Researchers have developed an artificial nose with a single sensor capable of distinguishing volatile organic compounds with 96% accuracy. The technology uses a graphene oxide and Nafion-coated antenna that operates across a frequency range of 1 to 8GHz, offering dual functionality for data transfer over the 5.8GHz ISM band. The team envisions medical applications, similar to trained dogs detecting diseases through volatile organic compounds.

➀ Researchers developed advanced wound dressing materials using electrospun fibers made from poly(ε-caprolactone) and poly(vinyl pyrrolidone) enhanced with a chitosan-based nanocomposite (ChAgG). ➁ The study assessed the mechanical properties, antimicrobial efficacy, and overall performance of the fibers, showing potential for clinical applications. ➂ The fibers demonstrated enhanced mechanical properties, thermal stability, and significant antimicrobial activity, making them suitable candidates for advanced wound dressing applications.

➀ A research team at Kumamoto University has developed a novel, pore-free graphene oxide (GO) film with superior hydrogen ion barrier properties. The film shows up to 100,000 times better hydrogen ion barrier performance compared to standard GO films. ➁ This innovation is significant in improving protective coatings for various applications and could lead to the development of coatings with enhanced protective qualities. ➂ The team plans to utilize the hydrogen ion barrier performance for practical applications while addressing the challenges of the 'pores' in the GO structure.