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Kim M, Choi YS, Jeong DH. SERS detection of dopamine using metal-chelated Ag nanoshell. RSC Adv 2024; 14:14214-14220. [PMID: 38690106 PMCID: PMC11060141 DOI: 10.1039/d4ra00476k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Accepted: 04/19/2024] [Indexed: 05/02/2024] Open
Abstract
As the concentrations of different neurotransmitters can indicate the presence of certain disorders affecting brain functions, quantitative analyses of neurotransmitters have attracted increasing attention in various fields. Surface-enhanced Raman scattering (SERS) spectroscopy is an outstanding spectroscopic analytical tool that enables detection at the single molecule level with high specificity. As local field enhancement of surface plasmon is effective within nanometers, active interaction between SERS-active noble metals (gold and silver) and analyte molecules enhances the molecular detection capacity of SERS. However, neurotransmitters and noble metal nanoparticles are often not affinitive, because neurotransmitters generally have a hydroxyl group rather than a thiol group. As a result, the interaction between the two typically remains inactive, which makes detection more difficult. To overcome this limitation, in the present work we utilized metal-chelation to attract dopamine, a neurotransmitter molecule, close to the surface of silver nanoparticles. AgNS was capped with poly(vinyl alcohol) (PVA) and sequentially integrated with copper ion to bind dopamine in the form of chelate bonding between dopamine and copper. The PVA linked AgNS and metal ions through a coordinate bond between hydroxyl groups and metal ions. This metal-chelation-functionalized nanoprobe allowed us to stably detect dopamine in aqueous solution at a concentration of less than 10-6 M. Therefore, this method provides a convenient and easy-to-prepare option for the effective detection of dopamine, thus meaning it has the potential to be applied to other neurotransmitters.
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Affiliation(s)
- Mingyeong Kim
- Department of Chemistry Education, Seoul National University Seoul 08826 Republic of Korea
| | - Yun Sik Choi
- Department of Chemistry Education, Seoul National University Seoul 08826 Republic of Korea
| | - Dae Hong Jeong
- Department of Chemistry Education, Seoul National University Seoul 08826 Republic of Korea
- Center for Educational Research, Seoul National University Seoul 08826 Republic of Korea
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Michałowska A, Kudelski A. Plasmonic substrates for biochemical applications of surface-enhanced Raman spectroscopy. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 308:123786. [PMID: 38128327 DOI: 10.1016/j.saa.2023.123786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 12/12/2023] [Accepted: 12/15/2023] [Indexed: 12/23/2023]
Abstract
Due to its great practical importance, the detection and determination of many biomolecules in body fluids and other samples is carried out in a large number of laboratories around the world. One of the most promising analytical techniques now being widely introduced into medical analysis is surface-enhanced Raman scattering (SERS) spectroscopy. SERS is one of the most sensitive analytical methods, and in some cases, a good quality SERS spectrum dominated by the contribution of even a single molecule can be obtained. Highly sensitive SERS measurements can only be carried out on substrates generating a very high SERS enhancement factor and a low Raman spectral background, and so using of right nanomaterials is a key element in the success of SERS biochemical analysis. In this review article, we present progress that has been made in the preparation of nanomaterials used in SERS spectroscopy for detecting various kinds of biomolecules. We describe four groups of nanomaterials used in such measurements: nanoparticles of plasmonic metals and deposits of plasmonic nanoparticles on macroscopic substrates, nanocomposites containing plasmonic and non-plasmonic parts, nanostructured macroscopic plasmonic metals, and nanostructured macroscopic non-plasmonic materials covered by plasmonic films. We also describe selected SERS biochemical analyses that utilize the nanomaterials presented. We hope that this review will be useful for researchers starting work in this fascinating field of science and technology.
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Affiliation(s)
| | - Andrzej Kudelski
- Faculty of Chemistry, University of Warsaw, Pasteura 1 Str., PL 02-093 Warsaw, Poland.
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Parmigiani M, Schifano V, Taglietti A, Galinetto P, Albini B. Increasing gold nanostars SERS response with silver shells: a surface-based seed-growth approach. NANOTECHNOLOGY 2024; 35:195603. [PMID: 38306966 DOI: 10.1088/1361-6528/ad25c9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 02/02/2024] [Indexed: 02/04/2024]
Abstract
A straightforward method to prepare surface enhanced Raman spectroscopy (SERS) chips containing a monolayer of silver coated gold nanostars (GNS@Ag) grafted on a glass surface is introduced. The synthetic approach is based on a seed growth method performed directly on surface, using GNS as seeds, and involving a green pathway, which only uses silver nitate, ascorbic acid and water, to grow the silver shell. The preparation was optimized to maximize signals obtaining a SERS response of one order of magnitude greater than that from the original GNS based chips, offering in the meantime good homogeneity and acceptable reproducibility. The proposed GNS@Ag SERS chips are able to detect pesticide thiram down to 20 ppb.
