Optomedical

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Fluorescing bandage senses wound’s healing process

Fluorescing bandage senses wound’s healing process
A novel bandage alerts the nursing staff as soon as a wound starts healing badly. Sensors incorporated into the base material glow with a different intensity if the wound’s pH level changes. This way even chronic wounds could be monitored at home. The idea of being able to see through a wound dressing gave rise to the project Flusitex (Fluorescence sensing integrated into medical textiles), which is being funded by the Swiss initiative Nano-Tera.
7th July 2017

Transparent organs reveal metastasis in real time

Transparent organs reveal metastasis in real time
Scientists at the University of Tokyo’s Graduate School of Medicine have developed a method of imaging, published in the journal Cell Reports, that shows metastasis in real time, at the level of individual cells. The technique relies on modified cancer cells that glow and a chemical cocktail that turns organs transparent, making the fluorescent signals emitted by the modified cells easier to see. This can offer a better understanding of metastasis that researchers could use to develop better drugs.
6th July 2017

Light sheet technology provides improved images

Light sheet technology provides improved images
Light sheet microscopy is a technique for imaging sensitive samples or fast biological processes in vivo, which has in recent years revolutionised the field of developmental biology. Illuminating samples with a thin sheet of light allows the high contrast imaging of life specimens with minimal sample exposure, photo-bleaching or damage. Rapid three-dimensional imaging can be achieved using wide-field detection with a second objective at right angles to the light sheet.
6th July 2017


PICOCARE receives FDA Clearance for tattoo removal

PICOCARE receives FDA Clearance for tattoo removal
WONTECH has announced that its picosecond laser device, PICOCARE, received U.S. Food and Drug Administration 510(k) clearance for tattoo removal. PICOCARE, licensed by the FDA, is a Picosecond Nd:YAG based laser, and is able to remove tattoos in various colors with fewer times with 1064nm, 532nm, 595nm, and 660nm multi-wavelength and selectively removes pigment particles to minimise damage to skin tissue.
27th June 2017

Image correction software simplifies quantification of stem cells

Image correction software simplifies quantification of stem cells
Today, tracking the development of individual cells and spotting the associated factors under the microscope is nothing unusual. However, impairments like shadows or changes in the background complicate the interpretation of data. Now, researchers at the Technical University of Munich (TUM) and the Helmholtz Zentrum München have developed a software that corrects images to make hitherto hidden development steps visible.
21st June 2017

Take another little piece of my heart

Take another little piece of my heart
Detecting the source of errant electric signals in the heart that cause cardiac arrhythmias, as well as understanding what causes them, has been a notoriously difficult challenge for both physicians and researchers. This is because the heart is difficult to study, but researchers at Ohio State University have come up with a new technique that keeps myocardial tissue beating and alive in vitro long enough to study using video cameras.
12th June 2017

Liquid cooling systems optimise particle accelerators

Liquid cooling systems optimise particle accelerators
Laird has developed self-contained liquid cooling systems (LCS) that deliver optimal temperature stabilisation for more precise temperature control in particle accelerators like linear accelerators (LINACs) and cyclotron systems. LINACs and cyclotrons increase the kinetic energy of particles for use in a variety of applications, ranging from scientific studies on particle physics to radiation therapy for cancer patients.
6th June 2017

Multicolour light controls gene expression in bacteria

Multicolour light controls gene expression in bacteria
MIT researchers have engineered bacteria with 'multicolour vision' — E. coli that recognise RGB light and, in response to each colour, express different genes that perform different biological functions. To showcase the technology, the researchers produced several coloured images on culture plates — one of which spells out 'MIT' — by using RGB lights to control the pigment produced by the bacteria. Outside of the lab, the technology could also prove useful for commercial, pharmaceutical, and other applications.
31st May 2017

Metamaterial improves high field MRI scans

Metamaterial improves high field MRI scans
Scientists from Leiden University in The Netherlands and ITMO University in Moscow, Russia have developed a new material that improves the image quality of high-field MRI scanners. The material can be used along with existing MRI coil arrays, as it’s flexible and is not very thick, and so can be integrated near the coils. The material consists of a two-dimensional “metamaterial” of resonant copper strips, and a dielectric substrate stuck to the strip array.
31st May 2017

Optic probes shed light on binge-eating

Optic probes shed light on binge-eating
Activating neurons in an area of the brain not previously associated with feeding can produce binge-eating behavior in mice, a new Yale study finds. When activated by light probes, GABA neurons in an area of the brain called the zona incerta induce mice to return repeatedly to feed, Anthony van den Pol and Xiaobing Zhang of the Department of Neurosurgery report in the journal Science.
26th May 2017


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