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Joshua RJN, Raj SA, Hameed Sultan MT, Łukaszewicz A, Józwik J, Oksiuta Z, Dziedzic K, Tofil A, Shahar FS. Powder Bed Fusion 3D Printing in Precision Manufacturing for Biomedical Applications: A Comprehensive Review. MATERIALS (BASEL, SWITZERLAND) 2024; 17:769. [PMID: 38591985 PMCID: PMC10856375 DOI: 10.3390/ma17030769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 01/31/2024] [Accepted: 02/01/2024] [Indexed: 04/10/2024]
Abstract
Precision manufacturing requirements are the key to ensuring the quality and reliability of biomedical implants. The powder bed fusion (PBF) technique offers a promising solution, enabling the creation of complex, patient-specific implants with a high degree of precision. This technology is revolutionizing the biomedical industry, paving the way for a new era of personalized medicine. This review explores and details powder bed fusion 3D printing and its application in the biomedical field. It begins with an introduction to the powder bed fusion 3D-printing technology and its various classifications. Later, it analyzes the numerous fields in which powder bed fusion 3D printing has been successfully deployed where precision components are required, including the fabrication of personalized implants and scaffolds for tissue engineering. This review also discusses the potential advantages and limitations for using the powder bed fusion 3D-printing technology in terms of precision, customization, and cost effectiveness. In addition, it highlights the current challenges and prospects of the powder bed fusion 3D-printing technology. This work offers valuable insights for researchers engaged in the field, aiming to contribute to the advancement of the powder bed fusion 3D-printing technology in the context of precision manufacturing for biomedical applications.
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Affiliation(s)
- Rajan John Nekin Joshua
- Department of Manufacturing Engineering, School of Mechanical Engineering, Vellore Institute of Technology, Vellore 632014, Tamil Nadu, India;
| | - Sakthivel Aravind Raj
- Department of Manufacturing Engineering, School of Mechanical Engineering, Vellore Institute of Technology, Vellore 632014, Tamil Nadu, India;
| | - Mohamed Thariq Hameed Sultan
- Department of Aerospace Engineering, Faculty of Engineering, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia;
- Laboratory of Biocomposite Technology, Institute of Tropical Forestry and Forest Products (INTROP), Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
- Aerospace Malaysia Innovation Centre (944751-A), Prime Minister’s Department, MIGHT Partnership Hub, Jalan Impact, Cyberjaya 63000, Selangor, Malaysia
| | - Andrzej Łukaszewicz
- Institute of Mechanical Engineering, Faculty of Mechanical Engineering, Bialystok University of Technology, Wiejska 45C, 15-351 Bialystok, Poland;
| | - Jerzy Józwik
- Department of Production Engineering, Faculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland;
- Institute of Technical Sciences and Aviation, University College of Applied Sciences in Chełm, Pocztowa 54, 22-100 Chełm, Poland;
| | - Zbigniew Oksiuta
- Institute of Biomedical Engineering, Faculty of Mechanical Engineering, Bialystok University of Technology, Wiejska 45C, 15-351 Bialystok, Poland;
| | - Krzysztof Dziedzic
- Institute of Computer Science, Electrical Engineering and Computer Science Faculty, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland;
| | - Arkadiusz Tofil
- Institute of Technical Sciences and Aviation, University College of Applied Sciences in Chełm, Pocztowa 54, 22-100 Chełm, Poland;
| | - Farah Syazwani Shahar
- Department of Aerospace Engineering, Faculty of Engineering, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia;
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Rowan NJ. Challenges and future opportunities to unlock the critical supply chain of personal and protective equipment (PPE) encompassing decontamination and reuse under emergency use authorization (EUA) conditions during the COVID-19 pandemic: Through a reflective circularity and sustainability lens. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 866:161455. [PMID: 36621483 PMCID: PMC9815879 DOI: 10.1016/j.scitotenv.2023.161455] [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: 10/23/2022] [Revised: 01/02/2023] [Accepted: 01/03/2023] [Indexed: 06/17/2023]
Abstract
Severe acute respiratory syndrome Coronavirus-2 (SARS-CoV-2), and the resulting coronavirus disease (COVID-19), was declared a public health emergency of global concern by the World Health Organization (WHO) in the early months of 2020. There was a marked lack of knowledge to inform national pandemic response plans encompassing appropriate disease mitigation and preparation strategies to constrain and manage COVID-19. For example, the top 16 "most cited" papers published at the start of the pandemic on core knowledge gaps collectively constitute a staggering 29,393 citations. Albeit complex, appropriate decontamination modalities have been reported and developed for safe reuse of personal and protective equipment (PPE) under emergency use authorization (EUA) where critical supply chain shortages occur for healthcare workers (HCWs) caused by the COVID-19 pandemic. Commensurately, these similar methods may provide solutions for the safe decontamination of enormous volumes of PPE waste promoting opportunities in the circular bioeconomy that will also protect our environment, habitats and natural capital. The co-circulation of the highly transmissive mix of COVID-19 variants of concern (VoC) will continue to challenge our embattled healthcare systems globally for many years to come with an emphasis placed on maintaining effective disease mitigation strategies. This viewpoint article addresses the rationale and key developments in this important area since the onset of the COVID-19 pandemic and provides an insight into a variety of potential opportunities to unlock the long-term sustainability of single-use medical devices, including waste management.
