11653.

    2018

  16. Anaerobic degradation of the plant sugar sulfoquinovose concomitant with H2S production: Escherichia coli K-12 and Desulfovibrio sp. strain DF1 as co-culture model
    A. Burrichter, K. Denger, P. Franchini, T. Huhn, N. Müller, D. Spiteller, D. Schleheck
    Front. Microbiol. 2018, 9, 2792.
  17. Nanoscopic visualization of cross-linking density in polymer networks with diarylethene photoswitches
    E. Siemes, O. Nevskyi, D. Sysoiev, S. K. Turnhoff, A. Oppermann, T. Huhn, W. Richtering, D. Wöll
    Angew. Chem. Int. Ed. 2018, 57 (38), 12280-12284; Angew. Chem. 2018, 130 (38), 12460 - 12464.
  18. Two enzymes of the acetone degradation pathway of Desulfococcus biacutus: coenzyme B12-dependent 2-hydroxyisobutyryl-CoA mutase and 3-hydroxybutyryl-CoA dehydrogenase
    J. Frey, F. Schneider, T. Huhn, D. Spiteller, B. Schink, D. Schleheck
    Environ. Microbiol. Rep. 2018, 10 (3), 283 - 292.
  19. Facile, non-destructive characterization of 2d photonic crystals using uv-vis-spectroscopy
    V. Schöps, B. Lenyk, T. Huhn, J. Boneberg, E. Scheer, A. Offenhäusser, D. Mayer
    Phys. Chem. Chem. Phys. 2018, 20 (6), 4340 - 4346.
  20. Fluorescent Diarylethene Photoswitches—A Universal Tool for Super-Resolution Microscopy in Nanostructured Materials
    O. Nevskyi, D. Sysoiev, J. Dreier, S. C. Stein, A. Oppermann, F. Lemken, T. Janke, J. Enderlein, I. Testa, T. Huhn, D. Wöll
    Small 2018, 1703333 .
  21. Synthesis of short-chain hydroxyaldehydes and their 2,4-dinitrophenylhydrazone derivatives, and separation of their isomers by High-Performance Liquid Chromatography
    J. Frey, F. Schneider, B. Schink, T. Huhn
    J. Chromatogr. A 2018, 1531, 143 - 150.

    2017

  22. Inelastic Electron Tunneling Spectroscopy in Difurylethenebased Photochromic Single-Molecule Junctions
    Y. Kim, S.G. Bahoosh, D. Sysoiev, T. Huhn, F. Pauly, E. Scheer
    Beilstein J. Nanotechnol. 2017, 8, 2606 - 2614.
  23. Disentangling electron- and electric-field-induced ring-closing reactions in a diarylethene derivative on Ag(111)
    G. Reecht, C. Lotze, D. Sysoiev, T. Huhn, K. J. Franke
    J. Phys.: Condens. Matter 2017, 29, 294001.
  24. Optical properties of gold nanoparticles decorated with furan-based diarylethene photochromic molecules
    S.V. Snegir, A.A. Khodko, N.M. Kachalova, D. Sysoiev, E. Lacaze, O.Pluchery, T. Huhn
    J. Photochem. Photobiol., A 2017, 342, 78 - 84.
  25. Ultrafast ring-closing reaction dynamics of a photochromic furan-based difurylethene
    A. Khodko, V. Khomenko, Y. Shynkarenko, O. Mamuta, O. Kapitanchuk, D. Sysoiev, T. Huhn, S. Snegir
    Chem. Phys. Lett. 2017, 669, 156 - 160.

