by University of California – San Diego A microscale diffuser on the transducer that produces the ultrasound waves is built based on the Schroeder diffuser–the best sound diffuser mathematical models can provide. This is the same math that is used to design concert halls so that every audience member can hear music perfectly. Credit: University...
As the BA.2 variant circulates, will you need a second COVID-19 booster?
by Matthew Modoono, Northeastern University While the BA.2 variant of the coronavirus appears to be highly infectious, it also appears to be less severe. For most people, that means the protection already afforded by a full vaccine regimen is sufficient to ward off illness, says Mansoor Amiji, university distinguished professor of pharmaceutical sciences and chemical...
Smart bra aims to quicken breast cancer diagnosis
by SciDev.Net Credit: Kemisola Bolarinwa A smart bra device developed in Nigeria can detect breast cancer early, potentially saving African women long journeys to access screening services, its inventor says. Breast cancer is the most common type of cancer among women in Sub-Saharan Africa, with 129,000 new cases diagnosed in 2020. Only around half of...
1 in 4 children who have suffered a minor head injury are liable to suffer from chronic post-concussion syndrome
by Tel-Aviv University Credit: Unsplash/CC0 Public Domain A new study by Tel Aviv University, Kaplan Medical Center and Shamir Medical Center (Assaf Harofeh) found that one in four children (25.3%) who have been discharged from the emergency room after a mild head injury are misdiagnosed and continue to suffer from persistent post-concussion syndrome for many...
A way to deliver oxygen directly to the bloodstream intravenously
by Bob Yirka, Medical Xpress (A) Schematic of the device geometry illustrating the bubble breakup mechanism. (B) Three-dimensional optical profilometry measurement of the SU-8 mold used to fabricate the microdevices. (C–F) Optical micrographs of the nanospraying process. As the liquid and gas phases enter the junction nozzle, the liquid phase focuses the gas into a...
Only 1 in 4 people needing treatment received medication for opioid use disorder in past year
by Rutgers University Credit: CC0 Public Domain Despite strong evidence that medication is the most effective treatment for opioid use disorder (OUD), adolescents and most adults who might benefit from OUD treatment report no medication use, according to a study by researchers at the Rutgers School of Public Health and Columbia University Mailman School of...
Vaccine-induced T cells provide long-lasting immune response to COVID-19
by The Peter Doherty Institute for Infection and Immunity Establishment of S751-specific CD4+ T cell memory following mild COVID-19. a, Frequency of TET751+ cells (as a percentage of total CD4+) among uninfected (n = 9) or COVID-19 convalescent individuals sampled 20 to 60 d after symptom onset (n = 19). The lines indicate the median, and bars indicate the IQR. b, Representative...
MEN CONSISTENTLY OVERESTIMATE THEIR OWN INTELLIGENCE, SCIENTISTS FIND
No, it’s not just you — men really do tend to think they’re smarter than everyone else. According to one of the researchers behind a recent study in the journal Frontiers in Psychology that found men tend to overestimate their intelligence quotient (IQ) scores more often than women, the pattern seems to be related to how masculine a person acts, and...
Biodegradable implant could help doctors monitor brain chemistry
by Pennsylvania State University Credit: Advanced Materials (2022). DOI: 10.1002/adma.202108203 A wireless, biodegradable sensor could offer doctors a way to monitor changes in brain chemistry without requiring a second operation to remove the implant, according to an international team of researchers. In a minimally invasive procedure on mice, the researchers inserted a wireless, biodegradable device into the...
Nonalcoholic fatty liver disease subtypes exhibit distinctive cardiovascular risk profiles
by CIC bioGUNE Credit: Pixabay/CC0 Public Domain Nonalcoholic fatty liver disease (NAFLD), a disease affecting approximately one-quarter of the world’s adult population, reflects dysfunctional hepatic lipid metabolism. A better understanding of NAFLD heterogeneity and its biology will facilitate the development of personalized treatments. An international team of researchers, led by José M Mato at CIC...