After reading this article you will learn about observing and examining micro-organisms. Observation of Microbes in Hanging Drop: This method is used for the study of motility, germination or fission of micro-organisms which is not possible when they are killed and fixed in stained preparations. For this observation the following are needed: 1. A depression slide with a circular concavity [...]
This article throws light upon the five important types of microscopes. The types are: 1. Simple Microscope 2. Compound Microscope 3. Monocular Compound Microscope and Its Parts 4. Phase-Contrast Microscope 5. Electron Microscope. Type # 1. Simple Microscope: This is a simple device similar to the convex lens used for viewing a small object that can be seen just by [...]
This article throws light upon the seven commonly used chemicals in Chemotherapy. 1. Arsenic compounds such as arsphenamine, neoarsphenamine etc. against (syphilis) caused by Treponema and sleeping sickness caused by Trypanosome, a protozoal etc. 2. Bismuth compounds such as sodium bismuth thioglycollate, bismuth salicylate etc. in treatment of syphilis. 3. Antimony compounds such as tartar emetic (antimony potassium tartrate) against [...]