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Highlighted this week — a handy device for replica plating microbial colonies on solid growth media, a kit for the direct colorimetric detection of hepatitis B DNA and a nonradioactive reverse transcriptase assay for the detection of HIV-1.

Handy helpers in this week's issue include a dual-purpose device for vertical electrophoresis and electroblotting, a triple-tray gel box and news of a new patent sequence data bank.

New product developments to watch for include a whole chromosome painting system, a second-generation robotics system, a pocket-sized torch for use in the darkroom and two new gel documentation systems.

Identification of disease modules in the human interactome can guide more efficacious therapeutic selections. Here, the authors introduce a network-based methodology to identify individualized disease modules by mapping patients’ DNA and RNA sequencing profiles to the interactome, enabling prediction of cancer type-specific drug responses.

New products for molecular biologists include software for microsatellite analysis, a kit for the direct labelling of Fab', IgG or other proteins and molecules, and chromosome paints for the identification of individual human chromosomes.

Over 3,000 exhibitors will be showing off their wares at ACHEMA 91, an international meetingon chemical engineeringand biotechnology to be held in Frankfurt, Germany, 9–5 June.

New modes of detection featured this week include a new crosslink immunoassay for bone research, a western blot kit for detecting autoantibodies to nuclear and cytoplasmic antigens, and an optical biosensor device.

New reagents to watch out for include ‘live’ cell nucleic acid stains, a yeast transformation kit, a chemiluminescent immunoblotting system and an expression system for the production of soluble proteins in E. coli.

Products for electrophoresis described this week include a 1- and 2-D gel analysis system, a temperature gradient gel electrophoresis system and an all-in-one crosslinker/transilluminator.

Next week's conference sponsored by the American Society for Biological Chemistry and Molecular Biology/American Society for Cell Biology will be held in San Diego, California. Year-end products include a cDNAsynthesis kit and an image processing system that offers a more affordable approach to confocal microscopy.

A monoclonal antibody to Heliobacter spp./Campylobacter spp., colony counting systems and a pocket-sized microscope for on-the-spot analysis — product news for the microbiologist.

Products for the midsummer season Include magnetic beads for the isolation of poly (A)⁺RNA, a mycoplasma testing service and plate-tectonic modelling software for geology buffs.

A robotic titration workstation and 3-D molecular modelling software are a selection of what next week's Scientific Computing and Automation Confer-ence in Philadelphia, Pennsylvania, has to offer.

New products for the New Year include a video tracking, motion analysis and behaviour recognition system, a new system for measuring the molecular binding of biological molecules and an HPLC system with mass spectral compound identification.

Featured this week — a compendium of immunological reagents, microplate analysis software and an in vitro cell culture system for the production of monoclonal antibodies, which provides an alternative to ascites production.

The Federation of American Societies for Experimental Biology (FASEB) annual meeting will be held in Washington, DC, next week. A micro-osmotic pump for slow-release drug delivery and a vertical tube gel apparatus will be among the many exhibits.

This midsummer selection features purified vitronectin, an intron-encoded endonuclease, transcription kits and an electronic animal ID system.

Over 850 companies will be exhibiting their wares at the Pittsburgh Conference on analytical chemistry and applied spectroscopy, to be held next week in Chicago, Illinois, USA.

Visitors to British Lab Week, in London, can expect to see a wide range of laboratory products: from gel documentation systems to water purifiers that keep water particle-free.

For the immunologist — an in vitro system for studying leukocyte transendothelial migration, assays for free radical markers, antibodies to nitric oxide synthases and an assortment of microplates.

Repurposing approved drugs could accelerate treatment options for various diseases. Here, the authors use network proximity of disease gene products and drug targets in the human protein interactome to identify drug-disease associations for cardiovascular disease, and validate these using longitudinal healthcare data.