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Pereira R, Vinayakumar KB, Sillankorva S. Polymeric Microneedles for Health Care Monitoring: An Emerging Trend. ACS Sens 2024; 9:2294-2309. [PMID: 38654679 PMCID: PMC11129353 DOI: 10.1021/acssensors.4c00612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Revised: 04/09/2024] [Accepted: 04/17/2024] [Indexed: 04/26/2024]
Abstract
Bioanalyte collection by blood draw is a painful process, prone to needle phobia and injuries. Microneedles can be engineered to penetrate the epidermal skin barrier and collect analytes from the interstitial fluid, arising as a safe, painless, and effective alternative to hypodermic needles. Although there are plenty of reviews on the various types of microneedles and their use as drug delivery systems, there is a lack of systematization on the application of polymeric microneedles for diagnosis. In this review, we focus on the current state of the art of this field, while providing information on safety, preclinical and clinical trials, and market distribution, to outline what we believe will be the future of health monitoring.
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Affiliation(s)
- Raquel
L. Pereira
- INL − International Iberian
Nanotechnology Laboratory, Av. Mestre José Veiga, 4715-330 Braga, Portugal
| | - K. B. Vinayakumar
- INL − International Iberian
Nanotechnology Laboratory, Av. Mestre José Veiga, 4715-330 Braga, Portugal
| | - Sanna Sillankorva
- INL − International Iberian
Nanotechnology Laboratory, Av. Mestre José Veiga, 4715-330 Braga, Portugal
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2
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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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3
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Sun H, Zheng Y, Shi G, Haick H, Zhang M. Wearable Clinic: From Microneedle-Based Sensors to Next-Generation Healthcare Platforms. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2207539. [PMID: 36950771 DOI: 10.1002/smll.202207539] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 02/24/2023] [Indexed: 06/18/2023]
Abstract
The rapid development of wearable biosensing calls for next-generation devices that allow continuous, real-time, and painless monitoring of health status along with responsive medical treatment. Microneedles have exhibited great potential for the direct access of dermal interstitial fluid (ISF) in a minimally invasive manner. Recent studies of microneedle-based devices have evolved from conventional off-line detection to multiplexed, wireless, and integrated sensing. In this review, the classification and fabrication techniques of microneedles are first introduced, and then the representative examples of microneedles for transdermal monitoring with different sensing modalities are summarized. State-of-the-art advances in therapeutic and closed-loop systems are presented to formulate guidelines for the development of next-generation microneedle-based healthcare platforms. The potential challenges and prospects are discussed to pave a new avenue toward pragmatic applications in the real world.
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Affiliation(s)
- Hongyi Sun
- School of Chemistry and Molecular Engineering, Shanghai Key Laboratory for Urban Ecological Processes and Eco-Restoration, East China Normal University, Shanghai, 200241, China
| | - Youbin Zheng
- Department of Chemical Engineering and Russell Berrie Nanotechnology Institute, Technion - Israel Institute of Technology, Haifa, 320003, Israel
| | - Guoyue Shi
- School of Chemistry and Molecular Engineering, Shanghai Key Laboratory for Urban Ecological Processes and Eco-Restoration, East China Normal University, Shanghai, 200241, China
| | - Hossam Haick
- Department of Chemical Engineering and Russell Berrie Nanotechnology Institute, Technion - Israel Institute of Technology, Haifa, 320003, Israel
| | - Min Zhang
- School of Chemistry and Molecular Engineering, Shanghai Key Laboratory for Urban Ecological Processes and Eco-Restoration, East China Normal University, Shanghai, 200241, China
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4
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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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5
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Harpak N, Borberg E, Raz A, Patolsky F. The "Bloodless" Blood Test: Intradermal Prick Nanoelectronics for the Blood Extraction-Free Multiplex Detection of Protein Biomarkers. ACS NANO 2022; 16:13800-13813. [PMID: 36006419 PMCID: PMC9527802 DOI: 10.1021/acsnano.2c01793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 08/22/2022] [Indexed: 06/15/2023]
Abstract
Protein biomarkers' detection is of utmost importance for preventive medicine and early detection of illnesses. Today, their detection relies entirely on clinical tests consisting of painful, invasive extraction of large volumes of venous blood; time-consuming postextraction sample manipulation procedures; and mostly label-based complex detection approaches. Here, we report on a point-of-care (POC) diagnosis paradigm based on the application of intradermal finger prick-based electronic nanosensors arrays for protein biomarkers' direct detection and quantification down to the sub-pM range, without the need for blood extraction and sample manipulation steps. The nanobioelectronic array performs biomarker sensing by a rapid intradermal prick-based sampling of proteins biomarkers directly from the capillary blood pool accumulating at the site of the microneedle puncture, requiring only 2 min and less than one microliter of a blood sample for a complete analysis. A 1 mm long microneedle element was optimal in allowing for pain-free dermal sampling with a 100% success rate of reaching and rupturing dermis capillaries. Current common micromachining processes and top-down fabrication techniques allow the nanobioelectronic sensor arrays to provide accurate and reliable clinical diagnostic results using multiple sensing elements in each microneedle and all-in-one direct and label-free multiplex biomarkers detection. Preliminary successful clinical studies performed on human volunteers demonstrated the ability of our intradermal, in-skin, blood extraction-free detection platform to accurately detect protein biomarkers as a plausible POC detection for future replacement of today's invasive clinical blood tests. This approach can be readily extended in the future to detect other clinically relevant circulating biomarkers, such as miRNAs, free-DNAs, exosomes, and small metabolites.
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Affiliation(s)
- Nimrod Harpak
- School
of Chemistry, Faculty of Exact Sciences, Tel Aviv University, Tel Aviv69978, Israel
| | - Ella Borberg
- School
of Chemistry, Faculty of Exact Sciences, Tel Aviv University, Tel Aviv69978, Israel
| | - Adva Raz
- Department
of Materials Science and Engineering, the Iby and Aladar Fleischman
Faculty of Engineering, Tel Aviv University, Tel Aviv69978, Israel
| | - Fernando Patolsky
- School
of Chemistry, Faculty of Exact Sciences, Tel Aviv University, Tel Aviv69978, Israel
- Department
of Materials Science and Engineering, the Iby and Aladar Fleischman
Faculty of Engineering, Tel Aviv University, Tel Aviv69978, Israel
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Ibrahim SF, Taft BJ, Wang Y, Lee BI, Andrade E, Abaya C, Pramanick S, Mannath T, Hurley KA, Mahmood TA, Dickerson TJ. Minimally Invasive Skin Transcriptome Extraction Using a Dermal Biomarker Patch. Dermatol Ther (Heidelb) 2022; 12:1313-1323. [PMID: 35488970 PMCID: PMC9209581 DOI: 10.1007/s13555-022-00733-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 04/13/2022] [Indexed: 11/11/2022] Open
Abstract
Introduction Advances in the scientific understanding of the skin and characteristic genomic dermal signatures continue to develop rapidly. Nonetheless, skin diagnosis remains predicated on a subjective visual examination, frequently followed by biopsy and histology. These procedures often are not sufficiently sensitive, and in the case of many inflammatory diseases, biopsies are not justified, creating a situation where high-quality samples can be difficult to obtain. The wealth of molecular information available and the pace at which new data are acquired suggest that methods for minimally invasive biomarker collection could dramatically alter our understanding of skin disease and positively impact treatment paradigms. Methods A chemical method was optimized to covalently modify custom dermal patches with single-stranded DNA that could bind to messenger RNA. These patches were applied to ex vivo skin samples and penetration evaluated by histological methods. Patches were then applied to both the skin of normal human subjects (lower arm) as well as lesional skin of psoriasis patients, and the transcriptome captured (N = 7; 33 unique samples). Standard RNA-Seq processing was performed to assess the gene detection rate and assessments made of the reproducibility of the extraction procedure as well as the overlap with matched punch biopsy samples from the same patient. Results We have developed a dermal biomarker patch (DBP) designed to be minimally invasive and extract the dermal transcriptome. Using this platform, we have demonstrated successful molecular analysis from healthy human skin and psoriatic lesions, replicating the molecular information captured with punch biopsy. Conclusion This DBP enables an unprecedented ability to monitor the molecular “fingerprint” of the skin over time or with various interventions, and generate previously inaccessible rich datasets. Furthermore, use of the DBP could be favored by patients relative to biopsy by limiting pain resulting from biopsy procedures. Given the large dynamic range observed in psoriatic skin, analysis of complex phenotypes is now possible, and the power of machine-learning methods can be brought to bear on dermatologic disease.
