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Reference type: Journal
Authors: Hao HX, Zhou H, Zeng L, Liu JJ, Liu Y
Article Title: Highly sensitive detection of morphine based on molecular imprinting polymers using surface plasmon resonance.
Publication date: 2014
Journal: Journal of Chemical and Pharmaceutical Research
Volume: 6
Issue: (6)
Page numbers: 1699-1708.
Alternative URL: http://www.jocpr.com/articles/highly-sensitive-detection-of-morphine-based-on-molecular-imprinting-polymers-using-surface-plasmon-resonance.pdf

Abstract: A surface Plasmon resonance (SPR) sensor highly sensitive and selective for morphine (MO) was prepared in molecular imprinted technology, in which methacrylic acid (MAA) was used as the functional monomer; Ethyleneglycol dimethacrylate (EGDMA) as the cross-linker; and azobisisobutylnitrile (AIBN) as the initiator. This approach features a rapid response, good selectivity, label-free detection and most notably, this sensor with very low LOQ (0.3ng/ml) can be applied to trace MO determination at ppb order of magnitude. The SPR response is proportional to the concentration of morphine in acetonitrile (R2=0.9971) in the range of 10-9M to10-6M (0.3300ng/mL) with LOD (0.001ng/ml). Moreover, the proposed method can discriminate between morphine and very close structural analog codeine.
Template and target information: morphine, MO
Author keywords: forensic science, surface plasmon resonance (SPR), molecular imprinted technology (MIT), morphine, sensor, drug analysis

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