Combining surface-accessible Ag and Au colloidal nanomaterials with SERS for in situ analysis of molecule-metal interactions in complex solution environments

Review Chemistry, Multidisciplinary

Chemical and Physical Properties of Photonic Noble-Metal Nanomaterials

Yi-Yu Cai et al.

Summary: Colloidal noble metal nanoparticles can be assembled into different forms of artificial metamolecules and materials with tunable optical properties, allowing manipulation of light transmission and reflection.

ADVANCED MATERIALS (2023)

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Article Chemistry, Physical

Bifunctional porous SnO2/Ag nanofibers for efficient electroreduction of carbon dioxide to formate and its mechanism elucidation by in-situ surface-enhanced Raman scattering

Junjie Chen et al.

Summary: Monitoring reaction intermediates and identifying active sites is crucial for understanding mechanisms and designing catalysts. In this study, bifunctional porous SnO2/Ag nanofibers were prepared, showing high Faradaic efficiency for formate production. In-situ SERS spectra revealed that reduced tin-oxide served as the active site, and a key intermediate for formate production was detected. The correlation between material composition, chemical structure, and catalytic performance was established.

APPLIED CATALYSIS B-ENVIRONMENTAL (2023)

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Article Chemistry, Multidisciplinary

A new semiconductor-based SERS substrate with enhanced charge collection and improved carrier separation: CuO/TiO2 p-n heterojunction

Dongxue Yu et al.

Summary: In this study, CuO/TiO2 p-n heterojunction was developed as a new substrate for surface enhanced Raman scattering (SERS) to amplify the Raman signal of 4-mercaptobenzoic acid (4-MBA) molecule. The heterojunction-molecule system exhibits enhanced SERS performance due to the electron injection from CuO to TiO2 and improved photogenerated carrier separation efficiency through interfacial coupling. The substrate demonstrates excellent SERS detection sensitivity towards 4-MBA with a low detection limit and high enhancement factor.

CHINESE CHEMICAL LETTERS (2023)

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Article Biophysics

Self-assembled plasmonic nanoarrays for enhanced bacterial identification and discrimination

Tongtong Tian et al.

Summary: This study presents the development of highly efficient nanoparticle arrays for simultaneous capture, identification, and differentiation of bacteria using SERS technology, allowing for single-cell analysis of multiple bacterial species. The technology demonstrates high sensitivity, good reproducibility, and stability, with great potential in bacterial detection and phenotyping studies.

BIOSENSORS & BIOELECTRONICS (2022)

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Review Chemistry, Analytical

SERS biosensors based on cucurbituril-mediated nanoaggregates for wastewater-based epidemiology

Weng-I Katherine Chio et al.

Summary: The article introduces the fabrication of surface-enhanced Raman spectroscopy (SERS) sensors through the hierarchical self-assembly of nanoparticles mediated by cucurbiturils (CBs), and discusses their potential applications in biosensing and environmental monitoring.

TRAC-TRENDS IN ANALYTICAL CHEMISTRY (2022)

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Article Chemistry, Multidisciplinary

Direct and Simultaneous Identification of Multiple Mitochondrial Reactive Oxygen Species in Living Cells Using a SERS Borrowing Strategy

Shichao Lin et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2022)

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Article Chemistry, Physical

Fabrication of porous noble metal nanoparticles based on laser ablation toward water and dealloying for biosensing

Zhilun Yang et al.

Summary: The fabrication strategy using laser ablation toward water (LATW) combined with dealloying was developed for easy preparation of porous noble metal NPs, especially porous gold NPs (pAu NPs) and porous platinum NPs (pPt NPs) for biosensing applications. These porous noble metal NPs showed excellent performance in various sensing applications such as SERS detection and electrochemical sensing.

APPLIED SURFACE SCIENCE (2022)

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Article Chemistry, Physical

Single-walled carbon nanotube based SERS substrate with single molecule sensitivity

Chenmaya Xia et al.

Summary: SWNTs can be used to construct reusable SERS substrates with single molecule sensitivity and preservation of intrinsic properties, utilizing polyhedral gold nanocrystals to create effective hot spots. Using SWNTs to build SERS substrates may become a powerful strategy in various single molecule studies.