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Affiliation(s)
- Sherrif F Ibrahim
- Department of Dermatology, University of Rochester, 40 Celebration Drive, College Town, Rochester, NY, 14620, USA.
| | - Bradford J Taft
- Mindera Corporation, 5795 Kearny Villa Road, San Diego, CA, 92123, USA
| | - Yipeng Wang
- Mindera Corporation, 5795 Kearny Villa Road, San Diego, CA, 92123, USA
| | - Byung-In Lee
- Mindera Corporation, 5795 Kearny Villa Road, San Diego, CA, 92123, USA
| | - Eric Andrade
- Mindera Corporation, 5795 Kearny Villa Road, San Diego, CA, 92123, USA
| | - Christian Abaya
- Mindera Corporation, 5795 Kearny Villa Road, San Diego, CA, 92123, USA
| | - Shreya Pramanick
- Mindera Corporation, 5795 Kearny Villa Road, San Diego, CA, 92123, USA
| | - Thejus Mannath
- Mindera Corporation, 5795 Kearny Villa Road, San Diego, CA, 92123, USA
| | | | - Tahir A Mahmood
- Mindera Corporation, 5795 Kearny Villa Road, San Diego, CA, 92123, USA
| | - Tobin J Dickerson
- Mindera Corporation, 5795 Kearny Villa Road, San Diego, CA, 92123, USA.
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Lu H, Zada S, Yang L, Dong H. Microneedle-Based Device for Biological Analysis. Front Bioeng Biotechnol 2022; 10:851134. [PMID: 35528208 PMCID: PMC9068878 DOI: 10.3389/fbioe.2022.851134] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Accepted: 03/11/2022] [Indexed: 12/14/2022] Open
Abstract
The collection and analysis of biological samples are an effective means of disease diagnosis and treatment. Blood sampling is a traditional approach in biological analysis. However, the blood sampling approach inevitably relies on invasive techniques and is usually performed by a professional. The microneedle (MN)-based devices have gained increasing attention due to their noninvasive manner compared to the traditional blood-based analysis method. In the present review, we introduce the materials for fabrication of MNs. We categorize MN-based devices based on four classes: MNs for transdermal sampling, biomarker capture, detecting or monitoring analytes, and bio-signal recording. Their design strategies and corresponding application are highlighted and discussed in detail. Finally, future perspectives of MN-based devices are discussed.
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Affiliation(s)
- Huiting Lu
- Department of Chemistry, School of Chemistry and Biological Engineering, University of Science & Technology Beijing, Beijing, China
| | - Shah Zada
- Marshall Laboratory of Biomedical Engineering Research Center for Biosensor and Nanotheranostic, School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen, China
- *Correspondence: Shah Zada, ; Haifeng Dong,
| | - Lingzhi Yang
- Marshall Laboratory of Biomedical Engineering Research Center for Biosensor and Nanotheranostic, School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen, China
| | - Haifeng Dong
- Department of Chemistry, School of Chemistry and Biological Engineering, University of Science & Technology Beijing, Beijing, China
- Marshall Laboratory of Biomedical Engineering Research Center for Biosensor and Nanotheranostic, School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen, China
- *Correspondence: Shah Zada, ; Haifeng Dong,
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8
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Sharma R, Geranpayehvaghei M, Ejeian F, Razmjou A, Asadnia M. Recent advances in polymeric nanostructured ion selective membranes for biomedical applications. Talanta 2021; 235:122815. [PMID: 34517671 DOI: 10.1016/j.talanta.2021.122815] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 08/13/2021] [Accepted: 08/18/2021] [Indexed: 12/30/2022]
Abstract
Nano structured ion-selective membranes (ISMs) are very attractive materials for a wide range of sensing and ion separation applications. The present review focuses on the design principles of various ISMs; nanostructured and ionophore/ion acceptor doped ISMs, and their use in biomedical engineering. Applications of ISMs in the biomedical field have been well-known for more than half a century in potentiometric analysis of biological fluids and pharmaceutical products. However, the emergence of nanotechnology and sophisticated sensing methods assisted in miniaturising ion-selective electrodes to needle-like sensors that can be designed in the form of implantable or wearable devices (smartwatch, tattoo, sweatband, fabric patch) for health monitoring. This article provides a critical review of recent advances in miniaturization, sensing and construction of new devices over last decade (2011-2021). The designing of tunable ISM with biomimetic artificial ion channels offered intensive opportunities and innovative clinical analysis applications, including precise biosensing, controlled drug delivery and early disease diagnosis. This paper will also address the future perspective on potential applications and challenges in the widespread use of ISM for clinical use. Finally, this review details some recommendations and future directions to improve the accuracy and robustness of ISMs for biomedical applications.
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Affiliation(s)
- Rajni Sharma
- School of Engineering, Macquarie University, Sydney, NSW, 2109, Australia
| | - Marzieh Geranpayehvaghei
- School of Engineering, Macquarie University, Sydney, NSW, 2109, Australia; Department of Nanobiotechnology, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, 14115-175, Iran
| | - Fatemeh Ejeian
- Department of Animal Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran; Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, 73441-81746, Iran
| | - Amir Razmjou
- School of Engineering, Macquarie University, Sydney, NSW, 2109, Australia; Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, 73441-81746, Iran; Centre for Technology in Water and Wastewater, University of Technology Sydney, New South Wales, Australia; UNESCO Center for Membrane Technology, School of Chemical Engineering, University of New South Wales, Sydney, NSW, 2052, Australia
| | - Mohsen Asadnia
- School of Engineering, Macquarie University, Sydney, NSW, 2109, Australia.
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Advances of Microneedles in Biomedical Applications. Molecules 2021; 26:molecules26195912. [PMID: 34641460 PMCID: PMC8512585 DOI: 10.3390/molecules26195912] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 09/17/2021] [Accepted: 09/20/2021] [Indexed: 01/16/2023] Open
Abstract
A microneedle (MN) is a painless and minimally invasive drug delivery device initially developed in 1976. As microneedle technology evolves, microneedles with different shapes (cone and pyramid) and forms (solid, drug-coated, hollow, dissolvable and hydrogel-based microneedles) have been developed. The main objective of this review is the applications of microneedles in biomedical areas. Firstly, the classifications and manufacturing of microneedle are briefly introduced so that we can learn the advantages and fabrications of different MNs. Secondly, research of microneedles in biomedical therapy such as drug delivery systems, diagnoses of disease, as well as wound repair and cancer therapy are overviewed. Finally, the safety and the vision of the future of MNs are discussed.
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Teymourian H, Tehrani F, Mahato K, Wang J. Lab under the Skin: Microneedle Based Wearable Devices. Adv Healthc Mater 2021; 10:e2002255. [PMID: 33646612 DOI: 10.1002/adhm.202002255] [Citation(s) in RCA: 86] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 01/31/2021] [Indexed: 12/12/2022]
Abstract
While the current smartwatches and cellphones can readily track mobility and vital signs, a new generation of wearable devices is rapidly developing to enable users to monitor their health parameters at the molecular level. Within this emerging class of wearables, microneedle-based transdermal sensors are in a prime position to play a key role in synergizing the significant advantages of dermal interstitial fluid (ISF) as a rich source of clinical indicators and painless skin pricking to allow the collection of real-time diagnostic information. While initial efforts of microneedle sensing focused on ISF extraction coupled with either on-chip analysis or off-chip instrumentation, the latest trend has been oriented toward assembling electrochemical biosensors on the tip of microneedles to allow direct continuous chemical measurements. In this context, significant advances have recently been made in exploiting microneedle-based devices for real-time monitoring of various metabolites, electrolytes, and therapeutics and toward the simultaneous multiplexed detection of key chemical markers; yet, there are several grand challenges that still exist. In this review, we outline current progress, recent trends, and new capabilities of microneedle-empowered sensors, along with the current unmet challenges and a future roadmap toward transforming the latest innovations in the field to commercial products.
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Affiliation(s)
- Hazhir Teymourian
- Department of Nanoengineering University of California San Diego La Jolla CA 92093 USA
| | - Farshad Tehrani
- Department of Nanoengineering University of California San Diego La Jolla CA 92093 USA
| | - Kuldeep Mahato
- Department of Nanoengineering University of California San Diego La Jolla CA 92093 USA
| | - Joseph Wang
- Department of Nanoengineering University of California San Diego La Jolla CA 92093 USA
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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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12
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Ye S, Feng S, Huang L, Bian S. Recent Progress in Wearable Biosensors: From Healthcare Monitoring to Sports Analytics. BIOSENSORS 2020; 10:E205. [PMID: 33333888 PMCID: PMC7765261 DOI: 10.3390/bios10120205] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/11/2020] [Accepted: 12/13/2020] [Indexed: 02/07/2023]
Abstract
Recent advances in lab-on-a-chip technology establish solid foundations for wearable biosensors. These newly emerging wearable biosensors are capable of non-invasive, continuous monitoring by miniaturization of electronics and integration with microfluidics. The advent of flexible electronics, biochemical sensors, soft microfluidics, and pain-free microneedles have created new generations of wearable biosensors that explore brand-new avenues to interface with the human epidermis for monitoring physiological status. However, these devices are relatively underexplored for sports monitoring and analytics, which may be largely facilitated by the recent emergence of wearable biosensors characterized by real-time, non-invasive, and non-irritating sensing capacities. Here, we present a systematic review of wearable biosensing technologies with a focus on materials and fabrication strategies, sampling modalities, sensing modalities, as well as key analytes and wearable biosensing platforms for healthcare and sports monitoring with an emphasis on sweat and interstitial fluid biosensing. This review concludes with a summary of unresolved challenges and opportunities for future researchers interested in these technologies. With an in-depth understanding of the state-of-the-art wearable biosensing technologies, wearable biosensors for sports analytics would have a significant impact on the rapidly growing field-microfluidics for biosensing.
