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Search Results: 1 - 10 of 6954 matches for " Matsuo;Cardoso "
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On Supersymmetry of the Covariant 3-Algebra Model for M-Theory  [PDF]
Matsuo Sato
Journal of Modern Physics (JMP) , 2012, DOI: 10.4236/jmp.2012.311226
Abstract: We examine a natural supersymmetric extension of the bosonic covariant 3-algebra model for M-theory proposed in [1]. It possesses manifest SO(1,10) symmetry and is constructed based on the Lorentzian Lie 3-algebra associated with the U(N) Lie algebra. There is no ghost related to the Lorentzian signature in this model. It is invariant under 64 supersymmetry transformations although the supersymmetry algebra does not close. From the model, we derive the BFSS matrix theory and the IIB matrix model in a large N limit by taking appropriate vacua.
Zariski 3-Algebra Model of M-Theory  [PDF]
Matsuo Sato
Journal of Modern Physics (JMP) , 2013, DOI: 10.4236/jmp.2013.44A006

We review on Zariski 3-algebra model of M-theory. The model is obtained by Zariski quantization of a semi-light-cone supermembrane action. The model has manifest N=1 supersymmetry in eleven dimensions and its relation to the supermembrane action is clear.

Epidemiology of sepsis in a Brazilian teaching hospital
LTQ Cardoso, IAM Kauss, CMC Grion, LTQ Cardoso, EHT Anami, LB Nunes, GL Ferreira, T Matsuo, AM Bonametti
Critical Care , 2009, DOI: 10.1186/cc7822
Abstract: An observational longitudinal study of patients admitted to the ICU in a 2-year period. Demographic and diagnostic data were collected on admission. APACHE II and SOFA scores were obtained as originally described. Patients were monitored daily for diagnostic criteria of sepsis according to ACCP/SCCM Consensus Meeting Definitions, until death or hospital discharge.We analyzed 1,179 patients during the study period. SIRS was present in 1,048 (88.9%) patients on admission, and was associated with infection in 554 (46.9%) patients. Sepsis was diagnosed in 30 (2.5%) patients, severe sepsis in 269 (22.8%) patients and septic shock in 255 (21.6%) patients on admission. Observing the total ICU length of stay, there were 64 (5.4%) cases of sepsis, 353 (29.9%) cases of severe sepsis and 412 (34.9%) cases of septic shock. Pneumonia was the most frequent infection site (66.5%). Comparing patients according to the presence of sepsis, male sex was more frequent among septic patients (60.0%) compared with nonseptic patients (52.9%) (P = 0.015). Septic patients were older (P < 0.001) and presented a longer ICU and hospital length of stay (P < 0.001). Chronic diseases were more frequent among septic patients (16.6%) than nonseptic patients (8.9%) (P < 0.001). APACHE II and SOFA scores were higher in septic patients (P < 0.001). The mortality rate was 32.8% (95% CI = 21.6 to 45.7%) for patients with sepsis, 499% (95% CI = 44.5 to 55.2%) for severe sepsis and 72.7% (95% CI = 68.1 to 76.9%) for septic shock.We detected high incidence and mortality rate of sepsis in our sample of patients.
Effect of Starvation-Refeeding Status on Cholesterol Metabolism in Rats Fed High-Cholesterol Diet  [PDF]
Reiko Inai, Tatsuhiro Matsuo
Food and Nutrition Sciences (FNS) , 2011, DOI: 10.4236/fns.2011.22016
Abstract: The present study investigated the effect of starvation-refeeding status on cholesterol metabolism in rats fed a high-cholesterol diet or a cholesterol-free diet. Twenty male and 20 female Donryu rats (age 5 weeks) were fed a cho-lesterol-free diet for 14 days. Then the male and female rats were each divided into two groups: feeding and starva-tion-refeeding groups. The feeding groups were fed the experimental diet for 3 days, and the starvation-refeeding groups fasted for 2 days followed by 3 days of feeding. Half of each of groups was fed a cholesterol-free diet and the other half was fed a high-cholesterol diet. Starvation-refeeding significantly increased the plasma free cholesterol and HDL-cholesterol concentrations in both the high-cholesterol-diet-fed rats and the cholesterol-free-diet-fed rats. In the female rats, plasma total cholesterol and cholesteryl ester concentrations were significantly higher in the high-cholesterol groups than in the cholesterol-free groups, whereas TG concentration and total cholesterol/TG ratio were not significantly different among all of the groups. Liver total cholesterol and cholesteryl ester were significantly higher in the high-cholesterol groups than in the cholesterol-free groups in both male and female rats. These results suggest that starvation-refeeding affected cholesterol metabolism at least in part. The reactivity of the cholesterol me-tabolism may be different between male and female rats.
