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Image: Three men in a laboratory, on checks how a face mask is fitting another - Rupak Banerjee, Israel Ajiboye, Sheyash Manegaonker; Copyright: Ravenna Rutledge/UC Creative

COVID-19: better-fitting face masks greatly improve protection

18/06/2021

Even the best face masks work only as well as their fit. And poorly fitting face masks greatly increase the risk of infection from airborne pathogens compared to custom-fitted masks, according to a new study by the University of Cincinnati.
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Image: Image of a piece of tissue in three different colors with different markings; Copyright: Joel Greenberg, Duke University

X-ray scanner spots cancers and analyzes drugs in minutes

18/06/2021

Engineers at Duke University have demonstrated a prototype X-ray scanning machine that reveals not just the shape of an object but its molecular composition. With unprecedented resolution and accuracy, the technology could revolutionize a wide range of fields such as cancer surgery, pathology, drug inspection and geology.
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Image: Four parts made of a yellow material from the 3D printer; Copyright: Fraunhofer IPA

Stereotactic systems from the 3D printer

17/06/2021

Stereotactic systems are special devices used in neurosurgical procedures. Until now, conventional production methods have meant that these devices are not only expensive to manufacture, but are also geometrically limited.
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Image: Graphic of a sole comprised of a honey comb-like structure; Copyright: Staffordshire University

Diabetes: new research a 'step change'

17/06/2021

Millions of people with diabetes are at risk of developing foot ulcers, which often lead to amputations and other health complications. Now, Scientists from the Centre for Biomechanics and Rehabilitation Technologies (CRBT) have developed a new method to reliably detect this risk without the need for complex electronic in-shoe sensors.
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Image: An image of a colored tissue section; Copyright: UC San Diego Health Sciences

AI predicts how patients with viral infections will fare

16/06/2021

Gene expression patterns associated with pandemic viral infections provide a map to help define patients' immune responses, measure disease severity, predict outcomes and test therapies - for current and future pandemics.
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Image: A sleeping woman; Copyright: PantherMedia/fizkes

Wearable EEG gathers reliable sleep data from the ear

16/06/2021

Preliminary results of a new study show that a wearable electroencephalogram device that gathers data from the ear measures sleep as reliably as traditional EEG electrodes attached to the scalp.
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Image: An old man is looking at his palms with a puzzled face; Copyright: PantherMedia/AndrewLozovyi

Neurology: chemical reactions as the key to understanding Alzheimer's

15/06/2021

Research teams from TU Darmstadt, British and US universities are focusing on one possible main process that leads to the death of brain cells – chemical reactions between different proteins in the brain and essential metals such as copper and iron – in their investigation of the causes and mechanisms of Alzheimer's disease.
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Image: A man with a smartwatch on his wrist; Copyright: PantherMedia/Wavebreakmedia Ltd

Controlling insulin production with a smartwatch

15/06/2021

Many modern fitness trackers and smartwatches feature integrated LEDs. The green light emitted, whether continuous or pulsed, penetrates the skin and can be used to measure the wearer's heart rate during physical activity or while at rest.
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Image: A scientist in white lab coat, protective glasses and gloves is working on a big test rig; Copyright: LZH

Eye surgery: LZH works on improved lens refilling

14/06/2021

In eye surgery for cataract, the lens refilling method could allow to maintain or restore the lens's accommodation of the lens, i.e. the ability to adjust its refractive power flexibly. So far, however, this method has not yet been clinically successful.
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Image: Two men next to a monitor that shows a tissue section – Philipp Sodmann, Matthias Griebel; Copyright: Universität Würzburg

Pathology: diagnoses with Deepflash

14/06/2021

In medicine, it is still standard practice to evaluate microscopy images of tissue sections by hand. This is used, for example, to assess how many cancer cells are in a lymph node.
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