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Affiliation(s)
- Shun Ye
- Microfluidics Research & Innovation Laboratory, School of Sport Science, Beijing Sport University, Beijing 100084, China;
- Biomedical Engineering Department, College of Engineering, Pennsylvania State University, University Park, PA 16802, USA
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Shilun Feng
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China;
- School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore
| | - Liang Huang
- School of Instrument Science and Opto–Electronics Engineering, Hefei University of Technology, Hefei 230009, China;
| | - Shengtai Bian
- Microfluidics Research & Innovation Laboratory, School of Sport Science, Beijing Sport University, Beijing 100084, China;
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13
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Kang YE, Seong KY, Yim SG, Lee Y, An SM, Kim SC, Kim K, An BS, Lee KS, Yang SY. Nanochannel-driven rapid capture of sub-nanogram level biomarkers for painless preeclampsia diagnosis. Biosens Bioelectron 2020; 163:112281. [PMID: 32568694 DOI: 10.1016/j.bios.2020.112281] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Revised: 04/28/2020] [Accepted: 05/06/2020] [Indexed: 12/28/2022]
Abstract
Preeclampsia (PE) is a pregnancy-specific hypertensive syndrome recognized as the leading cause of maternal and fetal morbidity and mortality worldwide. Painful blood-collection procedures or low accuracy of non-invasive approaches require faster, patient-friendly, and more sensitive diagnostic technologies. Here we report a painless, highly sensitive detection platform using nanoporous microneedles (nMNs) that enables rapid capture of biomarkers present at sub-nanogram levels. The highly porous nanostructures on the nMN surface were prepared by anodization of aluminum MN and then functionalized by immobilization of capture antibodies to detect target biomarkers based on an immunoassay method. The immuno-functionalized nMN array demonstrated rapid capture of an estrogen (E2) biomarker for PE following a 1-min incubation and exhibited a concentration-dependent change in fluorescence intensity over the E2 range of 0.5 ng mL-1 to 1000 ng mL-1 after treatment with fluorescence-detection antibodies. Remarkably, the nMN patch selectively detected sub-nanogram-levels of E2 in subcutaneous interstitial fluid from rats with increased diagnostic accuracy as compared with commercial immunoassay kits. This bio-functionalized nMN platform showed improved biosensing capability for multiple PE-related biomarkers, including hormones and proteins. Furthermore, this painless method demonstrated efficacy as a point-of-need diagnostic platform using portable smartphone-based fluorescence microscope to obtain fluorescence images of biomarker-captured nMN arrays.
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Affiliation(s)
- Ye-Eun Kang
- Department of Biomaterials Science, Pusan National University, Miryang, 50463, Republic of Korea
| | - Keum-Yong Seong
- Department of Biomaterials Science, Pusan National University, Miryang, 50463, Republic of Korea
| | - Sang-Gu Yim
- Department of Biomaterials Science, Pusan National University, Miryang, 50463, Republic of Korea
| | - Yechan Lee
- Department of Biomaterials Science, Pusan National University, Miryang, 50463, Republic of Korea
| | - Sung-Min An
- Department of Biomaterials Science, Pusan National University, Miryang, 50463, Republic of Korea
| | - Seung Chul Kim
- Department of Obstetrics and Gynecology, Pusan National University School of Medicine, Busan, 49241, Republic of Korea
| | - Kyujung Kim
- Department of Cogno-Mechatronics Engineering, Pusan National University, Busan, 46241, Republic of Korea
| | - Beum-Soo An
- Department of Biomaterials Science, Pusan National University, Miryang, 50463, Republic of Korea
| | - Kyu-Sup Lee
- Department of Obstetrics and Gynecology, Pusan National University School of Medicine, Busan, 49241, Republic of Korea
| | - Seung Yun Yang
- Department of Biomaterials Science, Pusan National University, Miryang, 50463, Republic of Korea.
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14
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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: 104] [Impact Index Per Article: 26.0] [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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Abstract
Biological surfaces such as skin and ocular surface provide a plethora of information about the underlying biological activity of living organisms. However, they pose unique problems arising from their innate complexity, constant exposure of the surface to the surrounding elements, and the general requirement of any sampling method to be as minimally invasive as possible. Therefore, it is challenging but also rewarding to develop novel analytical tools that are suitable for in vivo and in situ sampling from biological surfaces. In this context, wearable extraction devices including passive samplers, extractive patches, and different microextraction technologies come forward as versatile, low-invasive, fast, and reliable sampling and sample preparation tools that are applicable for in vivo and in situ sampling. This review aims to address recent developments in non-invasive in vivo and in situ sampling methods from biological surfaces that introduce new ways and improve upon existing ones. Directions for the development of future technology and potential areas of applications such as clinical, bioanalytical, and doping analyses will also be discussed. These advancements include various types of passive samplers, hydrogels, and polydimethylsiloxane (PDMS) patches/microarrays, and other wearable extraction devices used mainly in skin sampling, among other novel techniques developed for ocular surface and oral tissue/fluid sampling.
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16
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Kolluru C, Williams M, Chae J, Prausnitz MR. Recruitment and Collection of Dermal Interstitial Fluid Using a Microneedle Patch. Adv Healthc Mater 2019; 8:e1801262. [PMID: 30609270 DOI: 10.1002/adhm.201801262] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 11/26/2018] [Indexed: 12/16/2022]
Abstract
Interstitial fluid (ISF) that surrounds cells in tissues of the body is a novel source of biomarker that complements conventional sources like blood, urine, and saliva. To overcome difficulties in harvesting ISF, a minimally invasive, rapid, simple-to-use, cost-effective method is developed to collect ISF from the skin involving a microneedle (MN) patch. By pressing 650 µm long MNs at an angle just below the skin surface, blood-free ISF flows through micropores to the skin surface and is absorbed into a thin strip of paper on the MN patch backing for subsequent analysis. An optimized method in rat skin in vivo is well tolerated and able to collect >2 µL of ISF within 1 min. Brief skin pretreatment with MNs followed by a 5 min delay dramatically increases subsequent ISF collection by a mechanism believed to involve increased skin hydration. ISF collection using an MN patch has the potential to simplify access to biomarkers in ISF for research and future medical diagnostic and monitoring applications.
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Affiliation(s)
- Chandana Kolluru
- School of Chemical and Biomolecular Engineering Georgia Institute of Technology 311 Ferst Drive Atlanta GA 30332 USA
| | - Mikayla Williams
- School of Chemical and Biomolecular Engineering Georgia Institute of Technology 311 Ferst Drive Atlanta GA 30332 USA
| | - Jeremy Chae
- School of Chemical and Biomolecular Engineering Georgia Institute of Technology 311 Ferst Drive Atlanta GA 30332 USA
| | - Mark R. Prausnitz
- School of Chemical and Biomolecular Engineering Georgia Institute of Technology 311 Ferst Drive Atlanta GA 30332 USA
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17
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Land KJ. The Many Roads to an Ideal Paper-based Device. PAPER-BASED DIAGNOSTICS 2018. [PMCID: PMC7119996 DOI: 10.1007/978-3-319-96870-4_6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
The recent Zika and Ebola virus outbreaks highlight the need for low-cost diagnostics that can be rapidly deployed and used outside of established clinical infrastructure. This demand for robust point-of-care (POC) diagnostics is further driven by the increasing burden of drug-resistant diseases, concern for food and water safety, and bioterrorism. As has been discussed in previous chapters, paper-based tests provide a simple and compelling solution to such needs.
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Affiliation(s)
- Kevin J. Land
- Council for Scientific and Industrial Research, Pretoria, South Africa
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18
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Babity S, Roohnikan M, Brambilla D. Advances in the Design of Transdermal Microneedles for Diagnostic and Monitoring Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1803186. [PMID: 30353663 DOI: 10.1002/smll.201803186] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Revised: 09/28/2018] [Indexed: 06/08/2023]
Abstract
Due to their intrinsic advantages over classical hypodermic needles, microneedles have received much attention over the last two decades and will likely soon appear in clinics. Although the vast majority of research is focused on designing microneedles for the painless delivery of drugs, their applications for diagnostic purposes have also provided promising results. In this paper, the main advances in the field of microneedles for diagnostic and patient monitoring purposes are introduced and critically discussed.
