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Ravindra Babu M, Vishwas S, Gulati M, Dua K, Kumar Singh S. Harnessing the role of microneedles as sensors: current status and future perspectives. Drug Discov Today 2024; 29:104030. [PMID: 38762087 DOI: 10.1016/j.drudis.2024.104030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 05/02/2024] [Accepted: 05/13/2024] [Indexed: 05/20/2024]
Abstract
In recent years, microneedles (MNs) have been transformed to serve a wide range of applications in the biomedical field. Their role as sensors in wearable devices has provided an alternative to blood-based monitoring of health and diagnostic methods. Hence, they have become a topic of research interest for several scientists working in the biomedical field. These MNs as sensors offer the continuous monitoring of biomarkers like glucose, nucleic acids, proteins, polysaccharides and electrolyte ions, which can therefore screen for and diagnose disease conditions in humans. The present review focuses on types of MN sensors and their applications. Various clinical trials and bottlenecks of MN R&D are also discussed.
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Affiliation(s)
- Molakpogu Ravindra Babu
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, 144411 Punjab, India
| | - Sukriti Vishwas
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, 144411 Punjab, India
| | - Monica Gulati
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, 144411 Punjab, India; Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, NSW 2007, Australia
| | - Kamal Dua
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, NSW 2007, Australia; Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW 2007, Australia
| | - Sachin Kumar Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, 144411 Punjab, India; Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, NSW 2007, Australia; School of Medical and Life Sciences, Sunway University, 47500 Sunway City, Malaysia.
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2
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Ertas YN, Ertas D, Erdem A, Segujja F, Dulchavsky S, Ashammakhi N. Diagnostic, Therapeutic, and Theranostic Multifunctional Microneedles. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2308479. [PMID: 38385813 DOI: 10.1002/smll.202308479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 01/04/2024] [Indexed: 02/23/2024]
Abstract
Microneedles (MNs) have maintained their popularity in therapeutic and diagnostic medical applications throughout the past decade. MNs are originally designed to gently puncture the stratum corneum layer of the skin and have lately evolved into intelligent devices with functions including bodily fluid extraction, biosensing, and drug administration. MNs offer limited invasiveness, ease of application, and minimal discomfort. Initially manufactured solely from metals, MNs are now available in polymer-based varieties. MNs can be used to create systems that deliver drugs and chemicals uniformly, collect bodily fluids, and are stimulus-sensitive. Although these advancements are favorable in terms of biocompatibility and production costs, they are insufficient for the therapeutic use of MNs. This is the first comprehensive review that discusses individual MN functions toward the evolution and development of smart and multifunctional MNs for a variety of novel and impactful future applications. The study examines fabrication techniques, application purposes, and experimental details of MN constructs that perform multiple functions concurrently, including sensing, drug-molecule release, sampling, and remote communication capabilities. It is highly likely that in the near future, MN-based smart devices will be a useful and important component of standard medical practice for different applications.
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Affiliation(s)
- Yavuz Nuri Ertas
- Department of Biomedical Engineering, Erciyes University, Kayseri, 38039, Türkiye
- ERNAM-Nanotechnology Research and Application Center, Erciyes University, Kayseri, 38039, Türkiye
- UNAM-National Nanotechnology Research Center, Bilkent University, Ankara, 06800, Türkiye
| | - Derya Ertas
- ERNAM-Nanotechnology Research and Application Center, Erciyes University, Kayseri, 38039, Türkiye
| | - Ahmet Erdem
- Department of Biomedical Engineering, Kocaeli University, Umuttepe Campus, Kocaeli, 41380, Türkiye
- Department of Chemistry, Kocaeli University, Umuttepe Campus, Kocaeli, 41380, Türkiye
| | - Farouk Segujja
- Department of Biomedical Engineering, Kocaeli University, Umuttepe Campus, Kocaeli, 41380, Türkiye
| | - Scott Dulchavsky
- Department of Surgery, Henry Ford Health, Detroit, MI, 48201, USA
| | - Nureddin Ashammakhi
- Institute for Quantitative Health Science and Engineering (IQ) and Department of Biomedical Engineering (BME), Colleges of Engineering and Human Medicine, Michigan State University, East Lansing, MI, 48824, USA
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Hatami-Fard G, Anastasova-Ivanova S. Advancements in Cerebrospinal Fluid Biosensors: Bridging the Gap from Early Diagnosis to the Detection of Rare Diseases. SENSORS (BASEL, SWITZERLAND) 2024; 24:3294. [PMID: 38894085 PMCID: PMC11174891 DOI: 10.3390/s24113294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 05/13/2024] [Accepted: 05/17/2024] [Indexed: 06/21/2024]
Abstract
Cerebrospinal fluid (CSF) is a body fluid that can be used for the diagnosis of various diseases. However, CSF collection requires an invasive and painful procedure called a lumbar puncture (LP). This procedure is applied to any patient with a known risk of central nervous system (CNS) damage or neurodegenerative disease, regardless of their age range. Hence, this can be a very painful procedure, especially in infants and elderly patients. On the other hand, the detection of disease biomarkers in CSF makes diagnoses as accurate as possible. This review aims to explore novel electrochemical biosensing platforms that have impacted biomedical science. Biosensors have emerged as techniques to accelerate the detection of known biomarkers in body fluids such as CSF. Biosensors can be designed and modified in various ways and shapes according to their ultimate applications to detect and quantify biomarkers of interest. This process can also significantly influence the detection and diagnosis of CSF. Hence, it is important to understand the role of this technology in the rapidly progressing field of biomedical science.
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Affiliation(s)
- Ghazal Hatami-Fard
- The Hamlyn Centre, Imperial College London, South Kensington Campus, London SW7 2AZ, UK
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Poudineh M. Microneedle Assays for Continuous Health Monitoring: Challenges and Solutions. ACS Sens 2024; 9:535-542. [PMID: 38350235 DOI: 10.1021/acssensors.3c02279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2024]
Abstract
Continuous health monitoring aims to reduce hospitalization and the need for constant supervision of the patients. For an outpatient monitoring device to be effective, it must meet certain criteria: it should demand minimal patient involvement, be reliable, be connected, remain stable with infrequent replacements, be cost-efficient, be compatible with humans, and ultimately be self-powered. Microneedle (MN) technology, designed for transdermal biosensing, offers a promising solution for meeting a wide range of these demands in the field of continuous health monitoring. A variety of MN platforms have been developed to facilitate this crucial function. Our focus in this Perspective is on the significant challenges linked to MN-based biosensors. These challenges include ensuring skin compatibility, the effective integration of biorecognition elements into the MN systems, and the durability concerns of these sensors in enabling extended periods of continuous monitoring. Tackling these hurdles could pave the way for more effective and reliable MN-based health monitoring solutions in the future.
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Affiliation(s)
- Mahla Poudineh
- Department of Electrical and Computer Engineering, Faculty of Engineering, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
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Wang X, Wang Z, Xiao M, Li Z, Zhu Z. Advances in biomedical systems based on microneedles: design, fabrication, and application. Biomater Sci 2024; 12:530-563. [PMID: 37971423 DOI: 10.1039/d3bm01551c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
Wearable devices have become prevalent in biomedical studies due to their convenient portability and potential utility in biomarker monitoring for healthcare. Accessing interstitial fluid (ISF) across the skin barrier, microneedle (MN) is a promising minimally invasive wearable technology for transdermal sensing and drug delivery. MN has the potential to overcome the limitations of conventional transdermal drug administration, making it another prospective mode of drug delivery after oral and injectable. Subsequently, combining MN with multiple sensing approaches has led to its extensive application to detect biomarkers in ISF. In this context, employing MN platforms and control schemes to merge diagnostic and therapeutic capabilities into theranostic systems will facilitate on-demand therapy and point-of-care diagnostics, paving the way for future MN technologies. A comprehensive analysis of the growing advances of microneedles in biomedical systems is presented in this review to summarize the latest studies for academics in the field and to offer for reference the issues that need to be addressed in MN application for healthcare. Covering an array of novel studies, we discuss the following main topics: classification of microneedles in the biomedical field, considerations of MN design, current applications of microneedles in diagnosis and therapy, and the regulatory landscape and prospects of microneedles for biomedical applications. This review sheds light on the significance of microneedle-based innovations, presenting an analysis of their potential implications and contributions to the community of wearable healthcare technologies. The review provides a comprehensive understanding of the field's current state and potential, making it a valuable resource for academics and clinicians seeking to harness the full potential of MN applications.
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Affiliation(s)
- Xinghao Wang
- School of Health Science and Engineering, University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai 200093, China.
| | - Zifeng Wang
- School of Health Science and Engineering, University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai 200093, China.
| | - Min Xiao
- School of Health Science and Engineering, University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai 200093, China.
| | - Zhanhong Li
- School of Health Science and Engineering, University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai 200093, China.
| | - Zhigang Zhu
- School of Health Science and Engineering, University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai 200093, China.
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Zhang B, Mumtaz F, Roman M, Alla DR, Gerald Ii RE, Huang J. Miniaturized fluorescence pH sensor with assembly free ball lens on a tapered multimode optical fiber. OPTICS EXPRESS 2024; 32:4228-4241. [PMID: 38297628 DOI: 10.1364/oe.511190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 01/06/2024] [Indexed: 02/02/2024]
Abstract
In biochemistry, the absence of a compact, assembly-free pH sensor with high sensitivity and signal-to-noise ratio has been a persistent hurdle in achieving accurate pH measurements in real time, particularly in complex liquid environments. This manuscript introduces what we believe to be a novel solution in the form of a miniaturized pH sensor utilizing an assembly-free ball lens on a tapered multimode optical fiber (TMMF), offering the potential to revolutionize pH sensing in biochemical applications. A multimode optical fiber (MMF) was subjected to tapering processes, leading to the creation of an ultra-thin needle-like structure with a cross-sectional diameter of about 12.5 µm and a taper length of 3 mm. Subsequently, a ball lens possessing a diameter of 20 µm was fabricated at the apex of the taper. The resultant structure was coated utilizing the dip-coating technique, involving a composite mixture of epoxy and pH-sensitive dye, 2',7'-bis(2-carboxyethyl)-5-(and-6)-carboxyfluorescein (BCECF), thereby ensconcing the tapered ball lens with dye molecules for pH sensing. This study encompassed the fabrication and evaluation of six distinct fiber structures, incorporating the cleaved endface, the convex lens, and the ball lens structures to compare light focal lengths and propagation intensities. Computational simulations and numerical analyses were conducted to elucidate the encompassing light focal distances across the full array of lens configurations. The efficacy of the proposed pH sensor was subsequently assessed through its deployment within a complex liquid medium spanning a pH spectrum ranging from 6 to 8. Real-time data acquisition was performed with a fast response time of 0.5 seconds. A comparative analysis with a pH sensor predicated upon a single TMMF embedded with the fluorescent dye underscored the substantial signal enhancement achieved by the proposed system twice the fluorescence signal magnitude. The proposed assembly-free miniaturized pH sensor not only substantiates enhanced signal collection efficiency but also decisively addresses the persistent challenges of poor signal-to-noise ratio encountered within contemporary miniaturized pH probes.
