Biomimicry
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Remora Robot Able to Adhere Quickly and Strongly to Underwater Objects

Remora Robot Able to Adhere Quickly and Strongly to Underwater Objects | Biomimicry | Scoop.it
A team of researchers from China and the U.S. has created a robot that is able to mimic a remora fish by adhering quickly and strongly to underwater objects.
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Researchers Uncover the Secret Behind Ivy’s Natural Adhesive

Researchers Uncover the Secret Behind Ivy’s Natural Adhesive | Biomimicry | Scoop.it

"Charles Darwin was the first to observe that Ivy exudes a liquid adhesive that helps it to cling to surfaces. Now researchers at Ohio State University have identified the protein that allows Ivy to stick. Nanospherical arabinogalactan proteins (AGPs) allow Ivy’s adhesive to enter nanoscale openings rather than just coating surfaces. Curing takes place due to calcium-driven electrostatic interactions among carboxyl groups of the AGPs and pectic acids. As water evaporates from the adhesive, chemical bonds are formed between adhesive and substrate. The researchers say that their discovery opens up the possibility of applying its findings to the development of adhesives for a wide range of applications ranging from medical adhesives to coatings and even cosmetics."

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Ford Looks to Make its Cars Easier to Recycle with Gecko Inspired Adhesive

Ford Looks to Make its Cars Easier to Recycle with Gecko Inspired Adhesive | Biomimicry | Scoop.it

"Dearborn, Michigan based car maker, Ford Motor Company, is working with Procter & Gamble to develop an adhesive inspired by geckos to improve the recyclability of its cars. Ford said that its researchers have considered ways to make auto manufacturing more sustainable for years. A key challenge is glue used to adhere foams to plastics and metals can make disassembling parts for recycling nearly impossible.

Enter the gecko. The company explained that the lizard’s toe pads allow it to stick to most surfaces without liquids or surface tension. The reptile can then easily release itself, leaving no residue.  [...] According to Debbie Mielewski, Ford senior technical leader for plastics and sustainability research, the gecko could inspire a host of adhesive innovations for global applications at Ford."

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Nature’s Strongest Super-Glue Comes Unstuck

Nature’s Strongest Super-Glue Comes Unstuck | Biomimicry | Scoop.it

"An international team of scientists led by Newcastle University, UK, and funded by the US Office of Naval Research, have shown for the first time that barnacle larvae release an oily droplet to clear the water from surfaces before sticking down using a phosphoprotein adhesive."

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Flypaper for Elephants: A New Adhesive is Based on Geckos' Feet

Flypaper for Elephants: A New Adhesive is Based on Geckos' Feet | Biomimicry | Scoop.it

"A team of scientists at the University of Massachusetts has developed a new, reusable adhesive based on the feet of the gecko – the lizard that licks its own eyeballs and climbs up walls. Around 60% of gecko species have adhesive toe pads and these pads were the inspiration for Geckskin – a device that can attach and detach from materials and surfaces repeatedly."

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Clingfish’s Super Strong Grip Could Inspire Better Adhesives

Clingfish’s Super Strong Grip Could Inspire Better Adhesives | Biomimicry | Scoop.it

"You know that pesky soap holder whose suction cup never stays attached to the shower wall? Scientists may now have a solution: mimic the clingfish.

These fish live in the intertidal zone—the area at the ocean’s edge where waves are constantly crashing against algae-covered rocks. Despite strong currents and even stronger waves, clingfish survive here by using the mechanism that earned them their name: they cling to the rocks with an adhesive disc on their abdomens that is unhindered by rough, slippery or wet surfaces. With this grip engaged, the fish can prey on mollusks attached to the rocks. We’re talking an unstoppable suction that is also fast and reversible."

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New Medical Technology Draws on Nature for Inspiration

New Medical Technology Draws on Nature for Inspiration | Biomimicry | Scoop.it
To solve such problems as medical tape that rips tender skin, scientists look to nature for answers.
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Sam McCormick's curator insight, March 20, 2013 8:55 AM

This article provides a number of examples of biomimetics informing medical technology. While not all are directly related to robotics, some do offer exciting possibilities including adhesive that sticks in wet conditions (for post implantation modifications or adhesion to internal anatomical structures) and a biodegradable chip that dissolves safely into the blood stream.

