Antibodies need a strong core—not just grip—to fight SARS-CoV-2

Apr, Wed, 2026
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An international research team has identified a previously overlooked factor that influences how antibodies neutralize SARS-CoV-2: their mechanical stability under force. Antibodies are key components of the immune system that bind to viral particles and block infection. Traditionally, their effectiveness has been evaluated based on binding affinity alone—how strongly they attach to viral proteins. However, in the human body, antibodies function in a mechanically dynamic environment shaped by blood flow, respiratory motion, and cellular forces.

Beer waste may become sunscreen ingredient after spent hops show promising UV protection
Research conducted at the University of São Paulo (USP) in Brazil revealed that hops (Humulus lupulus L.) industrial waste from the brewing industry is a viable option for sunscreen formulation production. The multidisciplinary study, which involved researchers from USP's School of Pharmaceutical Sciences (FCF), was inspired by the large amount of waste generated and discarded during beer production. The study brought together complementary expertise in natural products and bioactive photoprotection.
Antibodies need a strong core—not just grip—to fight SARS-CoV-2
An international research team has identified a previously overlooked factor that influences how antibodies neutralize SARS-CoV-2: their mechanical stability under force. Antibodies are key components of the immune system that bind to viral particles and block infection. Traditionally, their effectiveness has been evaluated based on binding affinity alone—how strongly they attach to viral proteins. However, in the human body, antibodies function in a mechanically dynamic environment shaped by blood flow, respiratory motion, and cellular forces.
Single-molecule method rapidly screens custom enzymes from vast mutant libraries
Enzymes are proteins that catalyze chemical reactions in living organisms. They are widely applied in industries such as food production, detergents, pharmaceuticals, and chemicals. However, for commercial use, natural enzymes often need improved stability, substrate specificity, or catalytic efficiency.
Molecular probe upgrade could make off-target drug effects easier to measure
A UCLA-led international research collaboration has unveiled a new technology that may help scientists better understand how small molecules, including many drugs, bind to proteins. The invention works with an existing lab method called photo-crosslinking. The paper is published in the journal Nature Chemistry.
Marigold flowers show potential as a source of plant-based protein
Our current fascination with high-protein foods means plant-based protein now shows up in many food products. But rather than growing plants just for their protein, researchers wondered if edible flowers—like pot marigolds that are usually composted or thrown away once they're past their prime—could be a new, sustainable plant-based protein source. So, they measured the protein content and composition of dried marigolds, and they report the results in ACS Food Science & Technology.