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Affiliation(s)
- Samuel Babity
- Faculty of Pharmacy, University of Montreal, Montreal, QC, H3T 1J4, Canada
| | - Mahdi Roohnikan
- Faculty of Pharmacy, University of Montreal, Montreal, QC, H3T 1J4, Canada
| | - Davide Brambilla
- Faculty of Pharmacy, University of Montreal, Montreal, QC, H3T 1J4, Canada
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19
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Cummins G, Kremer J, Bernassau A, Brown A, Bridle HL, Schulze H, Bachmann TT, Crichton M, Denison FC, Desmulliez MPY. Sensors for Fetal Hypoxia and Metabolic Acidosis: A Review. SENSORS (BASEL, SWITZERLAND) 2018; 18:E2648. [PMID: 30104478 PMCID: PMC6111374 DOI: 10.3390/s18082648] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 07/30/2018] [Accepted: 08/02/2018] [Indexed: 12/11/2022]
Abstract
This article reviews existing clinical practices and sensor research undertaken to monitor fetal well-being during labour. Current clinical practices that include fetal heart rate monitoring and fetal scalp blood sampling are shown to be either inadequate or time-consuming. Monitoring of lactate in blood is identified as a potential alternative for intrapartum fetal monitoring due to its ability to distinguish between different types of acidosis. A literature review from a medical and technical perspective is presented to identify the current advancements in the field of lactate sensors for this application. It is concluded that a less invasive and a more continuous monitoring device is required to fulfill the clinical needs of intrapartum fetal monitoring. Potential specifications for such a system are also presented in this paper.
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Affiliation(s)
- Gerard Cummins
- Institute of Sensors, Signals and Systems, Heriot-Watt University, Riccarton EH14 4AS, Scotland, UK.
| | - Jessica Kremer
- Institute of Sensors, Signals and Systems, Heriot-Watt University, Riccarton EH14 4AS, Scotland, UK.
| | - Anne Bernassau
- Institute of Sensors, Signals and Systems, Heriot-Watt University, Riccarton EH14 4AS, Scotland, UK.
| | - Andrew Brown
- MRC Centre for Reproductive Health, Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, Scotland, UK.
| | - Helen L Bridle
- Institute of Sensors, Signals and Systems, Heriot-Watt University, Riccarton EH14 4AS, Scotland, UK.
| | - Holger Schulze
- Division of Infection and Pathway Medicine, Edinburgh Medical School, The Chancellor's Building, The University of Edinburgh, Edinburgh EH16 4SB, Scotland, UK.
| | - Till T Bachmann
- Division of Infection and Pathway Medicine, Edinburgh Medical School, The Chancellor's Building, The University of Edinburgh, Edinburgh EH16 4SB, Scotland, UK.
| | - Michael Crichton
- Institute of Mechanical, Processing and Energy Engineering, Heriot-Watt University, Riccarton EH14 4AS, Scotland, UK.
| | - Fiona C Denison
- MRC Centre for Reproductive Health, Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, Scotland, UK.
| | - Marc P Y Desmulliez
- Institute of Sensors, Signals and Systems, Heriot-Watt University, Riccarton EH14 4AS, Scotland, UK.
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20
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Samant PP, Prausnitz MR. Mechanisms of sampling interstitial fluid from skin using a microneedle patch. Proc Natl Acad Sci U S A 2018; 115:4583-4588. [PMID: 29666252 PMCID: PMC5939066 DOI: 10.1073/pnas.1716772115] [Citation(s) in RCA: 161] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Although interstitial fluid (ISF) contains biomarkers of physiological significance and medical interest, sampling of ISF for clinical applications has made limited impact due to a lack of simple, clinically useful techniques that collect more than nanoliter volumes of ISF. This study describes experimental and theoretical analysis of ISF transport from skin using microneedle (MN) patches and demonstrates collection of >1 µL of ISF within 20 min in pig cadaver skin and living human subjects using an optimized system. MN patches containing arrays of submillimeter solid, porous, or hollow needles were used to penetrate superficial skin layers and access ISF through micropores (µpores) formed upon insertion. Experimental studies in pig skin found that ISF collection depended on transport mechanism according to the rank order diffusion < capillary action < osmosis < pressure-driven convection, under the conditions studied. These findings were in agreement with independent theoretical modeling that considered transport within skin, across the interface between skin and µpores, and within µpores to the skin surface. This analysis indicated that the rate-limiting step for ISF sampling is transport through the dermis. Based on these studies and other considerations like safety and convenience for future clinical use, we designed an MN patch prototype to sample ISF using suction as the driving force. Using this approach, we collected ISF from human volunteers and identified the presence of biomarkers in the collected ISF. In this way, sampling ISF from skin using an MN patch could enable collection of ISF for use in research and medicine.
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Affiliation(s)
- Pradnya P Samant
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332
| | - Mark R Prausnitz
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332
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21
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Coffey JW, Corrie SR, Kendall MAF. Rapid and selective sampling of IgG from skin in less than 1 min using a high surface area wearable immunoassay patch. Biomaterials 2018; 170:49-57. [PMID: 29649748 DOI: 10.1016/j.biomaterials.2018.03.039] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Revised: 03/20/2018] [Accepted: 03/22/2018] [Indexed: 11/24/2022]
Abstract
Microprojection array (MPA) patches are an attractive approach to selectively capture circulating proteins from the skin with minimal invasiveness for diagnostics at the point-of-care or in the home. A key challenge to develop this technology is to extract sufficient quantities of specific proteins from within the skin to enable high diagnostic sensitivity within a convenient amount of time. To achieve this, we investigated the effect of MPA geometry (i.e. projection density, length and array size) on protein capture. We hypothesised that the penetrated surface area of MPAs is a major determinant of protein capture however it was not known if simultaneously increasing projection density, length and array size is possible without adversely affecting penetration and/or tolerability. We show that increasing the projection density (5000-30,000 proj. cm-2) and array size (4-36 mm2) significantly increases biomarker capture whilst maintaining of a similar level tolerability, which supports previous literature for projection length (40-190 μm). Ultimately, we designed a high surface area MPA (30,000 proj. cm-2, 36 mm2, 140 μm) with a 4.5-fold increase in penetrated surface area compared to our standard MPA design (20,408 proj. cm-2, 16 mm2, 100 μm). The high surface area MPA captured antigen-specific IgG from mice in 30 s with 100% diagnostic sensitivity compared with 10-30 min for previous MPA immunoassay patches, which is over an order of magnitude reduction in wear time. This demonstrates for the first time that MPAs may be used for ultra-rapid (<1 min) protein capture from skin in a time competitive with standard clinical procedures like the needle and lancet, which has broad implications for minimally invasive and point-of-care diagnostics.
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Affiliation(s)
- Jacob W Coffey
- Australian Institute for Bioengineering and Nanotechnology, Delivery of Drugs and Genes Group (D2G2), The University of Queensland, St Lucia, Queensland 4072, Australia; Department of Chemical Engineering and Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA; ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, St Lucia, Queensland 4072, Australia
| | - Simon R Corrie
- Australian Institute for Bioengineering and Nanotechnology, Delivery of Drugs and Genes Group (D2G2), The University of Queensland, St Lucia, Queensland 4072, Australia; ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, St Lucia, Queensland 4072, Australia; Department of Chemical Engineering, Monash University, Clayton, Victoria, 3800, Australia; Australian Infectious Diseases Research Centre, St. Lucia, Queensland, 4067, Australia
| | - Mark A F Kendall
- Australian Institute for Bioengineering and Nanotechnology, Delivery of Drugs and Genes Group (D2G2), The University of Queensland, St Lucia, Queensland 4072, Australia; ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, St Lucia, Queensland 4072, Australia; Australian Infectious Diseases Research Centre, St. Lucia, Queensland, 4067, Australia; The Australian National University, Canberra, Australian Capital Territory 2600, Australia.
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22
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Lee KT, Coffey JW, Robinson KJ, Muller DA, Grøndahl L, Kendall MAF, Young PR, Corrie SR. Investigating the Effect of Substrate Materials on Wearable Immunoassay Performance. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:773-782. [PMID: 28006902 DOI: 10.1021/acs.langmuir.6b03933] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Immunoassays are ubiquitous across research and clinical laboratories, yet little attention is paid to the effect of the substrate material on the assay performance characteristics. Given the emerging interest in wearable immunoassay formats, investigations into substrate materials that provide an optimal mix of mechanical and bioanalytical properties are paramount. In the course of our research in developing wearable immunoassays which can penetrate skin to selectively capture disease antigens from the underlying blood vessels, we recently identified significant differences in immunoassay performance between gold and polycarbonate surfaces, even with a consistent surface modification procedure. We observed significant differences in PEG density, antibody immobilization, and nonspecific adsorption between the two substrates. Despite a higher PEG density formed on gold-coated surfaces than on amine-functionalized polycarbonate, the latter revealed a higher immobilized capture antibody density and lower nonspecific adsorption, leading to improved signal-to-noise ratios and assay sensitivities. The major conclusion from this study is that in designing wearable bioassays or biosensors, the design and its effect on the antifouling polymer layer can significantly affect the assay performance in terms of analytical specificity and sensitivity.
