Microfluidics and Nanofluidics最新文献

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Finger-actuated microfluidic chip for chlorine and copper ion detection in water 指控微流控芯片用于水中氯和铜离子的检测
IF 2.5 4区 工程技术
Microfluidics and Nanofluidics Pub Date : 2026-03-10 DOI: 10.1007/s10404-026-02887-y
Ming-Zhang Jiang, Yu-Si Wang, Ju-Nan Kuo
{"title":"Finger-actuated microfluidic chip for chlorine and copper ion detection in water","authors":"Ming-Zhang Jiang,&nbsp;Yu-Si Wang,&nbsp;Ju-Nan Kuo","doi":"10.1007/s10404-026-02887-y","DOIUrl":"10.1007/s10404-026-02887-y","url":null,"abstract":"<div>\u0000 \u0000 <p>Ensuring a safe and clean water supply is essential for public health and environmental sustainability. The presence of contaminants, such as residual chlorine and copper ions, can pose significant health risks. Thus, developing rapid and reliable water quality monitoring techniques is essential. Conventional laboratory-based methods are highly accurate but depend on expensive instrumentation and trained personnel, making them unsuitable for on-site applications. To address this problem, this study presents a finger-actuated microfluidic chip integrated with a smartphone-based colorimetric analysis system for the rapid on-site detection of residual chlorine and copper ions in water. The PDMS/glass hybrid device is fully power-independent and utilizes only manual finger pressure to propel the samples and reagents through the microchannel network. The device incorporates a square-wave microchannel design to enhance passive fluid mixing within the confined microscale environment. The simulation and experimental results demonstrate an excellent agreement, with mixing efficiencies of 98.5% and 95.5%, respectively. For quantitative detection, a 3D-printed cassette is combined with a custom-developed smartphone application to capture and process RGB color data in real-time. The calibration curves constructed using residual chlorine (0.6–6 ppm) and copper ion (0.25–2 ppm) control samples exhibit excellent linearity, with coefficients of determination (R²) of 0.9902 and 0.9867, respectively. Moreover, verification trials performed using real environmental water samples reveal relative errors lower than 10.0% for residual chlorine and 9.6% for copper ions, confirming both the reliability and practical applicability of the proposed system. Overall, the portable, power-free microfluidic platform provides a cost-efficient and user-friendly tool for decentralized water quality monitoring, offering a practical solution for enhancing public health protection in regions lacking access to conventional laboratory infrastructure.</p>\u0000 </div>","PeriodicalId":706,"journal":{"name":"Microfluidics and Nanofluidics","volume":"30 4","pages":""},"PeriodicalIF":2.5,"publicationDate":"2026-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147383158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Portable gradient colorimetry platform for rapid and accurate nitrite detection 便携式亚硝酸盐快速准确检测梯度比色仪平台
IF 2.5 4区 工程技术
Microfluidics and Nanofluidics Pub Date : 2026-03-06 DOI: 10.1007/s10404-026-02881-4
Longqian Zhang, Fang Wang, Yuan Gao, Zhenrong Xu, Jie Shu, Junke Wang, Li Zhang
{"title":"Portable gradient colorimetry platform for rapid and accurate nitrite detection","authors":"Longqian Zhang,&nbsp;Fang Wang,&nbsp;Yuan Gao,&nbsp;Zhenrong Xu,&nbsp;Jie Shu,&nbsp;Junke Wang,&nbsp;Li Zhang","doi":"10.1007/s10404-026-02881-4","DOIUrl":"10.1007/s10404-026-02881-4","url":null,"abstract":"<div><p>This study presents a portable and accurate nitrite detection system that integrates a differential gradient analysis with smartphone-assisted microfluidic colorimetry to improve detection efficiency and precision. A bidirectional concentration gradient was established via diffusion within a PDMS-based microfluidic chip, significantly reducing the dependency on standard calibration and shortening the total detection time to within 15 minutes. Sample images were captured using a smartphone camera, and nitrite concentrations were quantified through RGB color analysis using a custom-developed mobile application. The implementation of the differential colorimetric method significantly improved detection accuracy, particularly at low concentrations, reducing the measurement error from 9.12% (conventional methods) to 1.93%. The platform demonstrates compatibility with various smartphone models, thereby eliminating the need for bulky instrumentation or specialized training. These features collectively enhance its potential for rapid point-of-care testing. Overall, the proposed method offers a cost-effective and efficient solution for quantifying colorimetric-responsive analytes in resource-limited settings. The successful integration of microfluidic technology with smartphone-based analysis not only advances nitrite detection performance but also opens new avenues for detecting other analytes, underscoring its broad applicability in field applications.