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Employment (2)

Thomas Jefferson University: Philadelphia, PA, US

2019 to present | Assistant Program Director - MSFT (College of Life Sciences)
Employment
Source: Self-asserted source
Alex J Krotulski, PhD

Center for Forensic Science Research and Education: WILLOW GROVE, PA, US

2015 to present | Associate Director (Toxicology)
Employment
Source: Self-asserted source
Alex J Krotulski, PhD

Education and qualifications (3)

Temple University: Philadelphia, PA, US

PhD (Chemistry)
Education
Source: Self-asserted source
Alex J Krotulski, PhD

Loyola University New Orleans Loyola Institute for Ministry: New Orleans, LA, US

BS (Chemistry)
Education
Source: Self-asserted source
Alex J Krotulski, PhD

Arcadia University: Glenside, PA, US

MSFS (Chemistry)
Education
Source: Self-asserted source
Alex J Krotulski, PhD

Works (48)

Target Analysis of Synthetic Cannabinoids in Blood and Urine

Methods in Pharmacology and Toxicology
2022-10 | Other
DOI: 10.1007/978-1-0716-2605-4_1
Part of ISSN: 1557-2153
Contributors: Alex J. Krotulski
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

A novel approach to verifying and implementing a quantitative standard addition analysis of NPS drugs in forensic toxicology samples

Toxicologie Analytique et Clinique
2022-09 | Journal article
DOI: 10.1016/j.toxac.2022.06.178
Part of ISSN: 2352-0078
Contributors: Melissa Fogarty; Sara Walton; Donna Papsun; Barry Logan; Alex Krotulski
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Enhancing high-resolution mass spectrometry performance for NPS analysis with improved sensitivity and characterization

Toxicologie Analytique et Clinique
2022-09 | Journal article
DOI: 10.1016/j.toxac.2022.06.251
Part of ISSN: 2352-0078
Contributors: Pierre Negri; Alex Krotulski
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Highly sensitive MS/MS detection for confident identification of potent novel synthetic opioids and their metabolites

Toxicologie Analytique et Clinique
2022-09 | Journal article
DOI: 10.1016/j.toxac.2022.06.245
Part of ISSN: 2352-0078
Contributors: Aymeric Morla; Pierre Negri; Alex Krotulski
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

N,N-Dimethylpentylone–an emerging NPS stimulant of concern in the United States

Toxicologie Analytique et Clinique
2022-09 | Journal article
DOI: 10.1016/j.toxac.2022.06.091
Part of ISSN: 2352-0078
Contributors: Sara Walton; Melissa Fogarty; Donna Papsun; Michael Lamb; Barry Logan; Alex Krotulski
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Proliferation of Novel Synthetic Opioids in Postmortem Investigations After Core-Structure Scheduling for Fentanyl-Related Substances

American Journal of Forensic Medicine & Pathology
2022-09 | Journal article
DOI: 10.1097/paf.0000000000000787
Part of ISSN: 1533-404X
Contributors: Donna M. Papsun; Alex J. Krotulski; Barry K. Logan
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Reaching new sensitivity levels for the detection of fentanyl analogs and highly potent novel synthetic opioids in blood

Toxicologie Analytique et Clinique
2022-09 | Journal article
DOI: 10.1016/j.toxac.2022.06.181
Part of ISSN: 2352-0078
Contributors: Francis Fung; Pierre Negri; Alex Krotulski
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Pharmacodynamics and Pharmacokinetics of the Non‐Fentanyl Synthetic Opioid, Isotonitazene, in Male Rats

The FASEB Journal
2022-05 | Journal article
DOI: 10.1096/fasebj.2022.36.s1.r3857
Part of ISSN: 0892-6638
Contributors: Michael H. Baumann; Grant C. Glatfelter; Donna Walther; Sara E. Walton; Barry K. Logan; Alex J. Krotulski
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Reports of Adverse Events Associated with Use of Novel Psychoactive Substances, 2017–2020: A Review

Journal of Analytical Toxicology
2022-04 | Journal article
DOI: 10.1093/jat/bkac023
Part of ISSN: 0146-4760
Contributors: Amanda L A Mohr; Barry K Logan; Melissa F Fogarty; Alex J Krotulski; Donna M Papsun; Sherri L Kacinko; Marilyn A Huestis; Jeri D Ropero-Miller
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Cannabinoid‐based vaping products and supplement formulations reported by consumers to precipitate adverse effects

