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What’s hot in science and engineering? Research news for the day of May 10, 2022

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Tue, 10 May 2022
Engineers develop fast and accurate COVID-19 sensor

Technology could lead to more efficient and effective mass testing

Engineers at Johns Hopkins University, supported in part by the U.S. National Science Foundation, have developed a COVID-19 sensor that addresses the limitations of the two most widely used types of COVID-19 tests: PCR tests that require sample …

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Tue, 10 May 2022
Structures considered key to gene expression are surprisingly fleeting

Theories of how loops control gene expression may need to be revised

In human chromosomes, DNA is coated by proteins, forming a long-beaded “string.” This string is folded into numerous loops, which are believed to help cells control gene expression and facilitate DNA repair, among other functions. A study by …

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