 

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Adhesion System of Remora Fish May Lead to Bio-Inspired Adhesive

Adhesion System of Remora Fish May Lead to Bio-Inspired Adhesive | Biomimicry | Scoop.it
A new study provides details of the structure and tissue properties of the unique adhesion system used by remora fish to attach themselves to sharks and other marine animals. The information could lead to a new engineered reversible adhesive.
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Here's to Hoping Geckskin (Biomimetic Gecko-Based Tape) Sticks Around

Here's to Hoping Geckskin (Biomimetic Gecko-Based Tape) Sticks Around | Biomimicry | Scoop.it

More than five years ago we first wrote about Geckel, a biomimetic adhesive based on geckos' and mussels' ability to stick to things. But as of this year the material was still "under development." Perhaps Duncan Irschick and Alfred Crosby, from UMass Amherst, will have better luck. The pair of scientists--one from Biology, the other from Polymer Science & Engineering--have devised "Geckskin," a reusable tape that can reportedly stick something weighing 700 pounds to a flat wall. Manufacturers of wall mounts for flatscreen TVs ought to be worried.

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Piyush_M's curator insight, June 2, 2017 9:01 AM
The global adhesive tapes market is expected to grow at a CAGR of 5.2% from 2017 to 2025. 


On the basis of coating technology, the market is divided into solvent, holt-melt, and dispersion-based markets. According to backing material, it is categorized into paper, polypropylene, polyvinyl chloride (PVC), and others, including foam, metal, PET (Polyethylene terephthalate), PA (Polyamide), PE (Polyethylene), and glass cloth. By type, it is classified into commodity and special adhesive tapes. On the basis of function, it is bifurcated into heat-sensitive, pressure-sensitive, drywall tape, and water-activated tape. On the basis of application, the market segmentation includes packaging, electrical & electronics, healthcare, white goods (refrigerators, dish washers, and washing machines), building & construction, automotive (interior and exterior), paper & printing, masking, consumer & office, retail, aerospace & defense, and sports equipment. By packaging, it is divided into food & beverage, consumer goods, and transportation. By healthcare, the market is segmented into in vitro diagnostics, hydrophilic films, and transdermal patches & oral dissolvable films. Geographic breakdown and deep analysis of each of the aforesaid segments have resulted in the following regions: North America, Europe, Asia-Pacific, and LAMEA.


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A Material Based on Sharkskin Stops Bacterial Breakouts

A Material Based on Sharkskin Stops Bacterial Breakouts | Biomimicry | Scoop.it

A whale’s skin is easily glommed up with barnacles, algae, bacteria and other sea creatures, but sharks stay squeaky-clean. Although these parasites can pile onto a shark’s rippled skin too, they can’t take hold and thus simply wash away. Now scientists have printed that pattern on an adhesive film that will repel bacteria pathogens from hospitals and public restrooms.

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Getting a Grip on Mussel Adhesion

Getting a Grip on Mussel Adhesion | Biomimicry | Scoop.it
The Asian green mussel (Perna viridis) anchors itself underwater by timed secretion of adhesive proteins from threadlike foot extensions, a team of researchers in Singapore finds1.

Lab experiments and computer simulations reveal that an especially long sticky protein acts as a primer — first catching the surface and repelling water molecules to make way for two proteins that form the final adhesive pad.

The discovery could lead to new submersible glues or improved paints to prevent biofouling on ship hulls and drilling platforms.
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'Gecko Grippers' Head to Space Station

'Gecko Grippers' Head to Space Station | Biomimicry | Scoop.it
A United Launch Alliance Atlas 5 rocket loaded with supplies and science experiments blasted off from Florida on Tuesday, boosting an Orbital ATK cargo capsule toward the International Space Station.[...] Perched on top of the rocket was a Cygnus capsule loaded with nearly 7,500 pounds (3,400 kg) of food, science experiments and equipment including a 3-D printer to build tools for astronauts and non-stick grippers modeled after gecko feet.[...] The experimental Gecko Gripper is a new kind of adhesive that mimics the way gecko lizards cling to surfaces without falling. It aims to test a method of attaching things in the weightless environment of space. NASA is looking at robotic versions of gecko feet to attach sensors and other instruments onto and inside satellites.

