Tetsuhiro Sakamoto, Yasuhito Tanaka, Shingo Imanishi, Motohiro Furuki, Nobuyuki Arakawa
Domain Wall Displacement Detection (DWDD) medium with no annealing method, which we call "anneal-less " DWDD medium, has been improved for practical use. The key technologies of our...
Machine-Readable Dictionary Headwords (2007)
This paper shows analysis and comparison of results and discusses how we collect, sort and allocate information to the dictionary headwords. 1 Introduction
Generalized monotonicity and strategy−proofness for (2007)
Recently there are several works which analyzed the strategy−proofness of non−resolute social choice rules such as Duggan and Schwartz (2000) and Ching and Zhou (2001). In these analyses it was...
Hattori, Koji, Uematsu, Kota, Tanikake, Yohei, Habata, Takashi, Tanaka, Yasuhito, Yajima, Hiroshi, ...
Abstract We investigated the use of a commercial spectrocolorimeter and the application of two color models (L* a* b* colorimetric system and spectral reflectance distribution) to describe and...
Shinji, Toshiyuki, Kyaw, Yi Yi, Gokan, Katsunori, Tanaka, Yasuhito, Ochi, Koji, Kusano, Nobuchika, ...
The prevalence of hepatitis C virus (HCV) genotypes in Myanmar in comparison with the rest of Southeast Asia is not well known. Serum samples were obtained from 201 HCV antibody-positive volunteer...
Yuen, Man-Fung, Tanaka, Yasuhito, Mizokami, Masashi, Yuen, John Chi-Hang, Wong, Danny Ka-Ho, Yuan, He-Jun, ...
The role of hepatitis B virus (HBV) genotypes, core promoter (CP) and precore mutants on hepatocellular carcinoma (HCC) is still controversial. We aimed to determine their role on the development and...
Yuen, Man-Fung, Tanaka, Yasuhito, Mizokami, Masashi, Yuen, John Chi-Hang, Wong, Danny Ka-Ho, Yuan, He-Jun, ...
The role of hepatitis B virus (HBV) genotypes, core promoter (CP) and precore mutants on hepatocellular carcinoma (HCC) is still controversial. We aimed to determine their role on the development and...
TANAKA, Yasuhito, ANRAKU, Yasuhiro, FUTAI, Masamitsu
D-Lactate dehydrogenase was obtained in an aggregated form consisting of 2 to 3 molecules of the monomer enzyme after removal of most Triton X-100 from the preparation as described previously (1)....
ANRAKU, Yasuhiro, KIN, Emi, TANAKA, Yasuhito
The effects of various energy poisons on oxidation of respiratory substrate, synthesis of cellular ATP, and energy transformation reaction in intact Escherichia coli cells were studied...
Changes in mitochondrial activity during enlargement of mung bean root cells (1973)
Tanaka, Yasuhito, Asahi, Tadashi
A mitochondrial fraction was separately prepared from two different regions of mung bean roots; from root-tips which contained mainly immature cells and from tissue, other than the root-tips, which...
Development of a TT Virus DNA Quantification System Using Real-Time Detection PCR
Kato, Takanobu, Mizokami, Masashi, Mukaide, Motokazu, Orito, Etsuro, Ohno, Tomoyoshi, Nakano, Tatsunori, ...
Although TT virus (TTV) was isolated from a cryptogenic posttransfusion hepatitis patient, its pathogenic role remains unclear. It has been reported that the majority of the healthy population is...
Tanaka, Yasuhito, Hanada, Kousuke, Mizokami, Masashi, Yeo, Anthony E. T., Shih, J. Wai-Kuo, Gojobori, Takashi, ...
The prevalence of hepatitis C virus (HCV)-related hepatocellular carcinoma (HCC) is considerably lower in the U.S. than in Japan. To elucidate this difference, we determined the time origin of the...
Hasegawa, Izumi, Tanaka, Yasuhito, Kramvis, Anna, Kato, Takanobu, Sugauchi, Fuminaka, Acharya, Subrat K., ...
The eight genotypes of hepatitis B virus (HBV) have different geographical distributions, virological characteristics, and clinical manifestations. A unique subtype of HBV genotype A (HBV/A) was...
Yuen, Man-Fung, Fung, Scott K., Tanaka, Yasuhito, Kato, Takanobu, Mizokami, Masashi, Yuen, John Chi-Hang, ...
The aims of this study were to compare chronic hepatitis B (CHB) patients with genotypes B and C for the probability of HBeAg seroconversion, hepatitis activity, and viral replication before and...
Fujiwara, Kei, Tanaka, Yasuhito, Paulon, Emma, Orito, Etsuro, Sugiyama, Masaya, Ito, Kiyoaki, ...
The genetic diversity of hepatitis B virus (HBV) strains has evolved through mutations such as point mutations, deletions or insertions, and recombination. We identified and characterized a novel...
Kato, Takanobu, Date, Tomoko, Miyamoto, Michiko, Sugiyama, Masaya, Tanaka, Yasuhito, Orito, Etsuro, ...
