Publications研究成果

Papers（更新中）

66. Shunya Okamoto, Yoshiaki Ukita, Reflow Process Using Wax for Fabricating Curved Shaped Molds of PDMS Microchannels and Chambers, Micro and Nano Engineering, 2020, in Press

65. Shunya Okamoto, Yoshiaki Ukita, 両面成形型自律遠心マイクロ分注機構の開発と動作安定性の評価, 電気学会論文誌C, 2019, Accepted Corresponding [in Japanese]

64. Hiroki Naito, Shunya Okamoto, Yoshiaki Ukita, 自律制御型マイクロ血漿抽出機構の提案, 電気学会論文誌C, 2019, Accepted Corresponding [in Japanese]

63. Mao Otake, Yoshiaki Ukita, Dynamic Measurement Method of Bio-molecular Interactions by Using Centrifugal Force, Analytical Sciences, 35, (2019) 1123-1127, Selected for Hot Article

62. Mao Otake, Yoshiaki Ukita, Force Analysis Method of Single Molecule Interaction Using Centrifugal Force, Japanese Journal of Applied Physics, 58, (2019) SIIC03-1-7

61. Nguyen Xuan Viet, Miyuki Chikae, Yoshiaki Ukita, and Yuzuru Takamura, Enzyme free glucose sensor based on micro-nano dualporous gold modified screen printed carbon electrode, Int. J. Electrochem. Sci., 13 (2018) 8633 – 8644, doi: 10.20964/2018.09.08

60. Do Thi Ngoc Tram, Yoshiaki Ukita, Truong Thi Ngoc Lien, Design and fabrication of centrifugal microfluidic chip integrated with screen-printed electrode for electrochemical biosensor application, Journal of Science and Technology, Accepted [in Vietnamese]

59. Shunya Okamoto, Yoshiaki Ukita, POCTを指向した自律型遠心マイクロ分注機構の開発, 電気学会論文誌E, Vol. 138-E, No. 8, pp. 370-375, 2018, Corresponding [in Japanese]

58. Chiwa Kataoka, Tsukasa Azeta, Kazuyuki Sawadaishi, Yoshiaki Ukita, Akinobu Yamaguchi, Yuichi Utsumi, A Study for Sensitivity Improvement of 3-D Lab-on-a-CD-Based Immunosensor, Electronics and Communications in Japan, Vol. 101, No. 1, 2018, pp. 61-68 (Translated from Denki Gakkai Ronbunshi, Vol. 137-C, No. 3, March 2017, pp. 418–423)

57. Shunya Okamoto, Yoshiaki Ukita, Automatic microfluidic enzyme-linked immunosorbent assay based on CLOCK-controlled autonomous centrifugal microfluidics, Sensors and Actuators B, Vol. 261, 15 May 2018, pp. 264-270 Corresponding

56. Shinichi Hashimoto, Yuta Tabuchi, Hideaki Yurino, Yoshihiko Hirohashi, Shungo Deshimaru, Takuya Asano, Tasuku Mariya, Kenshiro Oshima, Yuzuru Takamura, Yoshiaki Ukita, Akio Ametani, Naoto Kondo, Norikazu Monma, Tadayuki Takeda, Sadahiko Misu, Toshitugu Okayama, Kazuho Ikeo, Tsuyoshi Saito, Shuich Kaneko, Yutaka Suzuki, Sumio Sugano, Masahira Hattori, Kouji Matsushima, Toshihiko Torigoe, Comprehensive single-cell transcriptome analysis reveals heterogeneity in endometrioid adenocarcinoma tissues, Scientific Reports, 7,14225, 2017, DOI: 10.1038/s41598-017-14676-3.

55. Shunya Okamoto, Yoshiaki Ukita, Autonomous and complex flow control involving multistep injection and liquid replacement in a reaction chamber on steadily rotating centrifugal microfluidic devices, RSC Advances, 7, 35869-35879, 2017, DOI: 10.1039/c7ra03721j Corresponding

54. Yoshiaki Ukita, Chiwa Kataoka, Kazuyuki Sawadaishi, Akinobu Yamaguchi, Yuichi Utsumi, Development of Bead-Based Multiplexed Immunoassay with Image Cytometric Analysis, Sensors and Materials, 29, 567-573, 2017, http://dx.doi.org/10.18494/SAM.2017.1559

53. Yoshiaki Ukita, Takayuki Oguro, Yuzuru Takamura, Density-gradient-assisted centrifugal microfluidics: an approach to continuous-mode particle separation, Biomedical Microdevices,19, 24., 2017, DOI: 10.1007/s10544-017-0158-3

52. 片岡 千和，畔田 吏，澤田石 一之，浮田 芳昭，山口 明啓，内海 裕一，３次元Lab-on-a-CD免疫センシングにおける高感度化，電気学会論文誌Ｃ, Vol. 137-C, No. 3, pp. 418-423, 2017

51. Yoshiaki Ukita, Yuzuru Takamura, Yuichi Utsumi, Direct Digital Manufacturing of Autonomous Centrifugal Microfluidic Device, Japanese Journal of Applied Physics

50. Akinobu Yamaguchi, Hideki Kido, Yoshiaki Ukita, Mitsuyoshi Kishihara, Yuichi Utsumi, Anisotropic pyrochemical microetching of Poly(tetrafluoroethylene) initiated by synchrotron radiation- induced scission of molecule bondings, Applied Physics Letters, 108, 051610, 2016, DOI: 10.1063/1.4941668

49. Yoshiaki Ukita, Yuichi Utsumi, Yuzuru Takamura, Direct digital manufacturing of a mini-centrifuge-driven centrifugal microfluidic device and demonstration of a smartphone-based colorimetric enzyme-linked immunosorbent assay, Analytical Methods, 2015, DOI: 10.1039/C5AY01969A [PDF]

48. Do Van Khoai, Tamotsu Yamamoto, Yoshiaki Ukita, Yuzuru Takamura, Precise Flow Control with Internal Pneumatic Micropump for Highly Sensitive Solid-Phase Extraction Liquid Electrode Plasma, Sensors and Actuators B, 2015

47. Yoshiaki Ukita, Yuzuru Takamura, Yuichi Utsumi, Water-clock-based autonomous flow sequencing in steadily rotating centrifugal microfluidic device, Sensors and Actuators B, 220, 180-183., 2015

46. Yoshiaki Ukita, Yuichi Utsumi, Yuzuru Takamura, Proposal of Mini-Centrifuge-Compatible Centrifugal Microfluidic Device, Sensors and Materials, 27, 391-402., 2015

45. Kiyotaka Sugiyama, Hiroki Harako, Yoshiaki Ukita, Tatsuya Shimoda, Yuzuru Takamura, Pulse-heating ionization for protein on-chip mass spectrometry, Anal. Chem., 86, 7593-7597.,17 August, 2014, DOI: 10.1021/ac501407c

