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June 2, 2021
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Over-the-counter COVID-19 tests make big promises. Do they deliver?
Over-the-counter COVID-19 tests make big promises. Do they deliver?
The US FDA has authorized a slew of at-home, over-the-counter COVID-19 tests that are fast and easy to take. But their convenience comes at a cost: rapid tests have been criticized for being inaccurate, and their price might put them out of reach for many. We decided to try the tests to see how they work and how well they perform. Here’s what we found.
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What you need to know about SARS-CoV-2 variants.
COVID-19
What you need to know about SARS-CoV-2 variants.
COVID-19 variants are becoming dominant in certain parts of the world. Here's all you need to know about the subtle differences between them and how they affect our vaccines and treatments.
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New covalent bridge found in proteins.
BIOCHEMISTRY
New covalent bridge found in proteins.
Researchers have found a new type of cross-link between amino acids in a protein. The intramolecular linkage is an N-O-S bridge formed by oxidizing the amine side group of a lysine and the thiol of a cysteine residue.
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Chemists design alien life detector.
ASTROCHEMISTRY
Chemists design alien life detector.
If there’s extraterrestrial life out there, it may now be simpler to detect. A new system can assess and classify the complexity of a molecule and thus predict the likelihood that it formed by chance or through evolution.
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PFAS pervade breast milk.
PERSISTENT POLLUTANTS
PFAS pervade breast milk.
Researchers analyzed the breast milk of 50 first-time mothers in the Seattle area, searching for the presence of PFAS, and detected the compounds in every sample.
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KNOW-HOW Every Step of The Way
Asymchem offers an integrated mix of CDMO solutions and has the KNOW-HOW to support the entire drug lifecycle.
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FEATURED CONTENT
Notorious KRAS: Taking down cancer researchers’ biggest foe.
PHARMACEUTICALS
Notorious KRAS: Taking down cancer researchers’ biggest foe.
It's been a long road to drugging KRAS. The US FDA recently approved the first KRAS G12C inhibitor, Amgen's Lumakras. Learn about the tough target in our 2019 cover story.
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Where did Mars’s water go?
PODCAST
Where did Mars’s water go?
Mars is a cold, dry planet, but it wasn’t always that way. The Red Planet may once have had more water than Earth does. In this episode of Stereo Chemistry, we talk to the scientists trying to figure out where Mars’s water went, a mystery that could help us understand how Earth, Mars, and even distant exoplanets evolve.
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INFOGRAPHIC
The materials science of cycling.
The materials science of cycling.
Learn about the materials used to make bike frames, tires, and accessories in this latest Periodic Graphics by Andy Brunning of Compound Interest.
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PerkinElmer
Featured Application Note
Analysis of Common Preservatives in Personal Care Products by HPLC with UV Detection
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