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13 Current news about the topic biomedical engineering

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Silk fibers could be high-tech 'natural metamaterials'

05-Feb-2018

New research has demonstrated how the nano-architecture of a silkworm's fiber causes "Anderson localization of light," a discovery that could lead to various innovations and a better understanding of light transport and heat transfer. The discovery also could help create synthetic materials and ...

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New tissue-engineered blood vessel replacements one step closer to human trials

03-Nov-2017

Researchers at the University of Minnesota have created a new lab-grown blood vessel replacement that is composed completely of biological materials, but surprisingly doesn't contain any living cells at implantation. The vessel, that could be used as an "off the shelf" graft for kidney dialysis ...

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Mimicking biological process, hydrogel signals and releases proteins

27-Oct-2017

An artificial system using a DNA-laced hydrogel can receive a chemical signal and release the appropriate protein, according to Penn State researchers. Further stimulation by the chemical signal continues to trigger a response. A hydrogel is a network of polymer chains that attract water and can ...

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A better way to create organic bioelectronics

29-Aug-2017

With increasing scientific and medical interest in communication with the nervous system, demand is growing for biomedical devices that can better record and stimulate the nervous system, as well as deliver drugs and biomolecules in precise dosages. Researchers with the University of Houston and ...

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Self-powered paper-based 'SPEDs' may lead to new medical-diagnostic tools

25-Aug-2017

A new medical-diagnostic device made out of paper detects biomarkers and identifies diseases by performing electrochemical analyses - powered only by the user's touch - and reads out the color-coded test results, making it easy for non-experts to understand. "You could consider this a portable ...

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A moldable scaffold for bone

11-Apr-2017

A team including researchers at Rensselaer Polytechnic Institute is developing a new material that can be used to replace skull bone lost to injury, surgery, or birth defect. The bioactive foam is malleable when exposed to warm saline, allowing surgeons to easily shape it to fit irregular defects ...

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Growing heart tissue on spinach leaves

28-Mar-2017

Researchers face a fundamental challenge as they seek to scale up human tissue regeneration from small lab samples to full-size tissues, bones, even whole organs to implant in people to treat disease or traumatic injuries: how to establish a vascular system that delivers blood deep into the ...

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Rabbits' detached retina 'glued' with new hydrogel

14-Mar-2017

A newly developed elastic gel administered in liquid form and shown to turn jellylike within minutes after injection into rabbits' eyes to replace the clear gelatinous fluid inside their eyeballs, may help pave the way for new eye surgery techniques, says an international team of researchers led ...

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New, ultra-flexible probes form reliable, scar-free integration with the brain

17-Feb-2017

Engineering researchers at The University of Texas at Austin have designed ultra-flexible, nanoelectronic thread (NET) brain probes that can achieve more reliable long-term neural recording than existing probes and don't elicit scar formation when implanted. A team led by Chong Xie, an assistant ...

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New method to detect ultrasound with light

15-Feb-2017

A tiny, transparent device that can fit into a contact lens has a bright future, potentially helping a range of scientific endeavors from biomedicine to geology. Developed by Northwestern University scientists, the device, called the Micro-ring resonator detector, can determine the speed of the ...

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