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Affiliation(s)
| | | | | | | | | | - Mark A F Kendall
- Australian Infectious Diseases Research Centre, St. Lucia, Queensland 4067, Australia
- Faculty of Medicine and Biomedical Sciences, Royal Brisbane and Women's Hospital , Herston, Queensland 4029, Australia
| | - Paul R Young
- Australian Infectious Diseases Research Centre, St. Lucia, Queensland 4067, Australia
| | - Simon R Corrie
- Australian Infectious Diseases Research Centre, St. Lucia, Queensland 4067, Australia
- Department of Chemical Engineering, ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Monash University , Clayton, Victoria 3800, Australia
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23
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Meliga SC, Coffey JW, Crichton ML, Flaim C, Veidt M, Kendall MA. The hyperelastic and failure behaviors of skin in relation to the dynamic application of microscopic penetrators in a murine model. Acta Biomater 2017; 48:341-356. [PMID: 27746361 DOI: 10.1016/j.actbio.2016.10.021] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Revised: 09/25/2016] [Accepted: 10/12/2016] [Indexed: 12/20/2022]
Abstract
In-depth understanding of skin elastic and rupture behavior is fundamental to enable next-generation biomedical devices to directly access areas rich in cells and biomolecules. However, the paucity of skin mechanical characterization and lack of established fracture models limits their rational design. We present an experimental and numerical study of skin mechanics during dynamic interaction with individual and arrays of micro-penetrators. Initially, micro-indentation of individual skin strata revealed hyperelastic moduli were dramatically rate-dependent, enabling extrapolation of stiffness properties at high velocity regimes (>1ms-1). A layered finite-element model satisfactorily predicted the penetration of micro-penetrators using characteristic fracture energies (∼10pJμm-2) significantly lower than previously reported (≫100pJμm-2). Interestingly, with our standard application conditions (∼2ms-1, 35gpistonmass), ∼95% of the application kinetic energy was transferred to the backing support rather than the skin ∼5% (murine ear model). At higher velocities (∼10ms-1) strain energy accumulated in the top skin layers, initiating fracture before stress waves transmitted deformation to the backing material, increasing energy transfer efficiency to 55%. Thus, the tools developed provide guidelines to rationally engineer skin penetrators to increase depth targeting consistency and payload delivery across patients whilst minimizing penetration energy to control skin inflammation, tolerability and acceptability. STATEMENT OF SIGNIFICANCE The mechanics of skin penetration by dynamically-applied microscopic tips is investigated using a combined experimental-computational approach. A FE model of skin is parameterized using indentation tests and a ductile-failure implementation validated against penetration assays. The simulations shed light on skin elastic and fracture properties, and elucidate the interaction with microprojection arrays for vaccine delivery allowing rational design of next-generation devices.
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24
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Wu JH, Li B, Wu MX. Laser-induced capillary leakage for blood biomarker detection and vaccine delivery via the skin. JOURNAL OF BIOPHOTONICS 2016; 9:676-682. [PMID: 26776718 PMCID: PMC4929029 DOI: 10.1002/jbio.201500226] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Revised: 11/06/2015] [Accepted: 01/02/2016] [Indexed: 06/05/2023]
Abstract
Circulation system is the center for coordination and communication of all organs in our body. Examination of any change in its analytes or delivery of therapeutic drugs into the system consists of important medical practice in today's medicine. Two recent studies prove that brief illumination of skin with a low powered laser, at wavelengths preferentially absorbed by hemoglobin, increases the amount of circulating biomarkers in the epidermis and upper dermis by more than 1,000-fold. When probe-coated microneedle arrays are applied into laser-treated skin, plasma blood biomarkers can be reliably, accurately, and sufficiently quantified in 15∼30 min assays, with a maximal detection in one hr in a manner independent of penetration depth or a molecular mass of the biomarker. Moreover, the laser treatment permits a high efficient delivery of radiation-attenuated malarial sporozoites (RAS) into the circulation, leading to robust immunity against malaria infections, whereas similar immunization at sham-treated skin elicits poor immune responses. Thus this technology can potentially instruct designs of small, portable devices for onsite, in mobile clinics, or at home for point-of-care diagnosis and drug/vaccine delivery via the skin. Laser-induced capillary leakage (a) to induce extravasation of circualing molecules only (b) or facilitate entry of attenuated malaria sporozoites into the capillary (c). Skin illumination with a laser preferably absorbed by hemoglobin causes dilation of the capillary beneath the skin. The extravasated molecules can be sufficiently measured in the skin or guide sporozoites to enter the vessel.
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Affiliation(s)
- Jeffrey H Wu
- Wellman Center for Photomedicine, Massachusetts General Hospital, Department of Dermatology, Harvard Medical School, 50 Blossom Street, Edwards 222, Boston, MA 02114, USA
| | - Bo Li
- Wellman Center for Photomedicine, Massachusetts General Hospital, Department of Dermatology, Harvard Medical School, 50 Blossom Street, Edwards 222, Boston, MA 02114, USA
| | - Mei X Wu
- Wellman Center for Photomedicine, Massachusetts General Hospital, Department of Dermatology, Harvard Medical School, 50 Blossom Street, Edwards 222, Boston, MA 02114, USA.
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25
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Mooney K, McElnay JC, Donnelly RF. Paediatricians' opinions of microneedle-mediated monitoring: a key stage in the translation of microneedle technology from laboratory into clinical practice. Drug Deliv Transl Res 2016; 5:346-59. [PMID: 25787733 DOI: 10.1007/s13346-015-0223-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Microneedle (MN) arrays could offer an alternative method to traditional drug delivery and blood sampling methods. However, acceptance among key end-users is critical for new technologies to succeed. MNs have been advocated for use in children and so, paediatricians are key potential end-users. However, the opinions of paediatricians on MN use have been previously unexplored. The aim of this study was to investigate the views of UK paediatricians on the use of MN technology within neonatal and paediatric care. An online survey was developed and distributed among UK paediatricians to gain their opinions of MN technology and its use in the neonatal and paediatric care settings, particularly for MN-mediated monitoring. A total of 145 responses were obtained, with a completion response rate of 13.7 %. Respondents believed an alternative monitoring technique to blood sampling in children was required. Furthermore, 83 % of paediatricians believed there was a particular need in premature neonates. Overall, this potential end-user group approved of the MN technology and a MN-mediated monitoring approach. Minimal pain and the perceived ease of use were important elements in gaining favour. Concerns included the need for confirmation of correct application and the potential for skin irritation. The findings of this study provide an initial indication of MN acceptability among a key potential end-user group. Furthermore, the concerns identified present a challenge to those working within the MN field to provide solutions to further improve this technology. The work strengthens the rationale behind MN technology and facilitates the translation of MN technology from lab bench into the clinical setting.
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Affiliation(s)
- Karen Mooney
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, UK
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Ng KW, Lau WM, Williams AC. Towards pain-free diagnosis of skin diseases through multiplexed microneedles: biomarker extraction and detection using a highly sensitive blotting method. Drug Deliv Transl Res 2016; 5:387-96. [PMID: 25939431 DOI: 10.1007/s13346-015-0231-5] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Immunodiagnostic microneedles provide a novel way to extract protein biomarkers from the skin in a minimally invasive manner for analysis in vitro. The technology could overcome challenges in biomarker analysis specifically in solid tissue, which currently often involves invasive biopsies. This study describes the development of a multiplex immunodiagnostic device incorporating mechanisms to detect multiple antigens simultaneously, as well as internal assay controls for result validation. A novel detection method is also proposed. It enables signal detection specifically at microneedle tips and therefore may aid the construction of depth profiles of skin biomarkers. The detection method can be coupled with computerised densitometry for signal quantitation. The antigen specificity, sensitivity and functional stability of the device were assessed against a number of model biomarkers. Detection and analysis of endogenous antigens (interleukins 1α and 6) from the skin using the device was demonstrated. The results were verified using conventional enzyme-linked immunosorbent assays. The detection limit of the microneedle device, at ≤10 pg/mL, was at least comparable to conventional plate-based solid-phase enzyme immunoassays.
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Affiliation(s)
- Keng Wooi Ng
- School of Pharmacy and Biomolecular Sciences, University of Brighton, Huxley Building, Lewes Road, Brighton, BN2 4GJ, UK,
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Coffey JW, Meliga SC, Corrie SR, Kendall MA. Dynamic application of microprojection arrays to skin induces circulating protein extravasation for enhanced biomarker capture and detection. Biomaterials 2016; 84:130-143. [DOI: 10.1016/j.biomaterials.2016.01.015] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Revised: 12/27/2015] [Accepted: 01/01/2016] [Indexed: 11/16/2022]
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Miller P, Moorman M, Manginell R, Ashlee C, Brener I, Wheeler D, Narayan R, Polsky R. Towards an Integrated Microneedle Total Analysis Chip for Protein Detection. ELECTROANAL 2016. [DOI: 10.1002/elan.201600063] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Corrie SR, Coffey JW, Islam J, Markey KA, Kendall MAF. Blood, sweat, and tears: developing clinically relevant protein biosensors for integrated body fluid analysis. Analyst 2016; 140:4350-64. [PMID: 25909342 DOI: 10.1039/c5an00464k] [Citation(s) in RCA: 123] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Biosensors are being developed to provide rapid, quantitative, diagnostic information to clinicians in order to help guide patient treatment, without the need for centralised laboratory assays. The success of glucose monitoring is a key example of where technology innovation has met a clinical need at multiple levels – from the pathology laboratory all the way to the patient's home. However, few other biosensor devices are currently in routine use. Here we review the challenges and opportunities regarding the integration of biosensor techniques into body fluid sampling approaches, with emphasis on the point-of-care setting.
