تصفح حسب المؤلف "Ibrahim, Mohammad Ibrahim Ahmad"
-
Database Facilitated Screening with NMR Spectroscopy Analysis for Drug Detection
Su, H.L.; Su, Haw Lih; Lee, Jeff Cheng Lung; Ibrahim, Mohammad Ibrahim Ahmad; Alsafran, Mohammed Hussain S.A.; Al-Meer, Saeed... more authors ... less authors ( IEEE , 2019 , Conference Paper)© 2019 IEEE. Drug detection plays the key role in the enforcement of drug regulations. Various detection methods for them are thus developed. However, in most investigations, the most time-consuming and tedious part is not ... -
Detecting Organic Nitrogen with 1H-15N HMBC Spectra
Su, Haw-Lih; Rajan, Rajeesha; Hijji, Yousef Mohammad; Ibrahim, Mohammad Ibrahim Ahmad; Alsafran, Mohammed Hussain S A (1,3) ( Qatar University Press , 2021 , Poster)NMR spectroscopy has been the most important tool for organic chemistry research, providing detailed structure information. While 1H and 13C NMR spectra were frequently measured, 15N NMR spectra were relatively rare, even ... -
NMR Spectroscopy Database and Searching System
Su, Haw-Lih; Teng, Huei-Wen Winsome; Lee, Jeff Cheng-Lung; Shkoor, Mohammed; Ibrahim, Mohammad Ibrahim Ahmad; Alsafran, Mohammed Hussain S A; Al-meer, Saeed H.... more authors ... less authors ( Qatar University Press , 2020 , Poster)NMR spectroscopy is the most important analytical technology for organic compounds and plays the key role for the chemical characterizations and identifications in chemistry, pharmacy, materials science, environments, ...