ChaeWon Mun
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View article: Interpretability-driven deep learning for SERS-based classification of respiratory viruses
Interpretability-driven deep learning for SERS-based classification of respiratory viruses Open
Respiratory viruses, such as influenza A/B, RSV, SARS-CoV-2 and its variants, continue to be a major global health threat, highlighting the need for rapid and accurate variant-level diagnostics. Herein, we have developed a diagnostic platf…
View article: Plasmonic Molecular Entrapment for Label‐Free Methylated DNA Detection and Machine‐Learning Assisted Quantification
Plasmonic Molecular Entrapment for Label‐Free Methylated DNA Detection and Machine‐Learning Assisted Quantification Open
Epigenetic DNA methylations are linked to the activation of oncogenes and inactivation of tumor suppressor genes. A reliable and label‐free method to quantitatively measure DNA methylation levels is essential for diagnosing and monitoring …
View article: 3D Spiky Needle‐Clustered Ag@Au Plasmonic Nanoarchitecture for Highly Sensitive and Machine Learning‐Assisted Detection of Multiple Hazardous Molecules
3D Spiky Needle‐Clustered Ag@Au Plasmonic Nanoarchitecture for Highly Sensitive and Machine Learning‐Assisted Detection of Multiple Hazardous Molecules Open
To develop a field applicable hazardous molecular detection system, highly sensitive and multiplex detection capability is required for practical utilization. Here, a paper‐based 3D spiky needle‐clustered gold grown on silver (Ag@Au) plasm…
View article: Development of one-step roll-to-roll system with incorporated vacuum sputtering for large-scale production of plasmonic sensing chips
Development of one-step roll-to-roll system with incorporated vacuum sputtering for large-scale production of plasmonic sensing chips Open
The trade-off relationship between cost and performance is a major challenge in the development of surface-enhanced Raman spectroscopy (SERS) sensors for practical applications. We propose a roll-to-roll system with incorporated vacuum spu…
View article: Whole urine-based multiple cancer diagnosis and metabolite profiling using 3D evolutionary gold nanoarchitecture combined with machine learning-assisted SERS
Whole urine-based multiple cancer diagnosis and metabolite profiling using 3D evolutionary gold nanoarchitecture combined with machine learning-assisted SERS Open
To develop onsite applicable cancer diagnosis technologies, a noninvasive human biofluid detection method with high sensitivity and specificity is required, available for classifying cancer from the normal group. Herein, a three-dimensiona…
View article: 3D Plasmonic Multilayered Gold Nanoarchitecture for Multiple Cancer Diagnosis Using SERS and Machine Learning-Assisted Liquid-Phase Human Urine Sensing
3D Plasmonic Multilayered Gold Nanoarchitecture for Multiple Cancer Diagnosis Using SERS and Machine Learning-Assisted Liquid-Phase Human Urine Sensing Open
To develop onsite applicable cancer diagnosis technologies, a noninvasive human biofluid detection method with high sensitivity and specificity is required, available for classifying cancer from the normal group. Herein, a clinical assay p…
View article: 3D Plasmonic Gold Nanopocket Structure for SERS Machine Learning‐Based Microplastic Detection
3D Plasmonic Gold Nanopocket Structure for SERS Machine Learning‐Based Microplastic Detection Open
Microplastics (MPs) are present not only in the environment but also in drinking water, food, and consumer products. These MPs being toxic, carcinogenic, endocrine disrupting, and genetic risk creators cause several diseases. Despite vario…
View article: Cu-substrate interfacial adhesion: A key factor in controlling the oxidation of Cu thin films on oxide substrates
Cu-substrate interfacial adhesion: A key factor in controlling the oxidation of Cu thin films on oxide substrates Open
Despite the likelihood of H2O adsorption on the highly defective surfaces of polycrystalline Cu thin films under ambient atmospheric conditions, the influence of adsorbed H2O on the oxidation of Cu thin films has not been fully recognized.…
View article: Galvanically Replaced Au/Ag Nanostructures as a SERS‐Active Substrate with Progressive Interior Hotspots
Galvanically Replaced Au/Ag Nanostructures as a SERS‐Active Substrate with Progressive Interior Hotspots Open
Interior hotspots in surface‐enhanced Raman spectroscopy (SERS) platforms have attracted intensive attention because they enable facile methodologies and exhibit excellent sensing behavior. Molecules surrounded by plasmonic materials exhib…
View article: Galvanic engineering of interior hotspots in 3D Au/Ag bimetallic SERS nanocavities for ultrasensitive and rapid recognition of phthalate esters
