Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2022 Jul 28;12(8):575. doi: 10.3390/bios12080575

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

Schematic of a tip OFB: (a) components and measurement procedure; (b) magnification of the sensor surface biofunctionalized with aptamer-modified GNR; (c) schematization of LSPR wavelength shift when the analyte, in this case, OTA, is recognized by the specific aptamer; (d) GNR-coated tip OFS response to RI; (e) LSPR wavelength shift with different concentrations of OTA, and (f) experimental response of the biosensor to different concentrations of OTA with respective linear fitting (images adapted with permission from ref. [53]. Copyright ©2018, with permission from Elsevier).