    2016

  26. Picosecond cyclization reaction dynamics of furan-based diarylethene with thiosemicarbazone side-chain groups
    A. A. Khodko, V. V. Khomenko, O. D. Mamuta, Iu. P. Mukha, D. O. Sysoiev, T. Huhn, S.V. Snegir
    Mol. Cryst. Liq. Cryst. 2016, 639, 64 - 70.
  27. Visualizing the Role of Molecular Orbitals in Charge Transport through Individual Diarylethene Isomers
    G. Reecht, C. Lotze, D. Sysoiev, T. Huhn, K. J. Franke
    ACS Nano 2016, 10 (11), 10555 – 10562.
  28. Nanoscopic visualization of soft matter using fluorescent diarylethene photoswitches
    O. Nevskyi, D. Sysoiev, A. Oppermann, T. Huhn, D. Wöll
    Angew. Chem. Int. Ed. 2016, 55 (41), 12698–12702; Angew. Chem. 2016, 128 (41), 12890 - 12894.
  29. Large Magnetoresistance in Single Radical Molecular Junctions
    R. Hayakawa, M.A. Karimi, J. Wolf, T. Huhn, M.S. Zöllner, C. Herrmann, E. Scheer
    Nano Lett. 2016, 16 (8), 4960 - 4967.
  30. Cytotoxic Heteroleptic Heptacoordinate Salan Zirconium(IV)-bis-Chelates – Synthesis, Aqueous Stability and X-ray Structure Analysis
    F. Schneider, T. Zhao, T. Huhn
    Chem. Commun. 2016, 52 (66), 10151 - 10154.
  31. Role of solvents in the electronic transport properties of single-molecule junctions
    K. Luka-Guth, S. Hambsch, A. Bloch, P. Ehrenreich, B. M. Briechle, F. Kilibarda, T. Sendler, D. Sysoiev, T. Huhn, A. Erbe, E. Scheer
    Beilst. J. Nanotech. 2016, 7, 1055 – 1067.
  32. Differential cytotoxicity induced by the Titanium(IV)Salan complex Tc52 in G2-phase independent of DNA damage
    T. Pesch, H. Schuhwerk, P. Wyrsch, T. Immel, W. Dirks, A. Bürkle, T. Huhn, S. Beneke
    BMC Cancer 2016, 16:469.
  33. Optically controlled properties of nanoparticles stabilised by photochromic difurylethene-base diarylethenes
    S. Snegir, I. Mukha, D. Sysoiev, E. Lacaze, T. Huhn, O. Pluchery
    Materialwiss. Werkstofftech. 2016, 47 (2-3), 229 - 236.
  34. Fast and Reliable Quantitative Peptidomics with labelpepmatch
    R. Verdonck, W. De Haes, D. Cardoen, G. Menschaert, T. Huhn, B. Landuyt, G. Baggerman, K. Boonen, T. Wenseleers, L. Schoofs
    J. Proteome Res. 2016, 15 (3), 1080 - 1089.

    2015

  35. Reversible Switching Phenomenon in Diarylethene Molecular Devices with Reduced Graphene Oxide Electrodes on Flexible Substrates
    D. Kim, H. Jeong, W.-T. Hwang, Y. Jang, D. Sysoiev, E. Scheer, T. Huhn, M. Min, H. Lee, T. Lee
    Adv. Funct. Mater. 2015, 25 (37), 5918 - 5923.
  36. Synthesis and X-ray Structure Analysis of Cytotoxic Heptacoordinate Sulfonamide Salan Titanium(IV)-bis-Chelates
    T. Zhao, M. Grützke, K.H. Götz, T. Druzhenko, T. Huhn
    Dalton Trans. 2015, 44 (37), 16475 - 16485.
  37. Heptacoordinate Heteroleptic Salan (ONNO) and Thiosalan (OSSO) Titanium(IV) Complexes: Investigation of Stability and Cytotoxicity
    M. Grützke, T. Zhao, T.A. Immel, T. Huhn
    Inorg. Chem. 2015, 54 (14), 6697 – 6706.
  38. Highly Ordered Surface Self-Assembly of Fe4 Single Molecule Magnets
    P. Erler, P. Schmitt, N. Barth, A. Irmler, S. Bouvron, T. Huhn, U. Groth, F. Pauly, L. Gragnaniello, M. Fonin
    Nano Lett. 2015, 15 (7), 4546 – 4552.
  39. Mad2 Inhibitor-1 (M2I-1): A Small Molecule Protein–Protein Interaction Inhibitor Targeting the Mitotic Spindle Assembly Checkpoint
    J. Kastl, J. Braun, A. Prestel, H. M. Möller, T. Huhn, T. U. Mayer
    ACS Chem. Biol. 2015, 10 (7), 1661 – 1666.
  40. Light-Induced Switching of Tunable Single-Molecule Junctions
    T. Sendler, K. Luka-Guth, M., Wieser, Lokamani, J. Wolf, M. Helm, S. Gemming, J. Kerbusch, E. Scheer, T. Huhn, A. Erbe
    Adv. Sci. 2015, 201500017.
  41. Large protonation-gated photochromism of an OPE-embedded difurylperfluorocyclopentene
    J. Wolf, T. Huhn, U. Steiner
    Phys. Chem. Chem. Phys. 2015, 17 (8), 6066 - 6075.
  42. α-Thioalkylation of Zinc Dienolates as an Entry to 4-Substituted 1-tert-Butoxy-7a-methylhexahydroindenes
    T. Köhler, T. Huhn, U. Groth
    Fr. Ukr. J. Chem. 2015, 3 (1), 29 - 45.

