Today’s article

term: microbalance

Determination:

the term referring to: a large group of analytical instruments, whose mass measurement accuracy ranges from several micrograms to several hundredths of a microgram; 2) special high-precision tools that allow measuring the mass of objects down to 0.1 ng (nanobalance).

Description:

One of the first mentions of the microbalance refers to 1910, when William Ramsay announced that he had developed a balance capable of determining the weight of bodies with a volume of 0.1 mm3 to an accuracy of 10-9 g (1 ng). Currently, the term "microbalance" is often used to ...

Today’s picture

term: channel

channel

Determination:

in molecular biology, elaborated pore in membranes surrounding cells and intracellular compartments.

Description:

Channels (pores) transport various substances across biological membranes, which are a natural barrier between cells and the environment. Channels are formed by protein complexes whose size can reach 120 nm. Depending on the type their ...