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Collection  10 March 2022

Journal Top 100

This collection highlights our most downloaded* research papers published in 2021. Featuring authors from around the world, these papers highlight valuable research from an international community.

*Data obtained from SN Insights which is based on Digital Science’s Dimensions.

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A well-trained artificial neural network for predicting the rheological behavior of MWCNT–Al 2 O 3 (30–70%)/oil SAE40 hybrid nanofluid

  • Mohammad Hemmat Esfe
  • S. Ali Eftekhari
  • Davood Toghraie

most important research paper

More than 50 long-term effects of COVID-19: a systematic review and meta-analysis

  • Sandra Lopez-Leon
  • Talia Wegman-Ostrosky
  • Sonia Villapol

most important research paper

Adults who microdose psychedelics report health related motivations and lower levels of anxiety and depression compared to non-microdosers

  • Joseph M. Rootman
  • Pamela Kryskow

most important research paper

Detection of persistent SARS-CoV-2 IgG antibodies in oral mucosal fluid and upper respiratory tract specimens following COVID-19 mRNA vaccination

  • Aubree Mades
  • Prithivi Chellamathu
  • Albina Ibrayeva

Causes of death and comorbidities in hospitalized patients with COVID-19

  • Sefer Elezkurtaj
  • Selina Greuel
  • David Horst

most important research paper

5G as a wireless power grid

  • Jimmy G. D. Hester
  • Manos M. Tentzeris

most important research paper

Saliva is more sensitive than nasopharyngeal or nasal swabs for diagnosis of asymptomatic and mild COVID-19 infection

  • Alvin Kuo Jing Teo
  • Yukti Choudhury
  • Li Yang Hsu

most important research paper

Mathematical modelling of SARS-CoV-2 variant outbreaks reveals their probability of extinction

  • Henrik Schiøler
  • Torben Knudsen
  • Martin Bøgsted

most important research paper

Mapping the NFT revolution: market trends, trade networks, and visual features

  • Matthieu Nadini
  • Laura Alessandretti
  • Andrea Baronchelli

most important research paper

Overcooling of offices reveals gender inequity in thermal comfort

  • Thomas Parkinson
  • Stefano Schiavon
  • Gail Brager

most important research paper

Clinical course of COVID-19 patients needing supplemental oxygen outside the intensive care unit

  • Ayham Daher
  • Paul Balfanz
  • Christian G. Cornelissen

most important research paper

Positive effects of COVID-19 lockdown on air quality of industrial cities (Ankleshwar and Vapi) of Western India

  • Ritwik Nigam
  • Kanvi Pandya
  • Mahender Kotha

Proportion of people identified as transgender and non-binary gender in Brazil

  • Giancarlo Spizzirri
  • Raí Eufrásio
  • Carmita Helena Najjar Abdo

most important research paper

Immunodominant T-cell epitopes from the SARS-CoV-2 spike antigen reveal robust pre-existing T-cell immunity in unexposed individuals

  • Swapnil Mahajan
  • Vasumathi Kode
  • Amitabha Chaudhuri

most important research paper

Positive expectations predict improved mental-health outcomes linked to psychedelic microdosing

  • L. S. Kaertner
  • M. B. Steinborn
  • R. L. Carhart-Harris

most important research paper

Effect of vitamin D on cognitive decline: results from two ancillary studies of the VITAL randomized trial

  • Jae H. Kang
  • Chirag M. Vyas
  • JoAnn E. Manson

most important research paper

Low HDL and high triglycerides predict COVID-19 severity

  • Lluís Masana
  • Eudald Correig
  • the STACOV-XULA research group

most important research paper

Shorter headed dogs, visually cooperative breeds, younger and playful dogs form eye contact faster with an unfamiliar human

  • Zsófia Bognár
  • Enikő Kubinyi

most important research paper

Cannabis compounds exhibit anti-inflammatory activity in vitro in COVID-19-related inflammation in lung epithelial cells and pro-inflammatory activity in macrophages

  • Seegehalli M. Anil
  • Nurit Shalev
  • Hinanit Koltai

most important research paper

The first true millipede—1306 legs long

  • Paul E. Marek
  • Bruno A. Buzatto
  • Juanita Rodriguez

most important research paper

The poor prognosis and influencing factors of high D-dimer levels for COVID-19 patients

  • Xiaokang He
  • Qingming Wu

most important research paper

Pruritus is common in patients with chronic liver disease and is improved by nalfurafine hydrochloride

  • Shuhei Yoshikawa
  • Takeharu Asano
  • Hirosato Mashima

most important research paper

Lethal coalitionary attacks of chimpanzees ( Pan troglodytes troglodytes ) on gorillas ( Gorilla gorilla gorilla ) in the wild

