Browsing by Author "Abdelqader, Yasser"
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A Validated and Applicable Direct Injection LC/MS/MS Method of Fourteen Drugs of Abuse in Urine Samples to Avoid the False Positive/Negative Results of Immunoassay Techniques in Forensic Cases
Mahdy, Tarek; Al-Sulaiti, Abdulaziz; Abdelqader, Yasser; Fikry, Abdelrahman; Hag, Gaffar; Ahmad, Mohammad I.... more authors ... less authors ( Qatar University Press , 2020 , Poster)Many false positive and false negative results have been detected in immunoassay analyses of drugs of abuse in urine samples. A method of direct injection of diluted urine into LC/MS/MS was developed and validated for ...