Life & Chemistry

Life & Chemistry

New Light-Based Method to Sense Neuronal Activity

The work—a collaboration between Viviana Gradinaru (BS '05), assistant professor of biology and biological engineering, and Frances Arnold, the Dick…

Life & Chemistry

Chemists Enhance Antibiotic to Combat Resistant Bacteria

The new vancomycin analog appears to have not one but two distinct mechanisms of anti-microbial action, against which bacteria probably cannot evolve…

Life & Chemistry

Understanding Phosphorus: Structure and Stability Explained

What holds white, black, and red phosphorus together—and prevents it from falling apart, for example into much-sought-after atomically thin networks and…

Life & Chemistry

Sorting Water Molecules: Discovering Para and Ortho Water

Not all water is equal—at least not at the molecular level. There are two versions of the water molecule, para and ortho water, in which the spin states of the…

Life & Chemistry

Proteins Hey1 and Hey2 Ensure that Inner Ear 'Hair Cells' Are Made at the Right Time and in the Right Place

“The proteins Hey1 and Hey2 act as brakes to prevent hair cell generation until the time is right,” says Angelika Doetzlhofer, Ph.D., an assistant professor of…

Life & Chemistry

Unexpected RNA Modifications Uncovered by Scientists

In reality, of course, the process is vastly more complicated than the schema first articulated nearly 60 years ago by Nobel Laureate Francis Crick,…

Life & Chemistry

Water-Saving Plants: Breeding Crops for Drier Conditions

Crops such as potatoes and sugar beets are much less tolerant to dry conditions compared to wild plants. “This is the result of plant breeding aimed at…

Life & Chemistry

Drug's effect on Alzheimer's may depend on severity of disease

The drug, bexarotene, was found to reduce levels of the neurotoxic protein amyloid-beta in experimental mice with late-stage Alzheimer's but to increase levels…

Life & Chemistry

New Halogenation Enzyme Discovered by Pitt Chemical Biologist

Molecules containing carbon-halogen bonds are produced naturally across all kingdoms of life and constitute a large family of natural products with a broad…

Life & Chemistry

Cells Tackle Chromosome Confusion in Reproductive Division

Reproductive cell division has evolved a simple, mechanical solution to avoid chromosome sorting errors, researchers report in the Sept. 11 Science Express.

Life & Chemistry

New Method Detects Mismatched DNA with High Sensitivity

Researchers at Johns Hopkins have identified a highly sensitive means of analyzing very tiny amounts of DNA. The discovery, they say, could increase the…

Life & Chemistry

UNC Researchers Unlock Secrets of Circadian Clock Genes

Researchers at the UNC School of Medicine have discovered how two genes – Period and Cryptochrome – keep the circadian clocks in all human cells in time and in…

Life & Chemistry

New Genetic Test Reveals Men’s Elevated Prostate Cancer Risk

Scientists can now explain a third of the inherited risk of prostate cancer, after a major international study identified 23 new genetic variants associated…

Life & Chemistry

New 3D Insights into Bacterial Survival Strategies

Scientists at VIB and Vrije Universiteit Brussel have for the first time created a detailed three-dimensional image of the pores through which the curli…

Life & Chemistry

Measuring Modified Protein Structures to Combat Diseases

In humans, proteins that fold wrongly can cause serious diseases such as Alzheimer's, Parkinson's or cystic fibrosis. Some of these proteins also have a…

Life & Chemistry

Targeting Muscle Repair in Muscular Dystrophy Innovations

Muscular dystrophies are a group of muscle diseases characterized by skeletal muscle wasting and weakness. Mutations in certain proteins, most commonly the…

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