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Optics & Photonics May 21, 2020

New mobile health tool measures hemoglobin without drawing blood

Researchers have developed a way to use smartphone images of a person's eyelids to assess blood hemoglobin levels. The ability to perform one of the most common clinical lab tests without a blood draw could help reduce the ...

Analytical Chemistry Apr 27, 2020

Accelerating clinical use of Raman spectroscopy's chemical fingerprints

"The technique of Raman spectroscopy—in combination with emerging machine-learning methods—is making its way into operating rooms at a rapid pace, with the prospect of improving the accuracy of surgical procedures in a wide ...

Cell & Microbiology Apr 24, 2020

A cellular mechanism protecting against cancer

Susanne Hellmuth and Olaf Stemmann from the Chair of Genetics at the University of Bayreuth have discovered a natural protective mechanism that leads to the programmed death of potentially diseased cells. It protects from ...

Other Apr 20, 2020

Scientists invent a new way of creating meat analogs

Worldwide focus on meat analogs keeps increasing to start producing vegetable protein non-cholesterol products containing essential amino acids. Extrusion is the best way to texture vegetable proteins. This is a method of ...

Optics & Photonics Apr 20, 2020

Optical coherence tomography shines with a new type of contrast

A diagnostic workhorse, optical coherence tomography (OCT), provides high-resolution 3-D imaging of subsurface tissue structures. Most likely, for your last eye exam, the ophthalmologist took cross-sectional pictures of your ...

Bio & Medicine Mar 26, 2020

Experiments in mice and human cells shed light on best way to deliver nanoparticle therapy for cancer

Researchers in the cancer nanomedicine community debate whether use of tiny structures, called nanoparticles, can best deliver drug therapy to tumors passively—allowing the nanoparticles to diffuse into tumors and become ...

Biochemistry Mar 17, 2020

Blocking sugar structures on viruses and tumor cells

During a viral infection, viruses enter the body and multiply in its cells. Viruses often specifically attach themselves to the sugar structures of the host cells, or present characteristic sugar structures on their surface ...

Plants & Animals Mar 11, 2020

'Leaky vaccines' play important part in farm chicken disease management

Vaccines that do not prevent onward transmission or infection are more effective than previously thought in controlling the severity of a viral disease in chickens.

Cell & Microbiology Mar 10, 2020

Cancerous tumors, surrounding cells illuminated by new imaging agent

Scientists at Washington University School of Medicine in St. Louis have developed a new imaging agent that could let doctors identify not only multiple types of tumors but the surrounding normal cells that the cancer takes ...

Bio & Medicine Feb 27, 2020

Assessing the risks associated with nanoparticles in medical applications

Nanomedicine is increasingly used in applications like drug delivery and diagnosis, with promising results in several fields, including oncology, cardiology and immunology. However, the rising popularity of nanobiomaterials ...

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