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John A. Clark

7 results in Authors: John A. Clark

Analytical Chemistry

Working Paper

Trace Residue Identification, Characterization and Longitudinal Monitoring of the Novel Synthetic Opioid β-U10, from Discarded Drug Paraphernalia

Henry West, John Fitzgerald, Katherine Hopkins, Michael Leeming, Matthew Di Rago, Dimitri Gerostamoulos, Nicolas Clark, Paul Dietze, Jonathan White, James Ziogas, Gavin Reid

Version 1 posted 09 March 2022

192

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Analytical Chemistry

Working Paper

An Early Warning Monitoring System for Illicit Drug Use at Large Public Events: ‘Close to Real Time’ Trace Residue Analysis of Discarded Drug Packaging Samples

Henry West, JOHN FITZGERALD, Katherine Hopkins, Eric Li, Nicolas Clark, Stephanie Tzanetis, Gavin Reid, SHAUN GREENE

Version 1 posted 02 June 2021

478

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Catalysis

Working Paper

Artificial Biosynthetic Pathway for an Unnatural Terpenoid with an Iridiumcontaining P450

Jing Huang, Zhennan Liu, brandon bloomer, Douglas Clark, Aindrila Mukhopadhyay, Jay Keasling, John Hartwig

Version 1 posted 18 March 2020

1,837

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Organic Chemistry

Working Paper

A Hierarchy of Ligands Controls Formation of Aryl Radicals in Pd-Catalyzed Ground State Reactions

Kenneth Clark, Laura Evans, John Murphy

Version 1 posted 15 May 2023

335

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Organic Chemistry

Working Paper

An Assay for Aryl Radicals Using BHAS Coupling

John Murphy, Kenneth Clark, Seb Tyerman, Laura Evans, Craig Robertson

Version 1 posted 15 May 2023

274

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Catalysis

Working Paper

Deciphering Complexity in Pd–Catalyzed Cross-Couplings

George Clarke, Lyndsay Ledingham, James Firth, Christopher Horbaczewskyj, Richard Bourne, Joshua Bray, Poppy Martin, Rebecca Campbell, Alex Pagett, Duncan MacQuarrie, John Slattery, Jason Lynam, Adrian Whitwood, Jessica Milani, Sam Hart, Julie Wilson, Ian James Stewart Fairlamb

Version 2 posted 19 April 2023

681

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Organic Chemistry

Working Paper

Parallel Charge-Transfer Mechanisms Allow for Diversifying the Choices for Photoredox Catalysts

Katarzyna Goliszewska, Katarzyna Rybicka-Jasińska, John A. Clark, Valentine I. Vullev, Dorota Gryko

Version 1 posted 22 July 2019

555

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7 results in John A. Clark in Authors: John A. Clark

Trace Residue Identification, Characterization and Longitudinal Monitoring of the Novel Synthetic Opioid β-U10, from Discarded Drug Paraphernalia

An Early Warning Monitoring System for Illicit Drug Use at Large Public Events: ‘Close to Real Time’ Trace Residue Analysis of Discarded Drug Packaging Samples

Artificial Biosynthetic Pathway for an Unnatural Terpenoid with an Iridiumcontaining P450

A Hierarchy of Ligands Controls Formation of Aryl Radicals in Pd-Catalyzed Ground State Reactions

An Assay for Aryl Radicals Using BHAS Coupling

Deciphering Complexity in Pd–Catalyzed Cross-Couplings

Parallel Charge-Transfer Mechanisms Allow for Diversifying the Choices for Photoredox Catalysts

7 results in Authors: John A. Clark