Scientist aims to ensure 'microbe-free' Mars samples

The Mars 2020 Perseverance Rover is collecting samples in search of signs of ancient microbial life, which would advance NASA's quest to explore the past habitability of Mars. The samples are set to return to Earth no earlier ...

NIST quantifies low levels of 'heart attack risk' protein

Searching for a needle in a haystack may seem futile, but it's worth it if the needle is a hard-to-detect protein that may identify a person at high risk of a heart attack circulating within a haystack of human serum (liquid ...

Graphene-based nanozyme helps to detect L-cysteine in serum

Graphene-based materials can be obtained using various reducing agents, many of which are dangerous and toxic chemicals, and the obtained graphene-based materials are prone to aggregation, limiting their practical applications.

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