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学者姓名：罗芳
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Abstract ：
Filling the microchannel with negatively charged hydrogel can exhibit microsacle ion current rectification (ICR) behavior, which is attributed to the space negative charge and structural asymmetry of hydrogel. In this study, this character had been applied to develop a trypsin sensor for the first time. A hydrogel synthesized with bovine serum albumin (BSA) and glyoxal (BSAG hydrogel) was filled at the tip of microchannel firstly. Subsequently, the BSAG hydrogel-filled microchannel was immersed in a trypsin solution to hydrolyze the BSA within the BSAG hydrogel. This process changes the space charge density and pore size of the BSAG hydrogel-filled microchannel, leading to a change in microscale ICR, which can be used for quantifying trypsin. Then the key parameters affecting the sensing performance such as the concentration of BSA, strength of the electrolyte, pH and reaction time were optimized. The detection range was from 10.0 ng/mL to 100 mu g/mL with a detection limit as low as 2.55 ng/mL (S/N = 3). Due to the distinctive three-dimensional pore structure of the hydrogel and the specificity of trypsin for BSA hydrolysis, the sensor exhibits high sensitivity and specificity, as well as remarkable reproducibility and stability. This sensor has been effectively used to measure trypsin levels in human serum samples.
Keyword ：
Hydrogel Hydrogel Microchannel Microchannel Microscale ionic current rectification Microscale ionic current rectification Space negtive charge Space negtive charge Trypsin Trypsin
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| GB/T 7714 | Cai, Huabin , Yuan, Runhao , Huang, Shaokun et al. Sensitive trypsin sensor based on the regulation of microscale ionic current rectification by the selectivity hydrolysis of hydrogel filled in microchannel [J]. | TALANTA , 2025 , 285 . |
| MLA | Cai, Huabin et al. "Sensitive trypsin sensor based on the regulation of microscale ionic current rectification by the selectivity hydrolysis of hydrogel filled in microchannel" . | TALANTA 285 (2025) . |
| APA | Cai, Huabin , Yuan, Runhao , Huang, Shaokun , Huang, Yanling , Lin, Cuiying , Lin, Yue et al. Sensitive trypsin sensor based on the regulation of microscale ionic current rectification by the selectivity hydrolysis of hydrogel filled in microchannel . | TALANTA , 2025 , 285 . |
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Combined the electrostatic interaction of the negatively charged gold nanorods (AuNRs) (as acceptor) and Ru(bpy)(3)(2+) (as donor), an electrochemiluminescence resonance energy transfer (ECL-RET) sensor was constructed and applied for the detection of organophosphorus pesticides (OPs). Negatively charged AuNRs were synthesized by modifying AuNRs with polystyrene sulfonate (PSS) firstly, which can bind to Ru(bpy)(3)(2+) through electrostatic interaction so that the luminophore was absorbed by the acceptor, the resonance energy transfer occurred and only low ECL signal had been detected. Thiocholine can be produced by the hydrolysis process of acetylthiocholine (ATCh) with the help of acetylcholinesterase (AChE), which can bond with PSS-modified AuNRs (PSS-AuNRs) through gold-sulfur interaction, this caused the releasing of the adsorbed Ru(bpy)(3)(2+) into the solution and resulting in the restoration of the ECL intensity. However, the activity of AChE was inhibited by OPs, and the recovery process of the ECL signal was thus suppressed as well. In this study, chlorpyrifos was chosen as model target, the results indicated that the correlation between the ECL intensity and the logarithm of chlorpyrifos concentration showed remarkable linearity across 1 ng/mL to 1 mg/mL, achieving a detection limit of 0.51 ng/mL. The proposed system has been utilized for detecting OPs in real samples with satisfied results.
