SOLANGE KAZUMI SAKATA

Resumo

Possui graduaĆ§Ć£o em QuĆ­mica bacharelado e licenciatura pela Universidade de SĆ£o Paulo. Doutorado na Ć”rea de QuĆ­mica OrgĆ¢nica, com ĆŖnfase em Eletrossintese OrgĆ¢nica pelo Instituto de QuĆ­mica da Universidade de SĆ£o Paulo. PĆ³s - doutorados em Biotecnologia no Scripps Institution of Oceanography na University of California - San Diego -USA) e no Instituto de QuĆ­mica da Universidade de SĆ£o Paulo. Foi pesquisadora visitante no Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB-Stuttgart - Alemanha no estudo do metagenoma na produĆ§Ć£o de enzimas para fins catalĆ­ticos e no Centro TecnolĆ³gico da Marinha de SĆ£o Paulo (CTM-SP) no desenvolvimento e caracterizaĆ§Ć£o de polĆ­meros. Atualmente Ć© pesquisadora do Instituto de Pesquisas EnergĆ©ticas e Nucleares (IPEN- SP / CNEN) no Centro de Tecnologia das RadiaƧƵes e estuda o efeitos das radiaƧƵes em nano materiais de carbono. (Texto extraĆ­do do CurrĆ­culo Lattes em 27 dez. 2021).

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  • Artigo IPEN-doc 28164
    Disposable electrochemical microfluidic device for ultrasensitive detection of egg allergen in wine samples
    2021 - BALDO, THAISA A.; PROENCA, CAMILA dos A.; FELIX, FABIANA da S.; FREITAS, TAYANE A.; SAKATA, SOLANGE K.; ANGNES, LUCIO; FARIA, RONALDO C.
    Food allergies have been increasing all over the world. Egg is an important component in the food industries and the second most common cause of food allergy, shortly after milk. In the wine industry, egg white is applied as a fining agent for tannin removal. In this study, a sandwich-based immunoassay for ultrasensitive detection of ovalbumin (OVA) in wine samples was developed. The assay involves the use of magnetic beads (MBs) decorated with a polyclonal anti-OVA antibody (Ab2) and horseradish peroxidase (HRP), used as label for the quantification in a disposable electrochemical microfluidic device (DEĪ¼D) here developed. The Ab2-MB-HRP prepared was applied to capture, separate, and pre-concentrate OVA from wine samples. In the DEĪ¼D, OVA was immune-magnetically captured (OVA-Ab2-MB-HRP), producing a sandwich structure (GO-Ab1-OVA-Ab2-MB-HRP) on the electrode's surface. This arrangement results in an ultrasensitive device, achieving the ultralow limit of detection of 0.2 fg mLāˆ’1 OVA. Five samples of wines were analyzed by using the immuno-magneto-assay which presents excellent accuracy compared with enzyme-linked immunosorbent assay (ELISA).