EPA's PM 2.5 Program Criticized
Author(s) -
P. H. Th. J. Slee,
E. A. de Bruijn,
P. Leeflang,
P. J. K. Kuppen,
L.,
van,
den Berg,
T. A.,
Oosterom
Publication year - 1998
Publication title -
environmental health perspectives
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.257
H-Index - 282
eISSN - 1552-9924
pISSN - 0091-6765
DOI - 10.2307/3434168
Subject(s) - environmental health , environmental science , environmental chemistry , chemistry , medicine
The effect of mitomycin C on two human ovarian cancer cell lines was measured during several exposure times and concentrations using the Human Tumour Colony-forming Assay (HTCA). Changes in exposure time and concentration resulted in considerable differences in tumour cell survival. It is concluded that several exposure times and concentrations are necessary for in vitro sensitivity testing. We suggest alternative criteria derived from pharmacokinetic data in patients instead of one-tenth of the peak plasma level which is the usual practice.
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