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Quality control solutions were prepared in the concentration of 1, 2, 20 and 120 µg/mL for plasma and 25, 40, 200 and 1200 for urine.
An exact amount was subsequently prepared as dilutions in the optimized mobile phase to make a set of calibration and quality control solutions.
The working quality control solutions in methanol for plasma analysis were made by serial dilution of the stock solutions to obtain final concentrations of 10, 20, 44, 600 and 1600 ng/mL.
Two kinds of quality control solutions were provided in each kit.
The quality control solutions were placed on a magnetic stirrer overnight to mix thoroughly, and aliquots were frozen at −80°C until use.
Following the manufacturer's instructions we used low (1.0 1.6 mM/l) and high (4.0 5.4 mM/l) quality control solutions to ensure the lactate analyzer was operating properly at the beginning of each data collection session.
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The instrument drift was corrected by running a quality control solution every two to three analyses.
After introducing the proposed overall quality control system in Section 4, Section 5 presents the quality control solution proposed for the key frames while Section 6 presents the quality control solution proposed for the Wyner-Ziv frames.
These figures allow concluding that the proposed quality control solution does not significantly change the status quo in terms of encoding complexity.
This section intends to report the performance of the proposed overall quality control solution this means the integration of the key frames quality control and the WZ frames quality control mechanisms proposed above.
Since no quality control solution is available in literature for transform domain WZ video coding, this paper will propose an efficient and effective dynamic solution to guarantee a target uniform video quality for transform domain WZ video coding.
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