Good Laboratory Practice (GLP) – Overview [PDF]

Good Laboratory Practice (GLP) - Overview [PDF]

GLP is a formal regulation created by the USFDA as these regulations were proposed on November 19, 1976, and designated as a new part of Chapter 21 of the Code of Federal Regulations (CFR) as 21 CFR Part 58 in 1979. In 1981 an organization named OECD (Organization for Economic Cooperation and Development) produced GLP principles that are international standards.

Electron Microscopy – Specimen Preparation, Types, and Application

Electron Microscopy - Specimen Preparation, Types, and Application

The electron microscope was developed during the 1930s by Ernst Ruska and was first applied to biological specimens by Albert Claude, Keith Porter, and George Palade. The use of electron beams to deflect and focus that beam using electrostatic and magnetic coils or lenses is the basic principle of an electron microscope.