Darshan Singh

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Public Perceptions toward Kratom (Mitragyna Speciosa) Use in Malaysia

S. Narayanan, O. Griffin, M. Swogger, 2020, Journal of psychoactive drugs.

Kratom policy: The challenge of balancing therapeutic potential with public safety

B. Avery, J. Henningfield, E. Boyer, 2019, The International journal on drug policy.

Long-Term Cognitive Effects of Kratom (Mitragyna speciosa Korth.) Use

Eric Tatt Wei Ho, M. Yücel, S. Narayanan, 2018, Journal of psychoactive drugs.

Traditional and non-traditional uses of Mitragynine (Kratom): A survey of the literature

S. Narayanan, B. Vicknasingam, Darshan Singh, 2016, Brain Research Bulletin.

Social Functioning of Kratom (Mitragyna speciosa) Users in Malaysia

C. Müller, B. Vicknasingam, S. Mansor, 2015, Journal of psychoactive drugs.

Emerging Trends in Drugs, Addictions, and Health Exploring the use of Kratom ( Mitragyna speciosa ) via the YouTube data tool: A novel netnographic analysis

J. Ramaekers, K. Kuypers, O. Corazza, 2021 .

IN VITRO ANTIMICROBIAL ACTIVITY OF HIMALAYAN MEDICINAL PLANT

S. Sati, Darshan Singh, M. D. Sati, 2017 .

Brain Magnetic Resonance Imaging of Regular Kratom (Mitragyna speciosa Korth.) Users: A preliminary study

Eric Tatt Wei Ho, M. Yücel, Y. Chye, 2018 .

Evaluating the hematological and clinical-chemistry parameters of kratom (Mitragyna speciosa) users in Malaysia.

B. Avery, S. Hamid, C. Müller, 2018, Journal of ethnopharmacology.

Treatment Compliance among Incarcerated and Fined Amphetamine-Type-Stimulant (ATS) Users in a Community Supervision Programme in Malaysia: A Preliminary Study

S. Narayanan, O. Griffin, B. Vicknasingam, 2020 .

Examining Media Coverage of Drugs in Malaysian Media

S. Narayanan, V. Griffin, Darshan Singh, 2021, Asian Journal of Criminology.

Assessment of Cardiovascular Functioning Among Regular Kratom (Mitragyna speciosa Korth) Users: A Case Series

Darshan Singh, Mohammad Farris Iman Leong Bin Abdullah, 2021, Frontiers in Pharmacology.

ANTIOXIDANT AND ANTIMICROBIAL ACTIVITY OF GRANGEA MADERASPATANA (L.) POIR. EXTRACT

V. Pande, A. Panwar, C. Mathela, 2013 .

Erectile Dysfunction among People Who Use Ketamine and Poly-Drugs

S. Narayanan, B. Vicknasingam, Darshan Singh, 2016, Journal of psychoactive drugs.

Rapid spheroid assays in a 3-dimensional cell culture chip

J. Teh, Nelson Jeng Yeou Chear, Darshan Singh, 2020, BMC research notes.

Socio-demographic Characteristics, Kratom Use and Quality of Life (QoL) of Regular Kratom (Mitragyna speciosa Korth.) Users

S. Narayanan, B. Vicknasingam, M. F. Abdullah, 2019 .

Regular Kratom (Mitragyna speciosa Korth.) Use and Its Association With Endoplasmic Reticulum Stress Response

Darshan Singh, S. Hamid, Meiyu Tan, 2022, Journal of addiction medicine.

Chemical composition of volatile extract of Gnaphaliumluteo-album l. Its and its antibacterial activity

Ganga Bisht, Darshan Singh, 2015 .

Kratom (Mitragyna speciosa Korth.) an overlooked medicinal plant in Malaysia

S. Narayanan, Darshan Singh, Nethia Mohana-Kumaran, 2021, Journal of Substance Use.

Changing trends in the use of kratom (Mitragyna speciosa) in Southeast Asia

S. Narayanan, R. Santacroce, O. Corazza, 2017, Human psychopharmacology.

A study of antibacterial efficacy of Alpinia galangal extracts against Staphylococcus aureus, Staphylococcus epidermidis and Listeria monocytogenes

M. Paramasivam, Nelson Jeng Yeou Chear, Darshan Singh, 2019 .

Improved sexual functioning of long-term daily users of Mitragyna speciosa (Korth.)

M. Chawarski, O. Grundmann, V. Murugaiyah, 2020 .

Lethal and sublethal effects of different ecotypes of Melia azedarach against Plutella xylostella (Lepidoptera: Plutellidae)

Vishaldeep Kaur, Gursharan Singh, Darshan Singh, 2006 .

