T. Shimada

Publication List Details

Period

1976 - 2008

Number

160

Co-Authors

Ab initio density functional theory study of strain effects on ferroelectricity at PbTiO3 surfaces (2006)

Umeno, Y., Shimada, T., Kitamura, T., Elsässer, C.

The PbTiO3 surface structure with ferroelectric (FE) polarization parallel to the surface and its response to tangential strain have been studied using ab initio density functional theory...

Synthesis of carbon nanotube peapods directly on Si substrates (2005)

Ohno, Y., Kurokawa, Y., Kishimoto, S., Mizutani, T., Shimada, T., Ishida, M., ...

Carbon nanotubes encapsulating fullerenes, peapods, have been synthesized directly on Si substrates. High-density and high-quality singe-walled carbon nanotubes (SWNTs) were grown on a SiO_2/Si...

Kinetics and thermodynamics of the degree of order of the B cations in double-perovskite Sr2FeMoO6 (2003)

Shimada, T., Nakamura, J., Motohashi, T., Yamauchi, H., Karppinen, M.

Here we show that the B-site cation (Fe/Mo) ordering in the double-perovskite magnetoresistor, Sr2FeMoO6, is controlled by either kinetics or thermal equilibrium depending on the temperature range....

Iron and molybdenum valences in double-perovskite (Sr,Nd)2FeMoO6: electron-doping effect (2003)

Linden, J., Shimada, T., Motohashi, T., Yamauchi, H., Karppinen, M.

Double perovskite, (Sr1-xNdx)2FeMoO6, was doped with electrons through partial substitution of divalent Sr by trivalent Nd (0 < x < 0.2). The Fe valence and the degree of B-site order were probed by...

Molecular modelling of human CYP1B1 substrate interactions and investigation of allelic variant effects on metabolism (2003)

Lewis, DFV, Gillam, EMJ, Everett, SA, Shimada, T

Molecular modelling of human CYP1B1 based on homology with the mammalian P450, CYP2C5, of known three-dimensional structure is reported. The enzyme model has been used to investigate the likely mode...

Cytochrome P4501B1: a target for inhibition in anticarcinogenesis strategies (2003)

Guengerich, FP, Chun, YJ, Kim, D, Gillam, EMJ, Shimada, T

Cytochrome P450 (P450) 1B1 is expressed in a number of human tissues in which cancers occur (e.g. prostate, ovary, uterus, mammary gland). P450 1B1 activates many environmental mutagens and also...

Decreased coumarin 7-hydroxylase activities and CYP2A6 expression levels in humans caused by genetic polymorphism in CYP2A6 promoter region (CYP2A6*9) (2003)

Kiyotani, K., Yamazaki, H., Fujieda, M., Iwano, S., Matsumura, K., Satarug, S., ...

One of seven poor metabolizers of coumarin found in Thai subjects was previously genotyped as heterozygote for the CYP2A6*4 (whole deletion) and CYP2A6*9. Thus, we aimed to investigate the...

Ambipolar field-effect transistor behavior of Gd@C_{82} metallofullerene peapods (2002)

Shimada, T., Okazaki, T., Taniguchi, R., Sugai, T., Shinohara, H., Suenaga, K., ...

Transport properties of C_60 fullerene peapods and Gd@C_82 metallofullerene peapods are investigated by using the field effect in a gated structure. The results show that C_60 peapods exhibit...

Use of heterologously-expressed cytochrome P450 and glutathione transferase enzymes in toxicity assays (2002)

Guengerich, FP, Wheeler, JB, Chun, YJ, Kim, D, Shimada, T, Aryal, P, ...

Our groups have had a long-term interest in utilizing bacterial systems in the characterization of bioactivation and detoxication reactions catalyzed by cytochrome P450 (P450) and glutathione...

Metabolic activation of polycyclic aromatic hydrocarbons and other procarcinogens by cytochromes P450 1A1 and P4501B1 allelic variants and other human cytochromes P450 in Salmonella typhimurium NM2009 (2001)

Shimada, T, Oda, Y, Gillam, EMJ, Guengerich, FP, Inoue, K

A variety of polycyclic aromatic hydrocarbons and their dihydrodiol derivatives, arylamines, heterocyclic amines, and nitroarenes, were incubated with cDNA-based recombinant (Escherichia coli or...