    2014

  43. Flexible Molecular-Scale Electronic Devices Composed of Diarylethene Photoswitching Molecules
    D. Kim, H. Jeong, H. Lee, W.-T. Hwang, J. Wolf, E. Scheer, T. Huhn, H. Jeong, T. Lee
    Adv. Mater. (Weinheim, Ger.) 2014, 26 (23), 3968 - 3973.
  44. Sulphoglycolysis in Escherichia coli K-12 closes a gap in the biogeochemical sulphur cycle
    K. Denger, M. Weiss, A.-K. Felux, A. Schneider, C. Mayer, D. Spiteller, T. Huhn, A. Cook, D. Schleheck
    Nature (London, U. K.) 2014, 507, 114 - 117.

    2013

  45. Synthesis and Photoswitching Studies of OPE-Embedded Difurylperfluorocyclopentenes
    J. Wolf, I. Eberspächer, U. Groth, T. Huhn
    J. Org. Chem. 2013, 78 (17), 8366 – 8375.

    2012

  46. Current-voltage characteristics of single-molecule diarylethene junctions measured with adjustable gold electrodes in solution
    B.M. Briechle, Y. Kim, P. Ehrenreich, A. Erbe, D. Sysoiev, T. Huhn, U. Groth, E. Scheer
    Beilstein J. Nanotechnol. 2012, 3, 798 - 808.
  47. Pronounced effects on switching efficiency of diarylcycloalkenes upon cycloalkene ring contraction
    D. Sysoiev, T. Yushchenko, E. Scheer, U. Groth, U.E. Steiner, T.E. Exner, T. Huhn
    Chem. Commun. 2012, 48 (92), 11355 - 11357.
  48. Two Enzymes of a Complete Degradation Pathway for Linear Alkylbenzenesulfonate (LAS) Surfactants:
    4-Sulfoacetophenone Baeyer-Villiger Monooxygenase and 4-Sulfophenylacetate Esterase in Comamonas testosteroni KF-1
    M. Weiss, K. Denger, T. Huhn, D. Schleheck
    Appl. Environ. Microbiol. 2012, 78 (23), 8254 - 8263.
  49. Charge Transport Characteristics of Diarylethene Photoswitching Single-Molecule Junctions
    Y. Kim, T.J. Hellmuth, D. Sysoiev, F. Pauly, T. Pietsch, J. Wolf, A. Erbe, T. Huhn, U. Groth, U.E. Steiner, E. Scheer
    Nano Lett. 2012, 12 (7), 3736–3742.
  50. Synthesis and X-ray structure analysis of a heptacoordinate titanium(IV)-bis-chelate with enhanced in vivo antitumor efficacy
    T. A. Immel, M. Grützke, A.-K. Späte, U. Groth, P. Öhlschläger, T. Huhn
    Chem. Commun. 2012, 48 (46), 5790 - 5792.
  51. Statistical Investigation of Current-Voltage Characterization in Single Molecule-Metal Junctions
    T. Kirchner, B. Briechle, E. Scheer, J. Wolf, T. Huhn, A. Erbe
    Acta Phys. Pol., A 2012, 121 (2), 410 - 415.
  52. Sulfoquinovose degraded by pure cultures of bacteria with release of C3-organosulfonates: complete degradation in two-member communities
    K. Denger, T. Huhn, K. Hollemeyer, D. Schleheck, A.M. Cook
    FEMS Microbiol. Lett. 2012, 328 (1), 39 - 45.
  53. Cytotoxic Dinuclear Titanium-Salan Complexes: Structural and Biological Characterization
    T. A. Immel, M. Grützke, E. Batroff, U. Groth, T. Huhn
    J. Inorg. Biochem. 2012, 106 (1), 68 - 75.

