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生物被膜定植结石表面的接触角分析：台式和便携式方法在现场应用方面的比较研究

Contact angle analysis of biocolonized stone surfaces: Comparative study of benchtop and portable approaches to advance on-site applications.

作者信息

Berti Letizia, Gulotta Davide, Villa Federica, Toniolo Lucia, Gianini Gabriele, Cappitelli Francesca, Goidanich Sara

机构信息

Department of Sciences of Antiquity, "La Sapienza" University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy.

Department of Chemistry, Material and Chemical Engineering "Giulio Natta", Politecnico di Milano, Piazza Leonardo Da Vinci 32, 20133 Milan, Italy.

出版信息

iScience. 2025 Aug 5;28(9):113282. doi: 10.1016/j.isci.2025.113282. eCollection 2025 Sep 19.

DOI:10.1016/j.isci.2025.113282
PMID:40894899
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12396026/
Abstract

While traditionally confined to laboratory settings, recent developments have enabled Water Contact Angle (WCA) measurements to be conducted on-site, under field conditions. This study presents a comparative evaluation of a conventional benchtop method and a portable instrument applied to uncolonized and biocolonized stone surfaces. A reference non-absorbing substrate was used for method validation. Results showed good agreement between the two methods on non-absorbing surfaces, confirming the reliability of the portable approach. On porous biocolonized substrates, the methods differed in absolute WCA values but showed consistent trends, while there was good agreement among drop absorption times. These findings demonstrated that the portable approach can effectively capture water-related properties on-site, with minimal invasiveness and high reproducibility. The study introduces a validated and statistically supported methodology for on-site wettability and water absorption assessment and emphasizes the influence of biofilm composition on surface water-related properties, contributing to the broader understanding of SAB-induced surface modification.

摘要

虽然传统上局限于实验室环境，但最近的发展使得能够在现场、野外条件下进行水接触角（WCA）测量。本研究对一种传统的台式方法和一种应用于未殖民化和生物殖民化石材表面的便携式仪器进行了比较评估。使用了一种参考非吸收性基材进行方法验证。结果表明，两种方法在非吸收性表面上具有良好的一致性，证实了便携式方法的可靠性。在多孔生物殖民化基材上，两种方法的绝对WCA值不同，但显示出一致的趋势，而液滴吸收时间之间有良好的一致性。这些发现表明，便携式方法能够以最小的侵入性和高再现性有效地现场获取与水相关的特性。该研究引入了一种经过验证且有统计支持的现场润湿性和吸水性评估方法，并强调了生物膜组成对表面与水相关特性的影响，有助于更广泛地理解石材生物劣化引起的表面改性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/ff11f31b5439/gr11.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/d95877f1cfc8/fx1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/08463ed689ff/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/dd0fd985833e/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/08dcffc16656/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/6e14836c4910/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/8d32143c07bc/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/b547a3b115c6/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/31dd0e512602/gr7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/8fbd19e44a26/gr8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/9e86100286c4/gr9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/c737ecb77ce7/gr10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/ff11f31b5439/gr11.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/d95877f1cfc8/fx1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/08463ed689ff/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/dd0fd985833e/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/08dcffc16656/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/6e14836c4910/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/8d32143c07bc/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/b547a3b115c6/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/31dd0e512602/gr7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/8fbd19e44a26/gr8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/9e86100286c4/gr9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/c737ecb77ce7/gr10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/083e/12396026/ff11f31b5439/gr11.jpg

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