Supratik Guha @UChicago and colleagues report that a combination of cotton with natural silk or chiffon can potentially provide the most effective protection when used to make homemade face masks, as long as it fits well https://t.co/1LwqLm1vtA #COVID #COVID19 @ACSPublications

Congratulations to the 2019 @acsnano #award lecturers https://t.co/VTMbg80Brf Naomi Halas @NaomiHalas @RiceUniversity @NanoLetters Bin Liu @NUSingapore @ACSMatLett & Jamie Warner @JamieHWarner @UniofOxford see their talks at ChinaNano #Beijing /PSW @PSWnano & co #nano

Nanoparticles added by pipette to a levitating droplet. This approach may allow for unprecedented and improved ordering in assembles as there are no solid substrates present. https://t.co/FL8z351hzW by @wenlongcheng and Duyang Zang at @monashengineers and @StudyatNPU /CJD