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light therapy News
Lasers Improve Phototherapy-Drug Delivery Platform
BALTIMORE, Nov. 7, 2023 — Photoimmunotherapy targets cancer cells with microscopic, nano-engineered cancer drugs that are light-activated at the lesion site. Although the technology is increasingly used to treat metastatic cancer, tools to improve the effectiveness of photoimmunotherapy in gynecologic oncology have been lacking. Responses to treatment vary from person to person, and no method has existed to readily monitor whether the drugs are delivered effectively or have the desired
Light-Activated Biomimetic Gel Offers Potential for Corneal Repair
OTTAWA, Ontario, Aug.3, 2023 — Tens of millions of people around the world suffer from corneal diseases, with only a small fraction eligible for corneal transplantation. In a recent study, researchers at the University of Ottawa showed that biomimetic materials activated with...
Protein-induced Apoptosis in Cancer Cells Protects Healthy Tissue
OKAYAMA, Japan, April 13, 2022 — A research group at Okayama University is working on a way to prevent healthy cells from incurring damage during cancer treatment. The group is developing a light-induced method for triggering cell apoptosis in targeted cells only, using a...
Red Light Optically Improves Mitochondrial Function in Aging Eyes
LONDON, July 8, 2020 — Declining eyesight in humans was shown to improve when subjects looked at a deep red 670-nm light beam for three minutes a day for two weeks, according to a study led by researchers at University College London. The approach, which improves...
Flickering Light Mobilizes Brain Chemistry That May Fight Alzheimer’s
ATLANTA, Feb. 5, 2020 — Previous experiments using flickering light to treat neurodegenerative disease have shown promise, and now, researchers at the Georgia Institute of Technology (Georgia Tech) may have discovered how the flicker works. They found that exposure to...
Blue Light Can Improve Sleep, Help Brain Recover from Injury
TUCSON, Ariz., Jan. 21, 2020 — According to a University of Arizona (UArizona) study, exposure to blue light in the morning could re-entrain the circadian rhythm and improve sleep problems, leading to faster recovery from brain injury. Research has shown that the brain repairs...
Using Light to Optically Regulate Cell Fate for Regenerative Medicine
MILAN, Italy, Oct. 3, 2019 — Researchers at Istituto Italiano di Tecnologia (IIT) have shown proof of principle that optical modulation can be exploited to directly control the fate of a progenitor cell population to facilitate the formation of new blood vessels. The...
Intense Light Therapy Before Surgery Could Help Protect the Heart
AURORA, Colo., Aug. 27, 2019 — Researchers at the University of Colorado Anschutz Medical Campus have found that intense light amplifies a specific gene — Period 2 (PER2) — that makes the metabolism of mice and humans more oxygen-efficient and could offer protection...
Light Therapy Could Help Prevent Vision Problems in Premature Infants
CINCINNATI, April 2, 2019 — The discovery of a light-dependent molecular pathway that regulates how blood vessels develop in the eye could lead to the use of light therapy to help premature infants, whose eyes are still developing, avoid vision problems. Called the opsin...
Scientists to Test Light Therapy as Relief from Side Effects of Cancer Treatment
BUFFALO, N.Y., Feb. 14, 2019 — University at Buffalo (UB) researchers have received part of a $1.5 million grant to investigate light therapy as a replacement for prescription opioids in treating oral mucositis, painful ulcers, and swelling in the mouth that result from...
Optogenetics Device Offers Stable Way to Treat Bladder Problems
ST. LOUIS, Mo., Jan. 7, 2019 — A tiny, implantable device has been created that can detect overactivity in the bladder and use light from biointegrated LEDs to tamp down the urge to urinate. The device has been demonstrated in laboratory rats and could one day be used to treat...
Use of Light to Stop Itch Could Provide Relief From Skin Diseases
ROME, Jan. 3, 2019 — Scientists at the European Molecular Biology Laboratory (EMBL) in Rome have used light to stop itch — at best an annoyance and at worst an uncomfortable chronic symptom — in mice. They used NIR light to activate a phototoxic agent that selectively...