Photo details: Leopard gecko (Eublepharis macularius), George Chernilevsky,2009. Wikimedia Commons, public domain.
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Nonadhesion Technology: Yogurt Lid Licking Be Banished

Nonadhesion Technology: Yogurt Lid Licking Be Banished | Biomimicry | Scoop.it

"Part of the yogurt eating ritual has always been licking the food off the foil lid. Over the course of a year, the yogurt stuck to lids worldwide is equivalent to the volume consumed in Africa, according to a calculation by Toyo Aluminium. Morinaga Milk Industry is doing something about that: Its lids peel off clean with no stuck yogurt. The company uses a special lid developed in cooperation with Toyo Aluminium. It is based on a packaging technology Toyo calls "Toyal Lotus." The material's structural inspiration was the lotus leaf, which is famous for its ability to shed water and remain dry."

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The Stickiness of Frog Tongues

The Stickiness of Frog Tongues | Biomimicry | Scoop.it
The frog looks nearly asleep, when suddenly its tongue darts out, snaring an unsuspecting insect. What makes its tongue so sticky? Find out...
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Scientists of Kiel University Unravel Widespread Natural Adhesion System

Scientists of Kiel University Unravel Widespread Natural Adhesion System | Biomimicry | Scoop.it

"Adhesion is an extremely important factor in living nature: insects can climb up walls, plants can twine up them, and cells are able to adhere to surfaces. During evolution, many of them developed mushroom-shaped adhesive structures and organs. Lars Heepe and his colleagues at Kiel University have discovered why the specific shape is advantageous for adhesion. The answer is in homogeneous stress distribution between a surface and the adhesive element. [...] The findings of the study made in Kiel can be used for further development of glue-free adhesive surfaces with enhanced performance."

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Frog-like Robot Will Help Surgeons With Keyhole Surgery

Frog-like Robot Will Help Surgeons With Keyhole Surgery | Biomimicry | Scoop.it

"Researchers at the University of Leeds are using the feet of tree frogs as a model for a tiny robot designed to crawl inside patients’ bodies during keyhole surgery."

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3-D Printed Octopus Suckers Help Robots Stick

3-D Printed Octopus Suckers Help Robots Stick | Biomimicry | Scoop.it

"Legions of animal-inspired robots are being created to improve military missions and disaster response efforts—from crawling cockroach-like RHex bots to leaping Sand Flea robots and the speeding Cheetah machines. Now, a squishier source for smart robo-tech has joined the ranks: octopuses."

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Sam McCormick's curator insight, March 20, 2013 9:01 AM

This article invesigates biomimetics, 3D printing and the prospect of better grip for robotic hands. As control over the suckers improves, the way could be opened for less rigid gripping digits. This may overcome some of the challenges associated with robots gripping unknown and irregularly shaped objects.

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Mussel Goo Inspires Blood Vessel Glue

Mussel Goo Inspires Blood Vessel Glue | Biomimicry | Scoop.it
A University of British Columbia researcher has helped create a gel - based on the mussel's knack for clinging to rocks, piers and boat hulls - that can be painted onto the walls of blood vessels and stay put, forming a protective barrier with potentially life-saving implications.
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University of Akron's Research into Geckos' Natural Stickiness may Pay Off in Companies and Products

University of Akron's Research into Geckos' Natural Stickiness may Pay Off in Companies and Products | Biomimicry | Scoop.it

The University of Akron's research into what makes geckos' feet stick to almost anything -- part of an emerging field called bio-inspiration -- could have big payoffs in industrial adhesives, electronics, robotics and other fields.

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Carl Messenger-Lehmann's curator insight, December 30, 2014 1:41 AM

We Know gecko's are cool - we just didn't realize they were this cool!