CROSS-LINKED dextran (‘Sephadex’) has been shown to possess properties of a molecular sieve 1. The size limits for effective molecular sieving depend on the degree of cross-linking. Molecules or ions ...

(Nanowerk News) Using a simple solvent sieve method, researchers from the Ningbo Institute of Materials Technology and Engineering (NIMTE) have taken the lead in developing highly efficient and stable ...

Using a simple solvent sieve method, researchers from the Ningbo Institute of Materials Technology and Engineering (NIMTE) of the Chinese Academy of Sciences (CAS) have taken the lead in developing ...

(Nanowerk News) Everyone knows it from their childhood days in the sandpit: sand is filtered using a sieve. Larger stones get stuck, while fine sand can fall through the sieve. The same principle is ...

The panel identified five issues that were common to the chemical and petroleum refining industries: the availability of lower cost oxygen; methods for removing acid gases and hydrogen separations; ...