Galvanic engineering of interior hotspots in 3D Au/Ag bimetallic SERS nanocavities for ultrasensitive and rapid recognition of phthalate esters Open
The ecological and health risks of plasticizer accumulation have reached the global public agenda. For early screening of phthalate esters (PAEs), in the present study, we developed ultrasensitive and reliable bimetallic surface-enhanced R…
View article: Flexible and transparent thin-film light-scattering photovoltaics about fabrication and optimization for bifacial operation
Flexible and transparent thin-film light-scattering photovoltaics about fabrication and optimization for bifacial operation Open
Flexible and transparent thin-film silicon solar cells were fabricated and optimized for building-integrated photovoltaics and bifacial operation. A laser lift-off method was developed to avoid thermal damage during the transfer of light-s…
View article: Label-free detection and discrimination of respiratory pathogens based on electrochemical synthesis of biomaterials-mediated plasmonic composites and machine learning analysis
Label-free detection and discrimination of respiratory pathogens based on electrochemical synthesis of biomaterials-mediated plasmonic composites and machine learning analysis Open
Seasonal outbreaks of respiratory viral infections remain a global concern, with increasing morbidity and mortality rates recorded annually. Timely and false responses contribute to the widespread of respiratory pathogenic diseases owing t…
View article: Nanoscale crack generation of Au/Ag nanopillars by in situ galvanic replacement for sensitive, label-free, and rapid SERS detection of toxic substances
Nanoscale crack generation of Au/Ag nanopillars by in situ galvanic replacement for sensitive, label-free, and rapid SERS detection of toxic substances Open
Molecular fingerprint spectra obtained by surface-enhanced Raman spectroscopy (SERS) enable the trace analysis of chemical and biomedical materials, including toxic substances. However, molecules that undergo random diffusion have a lower …
View article: In-situ fabrication of 3D interior hotspots templated with a protein@Au core–shell structure for label-free and on-site SERS detection of viral diseases
In-situ fabrication of 3D interior hotspots templated with a protein@Au core–shell structure for label-free and on-site SERS detection of viral diseases Open
Nanoscale plasmonic hotspots play a critical role in the enhancement of molecular Raman signals, enabling the sensitive and reliable trace analysis of biomedical molecules via surface-enhanced Raman spectroscopy (SERS). However, effective …
View article: 3D interior hotspots embedded with viral lysates for rapid and label-free identification of infectious diseases
3D interior hotspots embedded with viral lysates for rapid and label-free identification of infectious diseases Open
• The 3D interior organo-hotspots was demonstrated via electrochemical deposition onto Au nanodimple platforms with viral lysates. • The proposed platform exhibited the label-free SERS detection of SARS-CoV-2 lysates. • The platform traced…
View article: Interior Hotspot Engineering in Ag–Au Bimetallic Nanocomposites by In Situ Galvanic Replacement Reaction for Rapid and Sensitive Surface-Enhanced Raman Spectroscopy Detection
Interior Hotspot Engineering in Ag–Au Bimetallic Nanocomposites by In Situ Galvanic Replacement Reaction for Rapid and Sensitive Surface-Enhanced Raman Spectroscopy Detection Open
Engineering of interior hotspots provides a paradigm shift from traditional surface-enhanced Raman spectroscopy (SERS), in which the detection sensitivity depends on the positioning of adsorbed molecules. In the present work, we developed …
View article: Organometallic hotspot engineering for ultrasensitive EC-SERS detection of pathogenic bacteria-derived DNAs
Organometallic hotspot engineering for ultrasensitive EC-SERS detection of pathogenic bacteria-derived DNAs Open
The sensitivity and limit-of-detection (LOD) of the traditional surface-enhanced Raman spectroscopy (SERS) platform suffer from the requirement of precise positioning of small analytes, including DNAs and bacteria, into narrow hotspots. In…
View article: Hydrogel-Assisted 3D Volumetric Hotspot for Sensitive Detection by Surface-Enhanced Raman Spectroscopy
Hydrogel-Assisted 3D Volumetric Hotspot for Sensitive Detection by Surface-Enhanced Raman Spectroscopy Open
Effective hotspot engineering with facile and cost-effective fabrication procedures is critical for the practical application of surface-enhanced Raman spectroscopy (SERS). We propose a SERS substrate composed of a metal film over polyimid…