44. Vu Nam Luong, Yoshiaki Ukita, Yuzuru Takamura, Tadaoki Mitani, Tatsuya Shimoda, Thi My Dung Dang, Mau Chien Dang, Solution processing of microcavity for BioMEMS applications, Adv. Nat. Sci.: Nanosci. Nanotechnol., 5 035003 5pp, 2014, doi:10.1088/2043-6262/5/3/035003

43. Yoshiaki Ukita, Yuzuru Takamura, A new stroboscopic technique for the observation of microscale fluorescent objects on a spinning platform in centrifugal microfluidics, Microfluidics and Nanofluidics, DOI 10.1007/s10404-014-1426-7

42. Lightson NG, Yoshiaki Ukita, Yuzuru Takamura, Development of programmable biosensor using solid phase peptide synthesis method on microchip, Japanese Journal of Applied Physics, 53, 05FA09, 22 April 2014, DOI : 10.7567/JJAP.53.05FA09

41. Do Van Khoai, Tamotsu Yamamoto, Yoshiaki Ukita, Yuzuru Takamura, On-chip solid phase extraction - liquid electrode plasma atomic emission spectrometry for detection of trace lead (Pb), Japanese Journal of Applied Physics, 53, 05FS01, 07 April 2014, DOI : 10.7567/JJAP.53.05FS01

40. Suguru Shiohara, Miyuki Chikae, Yoshiaki Ukita, Hiromi Ushijima, Yasukazu Fukumura, Toshinari Takamura, Yuzuru Takamura, Development of the automated gold-linked electrochemical immunoassay system for blood monitoring, Microsystem Technologies, 20, 273-279, 2014, DOI 10.1007/s00542-013-1772-5

39. Rahul Bhardwaj, Yoshiaki Ukita, Yuzuru Takamura, Development of oligopeptide-based novel biosensor by solid-phase peptide synthesis on microchip, Sensors and Actuators B, 192, 818-825, 2014, DOI: 10.1016/j.snb.2013.10.086

38. Yoshiaki Ukita, Yuzuru Takamura, Control of secondary flow in concentrically traveling flow on centrifugal microfluidics, Microfluidics and Nanofluidics, 15, 829-837, 2013, 10.1007/s10404-013-1194-9

37. Do Van Khoai, Atsushi Kitano, Tamotsu Yamamoto, Yoshiaki Ukita, Yuzuru Takamura,Development of high sensitive liquid electrode plasma - atomic emission spectrometry (LEP-AES) integrated with solid phase pre-concentration, Microelectronic Engineering, 28 Feb. 2013

36. Suguru Shiohara, Miyuki Chikae, Yoshiaki Ukita, Hiromi Ushijima, Eiichi Tamiya, Yuzuru Takamura, Effect of microfluidic channel on sensitivity and response in gold-linked electrochemical immunoassay, IEEJ Transactions on Sensors and Microcachines, 133, 12, 04Jan2013

35. Nguyen Xuan Viet, Miyuki Chikae, Yoshiaki Ukita, Kenzo Maehashi, Kazuhiko Matsumoto, Eiichi Tamiya, Pham Hung Viet and Yuzuru Takamura, Gold-linked electrochemical immunoassay on single-walled carbon nanotube for highly sensitive detection of human chorionic gonadotropin hormone, Biosensors and Bioelectronics, 42, 592-597, 2013

34. Amara Apilux, Yoshiaki Ukita, Miyuki Chikae, Orawom Chilapakul and Yuzuru Takamura, Development of Automated Paper-Based Devices for Sequential Multistep Sandwich Enzyme-Linked Immunosorbent Assays Using Inkjet Printing, Lab Chip,13(1), 126-135,2013JAN, DOI: 10.1039/C2LC40690

33. Yoshiaki Ukita, Saki Kondo, Tsukasa Azeta, Masaki Ishizawa, Chiwa Kataoka, Masahiro Takeo, Yuichi Utsumi, Stacked centrifugal microfluidic device with three-dimensional microchannel networks and multifunctional capillary bundle structures for immunoassay, Sensors and actuators B, 166-167, 898-906, 2012

32. Kiyotaka Sugiyama, Yoshiaki Ukita, Yuzuru Takamura, Development of on-chip vacuum generation by gas-liquid phase transition, Sensors and Actuators A, 176 138-142, 2012

31. Nguyen Xuan Viet, Yoshiaki Ukita, MIyuki Chikae, Yasuhide Ohno, Kenzo Maehashi, Kazuhiko Matsumoto, Pham Hung Viet, Yuzuru Takamura, Fabrication of new single walled carbon nanotubes microelectrode for electrochemical sensors application, Talanta, 91, 88-94, 2012

30. Nguyen Hoang Tung, Miyuki Chikae, Yoshiaki Ukita, Pham Hung Viet and Yuzuru Takamura, Sensing technique of silver nanoparticles as labels for immunoassay using liquid electrode plasma atomic emission spectrometry, Analytical Chemistry, 84(3), 1210-1213, 2012 DOI : 10.1021/ac202782b

29. Atsushi Kitano, Akiko Iiduka, Tamotsu Yamamoto, Yoshiaki Ukita, Eiichi Tamiya, Yuzuru Takamura, High sensitive elemental analysis for Cd and Pb by liquid electrode plasma atomic emission spectrometry with quartz glass chip and sample flow, Analytical Chemistry 83(24), 9424-9430, November 2011 DOI: 10.1021/ac2020646

28. Lien T.N. Truong, Nguyen Xuan Viet, Miyuki Chikae, Yoshiaki Ukita, Yuzuru Takamura, Development of label-free impedimetric hCG-immunosensor using screen-printed electrode, Journal of Biosensors & Bioelectonics, 2(3), 1000107, 2011 DOI: 10.4172/2155-6210.1000107

27. Lien T.N. Truong, Miyuki Chikae, Yoshiaki Ukita, Yuzuru Takamura, Labelless impedance immunosensor based on polypyrrole pyrolecarboxylic acid copolymer for hCG detection, Talanta, 85(5), 2576-2580, 2011 DOI: 10.1016/j.talanta.2011.08.018

26. Jin Ishii, Miyuki Chikae, Masayuki Toyoshima, Yoshiaki Ukita, Yoshiko Miura, Yuzuru Takamura, Electrochemical assay for saccharide-protein interactions using glycopolymer-modified gold nanoparticles, Electrochemistry communications, Vol. 13, pp. 830-833, 2011

25. Yoshiaki Ukita, Lassoued Mouez, Yuichi Tomizawa, Yuzuru Takamura, Demonstration of Three-dimensional DNA Trapping by using Electric Force and Hydrodrag Force Japanese Journal of Applied Physics, Vol. 50, R06GL13, 2011

24. 浮田 芳昭， 近藤　沙妃，武尾　正弘，根来　誠司，片岡千和，内海 裕一: “放射光によるフッ素樹脂製フィルターの作製とイムノアッセイチップへの応用”, 電気学会論文誌Ｃ, Vol. 130, No. 10, pp. 1756-1761, 2010

23. Yoshiaki Ukita, Saki Kondo, Chiwa Kataoka, and Yuichi Utsumi, Immunoassay using poly-tetrafluoroethylene (PTFE) microstructure in organic solvent, Microsystem technologies, Vol. 16, No. 8-9, pp.1465-1470, 2010

