Laser labels on polymers stand out more when you add bismuth oxide

Making a Clearer Mark

Energy Storage from Industrial Waste
Mill scale goes from steel mill waste product to inexpensive capacitor electrodes

Nanoscale Charge Separation
Semiconductor nanocrystals, chiral molecules, and polarized light make an electrical on-off switch

Tracking a Pollutant's Path
Isotopic signatures detect chlorofluorocarbon contamination in groundwater systems

Carcinogens Among the Ashes
New analytical method detects trace amounts of dioxins and furans in fire debris samples

Biomarker Shows if You've Been Drinking Coffee
2-Furoylglycine keeps track of coffee consumption for accurate reporting in dietary studies

A Pick-up and Delivery System Inspired by Nature
Bio-inspired nanostructure arrays designed to hold onto or release liquid droplets

Heterocycles on a Gram Scale
An efficient and concise synthesis of 6- and 7-membered N-heterocyclic rings

Chemical Indicator for Alkylating Agents
Towards a real-time sensor for carcinogenic alkylating agents

Breaking Apart Cyclopentanepentone
Calculations on the fragmentation of 1,2,3,4,5-cyclopentanepentone to five molecules of CO reveal asynchronous mechanism