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Article
Engineering, Environmental
Pengcheng Wu et al.
Summary: This study developed a multimodal CA-independent LFIA method for rapid diagnosis of bacterial urinary tract infections. By using AuNF-PMBA nanomaterials as multifunctional labels, this method achieved high sensitivity and accuracy. The results showed that the LOD of this method in naked-eye and quantitative modes was lower than the conventional CA-dependent sandwich method. Additionally, successful detection of target pathogens in clinical samples was achieved using this diagnostic platform.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Applied
Reena K. Sajwan et al.
Summary: A rapid and sensitive hybrid nanosensor using graphene quantum dots and gold nanoparticles was developed for detecting gentamicin in milk and egg samples. The nanosensor showed excellent recovery efficiency and can be used as a promising tool for speedy monitoring of food quantity.
Review
Medicine, Research & Experimental
Xirui Chen et al.
Summary: This article introduces the application of engineered noble metal nanoparticles in improving immunoassay sensitivity. By modulating the physical parameters of nanoparticles, including size, shape, composition, and external structure, the performance of immunoassay can be improved. Engineered nanoparticles have a wide range of applications in trace analysis.
Article
Chemistry, Analytical
Tong Bu et al.
Summary: The rapid detection of toxins is crucial for food security and human health. In this study, a dual-modality immunochromatographic test using Staphylococcus aureus-biosynthesized polymer dots was developed for sensitive monitoring of zearalenone in agro products. The results showed that this method has high sensitivity and feasibility, making it suitable for on-site testing in real-life scenarios.
ANALYTICAL CHEMISTRY
(2022)
Article
Biophysics
Meijuan Liang et al.
Summary: In this study, a compact Cu-anchored PDA (PCu) was engineered as the efficient signal element for multimodal LFA (mLFA), providing triple signal readouts and highly reliable analytical performance.
BIOSENSORS & BIOELECTRONICS
(2022)
Article
Engineering, Environmental
Xuelian Hu et al.
Summary: This study developed an innovative ratiometric fluorescence sensor for onsite monitoring of oxytetracycline. The sensor exhibited high sensitivity and selectivity, and was integrated with a smartphone-assisted device to achieve precise onsite analysis.
CHEMICAL ENGINEERING JOURNAL
(2022)
Review
Engineering, Environmental
Saowalak Adunphatcharaphon et al.
Summary: Mycotoxins pose serious threats to public health, the economy, and the environment. The co-contamination of multiple hazardous mycotoxins in commodities and the environment adds complexity to the problem. This review discusses emerging rapid immuno-based multiplex methods for detecting mycotoxins in agricultural products and feed ingredients published within the past five years, including lateral flow, fluorescence polarization, chemiluminescence, surface plasmon resonance, surface enhanced Raman scattering, electrochemical sensor, and nanoarray. The future trend of detection methods for multiple mycotoxins is predicted to rely on advancements in sensor technologies, nanomaterial-based enhancing and reporting signals, rapid sample preparation, and quantitative analysis capacity.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Engineering, Environmental
Jincheng Xiong et al.
Summary: A novel fluorescence quenching immunochromatographic test strip (FQICTS) was developed for simultaneous detection of chloramphenicol (CAP) and amantadine (AMD) using a combination of gold nanoparticles (AuNPs) and highly luminescent gold nanoclusters (AuNCs) as the quencher/donor pair. The FQICTS showed good linearity for CAP and AMD detection with low limits of detection. The strip's turn-on mode exhibited high recovery and good performance.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Mitchell D. Nothling et al.
Summary: Modifying surfaces using free radical polymerization allows the incorporation of diverse physicochemical properties of vinyl polymers onto new materials. By utilizing the surface attachment of polydopamine (PDA), a range of different surfaces were primed for free radical polymer attachment. The strategy resulted in covalent polymer attachment on both porous and nonporous substrates, imparting new properties to the functionalized materials.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2022)
Article
Engineering, Environmental
Huiyi Yang et al.
