Tech
Scientists have developed a pioneering new technique that could revolutionise the accuracy, precision and clarity of super-resolution imaging systems.
A team of scientists, led by Dr Christian Soeller from the University of Exeter's Living Systems Institute, which champions interdisciplinary research and is a hub for new high-resolution measurement techniques, has developed a new way to improve the very fine, molecular imaging of biological samples.
HAMILTON, ON, Jan. 21, 2020 -- McMaster University researchers have established in lab settings that a novel combination of two forms of immunotherapy can be highly effective for treating lung cancer, which causes more deaths than any other form of cancer.
The new treatment, yet to be tested on patients, uses one form of therapy to kill a significant number of lung tumor cells, while triggering changes to the tumor that enable the second therapy to finish the job.
Among the materials known as perovskites, one of the most exciting is a material that can convert sunlight to electricity as efficiently as today's commercial silicon solar cells and has the potential for being much cheaper and easier to manufacture.
There's just one problem: Of the four possible atomic configurations, or phases, this material can take, three are efficient but unstable at room temperature and in ordinary environments, and they quickly revert to the fourth phase, which is completely useless for solar applications.
BIRMINGHAM, Ala. - A 72-year-old woman was hospitalized with severe COVID-19 disease, 33 days after the onset of symptoms. She was suffering a prolonged deteriorating illness, with severe pneumonia and a high risk of death, and she was unable to mount her own immune defense against the SARS-CoV-2 virus because of chronic lymphocytic leukemia, which compromises normal immunoglobulin production.
Microscopy is the workhorse of contemporary life science research, enabling morphological and chemical inspection of living tissue with ever-increasing spatial and temporal resolution. Even though modern microscopes are genuine marvels of engineering, minute deviations from ideal imaging conditions will still lead to optical aberrations that rapidly degrade imaging quality.
Amsterdam, January 21, 2021 - A new study published in the Journal of Alzheimer's Disease carried out by researchers at the Marqués de Valdecilla-IDIVAL University Hospital, in collaboration with researchers at the University of Bonn Medical Center, proposes that major surgery is a promoter or accelerator of Alzheimer's disease (AD).
Contemporary robots can move quickly. "The motors are fast, and they're powerful," says Sabrina Neuman.
Yet in complex situations, like interactions with people, robots often don't move quickly. "The hang up is what's going on in the robot's head," she adds.
When drought caused devastating crop losses in Malawi in 2015-2016, farmers in the southeastern African nation did not initially fear for the worst: the government had purchased insurance for such a calamity. But millions of farmers remained unpaid for months because the insurer's model failed to detect the extent of the losses, and a subsequent model audit moved slowly. Quicker payments would have greatly reduced the shockwaves that rippled across the landlocked country.
It's cool to be small. Scientists at the National Institute of Standards and Technology (NIST) have miniaturized the optical components required to cool atoms down to a few thousandths of a degree above absolute zero, the first step in employing them on microchips to drive a new generation of super-accurate atomic clocks, enable navigation without GPS, and simulate quantum systems.
The SARS-CoV-2 virus may enter and replicate in human cells by exploiting newly-identified sequences within cell receptors, according to work from two teams of scientists. The findings from both groups paint a more complete portrait of the various cellular processes that SARS-CoV-2 targets to not only enter cells, but to then multiply and spread. The results also hint that the sequences could potentially serve as targets for new therapies for patients with COVID-19, although validation in cells and animal models is needed.
Chimeric Antigen Receptor T-cell therapy--CAR T--has revolutionized leukemia treatment. Unfortunately, the therapy has not been effective for treating solid tumors including childhood cancers such as neuroblastoma. Preclinical studies using certain CAR T against neuroblastoma revealed toxic effects. Now, a group of scientists at Children's Hospital Los Angeles have developed a modified version of CAR T that shows promise in targeting neuroblastoma, spares healthy brain tissue and more effectively kills cancer cells.
PHILADELPHIA--Patients with inactive cancer and not currently undergoing treatments also face a significantly higher risk of severe illness from COVID-19, a new study from Penn Medicine published online today in JNCI Cancer Spectrum shows. Past reports have established an increased risk of severe disease and death for sick or hospitalized cancer patients with COVID-19 compared to patients without cancer, but less is known about patients in the general population.
New research published in the British Journal of Psychology indicates that social influence has a large impact on people's adherence to COVID-19 guidelines.
In the analysis of information from 6,674 people in 114 countries, investigators found that people distanced most when they thought their close social circle did. Such social influence mattered more than whether people thought that distancing was the right thing to do.
Prostate cancer is one of the most common cancers among men. Patients are determined to have prostate cancer primarily based on *PSA, a cancer factor in blood. However, as diagnostic accuracy is as low as 30%, a considerable number of patients undergo additional invasive biopsy and thus suffer from resultant side effects, such as bleeding and pains.
*Prostate-Specific Antigen (PSA): a prostate-specific antigen (a cancer factor) used as an index for the screening of prostate cancer.
Since 1997 (Reno vs. American Civil Liberties Union), the Supreme Court has used the metaphor of the free market of ideas to define the Internet, thus addressing the regulation of the net as a matter of freedom of speech. In law, metaphors have a constitutive value and, once established, affect the debate and the decisions of the Courts for a long time.