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Researchers in Brazil have developed an electrochemical biosensor capable of detecting pancreatic cancer at an early stage through a simple blood test. The device identifies CA19-9, a key biomarker linked to the disease, at very low concentrations, offering a faster and cheaper alternative to conventional laboratory screening. The device contains specific antibodies that capture the primary biomarker of pancreatic cancer. The binding of these antibodies alters the distribution of electrical [...]

A common Asian tree grown widely in Brazil may offer a low-cost way to remove microplastics from drinking water, according to researchers at São Paulo State University. Scientists found that a saline extract made from the seeds of Moringa oleifera — known as moringa or white acacia — performed about as well as aluminum sulfate, the chemical coagulant commonly used in water treatment plants. In more alkaline water, the plant-based extract outperformed the conventional [...]

A new blood test combined with a standardized questionnaire and artificial intelligence may transform the way leprosy is diagnosed in Brazil. Researchers at the University of São Paulo (USP) tested the new test in Brazil using blood samples collected during a COVID-19 population survey. The method showed potential for identifying the disease earlier, in its initial stages, when symptoms are subtle and traditional laboratory tests often fail. “The new test analyzes not just one, but three [...]

So-called “exotic phases of matter” are currently a major focus of scientific research. There are two reasons for this. From the perspective of basic science, they represent a largely unexplored frontier of quantum physics. From the perspective of applied science, they are the foundation of emerging technologies, including robust quantum computing. A recent study by an international team of researchers revealed that the heavy fermion compound CeRu₄Sn₆ exhibits an entirely new [...]

Nearly three years after the SARS-CoV-2 pandemic was declared over, conservative estimates suggest that between 80 million and 400 million people worldwide have long COVID. This chronic condition associated with the infection is linked to more than 200 symptoms, including fatigue and shortness of breath, as well as neuropsychiatric issues ranging from cognitive dysfunction and sleep disorders to depression and memory loss. These issues impact quality of life and hinder the performance of [...]

Chocolate produced in the Amazon is internationally recognized for its unique flavor. A study by researchers at São Paulo State University (UNESP) in Brazil showed that it could be even more valuable. The analysis indicates that post-harvest practices such as fermenting the beans from the fruit, combined with the appropriate choice of cultivar, can improve the nutritional quality and flavor of the chocolate, thereby expanding the market potential of the product. “Unlike soybeans, corn, [...]

Chronic obstructive pulmonary disease (COPD) is known for causing breathing difficulties and limiting everyday activities. Obstructive sleep apnea syndrome (OSAS), on the other hand, is usually associated with loud snoring and daytime sleepiness. However, a study shows that having both conditions has an even more profound impact on patients’ muscle strength and quality. “Although it’s generally associated only with lung function, chronic obstructive pulmonary disease is systemic, with [...]

Researchers at the University of São Paulo (USP) in Brazil have discovered a set of genes that can predict how viral hepatitis may progress in the body. They call this network of genes the “neuroimmunoma,” which connects the nervous and immune systems. The neuroimmunoma can serve as a biomarker to predict the severity of liver damage and the risk of liver cancer resulting from a hepatitis virus infection. The study analyzed data from over 1,800 samples from public banks in the United [...]

Researchers discovered that a natural dye produced by the Amazonian fungus 'Talaromyces amestolkiae' could be used in eco-friendly cosmetic products like creams, gel sticks, and shampoos. The dye shows antioxidant and antibacterial properties, reduces harmful oxygen-reactive substances on the skin by over 75%, and keeps more than 60% of skin cells alive, suggesting it is safe for cosmetic use. Microbial dyes like this are being explored as sustainable alternatives [...]