  • Lara M. Southern
  • Tobias Deschner
  • Simone Pika

most important research paper

Secondary bacterial infection in COVID-19 patients is a stronger predictor for death compared to influenza patients

  • Noa Shafran
  • Inbal Shafran
  • Ella H. Sklan

most important research paper

SARS-CoV-2 virus transfers to skin through contact with contaminated solids

  • Saeed Behzadinasab
  • Alex W. H. Chin
  • William A. Ducker

most important research paper

The in-vitro effect of famotidine on SARS-CoV-2 proteases and virus replication

  • Madeline Loffredo
  • Hector Lucero
  • Ali H. Munawar

Ferritin is associated with the severity of lung involvement but not with worse prognosis in patients with COVID-19: data from two Italian COVID-19 units

  • Francesco Carubbi
  • Lia Salvati
  • Davide Grassi

most important research paper

Outcomes of COVID-19 patients intubated after failure of non-invasive ventilation: a multicenter observational study

  • Annalisa Boscolo
  • Laura Pasin
  • FERS, for the COVID-19 VENETO ICU Network

most important research paper

The consequences of COVID-19 on social interactions: an online study on face covering

  • Marta Calbi
  • Nunzio Langiulli
  • Maria Alessandra Umiltà

most important research paper

Dogs distinguish human intentional and unintentional action

  • Britta Schünemann
  • Judith Keller
  • Juliane Bräuer

most important research paper

Positive Epstein–Barr virus detection in coronavirus disease 2019 (COVID-19) patients

  • Changzheng Chen

most important research paper

Alarming coastal vulnerability of the deltaic and sandy beaches of North Africa

  • Abderraouf Hzami
  • Essam Heggy
  • Saâdi Abdeljaouad

most important research paper

Defining priority areas for blue whale conservation and investigating overlap with vessel traffic in Chilean Patagonia, using a fast-fitting movement model

  • Luis Bedriñana-Romano
  • Rodrigo Hucke-Gaete
  • Daniel M. Palacios

most important research paper

Observation of rescue behaviour in wild boar ( Sus scrofa )

  • Michaela Masilkova
  • Miloš Ježek
  • Hynek Burda

most important research paper

Time course of the sensitivity and specificity of anti-SARS-CoV-2 IgM and IgG antibodies for symptomatic COVID-19 in Japan

  • Yuki Nakano
  • Makoto Kurano
  • Yutaka Yatomi

most important research paper

Multidisciplinary assessment of the Abbott BinaxNOW SARS-CoV-2 point-of-care antigen test in the context of emerging viral variants and self-administration

  • Jennifer K. Frediani
  • Joshua M. Levy
  • Wilbur A. Lam

most important research paper

Regular intake of energy drinks and multivitamin supplements is associated with elevated plasma vitamin B6 levels in post-bariatric patients

  • Martina Tynes
  • Matthias Hepprich
  • Katharina Timper

most important research paper

Aggressive behaviour is affected by demographic, environmental and behavioural factors in purebred dogs

  • Salla Mikkola
  • Milla Salonen
  • Hannes Lohi

most important research paper

In vitro efficacy of artemisinin-based treatments against SARS-CoV-2

  • Yuyong Zhou
  • Kerry Gilmore
  • Peter H. Seeberger

most important research paper

Anthropogenic drought dominates groundwater depletion in Iran

  • Samaneh Ashraf
  • Amir AghaKouchak

most important research paper

COVID-19 vaccines that reduce symptoms but do not block infection need higher coverage and faster rollout to achieve population impact

  • David A. Swan
  • Chloe Bracis
  • Dobromir Dimitrov

most important research paper

A metabolomics comparison of plant-based meat and grass-fed meat indicates large nutritional differences despite comparable Nutrition Facts panels

  • Stephan van Vliet
  • James R. Bain
  • Kim M. Huffman

most important research paper

Detection of volcanic unrest onset in La Palma, Canary Islands, evolution and implications

  • José Fernández
  • Joaquín Escayo
  • Eumenio Ancochea

most important research paper

Internet memes related to the COVID-19 pandemic as a potential coping mechanism for anxiety

  • Umair Akram
  • Kamila Irvine
  • Jennifer Drabble

most important research paper

A molecular test based on RT-LAMP for rapid, sensitive and inexpensive colorimetric detection of SARS-CoV-2 in clinical samples

  • Catarina Amaral
  • Wilson Antunes
  • Catarina Pimentel

most important research paper

Country-level factors dynamics and ABO/Rh blood groups contribution to COVID-19 mortality

  • Alfonso Monaco
  • Ester Pantaleo
  • Roberto Bellotti

most important research paper

Musical components important for the Mozart K448 effect in epilepsy

  • Robert J. Quon
  • Michael A. Casey
  • Barbara C. Jobst

most important research paper

Investigation of diets associated with dilated cardiomyopathy in dogs using foodomics analysis