Keyword ：
Acetylcholinesterase Acetylcholinesterase Electrochemiluminescence Electrochemiluminescence Gold nanorods Gold nanorods Organophosphorus pesticides Organophosphorus pesticides Resonance energy transfer Resonance energy transfer
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| GB/T 7714 | Li, Zixin , Lin, Zeyu , Chen, Lifen et al. Electrochemiluminescence sensor for organophosphorus pesticides based on the regulation of resonance energy transfer between negative charged gold nanorods and Ru(bpy)32+ [J]. | TALANTA , 2025 , 281 . |
| MLA | Li, Zixin et al. "Electrochemiluminescence sensor for organophosphorus pesticides based on the regulation of resonance energy transfer between negative charged gold nanorods and Ru(bpy)32+" . | TALANTA 281 (2025) . |
| APA | Li, Zixin , Lin, Zeyu , Chen, Lifen , Lin, Yue , Luo, Fang , Lin, Cuiying et al. Electrochemiluminescence sensor for organophosphorus pesticides based on the regulation of resonance energy transfer between negative charged gold nanorods and Ru(bpy)32+ . | TALANTA , 2025 , 281 . |
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The intracellular delivery of protein drugs via nanocarriers offers significant potential for expanding their therapeutic applications. However, the unintended activation of innate immune responses and inflammation triggered by the carriers presents a major challenge, often compromising therapeutic efficacy. Here, we present oligoethylenimine-thioketal (OEI-TK), a reactive oxygen species-responsive cationic polymer with intrinsic anti-inflammatory properties, to overcome this challenge. OEI-TK self-assembles electrostatically with bovine serum albumin (BSA) to form stable nanoparticles (OTB NPs) with excellent encapsulation efficiency. In vitro studies confirmed that OTB NPs retained OEI-TK's antioxidant and anti-inflammatory properties, enhanced biocompatibility, and efficiently delivered BSA into cells. Furthermore, OEI-TK facilitated the intracellular delivery of beta-galactosidase while preserving its enzymatic activity, demonstrating its potential for functional protein transport. These findings highlight OEI-TK as a promising platform with dual benefits of inflammation modulation and intracellular protein delivery, holding potential for the synergistic treatment of inflammation-related diseases.
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| GB/T 7714 | Wang, Yongming , Ming, Yangcan , Yu, Zhichao et al. ROS-Responsive Cationic Polymers with Intrinsic Anti-Inflammatory Activity for Intracellular Protein Delivery [J]. | BIOMACROMOLECULES , 2025 , 26 (4) : 2268-2281 . |
| MLA | Wang, Yongming et al. "ROS-Responsive Cationic Polymers with Intrinsic Anti-Inflammatory Activity for Intracellular Protein Delivery" . | BIOMACROMOLECULES 26 . 4 (2025) : 2268-2281 . |
| APA | Wang, Yongming , Ming, Yangcan , Yu, Zhichao , Xu, Zhenjin , Zou, Minglang , Chen, Cuiping et al. ROS-Responsive Cationic Polymers with Intrinsic Anti-Inflammatory Activity for Intracellular Protein Delivery . | BIOMACROMOLECULES , 2025 , 26 (4) , 2268-2281 . |
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Real time detection of hydrogen sulfide (H2S) in deep brain regions is of great significance. Photoelectrochemical (PEC) biosensors hold promise for real-time monitoring but low sensitivity due to the use of small electrode restrained its application. In this study, a miniaturized sensor that integrates organic photoelectrochemical transistors (OPECTs) with optical fiber (OF) microelectrodes was designed for the first time, which can amplify the small PEC signal into large channel current change. A conductive gold layer and cuprous oxide nanoparticles (Cu2O NPs) were sequentially deposited onto the OF, followed by a Nafion polymer coating to enhance anti-interference capabilities. Cu2O reacts with H2S to generate Cu2S. The resulting Cu2O/Cu2S heterojunction induces changes in the PEC signal and channel current. Compared to a conventional PEC system, the OPECT sensor has higher sensitivity and lower detection limit, enabling monitoring of H2S concentration fluctuations within the rat brain, which demonstrates the approach's capability for highly sensitive in vivo biomarker detection.
