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Luo X, Xie J, Yang L, Cui Y. An intelligent wearable artificial pancreas patch based on a microtube glucose sensor and an ultrasonic insulin pump. Talanta 2024; 273:125879. [PMID: 38490022 DOI: 10.1016/j.talanta.2024.125879] [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: 09/17/2023] [Revised: 03/01/2024] [Accepted: 03/04/2024] [Indexed: 03/17/2024]
Abstract
In order to improve the living standards of diabetes patients and reduce the negative health effects of this disease, the medical community has been actively searching for more effective treatments. In recent years, an artificial pancreas has emerged as an important approach to managing diabetes. Despite these recent advances, meeting the requirements for miniaturized size, accurate sensing and large-volume pumping capability remains a great challenge. Here, we present a novel miniaturized artificial pancreas based on a long microtube sensor integrated with an ultrasonic pump. Our device meets the requirements of achieving both accurate sensing and high pumping capacity. The artificial pancreas is constructed based on a long microtube that is low cost, painless and simple to operate, where the exterior of the microtube is fabricated as a glucose sensor for detecting diabetes and the interior of the microtube is used as a channel for delivering insulin through an ultrasonic pump. This work successfully achieved closed-loop control of blood glucose and treatment of diabetes in rats. It is expected that this work can open up new methodologies for the development of microsystems, and advance the management approach for diabetes patients.
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Affiliation(s)
- Xiaojin Luo
- School of Materials Science and Engineering, Peking University, Beijing, 100871, PR China
| | - Jiaye Xie
- School of Materials Science and Engineering, Peking University, Beijing, 100871, PR 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, PR China.
| | - Yue Cui
- School of Materials Science and Engineering, Peking University, Beijing, 100871, PR China.
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2
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Bocu R. Extended Review Concerning the Integration of Electrochemical Biosensors into Modern IoT and Wearable Devices. BIOSENSORS 2024; 14:214. [PMID: 38785688 PMCID: PMC11117989 DOI: 10.3390/bios14050214] [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: 03/28/2024] [Revised: 04/17/2024] [Accepted: 04/23/2024] [Indexed: 05/25/2024]
Abstract
Electrochemical biosensors include a recognition component and an electronic transducer, which detect the body fluids with a high degree of accuracy. More importantly, they generate timely readings of the related physiological parameters, and they are suitable for integration into portable, wearable and implantable devices that are significant relative to point-of-care diagnostics scenarios. As an example, the personal glucose meter fundamentally improves the management of diabetes in the comfort of the patients' homes. This review paper analyzes the principles of electrochemical biosensing and the structural features of electrochemical biosensors relative to the implementation of health monitoring and disease diagnostics strategies. The analysis particularly considers the integration of the biosensors into wearable, portable, and implantable systems. The fundamental aim of this paper is to present and critically evaluate the identified significant developments in the scope of electrochemical biosensing for preventive and customized point-of-care diagnostic devices. The paper also approaches the most important engineering challenges that should be addressed in order to improve the sensing accuracy, and enable multiplexing and one-step processes, which mediate the integration of electrochemical biosensing devices into digital healthcare scenarios.
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Affiliation(s)
- Razvan Bocu
- Department of Mathematics and Computer Science, Transilvania University of Brasov, 500036 Brasov, Romania
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3
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Bradshaw TM, Johnson CR, Broberg CA, Anderson DE, Schoenfisch MH. Sterilization Effects on Nitric Oxide-Releasing Glucose Sensors. SENSORS AND ACTUATORS. B, CHEMICAL 2024; 405:135311. [PMID: 38464808 PMCID: PMC10922015 DOI: 10.1016/j.snb.2024.135311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
Nitric oxide (NO) release from S-nitrosothiol-modified mesoporous silica nanoparticles imbedded in the diffusion limiting layer of a glucose sensor has been demonstrated as an effective strategy for mitigating the foreign body response common to sensor implantation, resulting in improved analytical performance. With respect to potential clinical translation of this approach, the effects of sterilization on NO-releasing biosensors require careful evaluation, as NO donor chemistry is sensitive to temperature and environment. Herein, we evaluated the influence of multiple sterilization methods on 1) sterilization success; 2) NO payload; and 3) sensor performance to establish the commercialization potential of NO-releasing glucose sensors. Sensors were treated with ethylene oxide gas, the most common sterilization method for intricate medical devices, which led to undesirable (i.e., premature) release of NO. To reduce NO loss, alternative sterilization methods that were studied included exposure to ultraviolet (UV) light and immersion in 70% ethanol (EtOH). Sterilization cycle times required to reach a 10-6 sterility assurance level were determined for both UV light and 70% EtOH against Gram-negative and -positive bacteria. The longest sterilization cycle times (258 s and 628 s for 70% EtOH and UV light, respectively) resulted in a negligible impact on benchtop sensor performance. However, sterilization with 70% ethanol resulted in a reduced NO-release duration. Ultraviolet light exposure for ~10 min proved successful at eliminating bacteria without compromising NO payloads or durations and presents as the most promising method for sterilization of these sensors. In addition, storage of NO-releasing sensor membranes at -20 and -80°C resulted in preservation of NO release for 6 and 12 months, respectively.
