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Monitoring of trace amount of acetaminophen and estrogen in drinking water is of great importance because of their potential links to gastrointestinal diseases and breast and prostate cancers. The sensitive and accurate detection of acetaminophen and estrogen requires the development of advanced sensing materials that possess appropriate number of analyte-capturing sites and suitable signal conduction path. This can be achieved by implementing appropriate chemical attachment of multiwalled carbon nanotubes (MWCNTs) and β-cyclodextrin (βCD). Here, we report a systematic investigation of four types of modified MWCNT-βCD: (1) physical mixing, (2) “click reaction”, (3) thionyl chloride esterification, and (4) Steglich esterification. The Steglich esterification is a one-step approach with shorter reaction time, lower reaction temperature, and eliminates handling of air/moisture-sensitive reagents. MWCNT-βCD …
American Chemical Society
Publication date: 
1 Jun 2018

Arif Ul Alam, Yiheng Qin, Massimo Catalano, Luhua Wang, Moon J Kim, Matiar MR Howlader, Nan-Xing Hu, M Jamal Deen

Biblio References: 
Volume: 10 Issue: 25 Pages: 21411-21427
ACS applied materials & interfaces