Arthur P. S. Lau

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AIMS To investigate the physical characteristics and the bactericidal and sporicidal potential of a polymer-encapsulated ClO(2) coating. METHODS AND RESULTS An antimicrobial coating based on polymer-encapsulated ClO(2) was developed. A low viscosity, water/oil/water double emulsion coating was formulated for easy on-site application. Escherichia coli,(More)
Atmospheric accretion reactions of octanal with sulfuric acid as a catalyst were investigated in bulk liquid-liquid experiments and gas-particle experiments. In bulk studies, trioxane, alpha,beta-unsaturated aldehyde, and trialkyl benzene were identified by gas chromatography-mass spectrometry as major reaction products with increasing sulfuric acid(More)
BACKGROUND Despite the popular use of household cleaning products worldwide, there is no published study investigating the health effects of these products on rhinitis in children. OBJECTIVE We sought to investigate the household use of cleaning products and rhinitis patterns in Chinese children. METHODS A total of 2299 children were recruited from 21(More)
We investigated the condensed-phase reactions of biogenic VOCs with C double bond C bonds (limonene, C(10)H(16), and terpineol, C(10)H(18)O) catalyzed by sulfuric acid by both bulk solution (BS) experiments and gas-particle (GP) experiments using a flow cell reactor. Product analysis by gas chromatography-mass spectrometry (GC-MS) showed that cationic(More)
This study was to investigate the association between dietary patterns and rhinitis in primary school children. 1,599 students without rhinitis at baseline survey were selected from a primary school children cohort. Information on food consumption, respiratory symptoms, and confounders was collected using questionnaires. Dietary patterns were defined using(More)
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