22. Saki Kondo, Tsukasa Azeta, Yoshiaki Ukita, and Yuichi Utsumi, Vertical liquid transportation through capillary bundle structure using centrifugal force, Microsystem technologies, Vol. 16, No. 8-9, pp.1577-1580, 2010

21. 岸原 充佳, 浮田 芳昭, 山本 成明, 太田 勲, 内海 裕一: “放射光直接エッチングによるテフロンの加工とミリ波テフロン導波管への応用”, 電気学会論文誌Ｃ, Vol. 129, No. 2, pp.259-266, 2009

20. 近藤 沙妃, 浮田 芳昭, 藤原 邦代, 内海 裕一: “X線リソグラフィーにより作製した三次元交差型流路を持つ新規マイクロミキサー”, 電気学会論文誌Ｃ, Vol. 129, No. 2, pp.277-281, 2009

19. 山本 成明, 浮田 芳昭, 持地 広造, 内海 裕一: “放射光を用いたPTFE微細加工”, 電気学会論文誌Ｃ, Vol.129, No.2, pp.244-248, 2009

18. Yoshiaki Ukita, Toshifumi Asano, Kuniyo Fujiwara, Katsuhiro Matsui, Masahiro Takeo, Seiji Negoro, Tomohiko Kanie, Makoto Katayama, and Yuichi Utsumi, Application of vertical microreactor stack with polystylene microbeads to immunoassay, Sensors and actuators A, 145-146, pp. 449-455, 2008

17. Yoshiaki Ukita, Toshifumi Asano, Kuniyo Fujiwara, Katsuhiro Matsui, Masahiro Takeo, Seiji Negoro, Makoto Katayama, Tomohiko Kanie, and Yuichi Utsumi, Enzyme-linked immunosorbent assay using vertical microreactor stack with microbeads, Microsystem technologies, 14, pp. 1567-1572, 2008

16. Yuichi Utsumi, Toshifumi Asano, Yoshiaki Ukita, Katsuhiro Matsui, Masahiro Takeo, and Seiji Negoro, High-sensitive immunoassay using antibody immobilized micro capillaries, Microsystem technologies, 14, pp. 1399-1403, 2008

15. Yoshiaki Ukita, Kazuhiro Kanda, Shinji Matsui, Mitsuyoshi Kishihara, and Yuichi Utsumi, Poly-tetrafluoroethylene processing characteristics using high-energy X-ray, Microsystem technologies, 14, pp. 1573-1579, 2008

14. Yoshiaki Ukita, Mitsuyoshi Kishihara, Yuichi Haruyama, Kazuhiro Kanda, Shinji Matsui, Kozo Mochiji, and Yuichi Utsumi, Fabrication of poly-tetrafluoroethylene microparts by high-energy X-ray induced etching, Japanese journal of applied physics, 47, pp. 337-341, 2008

13. Mitsuyoshi Kishihara, Yoshiaki Ukita, Yuichi Utsumi, and Isao Ohta, Fabrication of a PTFE-filled waveguide for millimeter-wave components using SR direct etching process, Microsystem technologies, 14, pp. 1417-1422, 2008

12. Kuniyo Fujiwara, Yoshiaki Ukita, Masahiro Takeo, Seiji Negoro, Tomohiko Kanie, Makoto Katayama, and Yuichi Utsumi, High-efficiency mixing by the use of cross-linked micro capillary fluid filter, Microsystem Technologies, 14, pp. 1411-1416, 2008

11. Harutaka Mekaru, T. Takano, Yoshiaki Ukita, Yuichi Utsumi, and M. Takahashi, A Si stencil mask for X-ray lithography fabricated by MEMS technology, Microsystem technologies, 14, pp. 1355-1342, 2008

10. Yuichi Utsumi, Yusuke Hitaka, Toshifumi Asano, and Yoshiaki Ukita, Planar microreactor for biochemical application made from silicon and polymer films, Microsystem technologies, 13, pp.425-429, 2007

9. Katsuhiro Matsui, Isao Kawaji, Yuichi Utsumi, Yoshiaki Ukita, Toshifumi Asano, Masahiro Takeo, Dai-ichiro Kato, and Seiji Negoro, Enzyme-linked immunosorbent assay for nonylphenol using antibody-bound micro fluid filters in vertical fluidic operation, Journal of bioscience and bioengineering, 104, pp. 347-350, 2007

8. Yoshiaki Ukita, Toshifumi Asano and Yuichi Utsumi, Fluid filter fabricated by deep X-ray lithography for microfluidics, Microsystem technologies, 13, pp. 435-439, 2007

7. Toshifumi Asano, Yoshiaki Ukita, Katsuhiro Matsui, Masahiro Takeo, Seiji Negoro and Yuichi Utsumi, Fabrication of a micro reactor for vertical unit operation using multifunctional fluid filter and its application to biochemical reaction, Microsystem technologies, 13, pp.441-446, 2007

6. 松井 勝弘, 森本 祥平, 浅野 豪文, 浮田 芳昭, 加藤 太一郎, 武尾 正弘, 内海 裕一, 根来 誠司: “積層型マイクロリアクターを用いた酵素免疫測定法による生体物質測定系の開発”, 電気学会論文誌Ｃ, Vol. 127, No.2, pp.204-209, 2007

5. 藤原 邦代, 浮田 芳昭, 浅野 豪文, 松井 勝弘, 武尾 正弘, 根来 誠司, 内海 裕一: “多機能フィルターを用いた垂直流体操作の挙動予測と検証”, 電気学会論文誌Ｃ, Vol. 127, No. 2, pp.210-216, 2007

4. Yuichi Utsumi, Toshifumi Asano, Yoshiaki Ukita, Katsuhiro Matsui, Masahiro Takeo and Seiji Negoro, Proposal of a new microreactor for vertical chemical operation, Journal of vacuum science and technologies B, 24, pp.2606-2610, 2006

3. Yoshiaki Ukita, Toshifumi Asano, Kuniyo Fujiwara, Takuya Yokoyama, Katsuhito Matsui, Masahiro Takeo, Seiji Negoro, Tsunemasa Saiki and Yuichi Utsumi, Novel characteristics of multifunctional fluid filters fabricated by high-energy synchrotron radiation lithography, Japanese journal of applied physics, 45, pp. 7203-7208, 2006

2. Yuichi Utsumi, Toshifumi Asano, Yoshiaki Ukita, Katsuhiro Matsui, Masahiro Takeo, and Seiji Negoro, A new micro chemical reactor stack for vertical fluid flow operation, Japanese journal of applied physics, 44, pp.5707-5710, 2005

1. Toshifumi Asano, Yoshiaki Ukita, Katsuhiro Matsui, Masahiro Takeo, Seiji Negoro and Yuichi Utsumi, Vertical micro reactor for integrated chemical reaction system, e-Journal of surface science and nanotechnology, 3, pp.190-194, 2005

