Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

SI Units: 2019 Redefinition

SI Units: 2019 Redefinition

Measurement is an indispensable part of analytical chemistry. The result of measurement helps quantify a substance's physical property and compare it with the physical property of another substance. Each measurement comprises two components - a number indicating the magnitude and a unit of measurement as a standard for comparison. Further, the same quantity can be measured using different units of measurement, which leads to differences in magnitude.
A standard set of units has been defined...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Same Pill, Different Impact - Reassessing the Efficacy of Nirmatrelvir-Ritonavir.

The New England journal of medicine·2026

Same author

Target Trial Emulation of Vaccine Effectiveness in 5- to 17-years-olds with Prior SARS-CoV-2 Infection.

Nature communications·2026

Same author

Analyzing Real-World Infection Risk in Multiple Myeloma Patients Receiving Teclistamab.

Current oncology (Toronto, Ont.)·2026

Same author

Treatment and prevention of HIV/AIDS: Unfinished business.

PLoS medicine·2025

Same author

Modernizing Research and Evidence Consensus Definitions: A Food and Drug Administration-National Institutes of Health Collaboration.

JAMA network open·2025

Same author

Dose-dependent impact of tixagevimab-cilgavimab as primary prevention against SARS-CoV-2 in immunocompromised individuals.

Scientific reports·2025

Same journal

Ebola at 50 - Lessons for Outbreak Response and Preparedness.

The New England journal of medicine·2026

Same journal

Ianalumab plus Eltrombopag in Immune Thrombocytopenia. Reply.

The New England journal of medicine·2026

Same journal

Ianalumab plus Eltrombopag in Immune Thrombocytopenia.

The New England journal of medicine·2026

Same journal

Hypertension Control in Low-Income Patients. Reply.

The New England journal of medicine·2026

Same journal

Hypertension Control in Low-Income Patients.

The New England journal of medicine·2026

Same journal

Hypertension Control in Low-Income Patients.

The New England journal of medicine·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Jan 26, 2026

Paramyxoviruses for Tumor-targeted Immunomodulation: Design and Evaluation Ex Vivo

Paramyxoviruses for Tumor-targeted Immunomodulation: Design and Evaluation Ex Vivo

Published on: January 7, 2019

Measles in 2019 - Going Backward

Catharine I Paules¹, Hilary D Marston¹, Anthony S Fauci¹

¹From the Department of Infectious Diseases, Penn State University College of Medicine, Milton S. Hershey Medical Center, Hershey, PA (C.I.P.); and the Office of the Director, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD (H.D.M., A.S.F.).

The New England Journal of Medicine

|April 18, 2019

Summary

No abstract available in PubMed .

More Related Videos

Assessing Intertidal Populations of the Invasive European Green Crab

Assessing Intertidal Populations of the Invasive European Green Crab

Published on: September 16, 2020

High-throughput Screening for Broad-spectrum Chemical Inhibitors of RNA Viruses

High-throughput Screening for Broad-spectrum Chemical Inhibitors of RNA Viruses

Published on: May 5, 2014

Related Experiment Videos

Last Updated: Jan 26, 2026

Paramyxoviruses for Tumor-targeted Immunomodulation: Design and Evaluation Ex Vivo

Paramyxoviruses for Tumor-targeted Immunomodulation: Design and Evaluation Ex Vivo

Published on: January 7, 2019

Assessing Intertidal Populations of the Invasive European Green Crab

Assessing Intertidal Populations of the Invasive European Green Crab

Published on: September 16, 2020

High-throughput Screening for Broad-spectrum Chemical Inhibitors of RNA Viruses

High-throughput Screening for Broad-spectrum Chemical Inhibitors of RNA Viruses

Published on: May 5, 2014