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Rêgo ADS, Furtado GE, Bernardes RA, Santos-Costa P, Dias RA, Alves FS, Ainla A, Arruda LM, Moreira IP, Bessa J, Fangueiro R, Gomes F, Henriques M, Sousa-Silva M, Pinto AC, Bouçanova M, Sousa VIF, Tavares CJ, Barboza R, Carvalho M, Filipe L, Sousa LB, Apóstolo JA, Parreira P, Salgueiro-Oliveira A. Development of Smart Clothing to Prevent Pressure Injuries in Bedridden Persons and/or with Severely Impaired Mobility: 4NoPressure Research Protocol. Healthcare (Basel) 2023; 11:healthcare11101361. [PMID: 37239647 DOI: 10.3390/healthcare11101361] [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: 03/07/2023] [Revised: 04/25/2023] [Accepted: 05/06/2023] [Indexed: 05/28/2023] Open
Abstract
Pressure injuries (PIs) are a major public health problem and can be used as quality-of-care indicators. An incipient development in the field of medical devices takes the form of Smart Health Textiles, which can possess innovative properties such as thermoregulation, sensing, and antibacterial control. This protocol aims to describe the process for the development of a new type of smart clothing for individuals with reduced mobility and/or who are bedridden in order to prevent PIs. This paper's main purpose is to present the eight phases of the project, each consisting of tasks in specific phases: (i) product and process requirements and specifications; (ii and iii) study of the fibrous structure technology, textiles, and design; (iv and v) investigation of the sensor technology with respect to pressure, temperature, humidity, and bioactive properties; (vi and vii) production layout and adaptations in the manufacturing process; (viii) clinical trial. This project will introduce a new structural system and design for smart clothing to prevent PIs. New materials and architectures will be studied that provide better pressure relief, thermo-physiological control of the cutaneous microclimate, and personalisation of care.
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Affiliation(s)
- Anderson da Silva Rêgo
- Health Sciences Research Unit: Nursing (UICISA: E), Nursing School of Coimbra (ESEnfC), 3000-232 Coimbra, Portugal
| | - Guilherme Eustáquio Furtado
- Health Sciences Research Unit: Nursing (UICISA: E), Nursing School of Coimbra (ESEnfC), 3000-232 Coimbra, Portugal
- Polytechnic Institute of Coimbra, Applied Research Institute, Rua da Misericórdia, Lagar dos Cortiços-S. Martinho do Bispo, 3045-093 Coimbra, Portugal
| | - Rafael A Bernardes
- Health Sciences Research Unit: Nursing (UICISA: E), Nursing School of Coimbra (ESEnfC), 3000-232 Coimbra, Portugal
| | - Paulo Santos-Costa
- Health Sciences Research Unit: Nursing (UICISA: E), Nursing School of Coimbra (ESEnfC), 3000-232 Coimbra, Portugal
| | - Rosana A Dias
- International Iberian Laboratory of Nanotechnology (INL), 4715-330 Braga, Portugal
| | - Filipe S Alves
- International Iberian Laboratory of Nanotechnology (INL), 4715-330 Braga, Portugal
| | - Alar Ainla
- International Iberian Laboratory of Nanotechnology (INL), 4715-330 Braga, Portugal
| | - Luisa M Arruda
- Fibrenamics, Institute of Innovation on Fibre-Based Materials and Composites, University of Minho, 4800-058 Guimaraes, Portugal
- Centre for Textile Science and Technology (2C2T), University of Minho, 4800-058 Guimaraes, Portugal
| | - Inês P Moreira
- Fibrenamics, Institute of Innovation on Fibre-Based Materials and Composites, University of Minho, 4800-058 Guimaraes, Portugal
- Centre for Textile Science and Technology (2C2T), University of Minho, 4800-058 Guimaraes, Portugal
| | - João Bessa
- Fibrenamics, Institute of Innovation on Fibre-Based Materials and Composites, University of Minho, 4800-058 Guimaraes, Portugal
- Centre for Textile Science and Technology (2C2T), University of Minho, 4800-058 Guimaraes, Portugal
| | - Raul Fangueiro
- Fibrenamics, Institute of Innovation on Fibre-Based Materials and Composites, University of Minho, 4800-058 Guimaraes, Portugal
- Centre for Textile Science and Technology (2C2T), University of Minho, 4800-058 Guimaraes, Portugal
| | - Fernanda Gomes