    2011

  54. Synthesis and photoswitching studies of difurylperfluorocyclopentenes with extended π-systems
    D. Sysoiev, A. Fedoseev, Y. Kim, T. Exner, J. Boneberg, T. Huhn, P. Leiderer, E. Scheer, U. Groth, U.E. Steiner
    Chem. Eur. J. 2011, 17 (24), 6663 - 6672.
  55. Titanium Salan Complexes Displays Strong Antitumor Properties In Vitro and In Vivo in Mice
    T. A. Immel, U. Groth, T. Huhn, P. Öhlschläger
    PLoS ONE 6(3): e17869 2011.
  56. Small Molecule Inhibitors of Human DNA Polymerase λ
    T. Strittmatter, B. Bareth, T. A. Immel, T. Huhn, T. U. Mayer, A. Marx
    ACS Chem. Biol. 2011, 6 (4), 314 - 319.

    2010

  57. Revealing the role of anchoring groups in the electrical conduction through single-molecule junctions
    L.A. Zotti, T. Kirchner, J.-C. Cuevas, F. Pauly, T. Huhn, E. Scheer, A. Erbe
    Small 2010, 6 (14), 1529 - 1535.
  58. Dimethyl Titanocene Y: a Valuable Precursor for Libraries of Cytotoxic Titanocene Derivatives
    T.A. Immel, J.T. Martin, C.J. Dürr, U. Groth, T. Huhn
    J. Inorg. Biochem. 2010, 104 (8), 863 - 867.
  59. Pyrrolodiazine derivatives as blue organic luminophores: synthesis and properties. Part 3
    G.N. Zbancioc, T. Huhn, U. Groth, C. Deleanu and I.I. Mangalagiu
    Tetrahedron 2010, 66 (24), 4298 - 4306.
  60. 2,3-Dihydroxypropane-1-sulfonate degraded by Cupriavidus pinatubonensis JMP134: purification of dihydroxypropanesulfonate 3-dehydrogenase
    J. Mayer, T. Huhn, M. Habeck, K. Denger, K. Hollemeyer, A.M. Cook
    Microbiology 2010, 156 (5), 1556 - 1564.
  61. Cytotoxic Titanium Salan Complexes: Surprising Interaction of Salan and Alkoxy Ligands
    T.A. Immel, U. Groth, T. Huhn
    Chem. Eur. J. 2010, 16 (9), 2775 - 2789.
  62. Titanocene Difluorides with Improved Cytotoxic Activity
    S. Eger, T.A. Immel, J. Claffey, H. Müller-Bunz, M. Tacke, U. Groth, T. Huhn
    Inorg. Chem. 2010, 49 (4), 1292 - 1294.
  63. The Missing Link in Linear Alkylbenzenesulfonate Surfactant Degradation: 4-Sulfoacetophenone as a Transient Intermediate in the Degradation of 3-(4-Sulfophenyl)Butyrate by Comamonas testosteroni KF-1
    D. Schleheck, F. von Netzer, T. Fleischman, D. Rentsch, T. Huhn, A. M. Cook, H.-P. E. Kohler
    Appl. Environ. Microbiol. 2010, 76 (1), 196 - 202.

