Related topics: hiv

New testing approach diagnoses COVID-19 with near-perfect accuracy

By inspecting the body's immune response at a molecular level, a research team has developed a new way to test patients for COVID-19. Their method can potentially catch infections a matter of hours after exposure—far earlier ...

SlipChip counts molecules with chemistry and a cell phone

(Phys.org) —In developing nations, rural areas, and even one's own home, limited access to expensive equipment and trained medical professionals can impede the diagnosis and treatment of disease. Many qualitative tests ...

Redefining DNA: Darwin from the atom up

In a dramatic rewrite of the recipe for life, scientists from Florida today described the design of a new type of DNA with 12 chemical letters instead of the usual four. Presented here at the 237th National Meeting of the ...

Team developing mobile DNA test for HIV

(Phys.org) —Rice University bioengineers are developing a simple, highly accurate test to detect signs of HIV and its progress in patients in resource-poor settings.

A detailed simulation of air flow after sneezing

By the beginning of April 2021, the number of people infected during the COVID-19 pandemic had risen to more than 130 million people of whom more than 2.8 million died. The SARS-CoV-2 virus responsible for COVID-19 is transmitted ...

Cellphone-sized device quickly detects the Ebola virus

The worst of the recent Ebola epidemic is over, but the threat of future outbreaks lingers. Monitoring the virus requires laboratories with trained personnel, which limits how rapidly tests can be done. Now scientists report ...

New single virus detection techniques for faster disease diagnosis

To test the severity of a viral infection, clinicians try to gauge how many viruses are packed into a certain volume of blood or other bodily fluid. This measurement, called viral load, helps doctors diagnose or monitor chronic ...

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