Drug Testing and Analysis
2022-03 | Journal article
DOI: 10.1002/dta.3253
Part of ISSN: 1942-7603
Contributors: Alaina K. Holt; Kimberly N. Karin; Shelle N. Butler; Amanda R. Ferreira; Alex J. Krotulski; Justin L. Poklis; Michelle R. Peace
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Toxicological and pharmacological characterization of novel cinnamylpiperazine synthetic opioids in humans and in vitro including 2-methyl AP-237 and AP-238

Archives of Toxicology
2022-03-11 | Journal article
DOI: 10.1007/s00204-022-03257-7
Part of ISSN: 0340-5761
Contributors: Melissa F. Fogarty; Marthe M. Vandeputte; Alex J. Krotulski; Donna Papsun; Sara E. Walton; Christophe P. Stove; Barry K. Logan
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

A Forward-Thinking Approach to Addressing the New Synthetic Opioid 2-Benzylbenzimidazole Nitazene Analogs by Liquid Chromatography–Tandem Quadrupole Mass Spectrometry (LC–QQQ-MS)

Journal of Analytical Toxicology
2021-11 | Journal article
DOI: 10.1093/jat/bkab117
Part of ISSN: 0146-4760
Contributors: Sara E Walton; Alex J Krotulski; Barry K Logan
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Pharmacokinetics and pharmacodynamics of the synthetic cannabinoid, 5F-MDMB-PICA, in male rats

Neuropharmacology
2021-11 | Journal article
DOI: 10.1016/j.neuropharm.2021.108800
Part of ISSN: 0028-3908
Contributors: Alex J. Krotulski; Nancy Garibay; Donna Walther; Sara E. Walton; Amanda L.A. Mohr; Barry K. Logan; Michael H. Baumann
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

71 Adulteration of Illicit Drugs in Emergency Department Patients With Acute Opioid Overdose: A Multicenter Cohort

Annals of Emergency Medicine
2021-10 | Journal article
DOI: 10.1016/j.annemergmed.2021.09.080
Part of ISSN: 0196-0644
Contributors: ToxIC Fentalog Study Group; M. Levine; A. Meyn; A. Krotulski; B. Logan; A. Amaducci; A. Hughes; E. Schwarz; A. Pizon; P. Wax et al.
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Respiratory failure in confirmed synthetic cannabinoid overdose

Clinical Toxicology
2021-09-09 | Journal article
DOI: 10.1080/15563650.2021.1975734
Part of ISSN: 1556-3650
Contributors: Alex F. Manini; Alex J. Krotulski; Jonathan Schimmel; Lisa Allen; Yasmin L. Hurd; Lynne D. Richardson; Kavey Vidal; Barry K. Logan
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Sentanyl: a comparison of blood fentanyl concentrations and naloxone dosing after non-fatal overdose

Clinical Toxicology
2021-07 | Journal article
DOI: 10.1080/15563650.2021.1948558
Part of ISSN: 1556-3650
Contributors: Alex J. Krotulski; Brittany P. Chapman; Sarah J. Marks; Sam T. Ontiveros; Katharine Devin-Holcombe; Melissa F. Fogarty; Hai Trieu; Barry K. Logan; Roland C. Merchant; Kavita M. Babu
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

The Rise and Fall of Isotonitazene and Brorphine: Two Recent Stars in the Synthetic Opioid Firmament

Journal of Analytical Toxicology
2021-07 | Journal article
DOI: 10.1093/jat/bkab082
Part of ISSN: 0146-4760
Contributors: Marthe M Vandeputte; Alex J Krotulski; Donna M Papsun; Barry K Logan; Christophe P Stove
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Metonitazene in the United States—Forensic toxicology assessment of a potent new synthetic opioid using liquid chromatography mass spectrometry

Drug Testing and Analysis
2021-06 | Journal article
DOI: 10.1002/dta.3115
Part of ISSN: 1942-7603
Contributors: Alex J. Krotulski; Donna M. Papsun; Sara E. Walton; Barry K. Logan
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Concentrations of <i>para</i>-Fluorofuranylfentanyl in Paired Central and Peripheral Blood Collected during Postmortem Death Investigations