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Affiliation(s)
- Taron M. Bradshaw
- Department of Chemistry, University of North Carolina at Chapel Hill, North Carolina, 27599, United States
| | - Courtney R. Johnson
- Department of Chemistry, University of North Carolina at Chapel Hill, North Carolina, 27599, United States
| | - Christopher A. Broberg
- Department of Chemistry, University of North Carolina at Chapel Hill, North Carolina, 27599, United States
| | - Darci E. Anderson
- Department of Chemistry, University of North Carolina at Chapel Hill, North Carolina, 27599, United States
| | - Mark H. Schoenfisch
- Department of Chemistry, University of North Carolina at Chapel Hill, North Carolina, 27599, United States
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, North Carolina, 27599, United States
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4
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Yan B, Zhao Y, Peng H. Tissue-Matchable and Implantable Batteries Toward Biomedical Applications. SMALL METHODS 2023; 7:e2300501. [PMID: 37469190 DOI: 10.1002/smtd.202300501] [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: 04/14/2023] [Revised: 06/30/2023] [Indexed: 07/21/2023]
Abstract
Implantable electronic devices can realize real-time and reliable health monitoring, diagnosis, and treatment of human body, which are expected to overcome important bottlenecks in the biomedical field. However, the commonly used energy supply devices for them are implantable batteries based on conventional rigid device design with toxic components, which both mechanically and biologically mismatch soft biological tissues. Therefore, the development of highly soft, safe, and implantable tissue-matchable flexible batteries is of great significance and urgency for implantable bioelectronics. In this work, the recent advances of tissue-matchable and implantable flexible batteries are overviewed, focusing on the design strategies of electrodes/batteries and their biomedical applications. The mechanical flexibility, biocompatibility, and electrochemical performance in vitro and in vivo of these flexible electrodes/batteries are then discussed. Finally, perspectives are provided on the current challenges and possible directions of this field in the future.
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Affiliation(s)
- Bing Yan
- Institute of Flexible Electronics and Research and Development Institute of Northwestern Polytechnical University in Shenzhen, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Yang Zhao
- Institute of Flexible Electronics and Research and Development Institute of Northwestern Polytechnical University in Shenzhen, Northwestern Polytechnical University, Xi'an, 710072, China
- State Key Laboratory of Organic Electronics and Information Displays and Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, Nanjing, 210023, China
| | - Huisheng Peng
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science and Laboratory of Advanced Materials, Fudan University, Shanghai, 200438, China
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Wu J, Liu H, Chen W, Ma B, Ju H. Device integration of electrochemical biosensors. NATURE REVIEWS BIOENGINEERING 2023; 1:346-360. [PMID: 37168735 PMCID: PMC9951169 DOI: 10.1038/s44222-023-00032-w] [Citation(s) in RCA: 81] [Impact Index Per Article: 81.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 01/23/2023] [Indexed: 05/13/2023]
Abstract
Electrochemical biosensors incorporate a recognition element and an electronic transducer for the highly sensitive detection of analytes in body fluids. Importantly, they can provide rapid readouts and they can be integrated into portable, wearable and implantable devices for point-of-care diagnostics; for example, the personal glucose meter enables at-home assessment of blood glucose levels, greatly improving the management of diabetes. In this Review, we discuss the principles of electrochemical biosensing and the design of electrochemical biosensor devices for health monitoring and disease diagnostics, with a particular focus on device integration into wearable, portable and implantable systems. Finally, we outline the key engineering challenges that need to be addressed to improve sensing accuracy, enable multiplexing and one-step processes, and integrate electrochemical biosensing devices in digital health-care pathways.
