SERS substrates fabricated using ceramic filters for the detection of bacteria

Mosier‐Boss, P. A.; Sørensen, Kirsten; George, Robert D.; Obraztsova, Anna

doi:10.1016/j.saa.2015.09.012

Cited by 40 publications

(27 citation statements)

References 21 publications

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“…These membranes have a uniform, capillary pore structure; are rigid; and exhibit a Raman spectrum that does not show any significant peaks [74]. One approach to making SERS substrates is to coat the porous filters with silver metal by vacuum disposition [73].…”

Section: Resultsmentioning

confidence: 99%

Review of SERS Substrates for Chemical Sensing

2017

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The SERS effect was initially discovered in the 1970s. Early research focused on understanding the phenomenon and increasing enhancement to achieve single molecule detection. From the mid-1980s to early 1990s, research started to move away from obtaining a fundamental understanding of the phenomenon to the exploration of analytical applications. At the same time, significant developments occurred in the field of photonics that led to the advent of inexpensive, robust, compact, field-deployable Raman systems. The 1990s also saw rapid development in nanoscience. This convergence of technologies (photonics and nanoscience) has led to accelerated development of SERS substrates to detect a wide range of chemical and biological analytes. It would be a monumental task to discuss all the different kinds of SERS substrates that have been explored. Likewise, it would be impossible to discuss the use of SERS for both chemical and biological detection. Instead, a review of the most common metallic (Ag, Cu, and Au) SERS substrates for chemical detection only is discussed, as well as SERS substrates that are commercially available. Other issues with SERS for chemical detection have been selectivity, reversibility, and reusability of the substrates. How these issues have been addressed is also discussed in this review.

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Section: Resultsmentioning

confidence: 99%

Review of SERS Substrates for Chemical Sensing

2017

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“…Membrane filters can provide support structures for SERS‐active nanoparticles. SERS‐active filters have been developed by immobilizing Ag or AuNPs on ceramic, bacterial nanocellulose (BNC), and mesoporous silica for the direct (nonlabeled) detection of bacteria. Regardless of the membrane composition, filter‐based approaches enable rapid concentration of target cells in samples with high water content, such as bacterial suspensions.…”

Section: Overview Of Sers‐active Nanomaterials For Bacterial Detectionmentioning

confidence: 99%

Surface‐Enhanced Raman Scattering for Rapid Detection and Characterization of Antibiotic‐Resistant Bacteria

Galvan

2018

Adv Healthcare Materials

105

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As the prevalence of antibiotic-resistant bacteria continues to rise, biosensing technologies are needed to enable rapid diagnosis of bacterial infections. Furthermore, understanding the unique biochemistry of resistance mechanisms can facilitate the development of next generation therapeutics. Surface-enhanced Raman scattering (SERS) offers a potential solution to real-time diagnostic technologies, as well as a route to fundamental, mechanistic studies. In the current review, SERS-based approaches to the detection and characterization of antibiotic-resistant bacteria are covered. The commonly used nanomaterials (nanoparticles and nanostructured surfaces) and surface modifications (antibodies, aptamers, reporters, etc.) for SERS bacterial detection and differentiation are discussed first, and followed by a review of SERS-based detection of antibiotic-resistant bacteria from environmental/food processing and clinical sources. Antibiotic susceptibility testing and minimum inhibitory concentration testing with SERS are then summarized. Finally, recent developments of SERS-based chemical imaging/mapping of bacteria are reviewed.

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“…These advantages favor the use of SERS for detection of different contaminants, such as antibiotics, bacteria, explosive materials, synthetic food colorants, pesticides, and others . Nanoparticles of gold and silver are typical active supports for the SERS due to their superior physical/chemical properties (plasmonic surface effects) and simple fabrication .…”

Section: Introductionmentioning

confidence: 99%

“…SERS technique is based on strong enhancement of Raman scattering from a rough metal surface, providing the characteristic "fingerprint" of desirable substances with high degree of sensitivity at ultralow concentration. 7,8 These advantages favor the use of SERS for detection of different contaminants, such as antibiotics, 8 bacteria, 9,10 explosive materials, 11 synthetic food colorants, 12,13 pesticides, 14 and others. 15 Nanoparticles of gold and silver are typical active supports for the SERS 8,16 due to their superior physical/chemical properties (plasmonic surface effects) and simple fabrication.…”

Section: Introductionmentioning

confidence: 99%

Silver‐based surface enhanced Raman spectroscopy devices for detection of organophosphorus pesticides traces

Soares

2019

Biotechnology Progress

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The detection of traces of substances by surface‐sensitive techniques such as surface enhanced Raman spectroscopy (SERS) explores the interaction of adsorbed molecules on plasmonic surfaces to improve the limit of detection of analytes. This article is an overview about recent development in SERS substrates applied in the detection of organophosphorus pesticides on plasmonic surfaces (arrays of metal nanoparticles). The morphology, roughness, chemical functionalization degree, and aggregation level of plasmonic centers are some of the critical parameters to be controlled in the optimization of SERS signal from specific analytes.

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SERS substrates fabricated using ceramic filters for the detection of bacteria

Cited by 40 publications

References 21 publications

Review of SERS Substrates for Chemical Sensing

Review of SERS Substrates for Chemical Sensing

Surface‐Enhanced Raman Scattering for Rapid Detection and Characterization of Antibiotic‐Resistant Bacteria

Silver‐based surface enhanced Raman spectroscopy devices for detection of organophosphorus pesticides traces

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