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Effects of certain atmospheric pollutants (SO2, NO2 and CO) on the soluble amino acids, molecular weight and antigenicity of some airborne pollen grains.
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1986
Year
Environmental AllergyEngineeringAmino AcidsBotanyAir QualityAllergenEnvironmental ChemistryAtmospheric SciencePure Pollen GrainsToxicologyAirborne Pollen GrainsAllergyAllergic RhinitisPhytotoxicitySoluble Amino AcidsAerobiologyMicrobiologyEnvironmental ToxicologyAir PollutionMolecular WeightMedicine
The pure pollen grains of Red Oak (Quercus rubra), Meadow Fescue (Festuca elatior) and Chinese Elm (Ulmas pumila) were exposed to carbon monoxide (CO), sulphur dioxide (SO2) and nitrogen dioxide (NO2). After exposure, the soluble free amino acids were determined from the extracts using two-dimensional thin layer chromatography, and the molecular weight of the extracts were determined by SDS-gel electrophoresis (PAGE). The results indicated that after contamination, both the amino acids and molecular weight profiles were changed. In addition, the double immunodiffusion method was used against rabbit-antisera to determine the antigenicity of contaminated and non-contaminated pollen grain extracts. The results also showed that there were antigenic changes after contamination.