Conferences

[101] Reijiro Shimura, Phan Trong Tue, Yuuki Tagashira, Yoshiaki Ukita, Tatsuya Shimoda, Manish Biyani, and Yuzuru Takamura,　Low-temperature solution-processed thin film lead zirconium titanate actuator for active-matrix actuator array,　International Conference on Advanced materials for Energy, Environments and Health (ICAM-2016), India, 2016.3.4-7

[100] Reijiro Shimura, Phan Trong Tue, Yuuki Tagashira, Yoshiaki Ukita, Tatsuya Shimoda, Yuzuru Takamura, Development of thin-film lead zirconium titanate actuator using solution process for highly integrated biochip, The international congress of pacific basin societies 2015 (Pacifichem 2015), Hawaii, 2015.12.15-10

[99] H. Uno, Z-H. Wang, S. Ishigaki, Y. Ukita, T. Ishizuka, Y. Takamura, T. Urisu, Extraction of the cytoplasm for suitably and quantitatively analyzing mRNA of a single cell, 9th International Symposium on Nanomedicine, 2015 (ISNM 2015), Mie University 12.10-12

[98] Yuichi Utsumi, Akinobu Yamaguchi, Yoshiaki Ukita, Proposal of Three-dimensional Microfluidics Device for Enzyme-linked Immunosorbent Assay Using Centrifugal Force, 9th International Symposium on Nanomedicine, 2015 (ISNM 2015), Mie University 12.10-12

[97] Yoshiaku Ukita, Yuzuru Takamura, Yuichi Utsumi, Direct Digital Manufacturing of Autonomous Centrifugal Microfluidic Device, 28th International Microprocesses and Nanotechnology Conference (MNC2015), Toyama, 2015.11.10-13

[96] Reijiro Shimura, Phan Trong Tue, Yuuki Tagashira, Yoshiaki Ukita, Tatsuya Shimoda, Yuzuru Takamura, Solution-processed thin-film lead zirconium titanate actuator for highly integrated biochip, International Symposium on Microchemistry and Microsystems (ISMM 2015), Kyoto, 2015. 6. 8-10

[95] Kiyotaka Sugiyama, Hiroki Harako, Yoshiaki Ukita, Yuzuru Takamura, Development of miniaturized ionization source for protein mass spectrometry on a chip, The 18th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2014), America, 2014.10.26-30

[94] Rahul Bhardwaj, Lightson Ngashangva, Yoshiaki Ukita, Manish Biyani, Yuzuru Takamura, Development of programmable biosensor based on the electrochemical detection of metal ion, The 18th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2014), America, 2014.10.26-30

[93] Lightson Ngashangva, Raful Bhardwaj, Yoshiaki Ukita, Yuzuru Takamura, Manish Biyani, High sensitive detection of biomolecule by synthesized peptide bioprobe on-chip based programmable biosensor, The 18th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2014), America, 2014.10.26-30

[92] Bineet Sharma, Manish Biyani, Yoshiaki Ukita, Yuzuru Takamura, Study on centrifugal force based particle trapping in micro chamber at lower reynolds number, The 18th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2014), America, 2014.10.26-30

[91] Nam Vu Luong, Yoshiaki Ukita, Yuzuru Takamura, Tadaoki Mitani, Tatsuya Shimoda, Dung My Thi Dang and Chien Mau Dang, Solution processing of microcavity for biomems applications, The 4th International Workshop on Nanotechnology and Application (IWNA2013), Vietnam, 2013.11.14-16

[90] Kiyotaka Sugiyama, Hiroki Harako, Yoshiaki Ukita and Yuzuru Takamura, On-chip Ionization Source for Protein Coupled with Time of Flight Mass Spectrometry, 26th international Microprocesses and Nanotechnology Conference (MNC2013), Sapporo, 2013.11.5-8

[89] Lightson NG, Yoshiaki Ukita and Yuzuru Takamura, Characterization and optimization of on-chip short peptides synthesis by following the principle of fmoc-solid phase peptide synthesis, 26th international Microprocesses and Nanotechnology Conference (MNC2013), Sapporo, 2013.11.5-8

[88] Do Van Khoai, Yoshiaki Ukita, Yuzuru Takamura, Development of on-chip solid phase extraction (SPE) with precise flow-control by micropump for highly sensitive liquid electrode plasma atomic emission spectrometry (LEP AES), The 17th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2013), Freiburg, 2013.10.27-31

[87] Xuan Viet Nguyen, Miyuki Chikae, Yoshiaki Ukita, and Yuzuru Takamura, Enzyme free glucose sensor based on micro-nano dualporous gold modified screen printed carbon electrode, The 17th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2013), Freiburg, 2013.10.27-31

[86] Amara Apilux, Yoshiaki Ukita, Miyuki Chikae, Orawom Chailapaku, and Yuzuru Takamura, Automatic PH changing system for sensitivity improvement of ELISA on lab-on-paper, The 17th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2013), Freiburg, 2013.10.27-31

[85] Rahul Bhardwaj, Yoshiaki Ukita and Yuzuru Takamura, Label Free Electrochemical Biosensor for DNA Hybridization Detection using On-Chip Synthesized Probes, International Symposium on Advanced Materials 2013 (ISAM2013), JAIST, 2013.10.17-18

[84] Lightson NG, Yoshiaki Ukita and Yuzuru Takamura, Synthesis of peptide as probe molecule on microfluidic chip using Fmoc-SPPS protocol to develop programmable biosensor, International Symposium on Advanced Materials 2013 (ISAM2013), JAIST, 2013.10.17-18

[83] Bineet Sharma, Kiyotaka Sugiyama, Yoshiaki Ukita, D.S. Rawat, Yuzuru Takamura, Study on Trapping of Particle by loop trajectory for Single Cell Washing, International Symposium on Advanced Materials 2013 (ISAM2013), JAIST, 2013.10.17-18 [82] Kiyotaka Sugiyama, Yoshiaki Ukita and Yuzuru Takamura, Development of miniaturized ionization source for protein sample coupled with time of flight mass spectrometry, 39th International Conference on Micro and Nano Engineering (MNE2013), London, 2013.9.16-19

[81] Rahul Bhardwaj, Yoshiaki Ukita and Yuzuru Takamura, An EIS based label free detection of DNA hybridiazatoin using on chip synthesized oligonucleotide probe, 39th International Conference on Micro and Nano Engineering (MNE2013), London, 2013.9.16-19

[80] Lightson NG, Yoshiaki Ukita and Yuzuru Takamura, Development of programmable biosensor using solid phase peptide synthesis method on microchip, 2013 The Japan Society of Applied Physics (JSAP) and the Materials Research Society (MRS) Joint Symposia, Doshisha University, 2013.9.16-20

[79] Khoai Van Do , Tamotsu Yamamoto , Yoshiaki Ukita and Yuzuru Takamura, Development of high sensitive liquid electrode plasma (LEP) integrated with solid phase extraction (SPE), 2013 The Japan Society of Applied Physics (JSAP) and the Materials Research Society (MRS) Joint Symposia, Doshisha University, 2013.9.16-20

