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Article
Chemistry, Physical
Xingce Fan et al.
Summary: This paper proposes a new sensing method based on WGM cavities, which combines the enhanced light-matter interactions on the WGM cavity and the fingerprint spectrum of SERS, achieving ultrasensitive and high-specificity molecular sensing.
NANOSCALE HORIZONS
(2023)
Article
Chemistry, Physical
Lu Tan et al.
Summary: In this study, an oxygen vacancy-engineered bismuth molybdate (Bi2MoO6) light collector was developed as a chemical mechanism (CM) enhancing substrate, which exhibited superior surface-enhanced Raman scattering (SERS) sensitivity and high reproducibility. The remarkable SERS enhancement was attributed to the synergistic effect of oxygen vacancy-promoted photoinduced charge transfer (PICT), enhanced light-harvesting ability, and molecule enrichment through cavity-like micro/nanostructures. Besides, the Bi2MoO6 substrate showed enhanced photo-catalytic activity for self-cleaning utilization. The oxygen vacancy-engineered Bi2MoO6 light collector provides new insights for rational CM-based SERS substrate design and opportunities for developing recyclable SERS substrates and extending applications of semiconductor-based SERS.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Multidisciplinary
Juan Zhou et al.
Summary: Obtaining sequential and conformational information on proteins is important for understanding their functions. This study combines surface enhanced Raman scattering (SERS) with a nanopore to observe the unfolding and multistep sequential translocation of single molecule (SM) cytochrome c (cyt c). The high bias voltage unfolds the SM protein, slowing down the translocation and allowing specific SERS traces of different SM cyt c segments to be recorded. This research provides insight into protein segments and accelerates the development of nanopore-based SM protein sequencing.
Article
Engineering, Environmental
Weizhen Yan et al.
Summary: A dual-response sensor was constructed using the fluorescence emission of FITC doped SiO2 and Eu3+, allowing reliable discrimination and trace detection of tetracycline and its analogs. Principal component analysis was used for accurate differentiation of the four most widely used tetracycline analogs. The dual-response nanoplatform showed a wide-gamut color variation with low limits of detection for both spectrometer- and paper-based sensors. The method exhibited excellent adaptability and resistance in various real samples, surpassing previous TC sensors in ecological safety and reliability.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Yuanpeng Cheng et al.
Summary: In this study, steric hindrance was introduced to prevent π-π stacking, allowing the formation of three-dimensional covalent organic frameworks (COFs) through entanglement. A highly crystalline COF (3D-An-COF) was successfully synthesized using precursor molecules with bulky anthracene units. The structural characterization revealed the presence of a square entanglement structure, and the COF exhibited fluorescence and could be used as a sensor for detecting trace antibiotics in water. This study provides a new strategy for the diversification of 3D COFs and opens up possibilities for interesting applications in the future.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2023)
Article
Chemistry, Analytical
Ping Wu et al.
Summary: This study developed a novel SERS sensing platform using tetrahedral framework nucleic acid (tFNA) as probes and a long-range SERS (LR-SERS) substrate. The tFNA probes were modified and anchored on the substrate surface with well-ordered orientation, resulting in highly reproducible SERS signals. The LR-SERS substrate enhanced the signal of tFNA probes, leading to a 54-fold increase in intensity compared to the conventional substrate. Using this platform, a highly reliable detection of the antibiotic ampicillin was achieved with a wide linear range, low detection limit, small relative standard deviation, and quantitative recoveries in various samples.
ANALYTICAL CHEMISTRY
(2023)
Review
Chemistry, Multidisciplinary
Jinxiang Li et al.
Summary: This translated article introduces the application of surface-enhanced Raman scattering (SERS) technology in environmental analysis, focusing on the design and sensing strategies of DNA-functionalized plasmonic nanoassemblies. It also discusses the current challenges and potential trends in environmental pollutant monitoring.
Article
Chemistry, Multidisciplinary
Yaqi Zhu et al.
Summary: A tri-modal paper device based on flower-like CuSe was developed for monitoring Alzheimer's disease-related miRNA by integrating colorimetric, photothermal, and surface-enhanced Raman scattering approaches. The presented tri-modal strategy effectively eliminates false-negative signals at the early stage of Alzheimer's disease.