Metabolic activation of heterocyclic amines and other procarcinogens in Salmonella typhimurium umu tester strains expressing human cytochrome P4501A1, 1A2, 1B1, 2C9, 2D6, 2E1, and 3A4 and human NADPH-P450 reductase and bacterial O-acetyltransferase (2001)

Oda, Y, Aryal, P, Terashita, T, Gillam, EMJ, Guengerich, FP, Shimada, T

We investigated roles of different forms of cytochrome P450 (P450 or CYP) in the metabolic activation of heterocyclic amines (HCAs) and other procarcinogens to genotoxic metabolite(s) in the newly...

Specificity of 17 beta-oestradiol and benzo[a] pyrene oxidation by polymorphic human cytochrome P4501B1 variants substituted at residues 48, 119 and 432 (2001)

Shimada, T, Watanabe, J, Inoue, K, Guengerich, FP, Gillam, EMJ

1. Eight human cytochrome P4501B1 (CYP1B1) allelic variants, namely Arg(48)Ala(119)Leu(432), Arg(48)Ala(119)Val(432), Gly(48)Ala(119)Leu(432), Gly(48)Ala(119)Val(432), Arg(48)Ser(119)Leu(432),...

A Resolution of the Puzzle of the Posi-nega Switch Mechanism in the Globally Coupled Map Lattice (2000)

Shimada, T., Tsukada, S.

We revisit the globally coupled map lattice (GCML). We use a family of universal 'curves of balance' between two conflicting tendencies in the model- the randomness in each map and the coherence due...

Rapidity Gaps in e+e- Annihilation and Parton Hadron Duality (1997)

Ochs, W., Shimada, T.

We calculate the probability for rapidity gaps in the parton cascade for different approximations within the perturbative QCD and compare the results with recent measurements. The aim is to find out...

The intercalated disc of monkey myocardial cells and Purkinje fibers as revealed by scanning electron microscopy (1996)

Zhang, L, Ina, K, Kitamura, H, Campbell, GR, Shimada, T

The intercalated discs of working myocardium and Purkinje fibers of the monkey heart were examined by scanning and transmission electron microscopy. The NaOH/ultrasonication technique resulted in the...

Characterization of Aeromonas trota strains that cross-react with Vibrio cholerae O139 Bengal (1995)

Albert, M.John, Ansaruzzaman, M., Shimada, T., Rahman, A., Bhuiyan, N.A., Nahar, S., ...

It has previously been shown that Vibrio cholerae O139 Bengal shares antigens with V. cholerae serogroups O22 and O155. We detected six surface water isolates of Aeromonas trota that agglutinated in...

Characterization of Vibrio cgolerae non-O1 serogroups obtained from an outbreak of diarrhea in Lima, Peru (1995)

Dalsgaard, A., Albert, M. John, Taylor, D.N., Shimada, T., Meza, R., Serichantalergs, O., ...

In February 1994, an outbreak of diarrhea caused by non-O1 Vibrio cholerae occurred among volunteers in a vaccine trial study area in Lima, Peru. Clinically, 95% of the patients presented with liquid...

String-Based Methods in Perturbative Gravity (1993)

Bern, Z., Dunbar, D. C., Shimada, T.

String theory implies a relatively modest growth in computational complexity for perturbative gravity calculations as compared to gauge theory calculations, contrary to field theory expectations. An...

CHEMICAL SITES OF RARE GAS ATOMS IN AMORPHOUS SILICON (1981)

Katayama, Y., Shimada, T., Usami, K., Maruyama, E.

The chemical sites of the neon atoms imbedded in hydrogenated amorphous silicon a-Si : H that is produced using Ne as a sputtering agent are examined using X-ray photoelectron spectroscopy (XPS)....

CHEMICAL SITES OF RARE GAS ATOMS IN AMORPHOUS SILICON (1981)

Katayama, Y., Shimada, T., Usami, K., Maruyama, E.

The chemical sites of the neon atoms imbedded in hydrogenated amorphous silicon a-Si : H that is produced using Ne as a sputtering agent are examined using X-ray photoelectron spectroscopy (XPS)....

CHEMICAL SITES OF RARE GAS ATOMS IN AMORPHOUS SILICON (1981)

Katayama, Y., Shimada, T., Usami, K., Maruyama, E.

The chemical sites of the neon atoms imbedded in hydrogenated amorphous silicon a-Si : H that is produced using Ne as a sputtering agent are examined using X-ray photoelectron spectroscopy (XPS)....