[78] Yoshiaki Ukita, Yuzuru Takamura, Study on parallel flow-pattern formation on centrifugal microfluidics for continuous mode processing, 10th International Workshop on High Aspect Ratio Micro and Nano System Technology (HARMNST 2013), Berlin, 2013.04.21-24

[77] Rahul Bhardwaj, Yoshiaki　 Ukita, Yuzuru Takamura, Development of Novel Biosensor Using Solid Phase Peptide Synthesis on Microchip, The Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy 2013 (PITTCON 2013), Philadelphia, 2013.3.17-21

[76] Bineet Sharma, Yoshiaki Ukita, Yuzuru Takamura, Study on particle trapping by micro vortex chamber for single cell washing, International Joint Symposium on Single-Cell Analysis (The 6th International Workshop on Approaches to Single-Cell Analysis & The 8th International Forum on Post-Genome Technologies), Kyoto Research Park, 2012.11.27-28

[75] Yoshiaki Ukita, Yuzuru Takamura, Formation of stable multilaminar flow on centrifugal microfluidic device and application to density gradient separation, International Joint Symposium on Single-Cell Analysis (The 6th International Workshop on Approaches to Single-Cell Analysis & The 8th International Forum on Post-Genome Technologies), Kyoto Research Park, 2012.11.27-28

[74] Bineet Sharma, Yoshiaki Ukita and Yuzuru Takamura, Study on the vortex behaviour in micro scale chamber for the trapping of particles, 25th International Microprocesses and Nanotechnology Conference (MNC2012), Kobe Meriken Park Oriental Hotel, 2012.10.30-11.02

[73] Takayuki Oguro, Yoshiaki Ukita and Yuzuru Takamura, Continuous density gradient centrifugation using a centrifugal microfluidic device, 25th International Microprocesses and Nanotechnology Conference (MNC2012), Kobe Meriken Park Oriental Hotel, 2012.10.30-11.02

[72] Yoshiaki Ukita, Masaki Ishizawa, Yuzuru Takamura, Yuishi Utsumi, Internally triggerd multistep flow sequencers using clepsydra, The 16th International Conference on Miniaturized Systems for Chemistry and Life sciences (μTAS2012), Okinawa Convention Center, 2012.10.28-11.1

[71] Yoshiaki Ukita, Yuzuru Takamura, Switching of secondary flow behavior on cetrifugal microfluidics, The 16th International Conference on Miniaturized Systems for Chemistry and Life sciences (μTAS2012), Okinawa Convention Center, 2012.10.28-11.1

[70] Suguru Shiohara, Yoshiaki Ukita, Hiromi Ushijima, Yasukazu Fukumura, Toshinari Takamura, Yuzuru Takamura, Rapid assay system for insulin and glucose in whole blood by using a full automated postage-stamp-size chip: Possible application for a realtime fitness index in people with metabolic syndrome, The 16th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2012) accepted

[69] Kiyotaka Sugiyama, Hiroki Harako, Yoshiaki Ukita, Yuzuru Takamura, Study on on-chip mass specrometry in a low vacuum operation, The 16th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2012) accepted

[68] Rahul Bhardwaj, Yoshiaki Ukita, Yuzuru Takamura, Development of programmable biosensor using solid phase peptide synthesis on microchip, The 16th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2012) accepted

[67] Lien Thi Ngoc Truong, Tung Thanh Nguyen, Anh Lan Thi Luu, Yoshiaki Ukita, Yuzuru Takamura, Sensitive labelles impedance immunosensor using gold nanoparticles-modified screen-printed carbon ink electrode for act-prostate specific antigen detection, The 16th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2012) accepted

[66] Masahiro Takeo, Isao Kawaji, Akihiro Nakasuji, Takaaki Tone, Yoshiaki Ukita, Dai-ichiro Kato, Seiji Negoro, Shinichi Yusa, Makoto Katayama, Yuichi Utsumi, Automatic ELISA analytical system for a trace amount of environmental chemicals using a 3-dimensional microreactor with a novel antigen-bound microfilter, The 16th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2012) accepted

[65] Yoshiaki Ukita, Takayuki Oguro, Masaki Ishizawa, Hiroki Nose, Yuichi Utsumi, Yuzuru Takamura, Visualization of Biological Fluid Behaviour on Spinning Centrifugal Microfluidics using Coaxial Micro-Stroboscope, 38th International Conference on Micro and Nano Engineering (MNE2012), France, 2012.9.16-20

[64] Do Van Khoai, Atsusi Kitano, Tamotsu Yamamoto, Yoshiaki Ukita, Yuzuru Takamura, Development of high sensitive liquid electrode plasma ? atomic emission spectrometry (LEP-AES) integrated with solid phase pre-concentration, 38th International Conference on Micro and Nano Engineering (MNE2012), France, 2012.9.16-20

[63] Nguyen Viet Xuan, Miyuki Chikae, Yoshiaki Ukita, Kenzo Maehashi, Kazuhiko Matsumoto, Eiichi Tamiya, Yuzuru Takamura, Gold linked electrochemical immunoassay on single walled carbon nanotube for high sensitive detection of human chorionic gonadotropin hormone , The Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy 2012 (PITTCON 2012), USA, 2012.03.11-15

[62] Masaki Ishizawa, Tsukasa Azeta, Hiroki Nose, Yoshiaki Ukita, Yuichi Utsumi, “Three-Dimensional Lab-on-a-CD with Enzyme-Linked Immunosorbent Assay”, Nano/Micro Engineered and Molecular Systems (IEEE-NEMS 2012), pp285-289, March 5-8 (2012), Kyoto, Japan

[61] Yoshiaki Ukita, Yuzuru Takamura and Yuichi Utsumi, A novel flow sequencing method on centrifugal microfluidic device using “Liquid clock”, 24th Intenational Microprocesses and Nanotechnology Conference (NMC2011), 26P-7-147L, Kyoto, 2011.10.24-27

[60] Hideki Kido, Masaki Ishizawa, Tukasa Azeta, Yoshiaki Ukita, Yuichi Utsumi, “Direct Photo-Etching of Fluorocarbon Polymers Induced by High Energy Synchrotron Radiation”, 25th International Microprocesses and Nanotechnology Conference (MNC2011), 26P-7-136, October 24-27 (2011), Kyoto, Japan

[59] Takayuki Yamamori, Yoshiaki Ukita, M. Kobayashi, Yuzuru Takamura, Development of damageless biosafety fluorescence activated cell sorter using electric leak free electroosmosis pump, Proceedings of 15th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2011), Seattle, 2011.10.28-11.1 pp. 1221-1223, 2011

[58] Kiyotaka Sugiyama, Yoshiaki Ukita, Yuzuru Takamura, On-chip vacuum generation by phase transition in micro chamber, 37th International Conference on Micro and Nano Engineering (MNE2011), Berlin, 2011.9.19-23