Epidemiology of dermatophyte infection in Auckland, New Zealand

A. Morris, K. Rogers, Darshan Singh, 2003, The Australasian journal of dermatology.

Symptom prevalence in a cohort of 147 patients improved with the homoeopathic medicine Ocimum canum: A multicenter, open, observational, clinical verification study

Subhranil Saha, M. Koley, R. Manchanda, 2016 .

Chemical composition and antifungal activity of essential oils from three Himalayan Erigeron species

Vinod Kumar, K. Bisht, A. Tewari, 2014 .

Antifungal activity of Nepeta elliptica Royle ex Benth. oil and its major constituent (7R)-trans,trans-nepetalactone: A comparative study

Vinod Kumar, C. Mathela, G. Tewari, 2014 .

Studies on the economic threshold level of mustard aphid Lipaphis erysimi (Kaltenbach) on the radish seed crop in India

Darshan Singh, D. Bath, 1989 .

Novel Psychoactive Substances—Recent Progress on Neuropharmacological Mechanisms of Action for Selected Drugs

E. Seifritz, J. Kornhuber, O. Bosch, 2017, Front. Psychiatry.

Microwave-assisted synthesis of silver nanoparticles from Origanum majorana and Citrus sinensis leaf and their antibacterial activity: a green chemistry approach

Isha, D. Rawat, Darshan Singh, 2016, Bioresources and Bioprocessing.

Chemical and Potential Biological Perspectives of Genus Sarcococca (Buxaceae)

Gurpreet Kaur, S. Sati, Darshan Singh, 2015 .

Field incidence of cucurbit fruit-fly (Dacus cucur-butae Coq.) on different cultivars of bitter-gourd at Ludhiana (Punjab)

Darshan Singh, M. Ramzan, S. S. Gill, 1977 .

Factors associated with intimate partner violence and barriers to reporting it, among female who use drugs in Malaysia

A. Azman, S. Narayanan, B. Vicknasingam, 2021, Drugs: Education, Prevention and Policy.

Fentanyl-Induced Chest Wall Rigidity as a Cause of Acute Respiratory Failure in the Intensive Care Unit

Darshan Singh, Peh Wee Ming, 2019, Journal of medical cases.

Patterns and reasons for kratom (Mitragyna speciosa) use among current and former opioid poly-drug users.

B. Avery, S. Narayanan, C. McCurdy, 2019, Journal of ethnopharmacology.

Kratom (Mitragyna speciosa) dependence, withdrawal symptoms and craving in regular users.

Darshan Singh, C. Müller, B. Vicknasingam, 2014, Drug and alcohol dependence.

Methamphetamine use and misconceptions among primary and private Methadone Maintenance Treatment (MMT) program attendees in Klang Valley, Malaysia

S. Narayanan, B. Vicknasingam, Darshan Singh, 2020 .

Exploring the Chemistry of Alkaloids from Malaysian Mitragyna speciosa (Kratom) and the Role of Oxindoles on Human Opioid Receptors.

K. Abboud, S. Ramanathan, C. McCurdy, 2021, Journal of natural products.

The Use of Benzodiazepines among Kratom (Mitragyna Speciosa Korth.) Users

S. Narayanan, E. Boyer, O. Grundmann, 2020, Journal of psychoactive drugs.

Substance Abuse and the HIV Situation in Malaysia.

R. Schottenfeld, M. Chawarski, B. Vicknasingam, 2013, Journal of food and drug analysis.

Prevalence of Amphetamine-Type Stimulants (ATS) use among clients in primary and private Methadone Maintenance Treatment (MMT) program in Kuantan, Malaysia

S. Narayanan, B. Vicknasingam, Darshan Singh, 2019, Journal of Substance Use.

Factors affecting addiction severity index (ASI) among clients enrolled in methadone maintenance treatment (MMT) program in Myanmar

B. Vicknasingam, Darshan Singh, S. Tun, 2021, Harm Reduction Journal.

Higher methadone dose reduces risky drug injecting behaviours among methadone clients in Myanmar

B. Vicknasingam, Darshan Singh, S. Tun, 2021, Emerging Trends in Drugs, Addictions, and Health.

Mandatory corporal punishment and its consequences on repeat drug offenders in Malaysia: Call to action.

