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 [...]
This article throws light upon the top five techniques used to obtain pure cultures of organism. The techniques are: 1. Direct Transfer Technique 2. Single-Cell Isolation Technique 3. Streak-Plate Technique 4. Dilution Technique 5. Pour-Plate Technique. 1. Direct Transfer Technique: Sometimes bacteria, yeasts, and molds may be found in pure culture under natural condition. The transfer of such cultures can [...]