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Items: 20


First demonstration of multi-color 3-D in vivo imaging using ultra-compact Compton camera.

Kishimoto A, Kataoka J, Taya T, Tagawa L, Mochizuki S, Ohsuka S, Nagao Y, Kurita K, Yamaguchi M, Kawachi N, Matsunaga K, Ikeda H, Shimosegawa E, Hatazawa J.

Sci Rep. 2017 May 18;7(1):2110. doi: 10.1038/s41598-017-02377-w.


Laboratory-size three-dimensional x-ray microscope with Wolter type I mirror optics and an electron-impact water window x-ray source.

Ohsuka S, Ohba A, Onoda S, Nakamoto K, Nakano T, Miyoshi M, Soda K, Hamakubo T.

Rev Sci Instrum. 2014 Sep;85(9):093701. doi: 10.1063/1.4894468.


A multichannel time-of-flight system for observation of energetic ions of multispecies generated from relativistic laser plasma.

Matsukado K, Fujimoto M, Takahashi H, Kawada Y, Ohsuka S, Aoshima S.

Rev Sci Instrum. 2010 Feb;81(2):023304. doi: 10.1063/1.3309781.


Repetitive production of positron emitters using deuterons accelerated by multiterawatt laser pulses.

Fujimoto M, Matsukado K, Takahashi H, Kawada Y, Ohsuka S, Aoshima S.

Rev Sci Instrum. 2009 Nov;80(11):113301. doi: 10.1063/1.3256113.


Development of a time-resolved fluorometric method for observing hybridization in living cells using fluorescence resonance energy transfer.

Tsuji A, Sato Y, Hirano M, Suga T, Koshimoto H, Taguchi T, Ohsuka S.

Biophys J. 2001 Jul;81(1):501-15.


Antibacterial activities of new synthetic divalent cation chelators.

Ashoori M, Ohta M, Ohsuka S, Shibayama K, Horii T, Ueda M, Kurosaki H.

Microbiol Immunol. 1999;43(4):311-6.


Four critical aspartic acid residues potentially involved in the catalytic mechanism of Escherichia coli K-12 WaaR.

Shibayama K, Ohsuka S, Sato K, Yokoyama K, Horii T, Ohta M.

FEMS Microbiol Lett. 1999 May 1;174(1):105-9.


Conserved structural regions involved in the catalytic mechanism of Escherichia coli K-12 WaaO (RfaI).

Shibayama K, Ohsuka S, Tanaka T, Arakawa Y, Ohta M.

J Bacteriol. 1998 Oct;180(20):5313-8.


Nosocomial spread of cephem-resistant Escherichia coli strains carrying multiple Toho-1-like beta-lactamase genes.

Yagi T, Kurokawa H, Senda K, Ichiyama S, Ito H, Ohsuka S, Shibayama K, Shimokata K, Kato N, Ohta M, Arakawa Y.

Antimicrob Agents Chemother. 1997 Dec;41(12):2606-11.


RobA-induced multiple antibiotic resistance largely depends on the activation of the AcrAB efflux.

Tanaka T, Horii T, Shibayama K, Sato K, Ohsuka S, Arakawa Y, Yamaki K, Takagi K, Ohta M.

Microbiol Immunol. 1997;41(9):697-702.


PCR detection of metallo-beta-lactamase gene (blaIMP) in gram-negative rods resistant to broad-spectrum beta-lactams.

Senda K, Arakawa Y, Ichiyama S, Nakashima K, Ito H, Ohsuka S, Shimokata K, Kato N, Ohta M.

J Clin Microbiol. 1996 Dec;34(12):2909-13.


Molecular aspects of high-level resistance to sulbactam-cefoperazone in Klebsiella oxytoca clinical isolates.

Kimura K, Arakawa Y, Ohsuka S, Ito H, Suzuki K, Kurokawa H, Kato N, Ohta M.

Antimicrob Agents Chemother. 1996 Sep;40(9):1988-94.


Effect of pH on activities of novel beta-lactamases and beta-lactamase inhibitors against these beta-lactamases.

Ohsuka S, Arakawa Y, Horii T, Ito H, Ohta M.

Antimicrob Agents Chemother. 1995 Aug;39(8):1856-8.


A novel integron-like element carrying the metallo-beta-lactamase gene blaIMP.

Arakawa Y, Murakami M, Suzuki K, Ito H, Wacharotayankun R, Ohsuka S, Kato N, Ohta M.

Antimicrob Agents Chemother. 1995 Jul;39(7):1612-5.


Plasmid-mediated dissemination of the metallo-beta-lactamase gene blaIMP among clinically isolated strains of Serratia marcescens.

Ito H, Arakawa Y, Ohsuka S, Wacharotayankun R, Kato N, Ohta M.

Antimicrob Agents Chemother. 1995 Apr;39(4):824-9.


Microbiological evaluation of a newly designed dental air-turbine handpiece for anti-cross contaminations.

Ohsuka S, Ohta M, Masuda K, Kaneda T, Ueda M.

Int J Prosthodont. 1994 May-Jun;7(3):201-8.


Bactericidal action of tachyplesin I against oral streptococci.

Masuda K, Ohta M, Ito M, Ohsuka S, Kaneda T, Kato N.

Oral Microbiol Immunol. 1994 Apr;9(2):77-80.


Bacteriological evaluation of a new air turbine handpiece for preventing cross-contamination in dental procedures.

Masuda K, Ohta M, Ohsuka S, Matsuyama M, Ashoori M, Usami T, Ito M, Ueda M, Kaneda T.

Nagoya J Med Sci. 1994 Mar;57(1-4):69-76.


Lidocaine hydrochloride and acetylsalicylate kill bacteria by disrupting the bacterial membrane potential in different ways.

Ohsuka S, Ohta M, Masuda K, Arakawa Y, Kaneda T, Kato N.

Microbiol Immunol. 1994;38(6):429-34.


Quantitative fluorographic detection of 3H and 14C on two-dimensional thin-layer chromatographic sheets by an ultra-high-sensitivity TV camera system.

Miwa M, Matsumoto M, Tezuka M, Okada S, Ohsuka S, Fujiwake H.

Anal Biochem. 1986 Feb 1;152(2):391-5.


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