</p></div>","PeriodicalId":706,"journal":{"name":"Microfluidics and Nanofluidics","volume":"30 3","pages":""},"PeriodicalIF":2.5,"publicationDate":"2026-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147363160","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Role of electrothermal flow in electrokinetic particle trapping using nanofibers 电热流在纳米纤维电动力学粒子捕获中的作用
IF 2.5 4区 工程技术
Microfluidics and Nanofluidics Pub Date : 2026-03-06 DOI: 10.1007/s10404-026-02886-z
Tonoy K. Mondal, Stuart J. Williams
{"title":"Role of electrothermal flow in electrokinetic particle trapping using nanofibers","authors":"Tonoy K. Mondal,&nbsp;Stuart J. Williams","doi":"10.1007/s10404-026-02886-z","DOIUrl":"10.1007/s10404-026-02886-z","url":null,"abstract":"<div>\u0000 \u0000 <p>The integration of electrothermal (ET) flow with dielectrophoresis (DEP) presents a promising solution to overcome throughput limitations and extend the effective working range in microfluidic particle trapping, particularly when using nanofibers or similar sub micrometer electrode structures. This study examines the role of ET flow in enhancing DEP-based particle capture across various fiber diameters, Clausius-Mossotti factors, and medium conductivities through numerical investigations. A two-fiber model was used to analyze the electric, thermal, and flow fields, while particle trajectories were evaluated to quantify trapping efficiency. The results show that while smaller fibers produce higher electric field gradients, larger fibers yield greater trapping efficiency due to their increased capture area and longer particle residence time. Importantly, ET flow significantly improves trapping performance for submicron fibers by expanding the effective trapping region and directing particles into high electric field zones where they can be captured by DEP. This enhancement is most pronounced at moderate voltages (7.5–15 V), as the ET flow varies with the fourth power of the voltage and plays a dominant role in particle motion under weak DEP conditions. Furthermore, high-conductivity environments benefit greatly from ET-induced recirculation, enabling efficient trapping in scenarios where traditional DEP methods are less effective. These findings provide crucial insights for the design of scalable, high-throughput DEP systems that incorporate nanostructured electrodes and electrohydrodynamic enhancement.</p>\u0000 </div>","PeriodicalId":706,"journal":{"name":"Microfluidics and Nanofluidics","volume":"30 3","pages":""},"PeriodicalIF":2.5,"publicationDate":"2026-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147363159","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A packed-bed immobilized enzyme microreactor with high-efficiency enzyme assay for rapid detection of nerve agent exposure 带高效酶分析的填充床固定化酶微反应器用于神经毒剂暴露快速检测
IF 2.5 4区 工程技术
Microfluidics and Nanofluidics Pub Date : 2026-02-27 DOI: 10.1007/s10404-026-02884-1
Chang Liu, Jiatian Kong, Xuelin Zhang, Yulong Liu, Jianfeng Wu, Li Tian
{"title":"A packed-bed immobilized enzyme microreactor with high-efficiency enzyme assay for rapid detection of nerve agent exposure","authors":"Chang Liu,&nbsp;Jiatian Kong,&nbsp;Xuelin Zhang,&nbsp;Yulong Liu,&nbsp;Jianfeng Wu,&nbsp;Li Tian","doi":"10.1007/s10404-026-02884-1","DOIUrl":"10.1007/s10404-026-02884-1","url":null,"abstract":"<div><p>Organophosphorus nerve agents (OPNAs) can react with the tyrosine-411 residue of human serum albumin (HSA) in blood, producing phosphylated tyrosine adducts that can be used as long-lived biomarkers of nerve agent exposure. These adducts can be analyzed by liquid chromatography coupled to tandem mass-spectrometry (LC-MS/MS) after an enzymatic digestion step. The objective of this study was to develop an immobilized enzyme reactors (IMER) platform, in order to obtain a faster digestion of HSA than the conventional in-solution digestion (6–24 h). This study developed a packed-bed IMER platform based on γ‑Fe₂O₃ magnetic