New research could revolutionize noninvasive monitoring of blood glucose levels (BGLs): a Japanese team developed a novel methodology to estimate BGLs from near-infrared light (NIR) measurements.
Researchers have found a surprising method to reduce blood glucose levels in a person: Shining red light on their back. This could help control diabetes without medication.
Using a unique new technique, US researchers hope to offer a safer and more effective alternative to current cancer treatments, reporting promising first results in mice.
Researchers and clinicians at Washington University in St. Louis found a way to improve diagnostic accuracy of potentially cancerous lesions in the ovaries and adnexal regions, or the fallopian tubes.
Scientists have developed a device that works with a smartphone or tablet to capture medical images which can identify infected wounds through thermal and fluorescence imaging.
Surgical robots are becoming widespread in operating theatres, delivering accuracy and safety. An overview of the main systems, principal operators, the market and European initiatives in this field.
Monitoring the proper blood supply to the brain could be used to prevent or even treat neurological diseases. A new technique called πNIRS aims to do just that.
Light therapy may accelerate the healing of skin damage from radiation therapy by up to 50%, according to a recent University at Buffalo-led study.
Researchers from the University of Johannesburg find that shining a near-infrared laser on adult stem cells derived from human body fat, makes the stem cells replicate 54% faster.
Researchers report that they have developed a method to combine three brain-imaging techniques to more precisely capture the timing and location of brain responses to a stimulus. Their study is the first to combine the three widely used technologies for simultaneous imaging of brain activity. The work is reported in the journal Human Brain Mapping. The new "trimodal" approach combines…
The EU-funded consortium Laser and Ultrasound Co-analyzer for Thyroid Nodules (LUCA) has developed a non-invasive, low-cost device that brings a new solution for thyroid cancer screening.
Researchers from ETH Zurich and University of Zurich have developed a new microscopy technique that lights up the brain with high resolution imagery. This allows neuroscientists to study brain functions and ailments more closely and non-invasively.
A new photonics device currently in development aims to reduce unnecessary disabilities by improving the instant, real-time monitoring of newborn babies with harmless light particles.
Before Wilhelm Röntgen, a mechanical engineer, discovered a new type of electromagnetic radiation in 1895, physicians could only dream of being able to see inside the body. Within a year of Röntgen’s discovery, X-rays were being used to identify tumors. Within 10 years, hospitals were using X-rays to help diagnose and treat patients. In 1972, computed tomography (CT) scans were developed. In…
Olympus Corporation announced that it has entered into an agreement to acquire Quest Photonic Devices B.V. for up to EUR50 million including milestone payments to strengthen its surgical endoscopy capabilities. Quest offers advanced fluorescence imaging systems (FIS) for the medical field, enabling more surgical endoscopy capabilities, compared to conventional imaging technologies.
Increased consumption of flavanols – a group of molecules which occur naturally in fruit and vegetables – can increase your mental agility, according to new research. A team at the University of Birmingham has found that people given a cocoa drink containing high levels of flavanols were able to complete certain cognitive tasks more efficiently than when drinking a non-flavanol enriched-drink.
The VeinViewer® uses harmless near-infrared (NIR) light which is directed towards the patient’s skin. Haemoglobin in the blood absorbs the NIR and the surrounding tissue reflects it back to the VeinViewer® device, where the data is processed into an image, colour is added and the image sent back to the skin to provide a real time visualization of the blood vessels and patterns up to 10mm…
Researchers have developed a novel three-dimensional imaging system to diagnose cervical cancer faster, non-invasively and more efficiently than conventional methods.