Although combination therapy with interferon and ribavirin has improved the treatment for chronic hepatitis C virus (HCV) infection, the detailed anti-HCV effect of ribavirin in clinical...
Development of a TT Virus DNA Quantification System Using Real-Time Detection PCR
Kato, Takanobu, Mizokami, Masashi, Mukaide, Motokazu, Orito, Etsuro, Ohno, Tomoyoshi, Nakano, Tatsunori, ...
Although TT virus (TTV) was isolated from a cryptogenic posttransfusion hepatitis patient, its pathogenic role remains unclear. It has been reported that the majority of the healthy population is...
Tanaka, Yasuhito, Hanada, Kousuke, Mizokami, Masashi, Yeo, Anthony E. T., Shih, J. Wai-Kuo, Gojobori, Takashi, ...
The prevalence of hepatitis C virus (HCV)-related hepatocellular carcinoma (HCC) is considerably lower in the U.S. than in Japan. To elucidate this difference, we determined the time origin of the...
Hasegawa, Izumi, Tanaka, Yasuhito, Kramvis, Anna, Kato, Takanobu, Sugauchi, Fuminaka, Acharya, Subrat K., ...
The eight genotypes of hepatitis B virus (HBV) have different geographical distributions, virological characteristics, and clinical manifestations. A unique subtype of HBV genotype A (HBV/A) was...
Yuen, Man-Fung, Fung, Scott K., Tanaka, Yasuhito, Kato, Takanobu, Mizokami, Masashi, Yuen, John Chi-Hang, ...
The aims of this study were to compare chronic hepatitis B (CHB) patients with genotypes B and C for the probability of HBeAg seroconversion, hepatitis activity, and viral replication before and...
Fujiwara, Kei, Tanaka, Yasuhito, Paulon, Emma, Orito, Etsuro, Sugiyama, Masaya, Ito, Kiyoaki, ...
The genetic diversity of hepatitis B virus (HBV) strains has evolved through mutations such as point mutations, deletions or insertions, and recombination. We identified and characterized a novel...
Kato, Takanobu, Date, Tomoko, Miyamoto, Michiko, Sugiyama, Masaya, Tanaka, Yasuhito, Orito, Etsuro, ...
Although combination therapy with interferon and ribavirin has improved the treatment for chronic hepatitis C virus (HCV) infection, the detailed anti-HCV effect of ribavirin in clinical...
Molecular Evolution of Hepatitis B Virus over 25 Years
Osiowy, Carla, Giles, Elizabeth, Tanaka, Yasuhito, Mizokami, Masashi, Minuk, Gerald Y.
Determining the longitudinal molecular evolution of hepatitis B virus (HBV) is difficult due to HBV's genomic complexity and the need to study paired samples collected over long periods of time. In...
The incentive for export subsidies under imperfect competition
By taking into account factor market interactions, the theory of strategic trade policies can consistently explain the fact that less efficient countries offer greater export subsidies to the most...
Negotiated tariffs in free entry oligopoly under integrated markets
Using the Nash bargaining approach, this paper analyzes the negotiation of tariffs between two countries in free-entry oligopolies under integrated markets. Employing a symmetric model with linear...
Clinical and Virological Characteristics of Hepatitis B Virus Subgenotypes Ba, C1, and C2 in China▿
Wang, Zhanhui, Tanaka, Yasuhito, Huang, Yuehua, Kurbanov, Fuat, Chen, Jinjun, Zeng, Guobing, ...
Hepatitis B virus (HBV) subgenotypes Ba, C1 (Cs), and C2 (Ce) are the most prevalent HBV variants in China. To investigate the virological characteristics of these subgenotypes and their clinical...
Shinkai, Noboru, Tanaka, Yasuhito, Ito, Kiyoaki, Mukaide, Motokazu, Hasegawa, Izumi, Asahina, Yasuhiro, ...
Hepatitis B virus (HBV) genotypes/subgenotypes and their related mutations in the HBV genome have been reported to be associated with hepatocellular carcinoma (HCC). To determine the HCC-associated...
Hattori, Koji, Uematsu, Kota, Tanikake, Yohei, Habata, Takashi, Tanaka, Yasuhito, Yajima, Hiroshi, ...
We investigated the use of a commercial spectrocolorimeter and the application of two color models (L* a* b* colorimetric system and spectral reflectance distribution) to describe and quantify...
Yasuhira, Kengo, Tanaka, Yasuhito, Shibata, Hiroshi, Kawashima, Yasuyuki, Ohara, Akira, Kato, Dai-ichiro, ...
Alkalophilic, nylon oligomer-degrading strains, Agromyces sp. and Kocuria sp., were isolated from the wastewater of a nylon-6 factory and from activated sludge from a sewage disposal plant. The...
