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Photoluminescent Gold/BSA nanoclusters (AuNC@BSA) as sensors for red-fluorescence detection of mycotoxins (CROSBI ID 317024)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Fabijanić, Ivana ; Jurković, Marta ; Jakšić, Daniela ; Piantanida, Ivo Photoluminescent Gold/BSA nanoclusters (AuNC@BSA) as sensors for red-fluorescence detection of mycotoxins // Materials, 15 (2022), 23; 8448, 11. doi: 10.3390/ma15238448

Podaci o odgovornosti

Fabijanić, Ivana ; Jurković, Marta ; Jakšić, Daniela ; Piantanida, Ivo

engleski

Photoluminescent Gold/BSA nanoclusters (AuNC@BSA) as sensors for red-fluorescence detection of mycotoxins

The BSA-encapsulated gold nanoclusters (AuNC@BSA) have drawn considerable interest and demonstrated applications as biological sensors. In this study, we demonstrated that the red- emitting AuNC@BSA prepared using a modified procedure fully retained the binding of standard BSA-ligands (small molecule drugs), significantly improving fluorescence detection in some cases due to the red- emission property. Further, we showed that AuNC@BSA efficiently bind a series of aflatoxin- related mycotoxins as well as the aliphatic mycotoxin FB1, reporting interactions in the nanomolar range by instantaneous emission change at 680 nm. Such red emission detection is advantageous over current detection strategies for the same mycotoxins, based on complex mass spec- trometry procedures or, eventually (upon chemical modification of the mycotoxin), by fluorescence detection in the UV range (<400 nm). The later technique yields fluorescence strongly overlapping with the intrinsic absorption and emission of biorelevant mixtures in which mycotoxins appear. Thus, here we present a new approach using the AuNC@BSA red fluorescence reporter for mycotoxins as a fast, cheap, and simple detection technique that offers significant advantages over currently available methods.

AuNC@BSA nanoclusters ; mycotoxins ; fluorescence ; non-covalent binding

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Podaci o izdanju

15 (23)

2022.

8448

11

objavljeno

1996-1944

10.3390/ma15238448

Povezanost rada

Farmacija, Kemija

Poveznice
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