Journal of Analytical Toxicology
2021-03-10 | Journal article
DOI: 10.1093/jat/bkab025
Part of ISSN: 0146-4760
Contributors: Judith Rodriguez Salas; Alex J Krotulski; Reta Newman; Jon R Thogmartin; Amanda L A Mohr; Barry K Logan
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

A transnational perspective on the evolution of the synthetic cannabinoid receptor agonists market: Comparing prison and general populations

Drug Testing and Analysis
2021-01 | Journal article
DOI: 10.1002/dta.3002
Part of ISSN: 1942-7603
Contributors: Caitlyn Norman; Sebastian Halter; Belal Haschimi; Dean Acreman; Josie Smith; Alex J. Krotulski; Amanda L.A. Mohr; Barry K. Logan; Niamh NicDaéid; Volker Auwärter et al.
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Brorphine—Investigation and quantitation of a new potent synthetic opioid in forensic toxicology casework using liquid chromatography‐mass spectrometr <b>y</b>

Journal of Forensic Sciences
2020-11 | Journal article
DOI: 10.1111/1556-4029.14623
Part of ISSN: 0022-1198
Contributors: Alex J. Krotulski; Donna M. Papsun; Carolina Noble; Sherri L. Kacinko; Barry K. Logan
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

U-47700 and Its Analogs: Non-Fentanyl Synthetic Opioids Impacting the Recreational Drug Market

Brain Sciences
2020-11 | Journal article | Author
DOI: 10.3390/brainsci10110895
Contributors: Michael H. Baumann; GRAZIELLA TOCCO; Donna M. Papsun; Amanda L. Mohr; Melissa F. Fogarty; Alex J Krotulski, PhD
Source: check_circle
Multidisciplinary Digital Publishing Institute

The next generation of synthetic cannabinoids: Detection, activity, and potential toxicity of pent‐4en and but‐3en analogues including MDMB‐4en‐PINACA

Drug Testing and Analysis
2020-10-05 | Journal article
DOI: 10.1002/dta.2935
Part of ISSN: 1942-7603
Contributors: Alex J. Krotulski; Annelies Cannaert; Christophe Stove; Barry K. Logan
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Eutylone Intoxications—An Emerging Synthetic Stimulant in Forensic Investigations

Journal of Analytical Toxicology
2020-08 | Journal article
DOI: 10.1093/jat/bkaa113
Part of ISSN: 0146-4760
Contributors: Alex J Krotulski; Donna M Papsun; Chris W Chronister; Joseph Homan; Michele M Crosby; Jennifer Hoyer; Bruce A Goldberger; Barry K Logan
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Evaluating Trends in Novel Psychoactive Substances Using a Sentinel Population of Electronic Dance Music Festival Attendees

Journal of Analytical Toxicology
2020-08 | Journal article
DOI: 10.1093/jat/bkaa104
Part of ISSN: 0146-4760
Contributors: Amanda L A Mohr; Melissa F Fogarty; Alex J Krotulski; Barry K Logan
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Challenges of High-Resolution Mass Spectrometry For Detecting Designer Drugs

Clinical Chemistry
2020-07-03 | Journal article
DOI: 10.1093/clinchem/hvaa118
Part of ISSN: 0009-9147
Contributors: Frederick G Strathmann;; Kara L Lynch; Alex Krotulski; Pierre Negri; Julie Cichelli; Markus R Meyer
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Flualprazolam Blood Concentrations in 197 Forensic Investigation Cases

Journal of Analytical Toxicology
2020-06 | Journal article
DOI: 10.1093/jat/bkaa070
Part of ISSN: 0146-4760
Contributors: Donna M Papsun; Alex J Krotulski; Joseph Homan; Keith D H Temporal; Barry K Logan
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Isotonitazene Quantitation and Metabolite Discovery in Authentic Forensic Casework

Journal of Analytical Toxicology
2020-02 | Journal article
DOI: 10.1093/jat/bkaa016
Part of ISSN: 0146-4760
Contributors: Alex J Krotulski; Donna M Papsun; Sherri L Kacinko; Barry K Logan
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Detection and characterization of the new synthetic cannabinoid APP‐BINACA in forensic casework