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Affiliation(s)
- S R Corrie
- The University of Queensland, Australian Institute for Bioengineering and Nanotechnology, Delivery of Drugs and Genes Group (D2G2), St Lucia, Queensland 4072, Australia.
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Miller PR, Narayan RJ, Polsky R. Microneedle-based sensors for medical diagnosis. J Mater Chem B 2016; 4:1379-1383. [DOI: 10.1039/c5tb02421h] [Citation(s) in RCA: 82] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The field of microneedle sensors is reviewed discussing current trends and future applications.
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Affiliation(s)
| | - Roger J. Narayan
- Joint Department of Biomedical Engineering
- University of North Carolina and North Carolina State University
- Raleigh
- USA
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Caffarel-Salvador E, Brady AJ, Eltayib E, Meng T, Alonso-Vicente A, Gonzalez-Vazquez P, Torrisi BM, Vicente-Perez EM, Mooney K, Jones DS, Bell SEJ, McCoy CP, McCarthy HO, McElnay JC, Donnelly RF. Hydrogel-Forming Microneedle Arrays Allow Detection of Drugs and Glucose In Vivo: Potential for Use in Diagnosis and Therapeutic Drug Monitoring. PLoS One 2015; 10:e0145644. [PMID: 26717198 PMCID: PMC4699208 DOI: 10.1371/journal.pone.0145644] [Citation(s) in RCA: 100] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Accepted: 12/07/2015] [Indexed: 11/19/2022] Open
Abstract
We describe, for the first time the use of hydrogel-forming microneedle (MN) arrays for minimally-invasive extraction and quantification of drug substances and glucose from skin in vitro and in vivo. MN prepared from aqueous blends of hydrolysed poly(methyl-vinylether-co-maleic anhydride) (11.1% w/w) and poly(ethyleneglycol) 10,000 daltons (5.6% w/w) and crosslinked by esterification swelled upon skin insertion by uptake of fluid. Post-removal, theophylline and caffeine were extracted from MN and determined using HPLC, with glucose quantified using a proprietary kit. In vitro studies using excised neonatal porcine skin bathed on the underside by physiologically-relevant analyte concentrations showed rapid (5 min) analyte uptake. For example, mean concentrations of 0.16 μg/mL and 0.85 μg/mL, respectively, were detected for the lowest (5 μg/mL) and highest (35 μg/mL) Franz cell concentrations of theophylline after 5 min insertion. A mean concentration of 0.10 μg/mL was obtained by extraction of MN inserted for 5 min into skin bathed with 5 μg/mL caffeine, while the mean concentration obtained by extraction of MN inserted into skin bathed with 15 μg/mL caffeine was 0.33 μg/mL. The mean detected glucose concentration after 5 min insertion into skin bathed with 4 mmol/L was 19.46 nmol/L. The highest theophylline concentration detected following extraction from a hydrogel-forming MN inserted for 1 h into the skin of a rat dosed orally with 10 mg/kg was of 0.363 μg/mL, whilst a maximum concentration of 0.063 μg/mL was detected following extraction from a MN inserted for 1 h into the skin of a rat dosed with 5 mg/kg theophylline. In human volunteers, the highest mean concentration of caffeine detected using MN was 91.31 μg/mL over the period from 1 to 2 h post-consumption of 100 mg Proplus® tablets. The highest mean blood glucose level was 7.89 nmol/L detected 1 h following ingestion of 75 g of glucose, while the highest mean glucose concentration extracted from MN was 4.29 nmol/L, detected after 3 hours skin insertion in human volunteers. Whilst not directly correlated, concentrations extracted from MN were clearly indicative of trends in blood in both rats and human volunteers. This work strongly illustrates the potential of hydrogel-forming MN in minimally-invasive patient monitoring and diagnosis. Further studies are now ongoing to reduce clinical insertion times and develop mathematical algorithms enabling determination of blood levels directly from MN measurements.
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Affiliation(s)
- Ester Caffarel-Salvador
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast, BT97BL, United Kingdom
| | - Aaron J. Brady
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast, BT97BL, United Kingdom
| | - Eyman Eltayib
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast, BT97BL, United Kingdom
| | - Teng Meng
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast, BT97BL, United Kingdom
| | - Ana Alonso-Vicente
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast, BT97BL, United Kingdom
| | | | - Barbara M. Torrisi
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast, BT97BL, United Kingdom
| | - Eva Maria Vicente-Perez
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast, BT97BL, United Kingdom
| | - Karen Mooney
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast, BT97BL, United Kingdom
| | - David S. Jones
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast, BT97BL, United Kingdom
| | - Steven E. J. Bell
- School of Chemistry and Chemical Engineering, Queen’s University Belfast, Stranmillis Road, Belfast, BT9 5AG, United Kingdom
| | - Colin P. McCoy
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast, BT97BL, United Kingdom
| | - Helen O. McCarthy
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast, BT97BL, United Kingdom
| | - James C. McElnay
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast, BT97BL, United Kingdom
| | - Ryan F. Donnelly
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast, BT97BL, United Kingdom
- * E-mail:
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Ventrelli L, Marsilio Strambini L, Barillaro G. Microneedles for Transdermal Biosensing: Current Picture and Future Direction. Adv Healthc Mater 2015; 4:2606-40. [PMID: 26439100 DOI: 10.1002/adhm.201500450] [Citation(s) in RCA: 123] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Indexed: 01/01/2023]
Abstract
A novel trend is rapidly emerging in the use of microneedles, which are a miniaturized replica of hypodermic needles with length-scales of hundreds of micrometers, aimed at the transdermal biosensing of analytes of clinical interest, e.g., glucose, biomarkers, and others. Transdermal biosensing via microneedles offers remarkable opportunities for moving biosensing technologies and biochips from research laboratories to real-field applications, and envisages easy-to-use point-of-care microdevices with pain-free, minimally invasive, and minimal-training features that are very attractive for both developed and emerging countries. In addition to this, microneedles for transdermal biosensing offer a unique possibility for the development of biochips provided with end-effectors for their interaction with the biological system under investigation. Direct and efficient collection of the biological sample to be analyzed will then become feasible in situ at the same length-scale of the other biochip components by minimally trained personnel and in a minimally invasive fashion. This would eliminate the need for blood extraction using hypodermic needles and reduce, in turn, related problems, such as patient infections, sample contaminations, analysis artifacts, etc. The aim here is to provide a thorough and critical analysis of state-of-the-art developments in this novel research trend, and to bridge the gap between microneedles and biosensors.
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Affiliation(s)
- Letizia Ventrelli
- Dipartimento di Ingegneria dell'Informazione; Università di Pisa; Via G. Caruso 16 56122 Pisa Italy
| | | | - Giuseppe Barillaro
- Dipartimento di Ingegneria dell'Informazione; Università di Pisa; Via G. Caruso 16 56122 Pisa Italy
- Istituto di Fisiologia Clinica; Consiglio Nazionale delle Ricerche; via G. Moruzzi 1 56124 Pisa Italy
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Comparison between polyethylene glycol and zwitterionic polymers as antifouling coatings on wearable devices for selective antigen capture from biological tissue. Biointerphases 2015; 10:04A305. [PMID: 26446192 DOI: 10.1116/1.4932055] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Selective capture of disease-related proteins in complex biological fluids and tissues is an important aim in developing sensitive protein biosensors for in vivo applications. Microprojection arrays are biomedical devices whose mechanical and chemical properties can be tuned to allow efficient penetration of skin, coupled with highly selective biomarker capture from the complex biological environment of skin tissue. Herein, the authors describe an improved surface modification strategy to produce amine-modified polycarbonate arrays, followed by the attachment of an antifouling poly(sulfobetaine-methacrylate) (pSBMA) polymer or a linear polyethylene glycol (PEG) polymer of comparative molecular weight and hydrodynamic radius. Using a "grafting to" approach, pSBMA and linear PEG coatings yielded comparative antifouling behavior in single protein solutions, diluted plasma, or when applied to mouse flank skin penetrating into the vascularized dermal tissue. Interestingly, the density of immobilized immunoglobulin G (IgG) or bovine serum albumin protein on pSBMA surfaces was significantly higher than that on the PEG surfaces, while the nonspecific adsorption was comparable for each protein. When incubated in buffer or plasma solutions containing dengue non-structural protein 1 (NS1), anti-NS1-IgG-coated pSBMA surfaces captured significantly more NS1 in comparison to PEG-coated devices. Similarly, when wearable microprojection arrays were applied to the skin of dengue-infected mice using the same coatings, the pSBMA-coated devices showed significantly higher capture efficiency (>2-fold increase in signal) than the PEG-coated substrates, which showed comparative signal when applied to naïve mice. In conclusion, zwitterionic pSBMA polymers (of equivalent hydrodynamic radii to PEG) allowed detection of dengue NS1 disease biomarker in a preclinical model of dengue infection, showing significantly higher signal-to-noise ratio in comparison to the PEG controls. The results of this study will be useful in the future development of a range of protein biosensors designed for use in vivo.