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Affiliation(s)
- Neil J Rowan
- Department of Nursing and Healthcare, Technological University of the Shannon Midlands Midwest, Ireland; Centre for Disinfection and Sterilization, Technological University of the Shannon Midlands Midwest, Ireland; School of Medicine, Nursing and Health Sciences, University of Galway, Ireland; CURAM SFI Research Centre for Medical Devices, University of Galway, Ireland.
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Garvey M, Meade E, Rowan NJ. Effectiveness of front line and emerging fungal disease prevention and control interventions and opportunities to address appropriate eco-sustainable solutions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 851:158284. [PMID: 36029815 DOI: 10.1016/j.scitotenv.2022.158284] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 08/21/2022] [Accepted: 08/21/2022] [Indexed: 06/15/2023]
Abstract
Fungal pathogens contribute to significant disease burden globally; however, the fact that fungi are eukaryotes has greatly complicated their role in fungal-mediated infections and alleviation. Antifungal drugs are often toxic to host cells and there is increasing evidence of adaptive resistance in animals and humans. Existing fungal diagnostic and treatment regimens have limitations that has contributed to the alarming high mortality rates and prolonged morbidity seen in immunocompromised cohorts caused by opportunistic invasive infections as evidenced during HIV and COVID-19 pandemics. There is a need to develop real-time monitoring and diagnostic methods for fungal pathogens and to create a greater awareness as to the contribution of fungal pathogens in disease causation. Greater information is required on the appropriate selection and dose of antifungal drugs including factors governing resistance where there is commensurate need to discover more appropriate and effective solutions. Popular azole fungal drugs are widely detected in surface water and sediment due to incomplete removal in wastewater treatment plants where they are resistant to microbial degradation and may cause toxic effects on aquatic organisms such as algae and fish. UV has limited effectiveness in destruction of anti-fungal drugs where there is increased interest in the combination approaches such as novel use of pulsed-plasma gas-discharge technologies for environmental waste management. There is growing interest in developing alternative and complementary green eco-biocides and disinfection innovation. Fungi present challenges for cleaning, disinfection and sterilization of reusable medical devices such as endoscopes where they (example, Aspergillus and Candida species) can be protected when harboured in build-up biofilm from lethal processing. Information on the efficacy of established disinfection and sterilization technologies to address fungal pathogens including bottleneck areas that present high risk to patients is lacking. There is a need to address risk mitigation and modelling to inform efficacy of appropriate intervention technologies that must consider all contributing factors where there is potential to adopt digital technologies to enable real-time analysis of big data, such as use of artificial intelligence and machine learning. International consensus on standardised protocols for developing and reporting on appropriate alternative eco-solutions must be reached, particularly in order to address fungi with increasing drug resistance where research and innovation can be enabled using a One Health approach.
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Affiliation(s)
- Mary Garvey
- Department of Life Science, Atlantic Technological University, Sligo, Ireland; Centre for Precision Engineering, Materials and Manufacturing Research (PEM), Atlantic Technological University, Sligo, Ireland
| | - Elaine Meade
- Department of Life Science, Atlantic Technological University, Sligo, Ireland; Centre for Precision Engineering, Materials and Manufacturing Research (PEM), Atlantic Technological University, Sligo, Ireland
| | - Neil J Rowan
- Bioscience Research Institute, Technological University of the Shannon Midlands Midwest, Athlone, Ireland; Centre for Decontamination, Sterilization and Biosecurity, Technological University of the Shannon Midlands Midwest, Athlone, Ireland; Empower Eco Sustainability Hub, Technological University of the Shannon Midlands Midwest, Athlone, Ireland.
