Search Results - "Duell, Anna K"
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Benzene formation in electronic cigarettes
Published in PloS one (08-03-2017)“…The heating of the fluids used in electronic cigarettes ("e-cigarettes") used to create "vaping" aerosols is capable of causing a wide range of degradation…”
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2
Nicotine in tobacco product aerosols: 'It's déjà vu all over again'
Published in Tobacco control (01-11-2020)“…The distribution of nicotine among its free-base (fb) and protonated forms in aerosolised nicotine affects inhalability. It has been manipulated in tobacco…”
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3
Quantification of PARP7 Protein Levels and PARP7 Inhibitor Target Engagement in Cells Using a Split Nanoluciferase System
Published in Methods in molecular biology (Clifton, N.J.) (2023)“…PARP7 is an enzyme that catalyzes mono-ADP-ribosylation (MARylation), is a critical regulator of type I interferon signaling, and has emerged as an…”
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4
Effects of Common e‑Liquid Flavorants and Added Nicotine on Toxicant Formation during Vaping Analyzed by 1H NMR Spectroscopy
Published in Chemical research in toxicology (18-07-2022)“…A broad variety of e-liquids are used by e-cigarette consumers. Additives to the e-liquid carrier solvents, propylene glycol and glycerol, often include…”
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5
Sucralose-Enhanced Degradation of Electronic Cigarette Liquids during Vaping
Published in Chemical research in toxicology (17-06-2019)“…Electronic cigarette liquids (e-liquids) with sweetener additives such as sucralose, a synthetic chlorinated disaccharide, are popular among some e-cigarette…”
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6
Ratio of Propylene Glycol to Glycerol in E-Cigarette Reservoirs Is Unchanged by Vaping As Determined by 1 H NMR Spectroscopy
Published in Chemical research in toxicology (16-08-2021)“…E-cigarette liquids (e-liquids) contain propylene glycol (PG) and/or glycerol (GL) to deliver flavorants/nicotine. It has recently been suggested that the…”
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Determination of ( R )-(+)- and ( S )-(-)-Nicotine Chirality in Puff Bar E-Liquids by 1 H NMR Spectroscopy, Polarimetry, and Gas Chromatography-Mass Spectrometry
Published in Chemical research in toxicology (19-07-2021)“…Tobacco products generally contain tobacco-derived nicotine (TDN; having ∼99+% ( )-(-)-nicotine). Recent United States regulation has led some producers to…”
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8
Determination of (R)‑(+)- and (S)‑(−)-Nicotine Chirality in Puff Bar E‑Liquids by 1H NMR Spectroscopy, Polarimetry, and Gas Chromatography–Mass Spectrometry
Published in Chemical research in toxicology (19-07-2021)“…Tobacco products generally contain tobacco-derived nicotine (TDN; having ∼99+% (S)-(−)-nicotine). Recent United States regulation has led some producers to…”
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9
Effects of Common e-Liquid Flavorants and Added Nicotine on Toxicant Formation during Vaping Analyzed by 1 H NMR Spectroscopy
Published in Chemical research in toxicology (18-07-2022)“…A broad variety of e-liquids are used by e-cigarette consumers. Additives to the e-liquid carrier solvents, propylene glycol and glycerol, often include…”
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10
Structurally distinct PARP7 inhibitors provide new insights into the function of PARP7 in regulating nucleic acid-sensing and IFN-β signaling
Published in Cell chemical biology (19-01-2023)“…The mono-ADP-ribosyltransferase PARP7 has emerged as a key negative regulator of cytosolic NA-sensors of the innate immune system. We apply a rational design…”
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Free-Base Nicotine Fraction αfb in Non-Aqueous versus Aqueous Solutions: Electronic Cigarette Fluids Without versus With Dilution with Water
Published in Chemical research in toxicology (20-07-2020)“…An important design aspect of electronic cigarettes (“e-cigarettes”) is the nature of the acid/base chemistry in the e-liquid phase. E-liquids having…”
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12
Correction to Free-Base Nicotine Determination in Electronic Cigarette Liquids by 1H NMR Spectroscopy
Published in Chemical research in toxicology (16-09-2019)Get full text
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Correction to Free-Base Nicotine Determination in Electronic Cigarette Liquids by 1 H NMR Spectroscopy
Published in Chemical research in toxicology (16-09-2019)Get full text
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Allosteric regulation of DNA binding and target residence time drive the cytotoxicity of phthalazinone-based PARP-1 inhibitors
Published in Cell chemical biology (15-12-2022)“…Allosteric coupling between the DNA binding site to the NAD -binding pocket drives PARP-1 activation. This allosteric communication occurs in the reverse…”
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15
Free-Base Nicotine Determination in Electronic Cigarette Liquids by 1 H NMR Spectroscopy
Published in Chemical research in toxicology (18-06-2018)“…E-liquids usually contain significant nicotine, which will exist primarily in two forms, monoprotonated and free-base, the proportions of which are alterable…”
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Free-Base Nicotine Determination in Electronic Cigarette Liquids by 1H NMR Spectroscopy
Published in Chemical research in toxicology (18-06-2018)“…E-liquids usually contain significant nicotine, which will exist primarily in two forms, monoprotonated and free-base, the proportions of which are alterable…”
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17
Boiling points of the propylene glycol + glycerol system at 1 atmosphere pressure: 188.6-292 °C without and with added water or nicotine
Published in Chemical engineering communications (01-01-2018)“…In electronic cigarettes ("electronic nicotine delivery systems", ENDS), mixtures of propylene glycol (PG) and/or glycerol (GL; aka "vegetable glycerin", VG)…”
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Free-Base Nicotine Is Nearly Absent in Aerosol from IQOS Heat-Not-Burn Devices, As Determined by 1 H NMR Spectroscopy
Published in Chemical research in toxicology (17-06-2019)“…Heat-not-burn products, eg, I quit ordinary smoking (IQOS), are becoming popular alternative tobacco products. The nicotine aerosol protonation state has…”
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Ratio of Propylene Glycol to Glycerol in E‑Cigarette Reservoirs Is Unchanged by Vaping As Determined by 1H NMR Spectroscopy
Published in Chemical research in toxicology (16-08-2021)“…E-cigarette liquids (e-liquids) contain propylene glycol (PG) and/or glycerol (GL) to deliver flavorants/nicotine. It has recently been suggested that the…”
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Journal Article -
20
Free-Base Nicotine Is Nearly Absent in Aerosol from IQOS Heat-Not-Burn Devices, As Determined by 1H NMR Spectroscopy
Published in Chemical research in toxicology (17-06-2019)“…Heat-not-burn products, eg, I quit ordinary smoking (IQOS), are becoming popular alternative tobacco products. The nicotine aerosol protonation state has…”
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