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Pregled bibliografske jedinice broj: 751794

Časopis

Autori: Stipić, Filip; Pletikapić, Galja; Jakšić, Željko; Frkanec, Leo; Zgrablić, Goran; Burić, Petra; Lyons, Daniel Mark
Naslov: Application of functionalized lanthanide-based nanoparticles for the detection of okadaic acid-specific immunoglobulin G
Izvornik: The journal of physical chemistry. B, Condensed matter, materials, surfaces, interfaces & biophysical (1520-6106) 119 (2015), 4; 1259-1264
Vrsta rada: članak
Ključne riječi: biotoxin; immunodetection; diagnostics; biosensor; point-of-care
Sažetak:
Marine biotoxins are widespread in the environment and impact human health via contaminated shellfish, causing diarrhetic, amnesic, paralytic, or neurotoxic poisoning. In spite of this, methods for determining if poisoning has occurred are limited. We show the development of a simple and sensitive luminescence resonance energy transfer (LRET)-based concept which allows the detection of anti-okadaic acid rabbit polyclonal IgG (mouse monoclonal IgG1) using functionalized lanthanide-based nanoparticles. Upon UV excitation, the functionalized nanoparticles were shown to undergo LRET with fluorophore-labeled anti-okadaic acid antibodies which had been captured and bound by okadaic acid-decorated nanoparticles. The linear dependence of fluorescence emission intensity with antigen−antibody binding events was recorded in the nanomolar to micromolar range, while essentially no LRET signal was detected in the absence of antibody. These results may find applications in new, cheap, and robust sensors for detecting not only immune responses to biotoxins but also a wide range of biomolecules based on antigen−antibody recognition systems. Further, as the system is based on solution chemistry it may be sufficiently simple and versatile to be applied at point-of-care.
Projekt / tema: HRZZ-02.05/17
Izvorni jezik: ENG
Rad je indeksiran u
bazama podataka:
Current Contents Connect (CCC)
MEDLINE
Scopus
SCI-EXP, SSCI i/ili A&HCI
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Kategorija: Znanstveni
Znanstvena područja:
Fizika,Kemija
URL Internet adrese: http://pubs.acs.org/doi/abs/10.1021/jp506382w
Broj citata:
Altmetric:
DOI: 10.1021/jp506382w
URL cjelovitog teksta:
Google Scholar: Application of functionalized lanthanide-based nanoparticles for the detection of okadaic acid-specific immunoglobulin G
Upisao u CROSBI: Daniel Mark Lyons (Daniel.Mark.Lyons@irb.hr), 16. Vel. 2015. u 11:15 sati



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