S. Narayanan, Darshan Singh, 2021, The International journal on drug policy.

Treatment Barriers Associated with Amphetamine-Type Stimulant (ATS) Use in Malaysia

S. Narayanan, B. Vicknasingam, Darshan Singh, 2021, Journal of psychoactive drugs.

Effects of kratom (Mitragyna speciosa Korth.) in reducing risk-behaviors among a small sample of HIV positive opiate users in Malaysia

S. Narayanan, B. Vicknasingam, Darshan Singh, 2020, Journal of ethnicity in substance abuse.

Decriminalization of drug use

S. Narayanan, M. Chawarski, B. Vicknasingam, 2018, Current opinion in psychiatry.

The Use of Kratom (Mitragyna speciosa Korth.) Among People Who Co-use Heroin and Methamphetamine in Malaysia

J. Henningfield, S. Narayanan, O. Corazza, 2021, Journal of addiction medicine.

Motives and Perceptions of Cannabis Use among a Sample of Employed Graduates in Malaysia: A Qualitative Study

S. Narayanan, B. Vicknasingam, Darshan Singh, 2021 .

Client satisfaction to methadone maintenance treatment program in Myanmar

B. Vicknasingam, Darshan Singh, N. Wai, 2022, Substance Abuse Treatment, Prevention, and Policy.

The relationship between amphetamine-type stimulant (ATS) use and violent crime in Penang, Malaysia: findings from a preliminary study

S. Narayanan, B. Vicknasingam, Darshan Singh, 2020 .

Motives for using Kratom (Mitragyna speciosa Korth.) among regular users in Malaysia.

S. Narayanan, M. Swogger, C. Müller, 2019, Journal of ethnopharmacology.

Following “the Roots” of Kratom (Mitragyna speciosa): The Evolution of an Enhancer from a Traditional Use to Increase Work and Productivity in Southeast Asia to a Recreational Psychoactive Drug in Western Countries

G. Martinotti, Z. Demetrovics, F. S. Bersani, 2015, BioMed research international.

Determination of economic threshold of cotton jassid, Amrasca biguttula biguttula (Ishida) on okra.

Darshan Singh, M. Ramzan, O. S. Bindra, 1982 .

Comparative development and seasonal abundance of hadda beetle, Henosepilachna vigintioctopunctata (Fabr.) on some solanaceous host plants.

Gurdip Singh, Darshan Singh, M. Ramzan, 1990 .

Field Evaluation of Some New Insecticides against the Tomato Fruit-Borer, Heliceverpa Armigera (Hubner)

Darshan Singh, M. Ramzan, D. S. Bindra, 1976 .

Is kratom (Mitragyna speciosa Korth.) use associated with ECG abnormalities? Electrocardiogram comparisons between regular kratom users and controls

J. Henningfield, S. Narayanan, O. Grundmann, 2020, Clinical toxicology.

Severity of Kratom (Mitragyna speciosa Korth.) Psychological Withdrawal Symptoms

S. Narayanan, M. Swogger, C. Müller, 2018, Journal of psychoactive drugs.

Severity of Pain and Sleep Problems during Kratom (Mitragyna speciosa Korth.) Cessation among Regular Kratom Users

S. Narayanan, S. Ramanathan, H. Zainal, 2018, Journal of psychoactive drugs.

Characterization of urinary protein profile in regular kratom (Mitragyna speciosa korth.) users in Malaysia

E. Boyer, L. Gam, Z. Hassan, 2021, Journal of addictive diseases.

Combinations of Indole based alkaloids from Mitragyna speciosa (Kratom) and cisplatin inhibit cell proliferation and migration of Nasopharyngeal carcinoma cell lines

S. Ramanathan, K. Lo, Nelson Jeng Yeou Chear, 2020, bioRxiv.

Chemical control of the tobacco caterpillar, Spodoptera litura Fabricius, on cauliflower.

Darshan Singh, M. Ramzan, 1980 .

The Adverse Cardiovascular Effects and Cardiotoxicity of Kratom (Mitragyna speciosa Korth.): A Comprehensive Review

Darshan Singh, Mohammad Farris Iman Leong Bin Abdullah, 2021, Frontiers in Pharmacology.

Breeding Gram for Resistance to Wilt

S. Singh, Darshan Singh, S. Lal, 1974 .

Combinations of indole based alkaloids from Mitragyna speciosa (Kratom) and cisplatin inhibit cell proliferation and migration of nasopharyngeal carcinoma cell lines.

