Ahai C. Lua
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View article: Modification of the Syva Emit® st® Urine Amphetamine Assay
Modification of the Syva Emit® st® Urine Amphetamine Assay Open
The Syva Emit® st® Urine Amphetamine Assay qualitatively determines the presence of urine amphetamine, one sample at a time. In each test, one sample and one calibrator are always assayed together to compare the reaction rates. This method…
View article: Evaluation of immunoassays for the determination of MDMA and cannabinoids in urine samples
Evaluation of immunoassays for the determination of MDMA and cannabinoids in urine samples Open
Methylenedioxymethamphetamine (MDMA) is structurally related to methamphetamine (MA). There are many different commercially available immunoassay (IA) reagents for the initial screening of amphetamine and/or methamphetamine. These reagents…
View article: Drugs of abuse pattern in Taiwan
Drugs of abuse pattern in Taiwan Open
Methamphetamine and heroin are the two most important drugs of abuse in Taiwan. In order to investigate whether other drugs are also abused here, we collected samples from high-risk groups. To study whether the pattern of drugs abuse varie…
View article: A fast GC-MS screening procedure for ketamine and its metabolites in urine samples
A fast GC-MS screening procedure for ketamine and its metabolites in urine samples Open
The rapid increase of ketamine abuse worldwide has created a need for a fast and efficient screening procedure. Currently, there is no commercially available immunoassay. We developed a simple extraction and GC/MS screening procedure to sc…
View article: The Alpha-2A Adrenergic Receptor Gene -1291C/G Single Nucleotide Polymorphism is Associated with the Efficacy of Methylphenidate in Treating Taiwanese Children and Adolescents with Attention-Deficit Hyperactivity Disorder
The Alpha-2A Adrenergic Receptor Gene -1291C/G Single Nucleotide Polymorphism is Associated with the Efficacy of Methylphenidate in Treating Taiwanese Children and Adolescents with Attention-Deficit Hyperactivity Disorder Open
The ADRA2A gene -1291C/G SNP is associated with the efficacy of MPH for the treatment of ADHD in Taiwanese children and adolescents. The responsive subjects bearing homozygous -1291G allele are more likely to have a better response to MPH …
View article: Effects of a school-based substance use prevention program on students in Malaysia
Effects of a school-based substance use prevention program on students in Malaysia Open
Background: The rise in substance-use-related problems among Malaysian adolescents called for a study to assess the efficacy of an anti-drug educational program to improve the knowledge, attitude and perception (KAP) of Malaysian students …