The dramatic growth in production and increased utilization of engineered nanoparticles (ENPs) have become a reason for worry and uncertainty with regard to their introduction into the environment and ...

Typically, a carry-on bag should not exceed 22 x 14 x 9 inches (inclusive of the handle and wheels). However, the rules can ...

Absorbing samples are a challenge for classical dynamic light scattering instruments. The difficulty arises from the reduction in the intensity of scattered light using a scattering angle of 90°. This ...

Particle size analysis is an effective tool having myriad applications in almost all industries. There are a variety of automated techniques available to measure particle size distribution. Particle ...

The puzzle is that the proton—the positively charged particle found in atomic nuclei, which is actually a fuzzy ball of quarks and gluons—is measured to be ever so slightly larger when it is orbited ...

Nonconformists could take a page from the proton’s playbook: The subatomic particle is once again resisting scientists’ attempts to size it up. Everyone agrees the proton is tiny: Its radius is less ...