In this article we will discuss about aeropalynological survey in India and in abroad. 1. Aeropalynological Survey In Abroad: Systematic aeropalynological survey is carried out in various parts of the world. A list of scientists is given below (Table 10.3) who extensively surveyed the airborne allergic pollen in atmosphere. The distributional pattern of the atmospheric pollen grains with their peak [...]
The following points highlight the four main types of diagnoses of allergy. The types are: 1. Case History 2. Skin Testing 3. Provocation Test 4. Diagnosis of Allergy based on Total and Specific IgE Determinations. Type # 1. Case History: The case history holds a central position in allergy investigations. In order to get a comprehensive idea about the source [...]
The following points highlight four sampler that are conventionally used for trapping pollen grains. The samplers are: 1. Rotorod Sampler 2. Burkard Personal Volumetric Sampler 3. Burkard Seven Day Volumetric Sampler 4. Andersen Two Stage Sampler. 1. Rotorod Sampler: The rotorod sampler (Fig.10.10) was originally devised by Perkins (1957) and has been somewhat modified by Harrington (1959). The device relies [...]