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Scientists create 3D-printed, microscopic gas sensors - painters’ pallets without even a hint of pigment

"The tiny responsive arrays, which are smaller than a freckle, can be used to tell us an enormous amount about the chemistry of their environment”

22-Sep-2021

Scientists from Trinity College Dublin and AMBER, the SFI Research Centre for Advanced Materials and BioEngineering Research, have discovered a way to fabricate tiny colour-changing gas sensors using new materials and a high-resolution form of 3D printing. The sensors – responsive, printed, ...

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Crystals Made to Fit

Induced-fit adsorbent for acetylene

16-Aug-2021

We often say that a substrate fits into its enzyme like a key in a lock, but this metaphor is imperfect. Substrate binding can also change the lock (the structure of the enzyme) to induce a perfect fit. In the journal Angewandte Chemie, an international team of researchers has now introduced a ...

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Physicists create world's smallest engine

23-Aug-2019

Theoretical physicists at Trinity College Dublin are among an international collaboration that has built the world's smallest engine - which, as a single calcium ion, is approximately ten billion times smaller than a car engine. Work performed by Professor John Goold's QuSys group in Trinity's ...

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Squeezing low-cost electricity from sustainable biomaterial

05-Dec-2017

Mobile phone speakers and motion detectors in cars and video games may soon be powered by electricity generated from low cost and sustainable biomaterials, according to research carried out at University of Limerick (UL), Ireland. Scientists at UL's Bernal Institute have discovered that the ...

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Giant molecular cages for energy conversion and drug delivery

04-Jul-2017

Scientists from Trinity College Dublin and AMBER, the Science Foundation Ireland-funded materials science research centre hosted in Trinity College Dublin, have created 'molecular cages' that can maximise the efficiency of converting molecules in chemical reactions, and that may in future also be ...

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New research could transform how we filter water

10-May-2017

A new process for water filtration using carbon dioxide consumes one thousand times less energy than conventional methods, scientific research published recently has shown. The research was led by Dr Orest Shardt of University of Limerick , Ireland together with Dr Sangwoo Shin (now at University ...

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Major breakthrough in smart printed electronics

10-Apr-2017

Researchers in AMBER, the Science Foundation Ireland-funded materials science research centre hosted in Trinity College Dublin, have fabricated printed transistors consisting entirely of 2-dimensional nanomaterials for the first time. These 2D materials combine exciting electronic properties with ...

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Detecting Mercury with Gold

Individual gold nanorods could be used to develop smaller, portable mercury sensors

09-Mar-2017

Mercury is harmful even in small amounts. Detecting it currently requires expensive equipment. Researchers are working on a faster and cheaper alternative: a portable sensor that can perform a rapid analysis in the field. The key is finding something small and accurate enough to do the job.For ...

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Scientists reveal origin of Earth's oldest crystals

The crystals probably formed in huge impact craters some 4 billion years ago

09-May-2016

New research suggests that the very oldest pieces of rock on Earth -- zircon crystals -- are likely to have formed in the craters left by violent asteroid impacts that peppered our nascent planet, rather than via plate tectonics as was previously believed. Rocks that formed over the course of ...

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'Goldilocks material' could change spintronics

26-Mar-2015

Attempting to develop a novel type of permanent magnet, a team of researchers at Trinity College in Dublin has discovered a new class of magnetic materials based on Mn-Ga alloys.Described as a zero-moment half metal in Applied Physics Letters, from AIP Publishing, the new Mn2RuxGa magnetic alloy ...

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