Author: vivian

In 1965, British researchers dispersed phospholipids in water and observed spherical structures under an electron microscope, naming them “liposomes” (from “lip,” meaning lipid, and “som,” meaning body). Since 1971, liposomes have been widely accepted as “biological missiles” and have become a novel drug delivery system. Various technologies have emerged, driving the rapid development of liposome…

What is Negative Staining? Negative staining is a specialized technique used in electron microscopy to prepare samples by creating a reverse contrast image. It is primarily used to observe particulate matter or biological macromolecules, this method involves spreading a sample onto a grid and applying a metal salt stain. This process results in the stain…