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Tian L, Chen C, Gong J, Han Q, Shi Y, Li M, Cheng L, Wang L, Dong B. The Convenience of Polydopamine in Designing SERS Biosensors with a Sustainable Prospect for Medical Application. SENSORS (BASEL, SWITZERLAND) 2023; 23:4641. [PMID: 37430555 PMCID: PMC10223239 DOI: 10.3390/s23104641] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 05/01/2023] [Accepted: 05/04/2023] [Indexed: 07/12/2023]
Abstract
Polydopamine (PDA) is a multifunctional biomimetic material that is friendly to biological organisms and the environment, and surface-enhanced Raman scattering (SERS) sensors have the potential to be reused. Inspired by these two factors, this review summarizes examples of PDA-modified materials at the micron or nanoscale to provide suggestions for designing intelligent and sustainable SERS biosensors that can quickly and accurately monitor disease progression. Undoubtedly, PDA is a kind of double-sided adhesive, introducing various desired metals, Raman signal molecules, recognition components, and diverse sensing platforms to enhance the sensitivity, specificity, repeatability, and practicality of SERS sensors. Particularly, core-shell and chain-like structures could be constructed by PDA facilely, and then combined with microfluidic chips, microarrays, and lateral flow assays to provide excellent references. In addition, PDA membranes with special patterns, and hydrophobic and strong mechanical properties can be used as independent platforms to carry SERS substances. As an organic semiconductor material capable of facilitating charge transfer, PDA may possess the potential for chemical enhancement in SERS. In-depth research on the properties of PDA will be helpful for the development of multi-mode sensing and the integration of diagnosis and treatment.
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Affiliation(s)
- Lulu Tian
- Department of Oral Implantology, School and Hospital of Stomatology, Jilin University, Changchun 130021, China; (L.T.); (J.G.); (Q.H.)
| | - Cong Chen
- Department of Oral Implantology, School and Hospital of Stomatology, Jilin University, Changchun 130021, China; (L.T.); (J.G.); (Q.H.)
| | - Jing Gong
- Department of Oral Implantology, School and Hospital of Stomatology, Jilin University, Changchun 130021, China; (L.T.); (J.G.); (Q.H.)
| | - Qi Han
- Department of Oral Implantology, School and Hospital of Stomatology, Jilin University, Changchun 130021, China; (L.T.); (J.G.); (Q.H.)
| | - Yujia Shi
- Department of Oral Implantology, School and Hospital of Stomatology, Jilin University, Changchun 130021, China; (L.T.); (J.G.); (Q.H.)
| | - Meiqi Li
- Department of Oral Implantology, School and Hospital of Stomatology, Jilin University, Changchun 130021, China; (L.T.); (J.G.); (Q.H.)
| | - Liang Cheng
- Department of Oral Implantology, School and Hospital of Stomatology, Jilin University, Changchun 130021, China; (L.T.); (J.G.); (Q.H.)
| | - Lin Wang
- Department of Oral Implantology, School and Hospital of Stomatology, Jilin University, Changchun 130021, China; (L.T.); (J.G.); (Q.H.)
| | - Biao Dong
- State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130021, China
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Kulakovich O, Scherbovich A, Koktysh I, Melnikova Y, Ramanenka A, Gaponenko S, Maskevich S. Optical and topographic characteristics of silver films deposited from a colloidal solution on polyelectrolytes for IgG-FITC fluorescence analysis. Z PHYS CHEM 2022. [DOI: 10.1515/zpch-2021-3110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Abstract
The optimization of the fluorescence enhancement factor of the IgG-FITC conjugate as an immunofluorescent marker, depending on the optical and topographic parameters of the colloidal silver film on the surface of a polystyrene plate for immunoassay, was carried out for the first time, and the factors effecting the enhancement were identified. By means of time-resolved spectroscopy as well as by detection the relative concentrations of IgG-FITC adsorbed on the solid phase with enzyme-linked immunoassay, it was shown that fluorescence enhancement in the presence of silver nanoparticles is a resonance process associated with plasmon effects. The most important parameters correlating with the fluorescence enhancement factor are the optical density value at the wavelength of excitation and emission of the fluorophore. The maximum enhancement factor of 10.2 times was obtained for Ag films with the highest optical density.