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Affiliation(s)
- Miriam Parmigiani
- Dipartimento di Chimica, Sezione di Chimica Generale, Università di Pavia, viale Taramelli, 12-I-27100 Pavia-Italy
| | - Veronica Schifano
- Dipartimento di Chimica, Sezione di Chimica Generale, Università di Pavia, viale Taramelli, 12-I-27100 Pavia-Italy
| | - Angelo Taglietti
- Dipartimento di Chimica, Sezione di Chimica Generale, Università di Pavia, viale Taramelli, 12-I-27100 Pavia-Italy
| | - Pietro Galinetto
- Dipartimento di Fisica, Università di Pavia, Via Bassi 6,-I-27100 Pavia-Italy
| | - Benedetta Albini
- Dipartimento di Fisica, Università di Pavia, Via Bassi 6,-I-27100 Pavia-Italy
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Hue DT, Hiep HP. Synthesized uniform-different sizes silver nanoparticles using TSC and SBH simultaneously for antibacterial application. Biomed Phys Eng Express 2024; 10:025016. [PMID: 38237173 DOI: 10.1088/2057-1976/ad201f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 01/18/2024] [Indexed: 01/31/2024]
Abstract
Silver nanoparticles (AgNPs) in the form of nanospheres from a few nm to 100 nm in diameter were synthesized in a controlled manner using a combination of two reducing agents: sodium borohydride (SBH) and trisodium citrate (TSC). The influence of the size of AgNPs on antibacterial activity was investigated with different concentrations of AgNPs on two types of bacteria:Pseudomonas aeruginosa(PA) andStaphylococcus aureusresistant (SA) while the positive control wasAmpicillin (Amp)50μg/ml and the negative control was water. AgNPs were investigated for morphology, size and size distribution using transmission electron microscopy (TEM) and dynamic light scattering (DLS) measurements. The optical properties of the AgNPs were investigated by recording their UV-vis absorption spectra. The antimicrobial activity of AgNPs was determined using the disc diffusion method. The results showed that the antibacterial ability of AgNPs depends on both concentration and particle size. With a particle concentration of 50μg ml-1, the antibacterial ability is the best. The smaller the particle size, the higher the antibacterial ability. The simultaneous use of two reducing agents TSC and SBH is the novelty of the article to synthesize AgNPs particles that are uniform in shape and size while controlling the particle size. On that basis, their antibacterial performance is increased.
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Affiliation(s)
- Do Thi Hue
- Thai Nguyen University of Education, No. 20, Luong Ngoc Quyen Street, Quang Trung Ward, Thai Nguyen City, Vietnam
| | - Hoang Phu Hiep
- Thai Nguyen University of Education, No. 20, Luong Ngoc Quyen Street, Quang Trung Ward, Thai Nguyen City, Vietnam
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Albini B, Galinetto P, Schiavi S, Giulotto E. Food Safety Issues in the Oltrepò Pavese Area: A SERS Sensing Perspective. SENSORS (BASEL, SWITZERLAND) 2023; 23:9015. [PMID: 38005403 PMCID: PMC10674787 DOI: 10.3390/s23229015] [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: 10/05/2023] [Revised: 10/27/2023] [Accepted: 10/30/2023] [Indexed: 11/26/2023]
Abstract
Handly and easy-to-use optical instrumentation is very important for food safety monitoring, as it provides the possibility to assess law and health compliances at every stage of the food chain. In particular, the Surface-enhanced Raman Scattering (SERS) method appears highly promising because the intrinsic drawback of Raman spectroscopy, i.e., the natural weakness of the effect and, in turn, of the signal, is overcome thanks to the peculiar interaction between laser light and plasmonic excitations at the SERS substrate. This fact paved the way for the widespread use of SERS sensing not only for food safety but also for biomedicine, pharmaceutical process analysis, forensic science, cultural heritage and more. However, the current technological maturity of the SERS technique does not find a counterpart in the recognition of SERS as a routine method in compliance protocols. This is mainly due to the very scattered landscape of SERS substrates designed and tailored specifically for the targeted analyte. In fact, a very large variety of SERS substrates were proposed for molecular sensing in different environments and matrices. This review presents the advantages and perspectives of SERS sensing in food safety. The focus of the survey is limited to specific analytes of interest for producers, consumers and stakeholders in Oltrepò Pavese, a definite regional area that is located within the district of Pavia in the northern part of Italy. Our attention has been addressed to (i) glyphosate in rice fields, (ii) histamine in a world-famous local product (wine), (iii) tetracycline, an antibiotic often detected in waste sludges that can be dangerous, for instance in maize crops and (iv) Sudan dyes-used as adulterants-in the production of saffron and other spices, which represent niche crops for Oltrepò. The review aims to highlight the SERS performance for each analyte, with a discussion of the different methods used to prepare SERS substrates and the different reported limits of detection.