Drug Testing and Analysis
2019 | Journal article
DOI: 10.1002/dta.2698
Part of ISSN: 1942-7603
Contributors: Alex J. Krotulski; Amanda L.A. Mohr; Francis X. Diamond; Barry K. Logan
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Emerging Synthetic Cannabinoids: Development and Validation of a Novel Liquid Chromatography Quadrupole Time-of-Flight Mass Spectrometry Assay for Real-Time Detection

Journal of Analytical Toxicology
2019-11 | Journal article
DOI: 10.1093/jat/bkz084
Part of ISSN: 0146-4760
Contributors: Alex J Krotulski; Amanda L A Mohr; Barry K Logan
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Sample Mining and Data Mining: Combined Real‐Time and Retrospective Approaches for the Identification of Emerging Novel Psychoactive Substances

Journal of Forensic Sciences
2019-09-09 | Journal article
DOI: 10.1111/1556-4029.14184
Part of ISSN: 0022-1198
Contributors: Alex J. Krotulski; Susan Jansen Varnum; Barry K. Logan
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

4F‐MDMB‐BINACA: A New Synthetic Cannabinoid Widely Implicated in Forensic Casework

Journal of Forensic Sciences
2019-07 | Journal article
DOI: 10.1111/1556-4029.14101
Part of ISSN: 0022-1198
Contributors: Alex J. Krotulski; Amanda L.A. Mohr; Sherri L. Kacinko; Melissa F. Fogarty; Sarah A. Shuda; Francis X. Diamond; William A. Kinney; M.J. Menendez; Barry K. Logan
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Chromatographic separation of the isobaric compounds cyclopropylfentanyl, crotonylfentanyl, methacrylfentanyl, and para-methylacrylfentanyl for specific confirmation by LC-MS/MS

Journal of Chromatography B
2019-06 | Journal article
DOI: 10.1016/j.jchromb.2019.04.033
Part of ISSN: 1570-0232
Contributors: Juseon Lee; Alex J. Krotulski; Melissa F. Fogarty; Donna M. Papsun; Barry K. Logan
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Letter to Editor—NBOH Derivatization for the Analysis of Seized Drug Casework by <scp>GC</scp> ‐ <scp>MS</scp>

Journal of Forensic Sciences
2019-04 | Journal article
DOI: 10.1111/1556-4029.14064
Part of ISSN: 0022-1198
Contributors: Melissa F. Fogarty; Barry K. Logan; Francis X. Diamond; Lynsey Mickolas; Sarah A. Shuda; Alex J. Krotulski
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

A Case of Unintentional Opioid (U-47700) Overdose in a Young Adult After Counterfeit Xanax Use

Pediatric Emergency Care
2019-02 | Journal article
DOI: 10.1097/pec.0000000000001775
Part of ISSN: 0749-5161
Contributors: Brittany P. Chapman; Jeffrey T. Lai; Alex J. Krotulski; Melissa F. Fogarty; Matthew K. Griswold; Barry K. Logan; Kavita M. Babu
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Coma, Seizures, Atrioventricular Block, and Hypoglycemia in an ADB-FUBINACA Body-Packer

The Journal of Emergency Medicine
2018 | Journal article
DOI: 10.1016/j.jemermed.2018.09.012
Part of ISSN: 0736-4679
Contributors: Nicholas Nacca; Rachel Schult; Robert Loflin; Adam Weltler; Rachel Gorodetsky; Sherri Kacinko; Jeffery Moran; Alex Krotulski; Timothy Wiegand
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Detection of Cutting Agents in Drug‐Positive Seized Exhibits within the United States

Journal of Forensic Sciences
2018-11 | Journal article
DOI: 10.1111/1556-4029.13968
Part of ISSN: 0022-1198
Contributors: Taís R. Fiorentin; Alex J. Krotulski; David M. Martin; Thom Browne; Jeremy Triplett; Trisha Conti; Barry K. Logan
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

The Detection of Novel Stimulants in Oral Fluid from Users Reporting Ecstasy, Molly and MDMA Ingestion

Journal of Analytical Toxicology
2018-10 | Journal article
DOI: 10.1093/jat/bky051
Part of ISSN: 0146-4760
Contributors: Alex J Krotulski; Amanda L A Mohr; Melissa F Fogarty; Barry K Logan
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Caractérisation ultra-rapide de nouveaux opioïdes synthétiques à l’aide d’une méthode analytique d’acquisition indépendante des données ou SWATH ®