Wireless, Wearable Sensors-on-a-Chip Provide Precise Dosimetry at Multiple Wavelengths
EVANSTON, Ill., Dec. 11, 2018 — A wearable, battery-free sensor has been developed that can measure and monitor exposure to light across multiple wavelengths, from the UV to the VIS to the IR regions. The device, created by researchers at Northwestern University, can record up to...
Flexible OLEDs to Provide Customizable Lighting Functionality in Textiles
DRESDEN, Germany, Sept. 7, 2018 — Scientists at the Fraunhofer Institute for Organic Electronics, Electron Beam and Plasma Technology (Fraunhofer FEP) have made advances in OLED elements for integrating into textiles. The OLEDs can not only light in color, but can also be designed...
Light-Based Approach Manages Chronic Neuropathic Pain
ROME, April 27, 2018 — Researchers have developed a light-based method that could be used to manage neuropathic pain. The technique was tested in mice. Researchers from the European Molecular Biology Laboratory (EMBL) Rome identified a specific population of nerve cells...
Spectroscopy Explores Photoinduced Reactions in Anticancer Drug
COVENTRY, England, Feb. 20, 2018 — Using IR spectroscopy researchers have gained fresh insight into how a platinum-based chemotherapy drug candidate functions when activated by light. Completely inactive and non-toxic in the dark, the treatment can be targeted to cancerous areas and...
Phototherapy Treats Metastatic Disease Using Light-Sensitive Drugs
ST. LOUIS, Jan. 30, 2018 — A new study could expand the use of phototherapy for treating metastatic disease. Researchers have demonstrated the treatment of disseminated cancer by delivering photoactivatable drugs within tissues and inside cells in vivo. Light emitted as part...
Bright Light Therapy Improves Sleep in Cancer Patients
NEW YORK, Jan. 26, 2018 — Researchers investigated the effect of systematic light exposure on sleep in a mixed group of fatigued cancer survivors following primary cancer treatment. Results of the randomized controlled trial suggest that systematic bright light exposure...
Green LED Provides Safe, Inexpensive Treatment of Chronic Pain
TUCSON, Ariz., March 9, 2017 — Exposure to green LED could provide an inexpensive, non-pharmacological approach to managing chronic pain, by altering the levels of endogenous substances that potentially inhibit pain and decrease inflammation of the nervous system.
Photodynamic Therapy Could be Made Easier With NIR Light Absorbing Molecule
WORCESTER, Mass., Jan. 3, 2017 — The clinical application of photodynamic therapy (PDT) could be enhanced through the use of a novel class of molecules. The carbazole-substituted BODIPY (Car-BDP) molecule has an intense, broad NIR absorption band (600–800 nm) with a high...
Light Therapy Shown to Reduce Plaques in Mice with Alzheimer’s
CAMBRIDGE, Mass., Dec. 21, 2016 — Using LEDs that can be programmed to flicker at different frequencies on mouse models genetically programmed to develop Alzheimer’s, researchers are exploring the potential of using light to reduce amyloid-β (Aβ) plaque levels and to...
Laser Treatments Shown Effective in Killing Bacteria That Cause Dental Disease
NEW YORK, Dec. 13, 2016 — The results of computer simulations depicting various laser wavelengths aimed at virtual bacterial colonies buried in gum tissue suggest that use of lasers in oral debridement is effective in killing disease-causing bacteria and promoting dental...
New Treatment for Inflammatory Disease Uses Optogenetic Tool
ITHACA, New York, Dec. 9, 2016 — An optogenetic approach to regulating inflammation and immunity in the human body employs photocontrolled inhibitors that are selectively delivered to the target cells via UV radiation. This novel approach could further the study of inflammation and...
Optical Imaging Platform Uses Light to Treat Arrhythmia
SESTO FIORENTINO and FLORENCE, Italy, Nov. 28, 2016 — Use of light to defibrillate cardioarrhythmic events in humans could offer a gentler alternative to shocking the heart back to normal rhythm through a generalized electrical discharge. With the introduction of Channelrhodopsin (ChR) as a tool to...
Light Could Restore Health in Bees Exposed to Pesticide
LONDON, Nov. 16, 2016 — Near-IR light therapy has been shown to counteract the harmful effects of neonicotinoid pesticides and improve survival rates of poisoned bees.
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