Changes in drug sensitivity of human immunodeficiency virus type 1 during therapy with azidothymidine, dideoxycytidine, and dideoxyinosine: an in vitro comparative study.

Shirasaka, T, Yarchoan, R, O'Brien, M C, Husson, R N, Anderson, B D, Kojima, E, ...

Human immunodeficiency virus type 1 (HIV-1) strains were isolated from nine patients before and after prolonged therapy with either an alternating regimen of 3'-azido-3'-deoxythymidine (AZT) and...

Primary structure and expression of a gamete lytic enzyme in Chlamydomonas reinhardtii: similarity of functional domains to matrix metalloproteases.

Kinoshita, T, Fukuzawa, H, Shimada, T, Saito, T, Matsuda, Y

A gamete lytic enzyme (GLE) of Chlamydomonas reinhardtii is a zinc metalloprotease and mediates digestion of the cell walls of the two mating-type gametes during mating as a necessary prelude to cell...

Self-assembled B19 parvovirus capsids, produced in a baculovirus system, are antigenically and immunogenically similar to native virions.

Kajigaya, S, Fujii, H, Field, A, Anderson, S, Rosenfeld, S, Anderson, L J, ...

B19 parvovirus is pathogenic in humans, causing fifth disease, transient aplastic crisis, some cases of hydrops fetalis, and acquired pure red cell aplasia. Efforts to develop serologic assays and...

Clinical and Environmental Isolates of Vibrio cholerae Serogroup O141 Carry the CTX Phage and the Genes Encoding the Toxin-Coregulated Pili

Dalsgaard, A., Serichantalergs, O., Forslund, A., Lin, W., Mekalanos, J., Mintz, E., ...

We report sporadic cases of a severe gastroenteritis associated with Vibrio cholerae serogroup O141. Like O1 and O139 serogroup strains of V. cholerae isolated from cholera cases, the O141 clinical...

Molecular Analysis of Non-O1, Non-O139 Vibrio cholerae Associated with an Unusual Upsurge in the Incidence of Cholera-Like Disease in Calcutta, India

Sharma, Charu, Thungapathra, M., Ghosh, A., Mukhopadhyay, Asish K., Basu, Arnab, Mitra, Rupak, ...

There was an inexplicable upsurge in the incidence of non-O1, non-O139 Vibrio cholerae among hospitalized patients admitted to the Infectious Diseases Hospital, Calcutta, India, between February and...

Transport of storage proteins to protein storage vacuoles is mediated by large precursor-accumulating vesicles

Hara-Nishimura, I, Shimada, T, Hatano, K, Takeuchi, Y, Nishimura, M

Novel vesicles that accumulate large amounts of proprotein precursors of storage proteins were purified from maturing pumpkin seeds. These vesicles were designated precursor-accumulating (PAC)...

Does Decrease in Ribulose-1,5-Bisphosphate Carboxylase by Antisense RbcS Lead to a Higher N-Use Efficiency of Photosynthesis under Conditions of Saturating CO2 and Light in Rice Plants?

Makino, A., Shimada, T., Takumi, S., Kaneko, K., Matsuoka, M., Shimamoto, K., ...

Rice (Oryza sativa L.) plants with decreased ribulose-1,5-bisphosphate carboxylase (Rubisco) were obtained by transformation with the rice rbcS antisense gene under the control of the rice rbcS...

Phenotypic and genotypic biotyping of environmental strains of Vibrio cholerae non-O1 isolated in Italy.

Filetici, E, Bonadonna, L, Ciccozzi, M, Anastasio, M P, Fantasia, M, Shimada, T

The purpose of this study was to characterize strains of Vibrio cholerae non-O1 isolated in Italy from different sources by biochemical and serological assays, antibiotic susceptibility testing, and...

Toxicity and toxins of natural blooms and isolated strains of Microcystis spp. (Cyanobacteria) and improved procedure for purification of cultures.

Shirai, M, Ohtake, A, Sano, T, Matsumoto, S, Sakamoto, T, Sato, A, ...

All samples of cyanobacterial blooms collected from 1986 to 1989 from Lake Kasumigaura, Ibaraki Prefecture, Japan, were hepatotoxic. The 50% lethal doses (LD50s) of the blooms to mice ranged from 76...