Chromogenic Photonic Crystal Detectors for Monitoring Small Molecule Diffusion at Solid–Solid Interfaces Using Stimuli-Responsive Shape Memory Polymers DOI

Sin‐Yen Leo,

Calen J. Leverant, Yifan Zhang

et al.

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 17(1), P. 2238 - 2249

Published: Dec. 17, 2024

In situ monitoring of small molecule diffusion at solid–solid interfaces is challenging, even with sophisticated equipment. Here, novel chromogenic photonic crystal detectors enabled by integrating bioinspired structural color stimuli-responsive shape memory polymer (SMP) for detecting trace amounts interfacial are reported. Colorless macroporous SMP membranes deformed macropores can recover back to the "memorized" microstructures and corresponding iridescent colors when triggered diffused molecules. Systematic experimental theoretical investigations using various microscopes, optical spectroscopy modeling, spatio-resolved energy-dispersive X-ray spectroscopy, calculations confirm diffusion-induced mechanisms. Importantly, proof-of-concept sensing temporospatial-resolved bioactive ingredients used in drug delivery, including anti-inflammatory methyl salicylate pain relieving patches vitamin E barriers loaded contact lens, phthalates plasticizers commercial PVC products has been demonstrated. These innovative inexpensive, reusable, easy operate deploy both qualitative quantitative analyses, promising opening new avenues biomedical research, threat detection, plastics, food, environmental safety. Moreover, reconfigurable crystals micrometer-scale resolution, which great importance tunable integrated nanooptics, be fabricated diffusion-enabled microcontact printing.

Language: Английский

Miniature dual-channel electrochemical 3D-printed sensing platform for enzyme-free screening of L-lactic acid in foodstuffs accompanying pH recognition DOI
Di Wu, Qiao‐Hua Wei, Zhichao Yu

et al.

Food Chemistry, Journal Year: 2024, Volume and Issue: 465, P. 142188 - 142188

Published: Nov. 21, 2024

Language: Английский

Citations

8
Recent Advances in Metal Oxide Semiconductor Heterojunctions for the Detection of Volatile Organic Compounds DOI Creative Commons
Shengming Zhang, Heng Zhang,

Haiyu Yao

et al.

Chemosensors, Journal Year: 2024, Volume and Issue: 12(12), P. 244 - 244

Published: Nov. 22, 2024

The efficient detection of volatile organic compounds (VOCs) is critically important in the domains environmental protection, healthcare, and industrial safety. development metal oxide semiconductor (MOS) heterojunction gas-sensing materials considered one most effective strategies to enhance sensor performance. This review summarizes discusses types heterojunctions their working principles, enhancement strategies, preparation methodologies, applications acetone ethanol detection. To address constraints pertaining low sensitivity, sluggish response/recovery times, elevated operating temperatures that are inherent VOC sensors, several improvement methods proposed, including doping with metals like Ag Pd, incorporating additives such as MXene polyoxometalates, optimizing morphologies through a fine design, self-doping via oxygen vacancies. Furthermore, this work provides insights into challenges faced by MOSs heterojunction-based gas sensors outlines future research directions field. will contribute foundational theories overcome existing bottlenecks MOS technology while promoting its large-scale application disease screening or agricultural food quality assessments.

Language: Английский

Citations

4
Multidimensional Resonance Controlled by Critical Size in Printed Binary Colloidal Crystals for High-Contrast Imaging DOI

Yang Xu,

Zeying Zhang, Hongyu Sun

et al.

Journal of the American Chemical Society, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 17, 2025

Colloidal crystal engineering enables the precise construction of structures with remarkable properties. However, flexible and synergistic regulation multiple properties colloidal crystals remains a significant challenge. Here, we inspire from Brazilian opals to self-assemble polymer nanoparticles in gaps single-layer opal substrate fabricate large-scale binary (BCCs). These BCCs have well-defined sizes, compositions, dimensions, which crystallization process is finely controlled by Marangoni flow. Notably, find critical size for simultaneous independent their lattice resonance wavelength intensity, forming full-color palette. Moreover, these as optical coatings allow high-contrast imaging microbials, benefiting strong spatial confinement. Compared glass clinical smearing, they an order magnitude improvement chromatism without dyeing. This work demonstrates that hold great potential creating multifunctional devices various applications including information display, biological detection, imaging.

Language: Английский

Citations

0
Integrating Humidity‐Resistant and Colorimetric COF‐on‐MOF Sensors with Artificial Intelligence Assisted Data Analysis for Visualization of Volatile Organic Compounds Sensing DOI Creative Commons
Qin Ouyang,

Yanna Rong,

Guoqing Xia

et al.

Advanced Science, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 31, 2025

Abstract Direct visualization and monitoring of volatile organic compounds (VOCs) sensing processes via portable colorimetric sensors are highly desired but challenging targets. The key challenge resides in the development efficient systems with high sensitivity, selectivity, humidity resistance, profuse color change. Herein, a strategy is reported for direct VOCs by mimicking human olfactory function integrating COF‐on‐MOF artificial intelligence (AI)‐assisted data analysis techniques. Dye@Zeolitic Imidazolate Framework@Covalent Organic Framework (Dye@ZIF‐8@COF) sensor takes advantage porous structure MOF core hydrophobic nature COF shell, enabling sensitive trace number VOCs. Dye@ZIF‐8@COF exhibits exceptional sensitivity to at sub‐parts per million levels demonstrates excellent resistance (under 20–90% relative humidity), showing great promise practical applications. Importantly, AI‐assisted information fusion perceptual greatly promote accuracy processes, classification seven stages matcha drying superior 95.74%. This work paves way integration advanced humidity‐resistant materials analyzing

Language: Английский

Citations

0
Detection of isomers based on silica colloidal crystals doped with noble metals DOI
Chun‐yang Zhang, J. Liu, Chengjia Xiong

et al.

