Raquel Gonzalez and colleagues highlight an urgent need to evaluate antimalarials that can be safely administered to HIV-infected pregnant women on antiretroviral treatment and cotrimoxazole prophylaxis.

The asymmetric unit of the title compound, (C(10)H(28)N(4))[CoCl(4)]Cl(2), contains two half-mol-ecules of the macrocycle, which are both completed by crystallographic inversion symmetry. In the dianion, the Co(2+) cation is tetra-hedrally coordinated by four Cl atoms; the Co-Cl bond lengths correlate with the number of hydrogen bonds that the chloride ions accept. The crystal cohesion is suppo...

1 Clinical Research Fellow, Malawi-Liverpool-Wellcome Trust Clinical Research Programme and Department of Paediatrics, College of Medicine University of Malawi, Malawi ([email protected]). Tel: 265-1-676444; Fax: 265-1-675774. Ref. No. 03-010397 Uncertainty remains about the risks and benefits of implementing guidelines on the use of cotrimoxazole prophylaxis for prevention of HIV-related i...

For Francis Tally, both medicine and science were highly personal undertakings. Tally thought that emotional engagement was important in one's work and one's life, which were inseparable in his case. Indeed, Tally materially participated in no fewer than 4 programs that resulted in the approval and commercialization of novel antibiotics. These included piperacillin-tazobactam (which is currentl...

First direct images of cobalt nanoparticles covered by a few atomic layers thick TiO(x) moieties after reduction treatment of a Co/TiO(2) system with the simultaneous formation of Co-O-Ti bonds confirm the development of the SMSI decoration effect.

The title mol-ecule, [Co(C(6)H(5))(CN)(C(3)H(9)P)(3)], lies on a crystallographic mirror plane with the Co(II) ion coordinated in a distorted square-pyramidal environment with one of the P atoms in the apical position. In the basal plane, the phenyl substituent is trans to the cyanide group with a C-Co-C angle which is significantly distorted from linearity.

Since the study of Ellerman and Decaux (1998) marginal abatement cost curves (MACCs) have become one of the favorite instruments to analyze the impacts of the implementation of the Kyoto Protocol and emission trading. This paper shows that the MACC in one country depends via the link of world energy prices on the level of abatement in the rest of the world. The strength of the dependence is inf...

This paper presents the findings of a qualitative study investigating which factors inside and outside the classroom result in feelings of stress for TESOL teachers working at private language schools in South Africa. Using in-depth semi-structured interviews, the findings reveal three main areas that cause stress for TESOL teachers: the job of teaching, relationships at work and organisational...

Although there have been many previous studies of research collaboration, comparatively little attention has been given to the concept of 'collaboration' nor to the adequacy of attempting to measure it through co-authorship. In this paper, we distinguish between collaboration at different levels and show that inter-institutional and international collaboration need not necessarily involve inter...