Multifaceted Hydrogel Scaffolds: Bridging the Gap between Biomedical Needs and Environmental Sustainability

Advanced Healthcare Materials, Год журнала: 2024, Номер 13(27)

Опубликована: Июнь 2, 2024

Abstract Hydrogels are dynamically evolving 3D networks composed of hydrophilic polymer scaffolds with significant applications in the healthcare and environmental sectors. Notably, protein‐based hydrogels mimic extracellular matrix, promoting cell adhesion. Further enhancing proliferation within these matrix‐metalloproteinase‐triggered amino acid motifs. Integration cell‐friendly modules like peptides proteins expands hydrogel functionality. These exceptional properties position for diverse applications, including biomedicine, biosensors, remediation, food industry. Despite progress, there is ongoing research to optimize biomedical further. Engineering novel favorable characteristics crucial regulating tissue architecture facilitating ecological remediation. This review explores synthesis, physicochemical properties, biological implications various types their extensive biomedicine It elaborates on potential bridging gap between advancements sector solutions issues.

Язык: Английский

---

BSA/PEI/GOD Modified Cellulose Nanocrystals for Construction of Hydrogel-Based Flexible Glucose Sensors for Sweat Detection

Journal of Materials Chemistry B, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

With the miniaturization, integration and intelligence of sweat electrochemical sensor technology, hydrogel flexible sensors have demonstrated immense potential in field real-time non-invasive personal health monitoring.

Язык: Английский

---

Hydrophilic Shape‐Memory Nanozyme Aerogel for the Development of a Reusable and Signal‐Amplified Sensor

Advanced Functional Materials, Год журнала: 2025, Номер unknown

Опубликована: Янв. 24, 2025

Abstract Nanozymes hold great promise for biosensing applications, yet their practical implementation is hampered by limitations in signal enhancement, reusability, and device integration. Herein, the development of a hydrophilic shape‐memory nanozyme aerogel that addresses these challenges reported. The platform constructed embedding chitosan‐protected platinum nanoparticles (Pt‐CS NPs), which exhibit intrinsic peroxidase (POD) activity, within polyacrylic acid (PAA) matrix. This hybrid Pt‐CS/PAA retains effect PAA component as well POD activity Pt‐CS NPs. Importantly, exhibits differential adsorption behaviors toward two distinct oxidation products, oxidized 3,3′,5,5′‐tetramethyl‐benzidine (oxTMB) 2,2′‐azino‐bis(3‐ethylbenzothiazoline‐6‐sulfonic acid) (oxABTS), driven differing electrostatic potentials with aerogel. By integrating effect, catalysis, exceptional probe performance, enables realization signal‐amplified or reusable nanozyme‐based assay, when employing TMB ABTS chromogenic substrates, respectively. Furthermore, architecture allows straightforward deviceization, transforming analysis from conventional test paper formats into practical, sensing devices. work establishes generalizable blueprint engineering smart materials shape memory characteristics, opening up new avenues developing advanced platforms enhanced performance user‐friendly operability.

Язык: Английский

---

Silicon-based bimetallic nanozyme-enhanced immunochromatographic strips for highly sensitive simultaneous detection of multiple environmental pollutants

Chemical Engineering Journal, Год журнала: 2025, Номер unknown, С. 159936 - 159936

Опубликована: Янв. 1, 2025

Язык: Английский

---

Fluorescent responsive film based on Nitrogen-Doped carbon quantum dots embedded in mesoporous silica for visual detection of Cr(VI)

Journal of environmental chemical engineering, Год журнала: 2025, Номер unknown, С. 115656 - 115656

Опубликована: Янв. 1, 2025

Язык: Английский

---

RECENT ADVANCEMENTS IN NANOZYME HYDROGEL BASED SYSTEM FOR ENHANCED SENSING APPLICATIONS

Biosensors and Bioelectronics X, Год журнала: 2024, Номер unknown, С. 100548 - 100548

Опубликована: Сен. 1, 2024

Язык: Английский

---

Carboxymethyl Cellulose Sodium Nanocomposite Hydrogels for Flexible Sensors of Human Motion and Glucose Levels in Sweat

ACS Applied Polymer Materials, Год журнала: 2024, Номер 6(13), С. 7393 - 7407

Опубликована: Июнь 27, 2024

In recent years, there has been an increasing interest in the use of biomass-based nanocomposite hydrogels for wearable flexible sweat sensors. this manuscript, design a dual-network hydrogel using sodium carboxymethyl cellulose (CMC-Na) to develop high-performance sensor is considered be effective method accurate monitoring human movement and continuous noninvasive measurement glucose levels sweat. The gel gauge factor (GF) 1.34 toughness 4.18 MJ/m3, exhibiting excellent mechanical properties self-healing capabilities (92.6%). As motion sensor, it can accurately identify various movements. By incorporating oxidase-thioglycolic acid-gold nanoparticles (GTAN) nanomaterials into hydrogel, stable electrocatalytic activity was achieved. detection limit (LOD) 0.28 μM wide operating range. Additionally, different testing methods show good linear relationships, indicating sensor's universality measurement. analyzing daily physical activities sweat, individual health achieved, thereby expanding potential next-generation multifunctional sensing systems.

Язык: Английский

---

Review: Nanozyme-based point-of-care testing for portable and on-site monitoring of food contaminants

Trends in Food Science & Technology, Год журнала: 2025, Номер 161, С. 105062 - 105062

Опубликована: Май 2, 2025

Язык: Английский

---

Fluorescent Sodium Alginate Hydrogel–Carbon Dots Sensor for Detecting Perfluorooctanoic Acid in Potable Water

Analytical Chemistry, Год журнала: 2025, Номер unknown

Опубликована: Май 3, 2025

Per- and polyfluoroalkyl substances (PFASs), especially perfluorooctanoic acid (PFOA), are emerging environmental health concerns due to their persistence, resistance degradation, bioaccumulation. In this study, we developed a sensitive selective detection platform based on sodium alginate (SA) hydrogel modified with nitrogen fluorinated carbon dots (N,F-CDs) enhance the of PFOA in natural engineered water systems. The SA hydrogel-N,F-CD composite exhibited strong fluorescence at 480 nm after optimization, achieving limit as low 0.001 ppt. sensor was characterized by using Scanning Electron Microscopy (SEM), Fourier-Transform Infrared Spectroscopy (FT-IR), Powder X-ray Diffraction (PXRD), Photoelectron (XPS), zeta potential spectroscopy, revealing its structural integrity, functional groups, surface charge hydrogel-N,F-CDs network. Sensitivity assessments demonstrated linear response concentrations ranging from 1 66 ppq. Selectivity tests confirmed sensor's ability distinguish other perfluorinated compounds, minimal interference substances. practical applicability validated spiked recovery experiments tap samples various locations, rates between 94% 106.6%. This offers reliable, efficient, highly for PFAS, demonstrating real-world PFAS-monitoring applications.

Язык: Английский

---

Construction of a Colorimetric Glyphosate Detection Platform Based on Peroxidase-like Activity of MOF-818(Cu)

Analytical Methods, Год журнала: 2025, Номер unknown

Опубликована: Янв. 1, 2025

Using the POD-like activity of a metal–organic framework (MOF-818) and catalytic inhibition induced by glyphosate, we developed “signal-off” detection system for glyphosate residues.

Язык: Английский

---