- CEB-Centre of Biological Engineering, LIBRO-Laboratório de Investigação em Biofilmes Rosário Oliveira, University of Minho, 4710-057 Braga, Portugal
- LABBELS-Associate Laboratory, 4710-057 Braga, Portugal
| | - Mariana Henriques
- CEB-Centre of Biological Engineering, LIBRO-Laboratório de Investigação em Biofilmes Rosário Oliveira, University of Minho, 4710-057 Braga, Portugal
- LABBELS-Associate Laboratory, 4710-057 Braga, Portugal
| | - Maria Sousa-Silva
- CEB-Centre of Biological Engineering, LIBRO-Laboratório de Investigação em Biofilmes Rosário Oliveira, University of Minho, 4710-057 Braga, Portugal
- LABBELS-Associate Laboratory, 4710-057 Braga, Portugal
| | - Alexandra C Pinto
- CEB-Centre of Biological Engineering, LIBRO-Laboratório de Investigação em Biofilmes Rosário Oliveira, University of Minho, 4710-057 Braga, Portugal
- LABBELS-Associate Laboratory, 4710-057 Braga, Portugal
| | - Maria Bouçanova
- Impetus Portugal-Têxteis Sa (IMPETUS), 4740-696 Barcelos, Portugal
| | - Vânia Isabel Fernande Sousa
- Physics Center of Minho and Porto Universities (CF-UM-PT), Campus of Azurém, University of Minho, 4804-533 Guimarães, Portugal
| | - Carlos José Tavares
- Physics Center of Minho and Porto Universities (CF-UM-PT), Campus of Azurém, University of Minho, 4804-533 Guimarães, Portugal
| | - Rochelne Barboza
- Centre for Textile Science and Technology (2C2T), University of Minho, 4800-058 Guimaraes, Portugal
| | - Miguel Carvalho
- Centre for Textile Science and Technology (2C2T), University of Minho, 4800-058 Guimaraes, Portugal
| | - Luísa Filipe
- Health Sciences Research Unit: Nursing (UICISA: E), Nursing School of Coimbra (ESEnfC), 3000-232 Coimbra, Portugal
| | - Liliana B Sousa
- Health Sciences Research Unit: Nursing (UICISA: E), Nursing School of Coimbra (ESEnfC), 3000-232 Coimbra, Portugal
| | - João A Apóstolo
- Health Sciences Research Unit: Nursing (UICISA: E), Nursing School of Coimbra (ESEnfC), 3000-232 Coimbra, Portugal
| | - Pedro Parreira
- Health Sciences Research Unit: Nursing (UICISA: E), Nursing School of Coimbra (ESEnfC), 3000-232 Coimbra, Portugal
| | - Anabela Salgueiro-Oliveira
- Health Sciences Research Unit: Nursing (UICISA: E), Nursing School of Coimbra (ESEnfC), 3000-232 Coimbra, Portugal
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Mouro C, Gomes AP, Gouveia IC. Emulsion Electrospinning of PLLA/PVA/Chitosan with Hypericum perforatum L. as an Antibacterial Nanofibrous Wound Dressing. Gels 2023; 9:gels9050353. [PMID: 37232945 DOI: 10.3390/gels9050353] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 04/19/2023] [Accepted: 04/20/2023] [Indexed: 05/27/2023] Open
Abstract
Chronic wounds are one of the most severe health problems that affect millions of people worldwide. These types of injuries impair healing and lead to life-threatening complications. Therefore, suitable wound dressing materials are essential to prevent the risk of infection and to provide an excellent healing environment. The present research reports the development of an electrospun Poly (L-lactic acid) (PLLA)/Poly (vinyl alcohol) (PVA)/Chitosan (CS) wound dressing material, produced via emulsion electrospinning in a single step using homogeneous gel-like suspensions of two different and incompatible polymer solutions. The electrospun PLLA/PVA/CS fiber mats were loaded with two different amounts of Hypericum perforatum L. (HP) (2.5% and 5.0% owf). The results revealed that the produced electrospun PLLA/PVA/CS fiber mats displayed ideal properties as a wound dressing due to a total porosity, wettability, water vapor transmission rate (WVTR), and swelling properties similar to those reported for the extracellular matrix (ECM) of the skin, mainly when 2.5% owf HP was incorporated. Moreover, the electrospun PLLA/PVA/CS fiber mats containing HP were able to prevent the growth of gram-positive bacterium Staphylococcus aureus (S. aureus) without causing cytotoxicity to normal human dermal fibroblasts (NHDF). These findings suggest that these electrospun dressing mats are helpful for preventing wound infections as well as an appropriate support and microenvironment for wound healing.