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Li CG, Joung HA, Noh H, Song MB, Kim MG, Jung H. One-touch-activated blood multidiagnostic system using a minimally invasive hollow microneedle integrated with a paper-based sensor. LAB ON A CHIP 2015; 15:3286-3292. [PMID: 26190447 DOI: 10.1039/c5lc00669d] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The development of real-time innocuous blood diagnosis has been a long-standing goal in healthcare; an improved, miniature, all-in-one point-of-care testing (POCT) system with low cost and simplified operation is highly desired. Here, we present a one-touch-activated blood multidiagnostic system (OBMS) involving the synergistic integration of a hollow microneedle and paper-based sensor, providing a number of unique characteristics for simplifying the design of microsystems and enhancing user performance. In this OBMS, all functions of blood collection, serum separation, and detection were sequentially automated in one single device that only required one-touch activation by finger-power without additional operations. For the first time, we successfully demonstrated the operation of this system in vivo in glucose and cholesterol diagnosis, showing a great possibility for human clinical application and commercialization. Additionally, this novel system offers a new approach for the use of microneedles and paper sensors as promising intelligent elements in future real-time healthcare monitoring devices.
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Affiliation(s)
- Cheng Guo Li
- Department of Biotechnology, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 120-749, Republic of Korea.
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35
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Sample-free quantification of blood biomarkers via laser-treated skin. Biomaterials 2015; 59:30-8. [PMID: 25950985 DOI: 10.1016/j.biomaterials.2015.04.040] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Revised: 04/17/2015] [Accepted: 04/21/2015] [Indexed: 02/06/2023]
Abstract
Surface modified microneedle (MN) arrays are being developed to capture circulating biomarkers from the skin, but inefficiency and unreliability of the current method limit its clinical applications. We describe here that illumination of a tiny area of the skin with hemoglobin-preferably absorbent laser increased the amount of circulating biomarkers in the upper dermis by more than 1000-fold. The hemoglobin-specific light altered the permeability of capillaries leading to extravasation of molecules but not blood cells beneath the skin involved. When specific probe-coated MN arrays were applied into the laser-treated skin, the biomarkers accumulated in the upper dermis were reliably, accurately, and sufficiently captured as early as 15 min of the assay. The maximal binding occurred in 1 h in a manner independent of penetration depth or a molecular mass of the biomarker. With anti-fluorescein isothiocyanate (FITC)-MNs, we were able to measure blood concentrations of FITC in mice receiving FITC intravenously. The sensitivity and accuracy were comparable to those attained by fluorescence spectrophotometer. Likewise, MNs containing influenza hemagglutinin (HA) could detect anti-HA antibody in mice or swine receiving influenza vaccines as effectively as standard immunoassays. The novel, minimally invasive approach holds great promise for measurement of multiple biomarkers by a single array for point-of-care diagnosis.
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Lee KT, Muller DA, Coffey JW, Robinson KJ, McCarthy JS, Kendall MAF, Corrie SR. Capture of the Circulating Plasmodium falciparum Biomarker HRP2 in a Multiplexed Format, via a Wearable Skin Patch. Anal Chem 2014; 86:10474-83. [DOI: 10.1021/ac5031682] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Khai Tuck Lee
- The University of Queensland, Australian Institute
for Bioengineering and Nanotechnology, Delivery of Drugs and Genes
Group (D2G2), St. Lucia, Queensland 4072, Australia
- ARC
Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, St Lucia, Queensland 4072, Australia
| | - David A. Muller
- The University of Queensland, Australian Institute
for Bioengineering and Nanotechnology, Delivery of Drugs and Genes
Group (D2G2), St. Lucia, Queensland 4072, Australia
- Australian Infectious Diseases Research Centre, St. Lucia, Queensland 4067, Australia
- ARC
Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, St Lucia, Queensland 4072, Australia
| | - Jacob W. Coffey
- The University of Queensland, Australian Institute
for Bioengineering and Nanotechnology, Delivery of Drugs and Genes
Group (D2G2), St. Lucia, Queensland 4072, Australia
- ARC
Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, St Lucia, Queensland 4072, Australia
| | - Kye J. Robinson
- The University of Queensland, Australian Institute
for Bioengineering and Nanotechnology, Delivery of Drugs and Genes
Group (D2G2), St. Lucia, Queensland 4072, Australia
- ARC
Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, St Lucia, Queensland 4072, Australia
| | - James S. McCarthy
- Australian Infectious Diseases Research Centre, St. Lucia, Queensland 4067, Australia
- QIMR Berghofer Medical Research Institute, Herston, Queensland 4006, Australia
| | - Mark A. F. Kendall
- The University of Queensland, Australian Institute
for Bioengineering and Nanotechnology, Delivery of Drugs and Genes
Group (D2G2), St. Lucia, Queensland 4072, Australia
- Australian Infectious Diseases Research Centre, St. Lucia, Queensland 4067, Australia
- The University of Queensland, Faculty of Health
Sciences, St. Lucia, Queensland 4072, Australia
- ARC
Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, St Lucia, Queensland 4072, Australia
| | - Simon R. Corrie
- The University of Queensland, Australian Institute
for Bioengineering and Nanotechnology, Delivery of Drugs and Genes
Group (D2G2), St. Lucia, Queensland 4072, Australia
- Australian Infectious Diseases Research Centre, St. Lucia, Queensland 4067, Australia
- ARC
Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, St Lucia, Queensland 4072, Australia
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Abstract
BACKGROUND The emerging field of microneedle-based minimally invasive patient monitoring and diagnosis is reviewed. Microneedle arrays consist of rows of micron-scale projections attached to a solid support. They have been widely investigated for transdermal drug and vaccine delivery applications since the late 1990s. However, researchers and clinicians have recently realized the great potential of microneedles for extraction of skin interstitial fluid and, less commonly, blood, for enhanced monitoring of patient health. METHODS We reviewed the journal and patent literature, and summarized the findings and provided technical insights and critical analysis. RESULTS We describe the basic concepts in detail and extensively review the work performed to date. CONCLUSIONS It is our view that microneedles will have an important role to play in clinical management of patients and will ultimately improve therapeutic outcomes for people worldwide.
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Mooney K, McElnay JC, Donnelly RF. Children&s views on microneedle use as an alternative to blood sampling for patient monitoring. INTERNATIONAL JOURNAL OF PHARMACY PRACTICE 2013; 22:335-44. [DOI: 10.1111/ijpp.12081] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2013] [Accepted: 10/31/2013] [Indexed: 11/30/2022]
Abstract
Abstract
Objectives
To explore children's views on microneedle use for this population, particularly as an alternative approach to blood sampling, in monitoring applications, and so, examine the acceptability of this approach to children.
Methods
Focus groups were conducted with children (aged 10–14 years) in a range of schools across Northern Ireland. Convenience sampling was employed, i.e. children involved in a university-directed community-outreach project (Pharmacists in Schools) were recruited.
Key findings
A total of 86 children participated in 13 focus groups across seven schools in Northern Ireland. A widespread disapproval for blood sampling was evident, with pain, blood and traditional needle visualisation particularly unpopular aspects. In general, microneedles had greater visual acceptability and caused less fear. A patch-based design enabled minimal patient awareness of the monitoring procedure, with personalised designs, e.g. cartoon themes, favoured. Children's concerns included possible allergy and potential inaccuracies with this novel approach; however, many had confidence in the judgement of healthcare professionals if deeming this technique appropriate. They considered paediatric patient education critical for acceptance of this new approach and called for an alternative name, without any reference to ‘needles’.
Conclusions
The findings presented here support the development of blood-free, minimally invasive techniques and provide an initial indication of microneedle acceptability in children, particularly for monitoring purposes. A proactive response to these unique insights should enable microneedle array design to better meet the needs of this end-user group. Further work in this area is recommended to ascertain the perspectives of a purposive sample of children with chronic conditions who require regular monitoring.