CHEMICAL COMMUNICATIONS
(2022)
Article
Chemistry, Multidisciplinary
Yue Cao et al.
Summary: This article proposes a synthetic strategy inspired by the natural photosynthetic thylakoid membrane to construct hollow organic crystalline nanospheres. These nanospheres, obtained by hybridizing imine-linked COFs with polymeric hollow g-C3N4 nanospheres, can function as robust scaffolds, heterojunction shells, and light-harvesting antennas for efficient visible-light-driven photocatalysis. Additionally, a new electrochemiluminescence (ECL) technology is developed for in situ evaluation of the photodegradation process, enabling analysis and treatment of actual sewage.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Guoqiang Fang et al.
Summary: This study proposes a machine learning-driven 3D plasmonic cavity-in-cavity SERS platform for sensitive and quantitative detection of antibiotics. The application of this platform enables quantitative analysis of antibiotics at different concentrations.
Article
Chemistry, Analytical
Ping Wu et al.
Summary: This study developed a novel long-range SERS substrate to improve the detection of viral proteins by enhancing the electromagnetic field. The technique achieved low concentration detection of SARS-CoV-2 spike protein without the need for reagents, and could also be used for testing in saliva.
ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Jia Li et al.
Summary: A multifunctional RhB-PLGM@CN nanoprobe was developed for simultaneous photodynamic therapy and monitoring of invasion-related MMP-9 by surface-enhanced Raman spectroscopy. The probe was found to inhibit cell invasion in a glioblastoma multiforme cell line model by downregulating MMP-9.
CHEMICAL COMMUNICATIONS
(2022)
Article
Chemistry, Multidisciplinary
Yan Zhou et al.
Summary: The study successfully created a novel sponge-like Cu-doping SnO2-NiO p-n semiconductor heterostructure with a significant enhancement factor, providing a new foundation for CM-based SERS. By enhancing charge-separation through p-n heterojunction and charge transfer resonance from Cu doping, selective recognition of various lung cancer-related VOCs was achieved.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Food Science & Technology
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)
Article
Chemistry, Multidisciplinary
Meihong Ge et al.
Summary: This method utilizes a nanocapillary pumping model to actively capture target molecules in small gaps, achieving high sensitivity detection. It can maintain an efficient and stable signal for 1-2 minutes during dynamic detection, and can also monitor material transformation processes in biological systems.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2021)
Article
Chemistry, Multidisciplinary
Kang Hyun Lee et al.
Summary: This study presents a hybrid SERS substrate utilizing Ag as plasmonic structures and GaN as charge transfer enhancement centers, which can fabricate a highly sensitive and uniform SERS substrate through conformal printing of Ag nanowires onto GaN nanopillars. It achieves remarkable SERS performance for specific molecules with quantification and multiplexing capabilities demonstrated without surface treatments. This work paves the way for the development of a highly sensitive SERS substrate by constructing complex metal-semiconductor architectures.
Article
Nanoscience & Nanotechnology
Peng Li et al.
ACS APPLIED MATERIALS & INTERFACES
(2020)
Article
Materials Science, Biomaterials
Haihong Yu et al.
JOURNAL OF MATERIALS CHEMISTRY B
(2020)
Article
Chemistry, Analytical
Junjun Ge et al.
ANALYTICAL CHEMISTRY
(2019)
Article
Biochemical Research Methods
Rui Xiao et al.
JOURNAL OF CHROMATOGRAPHY A
(2019)
Article
Nanoscience & Nanotechnology
Yu Su et al.
ACS APPLIED MATERIALS & INTERFACES
(2019)
Article
Chemistry, Multidisciplinary
Ling-Jun Gu et al.
CHEMICAL COMMUNICATIONS
(2018)
Article
Nanoscience & Nanotechnology
Lu-Lu Qu et al.
ACS APPLIED MATERIALS & INTERFACES
(2016)
Article
Chemistry, Multidisciplinary
Fengqin Huang et al.
