Document Detail

High-performance organic nanomembrane based sensors for rapid in-situ acid detection.
MedLine Citation:
PMID:  22934833     Owner:  NLM     Status:  Publisher    
Here we demonstrate the fabrication, characterization and tailoring of porous organic nanomembranes and their direct integration on inorganic substrates for sensing applications. The chemically prepared nanomembranes can be integrated on both conducting and insulating substrates by either transfer or direct synthesis. We also successfully demonstrate their use for the detection of commonly used acids including HCl, H<u>2</u>SO<u>4</u> or H<u>3</u>PO<u>4</u>, and their respective counterions - chlorides, sulfates and phosphates. Impressively, the in-situ acid detection is achieved down to 5 nmol.L(-1), while the quantification is feasible between 5 µmol.L(-1) and 10 mmol.L(-1). These values are among the lowest values reported so far in literature. Furthermore, the organic nanomembrane based sensor covers a wide concentration range of almost 8 orders of magnitude including the environmental limits currently adopted.
Céline Vervacke; Carlos Cesar Bof Bufon; Dominic J Thurmer; Pablo R Siles; Oliver G Schmidt
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-8-30
Journal Detail:
Title:  Analytical chemistry     Volume:  -     ISSN:  1520-6882     ISO Abbreviation:  Anal. Chem.     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-8-31     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370536     Medline TA:  Anal Chem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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