Concentrations of the major birch tree allergen Bet v 1 in pollen and respirable fine particles in the atmosphere  George F. Schäppi, PhD, Cenk Suphioglu,

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Concentrations of the major birch tree allergen Bet v 1 in pollen and respirable fine particles in the atmosphere  George F. Schäppi, PhD, Cenk Suphioglu, PhD, Philip E. Taylor, BSc, R.Bruce Knox, DSc  Journal of Allergy and Clinical Immunology  Volume 100, Issue 5, Pages 656-661 (November 1997) DOI: 10.1016/S0091-6749(97)70170-2 Copyright © 1997 Mosby, Inc. Terms and Conditions

Fig. 1 Comparison of birch pollen count and Bet v 1 concentration in atmospheric samples and meteorologic parameters in Melbourne (October 16 through November 12, 1996). A, Total Bet v 1 concentrations and corresponding birch pollen counts. B, Bet v 1 concentrations in two particle size fractions (larger and smaller than 7.2 μm). C, Rainfall and average temperature. Bet v 1 data for October 20 and November 3 are not available. Journal of Allergy and Clinical Immunology 1997 100, 656-661DOI: (10.1016/S0091-6749(97)70170-2) Copyright © 1997 Mosby, Inc. Terms and Conditions

Fig. 2 Bet v 1 concentrations in two particle size fractions under various environmental conditions in Melbourne (October 16 through November 12 1996). Represented are mean values of Bet v 1 concentrations on days with heavy rain (>1 mm) and first dry days after heavy rain (A, n = 8); Second and following dry days after heavy rain (B, n = 5); days with light rain (<1 mm) and first dry days after light rain (C, n = 8); and second and following dry days after light rain (D, n = 5). Journal of Allergy and Clinical Immunology 1997 100, 656-661DOI: (10.1016/S0091-6749(97)70170-2) Copyright © 1997 Mosby, Inc. Terms and Conditions

Fig. 3 Pollen counts per cubic meter compared with the calculated pollen equivalents per cubic meter of the Bet v 1 concentrations of particles larger than 7.2 μm and particles smaller than 7.2 μm in Melbourne (October 16 through November 12 1996). Journal of Allergy and Clinical Immunology 1997 100, 656-661DOI: (10.1016/S0091-6749(97)70170-2) Copyright © 1997 Mosby, Inc. Terms and Conditions