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| Reliable diagnostics at the tip of your finger Posted: 18 May 2022 05:06 AM PDT Biomarkers are components that may be present in biological samples and are related to specific diseases. Therefore, doctors can analyze biological samples from a patient to check their health condition or to monitor the progress of a specific therapy. Typically, these samples need to be purified and diluted before the analysis, and current medical diagnostic techniques rely on healthcare facilities and laboratories for these routine analyses. This is a lengthy process that requires trained personnel and expensive instrumentation to extract, transport, store, process, and analyze the samples in centralized locations. Moreover, during a period of global crisis like the ongoing pandemic, the pressure of thousands of analysis requests can saturate and collapse the healthcare system. |
| How the brain changes during depression treatment Posted: 18 May 2022 05:05 AM PDT Researchers have shown what happens to the brain when a person receives a depression treatment known as repetitive transcranial magnetic stimulation (rTMS). rTMS is a depression treatment typically used when other approaches -- such as medications -- haven't been effective for a patient. By stimulating the dorsolateral pre-frontal cortex, rTMS activates several other regions of the brain involved in multiple functions, from managing emotional responses to memory and motor control. |
| Energy-efficient AI hardware technology via a brain-inspired stashing system? Posted: 17 May 2022 06:04 PM PDT Researchers have proposed a novel system inspired by the neuromodulation of the brain, referred to as a 'stashing system,' that requires less energy consumption. Computer scientists have now developed a technology that can efficiently handle mathematical operations for artificial intelligence by imitating the continuous changes in the topology of the neural network according to the situation. |
| Time-restricted eating may lower CVD risk for older breast cancer survivors Posted: 17 May 2022 12:18 PM PDT Older breast cancer survivors with cardiometabolic risk factors who restricted food intake to eight hours during the weekday, followed by 16 hours of fasting, lowered their risk of cardiovascular disease (CVD) after a few weeks, according to a new research letter. |
| Statins may provide protection against depression Posted: 17 May 2022 10:07 AM PDT Statins have been hailed as a wonder drug; the cholesterol-lowering drugs have been prescribed to tens of millions of people since their approval in the late 1980s to prevent heart attack and stroke. But the drugs may yet have additional benefits, some research has hinted, including on mental health. Now, a new study examines the influence of statins on emotional bias, a marker for risk of depression. |
| Scientists see signs of traumatic brain injury in headbutting muskox Posted: 17 May 2022 10:07 AM PDT Scientists saw for the first time hallmarks of concussions and other head trauma in the brains of deceased headbutting animals -- muskoxen and bighorn sheep. The results may contradict the commonly-held belief that ramming animals do not suffer brain injuries and support the notion that studies on animals with brains evolutionarily similar to those of humans may help researchers understand and reduce traumatic brain injuries. |
| Study identifies cellular 'chaperone' for zinc Posted: 17 May 2022 08:22 AM PDT A team has described and characterized the first zinc metallochaperone: a protein that puts zinc into other 'client' proteins. The findings shed light on the public health issue of zinc deficiency and open an entirely new area of biology for exploration. |
| Magnetic resonance makes the invisible visible Posted: 17 May 2022 06:48 AM PDT Researchers have developed an advanced NMR (Nuclear Magnetic Resonance) method to monitor fast and complicated biomolecular events such as protein folding. |
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