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The Technion Center of Excellence in Exposure Science and Environmental Health
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Past Projects

Unsaturated aldehydes cause reduction of salivary LDH enzyme activity

Volatile aldehydes and reactive nitrogen species (RNS) are important oxidative agents in cigarette smoke (CS). The smoke constitutes one of the largest environmental sources of saturated (e.g. acetaldehyde) and unsaturated aldehydes (e.g. acrolein) and RNS (nitric oxide and peroxynitrite).

Kinetics of chemical changes in saliva exposed to tobacco smoke

Saliva is the first biological fluid to encounter tobacco smoke constituents upon exposure. Thus, the chemical effects of whole tobacco smoke on a saliva model protein, amylase, are being investigated using ATR-FTIR.

Decontamination of toxic residues on surfaces via in situ photo-oxidation

The use of hydroxyl radicals to decontaminate chemical warefare agents (WA) on surfaces is being investigated. In-situ formation of the short lived radicals using UV light and humidified air is being optimized to decontaminate the organophosphate pesticide profonofus, a VX surrogate.

Atherosclerosis indicators of exposure to SiO2 nanoparticles

Nanoparticle research has focused on their toxicity in general, while increasing evidence points to additional specific adverse effects on atherosclerosis development.

Adsorption and desorption of environmental tobacco smoke (ETS) in the indoor environment

One of the major pollutants in the indoor environment is environmental tobacco smoke (ETS).