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Affiliation(s)
- Jie Wu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
| | - Hong Liu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, China
| | - Weiwei Chen
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
- School of Geographic and Biologic Information, Nanjing University of Posts and Telecommunications, Nanjing, China
| | - Biao Ma
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, China
| | - Huangxian Ju
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
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Silica-Based Nanomaterials for Diabetes Mellitus Treatment. BIOENGINEERING (BASEL, SWITZERLAND) 2022; 10:bioengineering10010040. [PMID: 36671612 PMCID: PMC9855068 DOI: 10.3390/bioengineering10010040] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/15/2022] [Accepted: 12/23/2022] [Indexed: 12/31/2022]
Abstract
Diabetes mellitus, a chronic metabolic disease with an alarming global prevalence, is associated with several serious health threats, including cardiovascular diseases. Current diabetes treatments have several limitations and disadvantages, creating the need for new effective formulations to combat this disease and its associated complications. This motivated the development of therapeutic strategies to overcome some of these limitations, such as low therapeutic drug bioavailability or poor compliance of patients with current therapeutic methodologies. Taking advantage of silica nanoparticle characteristics such as tuneable particle and pore size, surface chemistry and biocompatibility, silica-based nanocarriers have been developed with the potential to treat diabetes and regulate blood glucose concentration. This review discusses the main topics in the field, such as oral administration of insulin, glucose-responsive devices and innovative administration routes.
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Ahmed S, Naga Srinivasu P, Alhumam A, Alarfaj M. AAL and Internet of Medical Things for Monitoring Type-2 Diabetic Patients. Diagnostics (Basel) 2022; 12:2739. [PMID: 36359582 PMCID: PMC9689636 DOI: 10.3390/diagnostics12112739] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 10/28/2022] [Accepted: 11/07/2022] [Indexed: 11/16/2023] Open
Abstract
Due to an aging population, assisted-care options are required so that senior citizens may maintain their independence at home for a longer time and rely less on caretakers. Ambient Assisted Living (AAL) encourages the creation of solutions that can help to optimize the environment for senior citizens with assistance while greatly reducing their challenges. A framework based on the Internet of Medical Things (IoMT) is used in the current study for the implementation of AAL technology to help patients with Type-2 diabetes. A glucose oxide sensor is used to monitor diabetic elderly people continuously. Spectrogram images are created from the recorded data from the sensor to assess and detect aberrant glucose levels. DenseNet-169 examines and analyzes the spectrogram pictures, and messages are sent to caregivers when aberrant glucose levels are detected. The current work describes both the spectrogram image analysis and the signal-to-spectrogram generating method. The study presents a future perspective model for a mobile application for real-time patient monitoring. Benchmark metrics evaluate the application's performances, including sensitivity, specificity, accuracy, and F1-score. Several cross--validations are used to evaluate the model's performance. The findings demonstrate that the proposed model can correctly identify patients with abnormal blood glucose levels.
