Furthermore, glucose, AST, ALT, creatinine, and cortisol increased significantly with increasing Zn concentration and exposure time, with maximal values at 56 days.
Furthermore, glucose, aspartate aminotransferase (AST), alanine aminotransferase (ALT), creatinine, and cortisol increased significantly with increasing Zn concentrations and exposure time, with maximal values in the 7.0 mg Zn L−1 treatment after 6 weeks.
For instance, glucose, AST, ALT, creatinine, and cortisol increased significantly (P < 0.05) with increasing Zn concentration and exposure time, with maximal values of glucose, AST, ALT, creatinine, and cortisol observed in the 7.0 mg Zn L−1 treatment after 6 weeks (143.8 mg dL−1, 81.4, 59.2 IU dL−1, 0.79 mg dL−1, and 9.39 μg dL−1, respectively; Table 3).
By definition, the "half maximal effective concentration (EC50) refers to the concentration of a drug, antibody or toxicant which induces a response halfway between the baseline and maximum after some specified exposure time.
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The maximal effect has been revealed for the sample exposure time of 3 min (curve 3).
This relatively short exposure time was sufficient to induce a maximal effect; further exposure for up to one hour did not result with further AHP reduction (figure 1B).
The heat intensity was set at 50% of maximal intensity, and maximal exposure to the radiant heat stimulus was 5 s ("cutoff time") to avoid burn injuries.
The maximal quantum efficiency of PS II Fv /Fm in C. polykrikoides decreased considerably with increasing CuSO4 exposure time.
Data were collected until the mid-range of the linear scale was reached (600 to 60,000 counts) or until maximal exposure settings were reached (f stop 1, large binning and 120 s) and were then converted to photons/s/cm2/steradian to normalize each image for exposure time, f stop, binning and animal size.
