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Scientists 3D-print self-assembling 'living tissue' using just water and oil

Scientists 3D-print self-assembling 'living tissue' using just water and oil | Slash's Science & Technology Scoop | Scoop.it

Researchers have created networks of water droplets that mimic some properties of cells in biological tissues. Using a three-dimensional printer, a team at the University of Oxford, UK, assembled tiny water droplets into a jelly-like material that can flex like a muscle and transmit electric signals like chains of neurons. The work is published today in Science.

 

These networks, which can contain up to 35,000 droplets, could one day become a scaffold for making synthetic tissues or provide a model for organ functions, says co-author Gabriel Villar of Cambridge Consultants, a technology-transfer company in Cambridge, UK. “We want to see just how far we can push the mimicry of living tissue,” he says.

 

The network relies on each water droplet having a lipid coating, which forms when the droplets are in a finely-tuned mix of oil and a pure lipid.

The lipid molecules have a water-loving head, which sticks to the droplet's surface, and a water-fearing tail, which pokes out into the oily solution. When two lipid-coated droplets come together, each with its carpet of water-fearing tails, they stick to each other like Velcro, forming a lipid bilayer, similar to those in cell membranes. The bilayer creates a structural and functional connection between droplets.

 

Although previous studies have shown that lipid-coated droplets can form such connections, their watery composition and spherical shape made them tricky to assemble. “I already made a raft of droplets that stuck together,” says biomedical engineer David Needham of the University of Southern Denmark in Odense, who was not involved in the study. “But to print them is really an achievement.”

 


Via Dr. Stefan Gruenwald
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What you need to know about 3D-printed organs

What you need to know about 3D-printed organs | Slash's Science & Technology Scoop | Scoop.it
Sure, 3D printers that can spit out chocolates, create shoes, handcraft cars and help astronauts sound fun and magical, but a lot of scientists are
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Cavalerie brings belt drive to full-suspension mountain bikes - Images

Cavalerie brings belt drive to full-suspension mountain bikes - Images | Slash's Science & Technology Scoop | Scoop.it
The Cavalerie Anakin enduro bike
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Heavy Metal – Nuclear Locomotives vs Diesel Locomotives - The Green Optimistic

Heavy Metal – Nuclear Locomotives vs Diesel Locomotives - The Green Optimistic | Slash's Science & Technology Scoop | Scoop.it
Could a Nuclear Locomotive Cut Emissions in the Transportation Sector? The other day, being particularly bored, I watched “Snowpiercer” online (Yes, I was
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Khan Academy

Khan Academy | Slash's Science & Technology Scoop | Scoop.it
Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.
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When things get glassy, molecules go fractal

When things get glassy, molecules go fractal | Slash's Science & Technology Scoop | Scoop.it
Colorful church windows, beads on a necklace and many of our favorite plastics share something in common—they all belong to a state of matter known as glasses. School children learn the difference between liquids and gases, but centuries of scholarship have failed to produce consensus about how to ...
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Physicists use magnetism simulation software to model US presidential elections

Physicists use magnetism simulation software to model US presidential elections | Slash's Science & Technology Scoop | Scoop.it
(Phys.org) —A team of physicists working at IFISC in Palma de Mallorca, Spain has used a computer simulation originally designed to model the transition of iron between magnetized states to create a model to do something similar for voting patterns in the United States. In their paper published in ...
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Lytro's new light-field camera looks like an actual camera, costs $1,599

Lytro's new light-field camera looks like an actual camera, costs $1,599 | Slash's Science & Technology Scoop | Scoop.it
If Lytro's first camera offered us a sneak peek at the promise of light field photography, the company's second-generation product swings those doors
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This 3mm-thick connector will let you Snap things onto your phone

People buy cases mainly to protect their precious phones, but very few offer functional versatility, and you're often forced to give them up when you
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New DARPA program to develop prosthetics with lifelike sensory feedback

New DARPA program to develop prosthetics with lifelike sensory feedback | Slash's Science & Technology Scoop | Scoop.it
DARPA's recently announced Hand Proprioception and Touch Interfaces (HAPTIX) program aims to develop more lifelike prosthetic limbs that bring some sense of...
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100,000 Stars

An interactive 3D visualization of the stellar neighborhood, including over 100,000 nearby stars. Created for the Google Chrome web browser.
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calories burned running a marathon - Wolfram|Alpha

calories burned running a marathon - Wolfram|Alpha | Slash's Science & Technology Scoop | Scoop.it
Check out these dynamically computed results from Wolfram|Alpha!
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Asgard’s fire

Asgard’s fire | Slash's Science & Technology Scoop | Scoop.it
WELL begun; half done. That proverb—or, rather, its obverse—encapsulates the problems which have dogged civil nuclear power since its inception. Atomic energy is...
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Thorium, an element named after the Norse god of thunder, may soon contribute to the world’s electricity supply
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Green Float: Floating Cities by 2025?

Green Float: Floating Cities by 2025? | Slash's Science & Technology Scoop | Scoop.it
Japanese scientists are working on a concept to build carbon-neutral, self-sufficient floating cities
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Phase transiting to a new quantum universe

Phase transiting to a new quantum universe | Slash's Science & Technology Scoop | Scoop.it
(Phys.org) —Recent insight and discovery of a new class of quantum transition opens the way for a whole new subfield of materials physics and quantum technologies.
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Astronomical forensics uncover planetary disks in Hubble archive

Astronomical forensics uncover planetary disks in Hubble archive | Slash's Science & Technology Scoop | Scoop.it
(Phys.org) —Astronomers using NASA's Hubble Space Telescope have applied a new image processing technique to obtain near-infrared scattered light photos of five disks observed around young stars in the Mikulski Archive for Space Telescopes database. These disks are telltale evidence for newly formed ...
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Cosmic illusion revealed: Gravitational lens magnifies supernova

Cosmic illusion revealed: Gravitational lens magnifies supernova | Slash's Science & Technology Scoop | Scoop.it
A team of researchers led by Robert Quimby at the Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU) has announced the discovery of a galaxy that magnified a background, Type Ia supernova thirtyfold through gravitational lensing. This is the first example of strong gravitational ...
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Intel's SD card-sized computer may not be so tiny after all

Intel's SD card-sized computer may not be so tiny after all | Slash's Science & Technology Scoop | Scoop.it
Back at CES, Intel made a big deal of the fact that it could squeeze a Linux-based PC with Bluetooth and WiFi into the size and shape of an SD card.
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Solar Roadways installs energy harvesting parking lot

Solar Roadways installs energy harvesting parking lot | Slash's Science & Technology Scoop | Scoop.it
The Solar Roadways project has released photos of an (almost) completed parking lot installation at its Idaho electronics lab, and is dipping into crowd-fun...
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How do you make a 1-cent microscope lens? Just bake a batch in the oven - Images

How do you make a 1-cent microscope lens? Just bake a batch in the oven - Images | Slash's Science & Technology Scoop | Scoop.it
Dr. Steve Lee, with some of his easy-bake lenses
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Toilet Hydropower: Scientists Developing New Source of Energy - The Green Optimistic

Toilet Hydropower: Scientists Developing New Source of Energy - The Green Optimistic | Slash's Science & Technology Scoop | Scoop.it
With all the horrendous warnings that climatologists are issuing, urging us to stop wasting fresh water, everyone with a clear mind should be looking into
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Iv'e thought about this years ago and why stop there, why not have small generators in rainwater pipes coming of roofs?

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