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Affiliation(s)
- Shakeel Ahmed
- Department of Computer Science, College of Computer Sciences and Information Technology, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Parvathaneni Naga Srinivasu
- Department of Computer Science and Engineering, Prasad V Potluri Siddhartha Institute of Technology, Vijayawada 520007, India
| | - Abdulaziz Alhumam
- Department of Computer Science, College of Computer Sciences and Information Technology, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Mohammed Alarfaj
- Department of Electrical Engineering, College of Engineering, King Faisal University, Al-Ahsa 31982, Saudi Arabia
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8
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Taylor JB, Malone-Povolny MJ, Merricks EP, Wimsey LE, Soliman D, Nichols TC, Wallet SM, Maile R, Schoenfisch MH. Mechanisms of Foreign Body Response Mitigation by Nitric Oxide Release. Int J Mol Sci 2022; 23:11635. [PMID: 36232937 PMCID: PMC9569454 DOI: 10.3390/ijms231911635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/14/2022] [Accepted: 09/23/2022] [Indexed: 11/06/2022] Open
Abstract
Implantable glucose biosensors provide real-time information about blood glucose fluctuations, but their utility and accuracy are time-limited due to the foreign body response (FBR) following their insertion beneath the skin. The slow release of nitric oxide (NO), a gasotransmitter with inflammation regulatory properties, from a sensor surface has been shown to dramatically improve sensors' analytical biocompatibility by reducing the overall FBR response. Indeed, work in a porcine model suggests that as long as the implants (sensors) continue to release NO, even at low levels, the inflammatory cell infiltration and resulting collagen density are lessened. While these studies strongly support the benefits of NO release in mitigating the FBR, the mechanisms through which exogenous NO acts on the surrounding tissue, especially under the condition of hyperglycemia, remain vague. Such knowledge would inform strategies to refine appropriate NO dosage and release kinetics for optimal therapeutic activity. In this study, we evaluated mediator, immune cell, and mRNA expression profiles in the local tissue microenvironment surrounding implanted sensors as a function of NO release, diabetes, and implantation duration. A custom porcine wound healing-centric multiplex gene array was developed for nanoString barcoding analysis. Tissues adjacent to sensors with sustained NO release abrogated the implant-induced acute and chronic FBR through modulation of the tissue-specific immune chemokine and cytokine microenvironment, resulting in decreased cellular recruitment, proliferation, and activation at both the acute (7-d) and chronic (14-d) phases of the FBR. Further, we found that sustained NO release abrogated the implant-induced acute and chronic foreign body response through modulation of mRNA encoding for key immunological signaling molecules and pathways, including STAT1 and multiple STAT1 targets including MAPK14, IRAK4, MMP2, and CXCL10. The condition of diabetes promoted a more robust FBR to the implants, which was also controlled by sustained NO release.
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Affiliation(s)
- James B Taylor
- Department of Chemistry, University of North Carolina at Chapel Hill, CB3290, Chapel Hill, NC 27599, USA
| | - Maggie J Malone-Povolny
- Department of Chemistry, University of North Carolina at Chapel Hill, CB3290, Chapel Hill, NC 27599, USA
| | - Elizabeth P Merricks
- Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill, CB3290, Chapel Hill, NC 27599, USA
| | - Lauren E Wimsey
- Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill, CB3290, Chapel Hill, NC 27599, USA
| | - Daniel Soliman
- Department of Surgery, University of North Carolina at Chapel Hill, CB3290, Chapel Hill, NC 27599, USA
- Division of Oral and Craniofacial Health Sciences, University of North Carolina at Chapel Hill, CB3290, Chapel Hill, NC 27599, USA
| | - Timothy C Nichols
- Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill, CB3290, Chapel Hill, NC 27599, USA
| | - Shannon M Wallet
- Division of Oral and Craniofacial Health Sciences, University of North Carolina at Chapel Hill, CB3290, Chapel Hill, NC 27599, USA
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, CB3290, Chapel Hill, NC 27599, USA
| | - Robert Maile
- Department of Surgery, University of North Carolina at Chapel Hill, CB3290, Chapel Hill, NC 27599, USA
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, CB3290, Chapel Hill, NC 27599, USA
- Curriculum of Toxicology, University of North Carolina at Chapel Hill, CB3290, Chapel Hill, NC 27599, USA
| | - Mark H Schoenfisch
- Department of Chemistry, University of North Carolina at Chapel Hill, CB3290, Chapel Hill, NC 27599, USA
- Division of Pharmacoengineering and Molecular Pharmaceutics, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, CB3290, Chapel Hill, NC 27599, USA
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Johnston L, Wang G, Hu K, Qian C, Liu G. Advances in Biosensors for Continuous Glucose Monitoring Towards Wearables. Front Bioeng Biotechnol 2021; 9:733810. [PMID: 34490230 PMCID: PMC8416677 DOI: 10.3389/fbioe.2021.733810] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 08/09/2021] [Indexed: 11/18/2022] Open
Abstract
Continuous glucose monitors (CGMs) for the non-invasive monitoring of diabetes are constantly being developed and improved. Although there are multiple biosensing platforms for monitoring glucose available on the market, there is still a strong need to enhance their precision, repeatability, wearability, and accessibility to end-users. Biosensing technologies are being increasingly explored that use different bodily fluids such as sweat and tear fluid, etc., that can be calibrated to and therefore used to measure blood glucose concentrations accurately. To improve the wearability of these devices, exploring different fluids as testing mediums is essential and opens the door to various implants and wearables that in turn have the potential to be less inhibiting to the wearer. Recent developments have surfaced in the form of contact lenses or mouthguards for instance. Challenges still present themselves in the form of sensitivity, especially at very high or low glucose concentrations, which is critical for a diabetic person to monitor. This review summarises advances in wearable glucose biosensors over the past 5 years, comparing the different types as well as the fluid they use to detect glucose, including the CGMs currently available on the market. Perspectives on the development of wearables for glucose biosensing are discussed.