S. Ramanathan, K. Lo, Darshan Singh, 2021, Journal of Ethnopharmacology.

Can Kratom (Mitragyna speciosa) Alleviate COVID-19 Pain? A Case Study

O. Corazza, O. Grundmann, G. Bersani, 2020, Frontiers in Psychiatry.

Effects of Kratom (Mitragyna Speciosa Korth.) Use in Regular Users

S. Narayanan, O. Grundmann, B. Vicknasingam, 2019, Substance use & misuse.

Self-reported Health Diagnoses and Demographic Correlates With Kratom Use: Results from an Online Survey.

O. Grundmann, K. Smith, C. Veltri, 2020, Journal of addiction medicine.

Kratom and Pain Tolerance: A Randomized, Placebo-Controlled, Double-Blind Study

R. Gueorguieva, Weng-Tink Chooi, S. Ramanathan, 2020, The Yale journal of biology and medicine.

Kratom Use in the United States: A Diverse and Complex Profile.

J. Henningfield, R. Raffa, O. Grundmann, 2020, Addiction.

Lipid profile of regular kratom (Mitragyna speciosa Korth.) users in the community setting

Nelson Jeng Yeou Chear, Darshan Singh, Mohammad Farris Iman Leong Bin Abdullah, 2020, PloS one.

Self-Report Data on Regular Consumption of Illicit Drugs and HIV Risk Behaviors after Kratom (Mitragyna Speciosa korth.) Initiation among Illicit Drug Users in Malaysia

S. Narayanan, E. Boyer, M. Swogger, 2020, Journal of psychoactive drugs.

Feeding deterrency of Neemark against the third instar larvae of hairy caterpillar, Spilosoma obliqua Walker

Darshan Singh, S. S. Bhathal, 1994 .

Curcuma longa - A multicentric clinical verification study

Sajad Ali, M. Rai, A. Singh, 2011, Indian Journal of Research in Homoeopathy.

Tylophora indica- A multicentric clinical verification study

Vikram Singh, C. Nayak, Darshan Singh, 2010, Indian Journal of Research in Homoeopathy.

Athelia in a Jersey cross breed cow: a case report.

M. Dandale, Darshan Singh, G. Bhole, 2013 .

Effect of Solvent on of 4- Phenyl-7-Hydroxy Coumarin - P –Chloro Anilide

Vinod Kumar, S. Singh, Darshan Singh, 2013 .

The prevalence of psychotic symptoms in kratom (Mitragyna speciosa Korth.) Users in Malaysia.

M. Swogger, B. Vicknasingam, Darshan Singh, 2019, Asian journal of psychiatry.

Constipation prevalence and fatigue severity in regular kratom (Mitragyna speciosa Korth.) users

O. Grundmann, B. Vicknasingam, W. Prozialeck, 2018, Journal of Substance Use.

Assessment of gonadotropins and testosterone hormone levels in regular Mitragyna speciosa (Korth.) users.

Eric Tatt Wei Ho, S. Hamid, O. Grundmann, 2018, Journal of ethnopharmacology.

ANTIMICROBIAL ACTIVITY OF TRACHYSPERMUM AMMI LEAVES MEDIATED SILVER NANOPARTICLES : GREEN APPROACH

D. Rawat, Darshan Singh, S. Sahu, 2015 .

COVID-19 Impact on Healthcare and Supportive Services for People Who Use Drugs (PWUDs) in Malaysia

Weng-Tink Chooi, M. Chawarski, A. Kamarulzaman, 2021, Frontiers in Psychiatry.

Cassia fistula - A multicentric clinical verification study

Vikram Singh, Darshan Singh, K. Singh, 2011, Indian Journal of Research in Homoeopathy.

Treatment Satisfaction Among Clients Enrolled in Methadone Maintenance Treatment (MMT) Program in Myanmar: A Cross-sectional Study

B. Vicknasingam, Darshan Singh, S. Tun, 2021 .

Effect of Regular Kratom (Mitragyna Speciosa Korth.) Use on Quality of Life of People who Use Kratom

Darshan Singh, Mohammad Farris Iman Leong Bin Abdullah, Novline Yuvashnee, 2021, Substance abuse.

Clinical Verification of Ichthyolum - A multicentric observational study

M. Rai, P. Chakraborty, P. Pradhan, 2012, Indian Journal of Research in Homoeopathy.

Poster Abstract: Detecting Kratom Intoxication in Wearable Biosensor Data

Honggang Wang, Hua Fang, Stephanie Carreiro, 2019, 2019 IEEE/ACM International Conference on Connected Health: Applications, Systems and Engineering Technologies (CHASE).

Self-reported prevalence and severity of opioid and kratom (Mitragyna speciosa korth.) side effects.

S. Narayanan, E. Boyer, O. Grundmann, 2019, Journal of ethnopharmacology.