microbeads. The platform was first evaluated using α‑chymotrypsin (ChT) as a model enzyme. The resulting ChT@γ‑Fe₂O₃‑IMER showed enhanced catalytic activity and substrate affinity (Km = 0.25 mM) compared to the free enzyme (Km = 1.49 mM), along with good operational stability and repeatability. To demonstrate its specific practical utility in detection of nerve agent exposure, a pronase‑based IMER (Pronase@γ‑Fe₂O₃‑IMER) was fabricated for hydrolyzing phosphorylated albumin in exposed plasma. Multiple nerve agent adducts were successfully released from phosphorylated albumin within 1 h, which is six times faster than conventional solution digestion time. All the results show that the developed IMER platform offers a feasible method for rapid diagnostic analysis of protein biomarkers.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":706,"journal":{"name":"Microfluidics and Nanofluidics","volume":"30 3","pages":""},"PeriodicalIF":2.5,"publicationDate":"2026-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147342462","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Screen-printed biodegradable paper microtiter plate for multifunctional analysis of colorimetric assays 丝网印刷可生物降解纸微滴板,用于多功能比色分析
IF 2.5 4区 工程技术
Microfluidics and Nanofluidics Pub Date : 2026-02-27 DOI: 10.1007/s10404-026-02882-3
Diksha Maheswari, Madhurima Borah, Ankur Dip Boruah, Jyoti Lakshmi Hati Boruah, Dipankar Neog, Manash R Das, Hemant Sankar Dutta
{"title":"Screen-printed biodegradable paper microtiter plate for multifunctional analysis of colorimetric assays","authors":"Diksha Maheswari,&nbsp;Madhurima Borah,&nbsp;Ankur Dip Boruah,&nbsp;Jyoti Lakshmi Hati Boruah,&nbsp;Dipankar Neog,&nbsp;Manash R Das,&nbsp;Hemant Sankar Dutta","doi":"10.1007/s10404-026-02882-3","DOIUrl":"10.1007/s10404-026-02882-3","url":null,"abstract":"<div><p>The fabrication process described herein offers a straightforward and cost-effective alternative to traditional methods, thereby eliminating the need for complex instrumentation. This approach addresses the increasing demand for environmentally sustainable laboratory solutions by employing biodegradable materials to fabricate paper-based analytical devices. This study presents a straightforward, instrument-free screen-printing technique for fabricating biodegradable paper-based microtiter plates. The devices are constructed from a patterned cellulose substrate coated with a hydrophobic polycaprolactone (PCL) polymer. This coating is precisely configured to define discrete hydrophilic wells, establish lateral hydrophobic barriers, and form a continuous hydrophobic backing layer, thereby achieving effective spatial isolation of the hydrophilic regions. Clear and well-defined interfaces were observed between hydrophilic and hydrophobic zones. The method demonstrated a minimum channel width of 513 ± 16 μm for delivering aqueous samples. The process has high reliability in fabrication, with a strong linear correlation (R<sup>2</sup> = 0.99) observed between the set and actual widths. The fabricated paper microtiter plates were evaluated through colorimetric assays for Bovine Serum Albumin, glucose, and phosphate, utilizing a standard microplate reader and a flatbed scanner. The results exhibited a strong correlation (R² = 0.98) between the two measurement platforms and demonstrated good agreement with absorbance values obtained using commercial well plates. These findings underscore the effectiveness of the proposed method for fabricating paper microtiter plates, which offer a cost-effective and disposable alternative to conventional well plates, offering comparable analytical performances.</p></div>","PeriodicalId":706,"journal":{"name":"Microfluidics and Nanofluidics","volume":"30 3","pages":""},"PeriodicalIF":2.5,"publicationDate":"2026-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147342461","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Efficient lithium extraction from oilfield produced water using a 3D-printed microfluidic device 使用3d打印微流体装置从油田采出水中高效提取锂
IF 2.5 4区 工程技术
Microfluidics and Nanofluidics Pub Date : 2026-02-25 DOI: 10.1007/s10404-026-02879-y
Saeed Bahadorikhalili, Yun Zhu, Hadi Nasrabadi
