Baekeland discovered that carefully controlling the speed of the reaction between phenol and formaldehyde produced a mouldable resin. Mark describes the structure of Bakelite and how the links ...

Phenol-formaldehyde resins, in which the role of cross-linking reactions is rather less clear, were surveyed by Mr. E. G. K. Pritchett. My thanks are due to the board of the British Rubber ...

Cells are homogenized in guanidinium thiocyanate and the RNA is purified from the lysate by extraction with phenol-chloroform at reduced pH 1. This method allows many samples to be processed ...