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Search results for ophthalmology

Bio & Medicine Mar 24, 2023

Tiny nanoparticle could have big impact on patients receiving corneal transplants

Corneal transplants can be the last step to returning clear vision to many patients suffering from eye disease. Each year, approximately 80,000 corneal transplantations take place in the U.S. Worldwide, more than 184,000 ...

Space Exploration Mar 7, 2023

How does the immune system react to altered gravity?

Space travel has always tested the human body by the effects of the new conditions of altered gravity on biological systems. It has long been known that continuous exposure to microgravity conditions human physiology and ...

Bio & Medicine Jan 19, 2023

New nanoparticles deliver therapy throughout the brain and edit Alzheimer's gene in mice

Gene therapies have the potential to treat neurological disorders like Alzheimer's and Parkinson's diseases, but they face a common barrier—the blood-brain barrier. Now, researchers at the University of Wisconsin-Madison ...

Bio & Medicine Jan 11, 2023

Nanotechnology may improve gene therapy for blindness

Using nanotechnology that enabled mRNA-based COVID-19 vaccines, a new approach to gene therapy may improve how physicians treat inherited forms of blindness.

Cell & Microbiology Jan 9, 2023

A robotic microsurgeon reveals how embryos grow

Combining biology and robotics, scientists at EPFL have built a robotic microsurgery platform that can perform high-precision, micrometer-resolution dissections to advance our understanding of how the vertebrate body forms ...

Optics & Photonics Sep 8, 2022

Variable focus thin lens designed for augmented and virtual reality headsets

Researchers have developed a thin lens with a continuously tunable focal length. The new lens could one day make visual fatigue from augmented and virtual reality (AR/VR) devices a thing of the past.

Cell & Microbiology Aug 19, 2022

Scientists thought they knew how the nose 'knows,' but new research suggests otherwise

Johns Hopkins Medicine researchers say they have evidence to potentially overturn a prevailing belief in a type of important signaling within cells. The mainstream idea is that a single protein receptor molecule—a kind ...

Biochemistry Jun 23, 2022

Shedding light on the impact of microplastics on lentil seedling growth

Microplastic pollution is known to negatively impact seed germination and seedling growth. Although some studies have demonstrated the effects of microplastics on seed germination, the impact of microplastics on the internal ...

Bio & Medicine Jun 6, 2022

New nanoparticles aid sepsis treatment in mice

Sepsis, the body's overreaction to an infection, affects more than 1.5 million people and kills at least 270,000 every year in the U.S. alone. The standard treatment of antibiotics and fluids is not effective for many patients, ...

Optics & Photonics Jun 2, 2022

Researchers take optical coherence tomography to the next level

Researchers have developed an enhanced version of optical coherence tomography (OCT) that can image biomedical samples at higher contrast and resolution over a wider 3D field of view than was previously possible. The new ...

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