Macular degeneration is one of the major reasons for visual impairment, round the globe, close to 200 million people are affected. It damages the photoreceptors in the retina, which lose their sensitivity to light. This can lead to impaired vision or even complete blindness. Scientists at the Institute of Molecular and Clinical Ophthalmology Basel (IOB) together with colleagues from the German…
Every year, a lack of vaccination leads to about 1.5 million preventable deaths, primarily in developing nations. One factor that makes vaccination campaigns in those nations more difficult is that there is little infrastructure for storing medical records, so there’s often no easy way to determine who needs a particular vaccine. Researchers at the Massachusetts Institute of Technology (MIT)…
A remarkable number of studies and innovations were presented at the 30th anniversary of Transcatheter Cardiovascular Therapeutics (TCT) meeting in San Diego, California. TCT 2019 will take place in San Francisco, CA between 25-29-Sep-2019. On the clinical side, the long-expected results from COAPT trial studying MitraClip device in patients with secondary mitral regurgitation and heart failure…
Interventional cardiologists have been aware of the value of intracoronary (IC) imaging in clinical practice for more than twenty years. However, recent developments and improvements in modalities and software have enabled huge strides in its range and scope for both diagnostic assessment and in percutaneous coronary interventions. Imaging options now include intravascular ultrasound (IVUS),…
Targeting medical treatment to an ailing body part is a practice as old as medicine itself. A Band-Aid is placed on a skinned knee. Drops go into itchy eyes. A broken arm goes into a cast. But often what ails us is inside the body and is not so easy to reach. In such cases, a treatment like surgery or chemotherapy might be called for. A pair of researchers in Caltech's Division of Engineering and…
Cheap and compact instrument based on two near-infrared light techniques diagnoses poor blood flow quickly and noninvasively.
A novel imaging technique that uses a synthesized form of scorpion venom to light up brain tumors has shown promise in a clinical trial. The imaging system enables neurosurgeons to better see malignant growths that often are difficult to fully eliminate.
Mice with vision enhanced by nanotechnology were able to see infrared light as well as visible light, reports a study published in the journal Cell. A single injection of nanoparticles in the mice’s eyes bestowed infrared vision for up to 10 weeks with minimal side effects, allowing them to see infrared light even during the day and with enough specificity to distinguish between different…
For decades, women have shouldered most of the burden of contraception. However, long-term use of female birth control pills could increase the risk for side effects such as blood clots or breast cancer. Now, inspired by colorful layered cocktails, researchers have developed a medium-term, reversible male contraceptive. They report their results in the journal ACS Nano. Common forms of male…
Checking a lump for malignancy, finding out if food is fresh, just with your smartphone? It’s possible, according to Eindhoven University of Technology researchers in the Netherlands. Their recently presented spectrometer is small enough to insert into a smartphone. This device is not yet ready for use on a big scale, Professor Andrea Fiore, supervisor of the Eindhoven research team points out.…
A new imaging technology to grade tumour biopsies has been developed by a team of scientists led by the Department of Physics and the Department of Surgery and Cancer at Imperial College London. Publishing their results in the journal Convergent Science Physical Oncology, they describe how their new method promises to significantly reduce the subjectivity and variability in grading the severity…
A new optical imaging system developed at Columbia University uses red and near-infrared light to identify breast cancer patients who will respond to chemotherapy. The imaging system may be able to predict response to chemotherapy as early as two weeks after beginning treatment. Findings from a first pilot study of the new imaging system—a noninvasive method of measuring blood flow dynamics in…
When Kerstin Stenson, MD, describes the innovative technique she is helping develop to fight cancer, it seems like she’s describing a Tom Clancy military espionage novel.
Researchers at the Cancer Research UK Cambridge Institute sprayed a dye on oesophageal tissue samples taken from people with Barrett’s oesophagus – a condition that increases the risk of developing oesophageal cancer. The dye sticks to healthy oesophageal cells but not to pre-cancerous cells. They then shone near-infrared light - which is just beyond the red colours that our eyes can normally…
Intelligent robots supervised by surgeons could help remove human error from the operating room. Dr. Peter C. Kim, Vice President and Associate Surgeon-in-Chief at Sheikh Zayed Institute for Pediatric Surgical Innovation at Children's National Health System (CNSH) in Washington, D.C., and his colleagues designed and programmed “Smart Tissue Autonomous Robot”, or simply STAR, to successfully…
Two new optical devices could reduce the need to take tissue samples during medical examinations and operations and to then send them for testing – potentially speeding up diagnosis and treatment and cutting healthcare costs.