Effects of High-Fat Diets Containing Different Fats on Cholesterol Metabolism in Starvation-Refeeding Rats  [PDF]
Reiko Inai, Tatsuhiro Matsuo
Food and Nutrition Sciences (FNS) , 2011, DOI: 10.4236/fns.2011.26090
Abstract: The present study was performed to investegate the effects of high-fat diets containing different fats on cholesterol metabolism in starvation-refeeding rats. Forty female Donryu rats were divided into two groups and then fed high-fat diets containing beef tallow or corn oil without cholesterol for 14 days. Then, 10 rats from each group were divided into high-cholesterol and cholesterol-free groups (Experiment 1). Another 10 rats from beef tallow and corn oil groups were divided into high-cholesterol and high-cholesterol-cholestyramine groups (Experiment 2). All rats were fasted for 2 days followed by 3 days of feeding. In Experiment 1, the high-cholesterol diet caused significant increases in plasma total cholesterol and cholesteryl ester concentrations in the beef tallow diet group. In Experiment 2, dietary cholestyramine markedly decreased plasma and liver cholesterol levels; however, these cholesterol levels were higher in the beef tallow diet group even if cholestyramine was added to the diet. These results suggested that the cholesterol- lowering effect of dietary corn oil may not be due solely to reabsorption of bile acids. This study suggested that high-fat diets containing different fats affected cholesterol metabolism under conditions of starvation-refeeding.
Current Situations and Challenges Concerning Sexual Health among Unmarried Couples Composed of a Mix of Japanese, South Korean Nationals, and Ethnic Koreans Born in Japan (Zainichi): A Qualitative Study  [PDF]
Chie Koh, Hiroya Matsuo
Health (Health) , 2017, DOI: 10.4236/health.2017.91002
Abstract: South Korean nationals are heavily represented in Japan’s foreign population, making up around 20% of all foreign residents in the country. Koreans in Japan can be viewed in two groups: Korean nationals who work or study in Japan, and those of Korean ancestry who were born in Japan or otherwise have historical reasons for residency (commonly called zainichi). There are certain differences seen in gender roles and Confucianism-based traditional culture among Japanese, South Korean nationals, and zainichi. This qualitative study examined consciousness and attitudes about marriage, family planning, and work-life balance in unmarried couples among these three groups. Semi- structured interviews were conducted with five unmarried couples comprising two members from the above three groups (age range: 20 - 35 years), residing in the Kinki region of western Japan. Twelve categories, 25 subcategories, and 79 codes were extracted from 636 contexts. Values regarding sexual health were analyzed from four viewpoints: marriage, family planning, work-life ba- lance, and sexual concerns. The results showed that the couples thought positively about marriage and family planning, while they had several sources of anxiety related to Confucian values and problems stemming from their different nationalities/roots. It is possible that gender roles and Confucian beliefs affect their sexual health. The study underscores that health professionals should provide pertinent knowledge and skills about family planning and child rearing, as well as premarital sexual health counselling, for unmarried couples composed of Japanese, South Korean nationals, and zainichi.
Chitin Based Fuel Cell and Its Proton Conductivity  [PDF]
Takashi Kawabata, Yasumitsu Matsuo
Materials Sciences and Applications (MSA) , 2018, DOI: 10.4236/msa.2018.910056
Abstract: We have fabricated a fuel cell based on the tissue-derived biomaterial “chitin”, and investigated its proton conductivity. It was found that chitin becomes the electrolyte of the fuel cell in the humidified condition, and power density of the fuel cell using chitin electrolyte becomes typically 1.35 mW/cm2 at the 100% relative humidity. This result is the first result showing that the polysaccharide obtained from nature becomes the fuel cell electrolyte. Moreover, this result indicates that chitin is proton conductor in the humidified condition. In the chitin sheet plane, proton conductivity in chitin is observed approximately 0.1 S/m. Further, it was also found that chitin has the anisotropic proton conductivity. The proton conductivity along the chitin fiber direction is higher than that perpendicular to the chitin fiber direction. From these results, it is deduced that the formation of water bridges accompanied by hydration plays an important role in the appearance of proton conductivity in chitin.