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Affiliation(s)
- Lucy Johnston
- School of Engineering, The University of Glasgow, Glasgow, United Kingdom
| | - Gonglei Wang
- School of Life and Health Sciences, The Chinese University of Hong Kong, Shenzhen, China
| | - Kunhui Hu
- Shenzhen YHLO Biotech Co., Ltd., Shenzhen, China
| | - Chungen Qian
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics, Hubei Bioinformatics and Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Guozhen Liu
- School of Life and Health Sciences, The Chinese University of Hong Kong, Shenzhen, China
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Zhang Q, Meyerhoff ME. Nitric Oxide Release for Enhanced Biocompatibility and Analytical Performance of Implantable Electrochemical Sensors. ELECTROANAL 2021. [DOI: 10.1002/elan.202100174] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Qi Zhang
- Department of Chemistry University of Michigan Ann Arbor MI 48109 USA
| | - Mark E. Meyerhoff
- Department of Chemistry University of Michigan Ann Arbor MI 48109 USA
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Artigues M, Gilabert-Porres J, Texidó R, Borrós S, Abellà J, Colominas S. Analytical Parameters of a Novel Glucose Biosensor Based on Grafted PFM as a Covalent Immobilization Technique. SENSORS (BASEL, SWITZERLAND) 2021; 21:4185. [PMID: 34207185 PMCID: PMC8235154 DOI: 10.3390/s21124185] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 05/31/2021] [Accepted: 06/15/2021] [Indexed: 12/17/2022]
Abstract
Bioanalytical methods, in particular electrochemical biosensors, are increasingly used in different industrial sectors due to their simplicity, low cost, and fast response. However, to be able to reliably use this type of device, it is necessary to undertake in-depth evaluation of their fundamental analytical parameters. In this work, analytical parameters of an amperometric biosensor based on covalent immobilization of glucose oxidase (GOx) were evaluated. GOx was immobilized using plasma-grafted pentafluorophenyl methacrylate (pgPFM) as an anchor onto a tailored HEMA-co-EGDA hydrogel that coats a titanium dioxide nanotubes array (TiO2NTAs). Finally, chitosan was used to protect the enzyme molecules. The biosensor offered outstanding analytical parameters: repeatability (RSD = 1.7%), reproducibility (RSD = 1.3%), accuracy (deviation = 4.8%), and robustness (RSD = 2.4%). In addition, the Ti/TiO2NTAs/ppHEMA-co-EGDA/pgPFM/GOx/Chitosan biosensor showed good long-term stability; after 20 days, it retained 89% of its initial sensitivity. Finally, glucose concentrations of different food samples were measured and compared using an official standard method (HPLC). Deviation was lower than 10% in all measured samples. Therefore, the developed biosensor can be considered to be a reliable analytical tool for quantification measurements.
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Affiliation(s)
- Margalida Artigues
- Electrochemical Methods Laboratory-Analytical and Applied Chemistry Department at Institut Químic de Sarrià, Universitat Ramon Llull, Via Augusta, 390, 08017 Barcelona, Spain; (M.A.); (J.A.)
| | - Joan Gilabert-Porres
- Tractivus SL, Via Augusta, 394, 08017 Barcelona, Spain; (J.G.-P.); (R.T.); (S.B.)
- Grup d’Enginyeria de Materials (GEMAT) at Institut Químic de Sarrià, Universitat Ramon Llull, Via Augusta, 390, 08017 Barcelona, Spain
| | - Robert Texidó
- Tractivus SL, Via Augusta, 394, 08017 Barcelona, Spain; (J.G.-P.); (R.T.); (S.B.)
- Grup d’Enginyeria de Materials (GEMAT) at Institut Químic de Sarrià, Universitat Ramon Llull, Via Augusta, 390, 08017 Barcelona, Spain
| | - Salvador Borrós
- Tractivus SL, Via Augusta, 394, 08017 Barcelona, Spain; (J.G.-P.); (R.T.); (S.B.)
