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

Ecological Succession02:17

Ecological Succession

21.5K
Ecological succession is influenced by the processes of facilitation, inhibition, and toleration. Facilitation occurs when early successional species create more favorable ecological conditions for subsequent species, such as enhanced nutrient, water, or light availability. In contrast, inhibition happens when early successional species create unfavorable ecological conditions for potential successive species, such as limiting resource availability. In some cases, later successional species...
21.5K
Rolling Without Slipping01:09

Rolling Without Slipping

5.3K
People have observed the rolling motion without slipping ever since the invention of the wheel. For example, one can look at the interaction between a car's tires and the surface of the road. If the driver presses the accelerator to the floor so that the tires spin without the car moving forward, there must be kinetic friction between the wheels and the road's surface. If the driver slowly presses the accelerator, causing the car to move forward, the tires roll without slipping. It is...
5.3K
Rolling With Slipping01:14

Rolling With Slipping

7.9K
Rolling with slipping is a physical phenomenon that occurs when a rolling object experiences both rotational and linear motion but also experiences frictional forces that cause slipping. This phenomenon can occur in various situations, such as when a tire rolls on a wet road or a ball rolls on a rough surface.
An object's rolling motion is characterized by its rotation around its axis, while linear motion refers to the object's translational motion along a surface. Frictional forces can...
7.9K
Global Climate Change01:50

Global Climate Change

28.9K
Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
28.9K
Rolling Resistance01:21

Rolling Resistance

659
When a solid cylinder rolls steadily on a rigid surface, the normal force applied by the surface on the cylinder is perpendicular to the tangent at the contact point. However, since no materials are entirely rigid, the surface's reaction to the cylinder involves a range of normal pressures.
For instance, imagine a hard cylinder rolling on a comparatively soft surface. The cylinder's weight compresses the surface beneath it. As the cylinder moves, the material in front of it slows down due to...
659
Rolling Resistance: Problem Solving01:17

Rolling Resistance: Problem Solving

819
Rolling resistance, also known as rolling friction, is the force that resists the motion of a rolling object, such as a wheel, tire, or ball, when it moves over a surface. It is caused by the deformation of the object and the surface in contact with each other, as well as other factors like internal friction, hysteresis, and energy losses within the materials. Rolling resistance opposes the object's motion, requiring additional energy to overcome it and maintain movement. In practical...
819

You might also read

Related Articles

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

Sort by
Same author

A Narrative Review of Remote Biospecimen Collection Product and Implementation Considerations for Sexual Health Clinical Research.

AIDS and behavior·2026
Same author

Socio-ecological vulnerability subgroups predict adherence and treatment outcomes in multidrug-resistant tuberculosis and HIV: a latent class analysis.

BMC infectious diseases·2026
Same author

Early adherence predicts treatment outcomes and mortality in people living with HIV and multidrug-resistant tuberculosis.

Annals of epidemiology·2026
Same author

The results of a web-based randomized controlled intervention trial to improve antiretroviral therapy (ART) adherence among Youth with HIV (YouTHrive, ATN 135) during the COVID-19 pandemic.

mHealth·2026
Same author

Staff Perspectives on Implementation of Long-Acting Injectable Preexposure Prophylaxis at a Low-Barrier Syringe Services Program in Philadelphia, PA.

Journal of the International Association of Providers of AIDS Care·2026
Same author

Point-of-Care Urine Tenofovir Drug-Level Feedback Counseling Improves Long-Term Pre-exposure Prophylaxis Adherence for US Men Who Have Sex With Men in Pilot RCT.

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America·2026

Related Experiment Video

Updated: Jan 30, 2026

In situ Grazing Incidence Small Angle X-ray Scattering on Roll-To-Roll Coating of Organic Solar Cells with Laboratory X-ray Instrumentation
06:49

In situ Grazing Incidence Small Angle X-ray Scattering on Roll-To-Roll Coating of Organic Solar Cells with Laboratory X-ray Instrumentation

Published on: March 2, 2021

6.7K

Global PrEP roll-out: recommendations for programmatic success.

K Rivet Amico1, Linda-Gail Bekker2

  • 1School of Public Health, University of Michigan, Ann Arbor, MI, USA.

The Lancet. HIV
|January 21, 2019
PubMed
Summary

Effective pre-exposure prophylaxis (PrEP) roll-out requires improved messaging. Shifting from selective marketing to inclusive wellness framing can reduce stigma and enhance HIV prevention strategies.

More Related Videos

Local and Global Methods of Assessing Thermal Nociception in Drosophila Larvae
10:53

Local and Global Methods of Assessing Thermal Nociception in Drosophila Larvae

Published on: May 18, 2012

16.4K
Imaging Molecular Adhesion in Cell Rolling by Adhesion Footprint Assay
08:24

Imaging Molecular Adhesion in Cell Rolling by Adhesion Footprint Assay

Published on: September 27, 2021

3.6K

Related Experiment Videos

Last Updated: Jan 30, 2026

In situ Grazing Incidence Small Angle X-ray Scattering on Roll-To-Roll Coating of Organic Solar Cells with Laboratory X-ray Instrumentation
06:49

In situ Grazing Incidence Small Angle X-ray Scattering on Roll-To-Roll Coating of Organic Solar Cells with Laboratory X-ray Instrumentation

Published on: March 2, 2021

6.7K
Local and Global Methods of Assessing Thermal Nociception in Drosophila Larvae
10:53

Local and Global Methods of Assessing Thermal Nociception in Drosophila Larvae

Published on: May 18, 2012

16.4K
Imaging Molecular Adhesion in Cell Rolling by Adhesion Footprint Assay
08:24

Imaging Molecular Adhesion in Cell Rolling by Adhesion Footprint Assay

Published on: September 27, 2021

3.6K

Area of Science:

  • Public Health
  • HIV Prevention
  • Biomedical Interventions

Background:

  • Pre-exposure prophylaxis (PrEP) is a key biomedical intervention for HIV prevention.
  • Current PrEP implementation faces challenges due to flawed messaging and selective service provision.
  • Marketing strategies can inadvertently contribute to stigma and slow PrEP adoption.

Purpose of the Study:

  • To analyze current PrEP marketing and roll-out strategies.
  • To identify pitfalls in messaging, branding, and service integration.
  • To propose alternative marketing approaches for broader PrEP adoption and reduced stigma.

Main Methods:

  • Exploration of PrEP promotion in awareness messaging (the sell).
  • Analysis of PrEP marketing to specific groups (the brand).
  • Evaluation of PrEP service delivery as a standalone offering (product placement).

Main Results:

  • Current strategies focusing on selective targeting and siloed services can slow PrEP roll-out.
  • Marketing approaches can inadvertently increase stigma associated with PrEP use.
  • Alternative strategies can promote wider acceptance and holistic health integration.

Conclusions:

  • Reframing PrEP messaging towards protection or wellness is crucial.
  • Branding PrEP as universally accessible, not group-specific, is essential.
  • Integrating PrEP into broader health services enhances its appeal and reduces stigma.