Researchers can use a metric called the particle number concentration (PNC) to calculate the number of particles in a sample, such as the number of marbles in a jar. Researchers at the National ...

Researchers at the National Institute of Standards and Technology (NIST) have developed a new mathematical formula to calculate the concentration of particles suspended in a solution. The new approach ...

Please provide your email address to receive an email when new articles are posted on . COEUR D’ALENE, Idaho — No statistically significant difference in predicted refractive accuracy between ...

Please provide your email address to receive an email when new articles are posted on . IOL power calculations for cataract surgery have come a long way since the days of empiric regression formulae ...

Researchers have developed a more accurate way to calculate low-density lipoprotein (LDL) cholesterol, the so-called “bad” form of blood fat that can lead to hardening of the arteries and increase the ...