Gérald Litzistorf

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Urine samples from 10 workers from an asbestos cement factory and from a control group of 10 workers from a foundry, were obtained; drastic precautions were taken to avoid contamination. Each urinary mineral fibre was sized and identified by transmission electron microscopy. Results show that contamination problems encountered by other authors have been(More)
T rad i t i onne l lement , l ' e x p o s i t i o n p ro fess ionne l le aux f ib res d 'amiante est mesur~e par la m~thode opt ique contraste de phase. Les f i b r e s , pr~lev~es sur un f i l t r e en esters de c e l l u l o s e , sont compt~es apr~s montage, & l ' a i d e d'un microscope ~ cont ras te de phase. Sont compt~s comme f i b res t o u s l e s(More)
Contact lists, Emails, SMS or custom applications on a professional smartphone could hold very confidential or sensitive information. What could happen in case of theft or accidental loss of such devices? Such events could be detected by the separation between the smartphone and a Bluetooth companion device. This event should typically block the(More)
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