Issue 20, 2012
From the journal:

Analyst

Rapid casein quantification in milk powder with aggregation induced emission character of tetraphenylethene derivative†

Yingyi Liu,a   Zhuo Wang,*a   Guanxin Zhang,*b   Wei Zhang,a   Deqing Zhang*b  and  Xingyu Jianga  

* Corresponding authors

a CAS Key lab for Biological Effects of Nanomaterials and Nanosafety, National Center for NanoScience and Technology, 11 Beiyitiao, Zhongguancun, Beijing, P. R. China
E-mail: wangz@nanoctr.cn
Fax: +86 10 8254 5631
Tel: +86 10 8254 5575

b Institute of Chemistry Chinese Academy of Sciences, 2 Beiyijie, Zhongguancun, Beijing, P. R. China
E-mail: dqzhang@iccas.ac.cn

Abstract

A casein assay has been developed with aggregation induced emission character of BSPOTPE, which is a derivative of tetraphenylethene (TPE). The method exhibits a wide dynamic range of detection for casein from 10 μg ml−1 to 5000 μg ml−1, and a good linear range from 20 μg ml−1 to 1250 μg ml−1. With sample-pretreatment procedures, we can detect the casein in skimmed and full milk powder, avoiding the interferences from other components and illegal additives in milk.

Graphical abstract: Rapid casein quantification in milk powder with aggregation induced emission character of tetraphenylethene derivative

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Supplementary files

Article information

DOI
https://doi.org/10.1039/C2AN35892A
Article type
Communication
Submitted
02 Jul 2012
Accepted
15 Aug 2012
First published
16 Aug 2012

Analyst, 2012,137, 4654-4657

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Rapid casein quantification in milk powder with aggregation induced emission character of tetraphenylethene derivative

Y. Liu, Z. Wang, G. Zhang, W. Zhang, D. Zhang and X. Jiang, Analyst, 2012, 137, 4654 DOI: 10.1039/C2AN35892A

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