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

Reaction Quotient

Reaction Quotient

The status of a reversible reaction is conveniently assessed by evaluating its reaction quotient (Q). For a reversible reaction described by m A + n B ⇌ x C + y D, the reaction quotient is derived directly from the stoichiometry of the balanced equation as

Reaction Rate

Reaction Rate

The rate of reaction is the change in the amount of a reactant or product per unit time. Reaction rates are therefore determined by measuring the time dependence of some property that can be related to reactant or product amounts. Rates of reactions that consume or produce gaseous substances, for example, are conveniently determined by measuring changes in volume or pressure.
The mathematical representation of the change in the concentration of reactants and products, over time, is the rate...

Reaction Mechanisms

Reaction Mechanisms

Chemical reactions often occur in a stepwise fashion, involving two or more distinct reactions taking place in a sequence. A balanced equation indicates the reacting species and the product species, but it reveals no details about how the reaction occurs at the molecular level. The reaction mechanism (or reaction path) provides details regarding the precise, step-by-step process by which a reaction occurs.
For instance, the decomposition of ozone appears to follow a mechanism with two steps:

Support Reactions

Support Reactions

A coplanar force system refers to a set of forces that all lie in the same plane and are subject to different reactions between the point of contact and the supports. Understanding how different types of supports affect coplanar forces is crucial for designing safe and reliable structures that can withstand external loads.
The purpose of the supports is to prevent the translational motion of the system by applying an equal and opposite force and to prevent the system's rotation by applying...

Responses to Salt Stress

Responses to Salt Stress

Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.

Reaction Yield

Reaction Yield

The theoretical yield of a reaction is the amount of product estimated to form based on the stoichiometry of the balanced chemical equation. The theoretical yield assumes the complete conversion of the limiting reactant into the desired product. The amount of product that is obtained by performing the reaction is called the actual yield, and it may be less than or (very rarely) equal to the theoretical yield.

You might also read

Related Articles

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

Sort by

Same author

Fidelity in the context of adapting a digital intervention for depression from an evidence-based in-person format in Vietnam.

BMC health services research·2026

Same author

Comparative analysis of neuropsychological impairments between Cushing's disease and non-functioning pituitary adenoma patients: the roles of HPA axis hormones and inflammatory markers in a prospective cohort study.

Endokrynologia Polska·2026

Same author

Case Report: Successful treatment of refractory generalized pustular psoriasis with xeligekimab: a report of two cases.

Frontiers in immunology·2026

Same author

Long-Acting Injectable Cabotegravir Use and Persistence Over 2 Years.

JAMA network open·2026

Same author

Comparative effectiveness of alternative times to opioid agonist treatment taper initiation on taper completion and all-cause mortality among people with opioid use disorder: A retrospective population-based target trial emulation study in British Columbia, Canada, 2010-2020.

Addiction (Abingdon, England)·2026

Same author

The comparative effects of prenatal exposure to methadone versus buprenorphine for opioid use disorder on neonatal outcomes: a systematic review and meta-analysis.

BMC pregnancy and childbirth·2026

Same journal

HIV seroprevalence, incidence, and viral suppression among Ugandan female bar workers: a population-based study.

Journal of acquired immune deficiency syndromes (1999)·2026

Same journal

Evaluating Associations Between Cumulative Use of Chronic Liver Injury-Inducing Antiretroviral Therapy and Hepatocellular Carcinoma, By Chronic Liver Disease Status.

Journal of acquired immune deficiency syndromes (1999)·2026

Same journal

Men's preferences for HIV self-test distribution strategies in Uganda: A discrete choice experiment.

Journal of acquired immune deficiency syndromes (1999)·2026

Same journal

Preferences for HIV testing among partners of transgender women in Lima, Peru: a discrete choice experiment.

Journal of acquired immune deficiency syndromes (1999)·2026

Same journal

Trends in sexually transmitted infections by PrEP use among cisgender men who have sex with men in New York City, 2014-2023.

Journal of acquired immune deficiency syndromes (1999)·2026

Same journal

Birth and Infant Growth Outcomes Following Prenatal Exposure to Bictegravir.

Journal of acquired immune deficiency syndromes (1999)·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Aug 29, 2025

Proboscis Extension Response PER Assay in Drosophila

Proboscis Extension Response PER Assay in Drosophila

Published on: April 29, 2007

Reply

Bohdan Nosyk^1,2, Xiao Zang³, Emanuel Krebs^1,2

¹Faculty of Health Sciences, Simon Fraser University; Burnaby, British Columbia, Canada.

Journal of Acquired Immune Deficiency Syndromes (1999)

|September 12, 2022

Summary

No abstract available in PubMed .

More Related Videos

A Proboscis Extension Response Protocol for Investigating Behavioral Plasticity in Insects: Application to Basic, Biomedical, and Agricultural Research

A Proboscis Extension Response Protocol for Investigating Behavioral Plasticity in Insects: Application to Basic, Biomedical, and Agricultural Research

Published on: September 8, 2014

A Behavioral Assay to Measure Responsiveness of Zebrafish to Changes in Light Intensities

A Behavioral Assay to Measure Responsiveness of Zebrafish to Changes in Light Intensities

Published on: October 3, 2008

Related Experiment Videos

Last Updated: Aug 29, 2025

Proboscis Extension Response PER Assay in Drosophila

Proboscis Extension Response PER Assay in Drosophila

Published on: April 29, 2007

A Proboscis Extension Response Protocol for Investigating Behavioral Plasticity in Insects: Application to Basic, Biomedical, and Agricultural Research

A Proboscis Extension Response Protocol for Investigating Behavioral Plasticity in Insects: Application to Basic, Biomedical, and Agricultural Research

Published on: September 8, 2014

A Behavioral Assay to Measure Responsiveness of Zebrafish to Changes in Light Intensities

A Behavioral Assay to Measure Responsiveness of Zebrafish to Changes in Light Intensities

Published on: October 3, 2008