Urine drug testing is frequently used in clinical, employment, educational, and legal settings
and misinterpretation of test results can result in significant adverse consequences for the …

Drug testing, commonly used in health care, workplace, and criminal settings, has become
widespread during the past decade. Urine drug screens have been the most common …

A smartphone-based colorimetric reader (SBCR) was developed using a Samsung Galaxy
SIII mini, a gadget (iPAD mini, iPAD4 or iPhone 5s), integrated with a custom-made dark …

This protocol describes an improved and optimized approach to develop rapid and high-
sensitivity ELISAs by covalently immobilizing antibody on chemically modified polymeric …

A rapid, homogeneous aptamer-based bioanalysis is reported for the sensitive detection of
immunoglobulin E (IgE) using fluorescence polarization (FP). 5 '-End-labeled D17. 4 DNA …

A highly sensitive and rapid sandwich enzyme-linked immunosorbent assay (ELISA)
procedure was developed for the detection of human fetuin A/AHSG (α2-HS-glycoprotein), a …

Reports of prolonged drug excretion have provided the basis for the common assumption
that cannabinoid metabolites may be detected in urine for a week or longer. The accuracy …

BACKGROUND Data are limited on the use and outcomes of urine drug tests (UDTs) among
patients with advanced cancer. The main objective of this study was to determine the factors …

Toxicology is “the science of poisons”; more specifically the chemical and physical
properties of poisons, their physiological or behavioral effects on living organisms …

An ultra-performance liquid chromatography time-of-flight mass spectrometry (UPLC–TOF-
MS) method for simultaneous screening of 46 medicinal drugs and drugs of abuse in whole …