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Liu Y, Duan W, Li H, Wu J, Liu D, Mi J, Qi S, Ren C, Chen H. Red Emission Carbon Nanoparticles Which Can Simultaneously Responding to Hypochlorite and pH. J Fluoresc 2023:10.1007/s10895-023-03517-4. [PMID: 37999858 DOI: 10.1007/s10895-023-03517-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 11/15/2023] [Indexed: 11/25/2023]
Abstract
Multi-targets detection has obtained much attention because this sensing mode can realize the detection of multi-targets simultaneously, which is helpful for biomedical analysis. Carbon nanoparticles have attracted extensive attention due to their superior optical and chemical properties, but there are few reports about red emission carbon nanoparticles for simultaneous detection of multi-targets. In this paper, a red emission fluorescent carbon nanoparticles were prepared by 1, 2, 4-triaminobenzene dihydrochloride at room temperature. The as-prepared red emission fluorescent carbon nanoparticles exhibited strong emission peak located at 635 nm with an absolute quantum yield up to 24%. They showed excellent solubility, high photostability and good biocompatibility. Furthermore, it could sensitively and selectively response to hypochlorite and pH, thus simultaneous detection of hypochlorite and pH was achieved by combining the red emission fluorescent carbon nanoparticles with computational chemistry. The formation mechanisms of red emission fluorescent carbon nanoparticles and their response to hypochlorite and pH were investigated, respectively.
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Affiliation(s)
- Yinghua Liu
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, People's Republic of China
| | - Wenxiu Duan
- School of Life Sciences, University of Science and Technology of China, Hefei, 230027, People's Republic of China
| | - Huiqing Li
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, People's Republic of China
| | - Jiang Wu
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, People's Republic of China
| | - Dan Liu
- School of Life Sciences, University of Science and Technology of China, Hefei, 230027, People's Republic of China
| | - Jiaying Mi
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, People's Republic of China
| | - Shengda Qi
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, People's Republic of China.
| | - Cuiling Ren
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, People's Republic of China.
| | - Hongli Chen
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, People's Republic of China
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McCann C, Gilpin V, Scott C, Pourshahidi LK, Gill CIR, Davis J. Moving towards in pouch diagnostics for ostomy patients: exploiting the versatility of laser induced graphene sensors. JOURNAL OF MATERIALS SCIENCE 2023; 58:14207-14219. [PMID: 37745186 PMCID: PMC10511578 DOI: 10.1007/s10853-023-08881-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 08/18/2023] [Indexed: 09/26/2023]
Abstract
The development of a 3D printed sensor for direct incorporation within stoma pouches is described. Laser induced graphene scribed on either side of polyimide film served as the basis of a 2 electrode configuration that could be integrated within a disposable pouch sensor for the periodic monitoring of ileostomy fluid pH. The graphene sensors were characterised using electron microscopy, Raman spectroscopy, DekTak profilometry with the electrochemical properties investigated using both cyclic and square wave voltammetry. Adsorbed riboflavin was employed as a biocompatible redox probe for the voltammetric measurement of pH. The variation in peak position with pH was found to be linear over pH 3-8 with a sub Nernstian response (43 mV/pH). The adsorbed probe was found to be reversible and exhibited minimal leaching through repeated scanning. The performance of the system was assessed in a heterogeneous bacterial fermentation mixture simulating ileostomy fluid with the pH recorded before and after 96 h incubation. The peak profile in the bacterial medium provided an unambiguous signal free from interference with the calculated pH before and after incubation (pH 5.3 to 3.66) in good agreement with that obtained with commercial pH probes. Graphical abstract Supplementary Information The online version contains supplementary material available at 10.1007/s10853-023-08881-x.
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Affiliation(s)
- Conor McCann
- School of Engineering, Ulster University, Belfast, Northern Ireland
| | - Victoria Gilpin
- School of Engineering, Ulster University, Belfast, Northern Ireland
| | - Cameron Scott
- School of Engineering, Ulster University, Belfast, Northern Ireland
| | | | - Chris. I. R. Gill
- School of Biomedical Sciences, Ulster University, Coleraine, Northern Ireland
| | - James Davis
- School of Engineering, Ulster University, Belfast, Northern Ireland
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Garg M, Jain N, Kaul S, Rai VK, Nagaich U. Recent advancements in the expedition of microneedles: from lab worktops to diagnostic care centers. Mikrochim Acta 2023; 190:301. [PMID: 37464230 DOI: 10.1007/s00604-023-05859-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 05/30/2023] [Indexed: 07/20/2023]
Abstract
Microneedle (MN) technology plays a significant role in bioengineering as it allows for minimally invasive exposure to the skin via the non-invasive procedure, increased drug permeability, and improved biological molecule detectability in the epidermal layers, all while improving therapeutic safety and effectiveness. However, MNs have several significant drawbacks, including difficulty scaling up, variability in drug delivery pattern regarding the skin's external environment, blockage of dermal tissues, induction of inflammatory response at the administration site, and limitation of dosing based on the molecular weight of drug and size. Despite these drawbacks, MNs have emerged as a special transdermal theranostics instrument in clinical research to assess physiological parameters. Bioimaging technology relies on microneedles that can measure particular analytes in the extracellular fluid effectively by crossing the stratum corneum, making them "a unique tool in diagnostics detection and therapeutic application inside the body." This review article discusses the recent advances in the applications especially related to the diagnostics and toxicity challenges of microneedles. In addition, this review article discusses the clinical state and commercial accessibility of microneedle technology-based devices in order to provide new information to scientists and researchers.
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Affiliation(s)
- Megha Garg
- Department of Pharmaceutics, Amity Institute of Pharmacy, Amity University, Noida, India
| | - Neha Jain
- Department of Pharmaceutics, Amity Institute of Pharmacy, Amity University, Noida, India.
| | - Shreya Kaul
- Department of Pharmaceutics, Amity Institute of Pharmacy, Amity University, Noida, India
| | - Vineet Kumar Rai
- School of Pharmaceutical Sciences, Siksha 'o' Anusandhan University, Bhubaneswar, Odisha, 751003, India
| | - Upendra Nagaich
- Department of Pharmaceutics, Amity Institute of Pharmacy, Amity University, Noida, India.
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Xu J, Yang B, Kong J, Zhang Y, Fang X. Real-Time Monitoring and Early Warning of a Cytokine Storm In Vivo Using a Wearable Noninvasive Skin Microneedle Patch. Adv Healthc Mater 2023; 12:e2203133. [PMID: 36857411 DOI: 10.1002/adhm.202203133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 02/09/2023] [Indexed: 03/02/2023]
Abstract
A cytokine storm may be the last attack of various diseases, such as sepsis, cancer, and coronavirus disease 2019, that can be life threatening. Real-time monitoring of cytokines in vivo is helpful for assessing the immune status of patients and providing an early warning of a cytokine storm. In this study, a functional carbon nanotube biointerface-based wearable microneedle patches for real-time monitoring of a cytokine storm in vivo via electrochemical analysis are reported. This wearable system has sensitivity with a detection limit of 0.54 pg mL-1 , high specificity, and 5 days of stability with a coefficient of variation of 4.0%. The system also has a quick response of several hours (1-4 h) to increasing cytokines. This wearable microneedle patch may offer a promising route for real-time biomolecule wearables construction. The patch is also the first reported integrated capture and monitoring system that is capable of real-time measurement of protein markers in interstitial fluid.
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Affiliation(s)
- Jingxian Xu
- Department of Neonatology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, P. R. China
| | - Bin Yang
- Department of Chemistry and Institutes of Biomedical Sciences, Fudan University, Shanghai, 200433, P. R. China
| | - Jilie Kong
- Department of Chemistry and Institutes of Biomedical Sciences, Fudan University, Shanghai, 200433, P. R. China
| | - Yongjun Zhang
- Department of Neonatology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, P. R. China
| | - Xueen Fang
- Department of Chemistry and Institutes of Biomedical Sciences, Fudan University, Shanghai, 200433, P. R. China
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Zhang Q, Zhang Z, Zou X, Liu Z, Li Q, Zhou J, Gao S, Xu H, Guo J, Yan F. Nitric oxide-releasing poly(ionic liquid)-based microneedle for subcutaneous fungal infection treatment. Biomater Sci 2023; 11:3114-3127. [PMID: 36917099 DOI: 10.1039/d2bm02096c] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
Abstract
Poor permeation of therapeutic agents and similar eukaryotic cell metabolic and physiological properties of fungi and human cells are two major challenges that lead to the failure of current therapy for fungi-induced skin and soft tissue infections. Herein, a nitric oxide (NO)-releasing poly(ionic liquid)-based microneedle (PILMN-NO) with the capacity of deep persistent NO toward subcutaneous fungal bed is presented as a synergistic antifungal treatment strategy to treat subcutaneous fungal infection. Upon the insertion of PILMN-NO into skin, the contact fungicidal activities induced by electrostatic and hydrophobic effects of poly(ionic liquid) and the released NO sterilization resulting from the peroxidation and nitrification effect of NO achieved enhanced antifungal efficacy against fungi (Candida albicans) both in vitro and in vivo. Simultaneously, PILMN-NO showed biofilm ablation ability and efficiently eliminated mature biofilms. In vivo fungal-induced subcutaneous abscess studies revealed that PILMN-NO could effectively sterilize fungi while suppressing the inflammatory reaction, facilitating collagen deposition and angiogenesis, and promoting wound healing. This work provides a new strategy to overcome the difficulties in deep skin fungal infection treatment and has potential for further exploitation of NO-releasing microbicidal therapy.
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Affiliation(s)
- Qiuyang Zhang
- Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Negative Carbon Technologies College of Chemistry, Suzhou Key Laboratory of Soft Material and New Energy, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China.
| | - Zijun Zhang
- Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Negative Carbon Technologies College of Chemistry, Suzhou Key Laboratory of Soft Material and New Energy, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China.
| | - Xiuyang Zou
- Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Negative Carbon Technologies College of Chemistry, Suzhou Key Laboratory of Soft Material and New Energy, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China.
| | - Ziyang Liu
- Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Negative Carbon Technologies College of Chemistry, Suzhou Key Laboratory of Soft Material and New Energy, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China.
| | - Qingning Li
- Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Negative Carbon Technologies College of Chemistry, Suzhou Key Laboratory of Soft Material and New Energy, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China.
| | - Jiamei Zhou
- Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Negative Carbon Technologies College of Chemistry, Suzhou Key Laboratory of Soft Material and New Energy, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China.
| | - Shuna Gao
- Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Negative Carbon Technologies College of Chemistry, Suzhou Key Laboratory of Soft Material and New Energy, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China.
| | - Hui Xu
- Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Negative Carbon Technologies College of Chemistry, Suzhou Key Laboratory of Soft Material and New Energy, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China.
| | - Jiangna Guo
- Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Negative Carbon Technologies College of Chemistry, Suzhou Key Laboratory of Soft Material and New Energy, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China.
| | - Feng Yan
- Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Negative Carbon Technologies College of Chemistry, Suzhou Key Laboratory of Soft Material and New Energy, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China.
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Wang J, Lu Z, Cai R, Zheng H, Yu J, Zhang Y, Gu Z. Microneedle-based transdermal detection and sensing devices. LAB ON A CHIP 2023; 23:869-887. [PMID: 36629050 DOI: 10.1039/d2lc00790h] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Microneedles have been expected for the construction of next-generation biosensors towards personalization, digitization, and intellectualization due to their metrics of minimal invasiveness, high integration, and favorable biocompatibility. Herein, an overview of state-of-the-art microneedle-based detection and sensing systems is presented. First, the designs of microneedle devices based on extraction mechanisms are concluded, corresponding to different geometries and materials of microneedles. Second, the targets of equipment-assisted microneedle detections are summarized, as well as the objective significance, revealing the current performance and potential scenarios of these microneedles. Third, the trend towards highly integrated sensors is elaborated by emphasizing the sensing principles (colorimetric, fluorometric and electronic manner). Finally, the key challenges to be tackled and the perspectives on future development are discussed.
