Biofouling potential of surface-enhanced Raman scattering-based seawater quality sensors by Ulva spp.

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS

ACS Applied Bio Materials Pub Date : 2023-05-01 Epub Date: 2023-08-18 DOI:10.1080/08927014.2023.2242283

Kayla R Kurtz, Tania Thalyta Silva de Oliveira, Robert Chevalier, Noura Rayes, Arijit Bose, Jason R Dwyer, Vinka Oyanedel-Craver

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Abstract

This study investigated the biofouling potential of surface-enhanced Raman scattering (SERS)-based sensor materials in the context of marine environments. Uncoated and monolithic commercial gold (Au) silicon nanopillar array SERS substrates, Au-coated carbon black nanoparticle (AuCB NP) substrates, uncoated and Au sputter-coated in-house SERS, and uncoated and Au sputter-coated glass controls were tested for biofouling potential using Ulva spp. as model biofouling organisms. The mean percentages of Ulva spp. zoospores that adhered per mm² (×10³) on the uncoated and coated Au silicon nanopillar array, AuCB NP, uncoated and Au sputter-coated in-house, and uncoated and Au sputter-coated glass substrates were 10.28%, 5.45%, 10.49%, 3.25%, 24.84%, 12.86% and 7.78%, respectively. Results indicated that surface properties such as hydrophobicity, roughness, Au sputter-coating and the presence of micro-refuges on nano- and microstructured substrates were critical to the biofouling formation.

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Ulva spp.基于表面增强拉曼散射的海水质量传感器的生物污垢潜力。

本研究研究了基于表面增强拉曼散射（SERS）的传感器材料在海洋环境中的生物污垢潜力。使用Ulva spp.作为模型生物污垢生物，测试了未涂覆和单片商业金（Au）硅纳米柱阵列SERS基底、涂覆Au的炭黑纳米颗粒（AuCB NP）基底、未涂覆和Au溅射涂覆的内部SERS以及未涂覆和金溅射涂覆的玻璃对照的生物污垢潜力。在未涂覆和涂覆的Au硅纳米柱阵列、AuCB NP、内部未涂覆和Au溅射涂覆以及未涂覆和金溅射涂覆的玻璃基板上，每mm2（×103）附着的Ulva spp.游动孢子的平均百分比分别为10.28%、5.45%、10.49%、3.25%、24.84%、12.86%和7.78%。结果表明，表面性质，如疏水性、粗糙度、Au溅射涂层以及纳米和微结构基底上存在的微避难所，对生物污垢的形成至关重要。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

ACS Applied Bio Materials Chemistry-Chemistry (all)

CiteScore

9.40

自引率

2.10%

发文量

464