Journal of Colloid and Interface Science, Journal Year: 2025, Volume and Issue: unknown, P. 137477 - 137477

Published: March 1, 2025

Language: Английский

Citations

0
Challenges and Applications of Bio-Sniffers for Monitoring Volatile Organic Compounds in Medical Diagnostics DOI Creative Commons
Yang Wang,

xiaoyun zhou,

Siying Mao

et al.

Chemosensors, Journal Year: 2025, Volume and Issue: 13(4), P. 127 - 127

Published: April 3, 2025

Bio-sniffers represent a novel detection technology that demonstrates significant potential in medical diagnostics. Specifically, they assess disease conditions and metabolic status through the of volatile organic compounds (VOCs) exhaled breath. Unlike conventional methods such as gas chromatography-mass spectrometry (GC-MS) chromatography time-of-flight mass (GC-TOF-MS), bio-sniffers provide rapid, sensitive, portable capabilities. In this review, we examine pathways specific VOCs human body, their roles biomarkers, focus on principles, performance characteristics, applications two bio-sniffer types: electrical optical sensors. Finally, systematically discuss current challenges facing VOC monitoring, outline future development directions, suggestions for improving sensitivity reducing environmental interference.

Language: Английский

Citations

0
Wearable Image‐Based Colorimetric Sensor for Real‐Time Gas Detection with High Chromaticity DOI Creative Commons
Ji‐Eun Yeo, Joo Hwan Ko, Seung Hyeun Lee

et al.

Advanced Electronic Materials, Journal Year: 2025, Volume and Issue: unknown

Published: April 9, 2025

Abstract Flexible gas sensing technologies are essential for a wide range of environments and applications, from wearable devices to large‐scale industrial systems. Among various approaches, colorimetric stands out its distinct advantages, including energy‐free operation, intuitive visual feedback, high resistance environmental disturbances. Leveraging ultrathin resonators, achieves enhanced chromaticity angular stability. In this study, flexible sensor is introduced based on resonator array integrated with polyvinyl alcohol (PVA). This nearly 100% coverage the standard RGB color gamut, enabling precise visually distinguishable detection. Fabricated substrate, it demonstrates remarkable robustness, maintaining consistent under incident light angle variations up 60°. capability, combined rapid response times 180 ms PVA swelling 210 shrinking, highlights sensor's adaptability diverse industrial‐scale monitoring. Furthermore, evaluated volatile organic compounds (VOCs) imaging conditions, showcasing potential image‐based analysis accurate VOC Notably, demonstrated ability detect concentrations that indistinguishable using single by simultaneously analyzing data four arrays.

Language: Английский

Citations

0
Engineering Multiplexed Synthetic Breath Biomarkers as Diagnostic Probes DOI Open Access
Shih‐Ting Wang, Melodi Anahtar, Daniel M. Kim

et al.

bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 31, 2024

Abstract Breath biopsy is emerging as a rapid and non-invasive diagnostic tool that links exhaled chemical signatures with specific medical conditions. Despite its potential, clinical translation remains limited by the challenge of reliably detecting endogenous, disease-specific biomarkers in breath. Synthetic represent an paradigm for precision diagnostics such they amplify activity-based biochemical signals associated disease fingerprints. However, their adaptation to breath has been constrained availability orthogonal volatile reporters are detectable Here, we engineer multiplexed couple aberrant protease activities exogenous reporters. We designed novel intramolecular reactions leverage protease-mediated aminolysis, enabling sensing broad spectrum proteases, each release unique reporter This approach was validated mouse model influenza establish baseline sensitivity specificity controlled inflammatory setting, subsequently applied diagnose lung cancer using autochthonous Alk -mutant model. show combining machine learning algorithms enables tumor progression tracking, treatment response monitoring, detection relapse after 30 minutes. Our platform highlights promising avenue rapid, point-of-care across diverse states.

Language: Английский

Citations

0
Chromogenic Photonic Crystal Detectors for Monitoring Small Molecule Diffusion at Solid–Solid Interfaces Using Stimuli-Responsive Shape Memory Polymers DOI

Sin‐Yen Leo,

Calen J. Leverant, Yifan Zhang

et al.

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 17(1), P. 2238 - 2249

Published: Dec. 17, 2024

In situ monitoring of small molecule diffusion at solid–solid interfaces is challenging, even with sophisticated equipment. Here, novel chromogenic photonic crystal detectors enabled by integrating bioinspired structural color stimuli-responsive shape memory polymer (SMP) for detecting trace amounts interfacial are reported. Colorless macroporous SMP membranes deformed macropores can recover back to the "memorized" microstructures and corresponding iridescent colors when triggered diffused molecules. Systematic experimental theoretical investigations using various microscopes, optical spectroscopy modeling, spatio-resolved energy-dispersive X-ray spectroscopy, calculations confirm diffusion-induced mechanisms. Importantly, proof-of-concept sensing temporospatial-resolved bioactive ingredients used in drug delivery, including anti-inflammatory methyl salicylate pain relieving patches vitamin E barriers loaded contact lens, phthalates plasticizers commercial PVC products has been demonstrated. These innovative inexpensive, reusable, easy operate deploy both qualitative quantitative analyses, promising opening new avenues biomedical research, threat detection, plastics, food, environmental safety. Moreover, reconfigurable crystals micrometer-scale resolution, which great importance tunable integrated nanooptics, be fabricated diffusion-enabled microcontact printing.

Language: Английский

Citations

0