Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Reproductive Cloning01:27

Reproductive Cloning

32.7K
Reproductive cloning is the process of producing a genetically identical copy—a clone—of an entire organism. While clones can be produced by splitting an early embryo—similar to what happens naturally with identical twins—cloning of adult animals is usually done by a process called somatic cell nuclear transfer (SCNT).
Somatic Cell Nuclear Transfer
In SCNT, an egg cell is taken from an animal and its nucleus is removed, creating an enucleated egg. Then a somatic...
32.7K
Energy Basics02:27

Energy Basics

47.6K
Chemical reactions, such as those that occur when you light a match, involve changes in energy as well as matter.
47.6K
Asexual Reproduction02:38

Asexual Reproduction

37.4K
Asexual reproduction allows plants to reproduce without growing flowers, attracting pollinators, or dispersing seeds. Offspring are genetically identical to the parent and produced without the fusion of male and female gametes.
37.4K
Overview of the Reproductive System01:31

Overview of the Reproductive System

5.4K
The reproductive system generates offspring, ensuring the survival of the species. In humans, the reproductive system is complex and involves a variety of organs and hormones that work together to ensure successful reproduction.
The gonads, or primary reproductive organs, produce gametes and sex hormones. In males, the testes produce spermatozoa and testosterone, which is responsible for developing secondary male sex characteristics, including a deeper voice, larger muscles, facial and body...
5.4K
Basicity of Aliphatic Amines01:21

Basicity of Aliphatic Amines

6.9K
Amines can behave as Brønsted–Lowry bases by accepting a proton from the acid to form corresponding conjugate acids. Due to a lone pair of nonbonding electrons, aliphatic amines can also act as Lewis bases by forming a covalent bond with an electrophile.
To measure the basicity of amines, two conventions are generally used. The first defines Kb as the basicity constant for the deprotonation reaction of water by the amine, as presented in Figure 1. Conventionally, lower Kb indicates higher...
6.9K
Basic Operations on Signals01:22

Basic Operations on Signals

1.1K
Basic signal operations include time reversal, time scaling, time shifting, and amplitude transformations. These operations are fundamental in signal processing and analysis.
Time Reversal mirrors a continuous-time signal about the vertical axis at t=0. This is achieved by substituting t with −t. For example, if a signal x(t) is considered, the time-reversed signal is x(−t). This operation can be graphically represented, showing the mirrored signal.
1.1K

You might also read

Related Articles

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

Sort by
Same author

Evaluating demographic variation in no-cost naloxone distribution in North Carolina: a cross-sectional survey study.

Harm reduction journal·2026
Same author

Deep Tubewell Use and Child Diarrhea in Rural Bangladesh: Results from a Prospective Community Surveillance Study.

Environmental health perspectives·2026
Same author

The economic and health consequences of shared clinical decision-making for hepatitis B birth dose vaccination.

Journal of medical economics·2026
Same author

The Political Determinants of Obstetric Prescribing.

Obstetrics and gynecology·2026
Same author

When Task Shifting Becomes Responsibility Laundering.

The American journal of bioethics : AJOB·2026
Same author

Psychedelic Use, Microdosing, Motives, and Information and Product Sources Among Young Adults in the United States.

Journal of psychoactive drugs·2026

Related Experiment Video

Updated: Jan 31, 2026

Basic Methods for the Study of Reproductive Ecology of Fish in Aquaria
07:25

Basic Methods for the Study of Reproductive Ecology of Fish in Aquaria

Published on: July 20, 2017

12.0K

Complexity of the Basic Reproduction Number (R0).

Paul L Delamater, Erica J Street, Timothy F Leslie

    Emerging Infectious Diseases
    |December 19, 2018
    PubMed
    Summary

    The basic reproduction number (R0) measures infectiousness but is often misunderstood. This epidemiologic metric requires careful estimation and application due to its complexity and susceptibility to misinterpretation.

    Keywords:
    R0basic reproduction numberbasic reproduction ratebasic reproduction ratiobasic reproductive ratedisease outbreaksinfectious disease transmissionmathematical modelingoutbreakstheoretical models

    More Related Videos

    Ultrasonography in Experimental Reproductive Investigations on Rats
    07:59

    Ultrasonography in Experimental Reproductive Investigations on Rats

    Published on: December 2, 2017

    15.1K
    Reproductive Techniques for Ovarian Monitoring and Control in Amphibians
    04:37

    Reproductive Techniques for Ovarian Monitoring and Control in Amphibians

    Published on: May 12, 2019

    16.3K

    Related Experiment Videos

    Last Updated: Jan 31, 2026

    Basic Methods for the Study of Reproductive Ecology of Fish in Aquaria
    07:25

    Basic Methods for the Study of Reproductive Ecology of Fish in Aquaria

    Published on: July 20, 2017

    12.0K
    Ultrasonography in Experimental Reproductive Investigations on Rats
    07:59

    Ultrasonography in Experimental Reproductive Investigations on Rats

    Published on: December 2, 2017

    15.1K
    Reproductive Techniques for Ovarian Monitoring and Control in Amphibians
    04:37

    Reproductive Techniques for Ovarian Monitoring and Control in Amphibians

    Published on: May 12, 2019

    16.3K

    Area of Science:

    • Epidemiology
    • Infectious Disease Dynamics

    Background:

    • The basic reproduction number (R0) is a key metric for assessing pathogen transmissibility.
    • Numerous factors influence R0, necessitating complex mathematical modeling for estimation.

    Purpose of the Study:

    • To clarify the definition and limitations of the basic reproduction number (R0).
    • To highlight common misinterpretations and misapplications of R0 values.

    Main Methods:

    • Review of epidemiological literature on R0.
    • Analysis of factors influencing R0 estimation.
    • Discussion of R0's properties and limitations.

    Main Results:

    • R0 is influenced by biological, social, and environmental factors.
    • Modeled R0 values are dependent on model assumptions and structures.
    • R0 is not a biological constant, a rate over time, or a measure of disease severity.

    Conclusions:

    • R0 requires cautious estimation, reporting, and application.
    • Misrepresentation and misinterpretation of R0 are common.
    • R0 cannot be directly modified by vaccination campaigns.