{"title":"Efficient lithium extraction from oilfield produced water using a 3D-printed microfluidic device","authors":"Saeed Bahadorikhalili,&nbsp;Yun Zhu,&nbsp;Hadi Nasrabadi","doi":"10.1007/s10404-026-02879-y","DOIUrl":"10.1007/s10404-026-02879-y","url":null,"abstract":"<div>\u0000 \u0000 <p>The increasing global demand for lithium, driven by the rapid expansion of electric vehicles and renewable energy storage technologies, necessitates the development of sustainable and efficient extraction methods beyond conventional mining and brine evaporation. Produced water (PW), a high-salinity byproduct of oil and gas operations, has emerged as a promising yet underutilized secondary source of lithium. In this study, we present a novel microfluidic extraction platform based on a 3D-printed Y-shaped slug flow reactor for selective lithium recovery from synthetic and real PW samples. The device was fabricated using stereolithography (SLA) 3D printing and polydimethylsiloxane (PDMS) casting, enabling precise control over channel geometry and fluid behavior. Bis(2,4,4-trimethylpentyl) phosphinic acid dissolved in decane with 2% hexanol was employed as the organic extractant phase. Optimization studies revealed that lithium extraction efficiency peaked at pH 6.0, with a maximum recovery of 89% from synthetic solutions. The platform also demonstrated effective performance across varying lithium concentrations, with measurable recovery observed even at 20 mg/L. When applied to real PW samples containing 136 mg/L lithium and high concentrations of competing ions, the system achieved 36% recovery, which increased to 75.7% following selective removal of divalent cations. The microfluidic system outperformed traditional methods in terms of selectivity, reagent economy, and operational speed, while offering a scalable and environmentally friendly alternative for lithium recovery. This work establishes a foundation for the integration of microfluidic extraction with pre-treatment strategies, highlighting its potential for deployment in critical mineral recovery from industrial waste streams.</p>\u0000 </div>","PeriodicalId":706,"journal":{"name":"Microfluidics and Nanofluidics","volume":"30 3","pages":""},"PeriodicalIF":2.5,"publicationDate":"2026-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10404-026-02879-y.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147342229","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Deep learning-driven correction of motion-induced artifacts in microfluidic on-chip fluorescence microscopy for robust cell classification 基于深度学习的微流控片上荧光显微镜运动伪影校正,用于稳健的细胞分类
IF 2.5 4区 工程技术
Microfluidics and Nanofluidics Pub Date : 2026-02-24 DOI: 10.1007/s10404-026-02880-5
K. Santhi, GV. Shrichandran, K. Indhumathi, Gayathry S. Warrier, S. Sudha, A. Rajaram
{"title":"Deep learning-driven correction of motion-induced artifacts in microfluidic on-chip fluorescence microscopy for robust cell classification","authors":"K. Santhi,&nbsp;GV. Shrichandran,&nbsp;K. Indhumathi,&nbsp;Gayathry S. Warrier,&nbsp;S. Sudha,&nbsp;A. Rajaram","doi":"10.1007/s10404-026-02880-5","DOIUrl":"10.1007/s10404-026-02880-5","url":null,"abstract":"<div><p>Fluorescence microscopy combined with microfluidic platforms allows for the analysis of single cells and the whole biomedical process to be done at high speed, however, it is often a very delicate method that can be heavily affected by motion-induced distortions during the high-speed flow. These artifacts, such as motion blur, misalignment, and shape deformation significantly lower automatical accuracy of the cell classification. The suggested research suggests that on-chip fluorescence microscopy employs an AI-based framework of distortion correction using Vision Transformers (ViT) and Generative Adversarial Networks (GAN) to remove motion artifacts in real-time. The combination of the GAN-ViT architecture does not only manage to reconstruct image quality but also to preserve fine cellular features when flowing system rates increase to 200 4 L/min, which provide PSNR = 38.6 dB and SSIM = 0.98. When the system was used in both synthetic and experimental microfluidic data, it was able to reach a classification accuracy of 99.9, thereby indicating consistency in the system despite varying flow rates. The speed of the framework is 950 frames per second (fps), almost equal to the 1000-fps smartphone camera acquisition rate, thereby, demonstrating its suitability to the real-time, high-throughput imaging. As opposed to the past CNN or transformer techniques, a hybrid GAN-ViT architecture offered by the authors of this study directly implements in the imaging pipeline, thus enabling the simultaneous motion correction and diagnostic classification to occur immediately. The study results highlight the fact that AI-based distortion correction not only increases the accuracy of the diagnosis, but also personnel and laboratory response in microfluidic fluorescence microscopy.