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| GB/T 7714 | Zeng, Yulan , Wang, Xinyang , Chen, Zhonghui et al. Target-Induced Chemical Reaction Modulated Optical Fiber-Gated Organic Photoelectrochemical Transistor for in Vivo H2S Detection [J]. | ANALYTICAL CHEMISTRY , 2025 , 97 (13) : 7467-7475 . |
| MLA | Zeng, Yulan et al. "Target-Induced Chemical Reaction Modulated Optical Fiber-Gated Organic Photoelectrochemical Transistor for in Vivo H2S Detection" . | ANALYTICAL CHEMISTRY 97 . 13 (2025) : 7467-7475 . |
| APA | Zeng, Yulan , Wang, Xinyang , Chen, Zhonghui , Luo, Fang , Qiu, Bin , Fu, Fengfu et al. Target-Induced Chemical Reaction Modulated Optical Fiber-Gated Organic Photoelectrochemical Transistor for in Vivo H2S Detection . | ANALYTICAL CHEMISTRY , 2025 , 97 (13) , 7467-7475 . |
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The persistence of T-2 toxin in food and feed matrices renders it a pervasive contaminant, impacting both human and animal health. Traditional detection methods suffer from cumbersome instrumentation and intricate procedures, rendering on-site detection of T-2 toxin unfeasible. Therefore, we have constructed a real-time detection method for T-2 toxin detection by employing a target-responsive DNA hydrogel in conjunction with potassium iodide starch test paper. This method integrates both colorimetric and distance-based signal outputs, offering a streamlined and effective approach for the on-site detection of T-2 toxin. The specific binding of the target to the aptamer in the DNA hydrogel results in the collapse of the hydrogels structure, which changes the viscosity of the system and released horseradish peroxidase in the hydrogel wrapped, and then produces blue-purple marks of different lengths on the starch iodide papers to achieve the specific detection of T-2 toxin. Under optimized conditions, the assay exhibits a detection range spanning from 10 ng/mL to 10 mg/mL for the toxin, with a detection limit of 12.83 ng/mL. The proposed method has been successfully applied for the detection of real corn samples with satisfied result. Such colorimetric-distance dual signal detection method offers notable advantages, including straightforward operation, clear signal interpretation, and practical utility. Its implementation enables rapid, on-the-spot detection of T-2 toxin, particularly beneficial in resource-limited regions and less developed countries.
Keyword ：
Point-of-care testing Point-of-care testing Starch iodide paper Starch iodide paper T-2 toxin T-2 toxin Target-responsive DNA hydrogel Target-responsive DNA hydrogel
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| GB/T 7714 | Deng, Ye , Lin, Jiarong , Wang, Jingxuan et al. Dual-signal point-of-care testing method for T-2 toxin utilizing target-responsive DNA hydrogel and starch iodide paper [J]. | MICROCHEMICAL JOURNAL , 2025 , 210 . |
| MLA | Deng, Ye et al. "Dual-signal point-of-care testing method for T-2 toxin utilizing target-responsive DNA hydrogel and starch iodide paper" . | MICROCHEMICAL JOURNAL 210 (2025) . |
| APA | Deng, Ye , Lin, Jiarong , Wang, Jingxuan , Lin, Yue , Luo, Fang , Weng, Zuquan et al. Dual-signal point-of-care testing method for T-2 toxin utilizing target-responsive DNA hydrogel and starch iodide paper . | MICROCHEMICAL JOURNAL , 2025 , 210 . |
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Multifunctional hydrogels hold significant promise for promoting the healing of infected wounds but often fall short in inhibiting antibiotic-resistant pathogens, and their clinical translation is limited by complex preparation processes and high costs. In this study, a multifunctional hydrogel is developed by combining metal-phenolic networks (MPNs) formed by tannic acid (TA) and gallium ions (Ga3+) with chitosan (CS) through a simple one-step method. The resulting CS-TA-Ga3+ (CTG) hydrogel is cost-effective and exhibits desirable properties, including injectability, self-healing, pH responsiveness, hemostasis, antioxidant, anti-inflammatory, and antibacterial activities. Importantly, the CTG hydrogels are effective against antibiotic-resistant pathogens due to the unique antibacterial mechanism of Ga3+. In vivo studies demonstrate that the CTG hydrogel promotes follicle formation and collagen deposition, accelerating the healing of infected wounds by inhibiting blood loss, suppressing bacterial growth, and modulating the inflammatory microenvironment. These findings highlight the CTG hydrogel's potential as an advanced and translational dressing for enhancing the healing of infected wounds.