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Affiliation(s)
- Junxia Wang
- Zhejiang Provincial Key Laboratory for Advanced Drug Delivery Systems, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China.
| | - Ziyi Lu
- Zhejiang Provincial Key Laboratory for Advanced Drug Delivery Systems, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China.
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016, China
| | - Ruisi Cai
- Zhejiang Provincial Key Laboratory for Advanced Drug Delivery Systems, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China.
| | - Hanqi Zheng
- Zhejiang Provincial Key Laboratory for Advanced Drug Delivery Systems, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China.
| | - Jicheng Yu
- Zhejiang Provincial Key Laboratory for Advanced Drug Delivery Systems, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China.
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016, China
- Jinhua Institute of Zhejiang University, Jinhua, 321299, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, 311121, China
| | - Yuqi Zhang
- Zhejiang Provincial Key Laboratory for Advanced Drug Delivery Systems, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China.
- Department of Burns and Wound Center, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009, China
| | - Zhen Gu
- Zhejiang Provincial Key Laboratory for Advanced Drug Delivery Systems, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China.
- Department of General Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016, China
- Jinhua Institute of Zhejiang University, Jinhua, 321299, China
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou, 311121, China
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
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13
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Lee J, Park S, Le PT, Lee G, Lee HW, Yun G, Jeon J, Park J, Pham DT, Park YS, Lim H, Kim C, Hwang TS, Kim SW, Lim G. Peripheral Microneedle Patch for First-Aid Hemostasis. Adv Healthc Mater 2023; 12:e2201697. [PMID: 36538487 DOI: 10.1002/adhm.202201697] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 11/21/2022] [Indexed: 01/18/2023]
Abstract
Despite the minimized puncture sizes and high efficiency, microneedle (MN) patches have not been used to inject hemostatic drugs into bleeding wounds because they easily destroy capillaries when a tissue is pierced. In this study, a shelf-stable dissolving MN patch is developed to prevent rebleeding during an emergency treatment. A minimally and site-selectively invasive hemostatic drug delivery system is established by using a peripheral MN (p-MN) patch that does not directly intrude the wound site but enables topical drug absorption in the damaged capillaries. The invasiveness of MNs is histologically examined by using a bleeding liver of a Sprague-Dawley (SD) rat as an extreme wound model in vivo. The skin penetration force is quantified to demonstrate that the administration of the p-MN patch is milder than that of the conventional MN patch. Hemostatic performance is systematically studied by analyzing bleeding weight and time and comparing them with that of conventional hemostasis methods. The superior performance of a p-MN for the heparin-pretreated SD rat model is demonstrated by intravenous injection in vivo.
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Affiliation(s)
- Jungho Lee
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Sebin Park
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Phuong Thao Le
- School of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Geunho Lee
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Hyoun Wook Lee
- Department of Pathology, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, 51353, Republic of Korea
| | - Gaeun Yun
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Juhyeong Jeon
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Jeongwoo Park
- School of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea.,Medical Device Innovation Center, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Duy Tho Pham
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea.,Department of Emergency Medicine, College of Medicine, Chungnam National University, Daejeon, 35015, Republic of Korea
| | - Young Sook Park
- Department of Physical Rehabilitation Medicine, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, 51353, Republic of Korea
| | - Hoon Lim
- Department of Emergency Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, 14584, Republic of Korea
| | - Chulhong Kim
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea.,School of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea.,Medical Device Innovation Center, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea.,Department of Convergence IT Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea.,Department of Electrical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea
| | - Tae Sik Hwang
- Department of Emergency Medicine, Yonsei University College of Medicine, Yongin Severance Hospital, Yongin, 16995, Republic of Korea
| | - Seung Whan Kim
- Department of Emergency Medicine, College of Medicine, Chungnam National University, Daejeon, 35015, Republic of Korea
| | - Geunbae Lim
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea.,School of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea.,Institute for Convergence Research and Education in Advanced Technology, Yonsei University, 50, Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
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14
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Dervisevic M, Dervisevic E, Esser L, Easton CD, Cadarso VJ, Voelcker NH. Wearable microneedle array-based sensor for transdermal monitoring of pH levels in interstitial fluid. Biosens Bioelectron 2023; 222:114955. [PMID: 36462430 DOI: 10.1016/j.bios.2022.114955] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/19/2022] [Accepted: 11/24/2022] [Indexed: 11/27/2022]
Abstract
Microneedle-based wearable sensors offer an alternative approach to traditional invasive blood-based health monitoring and disease diagnostics techniques. Instead of blood, microneedle-based sensors target the skin interstitial fluid (ISF), in which the biomarker type and concentration profile resemble the one found in the blood. However, unlike blood, interstitial fluid does not have the same pH-buffering capacity causing deviation of pH levels from the physiological range. Information about the skin ISF pH levels can be used as a biomarker for a wide range of pathophysiological conditions and as a marker for the calibration of a wearable sensor. The ISF pH can significantly affect the detection accuracy of other biomarkers as it influences enzyme activity, aptamer affinity, and antibody-antigen interaction. Herein, we report the fabrication of a high-density polymeric microneedle array-based (PMNA) sensing patch and its optimization for the potentiometric transdermal monitoring of pH levels in ISF. The wearable sensor utilizes a polyaniline-coated PMNA having a density of ∼10,000 microneedles per cm2, containing individual microneedles with a height of ∼250 μm, and a tip diameter of ∼2 μm. To prevent interference from other body fluids like sweat, an insulating layer is deposited at the base of the PMNA. The wearable pH sensor operates from pH 4.0 to 8.6 with a sensitivity of 62.9 mV per pH unit and an accuracy of ±0.036 pH units. Furthermore, testing on a mouse demonstrates the ability of the PMNA to provide a real-time reading of the transdermal pH values. This microneedle-based system will significantly contribute to advancing transdermal wearable sensors technology, simplifying the fabrication process, and improving the cost-effectiveness of such devices.
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Affiliation(s)
- Muamer Dervisevic
- Drug Delivery, Disposition, and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria, 3052, Australia
| | - Esma Dervisevic
- Department of Mechanical and Aerospace Engineering, Monash University, Room 227, New Horizons Building, 20 Research Way, Clayton, Victoria, 3800, Australia
| | - Lars Esser
- Drug Delivery, Disposition, and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria, 3052, Australia; Commonwealth Scientific and Industrial Research Organisation (CSIRO), Clayton, Victoria, 3168, Australia
| | - Christopher D Easton
- Commonwealth Scientific and Industrial Research Organisation (CSIRO), Clayton, Victoria, 3168, Australia
| | - Victor J Cadarso
- Department of Mechanical and Aerospace Engineering, Monash University, Room 227, New Horizons Building, 20 Research Way, Clayton, Victoria, 3800, Australia; Melbourne Centre for Nanofabrication, Victorian Node of the Australian National Fabrication Facility, Clayton, Victoria, 3168, Australia
| | - Nicolas H Voelcker
- Drug Delivery, Disposition, and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria, 3052, Australia; Melbourne Centre for Nanofabrication, Victorian Node of the Australian National Fabrication Facility, Clayton, Victoria, 3168, Australia; Materials Science and Engineering, Monash University, Clayton, Victoria, 3168, Australia.
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15
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Liu Y, Yu Q, Ye L, Yang L, Cui Y. A wearable, minimally-invasive, fully electrochemically-controlled feedback minisystem for diabetes management. LAB ON A CHIP 2023; 23:421-436. [PMID: 36597970 DOI: 10.1039/d2lc00797e] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Diabetes is a chronic disease affecting 10% of the population globally, and can lead to serious damage in the heart, kidneys, eyes, blood vessels or nerves. Commercial artificial closed-loop feedback systems can significantly improve diabetes management and save lives. However, they are large and expensive for users. Here, we demonstrate for the first time a wearable, minimally-invasive, fully electrochemically-controlled feedback minisystem for diabetes management. Both the working principles of the sensor and pump in the feedback system are based on electrochemical reactions. The smart minisystem was constructed based on integrating the thermoplastic polyurethane hollow microneedles with an electrochemical biosensing device on its outer layer and an electrochemical micropump facing the inner layer of the microneedles. The sensing device was constructed based on sputtering thin metal films through a shadow mask and electroplating Prussian blue on the surface of the microneedles, followed by the immobilization of glucose oxidase on the working electrode. The electrochemical micropump was constructed by sputtering the interdigital electrodes, followed by sealing with a thin elastic film, which was further integrated with the inner channels of the microneedles. Both the sensor and the pump were electrically powered. Via being controlled by a printed circuit board, the biosensing device monitored the levels of interstitial glucose continuously to drive the electrochemical pump to deliver insulin intelligently, in order to control blood glucose within the normal range. The closed-loop feedback system was studied for its capability in maintaining the blood glucose levels of diabetic rats under various physiological conditions. The utility of the intelligent feedback system was successfully demonstrated on diabetic rats for controlling the blood glucose levels within the normal range. The minisystem is wearable, small, cost-effective, precise, stable and painless. It is anticipated that this approach opens a new paradigm for the development of closed-loop diabetes minisystems and may lead to a compelling future for diabetes management.
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Affiliation(s)
- Yiqun Liu
- School of Materials Science and Engineering, Peking University, First Hospital Interdisciplinary Research Center, Peking University, Beijing 100871, P.R. China.
| | - Qi Yu
- Renal Division, Peking University First Hospital, Peking University Institute of Nephrology, Key Laboratory of Renal Disease, Ministry of Health of China, Key Laboratory of Chronic Kidney Disease Prevention and Treatment (Peking University), Ministry of Education, Beijing 100034, P.R. China.
| | - Le Ye
- Institute of Microelectronics, Peking University, Beijing 100871, P.R. China
| | - Li Yang
- Renal Division, Peking University First Hospital, Peking University Institute of Nephrology, Key Laboratory of Renal Disease, Ministry of Health of China, Key Laboratory of Chronic Kidney Disease Prevention and Treatment (Peking University), Ministry of Education, Beijing 100034, P.R. China.
| | - Yue Cui
- School of Materials Science and Engineering, Peking University, First Hospital Interdisciplinary Research Center, Peking University, Beijing 100871, P.R. China.
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16
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Molinero-Fernández Á, Casanova A, Wang Q, Cuartero M, Crespo GA. In Vivo Transdermal Multi-Ion Monitoring with a Potentiometric Microneedle-Based Sensor Patch. ACS Sens 2022; 8:158-166. [PMID: 36475628 PMCID: PMC9887649 DOI: 10.1021/acssensors.2c01907] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Microneedle sensor technology offers exciting opportunities for decentralized clinical analyses. A novel issue puts forward herein is to demonstrate the uniqueness of membrane-based microneedles to accomplish real-time, on-body monitoring of multiple ions simultaneously. The use of multi-ion detection is clinically relevant since it is expected to provide a more complete and reliable assessment of the clinical status of a subject concerning electrolyte disorders and others. We present a microneedle system for transdermal multiplexed tracing of pH, Na+, K+, Ca2+, Li+, and Cl-. The device consists of an array of seven solid microneedles externally modified to provide six indicator electrodes, each selective for a different ion, and a common reference electrode, all integrated into a wearable patch read in a potentiometric mode. We show in vitro measurements at the expected clinical levels, resulting in a fast response time, excellent reversibility and repeatability, and adequate selectivity. Close-to-Nernstian sensitivity, sufficient stability and resiliency to skin penetration guarantee the sensor's success in transdermal measurements, which we demonstrate through ex vivo (with pieces of rat skin) and in vivo (on-body measurements in rats) tests. Accuracy is evaluated by comparison with gold standard techniques to characterize collected dermal fluid, blood, and serum. In the past, interstitial fluid (ISF) analysis has been challenging due to difficult sample collection and analysis. For ions, this has resulted in extrapolations from blood concentrations (invasive tests) rather than pure measurements in ISF. The developed microneedle patch is a relevant analytical tool to address this information gap.