NANO RESEARCH (2022)

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Article Chemistry, Multidisciplinary

In Situ Monitoring of Palladium-Catalyzed Chemical Reactions byNanogap-Enhanced Raman Scattering using Single Pd Cube Dimers

Dan Wang et al.

Summary: The central dilemma in label-free in situ surface-enhanced Raman scattering (SERS) for monitoring of heterogeneously catalyzed reactions is the need of plasmonically active nanostructures for signal enhancement. By assembling catalytically active transition-metal nanoparticles into dimers, their plasmonic activity is significantly enhanced, enabling in situ SERS monitoring of various important heterogeneously catalyzed reactions.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

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Article Chemistry, Organic

Supramolecular metallacycle-assisted interfacial self-assembly: A promising method of fabricating gold nanoparticle monolayers with precise interparticle spacing for tunable SERS activity

Gui-Yuan Wu et al.

Summary: A facial approach for the self-assembly of Au NP at the water-oil interface into a largescale well-ordered monolayer film is reported. The interparticle spacings and transferability of the film can be precisely controlled. The as-prepared monolayer film exhibits amphiphilic nature and can be used as a SERS substrate.

TETRAHEDRON LETTERS (2022)

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Article Engineering, Environmental

Potential application of Au core labeling for tracking Ag nanoparticles in the aquatic and biological system

Dingyuan Liang et al.

Summary: The increasing presence of silver nanoparticles (Ag NPs) in natural environments poses challenges for tracking and quantifying them. Labeled Ag NPs with gold cores (Au@Ag NPs) provide new opportunities for monitoring Ag NPs, but the conditions of exposure and test organisms need careful assessment.

WATER RESEARCH (2022)

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Article Chemistry, Multidisciplinary

Uncovering strong p-metal interactions on Ag and Au nanosurfaces under ambient conditions via in situ surface-enhanced Raman spectroscopy

Chunchun Li et al.

Summary: This study demonstrates the direct probing of p-metal interactions under ambient conditions using surface-enhanced Raman spectroscopy (SERS). The findings of this long-neglected interaction have significant implications for various applications.

CHEM (2022)

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Article Chemistry, Multidisciplinary

Pattern Recognition Directed Assembly of Plasmonic Gap Nanostructures for Single- Molecule SERS

Renjie Niu et al.

Summary: A DNA origami-directed pattern recognition strategy is utilized to assemble AuNCs into shape-controllable PGNs, creating localized field enhancement in gaps to generate hot spots for stronger single-molecule SERS signals.

ACS NANO (2022)

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Article Chemistry, Analytical

Trace-level detection and classifications of pentaerythritol tetranitrate via geometrically optimized film-based Au/ZnO SERS sensors

Sukon Kalasung et al.

Summary: This study explored the scalable, multi-batch fabrication process of Au-decorated ZnO nanorod SERS sensors and analyzed their physical morphologies and material compositions. Through simulations and experiments, the sensor showed good performance in the detection and classification of PETN substances.

SENSORS AND ACTUATORS B-CHEMICAL (2022)

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Article Nanoscience & Nanotechnology

sr-Conjugated Small Organic Molecule-Modified 2D MoS2 with a Charge-Localization Effect Enabling Direct and Sensitive SERS Detection

Mei Liu et al.

ACS APPLIED MATERIALS & INTERFACES (2022)

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Article Chemistry, Analytical

Aluminum Plasmonic Nanoclusters for Paper-Based Surface- Enhanced Raman Spectroscopy

Yu-Ling Chang et al.

Summary: This paper introduces an inexpensive aluminum nanoparticle-decorated paper as a facile SERS-based detection platform, which provides high sensitivity and excellent reproducibility for detecting various analytes. The platform is applicable for on-site detection in food inspection and environmental monitoring.

ANALYTICAL CHEMISTRY (2022)

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Article Chemistry, Multidisciplinary

Elucidating electrochemical CO2 reduction reaction processes on Cu(hkl) single-crystal surfaces by in situ Raman spectroscopy

Yu Zhao et al.

Summary: In this study, in situ Raman spectroscopy was used to identify CO2RR intermediates on Cu(hkl) surfaces and reveal different reaction pathways and selectivity on Cu(111) and Cu(110) surfaces. High KHCO3 concentrations promote the formation of *C-2 products.