Comparison of Prevalence Rates of Strabismus and Amblyopia in Japanese Elementary School Children between the Years 2003 and 2005
Acta Medica Okayama , 2007,
Abstract: We previously revealed the prevalence of strabismus and amblyopia in elementary school children between 6 and 12 years of age in Japan in the year 2003. Questionnaires asking the number of children with different types of strabismus and amblyopia were sent to all elementary schools in Okayama Prefecture in the year 2005, and the results in the year 2005 were compared with those obtained in the year 2003. The number of children covered by the return of questionnaires was 84,619 (74%) of 113,763 total pupils, including grades 1 to 6, in Okayama Prefecture in the year 2005. The total numbers of children with strabismus and amblyopia, including grades 1 to 6, were 844 (0.99%, 95% confidence interval: 0.94-1.06%) and 173 (0.20%, 95% confidence interval: 0.17-0.23%), respectively. The numbers of children with any type of exotropia and any type of esotropia were 524 (0.62%) and 187(0.22%), respectively. In the previous survey conducted in 2003, the number of children covered by the return of questionnaires was 86,531 (76%) of 113,254 total pupils. The total numbers of children with strabismus and amblyopia were 1,112 (1.28%, 95% confidence interval: 1.24-1.36%) and 125 (0.14%, 95% confidence interval: 0.12-0.17%), respectively. The numbers of children with any types of exotropia and esotropia were 602 (0.69) and 245 (0.28%), respectively. The prevalence of strabismus in this large population of Japanese elementary school children was significantly different between the years 2003 and 2005, while the prevalence of amblyopia was similar between the years.
Incidence and risk factors for sepsis in surgical patients: a cohort study
AAFS Georgeto, ACGP Elias, MT Tanita, CMC Grion, LTQ Cardoso, P Verri, CFF Veiga, áRG Barbosa, AZ Dotti, T Matsuo
Critical Care , 2011, DOI: 10.1186/cc10165
Abstract: To evaluate risk factors for sepsis in surgical patients admitted to the intensive care unit (ICU).Prospective data collected from a cohort of surgical patients from January 2005 to December 2007. We analyzed the incidence of sepsis and certain variables from the preoperative, intraoperative and postoperative period as risk factors for sepsis.We studied 648 surgical patients. The mortality rate was 19.3% and mean age was 53.2 ± 18.8 years. The incidences of severe sepsis and septic shock were 6.6% and 12.7%, respectively. Multivariate analysis showed that the following variables were associated with sepsis: urgent surgery (OR = 6.92, 95% CI = 4.34 to 11.03), emergency surgery (OR = 5.36, 95% CI = 2.86 to 10.05), POSSUM physiologic variables (OR = 1.03, 95% CI = 1.01 to 1.06), POSSUM surgical variables (OR = 1.09, 95% CI = 1.05 to 1.13), mechanical ventilation (OR = 7.20, 95% CI = 3.78 to 13.71) and Sequential Organ Failure Assessment at ICU admission (OR = 1.13, 95% CI = 1.05 to 1.22).The present study detected a high incidence of infectious complications in surgical patients that resulted in high mortality rates. Risk factors associated with sepsis during the perioperative period were easily detectable and knowledge of these can be useful for prevention strategies and early identification of complications.
Impact of delayed admission to intensive care units on mortality of critically ill patients: a cohort study
Lucienne TQ Cardoso, Cintia MC Grion, Tiemi Matsuo, Elza HT Anami, Ivanil AM Kauss, Ludmila Seko, Ana M Bonametti
Critical Care , 2011, DOI: 10.1186/cc9975
Abstract: A prospective cohort of adult patients admitted to the ICU of our institution between January and December 2005 were analyzed. Patients for whom a bed was available were immediately admitted; when no bed was available, patients waited for ICU admission. ICU admission was classified as either delayed or immediate. Confounding variables examined were: age, sex, originating hospital ward, ICU diagnosis, co-morbidity, Acute Physiology and Chronic Health Evaluation (APACHE) II score, therapeutic intervention, and Sequential Organ Failure Assessment (SOFA) score. All patients were followed until hospital discharge.A total of 401 patients were evaluated; 125 (31.2%) patients were immediately admitted and 276 (68.8%) patients had delayed admission. There was a significant increase in ICU mortality rates with a delay in ICU admission (P = 0.002). The fraction of mortality risk attributable to ICU delay was 30% (95% confidence interval (CI): 11.2% to 44.8%). Each hour of waiting was independently associated with a 1.5% increased risk of ICU death (hazard ratio (HR): 1.015; 95% CI 1.006 to 1.023; P = 0.001).There is a significant association between time to admission and survival rates. Early admission to the ICU is more likely to produce positive outcomes.When the number of patients requiring intensive care management is greater than the number of beds available, ICU entry flow is obstructed [1] and the critically ill patient has to be cared for in hospital wards with non-specialized staff. Critically ill patients need early interventions to improve outcomes [2-7]; therefore, the phenomenon of waiting for ICU bed availability has been suggested to be associated with higher mortality [8-12]. The positive impact of ICU admission on patient survival is more evident during the first 72 hours of critical illness [13]. In the face of an aging and increasingly morbid global population [14], timely access to ICU beds becomes increasingly important [15,16].The waiting time for ICU bed
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