Veículo
7thSpace
Em 2026: 0 notícias
Desde 1995: 314 notícias
Chemical probe can regulate signaling pathway and block cell invasion by arboviruses
Publicado em 15 de março de 2019
Cells in humans and other vertebrates, as well as invertebrates, have signaling pathways that play essential roles in embryo development, cell proliferation and tissue structuring. Dysregulation in one of these signaling pathways, known as the beta-catenin-dependent Wnt signaling pathway, can cause embryo malformation and diseases such as breast cancer and cervical cancer.
Researchers at the Center for Medicinal Chemistry (CQMED) have discovered a way to regulate this pathway. Created with [...]
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Bioluminescence sensors make new approaches to drug discovery possible
Publicado em 12 março 2019Canadian researchers, working in partnership with Brazilian colleagues, have developed13 bioluminescence sensorsfor use in testing the effectiveness of new medical drugs in the laboratory. The study, published in thejournalScience Signaling, paves the way for new drugs to be tested and characterized. Thebiosensorsare based on the action of G protein-coupledreceptors (GPCRs), which are membrane-bound proteins involved in communication between cells. The researchers did not choose to [...]ver notícia -
São Paulo School of Advanced Science on First Light is open for registration
Publicado em 08 março 2019Registration is open until April 15, 2019, for the São Paulo School of Advanced Science on First Light: Stars, Galaxies and Black Holes in the Epoch of Reionization, scheduled to take place on July 28-August 7, 2019, at the University of São Paulo's Institute of Astronomy, Geophysics and Atmospheric Sciences (IAG-USP) in São Paulo, Brazil. The event is supported by FAPESP via its São Paulo School of Advanced Science (SPSAS) program. One hundred places are available for graduate students [...]ver notícia -
Hybrid material may outperform graphene in several applications
Publicado em 28 fevereiro 2019Materials that are hybrid constructions (combining organic and inorganic precursors) and quasi-two-dimensional (with malleable and highly compactable molecular structures) are on the rise in several technological applications, such as the fabrication of ever-smaller optoelectronic devices. An article published in the journalPhysical Review Bdescribes a study in this field resulting from the doctoral research of Diana Meneses Gustin and Luís Cabral, both supervised by Victor Lopez Richard, a [...]ver notícia -
Cellular alterations increase vulnerability of obese and diabetic individuals to infection
Publicado em 27 fevereiro 2019People who suffer from obesity and type 2 diabetes are more likely to become victims of infectious diseases. Both conditions affect the immune system and hence increase the risk of infections. Scientists have long sought a deeper understanding of the mechanism underlying this weakness in the immune system of obese and diabetic individuals. A study performed at the University of São Paulo's Biomedical Science Institute (ICB-USP) in Brazil has now demonstrated that the propensity of people with [...]ver notícia -
Giant animals lived in Amazonian mega-wetland
Publicado em 25 fevereiro 2019A land of giants. This is the best definition for Lake Pebas, a mega-wetland that existed in western Amazonia during the Miocene Epoch, which lasted from 23 million to 5.3 million years ago. The Pebas Formation was the home of the largest caiman and gavialoid crocodilian ever identified, both of which were over ten meters in length, the largest turtle, whose carapace had a diameter of 3.5 meters, and rodents that were as large as present-day buffaloes. Remains of the ancient biome are [...]ver notícia -
Technology developed in Brazil will be part of the International Space Station
Publicado em 19 fevereiro 2019A new version of equipment developed in Brazil - the Solar-T - will be sent to the International Space Station (ISS) to measure solar flares. It is estimated that the Sun-THz, the name given to the new photometric telescope, will be launched in 2022 on one of the missions to the ISS and will remain there to take consistent measurements. The photometric telescope works at a frequency of 0.2 to 15 THz, which can only be measured from space. In parallel, another telescope, the HATS, will be [...]ver notícia -
'Arapuca', a device developed in Brazil for international neutrino experiment, is enhanced
Publicado em 19 fevereiro 2019A critical part of one of the largest recent particle physics experiments was developed in Brazil. The Arapuca is a light detector to be installed in the Deep Underground Neutrino Experiment (DUNE) - a project that is searching to discover new properties of neutrinos, fundamental particles with very little mass that travel at close to the speed of light. The X-Arapuca is an enhanced version of the light detector developed by professors Ettore Segreto of the Gleb Wataghin Physics Institute of [...]ver notícia -
Lithium-air batteries can store energy for cars, houses and industry
Publicado em 18 fevereiro 2019Current lithium ion battery technology will probably not be able to handle the coming decades' huge demand for energy. It is estimated that by 2050, electricity will make up 50% of the world's energy mix. Today that rate is 18%. But installed capacity for renewable energy production is expected to increase fourfold. This will require batteries that are more efficient, cheaper and environmentally friendly. One of the alternatives being studied today in many parts of the world is the [...]ver notícia -
Animal venoms are sources in the search for new medicine
Publicado em 15 fevereiro 2019Animal venoms are the subject of study at research center based at the Butantan Institute in São Paulo. But in this case, the idea is not to find antidotes, but rather to use the properties of the venoms themselves to identify molecular targets of diseases and, armed with that knowledge, develop new compounds that can be used as medicines. The focus of the work are immuno-inflammatory diseases like osteoarthritis and rheumatoid arthritis, cancer and neurodegenerative diseases, explained Ana [...]ver notícia