</p></div>","PeriodicalId":706,"journal":{"name":"Microfluidics and Nanofluidics","volume":"30 3","pages":""},"PeriodicalIF":2.5,"publicationDate":"2026-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147341739","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Experimental investigation of CO2 laser fabrication of microchannels on aluminium-coated polymethyl methacrylate (PMMA) using response surface methodology 响应面法研究CO2激光制备铝包覆聚甲基丙烯酸甲酯(PMMA)微通道的实验研究
IF 2.5 4区 工程技术
Microfluidics and Nanofluidics Pub Date : 2026-02-24 DOI: 10.1007/s10404-026-02877-0
Job Lazarus Okello, Ahmed M. R. Fath El-Bab, Masahiko Yoshino, Hassan A. El-Hofy
{"title":"Experimental investigation of CO2 laser fabrication of microchannels on aluminium-coated polymethyl methacrylate (PMMA) using response surface methodology","authors":"Job Lazarus Okello,&nbsp;Ahmed M. R. Fath El-Bab,&nbsp;Masahiko Yoshino,&nbsp;Hassan A. El-Hofy","doi":"10.1007/s10404-026-02877-0","DOIUrl":"10.1007/s10404-026-02877-0","url":null,"abstract":"<div><p>The growth of microfluidics has greatly increased the demand for microfluidic products. CO<sub>2</sub> lasers are being extensively employed to manufacture microfluidic devices using PMMA because of the flexibility, versatility, and cost-effectiveness involved. However, defining the relationships among the input parameters and responses, and getting the optimum results are challenging. Techniques of design of experiments like the Taguchi method, response surface methodology (RSM), and 2-level factorial design help to achieve optimum results. In this work, RSM based on the central composite design was employed to investigate the effect of the laser power (1.5, 3.0, and 4.5 W), scanning speed (10, 15, and 20 mm/s), and pulse rate (800, 900 and 1000 pulses per inch) on the microchannel depth, width, aspect ratio, and heat-affected zone (HAZ), during CO<sub>2</sub> laser fabrication of microchannels on PMMA substrates coated with a 500 nm layer of 99.95% pure aluminium. A total of 54 experiments were conducted, full quadratic models were developed, and multi-objective optimization was done. The optimization results were validated experimentally, and a repeatability test was performed using the optimum conditions. Using analysis of variance (ANOVA), the models were tested at a 95% confidence interval, and the significance of the parameters was determined. The laser power is the most significant factor followed by the scanning speed and pulse rate. The models are adequate with small absolute prediction errors of 2.21%, 1.54%, 2.53%, and 2.87% for the microchannel width, depth, aspect ratio, and HAZ respectively. For every response, the repeatability result is high with a small standard deviation of 1.809, 1.358, 0.022, and 1.949 of the microchannel width, depth, aspect ratio, and HAZ respectively. The models can be used by manufacturing engineers to efficiently predict the microchannel characteristics.</p></div>","PeriodicalId":706,"journal":{"name":"Microfluidics and Nanofluidics","volume":"30 3","pages":""},"PeriodicalIF":2.5,"publicationDate":"2026-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147341738","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Lab-on-a-chip systems for modelling peripheral nerve injury and neurodegenerative disease: state of the art and beyond 模拟周围神经损伤和神经退行性疾病的芯片上的实验室系统:最先进的状态和超越
IF 2.5 4区 工程技术
Microfluidics and Nanofluidics Pub Date : 2026-02-23 DOI: 10.1007/s10404-026-02883-2
Aleksandra Reluga, Magdalena Flont, Elżbieta Jastrzębska, Anika Nagelkerke, Marina Trombetta-Lima, Katarzyna Nawrotek
{"title":"Lab-on-a-chip systems for modelling peripheral nerve injury and neurodegenerative disease: state of the art and beyond","authors":"Aleksandra Reluga,&nbsp;Magdalena Flont,&nbsp;Elżbieta Jastrzębska,&nbsp;Anika Nagelkerke,&nbsp;Marina Trombetta-Lima,&nbsp;Katarzyna Nawrotek","doi":"10.1007/s10404-026-02883-2","DOIUrl":"10.1007/s10404-026-02883-2","url":null,"abstract":"<div><p>Lab-on-a-chip (LoC) systems have emerged as powerful tools for modelling peripheral nerve injury and neurodegenerative disease, offering advantages over traditional in vitro and in vivo models. Microfluidic devices enable the controlled manipulation of the neuronal environment, the