ENERGY & ENVIRONMENTAL SCIENCE (2022)

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Article Chemistry, Multidisciplinary

Surfactant-free Synthesis of Spiky Hollow Ag-Au Nanostars with Chemically Exposed Surfaces for Enhanced Catalysis and Single-Particle SERS

Ziwei Ye et al.

Summary: A surfactant-free synthesis method for producing spiky hollow gold-silver nanostars with high plasmonic and catalytic activity has been reported. These nanostars have significantly enhanced functionality compared to their surfactant-capped counterparts, and can be stabilized using a weakly bound stabilizing agent for single-particle SERS applications.

JACS AU (2022)

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Review Chemistry, Multidisciplinary

Cucurbiturils-Mediated Noble Metal Nanoparticles for Applications in Sensing, SERS, Theranostics, and Catalysis

Li-Li Tan et al.

Summary: The combination of noble metal nanoparticles and cucurbiturils is a current research hotspot, which can integrate the advantages of both components and has a wide range of applications.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Spectroscopy

Superhydrophobic needles tipped with 2-dimensional arrays of plasmonic colloidal nanoparticles for microdroplet SERS analysis

Chunchun Li et al.

Summary: The study shows that by adsorbing nanoparticles onto the hydrophilic tips of metallic needles, a dual enhancement of Raman signals from microdroplets of low concentration analytes can be achieved. This method allows the detection of extremely low total amounts of analytes.

JOURNAL OF RAMAN SPECTROSCOPY (2021)

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Article Chemistry, Multidisciplinary

Spectroscopic Verification of Adsorbed Hydroxy Intermediates in the Bifunctional Mechanism of the Hydrogen Oxidation Reaction

Yao-Hui Wang et al.

Summary: This study investigated the hydrogen oxidation reaction (HOR) mechanisms in alkaline conditions on PtNi alloy and Pt surfaces using in situ electrochemical surface-enhanced Raman spectroscopy (SERS) and DFT. The results showed that Ni doping promoted hydroxy adsorption on the platinum-alloy surface, enhancing the HOR activity. Designing bifunctional catalysts to tune OH adsorption could be an efficient method for improving HOR activity in anion-exchange-membrane fuel cells.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Multidisciplinary

Molecular Insight of the Critical Role of Ni in Pt-Based Nanocatalysts for Improving the Oxygen Reduction Reaction Probed Using an In Situ SERS Borrowing Strategy

Huajie Ze et al.

Summary: PtNi alloy catalysts have excellent catalytic activity, with Ni-doping improving performance, but there is no direct spectral evidence detecting the effect of Ni on the ORR. By using a surface-enhanced Raman spectroscopic (SERS) borrowing strategy, the interaction between Ni and *OOH in PtNi catalysts can be studied, showing that Ni can optimize the surface binding of *OOH on Pt for more efficient electron transfer during the ORR.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

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Article Food Science & Technology

Advances in flexible surface-enhanced Raman scattering (SERS) substrates for nondestructive food detection: Fundamentals and recent applications

Daorui Zhang et al.

Summary: Flexible SERS substrates, as a promising technology, have great potential in food safety analysis by providing easy sampling and new possibilities for detecting contaminants on food surfaces.

TRENDS IN FOOD SCIENCE & TECHNOLOGY (2021)

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Article Chemistry, Physical

Local hot charge density regulation: Vibration-free pyroelectric nanogenerator for effectively enhancing catalysis and in-situ surface enhanced Raman scattering monitoring

Chonghui Li et al.

Summary: The study introduces a pyroelectric nanogenerator designed for in-situ monitoring of chemical reactions by absorbing optical energy as a SERS substrate. By coupling pyroelectric and plasmonic effects, the electric field can effectively tune the charge density and enhance the SERS signals to efficiently drive catalytic processes, promoting energy conservation and environmental protection.

NANO ENERGY (2021)

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Article Chemistry, Physical

Understanding the Impact of Sulfur Poisoning on the Methane-Reforming Activity of a Solid Oxide Fuel Cell Anode

Jun Hyuk Kim et al.

Summary: This study reveals two different configurations of CO reformates on the Ni-YSZ surface during steam methane-reforming (SMR) processes, and the accumulation of S-S bonds at the sulfur-contaminated solid-gas interface significantly hinders the subsequent methane-reforming process. Identification of the key steps responsible for sulfur poisoning is vital for developing effective strategies to minimize the impact of sulfur on robust SOFC operations.

