One of the mysteries of the English language finally explained.
A crystalline substance (especially a zeolite) with pores of molecular dimensions which permit the passage of molecules below a certain size.
- ‘Since DNA molecules have much higher molecular weights than proteins, the molecular sieve used in electrophoresis of DNA must be different as well.’
- ‘Butylated hydroxytoluene was added to the reaction mixture to prevent oxidation, and molecular sieves were added to keep the solvent dry.’
- ‘Various jelly-like substances can act as molecular sieves.’
- ‘Zeolite molecular sieves can also segregate molecules of the same size but different electrical characteristics.’
- ‘They have anchored bimetallic catalysts to the insides of such molecular sieves and have found that they can selectively hydrogenate cyclic polyenes.’
Top tips for CV writingRead more
In this article we explore how to impress employers with a spot-on CV.