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Affiliation(s)
- Cláudia Mouro
- FibEnTech-Fiber materials and Environmental Technologies Research Unit, Faculty of Engineering, University of Beira Interior, 6200-001 Covilhã, Portugal
| | - Ana P Gomes
- FibEnTech-Fiber materials and Environmental Technologies Research Unit, Faculty of Engineering, University of Beira Interior, 6200-001 Covilhã, Portugal
| | - Isabel C Gouveia
- FibEnTech-Fiber materials and Environmental Technologies Research Unit, Faculty of Engineering, University of Beira Interior, 6200-001 Covilhã, Portugal
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Krishnan V, Ananth V, Velayutham J, Manickam P, Veerapandian M. Bioadhesive Gauze Embedded with Chitosan-Butein Bioconjugate: A Redox-Active pH Sensor Platform. BIOSENSORS 2022; 13:6. [PMID: 36671841 PMCID: PMC9855405 DOI: 10.3390/bios13010006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/08/2022] [Accepted: 12/20/2022] [Indexed: 06/17/2023]
Abstract
With the ever-growing global wound care market, demand for robust redox-active healthcare material is obvious for the construction of wearable sensor platforms. Surface reactive functional group-rich material like chitosan holds huge potential for electrochemical biosensor application. Herein, a metal-free redox-active chitosan-butein (CSB) bioconjugate is processed into epidermal bioadhesive electrode material useful for pH sensors promising toward wound site analysis. A two-electrode system devised for conducting carbon-reinforced silver chloride paste and CSB-modified carbon/silver chloride matrix was used as a reference and working electrodes, respectively. Dimensions of working and reference electrodes (4 mm) were designed by 2D cutter plotter-assisted stenciling. The cross-sectional topology of the constructed adhesive CSB-sensor platform exhibits an average surface thickness of 183 ± 2 μm. Cyclic voltammetric analysis revealed the inherent 2e-/2H+ transfer attributed to the catechol OH groups of graft polymerized CSB modified on adhesive gauze. As-fabricated modified electrode substrates exhibit distinguishable potential differences with respect to electrolytes of varied pH (between 5 to 9), promising for wound site analysis.
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Affiliation(s)
- Vinoth Krishnan
- Electrodics and Electrocatalysis Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi, Sivagangai 630 003, TN, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201 002, UP, India
| | - Venkatachalam Ananth
- Electrodics and Electrocatalysis Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi, Sivagangai 630 003, TN, India
| | - Jayasudha Velayutham
- Electrodics and Electrocatalysis Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi, Sivagangai 630 003, TN, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201 002, UP, India
| | - Pandiaraj Manickam
- Electrodics and Electrocatalysis Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi, Sivagangai 630 003, TN, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201 002, UP, India
| | - Murugan Veerapandian
- Electrodics and Electrocatalysis Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi, Sivagangai 630 003, TN, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201 002, UP, India
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Konstantinou E, Zagoriti Z, Pyriochou A, Poulas K. Microcurrent Stimulation Triggers MAPK Signaling and TGF-β1 Release in Fibroblast and Osteoblast-Like Cell Lines. Cells 2020; 9:E1924. [PMID: 32825091 PMCID: PMC7564311 DOI: 10.3390/cells9091924] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 08/08/2020] [Accepted: 08/18/2020] [Indexed: 12/26/2022] Open
Abstract
Wound healing constitutes an essential process for all organisms and involves a sequence of three phases. The disruption or elongation of any of these phases can lead to a chronic or non-healing wound. Electrical stimulation accelerates wound healing by mimicking the current that is generated in the skin after any injury. Here, we sought to identify the molecular mechanisms involved in the healing process following in vitro microcurrent stimulation-a type of electrotherapy. Our results concluded that microcurrents promote cell proliferation and migration in an ERK 1/2- or p38-dependent way. Furthermore, microcurrents induce the secretion of transforming growth factor-beta-1 (TGF-β1) in fibroblasts and osteoblast-like cells. Interestingly, transcriptomic analysis uncovered that microcurrents enhance the transcriptional activation of genes implicated in Hedgehog, TGF-β1 and MAPK signaling pathways. Overall, our results demonstrate that microcurrents may enhance wound closure through a combination of signal transductions, via MAPK's phosphorylation, and the transcriptional activation of specific genes involved in the healing process. These mechanisms should be further examined in vivo, in order to verify the beneficial effects of microcurrents in wound or fracture healing.
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Affiliation(s)
| | | | | | - Konstantinos Poulas
- Laboratory of Molecular Biology and Immunology, Department of Pharmacy, University of Patras, 26504 Rio, Greece; (E.K.); (Z.Z.); (A.P.)
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