- Grup d’Enginyeria de Materials (GEMAT) at Institut Químic de Sarrià, Universitat Ramon Llull, Via Augusta, 390, 08017 Barcelona, Spain
- CIBER-BBN, Networking Center on Bioengineering, Biomaterials and Nanomedicine, 500018 Zaragoza, Spain
| | - Jordi Abellà
- Electrochemical Methods Laboratory-Analytical and Applied Chemistry Department at Institut Químic de Sarrià, Universitat Ramon Llull, Via Augusta, 390, 08017 Barcelona, Spain; (M.A.); (J.A.)
| | - Sergi Colominas
- Electrochemical Methods Laboratory-Analytical and Applied Chemistry Department at Institut Químic de Sarrià, Universitat Ramon Llull, Via Augusta, 390, 08017 Barcelona, Spain; (M.A.); (J.A.)
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Wu M, Lu Z, Wu K, Nam C, Zhang L, Guo J. Recent advances in the development of nitric oxide-releasing biomaterials and their application potentials in chronic wound healing. J Mater Chem B 2021; 9:7063-7075. [PMID: 34109343 DOI: 10.1039/d1tb00847a] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Chronic wounds, such as pressure ulcers, vascular ulcers and diabetic foot ulcers (DFUs), often stay in a state of pathological inflammation and suffer from persistent infection, excess inflammation, and hypoxia, thus they are difficult to be healed. Nitric oxide (NO) plays a critical role in the regulation of various wound healing processes, including inflammatory response, cell proliferation, collagen formation, antimicrobial action and angiogenesis. The important role of NO in wound healing attracts intensive research focus on NO-based wound healing therapy. However, the application of NO gas therapy needs to resolve the intrinsic shortcomings of gas therapy, such as short storage and release times as well as temporal and spatial uncontrollability of the release mode. So far, various types of NO donors, including organic nitrates (RONO2), nitrites (RONO), S-nitrosothiols (RSNOs), nitrosamines, N-diazeniumdiolates (NONOates), and metal-NO complexes, have been developed to solidify gaseous NO and they were further encapsulated in or conjugated onto a variety of biomaterial vectors to develop NO delivery systems. NO synthetic enzyme mimics to catalyze the production and release of NO from l-arginine have also been developed. This paper reviews recent advances of NO donors, biomaterial vectors, thus-formed NO delivery systems, as well as recently emerged NO synthetic enzyme mimics. Furthermore, this review also summarizes the functions of NO releasing biomaterials that would benefit chronic wound healing, including antibacterial properties and the promotion of angiogenesis, as well as the convenient combination of light/thermal induced NO release with light/thermal therapies, and the prospects for future developing trends in this area.
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Affiliation(s)
- Min Wu
- Department of Histology and Embryology, NMPA Key Laboratory for Safety Evaluation of Cosmetics, School of Basic Medical Sciences, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Southern Medical University, Guangzhou, China.
| | - Zhihui Lu
- Department of Histology and Embryology, NMPA Key Laboratory for Safety Evaluation of Cosmetics, School of Basic Medical Sciences, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Southern Medical University, Guangzhou, China.
| | - Keke Wu
- Department of Histology and Embryology, NMPA Key Laboratory for Safety Evaluation of Cosmetics, School of Basic Medical Sciences, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Southern Medical University, Guangzhou, China.
| | - Changwoo Nam
- Department of Organic Materials and Fiber Engineering, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju-si, Jeollabuk-do 54896, Republic of Korea.
| | - Lin Zhang
- Department of Histology and Embryology, NMPA Key Laboratory for Safety Evaluation of Cosmetics, School of Basic Medical Sciences, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Southern Medical University, Guangzhou, China.
| | - Jinshan Guo
- Department of Histology and Embryology, NMPA Key Laboratory for Safety Evaluation of Cosmetics, School of Basic Medical Sciences, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Southern Medical University, Guangzhou, China.