    till 2009

  64. Asymmetric Synthesis of α-Allenylglycines
    C. Bucuroaia, U. Groth, T. Huhn, M. Klinge
    Eur. J. Org. Chem. 2009, 3605 – 3612.
  65. Highly Selective Apoptotic Cell Death Induced by Halo-Salane Titanium Complexes
    T.A. Immel, M. Debiak, U. Groth, A. Bürkle, T. Huhn
    ChemMedChem 2009, 4 (5), 738 - 741.
  66. Assimilation of homotaurine-nitrogen by Burkholderia sp. and excretion of sulfopropanoate
    J. Mayer, K. Denger, K. Kaspar, K. Hollemeyer, T.H.M. Smits, T. Huhn, A. Cook
    FEMS Microbiol. Lett. 2008, 279 (1), 77 - 82.
  67. Nitrosation of Sugar Oximes: Preparation of 2-Glycosyl-1-hydroxydiazene-2-oxides
    J. Brand, T. Huhn, U. Groth, J.C. Jochims
    Chem. Eur. J. 2006, 12 (2), 499 - 509.
  68. Cyanopeptolin 954, a Chlorine-Containing Chymotrypsin Inhibitor of Microcystis aeruginosa NIVA Cya 43
    E. von Elert, L. Oberer, P. Merkel, T. Huhn, J. F. Blom
    J. Nat. Prod. 2005, 68 (9), 1324 - 1327.
  69. Cobalt-Mediated Regioselective Synthesis of Substituted Tetrahydroquinolines
    U. Groth, T. Huhn, Ch. Kesenheimer, A. Kalogerakis
    Synlett 2005, 1758 - 1760.
  70. Preparation of Isospecific Metallocene Catalysts for Olefin Polymerization that are Covalently Tethered on Solid Surface
    N. Suzuki, J. Yu, N. Shioda, Hayato Asami, T. Nakamura, T. Huhn, A. Fukuoka, M. Ichikawa, M. Saburi, Y. Wakatsuki
    Appl. Catal. A: General 2002, 224 (1-2), 63 - 75.
  71. Immobilization of a C2-Symmetric ansa-Zirconocene Complex on Silica Surfaces Using a Si-Cl Anchor: Catalysts for Isospecific Propene Polymerization
    N. Suzuki, H.Asami, T. Nakamura, T. Huhn, A. Fukuoka, M. Ichikawa, M. Saburi, Y. Wakatsuki
    Chem. Lett. 1999, 28 (4), 341 - 342.
  72. Efficient Preparation of Racemic Isomers of ansa-Zirconocene Complexes with a Vinyl Substituted Silylene Bridge
    T. Huhn, N. Suzuki, Y. Yamaguchi, T.Mise, T. Chihara, Y. Wakatsuki
    Chem. Lett. 1997, 26 (12), 1201 - 1202.
  73. A Diaza-cyclo-tetradecadiene-Bis(pyridosilafuran) Ring System
    E. Pohl, R. Herbst-Irmer, T. Huhn, U. Groth
    Acta Cryst. 1995, C 51, 2145 - 2147.
  74. Intramolekulare Cobaltinduzierte [2+2+2]-Cycloadditionen von Endiinen zu Linear Annelierten Carbo- und Heterocyclen
    P. Eckenberg, U. Groth, T. Huhn
    GIT-Fachzeitschrift für Laborwesen 1993, 892 - 894.
  75. Synthesis of tert-Leucine and Related Amino Acids
    U. Groth, T. Huhn, B. Porsch, C. Schmeck, U. Schöllkopf
    Liebigs Ann. Chem. 1993, 715 - 719.
  76. A Useful Application of Benzyl Trichloroacetimidate for the Benzylation of Alcohols
    P. Eckenberg, U. Groth, T. Huhn, N. Richter, C. Schmeck
    Tetrahedron 1993, 49 (8), 1619 - 1624.
  77. α-Thioalkylation of Zinc Enolates to α,β-disubstituted Ketones
    U. Groth, T. Huhn, N. Richter
    Liebigs Ann. Chem. 1993, 49 - 54.

Patents

  1. Metallocenes Bound to Solid Supports - Their Manufacture, Catalysts Comprising Them and Manufacture of Polyolefins Using Them
    Y. Wakatsuki, S. Suzuki, T. Huhn, I. Masaru, F. Atsushi
    JP 2001072694A (Kokai Tokkyo Koho) 2001.
  2. Racemo-dominant Preparation of ansa-Metallocene Complexes
    Y. Wakatsuki, T. Mise, N. Suzuki, Y. Yamaguchi, T. Huhn
    JP H10287693A (Kokai Tokkyo Koho) 1998.