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

Cleaning, Sterilization, and Disinfection01:30

Cleaning, Sterilization, and Disinfection

9.7K
Cleaning, disinfection, and sterilization are the methods that help to break the infection chain and prevent disease.
Cleaning
The cleaning process usually involves using water with detergents or enzymatic cleaner and removing foreign material from objects and surfaces, including organic material such as body fluids or inorganic material like soil. Cleaning is performed before high-level disinfection and sterilization because foreign materials on the cover of the devices interfere with process...
9.7K
Dry Friction01:30

Dry Friction

950
Dry friction occurs between two solid surfaces in contact as they attempt to move relative to one another. In daily life, dry friction is encountered in various forms, such as when walking on the ground, sliding an object across a table, or rubbing hands together. Despite its ubiquity, the underlying mechanisms behind dry friction are not readily visible.
To illustrate this concept, imagine a wooden crate resting on a rough, non-uniform horizontal surface. When an external force is applied to...
950
Drying Shrinkage01:21

Drying Shrinkage

365
When hardened concrete is exposed to air with a relative humidity of less than 100 percent, it begins to lose the free water within its capillaries. As this water evaporates, the water initially adsorbed onto the calcium silicate hydrates migrates towards these now empty spaces and eventually evaporates as well. Over time, as more water leaves, the volume of the concrete decreases, a phenomenon known as drying shrinkage.
A portion of this drying shrinkage can be reversed; if the concrete is...
365
Characteristics of Dry Friction01:21

Characteristics of Dry Friction

968
Dry friction occurs when two solid surfaces slide against each other without any lubrication or fluid present. It causes resistance when pushing objects along a surface, like a gardener pushing a wheelbarrow. The force applied to move the cart causes dry friction between the wheel and the ground.
Before the wheelbarrow starts moving, the static frictional force acts tangentially to the contact surface, opposing the force that is about to induce the motion. This frictional force prevents the...
968
Surface Tension and Surface Energy01:16

Surface Tension and Surface Energy

3.2K
When a paint brush is immersed in water, the bristles wave freely inside the water. When it is taken out, the bristles stick together. The reason behind this effect is surface tension.
Consider a beaker filled with liquid. The bulk molecules in the liquid experience equal attractive forces on all sides with the surrounding molecules. However, the surface molecules experience a net attractive force downward due to the bulk molecules. The surface of the liquid behaves like a stretched membrane,...
3.2K
Washing, Drying, and Ignition of Precipitates00:52

Washing, Drying, and Ignition of Precipitates

6.3K
After filtration, the precipitate is washed to remove coprecipitated impurities and any remaining mother liquor. Colloidal precipitates, such as silver chloride, are washed with an electrolyte (such as dilute nitric acid) to prevent the peptization of the precipitate. In the case of slightly soluble precipitates, the wash solution contains a common ion to reduce solubility. Lead sulfate, which is slightly soluble in water, is washed with dilute sulfuric acid. Similarly, wash solutions may be...
6.3K

You might also read

Related Articles

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

Sort by
Same author

DHRS9 generates crotonyl-CoA from butyryl-CoA to epigenetically regulate STING transcription and potentiate immune activation.

Cell death and differentiation·2026
Same author

Using Importance Sampling to Estimate <i>p</i>-values in All-Subset Meta-Analysis, with Applications to Single-Cell eQTL Mapping.

ArXiv·2026
Same author

Unveiling Spin and Poynting Dual Textures of an Optical Skyrmionic Tube in Free Space.

Physical review letters·2026
Same author

Multi-adaptive super-resolving pupil filter for sub-diffraction limited focusing and imaging.

Optics express·2026
Same author

A parsimonious preoperative prediction model for postoperative sepsis following upper urinary tract calculi surgery.

Urolithiasis·2026
Same author

Large-scale association study identifies lung cancer susceptibility copy number variants and their potential functional role in genetic instability.

medRxiv : the preprint server for health sciences·2026

Related Experiment Video

Updated: Jan 26, 2026

Preparation of Functional Silica Using a Bioinspired Method
08:04

Preparation of Functional Silica Using a Bioinspired Method

Published on: August 1, 2018

17.8K

Bioinspired Photodetachable Dry Self-Cleaning Surface.

Pei Chen1, Xudong Li1, Junfei Ma2

  • 1Institute of Electronics Packaging Technology & Reliability, College of Mechanical Engineering & Applied Electronics Technology , Beijing University of Technology , Beijing 100124 , China.

Langmuir : the ACS Journal of Surfaces and Colloids
|April 17, 2019
PubMed
Summary

Researchers developed novel gecko-inspired adhesives using carbon dot-doped PDMS. These smart surfaces detach with UV light and exhibit enhanced self-cleaning, overcoming key limitations in current synthetic gecko adhesives.

More Related Videos

Bioinspired Soft Robot with Incorporated Microelectrodes
08:24

Bioinspired Soft Robot with Incorporated Microelectrodes

Published on: February 28, 2020

9.3K
Failure of Cleaning Verification in Pharmaceutical Industry Due to Uncleanliness of Stainless Steel Surface
07:00

Failure of Cleaning Verification in Pharmaceutical Industry Due to Uncleanliness of Stainless Steel Surface

Published on: August 11, 2017

8.6K

Related Experiment Videos

Last Updated: Jan 26, 2026

Preparation of Functional Silica Using a Bioinspired Method
08:04

Preparation of Functional Silica Using a Bioinspired Method

Published on: August 1, 2018

17.8K
Bioinspired Soft Robot with Incorporated Microelectrodes
08:24

Bioinspired Soft Robot with Incorporated Microelectrodes

Published on: February 28, 2020

9.3K
Failure of Cleaning Verification in Pharmaceutical Industry Due to Uncleanliness of Stainless Steel Surface
07:00

Failure of Cleaning Verification in Pharmaceutical Industry Due to Uncleanliness of Stainless Steel Surface

Published on: August 11, 2017

8.6K

Area of Science:

  • Materials Science
  • Biomimetics
  • Nanotechnology

Background:

  • Geckos possess remarkable climbing abilities due to specialized adhesive structures.
  • Current gecko-inspired synthetic adhesives (GSAs) mimic gecko locomotion but struggle with easy detachment and self-cleaning.
  • Addressing these limitations is crucial for advancing GSAs in practical applications.

Purpose of the Study:

  • To develop a novel photodetachable mechanism for bioinspired smart surfaces.
  • To enhance the self-cleaning capabilities of gecko-inspired synthetic adhesives (GSAs).
  • To utilize carbon dot (CD)-doped polydimethylsiloxane (PDMS) composites for improved GSA performance.

Main Methods:

  • Fabrication of carbon dot (CD)-doped polydimethylsiloxane (PDMS) composites.
  • Investigation of photodetachable properties under ultraviolet (UV) irradiation.
  • Evaluation of dry self-cleaning capabilities using a load-drag-pull (LDP) test with polystyrene (PS) micropellets.

Main Results:

  • UV irradiation triggered up to an 80.46% reduction in adhesion force for PDMS-CDs surfaces.
  • Dry self-cleaning tests showed a falling rate of up to 54.83% for model contaminants after seven repeated steps under UV irradiation.
  • The photothermal effect of CDs within the PDMS matrix significantly enhanced self-cleaning.

Conclusions:

  • A novel photodetachable mechanism using CD-doped PDMS composites was successfully demonstrated.
  • The developed bioinspired surfaces exhibit significantly improved dry self-cleaning capabilities.
  • This technology holds potential for applications in climbing robots, space devices, and advanced gripping systems.