  • Caren E. Smith
  • Laurence D. Parnell
  • Lisa M. Freeman

most important research paper

Earliest evidence of herd-living and age segregation amongst dinosaurs

  • Adriana C. Mancuso
  • Vincent Fernandez

most important research paper

Canadian undergraduate men’s visual attention to cisgender women, cisgender men, and feminine trans individuals

  • Lanna J. Petterson
  • Paul L. Vasey

most important research paper

Brain structure changes associated with sexual orientation

  • Mikhail Votinov
  • Katharina S. Goerlich

most important research paper

Extreme miniaturization of a new amniote vertebrate and insights into the evolution of genital size in chameleons

  • Jörn Köhler
  • Miguel Vences

COVID-19 vaccine acceptance among adults in four major US metropolitan areas and nationwide

  • Ayman El-Mohandes
  • Trenton M. White
  • Jeffrey V. Lazarus

most important research paper

Weeklong improved colour contrasts sensitivity after single 670 nm exposures associated with enhanced mitochondrial function

  • Harpreet Shinhmar
  • Glen Jeffery

most important research paper

Modeling the effect of lockdown timing as a COVID-19 control measure in countries with differing social contacts

  • Tamer Oraby
  • Michael G. Tyshenko
  • Mustafa Al-Zoughool

most important research paper

Identification of CRF89_BF, a new member of an HIV-1 circulating BF intersubtype recombinant form family widely spread in South America

  • Elena Delgado
  • Aurora Fernández-García
  • Michael M. Thomson

most important research paper

Selective time-dependent changes in activity and cell-specific gene expression in human postmortem brain

  • Fabien Dachet
  • James B. Brown
  • Jeffrey A. Loeb

most important research paper

Effects of cannabis on visual function and self-perceived visual quality

  • Sonia Ortiz-Peregrina
  • Carolina Ortiz
  • Rosario G. Anera

most important research paper

Particulate matter (PM 2.5 ) as a potential SARS-CoV-2 carrier

  • Norefrina Shafinaz Md Nor
  • Chee Wai Yip
  • Mohd Shahrul Mohd Nadzir

most important research paper

The effect of ABO blood group and antibody class on the risk of COVID-19 infection and severity of clinical outcomes

  • Marwa Ali Almadhi
  • Abdulkarim Abdulrahman
  • Manaf AlQahtani

most important research paper

A retrospective cohort study of 12,306 pediatric COVID-19 patients in the United States

  • Vibhu Parcha
  • Katherine S. Booker
  • Pankaj Arora

most important research paper

Climate and the spread of COVID-19

  • Simiao Chen
  • Klaus Prettner
  • David E. Bloom

most important research paper

Examining the interplay between face mask usage, asymptomatic transmission, and social distancing on the spread of COVID-19

  • Adam Catching
  • Sara Capponi
  • Raul Andino

most important research paper

Association between coffee and green tea intake and pneumonia among the Japanese elderly: a case-control study

  • Kyoko Kondo
  • Kanzo Suzuki
  • The Pneumonia in Elderly People Study Group

most important research paper

Discovery of a new mammal species (Soricidae: Eulipotyphla) from Narcondam volcanic island, India

  • Manokaran Kamalakannan
  • Chandrakasan Sivaperuman
  • Kailash Chandra

most important research paper

Role of IgG against N-protein of SARS-CoV2 in COVID19 clinical outcomes

  • Mayank Batra
  • Runxia Tian
  • Mehdi Mirsaeidi

most important research paper

Menopause impacts human brain structure, connectivity, energy metabolism, and amyloid-beta deposition

  • Lisa Mosconi
  • Valentina Berti
  • Roberta Diaz Brinton

most important research paper

Ivermectin reduces in vivo coronavirus infection in a mouse experimental model

  • A. P. Arévalo

most important research paper

Excess protein enabled dog domestication during severe Ice Age winters

  • Maria Lahtinen
  • David Clinnick
  • Suvi Viranta

most important research paper

Psychedelics alter metaphysical beliefs

  • Christopher Timmermann
  • Hannes Kettner
  • Robin L. Carhart-Harris

most important research paper

Real world evidence of calcifediol or vitamin D prescription and mortality rate of COVID-19 in a retrospective cohort of hospitalized Andalusian patients

  • Carlos Loucera
  • María Peña-Chilet
  • Jose Manuel Quesada Gomez

most important research paper

Exercise improves the quality of slow-wave sleep by increasing slow-wave stability

  • Insung Park
  • Javier Díaz
  • Kaspar E. Vogt

most important research paper

Gradual onset of the Maunder Minimum revealed by high-precision carbon-14 analyses

  • Hiroko Miyahara
  • Fuyuki Tokanai
  • Hideyuki Hotta

most important research paper

Results of an early second PCR test performed on SARS-CoV-2 positive patients may support risk assessment for severe COVID-19