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Affiliation(s)
- Águeda Molinero-Fernández
- Department
of Chemistry, School of Engineering Sciences in Chemistry, Biotechnology
and Health, KTH Royal Institute of Technology, Teknikringen 30, SE-100 44Stockholm, Sweden
| | - Ana Casanova
- Department
of Chemistry, School of Engineering Sciences in Chemistry, Biotechnology
and Health, KTH Royal Institute of Technology, Teknikringen 30, SE-100 44Stockholm, Sweden
| | - Qianyu Wang
- Department
of Chemistry, School of Engineering Sciences in Chemistry, Biotechnology
and Health, KTH Royal Institute of Technology, Teknikringen 30, SE-100 44Stockholm, Sweden
| | - María Cuartero
- UCAM-SENS, Universidad Católica San Antonio de Murcia,
UCAM HiTech, Avda. Andres
Hernandez Ros 1, 30107Murcia, Spain,Department
of Chemistry, School of Engineering Sciences in Chemistry, Biotechnology
and Health, KTH Royal Institute of Technology, Teknikringen 30, SE-100 44Stockholm, Sweden,
| | - Gastón A. Crespo
- UCAM-SENS, Universidad Católica San Antonio de Murcia,
UCAM HiTech, Avda. Andres
Hernandez Ros 1, 30107Murcia, Spain,Department
of Chemistry, School of Engineering Sciences in Chemistry, Biotechnology
and Health, KTH Royal Institute of Technology, Teknikringen 30, SE-100 44Stockholm, Sweden,
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17
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Zhang S, Wang T, Wang X, Liao W, Wang X, Yuan Y, Chen G, Jia X. A novel aggregation-induced emission fluorescent probe with large Stokes shift for sensitive detection of pH changes in live cells. LUMINESCENCE 2022; 37:2139-2144. [PMID: 36367244 DOI: 10.1002/bio.4407] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 10/04/2022] [Accepted: 11/09/2022] [Indexed: 11/13/2022]
Abstract
The detection of intracellular pH is crucial for elucidating the pathological process of cancers, as well as for medical diagnostic applications. Here, we developed an aggregation-induced emission active pH-responsive fluorescent probe (TPE-DCP) for sensitively detecting cell pH changes. The probe shows obvious pH-sensing properties at ~615 nm, with a pKa value of 6.82 and a good linear pH response ranging from 8.5 to 4.5. TPE-DCP holds advantages such as excellent anti-interference performance, good photostability, and low cytotoxicity, and has been successfully used to image intracellular pH changes in cells.
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Affiliation(s)
- Shuwei Zhang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, China
| | - Ting Wang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, China
| | - Xuewen Wang
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Wenyi Liao
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, China
| | - Xinyao Wang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, China
| | - Yu Yuan
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, China
| | - Gang Chen
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Xiaodong Jia
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, China
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18
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Odinotski S, Dhingra K, GhavamiNejad A, Zheng H, GhavamiNejad P, Gaouda H, Mohammadrezaei D, Poudineh M. A Conductive Hydrogel-Based Microneedle Platform for Real-Time pH Measurement in Live Animals. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2200201. [PMID: 36166698 DOI: 10.1002/smll.202200201] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 07/22/2022] [Indexed: 06/16/2023]
Abstract
Conventional microneedles (MNs) have been extensively reported and applied toward a variety of biosensing and drug delivery applications. Hydrogel forming MNs with the added ability to electrically track health conditions in real-time is an area yet to be explored. The first conductive hydrogel microneedle (HMN) electrode that is capable of on-needle pH detection with no postprocessing required is presented here. The HMN array is fabricated using a swellable dopamine (DA) conjugated hyaluronic acid (HA) hydrogel, and is embedded with poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) to increase conductivity. The catechol-quinone chemistry intrinsic to DA is used to measure pH in interstitial fluid (ISF). The effect of PEDOT:PSS on the characteristics of the HMN array such as swelling capability and mechanical strength is fully studied. The HMN's capability for pH measurement is first demonstrated using porcine skin equilibrated with different pH solutions ranging from 3.5 to 9. Furthermore, the HMN-pH meter is capable of in vivo measurements with a 93% accuracy compared to a conventional pH probe meter. This HMN technology bridges the gap between traditional metallic electrochemical biosensors and the direct extraction of ISF, and introduces a platform for the development of polymeric wearable sensors capable of on-needle detection.
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Affiliation(s)
- Sarah Odinotski
- Department of Electrical and Computer Engineering, Faculty of Engineering, University of Waterloo, Waterloo, ON, N2L, Canada
| | - Karan Dhingra
- Department of Electrical and Computer Engineering, Faculty of Engineering, University of Waterloo, Waterloo, ON, N2L, Canada
| | - Amin GhavamiNejad
- Leslie L. Dan Faculty of Pharmacy, University of Toronto, Toronto, ON, M5S, Canada
| | - Hanjia Zheng
- Department of Electrical and Computer Engineering, Faculty of Engineering, University of Waterloo, Waterloo, ON, N2L, Canada
| | - Peyman GhavamiNejad
- Department of Electrical and Computer Engineering, Faculty of Engineering, University of Waterloo, Waterloo, ON, N2L, Canada
| | - Hager Gaouda
- Department of Systems Design Engineering, Faculty of Engineering, University of Waterloo, Waterloo, ON, N2L, Canada
| | - Dorsa Mohammadrezaei
- Department of Applied Mathematics, University of Waterloo, Waterloo, ON, N2L, Canada
| | - Mahla Poudineh
- Department of Electrical and Computer Engineering, Faculty of Engineering, University of Waterloo, Waterloo, ON, N2L, Canada
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19
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Lee W, Jeong SH, Lim YW, Lee H, Kang J, Lee H, Lee I, Han HS, Kobayashi S, Tanaka M, Bae BS. Conformable microneedle pH sensors via the integration of two different siloxane polymers for mapping peripheral artery disease. SCIENCE ADVANCES 2021; 7:eabi6290. [PMID: 34826244 PMCID: PMC8626065 DOI: 10.1126/sciadv.abi6290] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 10/07/2021] [Indexed: 05/25/2023]
Abstract
Flexible microneedles are important tools that allow access to the inside of biological tissue from the outside without surgery. However, it had been hard to realize microneedle sensor arrays on flexible substrates because of the difficulty of attaining a needle with a high Young’s modulus for a selected area on a thin or soft substrate. In this work, we developed a microneedle sensor on a hybrid substrate based on high Young’s modulus epoxy siloxane for the microneedles and low Young’s modulus polydimethylsiloxane for the conformable substrate. Polyaniline was deposited on the microneedle for pH sensing. The mechanical durability of the device was assessed by insertion into pig skin 1000 times. Last, the flexible microneedle pH sensors showed their utility for monitoring pH distribution in rats in a peripheral artery diseases model.
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Affiliation(s)
- Wonryung Lee
- Wearable Platform Materials Technology Center, Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology, Seoul 136-791, Republic of Korea
| | - Seung-hwan Jeong
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
- Department of Urology, Seoul National University Hospital, Seoul 03080, Republic of Korea
| | - Young-Woo Lim
- Wearable Platform Materials Technology Center, Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Hyunhwan Lee
- Wearable Platform Materials Technology Center, Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Joohyuk Kang
- Wearable Platform Materials Technology Center, Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology, Seoul 136-791, Republic of Korea
| | - Hyunjae Lee
- Samsung Electronics Semiconductor R&D Center, Hawseong 18448, Republic of Korea
| | - Injun Lee
- Wearable Platform Materials Technology Center, Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Hyung-Seop Han
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology, Seoul 136-791, Republic of Korea
| | - Shingo Kobayashi
- Institute for Materials Chemistry and Engineering, Kyushu University, CE41 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Masaru Tanaka
- Institute for Materials Chemistry and Engineering, Kyushu University, CE41 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Byeong-Soo Bae
- Wearable Platform Materials Technology Center, Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
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20
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Peng Z, Huang J, Guo Z. Anisotropic Janus materials: from micro-/nanostructures to applications. NANOSCALE 2021; 13:18839-18864. [PMID: 34757351 DOI: 10.1039/d1nr05499f] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Janus materials have led to great achievements in recent years owing to their unique asymmetric structures and properties. In this review, recent advances of Janus materials including Janus particles and Janus membranes are summarized, and then the microstructures and applications of Janus materials are emphasized. The asymmetric wettability of Janus materials is related to their microstructures; hence, the microstructures of Janus materials were analyzed, compared and summarized. Also presented are current and potential applications in sensing, drug delivery, oil-water separation and so on. Finally, a perspective on the research prospects and development of Janus materials in more fields is given.
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Affiliation(s)
- Zhouliang Peng
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei University, Wuhan 430062, People's Republic of China
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, People's Republic of China.
| | - Jinxia Huang
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, People's Republic of China.
| | - Zhiguang Guo
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei University, Wuhan 430062, People's Republic of China
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, People's Republic of China.
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21
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Dong X, Chi J, Shao C, Lei L, Yang L, Zhao C, Liu H. Multifunctional hydrogel microsphere with reflection in near-infrared region for in vivo pH monitoring and drug release in tumor microenvironment. CHEMICAL ENGINEERING JOURNAL 2021; 421:127873. [DOI: 10.1016/j.cej.2020.127873] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
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22
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Dixon RV, Skaria E, Lau WM, Manning P, Birch-Machin MA, Moghimi SM, Ng KW. Microneedle-based devices for point-of-care infectious disease diagnostics. Acta Pharm Sin B 2021; 11:2344-2361. [PMID: 34150486 PMCID: PMC8206489 DOI: 10.1016/j.apsb.2021.02.010] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 11/25/2020] [Accepted: 01/28/2021] [Indexed: 02/08/2023] Open
Abstract
Recent infectious disease outbreaks, such as COVID-19 and Ebola, have highlighted the need for rapid and accurate diagnosis to initiate treatment and curb transmission. Successful diagnostic strategies critically depend on the efficiency of biological sampling and timely analysis. However, current diagnostic techniques are invasive/intrusive and present a severe bottleneck by requiring specialist equipment and trained personnel. Moreover, centralised test facilities are poorly accessible and the requirement to travel may increase disease transmission. Self-administrable, point-of-care (PoC) microneedle diagnostic devices could provide a viable solution to these problems. These miniature needle arrays can detect biomarkers in/from the skin in a minimally invasive manner to provide (near-) real-time diagnosis. Few microneedle devices have been developed specifically for infectious disease diagnosis, though similar technologies are well established in other fields and generally adaptable for infectious disease diagnosis. These include microneedles for biofluid extraction, microneedle sensors and analyte-capturing microneedles, or combinations thereof. Analyte sampling/detection from both blood and dermal interstitial fluid is possible. These technologies are in their early stages of development for infectious disease diagnostics, and there is a vast scope for further development. In this review, we discuss the utility and future outlook of these microneedle technologies in infectious disease diagnosis.