Summary: Multimodal lateral flow immunoassay (LFIA) is a method that improves the practicality and flexibility of point-of-care testing. In this study, multifunctional core-shell-shell Au@Pt@Ag NPs loaded with dual-layer Raman reporter molecules were constructed for colorimetric LFIA (CM-LFIA), photothermal LFIA (PTLFIA), and surface-enhanced Raman scattering-based LFIA (SERS-LFIA), respectively. The nanoprobes showed excellent sensing sensitivity and were successfully used in multimodal LFIA with one visual qualitative and two optional quantitative modes. The developed LFIA demonstrated high detection sensitivity and good performance in real samples, indicating its great potential for accurate tracing of hazardous analytes in complex samples.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Review
Chemistry, Analytical
Zhuangzhuang Bai et al.
Summary: This review summarizes the recent progress in detection methods for Escherichia coli O157:H7, including optical, electrochemical, and other approaches. It discusses the principles, merits, and demerits of each method, as well as technological innovations and novel nanomaterials for improving detection ability. The detailed overview provides valuable insights and serves as a significant reference for researchers in the field of foodborne pathogenic detection.
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
(2022)
Article
Engineering, Environmental
Wanzhu Shen et al.
Summary: A novel immunochromatographic assay with improved surface-enhanced Raman scattering technique was proposed for rapid and efficient detection of foodborne bacteria.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Medicine, Research & Experimental
Hong Duan et al.
Summary: This study presents a pH-regulated gold in situ growth (GISG) strategy to amplify the colorimetric signal and improve the performance of traditional gold nanoparticle-based immunochromatographic assay (AuNP-ICA). By lowering the pH of the growth solution, the reducibility of hydroxylamine is weakened, resulting in the crystallization and growth of Au3+ on the AuNP surface instead of self-nucleation. The proposed GISG strategy shows improved sensitivity, low background, robust operation, and good reproducibility. It has the potential to enable ultrasensitive and rapid diagnosis of viral infections and redefine immunochromatographic diagnostics.
Article
Biophysics
Yaofeng Zhou et al.
Summary: The PEI-CISG technology introduced in this study controls the growth of copper nanoshells on the surface of gold nanoparticles in AuNP-LFS, effectively enhancing the detection sensitivity for various infectious diseases.
BIOSENSORS & BIOELECTRONICS
(2021)
Article
Nanoscience & Nanotechnology
Jesna K. George et al.
Summary: Perovskite quantum dots (PQDs) exhibit exceptional fluorescence property and are potential candidates for fluorescent metalion sensors. The study reveals the significance of inner filter effect (IFE) in perovskite sensing systems, which enhances detection limits. Two different sensing systems for Co2+ were developed with elucidation of the fluorescence quenching mechanism, a combination of FRET and IFE, and successful modification of PQDs to reduce IFE.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Biophysics
Yaofeng Zhou et al.
Summary: The article discusses the fabrication of dual-modal sensing technologies and their advantages in analytical efficiency, detection range, accuracy, and application flexibility, highlighting colorimetric and fluorescent signals as two popular output signals with distinctive advantages. It also explores the wide applications of dual-modal sensing technologies in disease diagnosis, environmental monitoring, and food safety, discussing the complementary and synergistic effects of the two output signals over the past decade.
BIOSENSORS & BIOELECTRONICS
(2021)
Article
Chemistry, Multidisciplinary
Jing Wang et al.
Summary: A highly sensitive ratiometric fluorescent lateral flow immunoassay strip was developed for the rapid and accurate detection of the acute myocardial infarction biomarker, H-FABP. By utilizing a custom smartphone-based analytical device and tonality analysis, quantitative detection of H-FABP with a low limit of detection was achieved. The visually distinguishable color change on the strip around the threshold concentration of H-FABP enables semi-quantitative diagnosis by the naked eye.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Nanoscience & Nanotechnology
Fabio Di Nardo et al.
ACS APPLIED MATERIALS & INTERFACES
(2019)
Article
Agriculture, Multidisciplinary
Yanna Shao et al.
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
(2019)
Article
Chemistry, Applied
Baolei Dong et al.
Review
Chemistry, Analytical
Yaofeng Zhou et al.
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
(2019)
Article
Chemistry, Multidisciplinary
Jiajing Zhou et al.
Article
Chemistry, Multidisciplinary
Colleen N. Loynachan et al.
Article
Chemistry, Multidisciplinary
Juan Li et al.
Article
Nanoscience & Nanotechnology
Na Huang et al.
ACS APPLIED MATERIALS & INTERFACES
(2015)
Article
Chemistry, Physical
Lourdes Rivas et al.
Article
Chemistry, Multidisciplinary
Martin E. Lynge et al.