  • Barak Mizrahi
  • Maytal Bivas-Benita
  • Gabriel Chodick

most important research paper

Satellite mega-constellations create risks in Low Earth Orbit, the atmosphere and on Earth

  • Aaron C. Boley
  • Michael Byers

most important research paper

Influenza vaccination and the risk of COVID-19 infection and severe illness in older adults in the United States

  • Kelly Huang
  • Shu-Wen Lin
  • Chi-Chuan Wang

most important research paper

New spinosaurids from the Wessex Formation (Early Cretaceous, UK) and the European origins of Spinosauridae

  • Chris T. Barker
  • David W. E. Hone
  • Neil J. Gostling

most important research paper

Expansion and characterization of epithelial stem cells with potential for cyclical hair regeneration

  • Makoto Takeo
  • Kyosuke Asakawa
  • Takashi Tsuji

most important research paper

Durability of antibody response to vaccination and surrogate neutralization of emerging variants based on SARS-CoV-2 exposure history

  • Thomas W. McDade
  • Alexis R. Demonbreun
  • Elizabeth M. McNally

most important research paper

Multiwave pandemic dynamics explained: how to tame the next wave of infectious diseases

  • Giacomo Cacciapaglia
  • Corentin Cot
  • Francesco Sannino

most important research paper

An international comparison of age and sex dependency of COVID-19 deaths in 2020: a descriptive analysis

  • Peter Bauer
  • Jonas Brugger
  • Martin Posch

most important research paper

Organic matter and water from asteroid Itokawa

  • Q. H. S. Chan
  • A. Stephant
  • M. M. Grady

most important research paper

Origin and evolutionary history of domestic chickens inferred from a large population study of Thai red junglefowl and indigenous chickens

  • Mitsuo Nunome
  • Kornsorn Srikulnath

most important research paper

COVID-19 diagnosis by routine blood tests using machine learning

  • Matjaž Kukar
  • Gregor Gunčar
  • Marko Notar

most important research paper

The serotonin reuptake inhibitor Fluoxetine inhibits SARS-CoV-2 in human lung tissue

  • Melissa Zimniak
  • Luisa Kirschner
  • Jochen Bodem

most important research paper

Long-term stress in dogs is related to the human–dog relationship and personality traits

  • Amanda Höglin
  • Enya Van Poucke
  • Lina S. V. Roth

most important research paper

Correlation between CT findings and outcomes in 46 patients with coronavirus disease 2019

  • Guangming Li
  • Guihua Jiang

most important research paper

Inhibition of mitochondrial function by metformin increases glucose uptake, glycolysis and GDF-15 release from intestinal cells

  • Tamana Darwish
  • Fiona M. Gribble

most important research paper

Global prevalence of mental health issues among the general population during the coronavirus disease-2019 pandemic: a systematic review and meta-analysis

  • Surapon Nochaiwong
  • Chidchanok Ruengorn
  • Tinakon Wongpakaran

most important research paper

Probenecid inhibits SARS-CoV-2 replication in vivo and in vitro

  • Jackelyn Murray
  • Robert J. Hogan
  • Ralph A. Tripp

most important research paper

UV-C irradiation is highly effective in inactivating SARS-CoV-2 replication

  • Mara Biasin
  • Andrea Bianco
  • Mario Clerici

most important research paper

The 20-million-year old lair of an ambush-predatory worm preserved in northeast Taiwan

  • Masakazu Nara
  • Shahin E. Dashtgard

most important research paper

Age constraints for the Trachilos footprints from Crete

  • Uwe Kirscher
  • Haytham El Atfy
  • Madelaine Böhme

most important research paper

Divergent reflections around the photon sphere of a black hole

  • Albert Sneppen

most important research paper

The impact of the COVID-19 pandemic on wellbeing and cognitive functioning of older adults

  • Sarah De Pue
  • Céline Gillebert
  • Eva Van den Bussche

most important research paper

Origin and diffusion of human Y chromosome haplogroup J1-M267

  • Hovhannes Sahakyan
  • Ashot Margaryan
  • Richard Villems

The association of dietary patterns with dietary inflammatory index, systemic inflammation, and insulin resistance, in apparently healthy individuals with obesity

  • Maryam Saghafi-Asl
  • Susan Mirmajidi
  • Vahideh Ebrahimzadeh Attari

most important research paper

Developing and validating COVID-19 adverse outcome risk prediction models from a bi-national European cohort of 5594 patients

  • Espen Jimenez-Solem
  • Tonny S. Petersen
  • Martin Sillesen

most important research paper

COVID-19 in South Africa: outbreak despite interventions

  • Malte Schröder
  • Andreas Bossert
  • Jan Schlüter

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