Author Archive for: David Bradley (472)

Squaring Up To Squalene

Squaring Up To Squalene

How squalene cyclizes to form tetracyclic and pentacyclic triterpenes has now been addressed computationally offering clues to nature's chemistry

A Labor of Love

A Labor of Love

Tiny strands of genetic material known as microRNAs could act together with natural hormones to reduce the risk of premature births

Unexpected Pollutants

Unexpected Pollutants

Metallic particles present in a firework, which are released in its smoke when it explodes, could pose a health risk, particularly to asthmatics

Infrared Security

Infrared Security

Chemicals hidden in clothes detected with near-IR spectroscopy by British chemists; might improve security screening

Natural Flavorings

Natural Flavorings

Heating ascorbic acid (vitamin C) and L-cysteine in solution at different pH results in formation of a complex mixture of aroma volatiles

A Twist in the Tail

A Twist in the Tail

Compound in scorpion venom is found to suppress vascular smooth muscle cell migration and could help heart surgery

Up Close and Organic

Up Close and Organic

Microscopy could beat NMR and crystallography for powerful 3D structure determinations of complex organic molecules

Toxic Color Test

Toxic Color Test

A new lab-on-a-chip sensor array – little bigger than a business card can – detect toxic industrial chemicals at low cost and low concentrations