visualization of single-cell behaviour, and the quantification of neuron-glia interactions. Recent advancements include the peripheral nerve injury-on-a-chip, which combines aligned nanofibers with microfluidics for high-speed screening of biomaterials and drugs to enhance nerve regeneration. These platforms allow for studying axonal biology, regeneration processes, and the effects of topographical cues on axonal growth. Additionally, LoC devices have been developed to model neurodegenerative disorders of the peripheral nervous system, facilitating drug discovery and mechanistic studies. The review examines the anatomy of peripheral nerve tissue and explores the current understanding of the biochemical processes involved in the body’s response to nerve damage. Next, it discusses recent advancements in modelling transection injuries and neurodegenerative diseases in the peripheral nervous system using LoC systems. Finally, the review addresses the current limitations of these models, explores potential solutions, and highlights future directions for developing more sophisticated and physiologically relevant LoC models for neural tissue engineering research and the development of potential therapies for peripheral nerve injuries and neurodegenerative disease.</p><h3>Graphical abstract</h3><p>Lab-on-a-chip (LoC) systems represent a significant advancement in modeling peripheral nerve injuries and neurodegenerative diseases. These platforms enable precise manipulation of neuronal environments and single-cell analysis, enhancing studies on nerve regeneration. The review discusses advancements in modeling transection injuries and neurodegenerative diseases with LoC systems, addressing limitations, potential solutions, and future directions for better neural tissue engineering and therapy development.</p><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":706,"journal":{"name":"Microfluidics and Nanofluidics","volume":"30 3","pages":""},"PeriodicalIF":2.5,"publicationDate":"2026-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147341097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Photoporation reimagined: microfluidic paradigm for precision and safe intracellular delivery of large cargos 光穿孔重新想象:微流控范式的精度和安全的大货物的细胞内输送
IF 2.5 4区 工程技术
Microfluidics and Nanofluidics Pub Date : 2026-02-16 DOI: 10.1007/s10404-026-02875-2
Ashwini Surendra Shinde, Srabani Kar, Tuhin Subhra Santra
{"title":"Photoporation reimagined: microfluidic paradigm for precision and safe intracellular delivery of large cargos","authors":"Ashwini Surendra Shinde,&nbsp;Srabani Kar,&nbsp;Tuhin Subhra Santra","doi":"10.1007/s10404-026-02875-2","DOIUrl":"10.1007/s10404-026-02875-2","url":null,"abstract":"<div>\u0000 \u0000 <p>Efficient and safe intracellular delivery remains a major challenge in biotechnology and medicine, especially for large biomolecules such as plasmids, RNP complexes, and proteins. Conventional physical and chemical approaches often compromise cell viability, scalability, or molecular integrity. Photoporation, using laser-induced transient membrane permeabilization, has emerged as a precise, contact-free alternative, enabling localized and minimally invasive delivery. However, traditional photoporation systems are limited by low throughput and poor reproducibility. Integrating photoporation with microfluidic technology addresses these bottlenecks by combining optical precision with hydrodynamic control, enabling uniform exposure, high throughput, and tunable pore dynamics. This review discusses recent advances in microfluidic photoporation platforms, focusing on material-assisted designs, mechanistic insights, and delivery outcomes across diverse cargo sizes. The challenges of laser energy optimization, nanoparticle variability, and clinical scalability are critically examined, alongside emerging opportunities such as AI-assisted feedback control and organ-on-chip validation. By bridging optical engineering, microfluidics, and cell biology, microfluidic photoporation holds transformative potential for next-generation intracellular delivery, cell therapy manufacturing, and precision medicine.</p>\u0000 </div>","PeriodicalId":706,"journal":{"name":"Microfluidics and Nanofluidics","volume":"30 3","pages":""},"PeriodicalIF":2.5,"publicationDate":"2026-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147339242","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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