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

Core Oculoplastic Procedure Skills for the Comprehensive Ophthalmologist: A Consensus by Delphi Methodology.

Ophthalmic plastic and reconstructive surgery·2026

Same author

Operating Room Access: Survey of the American Society of Retina Specialists.

Journal of vitreoretinal diseases·2026

Same author

Partnering to Improve Pickleball Ocular Safety Awareness.

JAMA ophthalmology·2026

Same author

Underfunding of a Patient Copay Assistance Program and the Impact on Retinal Disease Care: Survey of ASRS Members.

Journal of vitreoretinal diseases·2026

Same author

Risk of Ocular Hypertension With Intravitreal Triamcinolone Compared to the Dexamethasone Implant.

Journal of vitreoretinal diseases·2026

Same author

Comparison of Medicaid vs Medicare Reimbursement Rates for Vitreoretinal Surgeries in the United States.

Journal of vitreoretinal diseases·2026

Same journal

Reply to Comment on "Clinicopathological and Imaging Distinction Between Ocular Adnexal MALT Lymphoma and IgG4-Related Ophthalmic Disease".

American journal of ophthalmology·2026

Same journal

Comment on: Visual Field Progression in Glaucoma Patients With Delayed Follow-Up.

American journal of ophthalmology·2026

Same journal

Corneal sensitivity changes and nerve plexus abnormalities in noninfectious anterior uveitis.

American journal of ophthalmology·2026

Same journal

Role of Menopausal Hormone Therapy on Strabismus, Strabismus Surgery, and Reoperation Rates.

American journal of ophthalmology·2026

Same journal

Forging Ahead: The Need for Improved Representation in Academic Ophthalmology.

American journal of ophthalmology·2026

Same journal

Clinical Utility of Ultra-Widefield Swept-Source OCT for Intraocular Tumors: Comparison With Ultrasonography, SD-OCT, and MRI.

American journal of ophthalmology·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Mar 5, 2026

Proboscis Extension Response PER Assay in Drosophila

Proboscis Extension Response PER Assay in Drosophila

Published on: April 29, 2007

Reply

Rupin N Parikh¹, Anastasia Traband², Anton M Kolomeyer²

¹Philadelphia, Pennsylvania, and Albany, New York.

American Journal of Ophthalmology

|March 23, 2017

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: Mar 5, 2026

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