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Key Words
- AC, alternating current
- APCs, antigen-presenting cells
- ASSURED, affordable, sensitive, specific, user-friendly, rapid and robust, equipment-free and deliverable to end-users
- Biomarker detection
- Biosensor
- CMOS, complementary metal-oxide semiconductor
- COVID, coronavirus disease
- COVID-19
- CSF, cerebrospinal fluid
- CT, computerised tomography
- CV, cyclic voltammetry
- DC, direct current
- DNA, deoxyribonucleic acid
- DPV, differential pulse voltammetry
- EBV, Epstein–Barr virus
- EDC/NHS, 1-ethyl-3-(3-dimethylaminoproply) carbodiimide/N-hydroxysuccinimide
- ELISA, enzyme-linked immunosorbent assay
- GOx, glucose oxidase
- HIV, human immunodeficiency virus
- HPLC, high performance liquid chromatography
- HRP, horseradish peroxidase
- IP, iontophoresis
- ISF, interstitial fluid
- IgG, immunoglobulin G
- Infectious disease
- JEV, Japanese encephalitis virus
- MN, microneedle
- Microneedle
- NA, nucleic acid
- OBMT, one-touch-activated blood multidiagnostic tool
- OPD, o-phenylenediamine
- PCB, printed circuit board
- PCR, polymerase chain reaction
- PDMS, polydimethylsiloxane
- PEDOT, poly(3,4-ethylenedioxythiophene)
- PNA, peptide nucleic acid
- PP, polyphenol
- PPD, poly(o-phenylenediamine)
- PoC, point-of-care
- Point-of-care diagnostics (PoC)
- SALT, skin-associated lymphoid tissue
- SAM, self-assembled monolayer
- SEM, scanning electron microscope
- SERS, surface-enhanced Raman spectroscopy
- SWV, square wave voltammetry
- Skin
- TB, tuberculosis
- UV, ultraviolet
- VEGF, vascular endothelial growth factor
- WHO, World Health Organisation
- cfDNA, cell-free deoxyribonucleic acid
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Affiliation(s)
- Rachael V. Dixon
- School of Pharmacy, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne NE1 7RU, UK
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne NE2 4HH, UK
| | - Eldhose Skaria
- Wellcome Trust Centre for Cell-Matrix Research, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PT, UK
| | - Wing Man Lau
- School of Pharmacy, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne NE1 7RU, UK
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne NE2 4HH, UK
| | - Philip Manning
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne NE2 4HH, UK
| | - Mark A. Birch-Machin
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne NE2 4HH, UK
| | - S. Moein Moghimi
- School of Pharmacy, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne NE1 7RU, UK
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne NE2 4HH, UK
| | - Keng Wooi Ng
- School of Pharmacy, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne NE1 7RU, UK
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne NE2 4HH, UK
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23
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Bennet D, Khorsandian Y, Pelusi J, Mirabella A, Pirrotte P, Zenhausern F. Molecular and physical technologies for monitoring fluid and electrolyte imbalance: A focus on cancer population. Clin Transl Med 2021; 11:e461. [PMID: 34185420 PMCID: PMC8214861 DOI: 10.1002/ctm2.461] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 05/11/2021] [Accepted: 05/29/2021] [Indexed: 12/23/2022] Open
Abstract
Several clinical examinations have shown the essential impact of monitoring (de)hydration (fluid and electrolyte imbalance) in cancer patients. There are multiple risk factors associated with (de)hydration, including aging, excessive or lack of fluid consumption in sports, alcohol consumption, hot weather, diabetes insipidus, vomiting, diarrhea, cancer, radiation, chemotherapy, and use of diuretics. Fluid and electrolyte imbalance mainly involves alterations in the levels of sodium, potassium, calcium, and magnesium in extracellular fluids. Hyponatremia is a common condition among individuals with cancer (62% of cases), along with hypokalemia (40%), hypophosphatemia (32%), hypomagnesemia (17%), hypocalcemia (12%), and hypernatremia (1-5%). Lack of hydration and monitoring of hydration status can lead to severe complications, such as nausea/vomiting, diarrhea, fatigue, seizures, cell swelling or shrinking, kidney failure, shock, coma, and even death. This article aims to review the current (de)hydration (fluid and electrolyte imbalance) monitoring technologies focusing on cancer. First, we discuss the physiological and pathophysiological implications of fluid and electrolyte imbalance in cancer patients. Second, we explore the different molecular and physical monitoring methods used to measure fluid and electrolyte imbalance and the measurement challenges in diverse populations. Hydration status is assessed in various indices; plasma, sweat, tear, saliva, urine, body mass, interstitial fluid, and skin-integration techniques have been extensively investigated. No unified (de)hydration (fluid and electrolyte imbalance) monitoring technology exists for different populations (including sports, elderly, children, and cancer). Establishing novel methods and technologies to facilitate and unify measurements of hydration status represents an excellent opportunity to develop impactful new approaches for patient care.
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Affiliation(s)
- Devasier Bennet
- Center for Applied NanoBioscience and MedicineThe University of ArizonaCollege of MedicinePhoenixUSA
| | - Yasaman Khorsandian
- Center for Applied NanoBioscience and MedicineThe University of ArizonaCollege of MedicinePhoenixUSA
| | | | | | - Patrick Pirrotte
- Collaborative Center for Translational Mass SpectrometryTranslational Genomics Research InstitutePhoenixUSA
| | - Frederic Zenhausern
- Center for Applied NanoBioscience and MedicineThe University of ArizonaCollege of MedicinePhoenixUSA
- HonorHealth Research InstituteScottsdaleUSA
- Collaborative Center for Translational Mass SpectrometryTranslational Genomics Research InstitutePhoenixUSA
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24
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García-Guzmán JJ, Pérez-Ràfols C, Cuartero M, Crespo GA. Toward In Vivo Transdermal pH Sensing with a Validated Microneedle Membrane Electrode. ACS Sens 2021; 6:1129-1137. [PMID: 33566575 PMCID: PMC8023800 DOI: 10.1021/acssensors.0c02397] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 02/01/2021] [Indexed: 12/11/2022]
Abstract
We present herein the most complete characterization of microneedle (MN) potentiometric sensors for pH transdermal measurements for the time being. Initial in vitro assessment demonstrated suitable analytical performances (e.g., Nernstian slope, linear range of response from 8.5 to 5.0, and fast response time) in both buffer media and artificial interstitial fluid (ISF). Excellent repeatability and reproducibility together with adequate selectivity and resiliency facilitate the appropriateness of the new pH MN sensor for transdermal ISF analysis in healthcare. The ability to resist skin insertions was evaluated in several ex vivo setups using three different animal skins (i.e., chicken, pork, and rat). The developed pH MN sensor was able to withstand from 5 to 10 repetitive insertions in all the skins considered with a minimal change in the calibration graph (<3% variation in both slope and intercept after the insertions). Ex vivo pH measurements were validated by determining the pH with the MN sensor and a commercial pH electrode in chicken skin portions previously conditioned at several pH values, obtaining excellent results with an accuracy of <1% and a precision of <2% in all cases. Finally, pH MN sensors were applied for the very first time to transdermal measurements in rats together with two innovative validation procedures: (i) measuring subcutaneous pH directly with a commercial pH microelectrode and (ii) collecting ISF using hollow MNs and then the pH measurement of the sample with the pH microelectrode. The pH values obtained with pH MN sensors were statistically more similar to subcutaneous measurements, as inferred by a paired sample t-test at 95% of confidence level. Conveniently, the validation approaches could be translated to other analytes that are transdermally measured with MN sensors.
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Affiliation(s)
- Juan José García-Guzmán
- Department of Chemistry, School of
Engineering Science in Chemistry, Biochemistry and Health, Royal Institute of Technology, KTH, Teknikringen 30, SE-100 44 Stockholm, Sweden
| | - Clara Pérez-Ràfols
- Department of Chemistry, School of
Engineering Science in Chemistry, Biochemistry and Health, Royal Institute of Technology, KTH, Teknikringen 30, SE-100 44 Stockholm, Sweden
| | - María Cuartero
- Department of Chemistry, School of
Engineering Science in Chemistry, Biochemistry and Health, Royal Institute of Technology, KTH, Teknikringen 30, SE-100 44 Stockholm, Sweden
| | - Gastón A. Crespo
- Department of Chemistry, School of
Engineering Science in Chemistry, Biochemistry and Health, Royal Institute of Technology, KTH, Teknikringen 30, SE-100 44 Stockholm, Sweden
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25
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Liu C, Yang M, Hu J, Bao L, Tang B, Wei X, Zhao JL, Jin Z, Luo QY, Pang DW. Quantitatively Switchable pH-Sensitive Photoluminescence of Carbon Nanodots. J Phys Chem Lett 2021; 12:2727-2735. [PMID: 33705142 DOI: 10.1021/acs.jpclett.1c00287] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
pH sensing plays a key role in the life sciences as well as the environmental, industrial, and agricultural fields. Carbon nanodots (C-dots) with small size, low toxicity, and excellent stability hold great potential in pH sensing as nanoprobes due to their intrinsic pH-sensitive photoluminescence (PL). Nonetheless, the undesirable sensitivity and response range of C-dot PL toward pH cannot meet the requirements of practical applications, and the unclear pH-sensitive PL mechanism makes it difficult to control their pH sensitivity. Herein, the quantitative correlation of pH-sensitive PL with specific surface structures of C-dots is uncovered for the first time, to our best knowledge. The association of carboxylate and H+ increases the ratio of nonradiation to radiation decay of C-dots through excited-state proton transfer, resulting in the decrease of PL intensity. Meanwhile, the dissociation of α-H in β-dicarbonyl forming enolate increases the extent of delocalization of the C-dots conjugated system, which induces the PL broadening to the red region and a decreasing intensity. Based on the understanding of the pH-sensitive PL mechanism, the pH-sensitive PL of C-dots can be switched by quantitative modulation of carboxyl and β-dicarbonyl groups to achieve a desirable pH response range with high sensitivity. This work contributes to a better understanding of the pH-sensitive PL of C-dots and therefore presents an effective strategy for controllably tuning their pH sensitivity, facilitating the rational design of C-dot-based pH sensors.
