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Nelson Jeng-Yeou Chear
Nelson Jeng-Yeou Chear
Centre for Drug Research, Universiti Sains Malaysia
Verified email at usm.my
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Cited by
Cited by
Year
Investigation of the adrenergic and opioid binding affinities, metabolic stability, plasma protein binding properties, and functional effects of selected indole-based kratom …
S Obeng, SH Kamble, ME Reeves, LF Restrepo, A Patel, M Behnke, ...
Journal of medicinal chemistry 63 (1), 433-439, 2019
1092019
Patterns and reasons for kratom (Mitragyna speciosa) use among current and former opioid poly-drug users
D Singh, NJY Chear, S Narayanan, F Leon, A Sharma, CR McCurdy, ...
Journal of ethnopharmacology 249, 112462, 2020
772020
Simultaneous quantification of ten key Kratom alkaloids in Mitragyna speciosa leaf extracts and commercial products by ultra‐performance liquid chromatography …
A Sharma, SH Kamble, F León, NJY Chear, TI King, EC Berthold, ...
Drug testing and analysis 11 (8), 1162-1171, 2019
752019
Cholinesterase inhibitory activity and chemical constituents of Stenochlaena palustris fronds at two different stages of maturity
NJY Chear, KY Khaw, V Murugaiyah, CS Lai
journal of food and drug analysis 24 (2), 358-366, 2016
692016
Evaluating the hematological and clinical-chemistry parameters of kratom (Mitragyna speciosa) users in Malaysia
D Singh, CP Müller, V Murugaiyah, SBS Hamid, BK Vicknasingam, ...
Journal of ethnopharmacology 214, 197-206, 2018
632018
Self-reported prevalence and severity of opioid and kratom (Mitragyna speciosa korth.) side effects
A Saref, S Suraya, D Singh, O Grundmann, S Narayanan, MT Swogger, ...
Journal of ethnopharmacology 238, 111876, 2019
572019
Motives for using Kratom (Mitragyna speciosa Korth.) among regular users in Malaysia
D Singh, S Narayanan, CP Müller, MT Swogger, NJY Chear, EB Dzulkapli, ...
Journal of ethnopharmacology 233, 34-40, 2019
542019
Exploring the Chemistry of Alkaloids from Malaysian Mitragyna speciosa (Kratom) and the Role of Oxindoles on Human Opioid Receptors
NJY Chear, F León, A Sharma, SRR Kanumuri, G Zwolinski, KA Abboud, ...
Journal of natural products 84 (4), 1034-1043, 2021
522021
Polyphenols rich fraction of Dicranopteris linearis promotes fibroblast cell migration and proliferation in vitro
Y Ponnusamy, NJY Chear, S Ramanathan, CS Lai
Journal of ethnopharmacology 168, 305-314, 2015
412015
Chemical Composition, Antioxidant and Cytoprotective Potentials of Carica papaya Leaf Extracts: A Comparison of Supercritical Fluid and Conventional Extraction …
BK Khor, NJY Chear, J Azizi, KY Khaw
Molecules 26 (5), 1489, 2021
352021
Assessment of gonadotropins and testosterone hormone levels in regular Mitragyna speciosa (Korth.) users
D Singh, V Murugaiyah, SBS Hamid, V Kasinather, MSA Chan, ETW Ho, ...
Journal of Ethnopharmacology 221, 30-36, 2018
262018
Kratom alkaloids: Interactions with enzymes, receptors, and cellular barriers
NA Hanapi, NJY Chear, J Azizi, SR Yusof
Frontiers in Pharmacology 12, 751656, 2021
232021
Is kratom (Mitragyna speciosa Korth.) use associated with ECG abnormalities? Electrocardiogram comparisons between regular kratom users and controls
MFI Leong Abdullah, KL Tan, S Narayanan, N Yuvashnee, NJY Chear, ...
Clinical Toxicology 59 (5), 400-408, 2021
23*2021
Plant terpenoids as the promising source of cholinesterase inhibitors for anti-AD therapy
S Lai Shi Min, SY Liew, NJY Chear, BH Goh, WN Tan, KY Khaw
Biology 11 (2), 307, 2022
212022
The development of callus and cell suspension cultures of Sabah Snake Grass (Clinacanthus nutans) for the production of flavonoids and phenolics
FJ Bong, NJY Chear, S Ramanathan, N Mohana-Kumaran, ...
Biocatalysis and Agricultural Biotechnology 33, 101977, 2021
202021
Combinations of indole based alkaloids from Mitragyna speciosa (Kratom) and cisplatin inhibit cell proliferation and migration of nasopharyngeal carcinoma cell lines
G Domnic, NJY Chear, SFA Rahman, S Ramanathan, KW Lo, D Singh, ...
Journal of ethnopharmacology 279, 114391, 2021
192021
Antioxidant and antibacterial properties of Malaysian ferns used traditionally against infection
Y Ponnusamy, NJY Chear, S Ramanathan, V Murugaiyah, CS Lai
J. Nat. Prod. Plant Resour 3 (6), 14-18, 2013
192013
Lipid profile of regular kratom (Mitragyna speciosa Korth.) users in the community setting
MFI Leong Bin Abdullah, KL Tan, S Mohd Isa, NS Yusoff, NJY Chear, ...
PloS one 15 (6), e0234639, 2020
172020
Chemical composition, antiproliferative and antioxidant attributes of ethanolic extract of resinous sediment from Etlingera elatior (Jack.) inflorescence
MA Al-Mansoub, M Asif, V Revadigar, MA Hammad, NJY Chear, ...
Brazilian Journal of Pharmaceutical Sciences 57, e18954, 2021
132021
Free Radical Scavenging and Cytotoxic Properties of Acylated and Non-Acylated Kaempferol Glycosides from Stenochlaena Palustris: a Perspective on Their …
NJY Chear, AN Fauzi, KY Khaw, SB Choi, NS Yaacob, CS Lai
Pharmaceutical Chemistry Journal 53, 188-193, 2019
132019
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