THE need frequently arises for the sampling of bacterial cultures during aerated growth, or of non-proliferating bacterial suspensions in the course of metabolic studies under aerated conditions.

Much of what cell biologists know comes from studying populations of cells. Yet “no two cells are alike,” says Nader Pourmand, a biomolecular engineer at the University of California, Santa Cruz. To ...

Lots of precision and concentration are needed while using pipettes in laboratories. Pipettes are usually used to perform reactions that involve chemical reagents. Working with chemicals always ...