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Affiliation(s)
- Cui Liu
- Research Center for Micro/Nano System & Bionic Medicine, Institute of Biomedical & Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 1068 Xueyuan Avenue, Shenzhen 518055, China
- College of Chemistry and Molecular Sciences, State Key Laboratory of Virology, The Institute for Advanced Studies, and Wuhan Institute of Biotechnology, Wuhan University, Wuhan 430072, P. R. China
- Institute of Medical Engineering, Department of Biophysics, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi 710061, P. R. China
| | - Mengli Yang
- Research Center for Micro/Nano System & Bionic Medicine, Institute of Biomedical & Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 1068 Xueyuan Avenue, Shenzhen 518055, China
- College of Chemistry and Molecular Sciences, State Key Laboratory of Virology, The Institute for Advanced Studies, and Wuhan Institute of Biotechnology, Wuhan University, Wuhan 430072, P. R. China
| | - Jiao Hu
- College of Chemistry and Molecular Sciences, State Key Laboratory of Virology, The Institute for Advanced Studies, and Wuhan Institute of Biotechnology, Wuhan University, Wuhan 430072, P. R. China
| | - Lei Bao
- School of Engineering, RMIT University, Melbourne, VIC 3001, Australia
| | - Bo Tang
- College of Chemistry and Molecular Sciences, State Key Laboratory of Virology, The Institute for Advanced Studies, and Wuhan Institute of Biotechnology, Wuhan University, Wuhan 430072, P. R. China
| | - Xiaoyuan Wei
- Research Center for Micro/Nano System & Bionic Medicine, Institute of Biomedical & Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 1068 Xueyuan Avenue, Shenzhen 518055, China
| | - Jiang-Lin Zhao
- Research Center for Micro/Nano System & Bionic Medicine, Institute of Biomedical & Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 1068 Xueyuan Avenue, Shenzhen 518055, China
| | - Zongwen Jin
- Research Center for Micro/Nano System & Bionic Medicine, Institute of Biomedical & Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 1068 Xueyuan Avenue, Shenzhen 518055, China
| | - Qing-Ying Luo
- Research Center for Micro/Nano System & Bionic Medicine, Institute of Biomedical & Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 1068 Xueyuan Avenue, Shenzhen 518055, China
| | - Dai-Wen Pang
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, Research Center for Analytical Sciences, College of Chemistry, and School of Medicine, Nankai University, Tianjin 300071, P. R. China
- College of Chemistry and Molecular Sciences, State Key Laboratory of Virology, The Institute for Advanced Studies, and Wuhan Institute of Biotechnology, Wuhan University, Wuhan 430072, P. R. China
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26
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García-Guzmán JJ, Pérez-Ràfols C, Cuartero M, Crespo GA. Microneedle based electrochemical (Bio)Sensing: Towards decentralized and continuous health status monitoring. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2020.116148] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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27
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Liu C, Zhang F, Hu J, Gao W, Zhang M. A Mini Review on pH-Sensitive Photoluminescence in Carbon Nanodots. Front Chem 2021; 8:605028. [PMID: 33553104 PMCID: PMC7862559 DOI: 10.3389/fchem.2020.605028] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Accepted: 12/09/2020] [Indexed: 12/02/2022] Open
Abstract
Carbon nanodots (C-dots) with sp2/sp3 framework and diameter of <10 nm contain abundant functional groups or polymers on their surface. C-dots have attracted immense attention because of their unique optical properties, excellent biocompatibility, facile preparation, and low cost. With these merits, C-dots have been used in a wide range of applications including sensing, bioimaging, catalysis, and light-emitting devices. C-dots exhibit good optical properties, such as tunable emission wavelength, good photostability, nonblinking, up-conversion emission, etc. Of note, C-dots show intrinsic pH-sensitive photoluminescence (PL), indicating their great potential for pH sensing, especially in biotic pH sensing. In this review, we systematically summarize the pH-sensitive PL properties and the pH-sensitive PL mechanism, as well as recent research progress of C-dots in pH sensing. The current challenges of pH-sensitive C-dots and their future research focus are also proposed here. We anticipate this review might be of great significance for understanding the characteristics of pH-sensitive C-dots and the development of photoluminescent nanomaterials with pH-sensitive properties.
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Affiliation(s)
- Cui Liu
- Department of Biophysics, School of Basic Medical Sciences, Institute of Medical Engineering, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Fang Zhang
- Department of Biophysics, School of Basic Medical Sciences, Institute of Medical Engineering, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Jiao Hu
- Hubei Key Laboratory of Environmental and Health Effects of Persistent Toxic Substances, Institute of Environment and Health, Jianghan University, Wuhan, China
| | - Wenhui Gao
- Department of Biophysics, School of Basic Medical Sciences, Institute of Medical Engineering, Xi'an Jiaotong University Health Science Center, Xi'an, China
| | - Mingzhen Zhang
- Department of Biophysics, School of Basic Medical Sciences, Institute of Medical Engineering, Xi'an Jiaotong University Health Science Center, Xi'an, China
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28
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Puttaswamy SV, Lubarsky GV, Kelsey C, Zhang X, Finlay D, McLaughlin JA, Bhalla N. Nanophotonic-Carbohydrate Lab-on-a-Microneedle for Rapid Detection of Human Cystatin C in Finger-Prick Blood. ACS NANO 2020; 14:11939-11949. [PMID: 32790349 DOI: 10.1021/acsnano.0c05074] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Miniaturized total analysis systems, for the rapid detection of disease biomarkers, with features including high biomarker sensitivity, selectivity, biocompatibility, and disposability, all at low cost are of profound importance in the healthcare sector. Within this frame of reference, we developed a lab-on-a-carbohydrate-microneedle biodevice by integrating localized surface plasmon resonance (LSPR) paper-based substrates with biocompatible microneedles of high aspect ratio (>60:1 length:width). These microneedles are completely fabricated with carbohydrate (maltose) and further coated with poly lactic-co-glycolic acid (PLGA), which together serves the purpose of fluid channels. The porous nature of PLGA, in addition to drawing blood by capillary action, filters out the whole blood, allowing only the blood plasma to reach the biorecognition layer of the developed biodevice. While the use of maltose provides biocompatibility to the microneedle, the axial compression and transverse load analysis revealed desired mechanical strength of the microneedle, with mechanical failure occurring at 11N and 9 N respectively for the compressive and transverse load. For a proof-of-principle demonstration, the developed biodevice is validated for its operational features by direct detection of cystatin C in finger-prick blood and up to a concentration of 0.01 μg/mL in buffered conditions using the LSPR technique. Furthermore, by changing the biorecognition layer, the use of the developed needle can be extended to other disease biomarkers, and therefore the innovation presented in this work represents a hallmark in the state of the art of lab-on-a-chip biodevices.
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Affiliation(s)
- Srinivasu Valagerahally Puttaswamy
- Nanotechnology and Integrated Bioengineering Centre (NIBEC), School of Engineering, Ulster University, Jordanstown Shore Road, BT37 0QB, Northern Ireland, United Kingdom
| | - Gennady V Lubarsky
- Nanotechnology and Integrated Bioengineering Centre (NIBEC), School of Engineering, Ulster University, Jordanstown Shore Road, BT37 0QB, Northern Ireland, United Kingdom
| | - Colin Kelsey
- Nanotechnology and Integrated Bioengineering Centre (NIBEC), School of Engineering, Ulster University, Jordanstown Shore Road, BT37 0QB, Northern Ireland, United Kingdom
| | - Xushuo Zhang
- Nanotechnology and Integrated Bioengineering Centre (NIBEC), School of Engineering, Ulster University, Jordanstown Shore Road, BT37 0QB, Northern Ireland, United Kingdom
| | - Dewar Finlay
- Nanotechnology and Integrated Bioengineering Centre (NIBEC), School of Engineering, Ulster University, Jordanstown Shore Road, BT37 0QB, Northern Ireland, United Kingdom
| | - James A McLaughlin
- Nanotechnology and Integrated Bioengineering Centre (NIBEC), School of Engineering, Ulster University, Jordanstown Shore Road, BT37 0QB, Northern Ireland, United Kingdom
- Healthcare Technology Hub, Ulster University, Jordanstown Shore Road, BT37 0QB, Northern Ireland, United Kingdom
| | - Nikhil Bhalla
- Nanotechnology and Integrated Bioengineering Centre (NIBEC), School of Engineering, Ulster University, Jordanstown Shore Road, BT37 0QB, Northern Ireland, United Kingdom
- Healthcare Technology Hub, Ulster University, Jordanstown Shore Road, BT37 0QB, Northern Ireland, United Kingdom
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29
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Moldero IL, Chandra A, Cavo M, Mota C, Kapsokalyvas D, Gigli G, Moroni L, Del Mercato LL. Probing the pH Microenvironment of Mesenchymal Stromal Cell Cultures on Additive-Manufactured Scaffolds. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2002258. [PMID: 32656904 DOI: 10.1002/smll.202002258] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 06/05/2020] [Indexed: 05/22/2023]
Abstract
Despite numerous advances in the field of tissue engineering and regenerative medicine, monitoring the formation of tissue regeneration and its metabolic variations during culture is still a challenge and mostly limited to bulk volumetric assays. Here, a simple method of adding capsules-based optical sensors in cell-seeded 3D scaffolds is presented and the potential of these sensors to monitor the pH changes in space and time during cell growth is demonstrated. It is shown that the pH decreased over time in the 3D scaffolds, with a more prominent decrease at the edges of the scaffolds. Moreover, the pH change is higher in 3D scaffolds compared to monolayered 2D cell cultures. The results suggest that this system, composed by capsules-based optical sensors and 3D scaffolds with predefined geometry and pore architecture network, can be a suitable platform for monitoring pH variations during 3D cell growth and tissue formation. This is particularly relevant for the investigation of 3D cellular microenvironment alterations occurring both during physiological processes, such as tissue regeneration, and pathological processes, such as cancer evolution.
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Affiliation(s)
- Ivan Lorenzo Moldero
- Department of Complex Tissue Regeneration, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, 6229ER, The Netherlands
| | - Anil Chandra
- Institute of Nanotechnology, National Research Council (CNR-NANOTEC), Campus Ecotekne, via Monteroni, Lecce, 73100, Italy
| | - Marta Cavo
- Institute of Nanotechnology, National Research Council (CNR-NANOTEC), Campus Ecotekne, via Monteroni, Lecce, 73100, Italy
| | - Carlos Mota
- Department of Complex Tissue Regeneration, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, 6229ER, The Netherlands
| | - Dimitrios Kapsokalyvas
- Department of Molecular Cell Biology, Maastricht University Medical Center, UNS 50, Maastricht, 6229ER, The Netherlands
| | - Giuseppe Gigli
- Institute of Nanotechnology, National Research Council (CNR-NANOTEC), Campus Ecotekne, via Monteroni, Lecce, 73100, Italy
- Department of Mathematics and Physics "Ennio De Giorgi", University of Salento, via Arnesano, Lecce, 73100, Italy
| | - Lorenzo Moroni
- Department of Complex Tissue Regeneration, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, 6229ER, The Netherlands
- Institute of Nanotechnology, National Research Council (CNR-NANOTEC), Campus Ecotekne, via Monteroni, Lecce, 73100, Italy
| | - Loretta L Del Mercato
- Institute of Nanotechnology, National Research Council (CNR-NANOTEC), Campus Ecotekne, via Monteroni, Lecce, 73100, Italy
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30
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Affiliation(s)
- Aung Than
- School of Chemical and Biomedical Engineering, Innovative Centre for Flexible DevicesNanyang Technological University Singapore
| | - Ping Zan
- School of Chemical and Biomedical Engineering, Innovative Centre for Flexible DevicesNanyang Technological University Singapore
| | - Peng Chen
- School of Chemical and Biomedical Engineering, Innovative Centre for Flexible DevicesNanyang Technological University Singapore
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31
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Mani GK, Nimura Y, Tsuchiya K. Advanced Artificial Electronic Skin Based pH Sensing System for Heatstroke Detection. ACS Sens 2020; 5:911-916. [PMID: 32157870 DOI: 10.1021/acssensors.0c00207] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Heatstroke is a serious illness that can potentially damage many victims every year. Many intelligent physical sensors have been developed to prevent heatstroke fatalities. However, it remains a challenge to fabricate skin-adhesive, small, and low-cost sensors for in situ heatstroke detection to overcome the weaknesses of the physical sensors. As far as we know, this is the first breakthrough for exploiting a PDMS based freestanding nanosheet skin patch consisting of pH sensing elements (antimony/antimony oxide and silver/silver iodate) to achieve high pH sensitivity and repeatability. The sensing elements were investigated for structural and morphological properties. The easy to use and easy to fabricate nanosheet sensor exhibited a linear pH response of -43 mV/pH. Overall, the developed sensor showed high sensitivity, repeatability, and stability. Our initial results indicate that the developed sensor adhered well to a skin surface. It is expected that this proof of concept approach gives reliable fabrication and measurement unlike other physical sensors.