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Affiliation(s)
- Karen Mooney
- School of Pharmacy, Queen's University Belfast, Belfast, UK
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Coffey JW, Corrie SR, Kendall MA. Early circulating biomarker detection using a wearable microprojection array skin patch. Biomaterials 2013; 34:9572-83. [DOI: 10.1016/j.biomaterials.2013.08.078] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2013] [Accepted: 08/27/2013] [Indexed: 02/04/2023]
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Yeow B, Coffey JW, Muller DA, Grøndahl L, Kendall MAF, Corrie SR. Surface Modification and Characterization of Polycarbonate Microdevices for Capture of Circulating Biomarkers, Both in Vitro and in Vivo. Anal Chem 2013; 85:10196-204. [DOI: 10.1021/ac402942x] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Bernard Yeow
- The University of Queensland, Australian Institute
for Bioengineering and Nanotechnology, Delivery of Drugs and Genes
Group (D2G2), St
Lucia, Brisbane, Queensland, Australia, 4072
| | - Jacob W. Coffey
- The University of Queensland, Australian Institute
for Bioengineering and Nanotechnology, Delivery of Drugs and Genes
Group (D2G2), St
Lucia, Brisbane, Queensland, Australia, 4072
| | - David A. Muller
- The University of Queensland, Australian Institute
for Bioengineering and Nanotechnology, Delivery of Drugs and Genes
Group (D2G2), St
Lucia, Brisbane, Queensland, Australia, 4072
- Australian
Infectious Diseases Research Centre, St
Lucia, Brisbane, Queensland, Australia, 4072
| | - Lisbeth Grøndahl
- The University of Queensland, School of Chemistry
and Molecular Biosciences, St Lucia, Brisbane, Queensland, Australia, 4072
| | - Mark A. F. Kendall
- The University of Queensland, Australian Institute
for Bioengineering and Nanotechnology, Delivery of Drugs and Genes
Group (D2G2), St
Lucia, Brisbane, Queensland, Australia, 4072
- University of Queensland Diamantina Institute (UQDI), Woollongabba, Brisbane, Queensland, Australia, 4012
- Australian
Infectious Diseases Research Centre, St
Lucia, Brisbane, Queensland, Australia, 4072
| | - Simon R. Corrie
- The University of Queensland, Australian Institute
for Bioengineering and Nanotechnology, Delivery of Drugs and Genes
Group (D2G2), St
Lucia, Brisbane, Queensland, Australia, 4072
- Australian
Infectious Diseases Research Centre, St
Lucia, Brisbane, Queensland, Australia, 4072
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Kim YC, Park JH, Prausnitz MR. Microneedles for drug and vaccine delivery. Adv Drug Deliv Rev 2012; 64:1547-68. [PMID: 22575858 DOI: 10.1016/j.addr.2012.04.005] [Citation(s) in RCA: 988] [Impact Index Per Article: 82.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2011] [Revised: 03/15/2012] [Accepted: 04/23/2012] [Indexed: 12/18/2022]
Abstract
Microneedles were first conceptualized for drug delivery many decades ago, but only became the subject of significant research starting in the mid-1990's when microfabrication technology enabled their manufacture as (i) solid microneedles for skin pretreatment to increase skin permeability, (ii) microneedles coated with drug that dissolves off in the skin, (iii) polymer microneedles that encapsulate drug and fully dissolve in the skin and (iv) hollow microneedles for drug infusion into the skin. As shown in more than 350 papers now published in the field, microneedles have been used to deliver a broad range of different low molecular weight drugs, biotherapeutics and vaccines, including published human studies with a number of small-molecule and protein drugs and vaccines. Influenza vaccination using a hollow microneedle is in widespread clinical use and a number of solid microneedle products are sold for cosmetic purposes. In addition to applications in the skin, microneedles have also been adapted for delivery of bioactives into the eye and into cells. Successful application of microneedles depends on device function that facilitates microneedle insertion and possible infusion into skin, skin recovery after microneedle removal, and drug stability during manufacturing, storage and delivery, and on patient outcomes, including lack of pain, skin irritation and skin infection, in addition to drug efficacy and safety. Building off a strong technology base and multiple demonstrations of successful drug delivery, microneedles are poised to advance further into clinical practice to enable better pharmaceutical therapies, vaccination and other applications.
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Strambini LM, Longo A, Diligenti A, Barillaro G. A minimally invasive microchip for transdermal injection/sampling applications. LAB ON A CHIP 2012; 12:3370-3379. [PMID: 22773092 DOI: 10.1039/c2lc40348j] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
The design, fabrication, and characterization of a minimally invasive silicon microchip for transdermal injection/sampling applications are reported and discussed. The microchip exploits an array of silicon-dioxide hollow microneedles with density of one million needles cm(-2) and lateral size of a few micrometers, protruding from the front-side chip surface for one hundred micrometers, to inject/draw fluids into/from the skin. The microneedles are in connection with independent reservoirs grooved on the back-side of the chip. Insertion experiments of the microchip in skin-like polymers (agarose hydrogels with concentrations of 2% and 4% wt) demonstrate that the microneedles successfully withstand penetration without breaking, despite their high density and small size, according to theoretical predictions. Operation of the microchip with different liquids of biomedical interest (deionized water, NaCl solution, and d-glucose solution) at different differential pressures, in the range 10-100 kPa, highlights that the flow-rate through the microneedles is linearly dependent on the pressure-drop, despite the small section area (about 13 μm(2)) of the microneedle bore, and can be finely controlled from a few ml min(-1) up to tens of ml min(-1). Evaporation (at room temperature) and acceleration (up to 80 g) losses through the microneedles are also investigated to quantify the ability of the chip in storing liquids (drug to be delivered or collected fluid) in the reservoir, and result to be of the order of 70 nl min(-1) and 1300 nl min(-1), respectively, at atmospheric pressure and room temperature.
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Affiliation(s)
- Lucanos M Strambini
- Dipartimento di Ingegneria dell'Informazione: Elettronica, Informatica, Telecomunicazioni, Università di Pisa, via G. Caruso 16, 56122, Pisa, Italy
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43
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Rathakrishnan A, Sekaran SD. New development in the diagnosis of dengue infections. ACTA ACUST UNITED AC 2012; 7:99-112. [DOI: 10.1517/17530059.2012.718759] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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44
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Bhargav A, Muller DA, Kendall MAF, Corrie SR. Surface modifications of microprojection arrays for improved biomarker capture in the skin of live mice. ACS APPLIED MATERIALS & INTERFACES 2012; 4:2483-2489. [PMID: 22404111 DOI: 10.1021/am3001727] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
New technologies are needed to translate biomarker discovery research into simple, inexpensive, and effective molecular diagnostic assays for use by clinicians or patients to guide and monitor treatment. Microprojection arrays were recently introduced as tools which, when applied to the skin, penetrate into the dermal tissue, and capture specific circulating biomarkers. In our initial work on Microprojection arrays, carbodiimide chemistry was used to immobilize biomarker-specific probes for affinity capture in vivo using a mouse model. However, as the observed capture efficiencies were relatively low, with significant variation across the surface, here we investigated the surface modifications to (a) determine the source of the variability and (b) find ways of improving capture efficiency. We found the protein immobilization step accounted for almost all of the variability in surface uniformity. Varying the protein immobilization conditions following a standard carbodiimide activation process resulted in a reduction in overall variation 14-fold and an increase in captured biomarker amount ∼18-fold. In conclusion, we found that investigating and optimizing the surface chemistry of microprojection array devices led to drastic improvements in capturing biomarkers from skin fluid.
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Affiliation(s)
- Aarshi Bhargav
- The University of Queensland, Australian Institute for Bioengineering and Nanotechnology, Delivery of Drugs and Genes Group (D2G2), St Lucia, QLD 4072, Australia
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Muller DA, Corrie SR, Coffey J, Young PR, Kendall MA. Surface Modified Microprojection Arrays for the Selective Extraction of the Dengue Virus NS1 Protein As a Marker for Disease. Anal Chem 2012; 84:3262-8. [DOI: 10.1021/ac2034387] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- David A. Muller
- Australian Institute for Bioengineering
and Nanotechnology, University of Queensland, Australia
- Australian
Infectious Disease
Research Centre, School of Chemistry and Molecular Biosciences, University of Queensland, Australia
| | - Simon R. Corrie
- Australian Institute for Bioengineering
and Nanotechnology, University of Queensland, Australia
| | - Jacob Coffey
- Australian Institute for Bioengineering
and Nanotechnology, University of Queensland, Australia
| | - Paul R. Young
- Australian
Infectious Disease
Research Centre, School of Chemistry and Molecular Biosciences, University of Queensland, Australia
- Institute for Molecular Bioscience, University of Queensland, Australia
| | - Mark A. Kendall
- Australian Institute for Bioengineering
and Nanotechnology, University of Queensland, Australia
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Jenkins D, Corrie S, Flaim C, Kendall M. High density and high aspect ratio solid micro-nanoprojection arrays for targeted skin vaccine delivery and specific antibody extraction. RSC Adv 2012. [DOI: 10.1039/c2ra20153d] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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