ACS CATALYSIS (2021)

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Article Chemistry, Multidisciplinary

Sub-Second Time-Resolved Surface-Enhanced Raman Spectroscopy Reveals Dynamic CO Intermediates during Electrochemical CO2 Reduction on Copper

Hongyu An et al.

Summary: The study successfully monitored the process of carbon dioxide reduction to hydrocarbons using time-resolved Raman spectroscopy, and found that anodic treatment and surface oxide reduction of the copper electrode can improve CO2RR efficiency and time resolution.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Multidisciplinary

A Simple and Ligand-Free Synthesis of Light and Durable Metal-TiO2 Polymer Films with Enhanced Photocatalytic Properties

Xinyuan Li et al.

Summary: The photocatalytic efficiency of TiO2 can be enhanced by using metal nanoparticles as co-catalysts to suppress electron-hole pair recombination. An intimate contact between the metal and TiO2 surface is crucial for the preparation of these systems. The lightweight TiO2 films produced through this method show significantly improved catalytic activity compared to commercial TiO2 glass, and the process allows for the controlled synthesis of high-performance metal-semiconductor hybrid photocatalysts.

ADVANCED MATERIALS INTERFACES (2021)

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Article Chemistry, Physical

Solid Electrolyte Interphase Instability in Operating Lithium-Ion Batteries Unraveled by Enhanced-Raman Spectroscopy

Antonin Gajan et al.

Summary: The study found that by optimizing operational conditions and designing near-infrared active amplifiers, it is possible to track the dynamic changes in composition of the electrode/electrolyte interface in lithium-sodium ion batteries, uncovering the source of irreversible capacity in tin electrodes.

ACS ENERGY LETTERS (2021)

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Article Chemistry, Analytical

In Situ SERS Monitoring of the Plasmon-Driven Catalytic Reaction by Using Single Ag@Au Nanowires as Substrates

Yanyan Zhu et al.

Summary: Single Ag@AuNWs exhibit high SERS activity and catalytic activity in situ monitoring, serving as a good platform for SERS applications with high sensitivity, stability, and reproducibility.

ANALYTICAL CHEMISTRY (2021)

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Article Chemistry, Physical

Determining the Molecular Orientation on the Metal Nanoparticle Surface through Surface-Enhanced Raman Spectroscopy and Density Functional Theory Simulations

Baris Akbali et al.

Summary: This study demonstrates the efficacy of surface-enhanced Raman spectroscopy (SERS) measurements as a probe for molecular orientation, revealing the horizontal orientation of 4-aminobenzoic acid (PABA) molecules on silver nanoparticle surfaces. The strong molecule-metal interaction is supported by an abnormal enhanced SERS band appearing at 980 cm(-1), indicating a deeper understanding of molecular orientation on metal nanoparticle surfaces through SERS.

JOURNAL OF PHYSICAL CHEMISTRY C (2021)

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Article Chemistry, Physical

Influence of Stabilizers on the Performance of Au/TiO2 Catalysts for CO Oxidation

Nating Yang et al.

Summary: Stabilizers play a crucial role in synthesizing nanocrystals with well-defined morphologies and size distributions, but different stabilizers can significantly affect the catalytic activity of supported metal nanoparticles. The interaction between stabilizers and metal species may influence the electronic properties of the catalyst, leading to differences in catalytic performance.

ACS CATALYSIS (2021)

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Review Chemistry, Physical

Rational Component and Structure Design of Noble-Metal Composites for Optical and Catalytic Applications

Xiaojun Zeng et al.

Summary: Significant efforts have been made to develop noble-metal nanomaterials with good activity, high durability, and appropriate selectivity while maintaining low cost. Strategies such as optimizing components and fine-tuning structures have been explored to enable the fabrication of unique noble-metal nanostructures with lower loading and higher stability. Challenges and prospects in this rapidly developing field are also discussed.

SMALL STRUCTURES (2021)

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Article Chemistry, Inorganic & Nuclear

Fabrication of highly stable platinum organosols over DNA-scaffolds for enriched catalytic and SERS applications

Ragunath Madhu et al.

Summary: The use of stable metallic Pt nanoparticles anchored on bio-scaffold DNA has shown promising results in catalytic and SERS studies in organic media. Specifically, Pt@DNA (0.05 M) exhibited higher catalytic activity and SERS enhancement in two different applications.