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Affiliation(s)
- Ganesh Kumar Mani
- Micro/Nano Technology Center, Tokai University, 4-1-1 Kitakaname, Hiratsuka, Kanagawa 259-1292, Japan
| | - Yuka Nimura
- Graduate School of Science and Technology, Tokai University, 4-1-1 Kitakaname, Hiratsuka, Kanagawa 259-1292, Japan
| | - Kazuyoshi Tsuchiya
- Micro/Nano Technology Center, Tokai University, 4-1-1 Kitakaname, Hiratsuka, Kanagawa 259-1292, Japan
- Department of Precision Engineering, Tokai University, 4-1-1 Kitakaname, Hiratsuka, Kanagawa 259-1292, Japan
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32
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Xie L, Zeng H, Sun J, Qian W. Engineering Microneedles for Therapy and Diagnosis: A Survey. MICROMACHINES 2020; 11:E271. [PMID: 32150866 PMCID: PMC7143426 DOI: 10.3390/mi11030271] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 02/26/2020] [Accepted: 02/28/2020] [Indexed: 02/07/2023]
Abstract
Microneedle (MN) technology is a rising star in the point-of-care (POC) field, which has gained increasing attention from scientists and clinics. MN-based POC devices show great potential for detecting various analytes of clinical interests and transdermal drug delivery in a minimally invasive manner owing to MNs' micro-size sharp tips and ease of use. This review aims to go through the recent achievements in MN-based devices by investigating the selection of materials, fabrication techniques, classification, and application, respectively. We further highlight critical aspects of MN platforms for transdermal biofluids extraction, diagnosis, and drug delivery assisted disease therapy. Moreover, multifunctional MNs for stimulus-responsive drug delivery systems were discussed, which show incredible potential for accurate and efficient disease treatment in dynamic environments for a long period of time. In addition, we also discuss the remaining challenges and emerging trend of MN-based POC devices from the bench to the bedside.
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Affiliation(s)
- Liping Xie
- College of Medicine and Biological Information Engineering, Northeastern University, Shenyang 110169, China;
| | - Hedele Zeng
- College of Medicine and Biological Information Engineering, Northeastern University, Shenyang 110169, China;
| | - Jianjun Sun
- Border Biomedical Research Center, University of Texas at El Paso, El Paso, TX 79968, USA
| | - Wei Qian
- Department of Electrical and Computer Engineering, University of Texas, EI Paso, TX 79968, USA;
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33
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Liu GS, Kong Y, Wang Y, Luo Y, Fan X, Xie X, Yang BR, Wu MX. Microneedles for transdermal diagnostics: Recent advances and new horizons. Biomaterials 2020; 232:119740. [PMID: 31918227 PMCID: PMC7432994 DOI: 10.1016/j.biomaterials.2019.119740] [Citation(s) in RCA: 106] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 12/21/2019] [Accepted: 12/25/2019] [Indexed: 12/16/2022]
Abstract
Point-of-care testing (POCT), defined as the test performed at or near a patient, has been evolving into a complement to conventional laboratory diagnosis by continually providing portable, cost-effective, and easy-to-use measurement tools. Among them, microneedle-based POCT devices have gained increasing attention from researchers due to the glorious potential for detecting various analytes in a minimally invasive manner. More recently, a novel synergism between microneedle and wearable technologies is expanding their detection capabilities. Herein, we provide an overview on the progress in microneedle-based transdermal biosensors. It covers all the main aspects of the field, including design philosophy, material selection, and working mechanisms as well as the utility of the devices. We also discuss lessons from the past, challenges of the present, and visions for the future on translation of these state-of-the-art technologies from the bench to the bedside.
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Affiliation(s)
- Gui-Shi Liu
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, College of Science & Engineering, Jinan University, Guangzhou, 510632, China
| | - Yifei Kong
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Yensheng Wang
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA
| | - Yunhan Luo
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, College of Science & Engineering, Jinan University, Guangzhou, 510632, China
| | - Xudong Fan
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Xi Xie
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510006, China.
| | - Bo-Ru Yang
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, 510006, China.
| | - Mei X Wu
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA.
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34
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Yoon JH, Kim SM, Park HJ, Kim YK, Oh DX, Cho HW, Lee KG, Hwang SY, Park J, Choi BG. Highly self-healable and flexible cable-type pH sensors for real-time monitoring of human fluids. Biosens Bioelectron 2019; 150:111946. [PMID: 31929084 DOI: 10.1016/j.bios.2019.111946] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 11/20/2019] [Accepted: 11/30/2019] [Indexed: 11/18/2022]
Abstract
Development of sensing technology with wearable chemical sensors is realizing non-invasive, real-time monitoring healthcare and disease diagnostics. The advanced sensor devices should be compact and portable for use in limited space, easy to wear on human body, and low-cost for personalized healthcare markets. Here, we report a highly sensitive, flexible, and autonomously self-healable pH sensor cable developed by weaving together two carbon fiber thread electrodes coated with mechanically robust self-healing polymers. The pH sensor cable showed excellent electrochemical performances of sensitivity, repeatability, and durability. Spontaneous and autonomous sensor healing efficiency of the pH sensor cable was demonstrated by measuring sensitivity during four cycles of cutting and healing process. The pH sensor cable could measure pH in small volumes of real human fluid samples, including urine, saliva, and sweat, and the results were similar to those of a commercial pH meter. Taken together, successful real-time pH monitoring for human sweat was demonstrated by fabricating a wearable sensing system in which the pH sensor cable was knitted into a headband integrated with wireless electronics.
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Affiliation(s)
- Jo Hee Yoon
- Department of Chemical Engineering, Kangwon National University, Samcheok, Gangwon-do, 25913, Republic of Korea
| | - Seon-Mi Kim
- Research Center for Bio-based Chemistry, Korea Research Institute of Chemical Technology (KRICT), Ulsan, 44429, Republic of Korea
| | - Hong Jun Park
- Department of Chemical Engineering, Kangwon National University, Samcheok, Gangwon-do, 25913, Republic of Korea
| | - Yeong Kyun Kim
- Department of Chemical Engineering, Kangwon National University, Samcheok, Gangwon-do, 25913, Republic of Korea
| | - Dongyeop X Oh
- Research Center for Bio-based Chemistry, Korea Research Institute of Chemical Technology (KRICT), Ulsan, 44429, Republic of Korea; Advanced Materials and Chemical Engineering, University of Science and Technology (UST), Daejeon, 34113, Republic of Korea
| | - Han-Won Cho
- School of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, 34141, Republic of Korea
| | - Kyoung G Lee
- Nano-Bio Application Team, National Nanofab Center, Daejeon, 34141, Republic of Korea
| | - Sung Yeon Hwang
- Research Center for Bio-based Chemistry, Korea Research Institute of Chemical Technology (KRICT), Ulsan, 44429, Republic of Korea; Advanced Materials and Chemical Engineering, University of Science and Technology (UST), Daejeon, 34113, Republic of Korea.
| | - Jeyoung Park
- Research Center for Bio-based Chemistry, Korea Research Institute of Chemical Technology (KRICT), Ulsan, 44429, Republic of Korea; Advanced Materials and Chemical Engineering, University of Science and Technology (UST), Daejeon, 34113, Republic of Korea.
| | - Bong Gill Choi
- Department of Chemical Engineering, Kangwon National University, Samcheok, Gangwon-do, 25913, Republic of Korea.
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35
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Broza YY, Zhou X, Yuan M, Qu D, Zheng Y, Vishinkin R, Khatib M, Wu W, Haick H. Disease Detection with Molecular Biomarkers: From Chemistry of Body Fluids to Nature-Inspired Chemical Sensors. Chem Rev 2019; 119:11761-11817. [DOI: 10.1021/acs.chemrev.9b00437] [Citation(s) in RCA: 164] [Impact Index Per Article: 32.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Yoav Y. Broza
- Department of Chemical Engineering and Russell Berrie Nanotechnology Institute, Technion—Israel Institute of Technology, Haifa 3200003, Israel
| | - Xi Zhou
- School of Natural and Applied Sciences, Northwestern Polytechnical University, Xi’an 710072, P.R. China
| | - Miaomiao Yuan
- The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong 518033, P.R. China
| | - Danyao Qu
- School of Advanced Materials and Nanotechnology, Interdisciplinary Research Center of Smart Sensors, Xidian University, Shaanxi 710126, P.R. China
| | - Youbing Zheng
- Department of Chemical Engineering and Russell Berrie Nanotechnology Institute, Technion—Israel Institute of Technology, Haifa 3200003, Israel
| | - Rotem Vishinkin
- Department of Chemical Engineering and Russell Berrie Nanotechnology Institute, Technion—Israel Institute of Technology, Haifa 3200003, Israel
| | - Muhammad Khatib
- Department of Chemical Engineering and Russell Berrie Nanotechnology Institute, Technion—Israel Institute of Technology, Haifa 3200003, Israel
| | - Weiwei Wu
- School of Advanced Materials and Nanotechnology, Interdisciplinary Research Center of Smart Sensors, Xidian University, Shaanxi 710126, P.R. China
| | - Hossam Haick
- Department of Chemical Engineering and Russell Berrie Nanotechnology Institute, Technion—Israel Institute of Technology, Haifa 3200003, Israel
- School of Advanced Materials and Nanotechnology, Interdisciplinary Research Center of Smart Sensors, Xidian University, Shaanxi 710126, P.R. China
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36
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Su CK, Ho CC. Online profiling of living rat brain extracellular pH using a pH-Dependent solid phase extraction scheme coupled with microdialysis sampling and inductively coupled plasma mass spectrometry. Anal Chim Acta 2019; 1055:36-43. [DOI: 10.1016/j.aca.2018.12.020] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2018] [Revised: 12/07/2018] [Accepted: 12/09/2018] [Indexed: 01/14/2023]
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37
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Parrilla M, Cuartero M, Padrell Sánchez S, Rajabi M, Roxhed N, Niklaus F, Crespo GA. Wearable All-Solid-State Potentiometric Microneedle Patch for Intradermal Potassium Detection. Anal Chem 2019; 91:1578-1586. [PMID: 30543102 DOI: 10.1021/acs.analchem.8b04877] [Citation(s) in RCA: 97] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A new analytical all-solid-state platform for intradermal potentiometric detection of potassium in interstitial fluid is presented here. Solid microneedles are modified with different coatings and polymeric membranes to prepare both the potassium-selective electrode and reference electrode needed for the potentiometric readout. These microneedle-based electrodes are fixed in an epidermal patch suitable for insertion into the skin. The analytical performances observed for the potentiometric cell (Nernstian slope, limit of detection of 10-4.9 potassium activity, linear range of 10-4.2 to 10-1.1, drift of 0.35 ± 0.28 mV h-1), together with a fast response time, adequate selectivity, and excellent reproducibility and repeatability, are appropriate for potassium analysis in interstitial fluid within both clinical and harmful levels. The potentiometric response is maintained after several insertions into animal skin, confirming the resiliency of the microneedle-based sensor. Ex vivo tests based on the intradermal detection of potassium in chicken and porcine skin demonstrate that the microneedle patch is suitable for monitoring potassium changes inside the skin. In addition, the dimensions of the microneedles modified with the corresponding layers necessary to enhance robustness and provide sensing capabilities (1000 μm length, 45° tip angle, 15 μm thickness in the tip, and 435 μm in the base) agree with the required ranges for a painless insertion into the skin. In vitro cytotoxicity experiments showed that the patch can be used for at least 24 h without any side effect for the skin cells. Overall, the developed concept constitutes important progress in the intradermal analysis of ions related to an electrolyte imbalance in humans, which is relevant for the control of certain types of diseases.