The ongoing debate about breast cancer diagnostics has left many women confused — particularly over what age they should get mammograms and who needs treatment. An issue with current methods is that they often identify lumps but cannot conclusively pinpoint which ones are cancerous. To help resolve this uncertainty, researchers have developed a pill that could improve imaging techniques so that…
Northwestern University scientists have developed the first liquid nanoscale laser. And it’s tunable in real time, meaning you can quickly and simply produce different colors, a unique and useful feature. The laser technology could lead to practical applications, such as a new form of a “lab on a chip” for medical diagnostics.
An organic dye that can light up cancer cells for two powerful imaging techniques providing complementary diagnostic information has been developed and successfully tested in mice by A*STAR researchers.
Molecular imaging, the discipline that unites molecular biology and in vivo imaging technologies to assess biological activity in the body, promises to open up ‘…an entire new universe,’ declared Dr Ralph Weissleder, of the Centre for Molecular Imaging Research at Massachusetts General Hospital, USA, in the journal Radiology. That was just one decade ago. And he was right. It has indeed…
Molecular imaging, the discipline that unites molecular biology and in vivo imaging technologies to assess biological activity in the body, promises to open up ‘…an entire new universe,’ declared Dr Ralph Weissleder, of the Centre for Molecular Imaging Research at Massachusetts General Hospital, USA, in the journal Radiology. That was just one decade ago. And he was right. It has indeed…
Molecular imaging, a new science that emerged from molecular biology, is unlike traditional imaging. Whilst the latter can, for example, show the differences in proton density or water content on MRI, molecular imaging uses biomarkers (probes) that interact selectively with molecules within an area and then generate the image according to fine molecular alterations occurring inside (e.g. within a…
What is good for the body may not be good for the mind. In an effort to repair heart damage with bypass surgery patients may experience unintended cerebral damage, including neuroligical impairment or even stroke.
Researchers at Canada's largest children's rehabilitation hospital have developed a technique that uses infrared light brain imaging to decode preference — with the goal of ultimately opening the world of choice to children who can't speak or move. Using optical brain imaging, the scientists decode preference with 80 per cent accuracy.
The popularity of LED lighting units is inevitably increasing because LED light is infrared-free and cool, creating good work conditions for surgeons, and minimising the danger of tissue dehydration. In addition, the nearly limitless service life of LEDs lowers maintenance costs and ensures safe, reliable work, the operating theatre equipment and surgical lighting specialist Berchtold explains.
A UK collaboration, led by an optical imaging company has produced its first optical coherence tomography (OCT) tissue images at a wavelength of 1 µm. Based on interferometry, OCT works by analysing near-infrared light reflected from a sample and using differences in the reflected intensities to create high-resolution images. Employing 1 µm light - as opposed to the longer wavelength…
Mammography is the common way to detect breast cancer. But it's not perfect: it struggles to image dense glandular tissue or early-stage tumours. Magnetic resonance imaging (MRI) offers best sensivity but it is expensiv and not always specific enough. Now researchers have come up with another option: a scanner that integrates thermoacoustic and photoacoustic tomography to achieve dual-contrast…
Opening up new dimensions in ergonomics and mobility — in close cooperation with leading neurosurgeons, Leica designed a new swivel arm for its M525 OH4 surgical microscope that offers 36% more reach than comparable instruments.
USA — Miniscule gold 'nanorods' triggered by a laser beam can blast holes in tumour cell membranes, which then activates a complex biochemical mechanism that leads to the tumour cell to self-destruct, according to researchers at the Weldon School of Biomedical Engineering in Purdue University, Idaho.
Near-infrared fluorescence mammography works with rays of near-infrared (NIR) light instead of X-rays. Although this is thought to be a very promising technique, there have been no effective contrast agents.
Hutchinson's InSpectra StO2 Tissue Oxygenation Monitor - a portable device for treatment of trauma patients.
Researchers at A Seattle Children's Hospital Research Institute and Fred Hutchinson Cancer Research Center developed a tumor paint that will help surgeons see where a tumor begins and ends more precisely by illuminating the cancerous cells.
Continous, non-invasive tissue oxygenation and monitoring during resusciation.