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Fabrication of sensors by 3D printing combines speed, freedom of design, and the possibility of using waste as a substrate. Various results have been obtained in a circular economy mode, whereby residues usually thrown away are instead used as low-cost resources. A highly creative solution involving the printing of electrochemical sensors on fallen tree leaves has now been presented by a team of researchers in Brazil led by Bruno Janegitz, a professor at the Federal University of São [...]

Diagnosing autism spectrum disorder (ASD) is still a daunting challenge because of the degree of complexity involved, requiring highly specialized professionals. Autism is a multifactorial neurodevelopment disorder with widely varying symptoms. In the United States, about 1 in 36 children have been diagnosed with ASD, according to the Centers for Disease Control and Prevention (CDC), and yet there are no biochemical markers to identify it with precision. A quantitative diagnostic method is [...]

An electrochemical sensor that can identify Parkinson’s disease at various stages has been created by researchers at the Federal University of So Carlos (UFSCar) and the University of Campinas (UNICAMP) in Brazil. The gadget was created using a standard 3D printer and showed early disease detection capabilities, serving as a model for the detection of other diseases, according to the study. Findings in the journal published in the journal Sensors and Actuators B: [...]

Work is underway to create anxiety and depression prediction models, using artificial intelligence (AI) and Twitter, one of the world’s largest social media platforms, that could detect signs of these illnesses before clinical diagnosis, according to researchers. Researchers at the University of So Paulo (USP) in Brazil said that preliminary findings from the model suggested the possibility of detecting the likelihood of a person developing depression based solely on their social media [...]

Research led by scientists at the University of São Paulo (USP) in Brazil has found that the coronavirus that causes Covid-19 can be detected in tears collected by swabbing. A swab is an absorbent cotton pad on a flexible rod used to clean wounds, apply medication and take specimens. The researchers analyzed samples from patients diagnosed with the disease by conventional methods and admitted to the Hospital for Rehabilitation of Craniofacial Anomalies (HRAC) run by the Bauru Dental [...]

Rapid, low-cost, and accurate tests are still required for epidemiological surveillance and healthcare services to monitor and contain the spread of SARS-CoV-2. Brazilian researchers have contributed to this field’s efforts by creating an electrochemical immunosensor that identifies antibodies against the virus. The innovation is described in an article published in the journal ACS Biomaterials Science and Engineering. In search of a novel diagnostic method, the group opted for a [...]