Keyword ：
antibacterial antibacterial gallium ions gallium ions infected wound healing infected wound healing metal-phenolic network metal-phenolic network multifunctional hydrogel multifunctional hydrogel
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| GB/T 7714 | Zou, Minglang , Chen, Cuiping , Wang, Mingda et al. Facile Fabrication of Injectable Multifunctional Hydrogels Based on Gallium-Polyphenol Networks with Superior Antibacterial Activity for Promoting Infected Wound Healing [J]. | ADVANCED HEALTHCARE MATERIALS , 2025 , 14 (9) . |
| MLA | Zou, Minglang et al. "Facile Fabrication of Injectable Multifunctional Hydrogels Based on Gallium-Polyphenol Networks with Superior Antibacterial Activity for Promoting Infected Wound Healing" . | ADVANCED HEALTHCARE MATERIALS 14 . 9 (2025) . |
| APA | Zou, Minglang , Chen, Cuiping , Wang, Mingda , Lei, Chen , Wang, Yongming , Luo, Fang et al. Facile Fabrication of Injectable Multifunctional Hydrogels Based on Gallium-Polyphenol Networks with Superior Antibacterial Activity for Promoting Infected Wound Healing . | ADVANCED HEALTHCARE MATERIALS , 2025 , 14 (9) . |
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Changes in the charge density on the inner surface of the microchannel can modulate the ion concentration at the tip, thus causing changes in the resistance of the system. In this study, this property is adopted to construct a portable sensor using a multimeter and aflatoxin B1 (AFB1) is used as the model target. Initially, the cDNA/aptamer complex is modified in the microchannel. The inner microchannel surface's charge density is then altered by the recognition of the target, leading to a change in the system's resistance, which can be conveniently monitored using a multimeter. Critical parameters influencing the performance of the system are optimized. Under optimum conditions, the resistance is linearly related to the logarithm of AFB1 concentration in the range of 100 fM-10 nM and the detection limit is 46 fM (S/N = 3). The resistive measurement is separated from the recognition reaction of the target, reducing the matrix interference during the detection process. This sensor boasts high sensitivity and specificity coupled with commendable reproducibility and stability. It is applied to assay the AFB1 content successfully in an actual sample of corn. Moreover, this approach is cost-effective, user-friendly, and highly accurate.
Keyword ：
aflatoxin B1 aflatoxin B1 microchannel microchannel portablesensor portablesensor resistance resistance surface charge density surface charge density
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| GB/T 7714 | Cai, Huabin , Huang, Yanling , Lin, Yue et al. Portable Sensor for Aflatoxin B1 Based on the Regulation of Resistance of a Microchannel Using a Multimeter as Readout [J]. | ACS SENSORS , 2024 , 9 (1) : 494-501 . |
| MLA | Cai, Huabin et al. "Portable Sensor for Aflatoxin B1 Based on the Regulation of Resistance of a Microchannel Using a Multimeter as Readout" . | ACS SENSORS 9 . 1 (2024) : 494-501 . |
| APA | Cai, Huabin , Huang, Yanling , Lin, Yue , Luo, Fang , Chen, Lifen , Guo, Longhua et al. Portable Sensor for Aflatoxin B1 Based on the Regulation of Resistance of a Microchannel Using a Multimeter as Readout . | ACS SENSORS , 2024 , 9 (1) , 494-501 . |
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| GB/T 7714 | Wang, Liang , Cheng, Ying , Meftaul, Islam Md et al. Advancing Soil Health: Challenges and Opportunities in Integrating Digital Imaging, Spectroscopy, and Machine Learning for Bioindicator Analysis [J]. | ANALYTICAL CHEMISTRY , 2024 , 96 (20) : 8109-8123 . |
| MLA | Wang, Liang et al. "Advancing Soil Health: Challenges and Opportunities in Integrating Digital Imaging, Spectroscopy, and Machine Learning for Bioindicator Analysis" . | ANALYTICAL CHEMISTRY 96 . 20 (2024) : 8109-8123 . |
| APA | Wang, Liang , Cheng, Ying , Meftaul, Islam Md , Luo, Fang , Kabir, Muhammad Ashad , Doyle, Richard et al. Advancing Soil Health: Challenges and Opportunities in Integrating Digital Imaging, Spectroscopy, and Machine Learning for Bioindicator Analysis . | ANALYTICAL CHEMISTRY , 2024 , 96 (20) , 8109-8123 . |
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Curcumin (CUR) is a natural polyphenol that holds promise for treating ulcerative colitis (UC), yet oral administration of CUR exhibits limited bioavailability and existing formulations for oral delivery of CUR often suffer from unsatisfactory loading capacity. This study presents hydroxyethyl starch-curcumin microspheres (HCMSs) with excellent CUR loading capacity (54.52 %), and the HC-MSs can further encapsulate anti-inflammatory drugs dexamethasone (DEX) to obtain a combination formulation (DHC-MSs) with high DEX loading capacity (19.91 %), for combination therapy of UC. The microspheres were successfully engineered, retaining the antioxidative and anti-inflammatory activities of parental CUR and demonstrating excellent biocompatibility and controlled release properties, notably triggered by alpha-amylase, facilitating targeted drug delivery to inflamed sites. In a mouse UC model induced by dextran sulfate sodium, the microspheres effectively accumulated in inflamed colons and both HC-MSs and DHC-MSs exhibited superior therapeutic efficacy in alleviating UC symptoms compared to free DEX. Moreover, mechanistic exploration uncovered the multifaceted therapeutic mechanisms of these formulations, encompassing anti-inflammatory actions, mitigation of spleen enlargement, and modulation of gut microbiota composition. These findings underscore the potential of HC-MSs and DHC-MSs as promising formulations for UC, with implications for advancing treatment modalities for various inflammatory bowel disorders.
