42 Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Road transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 Telecommunications . . . . . . . ....

Alex G. Dias, A. Doff, C. A. de S. Pires, P. S. Rodrigues da Silva Instituto de F́ısica, Universidade de São Paulo, Caixa Postal 66.318, 05315-970,São Paulo-SP, Brazil Instituto de F́ısica Teórica, Universidade Estadual Paulista, Rua Pamplona 145, 01405-900 São Paulo SP, Brazil Departamento de F́ısica, Universidade Federal da Paráıba, Caixa Postal 5008, 58051-970, João Pessoa PB, Brazil. (Dated: A...

Departamento de Biologı́a Molecular de Plantas, Instituto de Biotecnologı́a, Universidad Nacional Autónoma de México, Apartado Postal 510–3, Cuernavaca Morelos 62271, México (L.C., F.S., C.Q.); Biology Department, Morrill Science Center, University of Massachusetts, Box 35810, Amherst, Massachusetts 01003–5810 (T.L.H.-C., J.G.K., P.K.H.); Instituto Gulbenkian de Ciência, P–2780–156 Oeiras, Portug...

An optimized method, based on the coupling of two commercial kits, is described for the extraction of soil nucleic acids, with simultaneous extraction and purification of DNA and RNA following a cascade scheme and avoiding the use of harmful solvents. The protocol canmonitor the variations in the recovery yield of DNA and RNA from soils of various types.The quantitative version of the protocol ...

The Pennsylvania Game Commission contacted Millersville University to perform tests to help combat the transmission and spread of Chronic Wasting Disease (CWD) via better detection of urine-based deer lures. The objective of this study was to use multiple methods and kits designed for detection of urine and blood to determine the best method of detection for urine-based deer lures. Methods incl...

In order to identify reasons clinicians in Malawi might not offer HIV testing to patients, a cross-sectional descriptive postal census with telephone and fax follow-up was conducted. Proportions were calculated for each reason given for not offering HIV testing. Multiple logistic regression was used to determine whether responses differed by demographic characteristics. The response rate was 54...

Killingsworth describes two recent regulatory initiatives by the US Food and Drug Administration (FDA) and urges the clinical laboratory community to lobby against them (1). Although I agree with many of his points, I suggest a different perspective. In late summer of 1992, the FDA issued a “Draft Guideline for Compliance” to manufacturers of unapproved test kits being sold “For Research Use On...

BACKGROUND Achieving higher rates of partner HIV testing and couples testing among pregnant and postpartum women in sub-Saharan Africa is essential for the success of combination HIV prevention, including the prevention of mother-to-child transmission. We aimed to determine whether providing multiple HIV self-tests to pregnant and postpartum women for secondary distribution is more effective at...