This stable-labeled internal standard is suitable for quantitation of AH-7921 levels in urine or blood by LC-MS or GC/MS methods in clinical toxicology, urine drug testing, or forensic analysis applications. AH-7921 is an opioid designer drug with 80% the potency of morphine when administered orally. First discovered in 2013, AH-7921 is an active ingredient of synthetic cannabis found in Japan.
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The present study describes new procedures to obtain at millimeter resolution the spatial distribution of nitrite and nitrate in porewaters, combining diffusive equilibrium in thin films (DET), colorimetry and hyperspectral imagery. Nitrite distribution can be easily achieved by adapting the
Sigma 1 receptor (S1R) is a 223-amino-acid-long transmembrane endoplasmic reticulum (ER) protein. S1R modulates activity of multiple effector proteins and is a well-established drug target. However, signaling functions of S1R in cells are poorly understood. Here, we test the hypothesis
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