The Multidisciplinary Preprint Platform


Evidence That Vitamin D Supplementation Could Reduce Risk of Influenza and COVID-19 Infections and Deaths
The world is in the grips of the COVID-19 pandemic. Public health measures that can reduce the risk of infection and death in addition to quarantines are desperately needed. This ...
Potential Inhibitor of COVID-19 Main Protease (Mpro) From Several Medicinal Plant Compounds by Molecular Docking Study
COVID-19, a new strain of coronavirus (CoV), was identified in Wuhan, China, in 2019. No specific therapies are available and investigations regarding COVID-19 treatment are lacking. Liu et al. (2020) ...
Individual Variation of the SARS-CoV2 Receptor ACE2 Gene Expression and Regulation
The COVID19 coronavirus SARS-CoV2 spreading in Wuhan and now worldwide has been shown to use angiotensin-converting enzyme 2 ACE2 as its host cell receptor, like the severe acute respiratory syndrome ...
First Case of COVID-19 Complicated with Fulminant Myocarditis: A case Report and Insights
Background: Coronavirus Disease 2019 (COVID-19) has been demonstrated to be the cause of pneumonia. Nevertheless, it has not been reported as the cause of acute myocarditis or fulminant myocarditis. Case ...
Was School Closure Effective in Mitigating Coronavirus Disease 2019 (COVID-19)? Time Series Analysis Using Bayesian Inference
Background: Coronavirus disease 2019 (COVID-19) pandemic are causing significant damages to many nations. For mitigating its risk, Japan’s Prime Minister called on all elementary, junior high and high schools nationwide ...


In Vitro Evaluation of the Effects of Prebiotics GOS and FOS on Human Colonic Caco–2 Cells
Prebiotic oligosaccharides are widely used as human and animal feed additives for their beneficial effects on the gut microbiota. However, there are limited data to assess the direct effect of ...
Using Discrete Multiphysics Modelling to Assess the Effect of Calcification on Hemodynamic and Mechanical Deformation of Aortic Valve
This study proposes a 3D particle-base (discrete) multiphysics approach for modelling calcification in the aortic valve. Different stages of calcification (from mild to severe) were simulated, and their effect on ...
Meta-Analysis of Fiber Impact on Mechanical Properties of Ultra-High Performance Concrete
The purpose of this study was to conduct a meta-analysis that shows the influence of fiber on ultimate compressive strength and tensile strength of ultra-high performance concrete. The internet scholarly ...
Nutraceutical and Medicinal Property of Mulberry Fruits: A Review on Its Pharmacological Potential
Mulberry (Morus) cultivated worldwide in diverse agro-ecological conditions recognized as the fodder of silkworms (Bombyx mori). In India, ranging from high altitude Himalayan region to coastal region, the farmers generally ...
Reducing Coughs in Weaning from Mechanical Ventilation Using the Supraglottic Airway Device I-gel in a Patient with COVID-19
We report smooth weaning from mechanical ventilation in a patient with COVID-19. The use of the supraglottic airway device can cause fewer coughs in weaning from mechanical ventilation. This procedure ...
Total preprints
Total preprints
Unique authors
Unique authors
Median hours to announcement
Median hours to announcement
Monthly page views
Monthly page views
Preprints Reaches 10,000 Posted Articles Milestone
Preprints and Working Papers
A Short Video Explaining the Current State of Preprints

Update to Preprint DOI Registration


― 1 ―
Authors upload their manuscript and supplementary files via the online submission system.
― 2 ―
Preprints editors carry out initial checks on content, decisions are made within 24 hours.
― 3 ―
Archived & Online
Preprints that pass the initial checks are posted online, are immediately citable and open for comments.
All Research Fields
We accept preprints from all fields, so your article will always be a good fit.
Permanent Archiving
Upload multiple versions of your paper: they will all be securely archived.
All preprints receive a digital object identifier (doi) to make them immediately citable.
High visibility
Link ORCID,, ResearchGate and social media accounts to make sure your preprint gets noticed.
Article-Level Metrics
Every mention of your article counts, whether on social media, in news outlets or citations. We keep track of all mentions for you.

Preprints is a free preprint server supported by MDPI in Basel, Switzerland.

Submit preprint
Canvas image based on the artwork of Alejandro Guijarro.