Hepatitis B Virus Core-Related Antigens as Markers for Monitoring Chronic Hepatitis B Infection▿
Wong, Danny Ka-Ho, Tanaka, Yasuhito, Lai, Ching-Lung, Mizokami, Masashi, Fung, James, Yuen, Man-Fung
A sensitive chemiluminescence enzyme immunoassay has been developed for hepatitis B virus (HBV) core-related antigen (HBcrAg) detection. We aimed to investigate the usefulness of HBcrAg measurement...
Generalized monotonicity and strategy-proofness for non-resolute social choice correspondences
Recently there are several works which analyzed the strategy-proofness of non-resolute social choice rules such as Duggan and Schwartz (2000) and Ching and Zhou (2001). In these analyses it was...
A necessary and sufficient condition for Wilson's impossibility theorem with strict non-imposition
Wilson's impossibility theorem (Wilson(1972)) about Arrovian social welfare functions (Arrow(1963)) states that there exists a dictator or an inverse-dictator for any non-null social welfare function...
Generalized monotonicity and strategy-proofness: A note
In this note we define generalized monotonicity which is a generalized version of monotonicity due to Muller and Satterthwaite (1979) for a social choice function under individual preferences which...
We consider the relation between strategy-proofness of resolute (single-valued) social choice functions and its property which we call Non-negative association property (NNAP) when individual...
On the Consistent Conjectures Equilibrium of Export Subsidy Game.
This paper explores an export subsidy game in an international duopoly in which governments of countries as well as firms hold conjectures about the response of other governments. In the framework...
Some aspects of social choice theory (in Japanese)
Some aspects of social choice theory
Algebraic topology and social choice theory, First part (in Japanese)
Algebraic topology and social choice theory
Development of social choice theory (in Japanese)
Development of social choice theory
We will show that in the case where there are two individuals and three alternatives (or under the assumption of free-triple property) the Arrow impossibility theorem for social welfare functions...
We will present a topological approach to the Arrow impossibility theorem of social choice theory that there exists no binary social choice rule (which we will call a social welfare function) which...
Recently Eliaz(2004) has presented a unified framework to study (Arrovian) social welfare functions and non-binary social choice functions based on the concept of 'preference reversal'. He showed...
Basics of topology and the Brouwer fixed point theorem for Economics (in Japanese)
Basics of topology and the Brouwer fixed point theorem for Economics
Oligarchy for Social Choice Correspondences and Strategy-Proofness
We study the existence of a group of individuals which has some decisive power for social choice correspondences that satisfy a monotonicity property which we call modified monotonicity. And we...
ON THE EFFECTS OF COMMODITY TAX UNDER FREE ENTRY OLIGOPOLY IN THE PRESENCE OF EXPORT MARKET
If the inverse demand function in the domestic country is concave, or it is not too convex even if it is convex, a small specific commodity tax raises the social welfare in the domestic country and...
exposita notes : Long run equilibria in an asymmetric oligopoly
Consider an oligopolistic industry composed of two groups (or populations) of firms, the low cost firms and the high cost firms. The firms produce a homogeneous good. I study the finite population...
Tariffs and Welfare of an Exporting Country in a Free Entry Oligopoly under Integrated Markets.
In this paper, the author examines the effects of an increase in the specific and ad valorem tariff in the importing country on the welfare of the exporting country in a free-entry oligopoly under...
When Should “I” Consider a New Hepatitis B Virus Genotype?
Kurbanov, Fuat, Tanaka, Yasuhito, Kramvis, Anna, Simmonds, Peter, Mizokami, Masashi
An alternative direct proof of Gibbard’s random dictatorship theorem
We present an alternative proof of the Gibbard’s random dictatorship theorem with ex post Pareto optimality. Gibbard(1977) showed that when the number of alternatives is finite and larger than two,...
THE HEX GAME THEOREM AND THE ARROW IMPOSSIBILITY THEOREM: THE CASE OF WEAK ORDERS
The Arrow impossibility theorem when individual preferences are weak orders is equivalent to the HEX game theorem. Because Gale showed that the Brouwer fixed point theorem is equivalent to the HEX...
Quasi-transitive social choice rule, Vetoer, Oligarchy, Infinite society, Nonsolvable problem, Halting problem,
We will show that in the case where there are two individuals and three alternatives (or under the assumption of the free-triple property), and individual preferences are weak orders (which may...
Matsuura, Kentaro, Tanaka, Yasuhito, Hasegawa, Izumi, Ohno, Tomoyoshi, Tokuda, Hiroshi, Kurbanov, Fuat, ...
Two commercial real-time PCR assays are currently available for sensitive hepatitis C virus (HCV) RNA quantification: the Abbott RealTime HCV assay (ART) and Roche Cobas AmpliPrep/Cobas TaqMan HCV...
Matsuura, Kentaro, Tanaka, Yasuhito, Hige, Shuhei, Yamada, Gotaro, Murawaki, Yoshikazu, Komatsu, Masafumi, ...
Acute hepatitis B virus (HBV) infection has been increasing through promiscuous sexual contacts, and HBV genotype A (HBV/A) is frequent in patients with acute hepatitis B (AHB) in Japan. To compare...