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Affiliation(s)
- Marc Parrilla
- Department of Chemistry, School of Engineering Science in Chemistry, Biochemistry and Health , KTH Royal Institute of Technology , Teknikringen 30 , SE-100 44 Stockholm , Sweden
| | - María Cuartero
- Department of Chemistry, School of Engineering Science in Chemistry, Biochemistry and Health , KTH Royal Institute of Technology , Teknikringen 30 , SE-100 44 Stockholm , Sweden
| | - Sara Padrell Sánchez
- Department of Clinical Science, Intervention and Technology , Karolinska Institutet , K 57 , SE-141 86 Stockholm , Sweden.,Division of Obstetrics and Gynecology , Karolinska Universitetssjukhuset , 14186 Stockholm , Sweden
| | - Mina Rajabi
- Department of Micro and Nanosystems, School of Electrical Engineering and Computer Science , KTH Royal Institute of Technology , Malvinas väg 10 , SE-100 44 Stockholm , Sweden
| | - Niclas Roxhed
- Department of Micro and Nanosystems, School of Electrical Engineering and Computer Science , KTH Royal Institute of Technology , Malvinas väg 10 , SE-100 44 Stockholm , Sweden
| | - Frank Niklaus
- Department of Micro and Nanosystems, School of Electrical Engineering and Computer Science , KTH Royal Institute of Technology , Malvinas väg 10 , SE-100 44 Stockholm , Sweden
| | - Gastón A Crespo
- Department of Chemistry, School of Engineering Science in Chemistry, Biochemistry and Health , KTH Royal Institute of Technology , Teknikringen 30 , SE-100 44 Stockholm , Sweden
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38
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Christensen HL, Barbuskaite D, Rojek A, Malte H, Christensen IB, Füchtbauer AC, Füchtbauer EM, Wang T, Praetorius J, Damkier HH. The choroid plexus sodium-bicarbonate cotransporter NBCe2 regulates mouse cerebrospinal fluid pH. J Physiol 2018; 596:4709-4728. [PMID: 29956324 PMCID: PMC6166071 DOI: 10.1113/jp275489] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Accepted: 06/19/2018] [Indexed: 12/25/2022] Open
Abstract
Key points Normal pH is crucial for proper functioning of the brain, and disorders increasing the level of CO2 in the blood lead to a decrease in brain pH. CO2 can easily cross the barriers of the brain and will activate chemoreceptors leading to an increased exhalation of CO2. The low pH, however, is harmful and bases such as HCO3− are imported across the brain barriers in order to normalize brain pH. We show that the HCO3− transporter NBCe2 in the choroid plexus of the blood‐cerebrospinal fluid barrier is absolutely necessary for normalizing CSF pH during high levels of CO2. This discovery represents a significant step in understanding the molecular mechanisms behind regulation of CSF pH during acid‐base disturbances, such as chronic lung disease.
Abstract The choroid plexus epithelium (CPE) is located in the brain ventricles where it produces the majority of the cerebrospinal fluid (CSF). The hypothesis that normal brain function is sustained by CPE‐mediated CSF pH regulation by extrusion of acid‐base equivalents was tested by determining the contribution of the electrogenic Na+‐HCO3− cotransporter NBCe2 to CSF pH regulation. A novel strain of NBCe2 (Slc4a5) knockout (KO) mice was generated and validated. The base extrusion rate after intracellular alkalization was reduced by 77% in NBCe2 KO mouse CPE cells compared to control mice. NBCe2 KO mice and mice with CPE‐targeted NBCe2 siRNA knockdown displayed a reduction in CSF pH recovery during hypercapnia‐induced acidosis of approximately 85% and 90%, respectively, compared to control mice. NBCe2 KO did not affect baseline respiration rate or tidal volume, and the NBCe2 KO and wild‐type (WT) mice displayed similar ventilatory responses to 5% CO2 exposure. NBCe2 KO mice were not protected against pharmacological or heating‐induced seizure development. In conclusion, we establish the concept that the CPE is involved in the regulation of CSF pH by demonstrating that NBCe2 is necessary for proper CSF pH recovery after hypercapnia‐induced acidosis. Normal pH is crucial for proper functioning of the brain, and disorders increasing the level of CO2 in the blood lead to a decrease in brain pH. CO2 can easily cross the barriers of the brain and will activate chemoreceptors leading to an increased exhalation of CO2. The low pH, however, is harmful and bases such as HCO3− are imported across the brain barriers in order to normalize brain pH. We show that the HCO3− transporter NBCe2 in the choroid plexus of the blood‐cerebrospinal fluid barrier is absolutely necessary for normalizing CSF pH during high levels of CO2. This discovery represents a significant step in understanding the molecular mechanisms behind regulation of CSF pH during acid‐base disturbances, such as chronic lung disease.
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Affiliation(s)
| | - Dagne Barbuskaite
- Department of Cellular and Molecular Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | | | - Hans Malte
- Department of Bioscience, Science and Technology, Aarhus University, Denmark
| | | | - Annette C Füchtbauer
- Department of Molecular Biology and Genetics, Science and Technology, Aarhus University, Denmark
| | - Ernst-Martin Füchtbauer
- Department of Molecular Biology and Genetics, Science and Technology, Aarhus University, Denmark
| | - Tobias Wang
- Department of Bioscience, Science and Technology, Aarhus University, Denmark
| | | | - Helle H Damkier
- Department of Biomedicine, Health, Aarhus University, Denmark.,Department of Cellular and Molecular Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
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39
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Casimero C, McConville A, Fearon JJ, Lawrence CL, Taylor CM, Smith RB, Davis J. Sensor systems for bacterial reactors: A new flavin-phenol composite film for the in situ voltammetric measurement of pH. Anal Chim Acta 2018; 1027:1-8. [PMID: 29866258 DOI: 10.1016/j.aca.2018.04.053] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2018] [Revised: 04/19/2018] [Accepted: 04/20/2018] [Indexed: 11/15/2022]
Abstract
Monitoring pH within microbial reactors has become an important requirement across a host of applications ranging from the production of functional foods (probiotics) to biofuel cell systems. An inexpensive and scalable composite sensor capable of monitoring the pH within the demanding environments posed by microbial reactors has been developed. A custom designed flavin derivative bearing an electropolymerisable phenol monomer was used to create a redox film sensitive to pH but free from the interferences that can impede conventional pH systems. The film was integrated within a composite carbon-fibre-polymer laminate and was shown to exhibit Nernstian behaviour (55 mV/pH) with minimal drift and robust enough to operate within batch reactors.
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Affiliation(s)
- Charnete Casimero
- School of Engineering, Ulster University, Jordanstown, Northern Ireland, BT37 0QB, UK
| | - Aaron McConville
- School of Engineering, Ulster University, Jordanstown, Northern Ireland, BT37 0QB, UK
| | - John-Joe Fearon
- School of Engineering, Ulster University, Jordanstown, Northern Ireland, BT37 0QB, UK
| | - Clare L Lawrence
- Centre for Materials Science, Physical Sciences and Computing, University of Central Lancashire, Preston, PR1 2HE, UK
| | - Charlotte M Taylor
- School of Pharmacy and Biomedical Sciences, Faculty of Clinical and Biomedical Sciences, University of Central Lancashire, Preston, PR1 2HE, UK
| | - Robert B Smith
- Centre for Materials Science, Physical Sciences and Computing, University of Central Lancashire, Preston, PR1 2HE, UK
| | - James Davis
- School of Engineering, Ulster University, Jordanstown, Northern Ireland, BT37 0QB, UK.
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40
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Zhou JX, Ding F, Tang LN, Li T, Li YH, Zhang YJ, Gong HY, Li YT, Zhang GJ. Monitoring of pH changes in a live rat brain with MoS2/PAN functionalized microneedles. Analyst 2018; 143:4469-4475. [DOI: 10.1039/c8an01149d] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Monitoring the dynamic pH changes in vivo remains very essential to comprehend the function of pH in various physiological processes.
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Affiliation(s)
- Jin-Xiu Zhou
- School of Laboratory Medicine
- Hubei University of Chinese Medicine
- Wuhan 430065
- PR China
| | - Fan Ding
- School of Laboratory Medicine
- Hubei University of Chinese Medicine
- Wuhan 430065
- PR China
| | - Li-Na Tang
- School of Laboratory Medicine
- Hubei University of Chinese Medicine
- Wuhan 430065
- PR China
| | - Teng Li
- School of Laboratory Medicine
- Hubei University of Chinese Medicine
- Wuhan 430065
- PR China
| | - Yun-Hui Li
- School of Laboratory Medicine
- Hubei University of Chinese Medicine
- Wuhan 430065
- PR China
| | - Yu-Jie Zhang
- School of Laboratory Medicine
- Hubei University of Chinese Medicine
- Wuhan 430065
- PR China
| | - Hao-Yue Gong
- School of Laboratory Medicine
- Hubei University of Chinese Medicine
- Wuhan 430065
- PR China
| | - Yu-Tao Li
- School of Laboratory Medicine
- Hubei University of Chinese Medicine
- Wuhan 430065
- PR China
| | - Guo-Jun Zhang
- School of Laboratory Medicine
- Hubei University of Chinese Medicine
- Wuhan 430065
- PR China
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41
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Yue S, Sun X, Wang N, Wang Y, Wang Y, Xu Z, Chen M, Wang J. SERS-Fluorescence Dual-Mode pH-Sensing Method Based on Janus Microparticles. ACS APPLIED MATERIALS & INTERFACES 2017; 9:39699-39707. [PMID: 29063750 DOI: 10.1021/acsami.7b13321] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
A surface-enhanced Raman scattering (SERS)-fluorescence dual-mode pH-sensing method based on Janus microgels was developed, which combined the advantages of high specificity offered by SERS and fast imaging afforded by fluorescence. Dual-mode probes, pH-dependent 4-mercaptobenzoic acid, and carbon dots were individually encapsulated in the independent hemispheres of Janus microparticles fabricated via a centrifugal microfluidic chip. On the basis of the obvious volumetric change of hydrogels in different pHs, the Janus microparticles were successfully applied for sensitive and reliable pH measurement from 1.0 to 8.0, and the two hemispheres showed no obvious interference. The proposed method addressed the limitation that sole use of the SERS-based pH sensing usually failed in strong acidic media. The gastric juice pH and extracellular pH change were measured separately in vitro using the Janus microparticles, which confirmed the validity of microgels for pH sensing. The microparticles exhibited good stability, reversibility, biocompatibility, and ideal semipermeability for avoiding protein contamination, and they have the potential to be implantable sensors to continuously monitor pH in vivo.
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Affiliation(s)
- Shuai Yue
- Research Center for Analytical Sciences, Northeastern University , Shenyang 110819, P. R. China
| | - Xiaoting Sun
- Research Center for Analytical Sciences, Northeastern University , Shenyang 110819, P. R. China
| | - Ning Wang
- Research Center for Analytical Sciences, Northeastern University , Shenyang 110819, P. R. China
| | - Yaning Wang
- Research Center for Analytical Sciences, Northeastern University , Shenyang 110819, P. R. China
| | - Yue Wang
- Research Center for Analytical Sciences, Northeastern University , Shenyang 110819, P. R. China
| | - Zhangrun Xu
- Research Center for Analytical Sciences, Northeastern University , Shenyang 110819, P. R. China
| | - Mingli Chen
- Research Center for Analytical Sciences, Northeastern University , Shenyang 110819, P. R. China
| | - Jianhua Wang
- Research Center for Analytical Sciences, Northeastern University , Shenyang 110819, P. R. China
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