AFM: Not Just for Materials Science Anymore
Karen Heyman( | Dec 4, 2005
The atomic-force microscope (AFM) was developed 20 years ago, but only recently has it become a significant tool for biologists.
A Buyers' Guide to Transposon Kits
Jeremy Peirce( | Dec 4, 2005
If you thought transposons were mere genetic curiosities, think again.
Getting Started with SNPs
Laura Spinney( | Nov 20, 2005
Richard Houlston works at the Institute of Cancer Research in Sutton, UK, where he searches for genes that confer susceptibility to disease.
Brain Stains
Aileen Constans( | Nov 6, 2005
Short of sticking electrodes directly into an organism's brain, scientists looking to image neural signaling in living systems have few options.
How to Move Your Lab
Erika Jonietz( | Nov 6, 2005
Irene Pepperberg, a Harvard University research associate who studies cognition and communication in African grey parrots, has moved her lab four times since 1984.
Trading Up in Animal Research
Graciela Flores( | Nov 6, 2005
So, you've been working with small animals and you want to move up to larger experimental models.
Buyer's Guide to Flow Cytometers
Jeff Minerd( | Oct 23, 2005
NASA scientists, in conjunction with Guava Technologies of Hayward, Calif., recently announced a compact prototype flow cytometer that functions in zero-gravity, for use aboard the International Space Station.
Lessons from the Past
Bennett Daviss | Oct 23, 2005
Although she died when the Roman Empire ruled her native land, a five-year-old Egyptian child named Sherit is nevertheless pushing the envelope in high-tech medicine.
Give your Protein a Tune-up
Megan Stephan( | Oct 9, 2005
Gadget freaks love to "mod" their toys, and protein engineers are no exception.
Preparing for SARS
JR Minkel( | Oct 9, 2005
When the next outbreak of severe acute respiratory syndrome (SARS) will emerge is anyone's guess.
New Arrays Open 'Junk DNA' to Exploration
Lissa Harris( | Oct 9, 2005
Microarrays present researchers with something of a catch-22: In order to find something, you have to know what you're looking for.
Buyer's Guide to Gel Documentation Systems
Jeremy Peirce( | Sep 25, 2005
Researcher Willy Walter of the University of Wisconsin, Madison, has fairly typical gel-documentation needs: "We take pictures of ethidium bromide-stained agarose gels using a UV transilluminator and of yeast colonies under white light."
A Live-Animal Test for BSE?
Doug Payne( | Sep 25, 2005
The discovery of even a single case of mad cow disease can be economically devastating.
Your Database Is Talking; Is Anybody Listening?
Amy Adams( | Sep 11, 2005
During most of the 1990s, a linguistic chasm divided the worlds of flies, worms, mice, and other model organisms.
How Does Your Virus Grow?
Erika Jonietz( | Sep 11, 2005
Researchers at Chiron made virology history in 1987 when they discovered the hepatitis C virus (HCV), not by isolating viral particles, but by cloning and sequencing its genome.
Cloning Without Restriction
Gail Dutton( | Sep 11, 2005
Cloning DNA fragments using restriction enzymes is like flying from Seattle to New York via Phoenix.
Stereo Microscopes: Still Changing After All These Years
Stuart Blackman( | Aug 1, 2005
Stereomicroscopes are not sexy
Time to Regulate Nanoparticle Safety?
Susan Gaidos( | Aug 1, 2005
It's not often that an industry volunteers for tighter regulation and oversight.
Thinking Outside the Icebox on DNA Storage
Gail Dutton( | Jul 17, 2005
Lab freezers are like mom's attic: cluttered with the property of people long gone.
Precast Gels Ascendant
Anne Harding( | Jul 17, 2005
It is a lament heard in labs everywhere, usually on Friday nights: "I can't go out, I've got to run a gel."