A novel polymeric fluorescence sensor based on acrylated citric acid for detection of melamine adulteration: Application in milk powder.

Taşci N., Çubuk S., Yetimoğlu E. K., Kahraman M. V.

Food chemistry, cilt.394, ss.133525, 2022 (SCI-Expanded) identifier identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 394
  • Basım Tarihi: 2022
  • Doi Numarası: 10.1016/j.foodchem.2022.133525
  • Dergi Adı: Food chemistry
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, PASCAL, Aerospace Database, Aquatic Science & Fisheries Abstracts (ASFA), BIOSIS, CAB Abstracts, Chemical Abstracts Core, Chimica, Communication Abstracts, Compendex, EMBASE, Food Science & Technology Abstracts, MEDLINE, Metadex, Veterinary Science Database, Civil Engineering Abstracts
  • Sayfa Sayıları: ss.133525
  • Anahtar Kelimeler: Adulteration, Fluorimetric sensor, Melamine, Milk powder, Polymeric sensor, RESONANCE ENERGY-TRANSFER, GOLD NANOPARTICLES, CYANURIC ACID, NANOCLUSTERS, PRODUCTS, PROBE
  • Marmara Üniversitesi Adresli: Evet

Özet

Melamine selective acrylate citric acid (ACA) based polymeric membrane sensor was prepared by radical polymerization method and the sensor was characterized. The sensor showed a selective fluorescent response to melamine (λex/λem=388/425 nm). The sensor response is linear in the concentration range of 3.96x10-9 to 7.93x10-8 mol L-1, the optimum pH value is 6.0 and response time is less than 1 minute. Limit of detection (LOD) and limit of quantification (LOQ) were calculated as 2.32 x 10-10 mol L-1 and as 7.74 x 10-10 mol L-1, respectively. The sensor showed great selectivity towards melamine in the presence of a large number of molecules and ions. The performance of sensor was also confirmed by determining of melamine in milk powder sample and the results were compared with HPLC results and acceptable results were obtained. As a conclusion, the results revealed that the proposed sensor is an interesting alternative for melamine determination. Keywords: Adulteration; Fluorimetric sensor; Melamine; Milk powder; Polymeric sensor.