• Email Us: [email protected]
  • Contact Us: +1 718 874 1545
  • Skip to main content
  • Skip to primary sidebar

Medical Market Report

  • Home
  • All Reports
  • About Us
  • Contact Us

New Liquid-Like Surface Is The Slipperiest In The World

October 24, 2023 by Deborah Bloomfield

Whether water sticks to a surface or not depends on multiple factors, and friction is a pretty important one. If the chemical composition of a surface is uniform, the expectation is that water will flow away pretty fast. A more complex surface should be doing that less well. New research revealed that the situation is not as clear-cut.

The surface in question was made of silicon and coated with a “self-assembled monolayer” or SAM. These SAMs are molecular layers that can move about like a liquid, but are strongly tethered to the surface below. SAMs act like a lubricant between the water droplets and the surface.

Advertisement

The team was able to control how much of a SAM was forming on the surface, knowing at a nanoscale level the complexity (heterogeneity) of the surface. They found that with too great or too small a SAM, water will flow quickly. 

“Our work is the first time that anyone has gone directly to the nanometer-level to create molecularly heterogenous surfaces,” lead author and doctoral researcher Sakari Lepikko, from Aalto University, said in a statement. “We found that, instead, water flows freely between the molecules of the SAM at low SAM coverage, sliding off the surface. And when the SAM coverage is high, the water stays on top of the SAM and slides off just as easily. It’s only in between these two states that water adheres to the SAMs and sticks to the surface.”

Thanks to SAMs, the team was able to create the slipperiest liquid surface in the world, a discovery that the researchers believe might lead to many intriguing applications. Droplet-repellent surfaces are an extremely frequent requirement.

“Things like heat transfer in pipes, de-icing and anti-fogging are potential uses. It will also help with microfluidics, where tiny droplets need to be moved around smoothly, and with creating self-cleaning surfaces. Our counterintuitive mechanism is a new way to increase droplet mobility anywhere it’s needed,” Lepikko added.

Advertisement

But do not expect these applications to materialize immediately. SAMs have potential but also limitations, and it is important to acknowledge them. But studying them might allow scientists to overcome them or find something similar that lacks the same problems, as Lepikko explained.

“The main issue with a SAM coating is that it’s very thin, and so it disperses easily after physical contact. But studying them gives us fundamental scientific knowledge which we can use to create durable practical applications.”

The study is published in Nature Chemistry.

Deborah Bloomfield
Deborah Bloomfield

Related posts:

  1. China’s elite snowboarders herald new wave of Olympians
  2. Pinterest rolls out new ‘Havens’ mental health support space
  3. San Francisco Reverses Decision To Let Police Robots Kill Citizens
  4. The Archaeologist Who “Found” Ancient Egyptian Hieroglyphs In The Grand Canyon

Source Link: New Liquid-Like Surface Is The Slipperiest In The World

Filed Under: News

Primary Sidebar

  • Project Hail Mary Trailer First Look: What Would Happen If The Sun Got Darker?
  • Newly Discovered Cell Structure Might Hold Key To Understanding Devastating Genetic Disorders
  • What Is Kakeya’s Needle Problem, And Why Do We Want To Solve It?
  • “I Wasn’t Prepared For The Sheer Number Of Them”: Cave Of Mummified Never-Before-Seen Eyeless Invertebrates Amazes Scientists
  • Asteroid Day At 10: How The World Is More Prepared Than Ever To Face Celestial Threats
  • What Happened When A New Zealand Man Fell Butt-First Onto A Powerful Air Hose
  • Ancient DNA Confirms Women’s Unexpected Status In One Of The Oldest Known Neolithic Settlements
  • Earth’s Weather Satellites Catch Cloud Changes… On Venus
  • Scientists Find Common Factors In People Who Have “Out-Of-Body” Experiences
  • Shocking Photos Reveal Extent Of Overfishing’s Impact On “Shrinking” Cod
  • Direct Fusion Drive Could Take Us To Sedna During Its Closest Approach In 11,000 Years
  • Earth’s Energy Imbalance Is More Than Double What It Should Be – And We Don’t Know Why
  • We May Have Misjudged A Fundamental Fact About The Cambrian Explosion
  • The Shoebill Is A Bird So Bizarre That Some People Don’t Even Believe It’s Real
  • Colossal’s “Dire Wolves” Are Now 6 Months Old – And They’ve Doubled In Size
  • How To Fake A Fossil: Find Out More In Issue 36 Of CURIOUS – Out Now
  • Is It True Earth Used To Take 420 Days To Orbit The Sun?
  • One Of The Ocean’s “Most Valuable Habitats” Grows The Only Flowers Known To Bloom In Seawater
  • World’s Largest Digital Camera Snaps 2,104 New Asteroids In 10 Hours, Mice With 2 Dads Father Their Own Offspring, And Much More This Week
  • Simplest Explanation For “Anomalous” Signals Coming From Underneath Antarctica Ruled Out
  • Business
  • Health
  • News
  • Science
  • Technology
  • +1 718 874 1545
  • +91 78878 22626
  • [email protected]
Office Address
Prudour Pvt. Ltd. 420 Lexington Avenue Suite 300 New York City, NY 10170.

Powered by Prudour Network

Copyrights © 2025 · Medical Market Report. All Rights Reserved.

Go to mobile version