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Affiliation(s)
- Olga Kulakovich
- B.I. Stepanov Institute of Physics, National Academy of Sciences of Belarus , 68-2 Nezaliezhnasci Avenue , 220072 , Minsk , Republic of Belarus
| | - Anastasia Scherbovich
- B.I. Stepanov Institute of Physics, National Academy of Sciences of Belarus , 68-2 Nezaliezhnasci Avenue , 220072 , Minsk , Republic of Belarus
- Belarusian State University, International Sakharov Environmental Institute of BSU , Dolgobrodskaya Str. , Minsk 220070 , Republic of Belarus
| | - Irina Koktysh
- Belarusian State University, International Sakharov Environmental Institute of BSU , Dolgobrodskaya Str. , Minsk 220070 , Republic of Belarus
| | - Yanina Melnikova
- Belarusian State University, International Sakharov Environmental Institute of BSU , Dolgobrodskaya Str. , Minsk 220070 , Republic of Belarus
| | - Andrei Ramanenka
- B.I. Stepanov Institute of Physics, National Academy of Sciences of Belarus , 68-2 Nezaliezhnasci Avenue , 220072 , Minsk , Republic of Belarus
| | - Sergey Gaponenko
- B.I. Stepanov Institute of Physics, National Academy of Sciences of Belarus , 68-2 Nezaliezhnasci Avenue , 220072 , Minsk , Republic of Belarus
| | - Sergey Maskevich
- Belarusian State University, International Sakharov Environmental Institute of BSU , Dolgobrodskaya Str. , Minsk 220070 , Republic of Belarus
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Wang X, Lu A, Bai Z, Xu T. A Multilayer Interlaced Ag Nanosheet Film Prepared by an Electrodeposition Method on a PPy@PEDOT:PSS Film: A Strategy to Prepare Sensitive Surface-Enhanced Raman Scattering Substrates. ACS OMEGA 2022; 7:9380-9387. [PMID: 35350326 PMCID: PMC8945060 DOI: 10.1021/acsomega.1c06387] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 01/28/2022] [Indexed: 06/19/2023]
Abstract
A highly sensitive multilayer interlaced silver (Ag) nanosheet (MISN) film was prepared on a PPy@PEDOT:PSS film via an electrodeposition method for surface-enhanced Raman scattering (SERS) applications. After the PPy@PEDOT:PSS film was pretreated with ascorbic acid solution, many sparse Ag nanoparticles (NPs) could be directly reduced on the surface of the PPy@PEDOT:PSS film in AgNO3 solution. Then, the MISN film was directionally grown along the surface of sparse Ag NPs by using an electrochemical galvanostatic method to form a Ag/PPy@PEDOT:PSS film for a SERS substrate. The results indicated that with the increase in electrodeposition time, the density of Ag nanosheets was also increased for boosting the SERS effect. Accordingly, owing to the directional growth of Ag NPs, the increase in the length-width ratio of single Ag nanosheets would further promote the SERS signal of the substrate. Moreover, the maximum enhancement factor of the SERS substrate could reach to 12,478, and the minimum limit of detection of melamine solution was down to 5.42 ng/mL. The SERS sensitivity of the Ag nanosheet film reached 100.65. This method of preparing the SERS substrate provides a novel and robust strategy for the low-cost and high-sensitivity detection in biomedicine, drugs, and food.
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Affiliation(s)
- Xueqin Wang
- College
of Medicine, Guizhou University, Guiyang City 550025, China
- Guizhou
Province Key Laboratory for Photoelectronic Technology and Application, Guizhou University, Guiyang City 550025, China
| | - Anjiang Lu
- Guizhou
Province Key Laboratory for Photoelectronic Technology and Application, Guizhou University, Guiyang City 550025, China
| | - Zhongchen Bai
- College
of Medicine, Guizhou University, Guiyang City 550025, China
- Guizhou
Province Key Laboratory for Photoelectronic Technology and Application, Guizhou University, Guiyang City 550025, China
| | - Tianwen Xu
- College
of Medicine, Guizhou University, Guiyang City 550025, China
- Guizhou
Province Key Laboratory for Photoelectronic Technology and Application, Guizhou University, Guiyang City 550025, China
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Facile Route to Effective Antimicrobial Aluminum Oxide Layer Realized by Co-Deposition with Silver Nitrate. COATINGS 2021. [DOI: 10.3390/coatings12010028] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The emergence and spreading of the SARS-CoV-2 pandemic has forced the focus of attention on a significant issue: the realization of antimicrobial surfaces for public spaces, which do not require extensive use of disinfectants. Silver represents one of the most used elements in this context, thanks to its excellent biocidal performance. This work describes a simple method for the realization of anodized aluminum layers, whose antimicrobial features are ensured by the co-deposition with silver nitrate. The durability and the chemical resistance of the samples were evaluated by means of several accelerated degradation tests, such as the exposure in a salt spray chamber, the contact with synthetic sweat and the scrub test, highlighting the residual influence of silver in altering the protective behavior of the alumina layers. Furthermore, the ISO 22196:2011 standard was used as the reference protocol to set up an assay to measure the effective antibacterial activity of the alumina-Ag layers against both Gram-positive (Staphylococcus aureus) and Gram-negative (Escherichia coli) bacteria, even at low concentrations of silver. Finally, the Ag-containing aluminum oxide layers exhibited excellent antimicrobial performances also following the chemical–physical degradation processes, ensuring good durability over time of the antimicrobial surfaces. Overall, this work introduces a simple route for the realization of anodized aluminum surfaces with excellent antibacterial properties.
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