Evidence map›Paper›PMID 33116348›Full record

ArticleAerosol science and technology : the journal of the American Association for Aerosol Research2020

Effects of propylene glycol, vegetable glycerin, and nicotine on emissions and dynamics of electronic cigarette aerosols.

Liqiao Li, Eon S Lee, Charlene Nguyen, Yifang Zhu

Open access · bronzeAbstract read
In one paragraph

Article in Aerosol science and technology : the journal of the American Association for Aerosol Research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed
2.9field-weighted citation impact, top 8% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

29 citing papers in PubMed, 62 citations in OpenAlex.

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  12. Advancing low-cost air quality monitor calibration with machine learning methods.Environmental pollution (Barking, Essex : 1987) · 2025
    Article
  13. Article
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  16. Chemical Composition of Electronic Vaping Products From School Grounds in California.Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco · 2024
    Article
  17. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 1 institution in 1 country.

Liqiao LiDepartment of Environmental Health Sciences, Jonathan and Karin Fielding School of Public Health, University of California, Los Angeles, California, USA.
Eon S LeeDepartment of Environmental Health Sciences, Jonathan and Karin Fielding School of Public Health, University of California, Los Angeles, California, USA.
Charlene NguyenDepartment of Environmental Health Sciences, Jonathan and Karin Fielding School of Public Health, University of California, Los Angeles, California, USA.
Yifang ZhuDepartment of Environmental Health Sciences, Jonathan and Karin Fielding School of Public Health, University of California, Los Angeles, California, USA.
University of California, Los Angeles · US

Funding

Linking E-Cigarette Aerosol Characteristics to Mechanisms of Pulmonary ToxicityR01HL139379 · NHLBI · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI ZHU, YIFANG · 2018 to 2021
$1.8M
NHLBI NIH HHS R01 HL139379
6 · The paper itself

Abstract

An electronic cigarette (e-cig) generates aerosols by vaporizing the e-liquid, which mainly consists of propylene glycol (PG), vegetable glycerin (VG), and nicotine. Understanding the effects of e-liquid main compositions on e-cig aerosols is important for exposure assessment. This study investigated how the PG/VG ratio and nicotine content affect e-cig aerosol emissions and dynamics. A tank-based e-cig device with 10 different flavorless e-liquid mixtures (e.g., PG/VG ratios of 0/100, 10/90, 30/70, 50/50, and 100/0 with 0.0% or 2.4% nicotine) was used to puff aerosols into a 0.46 m

Identifiers

PMID33116348
PMCPMC7590927
OpenAlexW3032758804

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.