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

Evaluation of the Virtual Interviews for Resident Recruitment Due to COVID-19 Travel Restrictions: A Nationwide Survey of US Senior Medical Students.

Family medicine·2022

Same author

Impact of the COVID-19 Pandemic on Trauma Service Utilization at a New York City Level I Trauma Center.

Pragmatic and observational research·2022

Same author

The glitz and glamour randomized trial: the effect of fingernail polish on post-caesarean surgical site infection.

Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology·2022

Same author

Evaluation of the Virtual Interview Format for Resident Recruitment as a Result of COVID-19 Restrictions: Residency Program Directors' Perspectives.

Academic medicine : journal of the Association of American Medical Colleges·2022

Same author

The virtual interview format for fellowship recruitment in obstetrics and gynecology: a nationwide survey of program directors.

Medical education online·2022

Same author

Maternal anthropometric measurements and correlation to maternal and fetal outcomes in late pregnancy.

Women's health (London, England)·2022

Same journal

A Systematic Review of Heat Exposure on Fetal Heart Rate: More Evidence is Urgently Needed.

American journal of obstetrics & gynecology MFM·2026

Same journal

The development of chronic hypertension in a subsequent pregnancy after pre-eclampsia with severe features based on gestational age.

American journal of obstetrics & gynecology MFM·2026

Same journal

Outcomes with cerclage for short cervix ≤20.9mm before 24 weeks in singletons without prior preterm birth: a focused meta-analysis of randomized controlled trials.

American journal of obstetrics & gynecology MFM·2026

Same journal

The association of maternal body mass index and cesarean delivery after preterm induction of labor.

American journal of obstetrics & gynecology MFM·2026

Same journal

Skin incision-to-delivery interval and neonatal outcomes: A retrospective cohort study.

American journal of obstetrics & gynecology MFM·2026

Same journal

Impact of maternal obesity on ultrasonographic characterization of placenta accreta spectrum.

American journal of obstetrics & gynecology MFM·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Nov 24, 2025

Proboscis Extension Response PER Assay in Drosophila

Proboscis Extension Response PER Assay in Drosophila

Published on: April 29, 2007

Reply

Nisha A Lakhi¹

¹New York Medical College, Department of Obstetrics and Gynecology, Valhalla, New York; Richmond University Medical Center, Department of Obstetrics and Gynecology, Staten Island, New York.

American Journal of Obstetrics & Gynecology MFM

|December 21, 2020

Summary

No abstract available in PubMed .

More Related Videos

In Vitro Scratch Assay to Demonstrate Effects of Arsenic on Skin Cell Migration

In Vitro Scratch Assay to Demonstrate Effects of Arsenic on Skin Cell Migration

Published on: February 23, 2019

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

Related Experiment Videos

Last Updated: Nov 24, 2025

Proboscis Extension Response PER Assay in Drosophila

Proboscis Extension Response PER Assay in Drosophila

Published on: April 29, 2007

In Vitro Scratch Assay to Demonstrate Effects of Arsenic on Skin Cell Migration

In Vitro Scratch Assay to Demonstrate Effects of Arsenic on Skin Cell Migration

Published on: February 23, 2019

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