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13
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Malone-Povolny MJ, Bradshaw TM, Merricks EP, Long CT, Nichols TC, Schoenfisch MH. Combination of Nitric Oxide Release and Surface Texture for Mitigating the Foreign Body Response. ACS Biomater Sci Eng 2021; 7:2444-2452. [PMID: 33848421 DOI: 10.1021/acsbiomaterials.1c00022] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
The tissue response to polyurethane (PU)-coated implants employing active and/or passive FBR mitigation techniques was evaluated over a 28 day study in a diabetic swine model. Active FBR mitigation was achieved through the sustained release of nitric oxide (NO) from a mesoporous silica nanoparticle-doped PU coating. Passive FBR mitigation was achieved through the application of a foam- or fiber-based topcoat. These topcoats were designed to possess topographical features known to promote tissue integration with foam-coated implants having pore sizes of approximately 50 μm and fiber-coated implants consisting of fiber diameters of less than 1 μm. Nitric oxide-release profiles were minimally impacted by the presence of either topcoat. Inflammatory cell density and collagen density at the implant-tissue interface were assessed at 7, 14, 21, and 28 days following implantation. Nitric oxide-releasing implants had significantly lower inflammatory cell density and collagen density than non-NO-releasing controls. The presence of a topcoat did not significantly impact inflammatory cell density, though top-coated textured implants resulted in significantly lower collagen density, irrespective of NO release. Overall, coatings that combine NO release with surface texture demonstrated the greatest potential for tissue-based biomedical device applications.
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Affiliation(s)
- Maggie J Malone-Povolny
- Department of Chemistry, University of North Carolina at Chapel Hill, CB3290, Chapel Hill, North Carolina 27599, United States
| | - Taron M Bradshaw
- Department of Chemistry, University of North Carolina at Chapel Hill, CB3290, Chapel Hill, North Carolina 27599, United States
| | - Elizabeth P Merricks
- Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill, CB3290, Chapel Hill, North Carolina 27599, United States
| | - C Tyler Long
- Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill, CB3290, Chapel Hill, North Carolina 27599, United States
| | - Timothy C Nichols
- Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill, CB3290, Chapel Hill, North Carolina 27599, United States
| | - Mark H Schoenfisch
- Department of Chemistry, University of North Carolina at Chapel Hill, CB3290, Chapel Hill, North Carolina 27599, United States
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Teymourian H, Barfidokht A, Wang J. Electrochemical glucose sensors in diabetes management: an updated review (2010-2020). Chem Soc Rev 2020; 49:7671-7709. [PMID: 33020790 DOI: 10.1039/d0cs00304b] [Citation(s) in RCA: 269] [Impact Index Per Article: 67.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
While over half a century has passed since the introduction of enzyme glucose biosensors by Clark and Lyons, this important field has continued to be the focus of immense research activity. Extensive efforts during the past decade have led to major scientific and technological innovations towards tight monitoring of diabetes. Such continued progress toward advanced continuous glucose monitoring platforms, either minimal- or non-invasive, holds considerable promise for addressing the limitations of finger-prick blood testing toward tracking glucose trends over time, optimal therapeutic interventions, and improving the life of diabetes patients. However, despite these major developments, the field of glucose biosensors is still facing major challenges. The scope of this review is to present the key scientific and technological advances in electrochemical glucose biosensing over the past decade (2010-present), along with current obstacles and prospects towards the ultimate goal of highly stable and reliable real-time minimally-invasive or non-invasive glucose monitoring. After an introduction to electrochemical glucose biosensors, we highlight recent progress based on using advanced nanomaterials at the electrode-enzyme interface of three generations of glucose sensors. Subsequently, we cover recent activity and challenges towards next-generation wearable non-invasive glucose monitoring devices based on innovative sensing principles, alternative body fluids, advanced flexible materials, and novel platforms. This is followed by highlighting the latest progress in the field of minimally-invasive continuous glucose monitoring (CGM) which offers real-time information about interstitial glucose levels, by focusing on the challenges toward developing biocompatible membrane coatings to protect electrochemical glucose sensors against surface biofouling. Subsequent sections cover new analytical concepts of self-powered glucose sensors, paper-based glucose sensing and multiplexed detection of diabetes-related biomarkers. Finally, we will cover the latest advances in commercially available devices along with the upcoming future technologies.
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Affiliation(s)
- Hazhir Teymourian
- Department of NanoEngineering, University of California San Diego, La Jolla, CA 92093, USA.
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Ahmadi Y, Kim KH. Functionalization and customization of polyurethanes for biosensing applications: A state-of-the-art review. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2020.115881] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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