Keyword ：
Anti-inflammatory Anti-inflammatory Curcumin Curcumin Gut microbiota Gut microbiota Microspheres Microspheres Oral delivery Oral delivery Ulcerative colitis Ulcerative colitis
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| GB/T 7714 | Huang, Da , Wang, Yongming , Xu, Chenlan et al. Colon-targeted hydroxyethyl starch-curcumin microspheres with high loading capacity ameliorate ulcerative colitis via alleviating oxidative stress, regulating inflammation, and modulating gut microbiota [J]. | INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES , 2024 , 266 . |
| MLA | Huang, Da et al. "Colon-targeted hydroxyethyl starch-curcumin microspheres with high loading capacity ameliorate ulcerative colitis via alleviating oxidative stress, regulating inflammation, and modulating gut microbiota" . | INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES 266 (2024) . |
| APA | Huang, Da , Wang, Yongming , Xu, Chenlan , Zou, Minglang , Ming, Yangcan , Luo, Fang et al. Colon-targeted hydroxyethyl starch-curcumin microspheres with high loading capacity ameliorate ulcerative colitis via alleviating oxidative stress, regulating inflammation, and modulating gut microbiota . | INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES , 2024 , 266 . |
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Hydrogel dressings capable of infection monitoring and precise treatment administration show promise for advanced wound care. Existing methods involve embedd ingorganic dyes or flexible electronics into preformed hydrogels, which raise safety issues and adaptability challenges. In this study, an injectable hydrogel based smart wound dressing is developed by integrating food-derived anthocyanidin as a visual pH probe for infection monitoring and poly(L-lactic acid) microcapsules as ultrasound-responsive delivery systems for antibiotics into a poly(ethylene glycol) hydrogel. This straightforwardly prepared hydrogel dressing maintains its favorable properties for wound repair, including porous morphology and excellent biocompatibility. In vitro experiments demonstrated that the hydrogel enabled visual assessment of pH within the range of 5 similar to 9.Meanwhile, the release of antibiotics could be triggered and controlled by ultrasound. In vivo evaluations using infected wounds and diabetic wounds revealed that the wound dressing effectively detected wound infection by monitoring pH levels and achieved antibacterial effects through ultrasound-triggered drug release. This led to significantly enhanced wound healing, as validated by histological analysis and the measurement of inflammatory cytokine levels. This injectable hydrogel-based smart wound dressing holds great potential for use in clinical settings to inform timely and precise clinical intervention and in community to improve wound care management. The study presents an injectable hydrogel dressing with flexibility to fit irregularly shaped wounds and excellent biocompatibility for visual monitoring of infection and on-demand treatment. It utilizes food-derived anthocyanidin as a pH probe and poly(L-lactic acid) microcapsules for ultrasound-responsive drug delivery. In diabetic wounds, the dressing detects infections through pH monitoring and enhances healing via ultrasound-triggered drug release.image
Keyword ：
chronic wounds chronic wounds hydrogels hydrogels on-demand treatment on-demand treatment pH detection pH detection ultrasound responsive ultrasound responsive wound monitoring wound monitoring
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| GB/T 7714 | Huang, Da , Du, Jiahao , Luo, Fang et al. Injectable Hydrogels with Integrated Ph Probes and Ultrasound-Responsive Microcapsules as Smart Wound Dressings for Visual Monitoring and On-Demand Treatment of Chronic Wounds [J]. | ADVANCED HEALTHCARE MATERIALS , 2024 , 13 (9) . |
| MLA | Huang, Da et al. "Injectable Hydrogels with Integrated Ph Probes and Ultrasound-Responsive Microcapsules as Smart Wound Dressings for Visual Monitoring and On-Demand Treatment of Chronic Wounds" . | ADVANCED HEALTHCARE MATERIALS 13 . 9 (2024) . |
| APA | Huang, Da , Du, Jiahao , Luo, Fang , He, Gang , Zou, Minglang , Wang, Yongming et al. Injectable Hydrogels with Integrated Ph Probes and Ultrasound-Responsive Microcapsules as Smart Wound Dressings for Visual Monitoring and On-Demand Treatment of Chronic Wounds . | ADVANCED HEALTHCARE MATERIALS , 2024 , 13 (9) . |
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