[57] Amara Apilux, Yoshiaki Ukita, Miyuki Chikae, Orawon Chailapakul, Yuzuru Takamura, Inkjet printing for fabrication of automated lab-on-paper on　nitrocellulose membrane, 37th International Conference on Micro and Nano Engineering (MNE2011), Berlin, 2011.9.19-23 Invited

[56] Hideki Kido, Masaki Ishizawa, Tsukasa Azeta, Yoshiaki Ukita, Yuichi Utsumi, “Direct Photo-Etching of Fluorocarbon Polymers Induced by High Energy Synchrotron Radistion”, 37th International Confedence on Micro and Nano Engineering (MNE2011), pp166, September 19-23 (2011), Berlin, Germany

[55] Masaki Ishizawa, Tsukasa Azeta, Hiroki Nose, Yoshiaki Ukita, Masahiro Takeo, Kyuya Nakagawa, Shinichi Yusa, Yuichi Utsumi, “Multi Stacked Centrifugal Microfluidics for Enzyme-linked Immunosorbent Assay”, 37th International Confedence on Micro and Nano Engineering (MNE2011), pp602-603, September 19-23 (2011), Berlin, Germany

[54] Yoshiaki Ukita, Tsukasa Azeta, Saki Kondo, Chiwa Kataoka, Shinichi Yusa, Masahiro Takeo, Yuichi Utsumi, “Environmental Analysis using Stacked Centrifugal Microfluidics” The 9th International Workshop on High Aspect Ratio Micro Structure Technology（HARMST2011）, pp121-122, June 12-18 (2011), Hsin Chu, Taiwan

[53] Yoshiaki Ukita, Laswood Mouez, Yuichi Tomizawa, Yuzuru Takamura, DNA trapping in stacked microchip using electric force and hydrodrag force field, 9th International workshop on high-aspect ratio microstructure technology (HARMST 2011), Taiwan, June 12-18, pp.91-91, 2011

[52] Mitsuhiro Yoshida, Yoshito Hirose, Yoshiaki Ukita, Masahiro Takeo, Kyuya Nakagawa, Shinichi Yusa, Kunihiko Mabuchi, Yuichi Utsumi, “Proposal of Stacked Electrode Layers for Multiplex Nerve Fibers”, The 9th International Workshop on High Aspect Ratio Micro Structure Technology (HARMST2011), pp78-79, June 12-18 (2011), Hsin Chu, Taiwan

[51] Tsukasa Azeta, Yoshiaki Ukita, Yuichi Utsumi, “Proposal of Three-dimensional Microfluidics Device For Immunoassay Using Centrifugal Force”, The 9th International Workshop on High Aspect Ratio Micro Structure Technology (HARMST2011), pp55-56, June 12-18 (2011), Hsin Chu, Taiwan

[50] Tsukasa Azeta, Yoshiaki Ukita, Masahiro Takeo, Kyuya. Nakagawa, Shinichi Yusa, Yuichi Utsumi, “Three-Dimensional Lab-on-a-CD with Enzyme-Linked Immunosorbent Assay ”, The 9th International Workshop on High Aspect Ratio Micro Structure Technology (HARMST2011), pp174-175, June 12-18 (2011), Hsin Chu, Taiwan

[49] Kiyotaka Sugiyama, Yoshiaki Ukita, Yuzuru Takamura, Development of on-chip micorvacuum system with gas-liquid phase transition, 55th International conference on electron, ion, and photonbeam technology and nanofabrication (EIPBN 2011), USA, May31-June3, 2011

[48] Yoshiaki Ukita, Chiwa Kataoka, Masahiro Takeo, Seiji Negoro, Yuzuru Takamura, Yuichi Utsumi, “Detection of polychlorinatedbiphenyl by using antibody-bound fluoroplastic capillary bundle structure”, The 2010 International Chemical Congress of Pacific Basin Societies (Pacifichem 2010 ), (Honolulu, USA), Symposium of Microfluidic and Nanofluidic Devices for Chemical and Biochemical Experimentation, 549, Dec. 17, 2010, USA

[47] Takao Fukuoka, Daisuke Fukuoka, Yoshiaki Ukita, Yuji Kang, Shinji Matsui, and Yuichi Utsumi, “Fabrication of gold nanoparticles assembled nanovalley for surface enhanced Raman scattering.” The 2010 International Chemical Congress of Pacific Basin Societies (Pacifichem 2010 ) (Honolulu, USA), Symposium of Frontiers of Surface-Enhanced Raman Scattering: Single-Nanoparticles and Single Cells, 681, Dec. 17, 2010

[46] Takao Fukuoka, Daisuke Fukuoka, Yoshiaki Ukita, Yuji Kang, Shinji Matsui, and Yuichi Utsumi, “Gold nanoparticles assembled nanovalley for microfluidic SERS Detection”, The 2010 International Chemical Congress of Pacific Basin Societies (Pacifichem 2010) (Honolulu, USA), Symposium of The Nanostructure-Enhanced Photochemical Reactions, 455, Dec. 16, 2010

[45] Yoshiaki Ukita, Lasowood Mouez, Yuichi Tomizawa, and Yuzuru Takamura, Demonstration of Three-Dimensional DNA Trapping by using Electric Force and Hydrodrag Force Field, 23rd International Microprocesses and Nanotechnology Conference (MNC 2010), Rihga Royal Hotel Kokura, Fukuoka, 2010.11.9-12

[44] Amara Apilux, Yoshiaki Ukita, Miyuki Chikae, Keiko Kawai, Orawon Chailapakul, and Yuzuru Takamura, Inkjet printing for fabrication of lab-on-paper on cellulose membrane, 23rd International Microprocesses and Nanotechnology Conference (MNC 2010), Rihga Royal Hotel Kokura, Fukuoka, 2010.11.9-12

[43] Mitsuhiro Yoshida, Yoshito Hirose, Yoshiaki Ukita, Kunihiko Mabuchi Yuichi Utsumi,“Proposal of stacked electrodes for multiplex neural interface”, 23rd International Microprocess and Nanotechnology Conference (MNC 2010), 12D-11-108, November 9-12, (2010), Kokura, Japan

[42] Tsukasa Azeta, Yoshiaki Ukita, Yoshito Hirose, Saki Kondo and Yuichi Utsumi, “Three-dimensional Microfluidics Device Using Centrifugal Force”, 23rd International Microprocess and Nanotechnology Conference (MNC 2010), 12D-11-107, November 9-12, (2010), Kokura, Japan

[41] Yoshiaki Ukita, Tsukasa Azeta, Saki Kondo, Masahiro Takeo, Shinichi Yusa, Yuzuru Takamura, Tsunemasa Saiki, and Yuichi Utsumi, “High-sensitive enzyme-linked immunosorbent assay in three-dimensional lab-on-a-CD”, Proceedings of 14th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2010), pp. 1475-1477, 2010

[40] Yoshiaki Ukita, Tsukasa Azeta, Saki Kondo, Chiwa Kataoka, Shinichi Yusa, Masahiro Takeo, Yuzuru Takamura, and Yuichi Utsumi, “High-sensitive detection of plychrolinated biphenyl on three-dimensional lab-on-a-CD”, Proceedings of 14th International Conference on Miniaturized Systems for Chemistry and Life Sciences (MicroTAS 2010) 2010, pp.345-347, 2010

[39] Tsukasa Azeta, Yoshiaki Ukita, Yoshito Hirose, Saki Kondo, Yuichi Utsumi, “Three-dimensional Micro Fludics Device Using Centrifugal Force”, The first Japan-China-Korea Joint Seminar on MEMS/NEMS 2010 For Green & Life Innovetion, OR8, August 30-31 (2010), Sapporo Convention Center, Hokkaido, Japan.

