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Air Quality Criteria for Lead Volume II of II - (NEPIS)(EPA) - US ...

Air Quality Criteria for Lead Volume II of II - (NEPIS)(EPA) - US ...

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AX5-183<br />

Table AX5-10.8 (cont’d). <strong>Lead</strong> and Intestinal Uptake—Effect on Ultrastructure, Motility, Transport, and Miscellaneous<br />

Compound and<br />

Concentration Duration Species Blood <strong>Lead</strong> Effects a Authors<br />

40 µM–240 µM Tri ethyl<br />

Pb added in a cumulative<br />

manner in vitro to midileal<br />

portion.<br />

a CYP—Cytochrome P-450<br />

7.5 sec–2 min Swiss mice JVI1<br />

ileum<br />

— 1. Peristaltic contractile activity <strong>of</strong> ileum as measured as a change in<br />

period duration and <strong>for</strong>ce amplitude indicated that tri ethyl Pb (TEL)<br />

concentrations <strong>of</strong>

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