52 research outputs found
ac Conductivities of Amorphous Ge-As-Te and Ge-As-Se Systems
application/pdfBulletin of University of Osaka Prefecture. Series A, Engineering and natural sciences. 1973, 21(2), p.265-274departmental bulletin pape
Simultaneous Detection of [metal(II)-tpen]^<2+> as Kinetically Inert Cationic Complexes Using Pre-capillary Derivatization Electrophoresis: An Application to Biological Samples
A high resolution of doubly charged first row transition (Fe, Cu, Zn, Ni, Co, Mn) and heavy metal (Pb, Cd, Hg) ions was achieved in capillary electrophoresis (CE) with high sensitivity (sub-micromol dm^ level), using NN,N'N'-tetrakis(2-pyridylmethyl)ethylenediamine ( TPEN) as a pre-capillary derivatizing agent. The non-charged reagent, TPEN, was applied to capillary zone electrophoresis (CZE) for the first time. Since complete spatial separation between the complexes and the ligand was carried out in a carrier buffer, which was free of TPEN, kinetic inertness of metal complexes was necessary for the detection in this pre-capillary method. All the nine listed metal complexes were detected: Ca^, Mg^, Al^, Fe^, and Co^ complexes were undetectable. This, interestingly, suggests that those nine cations form kinetically inert tpen complexes without strong charge-charge interactions between the metal ion and the ligand. It is expected that the hard-soft-acid-base ( HSAB) principle governed the kinetics selectivity. With respect to the electrophoretic behavior, the addition of chloride ion and methanol to the carrier significantly improved the resolution. This is due to the formation of ternary complexes or ion aggregates and the solvation effect, respectively. These effects provided a satisfactory baseline resolution among the nine metal ions. An application to biological samples was demonstrated. Some metal ions in human serum and urine were successfully detected in a simple process without the need for deproteinization using a non-coated fused-silica capillary because of the differenciation in the direction of migration between organic matter and complexes.http://www.rsc.org/publishing/journals/AN/article.asp?doi=b417394etextapplication/pdfjournal articl
Risk Factors for First Acute Myocardial Infarction Attack Assessed by Cardiovascular Disease Registry Data in Aichi Prefecture
2007-10Recently, in Western countries, metabolic syndrome as well as such classical risk factors as hypertension and smoking has been considered to be closely associated with the occurrence of acute myocardial infarction (AMI). Therefore, we conducted a case-control study to investigate how the co-morbidity of obesity or thinness with hypertension, hyperlipidemia and diabetes mellitus would affect AMI occurrence among Japanese aged 30 to 69. Cases were comprised of 788 patients (590 men and 198 women) registered in the “Aichi Prefecture Cardiovascular Disease Registry Program” during hospitalization due to their first AMI attack. Controls were 2,300 randomly sampled inhabitants (1,142 men and 1,158 women) who responded to the questionnaire survey on lifestyle. We decided BMI<18.5 as thin, 18.5≦BMI<25.0 as normal, and BMI≧25.0 as obese, then divided subjects into six groups according to the presence or absence of histories of the above-mentioned three diseases in connection with their physique. In both sexes, multivariately adjusted odds ratios of first AMI attacks were much higher in groups with such histories (men, 4.14~5.07; women, 5.62~15.24) than in those without them (men, 0.90~1.13; women, 1.54~3.03) regardless of physique. Only in women, obesity uncombined with histories was significantly associated with AMI occurrence and not obesity but thinness intensified the association between histories and AMI. Among the six groups, population attributable risk percent was highest in the normal physique group with histories. It was suggested that persons with disease histories should be carefully treated irrespective of the presence or absence of obesity.departmental bulletin pape
Management Characteristics of Accommodations in Itamuro Onsen, Nasushiobara City
text紀要論文 / Departmental Bulletin Paperdepartmental bulletin pape
Observation of Time-Dependent CP Violation in B0K0 Decays and Improved Measurements of CP Asymmetries in B0K0, KKK and B0J/K0 Decays
journal articl
Attitude Survey for Chronic Obstructive Pulmonary Disease with the Lung Age Measurement in the Health Festival for Citizens.
departmental bulletin pape
Impact of Structural Change on Income Distribution : U.S., U.K. and Japan
亜細亜学園創立50周年記念号departmental bulletin pape
One-Pot Two-Step Microwave-Assisted Reaction in Constructing 4,5-Disubstituted Pyrazolopyrimidines
A microwave-assisted reaction was developed to facilitate the construction of 4,5-disubstituted pyrazolopyrimidines. This one-pot two-step
process involves a sequential SNAr displacement of the C4 chloro substituent with various anilines and amines, followed by a Suzuki coupling
reaction with different boronic acids. Using microwave irradiation leads to high product conversion, low side product formation, and shorter
reactions
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