DALTON TRANSACTIONS (2021)

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Article Chemistry, Analytical

Filter paper based SERS substrate for the direct detection of analytes in complex matrices

Harmke S. Siebe et al.

Summary: The study presents a simple and scalable spray-deposition technique for fabricating SERS-active paper substrates, combining filtration and enhancement in a single material. These paper substrates show high activity in detecting model analytes and effectively filter interfering particles, enabling SERS detection at nanogram levels without sample pre-treatment.

ANALYST (2021)

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Review Chemistry, Multidisciplinary

Self-assembly of colloidal nanoparticles into 2D arrays at water-oil interfaces: rational construction of stable SERS substrates with accessible enhancing surfaces and tailored plasmonic response

Ziwei Ye et al.

Summary: Self-assembly of plasmonic nanoparticles at water-oil interfaces is a cost-effective and efficient method for creating highly plasmonically active materials, which can be used for strong SERS enhancement. Various methods have been developed to induce self-assembly and fine-tune surface chemistry, but only some are compatible with SERS research, where ensuring unimpeded access of target molecules to the active surface is crucial.

NANOSCALE (2021)

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Review Chemistry, Multidisciplinary

Chemical sensing with Au and Ag nanoparticles

Veronica Montes-Garcia et al.

Summary: Noble metal nanoparticles are ideal materials for sensor fabrication, enabling high sensitivity and selectivity, and can be used for environmental and health monitoring.

CHEMICAL SOCIETY REVIEWS (2021)

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Article Chemistry, Physical

Enhanced Bonding of Pentagon-Heptagon Defects in Graphene to Metal Surfaces: Insights from the Adsorption of Azulene and Naphthalene to Pt(111)

Benedikt P. Klein et al.

CHEMISTRY OF MATERIALS (2020)

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Article Chemistry, Physical

Key Role of Direct Adsorption on SERS Sensitivity: Synergistic Effect among Target, Aggregating Agent, and Surface with Au or Ag Colloid as Surface-Enhanced Raman Spectroscopy Substrate

Lifang Xie et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2020)

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Article Chemistry, Analytical

Label-Free SERS Strategy for In Situ Monitoring and Real-Time Imaging of Aβ Aggregation Process in Live Neurons and Brain Tissues

Yan Zhou et al.

ANALYTICAL CHEMISTRY (2020)

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Article Chemistry, Physical

Direct Operando Observation of Double Layer Charging and Early Solid Electrolyte Interphase Formation in Li-Ion Battery Electrolytes

Nataliia Mozhzhukhina et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2020)

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Article Chemistry, Physical

Aggregation induced, formaldehyde tailored nanowire like networks of Cu and their SERS activity

K. Athira et al.

CHEMICAL PHYSICS LETTERS (2020)

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Article Chemistry, Multidisciplinary

Synthesis of a Gold-Metal Oxide Core-Satellite Nanostructure for In Situ SERS Study of CuO-Catalyzed Photooxidation

Kaifu Zhang et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Article Chemistry, Multidisciplinary

Unexpected Dual Action of Cetyltrimethylammonium Bromide (CTAB) in the Self-Assembly of Colloidal Nanoparticles at Liquid-Liquid Interfaces

Chunchun Li et al.

ADVANCED MATERIALS INTERFACES (2020)

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Review Chemistry, Multidisciplinary

Optical Properties and Applications of Plasmonic-Metal Nanoparticles

Lu Wang et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

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Review Physics, Applied

Fundamental understanding and applications of plasmon-enhanced Raman spectroscopy

Xiang Wang et al.

NATURE REVIEWS PHYSICS (2020)

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Article Materials Science, Multidisciplinary

A one-pot method for building colloidal nanoparticles into bulk dry powders with nanoscale magnetic, plasmonic and catalytic functionalities

Ziwei Ye et al.

APPLIED MATERIALS TODAY (2019)

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Article Biochemical Research Methods

Self-assembly and characterization of 2D plasmene nanosheets

Dashen Dong et al.

