Apart from making films of the test material, autoradiography can directly be measured by various counters like Geiger-Muller counter and Scintillation Counter. While counting the back ground count should also be considered. Counter # 1. Geiger-Muller Counter: It is made of a glass or metal tube containing a mixture of gases, an inert gas like helium or argon and an [...]
In this article we will discuss about the characteristics of phylloplane microflora. Since phylloplane microflora is exposed into the environment, it is constantly influenced by meteorological factors. Therefore, microflora develop certain characteristic features so that it can cope with environment: (i) Morphological Characteristics: The phylloplane inhabitants possess morphological characteristics for their survival. These include the development of pigment in their [...]
The following points highlight the six main techniques which are used to develop for the isolation of pure culture from mixed culture. The techniques are: 1. Use of Micromanipulator 2. Isolation by Exposure to Air 3. Isolation by Streaking or Streak Plate Technique 4. Isolation by Inoculating in Animals 5. Isolation by Using Selective or Enrichment Media 6. Other Methods [...]