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Affiliation(s)
- Benedetta Albini
- Dipartimento di Fisica, Università di Pavia, Via Bassi 6, 27100 Pavia, Italy; (B.A.); (P.G.)
| | - Pietro Galinetto
- Dipartimento di Fisica, Università di Pavia, Via Bassi 6, 27100 Pavia, Italy; (B.A.); (P.G.)
| | - Serena Schiavi
- Dipartimento di Chimica, Università di Pavia, Via Taramelli 12, 27100 Pavia, Italy;
| | - Enrico Giulotto
- Dipartimento di Fisica, Università di Pavia, Via Bassi 6, 27100 Pavia, Italy; (B.A.); (P.G.)
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Mandrekar PP, Kang M, Park I, Kim B, Yang D. Cost-Effective and Facile Fabrication of a Tattoo Paper-Based SERS Substrate and Its Application in Pesticide Sensing on Fruit Surfaces. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:486. [PMID: 36770447 PMCID: PMC9919895 DOI: 10.3390/nano13030486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 01/21/2023] [Accepted: 01/23/2023] [Indexed: 06/18/2023]
Abstract
Surface-enhanced Raman spectroscopy (SERS) has been transformed into a useful analytical technique with significant advantages in relation to sensitive and low-concentration chemical analyses. However, SERS substrates are expensive and the analyte sample preparation is complicated; hence, it is only used in limited areas. We have fabricated a tattoo paper-based SERS substrate by using non-complicated inkjet printing. The sensitivity of the SERS substrate was increased by removing the carbon residues via exposure to ultraviolet light without damaging the substrate. Thus, low concentrations of pesticides (up to 1 μM thiram) were measured. The SERS substrate was attached to the curved surface of an apple to demonstrate its advantages, such as the flexibility and easy attachability of tattoo paper, and its feasibility was verified by measuring 1 μM thiram on the apple's surface. Due to its economic cost, simple usage, and rapid measurement, it will be helpful for the identification of both agricultural adulterants and food adulterants and for water-based pollutant detection. It will also possibly be helpful for medical purposes related to human body surfaces in the future.
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Affiliation(s)
- Pratiksha P. Mandrekar
- Department of Future Convergence Engineering, Kongju National University, Cheonan 31080, Republic of Korea
| | - Mingu Kang
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea
| | - Inkyu Park
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea
| | - Bumjoo Kim
- Department of Future Convergence Engineering, Kongju National University, Cheonan 31080, Republic of Korea
- Department of Mechanical and Automotive Engineering, Kongju National University, Cheonan 31080, Republic of Korea
| | - Daejong Yang
- Department of Future Convergence Engineering, Kongju National University, Cheonan 31080, Republic of Korea
- Department of Mechanical and Automotive Engineering, Kongju National University, Cheonan 31080, Republic of Korea
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Rajamanikandan R, Sasikumar K, Kosame S, Ju H. Optical Sensing of Toxic Cyanide Anions Using Noble Metal Nanomaterials. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13020290. [PMID: 36678042 PMCID: PMC9863761 DOI: 10.3390/nano13020290] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/05/2023] [Accepted: 01/05/2023] [Indexed: 06/12/2023]
Abstract
Water toxicity, one of the major concerns for ecosystems and the health of humanity, is usually attributed to inorganic anions-induced contamination. Particularly, cyanide ions are considered one of the most harmful elements required to be monitored in water. The need for cyanide sensing and monitoring has tempted the development of sensing technologies without highly sophisticated instruments or highly skilled operations for the objective of in-situ monitoring. Recent decades have witnessed the growth of noble metal nanomaterials-based sensors for detecting cyanide ions quantitatively as nanoscience and nanotechnologies advance to allow nanoscale-inherent physicochemical properties to be exploited for sensing performance. Particularly, noble metal nanostructure e-based optical sensors have permitted cyanide ions of nanomolar levels, or even lower, to be detectable. This capability lends itself to analytical application in the quantitative detection of harmful elements in environmental water samples. This review covers the noble metal nanomaterials-based sensors for cyanide ions detection developed in a variety of approaches, such as those based on colorimetry, fluorescence, Rayleigh scattering (RS), and surface-enhanced Raman scattering (SERS). Additionally, major challenges associated with these nano-platforms are also addressed, while future perspectives are given with directions towards resolving these issues.
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