Evidence map›Paper›PMID 34482422›Full record

ArticleEnvironmental monitoring and assessment2021

A model for indoor motion dynamics of SARS-CoV-2 as a function of respiratory droplet size and evaporation.

Mehmet Aydin, Seckin Aydin Savas, Fatih Evrendilek, Ismail Erkan Aydin, Deniz Eren Evrendilek

Open access · bronzeAbstract read
In one paragraph

Article in Environmental monitoring and assessment, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
0.6field-weighted citation impact, top 31% 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

2 citing papers in PubMed, 5 citations in OpenAlex.

  1. Article
  2. Transport dynamics of SARS-CoV-2 under outdoor conditions.Air quality, atmosphere, & health · 2022
    Article
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

5 authors at 5 institutions in 2 countries.

Mehmet AydinDepartment of Soil Science, Mustafa Kemal University, Antakya, Hatay, Turkey. maydin08@yahoo.com.ORCID http://orcid.org/0000-0003-4934-2346
Seckin Aydin SavasDepartment of Plastic and Reconstructive Surgery, Faculty of Medicine, Alanya Alaaddin Keykubat University, Alanya, Antalya, Turkey.ORCID http://orcid.org/0000-0002-9389-2196
Fatih EvrendilekDepartment of Environmental Engineering, Bolu Abant Izzet Baysal University, Bolu, Turkey.ORCID http://orcid.org/0000-0003-1099-4363
Ismail Erkan AydinDepartment of Emergency Medicine, Faculty of Medicine, Ordu University, Ordu, Turkey.ORCID http://orcid.org/0000-0003-3552-5459
Deniz Eren EvrendilekDepartment of Computing Science, Simon Fraser University, Burnaby, BC, V5A 1S6, Canada.ORCID http://orcid.org/0000-0002-4699-4595
Alanya University · TRBolu Abant İzzet Baysal University · TRMustafa Kemal University · TROrdu University · TRSimon Fraser University · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A simplified model has been devised to estimate the falling dynamics of severe acute respiratory syndrome corona-virus 2 (SARS-CoV-2)-laden droplets in an indoor environment. Our estimations were compared to existing literature data. The spread of SARS-CoV-2 is closely coupled to its falling dynamics as a function of respiratory droplet diameter (1 to 2000 μm) of an infected person and droplet evaporation. The falling time of SARS-CoV-2 with a respiratory droplet diameter of about 300 μm from a height of 1.7 m remained almost the same among the Newtonian lift equation, Stokes's law, and our simplified model derived from them so as to account for its evaporation. The evaporative demand peaked at midday which was ten times that at midnight. The evaporating droplets [Formula: see text] 6 μm lost their water content rapidly, making their lifetimes in the air shorter than their falling times. The droplets [Formula: see text] 6 μm were able to evaporate completely and remained in the air for about 5 min as droplet nuclei with SARS-CoV-2.

Indexed as

AerosolsAir MicrobiologyEnvironmental MonitoringSARS-CoV-2HumansAerosolsCOVID-19Droplet evaporationNewton’s and Stokes’ lawsRespiratory droplet sizeSARS-CoV-2 contamination risks

Identifiers

PMID34482422
PMCPMC8418688
OpenAlexW3198885276

What OpenQuestion holds

Textmetadata
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.