[38] Mitsuhiro Yoshida, Yoshito Hirose, Yoshiaki Ukita, Kunihiko Mabuchi, Yuichi Utsumi, “Proposal of stacked electrodes for multiplex neural interface”,　The first Japan-China-Korea Joint Seminar on MEMS/NEMS 2010 For Green & Life Innovetion, OR8, August 30-31 (2010), Sapporo Convention Center, Hokkaido, Japan

[37] Yoshiaki Ukita, Saki Kondo, Chiwa Kataoka, Masahiro Takeo, Seiji Negoro, and Yuichi Utsumi, Immunoassay using antibody-bound poly-tetrafluoroethylene capillary-bundle structure for environmental analysis, Micorprocess and nanotechnology conference (MNC 2009), November 16-19, pp712-713, 2009

[36] Munehiko Kato, Eric Blasius, Yoshiaki Ukita, Kunihiko Mabuchi, and Yuichi Utsumi, “Fabrication of electrodes for multiplex nerval interface”, International Microprocess and Nanotechnology Conference (MNC2009), pp708-709, November 16-19, (2009)

[35] Yoshiaki Ukita, Saki Kondo, Chiwa Kataoka, Masahiro Takeo, Seiji Negoro, and Yuichi Utsumi, Environmental analysis by using antibody-bound fluoroplastic 3D capillary bundle microstructures, 13th international conference on miniaturized systems for chemistry and life science (MicroTAS 2009) pp1931-1932, November 1-5, (2009), Jeju, Korea

[34] Munehiko Kato, Mitsuhiro Yoshida, Eric Blasius, Yoshiaki Ukita, Kunihiko Mabuchi, and Yuichi Utsumi, “Fabrication of stacked electrodes for multiplex nerval interface”, 19th Academic Symposium of MRS-Japan 2009, pp80, September7-9, (2009), Tokyo, Japan

[33] Saki Kondo, Yoshiaki Ukita, Tsukasa Azeta, and Yuichi Utsumi, “Fuluid Flow Behaviors of Three-Dimensional Micro Fluidics Device Using Centrifugal Force”, 19th Academic Symposium of MRS-Japan 2009, pp74, September 7-9, (2009), Tokyo, Japan

[32] Yoshiaki Ukita, Saki Kondo, Tsukasa Azeta, Chiwa Kataoka, Masahiro Takeo, Seiji Negoro, and Yuichi Utsumi, “Enzyme-Linked Immunosorbent Assay using Antibody Bound Fluoroplastic Microstructure”, 19th Academic Symposium of MRS-Japan 2009, pp80, September 7-9, (2009), Tokyo, Japan

[31] Yuichi Utsumi, Tsukasa Azeta, Saki Kondo, Yoshiaki Ukita, Masahiro Takeo, and Seiji Negoro “High Sensitive Detection of Endocrine Disrupter Using Enzyme Linked Immunosorbent Assay with Vertical Flow Operation”, 19th Academic Symposium of MRS-Japan 2009, pp79, September 7-9, (2009), Tokyo, Japan

[30] Yoshiaki Ukita, Saki Kondo, Shigeaki Yamamoto, Chiwa Kataoka, and Yuichi Utsumi, Immunoassay using poly-tetrafluoroethylene (PTFE) microstructure in organic solvent, 8th International workshop on high-aspect ratio microstructure technology (HARMST 2009), Canada, June 25-28, pp.143-144, 2009

[29] Yoshiaki Ukita, Shigeaki Yamamoto, and Yuichi Utsumi, Synchrotron radiation induced smoothing effect of poly-tetrafluoroethylene, 8th International workshop on high-aspect ratio microstructure technology (HARMST 2009), Canada, June 25-28, pp. 97-98, 2009

[28] Yoshiaki Ukita, and Yuichi Utsumi, Fluoroplastic mold for UV embossing fabricated by synchrotron radiation (SR) direct etching process, International workshop on high-aspect ratio microstructure technology (HARMST 2009), Canada, June 25-28, pp. 123-124, 2009

[27] Yuichi Utsumi, Shigeaki Yamamoto, and Yoshiaki Ukita, Direct bonding of PTFE sheets assisted by synchrotron radiation induced surface modification, International workshop on high-aspect ratio microstructure technology (HARMST 2009), Canada, June 25-28, pp. 151-152, 2009

[26] Saki Kondo, Yoshiaki Ukita, and Yuichi Utsumi, Vertical liquid transportation through capillary bundle structure using centrifugal force, International workshop on high-aspect ratio microstructure technology (HARMST 2009), Canada, June 25-28, pp. 207-208, 2009

[25] Munehiko Kato, Eric Blasius, Yoshiaki Ukita, Kunihiko Mabuchi, and Yuichi Utsumi, “Fabrication of stacked electrodes for multiplex nerval interface” International Coference on Electronics Packaging 2009 (ICEP2009), pp955-958, (2009), April 14-16, Kyoto, JAPAN

[24] Yoshiaki Ukita, Saki Kondo, and Yuichi Utsumi, Vertical microreactor stack with cross-linked capillary structure for high-sensitive ELISA, 34th International conference on micro and nano engineering (MNE 2008), 7C-2, Greece, September 15- 18, 2008

[23] Yoshiaki Ukita, Shigeaki Yamamoto, Mitsuyoshi Kishihara, Kozo Mochiji, and Yuichi Utsumi, Smoothing of poly-(tetrafluoroethylene) by high-energy x-ray induced photo-chemical reactions, 34th International conference on micro and nano engineering (MNE 2008), OL-P07, Greece, September 15- 18, 2008

[22] Kuniyo Fujiwara, Yoshiaki Ukita, Masahiro Takeo, Seiji Negoro, Tomohiko Kanie, Makoto Katayama, and Yuichi Utsumi, High-efficiency mixing by the use of cross-linked microcapillary fluid filter, Leading edge manufacturing 21st (LEM 21), JAPAN, Nov. 7-9, 2007

[21] Yoshiaki Ukita, Toshifumi Asano, Kuniyo Fujiwara, Katsuhiro Matsui, Masahiro Takeo, Siji Negoro, Tomohiko Kanie, Makoto Katayama, and Yuichi Utsumi, Vertical microreactor with fluid filters characterized by 3D-capillary-bundle for high-throughput immunoassay, 11th international conference on miniaturized systems for chemistry and life science (MicroTAS 2007), FRANCE, Oct. 7-11, pp.373-375, 2007