NATURE PROTOCOLS (2019)

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Article Chemistry, Multidisciplinary

Ultra-Stable Plasmonic Colloidal Aggregates for Accurate and Reproducible Quantitative SE(R)RS in Protein-Rich Biomedia

Ziwei Ye et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2019)

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Article Chemistry, Analytical

Exploiting the chemical differences between Ag and Au colloids allows dramatically improved SERS detection of non-adsorbing molecules

Ziwei Ye et al.

ANALYST (2019)

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Article Chemistry, Physical

Light-Controlled Shrinkage of Large-Area Gold Nanoparticle Monolayer Film for Tunable SERS Activity

Xuefei Lu et al.

CHEMISTRY OF MATERIALS (2018)

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Article Chemistry, Multidisciplinary

Surface-Enhanced Raman Spectroscopy for the Detection of a Metabolic Product in the Headspace Above Live Bacterial Cultures

Jessica Kelly et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2018)

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Article Materials Science, Multidisciplinary

Pressing solids directly into sheets of plasmonic nanojunctions enables solvent-free surface-enhanced Raman spectroscopy

Yikai Xu et al.

APPLIED MATERIALS TODAY (2018)

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Article Chemistry, Multidisciplinary

Rapid One-Pot Preparation of Large Freestanding Nanoparticle-Polymer Films

Yikai Xu et al.

SMALL (2017)

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Article Chemistry, Physical

Quantitative surface-enhanced Raman spectroscopy of single bases in oligodeoxynucleotides

S. Dick et al.

FARADAY DISCUSSIONS (2017)

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Article Chemistry, Multidisciplinary

Supramolecular Low-Molecular-Weight Hydrogelator Stabilization of SERS-Active Aggregated Nanoparticles for Solution and Gas Sensing

Tjalling R. Canrinus et al.

LANGMUIR (2017)

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Article Chemistry, Physical

A Ligand-Exchange Route to Nobel Metal Nanocrystals with a Clean Surface for Enhanced Optical and Catalytic Properties

Qikui Fan et al.

PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION (2017)

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Article Chemistry, Physical

Quantitative surface-enhanced Raman spectroscopy of single bases in oligodeoxynucleotides

S. Dick et al.

FARADAY DISCUSSIONS (2017)

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Article Chemistry, Multidisciplinary

SERS and SERRS Detection of the DNA Lesion 8-Nitroguanine: A Self-Labeling Modification

Susan Dick et al.

CHEMISTRY-A EUROPEAN JOURNAL (2017)

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Article Chemistry, Analytical

Investigation of the chemical origin and evidential value of differences in the SERS spectra of blue gel inks

Yen Cheng Ho et al.

ANALYST (2016)

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Article Chemistry, Multidisciplinary

SERS of meso-droplets supported on superhydrophobic wires allows exquisitely sensitive detection of dipicolinic acid, an anthrax biomarker, considerably below the infective close

Melody Cheung et al.

CHEMICAL COMMUNICATIONS (2016)

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Article Chemistry, Multidisciplinary

Surface-enhanced Raman spectroscopy of novel psychoactive substances using polymer-stabilized Ag nanoparticle aggregates

W. W. Y. Lee et al.

CHEMICAL COMMUNICATIONS (2016)

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Article Spectroscopy

A facile method for the synthesis of large-size Ag nanoparticles as efficient SERS substrates

Yang Zhao et al.

JOURNAL OF RAMAN SPECTROSCOPY (2016)

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Article Chemistry, Multidisciplinary

A Method for Promoting Assembly of Metallic and Nonmetallic Nanoparticles into Interfacial Monolayer Films

Yikai Xu et al.

NANO LETTERS (2016)

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Article Chemistry, Analytical

Capping Agent-Free Gold Nanostars Show Greatly Increased Versatility and Sensitivity for Biosensing

Debrina Jana et al.

ANALYTICAL CHEMISTRY (2015)

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Article Chemistry, Analytical

Preaggregated Ag Nanoparticles in Dry Swellable Gel Films for Off-the-Shelf Surface-Enhanced Raman Spectroscopy

Wendy W. Y. Lee et al.

ANALYTICAL CHEMISTRY (2014)

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Article Chemistry, Multidisciplinary

Citrate-Stabilized Gold Nanorods

Jonathan G. Mehtala et al.

LANGMUIR (2014)

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Article Chemistry, Analytical

Stable and Uniform SERS Signals from Self-Assembled Two-Dimensional Interfacial Arrays of Optically Coupled Ag Nanoparticles

Magdalena P. Konrad et al.