Toxicologie Analytique et Clinique
2018-06 | Journal article
DOI: 10.1016/j.toxac.2018.04.075
Part of ISSN: 2352-0078
Contributors: A. Taylor; O.-G. Cabrices; A. Krotulski; T. Fiorentin; B. Logan; A. Morla
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Dibutylone (bk-DMBDB): Intoxications, Quantitative Confirmations and Metabolism in Authentic Biological Specimens

Journal of Analytical Toxicology
2018-03 | Journal article
DOI: 10.1093/jat/bky022
Part of ISSN: 0146-4760
Contributors: Alex J Krotulski; Amanda L A Mohr; Donna M Papsun; Barry K Logan
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

N-Ethyl Pentylone (Ephylone) Intoxications: Quantitative Confirmation and Metabolite Identification in Authentic Human Biological Specimens

Journal of Analytical Toxicology
2018-03 | Journal article
DOI: 10.1093/jat/bky025
Part of ISSN: 0146-4760
Contributors: Alex J Krotulski; Donna M Papsun; Bruno S De Martinis; Amanda L A Mohr; Barry K Logan
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Cryptomarket drug acquisition leading to furanyl fentanyl overdose

Forensic Toxicology
2018-02 | Journal article
DOI: 10.1007/s11419-018-0406-0
Part of ISSN: 1860-8965
Contributors: Matthew K. Griswold; Brittany P. Chapman; Alex J. Krotulski; Melissa Friscia; Edward W. Boyer; Barry K. Logan; Kavita M. Babu
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Field Detection of Drugs of Abuse in Oral Fluid Using the Alere™ DDS®2 Mobile Test System with Confirmation by Liquid Chromatography Tandem Mass Spectrometry (LC–MS/MS)

Journal of Analytical Toxicology
2017 | Journal article
DOI: 10.1093/jat/bkx105
Part of ISSN: 0146-4760
Contributors: Alex J Krotulski; Amanda L A Mohr; Melissa Friscia; Barry K Logan
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Fatality Following Ingestion of Tetrahydrofuranylfentanyl, U-49900 and Methoxy-Phencyclidine

Journal of Analytical Toxicology
2017-11 | Journal article
DOI: 10.1093/jat/bkx092
Part of ISSN: 0146-4760
Contributors: Alex J Krotulski; Donna M Papsun; Melissa Friscia; Jennifer L Swartz; Brian D Holsey; Barry K Logan
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

A Novel Oral Fluid Assay (LC-QTOF-MS) for the Detection of Fentanyl and Clandestine Opioids in Oral Fluid After Reported Heroin Overdose

Journal of Medical Toxicology
2017-10-02 | Journal article
DOI: 10.1007/s13181-017-0632-6
Part of ISSN: 1556-9039
Contributors: Matthew K. Griswold; Peter R. Chai; Alex J. Krotulski; Melissa Friscia; Brittany P. Chapman; Neha Varma; Edward W. Boyer; Barry K. Logan; Kavita M. Babu
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Metabolism of novel opioid agonists U-47700 and U-49900 using human liver microsomes with confirmation in authentic urine specimens from drug users

Drug Testing and Analysis
2017-07 | Journal article
DOI: 10.1002/dta.2228
Part of ISSN: 1942-7603
Contributors: Alex J. Krotulski; Amanda L. A. Mohr; Donna M. Papsun; Barry K. Logan
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Self-identification of nonpharmaceutical fentanyl exposure following heroin overdose

Clinical Toxicology
2017-07-06 | Journal article
DOI: 10.1080/15563650.2017.1339889
Part of ISSN: 1556-3650
Contributors: Matthew K. Griswold; Peter R. Chai; Alex J. Krotulski; Melissa Friscia; Brittany Chapman; Edward W. Boyer; Barry K. Logan; Kavita M. Babu
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search

Reports of Adverse Events Associated with Use of Novel Psychoactive Substances, 2013–2016: A Review

Journal of Analytical Toxicology
2017-04 | Journal article
DOI: 10.1093/jat/bkx031
Part of ISSN: 0146-4760
Contributors: Barry K. Logan; Amanda L.A. Mohr; Melissa Friscia; Alex J. Krotulski; Donna M. Papsun; Sherri L. Kacinko; Jeri D. Ropero-Miller; Marilyn A. Huestis
Source: Self-asserted source
Alex J Krotulski, PhD via Crossref Metadata Search
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