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- W4304080603 abstract "DIAGNOSTICS Reactions ShareShare onFacebookTwitterWechatLinked InRedditEmail C&EN, 2022, 100 (36), p 2October 10, 2022Cite this:C&EN 100, 36, 2Letters to the editorQuantitative lateral flowThe interesting article by Bethany Halford on lateral flow tests (C&EN Sept. 19, 2022, page 6) inspired me to express it in the following poem. A current technique that is all on the go,That gives a rapid test, is lateral flowBut results, so far, have all beenqualitative.Now the Swager group has made itquantitativeWithout using sophisticatedinstrumentationAs a simple smartphone is used on thisoccasion.They used particles with conductingpolypyrrole shellsWith glucose oxidase enzyme attached tothem as well.So, when glucose is present hydrogenperoxide is releasedAnd the conductivity of the polypyrrole isincreased.An attached rfid tag detects this changeAnd transmits the info to a smartphonewithin rangeThus allowing the glucose concentration tobe measuredAnd transmitted to a lab and the informationgathered.This technique can be used with otherbiomarkers,Allowing more health care information to besent, for starters.So we salute Tim Swager, Jie Li, Weize Yuanand Co.For this advance in instrumentation and wewant all to know.Andrew Roxburgh McGhieWilmington, Delaware CorrectionsOctober 19, 2020, page 7: The paper that was the basis of a news article on a material setting a superconducting record has been retracted (Nature 2022, DOI: 10.1038/s41586-022-05294-9).Sept. 26, 2022, page 4: The news story on the US plastics industry misstates the American Chemistry Council’s state lobbying efforts for recyclers that use pyrolysis or gasification. The group wants these plants classified as manufacturing facilities instead of waste handlers; it does not seek to relax current regulations. The classification does change the environmental regulations that must be followed, however.Sept. 26, 2022, page 17: The feature story on improving drug availability includes incorrect information about Nanoform Finland’s work conducted under good manufacturing practice (GMP) standards. The company has a goal of at least three new customer GMP contracts during 2022 but has not stated that it has three GMP contracts. Also, the contract last year was for a drug produced according to the Finnish Medicines Agency Fimea’s standards, not those of the US Food and Drug Administration. Separately, Lonza is adding environmentally friendly solvents like acetic acid to reduce the use of traditional solvents, not replace them.Oct. 3, 2022, page 20: The cover story on the chemistry of Earth’s core incorrectly describes the value of 5.25 gm/cm3. It is the density, not volume, of Earth." @default.
- W4304080603 created "2022-10-10" @default.
- W4304080603 date "2022-10-10" @default.
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- W4304080603 title "Reactions" @default.
- W4304080603 doi "https://doi.org/10.1021/cen-10036-reactions" @default.
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