ANALYTICAL CHEMISTRY (2013)

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Article Chemistry, Physical

Self-assembled nanoparticle arrays for multiphase trace analyte detection

Michael P. Cecchini et al.

NATURE MATERIALS (2013)

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Article Chemistry, Multidisciplinary

Controlling Assembly of Mixed Thiol Mono layers on Silver Nanoparticles to Tune Their Surface Properties

Alan Stewart et al.

ACS NANO (2012)

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Article Chemistry, Multidisciplinary

Label-Free Detection of Nanomolar Unmodified Single- and Double-Stranded DNA by Using Surface-Enhanced Raman Spectroscopy on Ag and Au Colloids

Evanthia Papadopoulou et al.

CHEMISTRY-A EUROPEAN JOURNAL (2012)

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Article Nanoscience & Nanotechnology

Gold nanostars: surfactant-free synthesis, 3D modelling, and two-photon photoluminescence imaging

Hsiangkuo Yuan et al.

NANOTECHNOLOGY (2012)

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Article Chemistry, Multidisciplinary

Label-Free Detection of Single-Base Mismatches in DNA by Surface-Enhanced Raman Spectroscopy

Evanthia Papadopoulou et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2011)

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Article Chemistry, Multidisciplinary

Modification of Ag nanoparticles with mixed thiols for improved SERS detection of poorly adsorbing target molecules: detection of MDMA

Alan Stewart et al.

CHEMICAL COMMUNICATIONS (2011)

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Article Chemistry, Multidisciplinary

DNA reorientation on Au nanoparticles: label-free detection of hybridization by surface enhanced Raman spectroscopy

Evanthia Papadopoulou et al.

CHEMICAL COMMUNICATIONS (2011)

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Article Chemistry, Physical

Surface-Enhanced Raman Evidence of Protonation, Reorientation, and Ag+ Complexation of Deoxyadenosine and Deoxyadenosine-5′-Monophosphate (dAMP) on Ag and Au Surfaces

Evanthia Papadopoulou et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2011)

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Article Chemistry, Multidisciplinary

Kinetically Controlled Seeded Growth Synthesis of Citrate-Stabilized Gold Nanoparticles of up to 200 nm: Size Focusing versus Ostwald Ripening

Neus G. Bastus et al.

LANGMUIR (2011)

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Article Chemistry, Analytical

Surface enhanced Raman evidence for Ag+ complexes of adenine, deoxyadenosine and 5 '-dAMP formed in silver colloids

Evanthia Papadopoulou et al.

ANALYST (2010)

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Article Chemistry, Physical

Structure of Adenine on Metal Nanoparticles: pH Equilibria and Formation of Ag+ Complexes Detected by Surface-Enhanced Raman Spectroscopy

Evanthia Papadopoulou et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2010)

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Article Chemistry, Physical

SERS enhancement by aggregated Au colloids: effect of particle size

Steven E. J. Bell et al.

PHYSICAL CHEMISTRY CHEMICAL PHYSICS (2009)

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Article Chemistry, Multidisciplinary

Surface-enhanced Raman spectroscopy (SERS) for sub-micromolar detection of DNA/RNA mononucleotides

Steven E. J. Bell et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2006)

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Article Chemistry, Physical

Understanding the self-assembly of charged nanoparticles at the water/oil interface

Francois Reincke et al.

PHYSICAL CHEMISTRY CHEMICAL PHYSICS (2006)

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Article Chemistry, Physical

Surface-enhanced Raman spectroscopy as a probe of competitive binding by anions to citrate-reduced silver colloids

SEJ Bell et al.

JOURNAL OF PHYSICAL CHEMISTRY A (2005)

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Article Chemistry, Analytical

Rapid, quantitative analysis of ppm/ppb nicotine using surface-enhanced Raman scattering from polymer-encapsulated Ag nanoparticles (gel-colls)

SEJ Bell et al.

ANALYST (2004)

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Article Chemistry, Analytical

Disposable, stable media for reproducible surface-enhanced Raman spectroscopy

SEJ Bell et al.

ANALYST (2001)

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Combining surface-accessible Ag and Au colloidal nanomaterials with SERS for in situ analysis of molecule-metal interactions in complex solution environments

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