Nanoparticles from welding and their effects on health
Authors:
M. Hurbánková 1; D. Hrašková 1; J. Marcišiaková 2; K. Kysucká 2; Š. Moricová 1
Authors place of work:
Slovenská zdravotnícka univerzita v Bratislave, Fakulta verejného zdravotníctva, Ústav pracovnej zdravotnej služby, Bratislava, Slovensko, dekan fakulty doc. MUDr. Štefánia Moricová, PhD., MPH, mim. prof.
1; Medicínsko-preventívna s. r. o., Hnúšťa, Slovensko
2
Published in the journal:
Pracov. Lék., 67, 2015, No. 1, s. 12-17.
Category:
Review Article
Summary
Introduction:
The work deals with the latest nowledge of nanoparticles from welding in terms of their properties and effects on health. Although certain industrial processes driving nanocompound (e.g., carbon black, fumes from welding, etc.) exist for decades, occupational exposure data, including the size and amount of particles in the workplace and their biological effects are less well known.
The mechanism of nanoparticles of welding:
High temperatures during welding fumes generated by welding particles, radiation, noise and fumes. The particles of welding fumes contain a large percentage of nanoparticles. Metal vaporized from a thermal oxidation process of welding to gas-contains particles of metal such as aluminum, cadmium, chromium, copper, many of which are soluble in water. Exact composition of the vapor from welding is depends on the metal comprising the electrode.
Health effects:
Fumes from welding produces strong pro-inflammatory effects. These effects are caused predominantly from metals, which undergo redox - cyclisation and lead to oxidative stress. Exposure to vapors from welding is associated with lung disease. These include: a decrease in lung function, increased airway reactivity, bronchitis, fibrosis, cancer and increased risk of respiratory tract infection.
Conclusion:
Toxicity, mechanism of action of nanoparticles from welding on the body, as well as pathomechanism of many respiratory diseases after welding fume exposure – remain unknown and therefore, for this reason is increasing interest in the comprehensive assessment of the their risk / safety.
Keywords:
nanoparticles from the welding – lung disease developed from the welding fume exposure – mechanism of action as a result of oxidative stress
Zdroje
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Štítky
Hygiene and epidemiology Hyperbaric medicine Occupational medicineČlánok vyšiel v časopise
Occupational Medicine
2015 Číslo 1
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