MIPs logo MIPdatabase      MIP2020 Conference logo Use this space
Custom Search
Reference type: Journal
Authors: Cao XL, Zhao FN, Jiang ZJ, Hong SH, Zhang C, She YX, Jin F, Jin MJ, Wang J
Article Title: Rapid Analysis of Bitertanol in Agro-products Using Molecularly Imprinted Polymers-Surface-Enhanced Raman Spectroscopy.
Publication date: 2018
Journal: Food Analytical Methods
Volume: 11
Issue: (5)
Page numbers: 1435-1443.
DOI: 10.1007/s12161-017-1125-6

Abstract: In this work, we first reported molecularly imprinted polymers-surface-enhanced Raman spectroscopy (MIP-SERS) for rapid detection and quantification of bitertanol in cucumber and peaches. In order to remove interference-mitigation effects and avoid template leakage, MIPs were successfully synthesized based on triadimefon molecules as the dummy template, methacrylic acid (MAA) as a functional monomer, trimethylolpropane trimethacrylate (TRIM) as a cross-linker, and 2,2-azobis-isobutyronitrile (AIBN) as an initiator. Static adsorption experiments and Scatchard analysis were then conducted and results showed that the synthesized MIPs could rapidly and selectively adsorb and separate bitertanol from cucumber and peaches due to their predetermined recognition sites. The capacity of MIPs for absorbing bitertanol (~ 2.21 mg/g) was approximately 1.5 times that of non-imprinted polymers (NIPs) (~ 1.55 mg/g). Gold nanoparticles (AuNPs) synthesized by sodium citrate reduction method were validated as a suitable SERS colloid for enhancing Raman signals. SERS spectral peaks (760, 985, 1190, and 1279 cm-1) were used to develop quantitative analysis based on partial least-squares regression (PLSR) for bitertanol in cucumber and peaches. The LODs for this method were 0.041 and 0.029 mg/kg in cucumber and peaches, respectively. The entire analysis process required 15 min or less. More importantly, the MIP-SERS system provided not only a rapid, sensitive, and reliable method for bitertanol detection, but also a routine for overcoming the interference-mitigation effects in the SERS technology
Template and target information: bitertanol
Author keywords: MIP-SERS, bitertanol, Principal component analysis (PCA)


  Eat, sleep, imprint, repeat shirt  SMI logo mug  Woman of proper-tea mug

Molecules Special Issue call      Appeal for information






 

Join the Society for Molecular Imprinting
Logo of the Society for Molecular Imprinting

New items RSS feed
new items RSS feed  View latest updates

Sign-up for e-mail updates:
Choose between receiving an occasional newsletter or more frequent e-mail alerts.
Click here to go to the sign-up page.


Is your name elemental or peptidic? Enter your name and find out by clicking either of the buttons below!
Other products you may like:
view listings for MIP books on eBay:



Mickey Mouse 90th Anniversary banner