We have been examining the abundance distributions in metal-poor Galactic halo stars trying to identify, and understand, the signatures of the slowand rapid-neutron capture processes (i.e., the sand the r-process). Detailed studies have been made of the stars CS 22892–052 [1, 2] and HD 115444 [3]. In our latest work we have added to this list the metal-poor ([Fe/H] = –2.0) halo star BD +17◦3248...

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In order to intelligently select the correct high speed op amp for a given application, an understanding of the various op amp topologies as well as the tradeoffs between them is required. The two most widely used topologies are voltage feedback (VFB) and current feedback (CFB). An overview of these topologies has been presented in previous tutorials (MT-050, MT051, MT-052), but the following d...

TOMOHIDE YASUNAGA1, ZAYAR SOE2, SHINE SHANE NAING2 & ANDRZEJ WOLSKI3 1Research Associate, Division of Invertebrate Zoology, American Museum of Natural History, New York, c/o JICA (Japan International Cooperation Agency) Myanmar Office, #701 Sakura Tower No. 339, Bogyoke Aung San Road, Kyauktada Township, Yangon. E-mail: [email protected] 2Fluit Fly Laboratory, Plant Protection Division (PPD), ...

changed in response to the fear of AIDS, focusing on the contraceptive behavior of single men and women. We also analyze recent trends in condom use that may have been influenced by increasing fear of sexually transmitted diseases (STDs), as well as by contraceptive needs. We distinguish the percentages of men and women who currently use condoms (at the time of the survey), who have ever used c...

In the present study, a total of 1,235 porcine serum samples were collected from 9 counties in Jilin Province (40°52'~46°18'N,121°38'~131°19'E), northeastern China from August to October 2013, and the seroprevalence of Toxoplasma gondii infection was tested by indirect haemagglutination assay (IHA). The results showed that antibodies to T. gondii were found in 19.1% (95% confidence interval [CI...

Health literacy continues to experience the normal growing pains of an emerging field of inquiry and practice. The evolving concept of health literacy requires the development of new measurement tools in order to adequately study interventions and identify best practices. This article describes a multi-stage process of engaging the largest known international group of health literacy profession...

Zinc (Zn) and selenium (Se) exert regulatory activities on immune functions, while cadmium (Cd) is an immunotoxic agent. The object of this study was to detect effects of 10-4, 10-5, and 10-6 M Cd sulphate, Zn sulphate, and sodium selenite, and their combinations on human peripheral blood mononuclear cell (PBMC) proliferation and IFN-γ and TNF-α production. Only 10-5 M Zn sulphate significantly...