Optical indicators based colored polymers are autonomous responsive labels that provide an optical signal to represent a specific exposure over time. Polymers that possess a high degree of order can ...

(Nanowerk Spotlight) Perishable goods, especially for food and pharmaceuticals, must be kept within certain, low temperature ranges during manufacture, storage and transport in order to prevent ...

Scientists have developed vaccines for COVID-19 with record speed. The first two vaccines widely distributed in the U.S. are mRNA-based and require ultracold storage (-70 C for one and -20 C for the ...

In a bid to combat food waste, cross-Atlantic start-up Oli-Tec has developed temperature indicator labels that help consumers see when food is going off. Nearly one-third of all food produced for ...

Researchers have developed a tamper-proof temperature indicator that can alert health care workers when a vial of vaccine reaches an unsafe temperature for a certain period, which could help ensure ...