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“#Injectable hydrogel could someday lead to more effective vaccines” Credit: American Chemical Society Vaccines have curtailed the spread of several infectious diseases, such as smallpox, polio and measles. However, vaccines against some diseases, including HIV-1, influenza and malaria, don’t work very well, and one reason could be the timing of antigen and adjuvant presentation to…
“#Lab discovers small ‘Cain-and-Abel’ molecule” The structure of the newly discovered small molecule Streptosactin. Credit: Leah Bushin. A new bacterial molecule with the unsavory tendency to track down and kill others of its own kind has been discovered in the human microbiome by researchers at Princeton’s Department of Chemistry. Named Streptosactin, it is the first…
“#Information about molecular shape of viruses that cause COVID-19, SARS, and MERS reveals structural similarities” Molecular structure of the papainlike enzyme known as PLPro. This enzyme allows the viruses that cause SARS, MERS, and COVID-19 to infect cells and replicate and suppress the host’s immune function. Now that the enzyme structure is known in detail,…
“#DNA damage caused by migrating light energy” DNA is exposed to UV radiation from LEDs to study how far the photoenergy migrates. Credit: Arthur Kuhlmann, KIT Ultraviolet light endangers the integrity of human genetic information and may cause skin cancer. For the first time, researchers at Karlsruhe Institute of Technology (KIT) have demonstrated that DNA…
“#SMART researchers develop fast and efficient method to produce red blood cells” Laboratory set-up of microfluidic sorting and purification of cells during red blood cell culture and manufacturing. Credit: Singapore-MIT Alliance for Research and Technology (SMART) Researchers from Singapore-MIT Alliance for Research and Technology (SMART), MIT’s research enterprise in Singapore, have discovered a new way…
“#New method to fight cancer with molecular fibers” The physical structures of cancer cells are disrupted by a web forming inside of the cells – which activates their self destruction mechanism. Credit: MPI-P According to the Federal Statistical Office of Germany, cancer is one of the most frequent causes of death, accounting for almost 25%…
“#Mysterious cellular droplets come into focus” Individual protein molecules comprising the condensate are highlighted using color. Credit: Han-Yi Chou, University of Illinois, Urbana-Champaign The world inside the human cell has grown a bit more interesting in recent years as the role of a new biological structure became clearer. It was long believed that most important…
“#Velcro-like food sensor detects spoilage and contamination” The Velcro-like food sensor, made from an array of silk microneedles, can pierce through plastic packaging to sample food for signs of spoilage and bacterial contamination. Credit: Felice Frankel MIT engineers have designed a Velcro-like food sensor, made from an array of silk microneedles, that pierces through plastic…
“#Flipping light on-off turns bacteria into chemical factories” Princeton University researchers invented a method for using light to turn on and off a mechanism in E. coli bacteria that is key to making the bacteria produce valuable chemicals. Here the genetic tool they invented, called OptoLac, was demonstrated by projecting light in the pattern of…
“#Seaweed, slime and socks: The science behind the suds” Credit: CC0 Public Domain The novel phosphodiesterase enzyme, discovered by a team from Newcastle University, UK, is used by bacteria to unstick themselves from seaweed. The bacteria release an enzyme which breaks down the sticky molecules, naturally present on the seaweed surface. This enzyme is a…