[20] Yoshiaki Ukita, Seiji Negoro, and Yuichi Utsumi, Application of vertical microreactor stack with polystylene microbeads to immunoassay, 14th international conference on solid-state sensors, actuators, and microsystems (TRANSDUCERS 2007), 2EF17.P, FRANCE, June 10-14, pp. 859-862, 2007

[19] Yoshiaki Ukita, Kazuhiro Kanda, Shinji Matsui, Mitsuyoshi Kishihara, and Yuichi Utsumi, Poly-tetrafluoroethylene processing characteristics using high-energy x-ray, International workshop on high-aspect ratio microstructure technology (HARMST 2007), FRANCE, June 7-9, pp.291-292, 2007

[18] Yoshiaki Ukita, Toshifumi Asano, Kuniyo Fujiwara, Katsuhiro Matsui, Masahiro Takeo, Seiji Negoro, Makoto Katayama, Tomohiko Kanie, and Yuichi Utsumi, Enzyme-linked immuno sorvent assay using vertical microreactor stack with microbeads, International workshop on high-aspect ratio microstructure technology (HARMST 2007), FRANCE, June 7-9, pp.153-154, 2007

[17] Yuichi Utsumi, Toshifumi Asano, Yoshiaki Ukita, Katsuhiro Matsui, Masahiro Takeo, and Seiji Negoro, High-sensitive immunoassay using antibody immobilized micro capillaries, International workshop on high-aspect ratio microstructure technology (HARMST 2007), FRANCE, June 7-9, pp.205-206, 2007

[16] Harutaka Mekaru, T. Takano, Yoshiaki Ukita, Yuichi Utsumi, and M. Takahashi, A Si stencil mask for x-ray lithography fabricated by MEMS technology, International workshop on high-aspect ratio microstructure technology (HARMST 2007), FRANCE, June 7-9, pp.273-274, 2007

[15] Kuniyo Fujiwara, Yoshiaki Ukita, Masahiro Takeo, Seiji Negoro, Tomohiko Kanie, Makoto Katayama, and Yuichi Utsumi, High-efficiency mixing by the use of cross-linked micro capillary fluid filter, International workshop on high-aspect ratio microstructure technology (HARMST 2007), FRANCE, June 7-9, pp.297-298, 2007

[14] Mitsuyoshi Kishihara, Yoshiaki Ukita, Yuichi Utsumi, and Isao Ohta, Fabrication of a PTFE-filled waveguide for millimeter-wave components using SR direct etching process, International workshop on high-aspect ratio microstructure technology (HARMST 2007), FRANCE, June 7-9, pp.301-302, 2007

[13] Daisuke Fukuoka, Katsuhide Okada, Tsunemasa Saiki, Yoshiaki Ukita, and Yuichi Utsumi, Proposal of continuous flow pumping by the use of surface acoustic wave devices, International workshop on high-aspect ratio microstructure technology (HARMST 2007), FRANCE, June 7-9, pp.147-148, 2007

[12] Yuichi Utsumi, Yoshiaki Ukita, and Toshifumi Asano, High-sensitive immunoassay using antibody immobilized micro capillaries fabricated by deep X-ray lithography, 51st International conference on electron, ion, and photonbeam technology and nanofabrication (EIPBN 2007), USA, May29-Jun1, 2007

[11] Yoshiaki Ukita, Kazuhiro Kanda, Shinji Matsui, Mitsuyoshi Kishihara and Yuichi Utsumi, Fabrication of poly-tetrafluoroethylene microparts by high-energy x-ray induced etching, Microprocess and nanotechnology conference (MNC 2006), 26C-7-98, JAPAN, Oct 25-27, pp.306-307, 2006

[10] Yuichi Utsumi, Toshifumi Asano, Yoshiaki Ukita, Katsuhito Matsui, Masahiro Takeo and Seiji Negoro, Enzyme-linked immunosorbent assay using microreactor stack for detection of biomelecules, Microprocess and nanotechnology conference (MNC 2006), 26C-7-97, JAPAN, Oct 25-27, pp.304-305, 2006

[9] Yoshiaki Ukita, Kazuhiro Kanda, Shinji Matsui and Yuichi Utsumi, Fabrication of PTFE microstructure using synchrotron radiation direct etching for microfluidics application, 50th International conference on electron, ion, and photonbeam technology and nanofabrication (EIPBN 2006), 10B-2, USA, May 30 - June 2, pp.509-510, 2006

[8] Yoshiaki Ukita, Kazuhiro Kanda, Shinji Matsui and Yuichi Utsumi, Fabrication of micro mold by synchrotron radiation direct etching of CYTOP for UV polymerization embossing, 50th International conference on electron, ion, and photonbeam technology and nanofabrication (EIPBN 2006), USA, May 30 - June 2, pp.146-147, 2006

[7] Yoshiaki Ukita, Kuniyo Fujiwara, Toshifumi Asano, Takuya Yokoyama, Tsunemasa Saiki and Yuichi Utsumi, Novel characteristics of multifunctional fluid filter fabricated by high-energy SR lithography, Micorprocess and nanotechnology confereance (MNC 2005), 26B-3-4, JAPAN, Oct. 26-28, pp.46-47, 2005

[6] Yuichi Utsumi, Takefumi Kishimoto, Koichi Okuda, Tadashi Hattori, Yoshiaki Ukita, and Toshifumi Asano, Leading edge manufacturing 21st (LEM 21), JAPAN, Oct. 19-22, 2005

[5] Yoshiaki Ukita, Toshifumi Asano, Yuichi Utsumi, Fluid filter fabricated by deep x-ray lithography for microfluidics, International workshop on high-aspect ratio microstructure technology (HARMST 2005), PL02, KOREA, June 10-13, pp.88-89, 2005

[4] Toshifumi Asano, Katsuhiro Matsui, Yoshiaki Ukita, Masahiro Takeo, Seiji Negoro and Yuichi Utsumi, Proposal of a new micro reactor for vertical chemical operation, International workshop on high-aspect ratio microstructure technology (HARMST 2005), PD02, KOREA, June 10-13, pp.14-15, 2005

[3] Yuichi Utsumi, Yusuke Hitaka and Yoshiaki Ukita, Planar microreactor for biochemical application made from silicon and polymer films, International workshop on high-aspect ratio microstructure technology (HARMST 2005), PO11, KOREA, June 10-13, pp.194-195, 2005

[2] Yuichi Utsumi, Toshifumi Asano, Yoshiaki Ukita, Katsuhiro Matsui, Masahiro Takeo and Seiji Negoro, Proposal of a new micro reactor for vertical chemical operation, 49th International conference on electron, ion, and photonbeam technology and nanofabrication (EIPBN 2005), P9.1, USA, May 31-June 3, pp.123-124, 2005

[1] Toshifumi Asano, Yoshiaki Ukita, Katsuhiro Matsui, Masahiro Takeo, Seiji Negoro and Yuichi Utsumi, Study of vertical fluid flow control for 3D bio-micro reactor, MB-iTR2005, P6-12, JAPAN, March 3-7, 2005