How squalene cyclizes to form tetracyclic and pentacyclic triterpenes has now been addressed computationally offering clues to nature's chemistry
Author Archive for: David Bradley (472)
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
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
Chemicals hidden in clothes detected with near-IR spectroscopy by British chemists; might improve security screening
Use Graphene for a Quick Charge
Graphene-based supercapacitor vies with NiMH batteries on energy density but can be charged or discharged in s or min
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
Compound in scorpion venom is found to suppress vascular smooth muscle cell migration and could help heart surgery
Chemical Frustration Opens Synthetic Routes
Frustration can lead to ring-opening reaction yielding phosphonium borate products with potential as metal-free catalysts
Up Close and Organic
Microscopy could beat NMR and crystallography for powerful 3D structure determinations of complex organic molecules
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