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Masterson K, Meade E, Garvey M, Lynch M, Major I, Rowan NJ. Development of a low-temperature extrusion process for production of GRAS bioactive-polymer loaded compounds for targeting antimicrobial-resistant (AMR) bacteria. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 800:149545. [PMID: 34399333 DOI: 10.1016/j.scitotenv.2021.149545] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 08/05/2021] [Accepted: 08/05/2021] [Indexed: 06/13/2023]
Abstract
Antimicrobial resistance (AMR) is recognised globally as one of the greatest threats to human and animal health; thus, discovery of alternative antibacterial agents to address AMR is a priority challenge. This study constitutes the first report of a low-melting temperature, polymer- extrusion process for the smart delivery of thermally-sensitive antimicrobial bioactives, including generally-regarded-as-safe (GRAS) bioactives derived from various sources. Bioactives were assessed before and after extrusion by determining their respective minimum inhibitory concentrations (MIC). WHO-priority AMR-bacterial isolates causing zoonotic infections were evaluated along with use of standard ATCC strains. Findings revealed that this copolymer method was capable of delivering thermally-sensitive bioactives with varying degrees of growth inhibition against the AMR-bacterial strains. The extrusion process was found to increase the effect of nisin against MRSA (4-fold increase) and L. monocytogenes (6.4-fold increase), silver nitrate (AgNO3) against E. coli (3.6-fold increase) and S. epidermidis (1.25-fold increase), and chitosan against S. aureus (1.25-fold). Findings show the potential applicability of this polymer extrusion process for developing future bioactive-loaded polymer compounds; thus, highlighting the potential of converging bio-based industry with novel materials for enabling 'One-Health' solutions.
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Affiliation(s)
- Kevin Masterson
- Bioscience Research Institute, Athlone Institute of Technology, Ireland.
| | - Elaine Meade
- Department of Life Science, Sligo Institute of Technology, Ash Lane, Sligo, Ireland
| | - Mary Garvey
- Department of Life Science, Sligo Institute of Technology, Ash Lane, Sligo, Ireland
| | - Mark Lynch
- Bioscience Research Institute, Athlone Institute of Technology, Ireland
| | - Ian Major
- Materials Research Institute, Athlone Institute of Technology, Ireland
| | - Neil J Rowan
- Bioscience Research Institute, Athlone Institute of Technology, Ireland; Centre for Disinfection, Sterilization and Biosecurity, Athlone Institute of Technology, Ireland
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Rowan NJ, Laffey JG. Unlocking the surge in demand for personal and protective equipment (PPE) and improvised face coverings arising from coronavirus disease (COVID-19) pandemic - Implications for efficacy, re-use and sustainable waste management. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 752:142259. [PMID: 33207488 PMCID: PMC7481258 DOI: 10.1016/j.scitotenv.2020.142259] [Citation(s) in RCA: 79] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 09/04/2020] [Accepted: 09/05/2020] [Indexed: 05/17/2023]
Abstract
Currently, there is no effective vaccine for tackling the ongoing COVID-19 pandemic caused by SARS-CoV-2 with the occurrence of repeat waves of infection frequently stretching hospital resources beyond capacity. Disease countermeasures rely upon preventing person-to-person transmission of SARS-CoV2 so as to protect front-line healthcare workers (HCWs). COVID-19 brings enormous challenges in terms of sustaining the supply chain for single-use-plastic personal and protective equipment (PPE). Post-COVID-19, the changes in medical practice will drive high demand for PPE. Important countermeasures for preventing COVID-19 transmission include mitigating potential high risk aerosol transmission in healthcare setting using medical PPE (such as filtering facepiece respirators (FFRs)) and the appropriate use of face coverings by the general public that carries a lower transmission risk. PPE reuse is a potential short term solution during COVID-19 pandemic where there is increased evidence for effective deployment of reprocessing methods such as vaporized hydrogen peroxide (30 to 35% VH2O2) used alone or combined with ozone, ultraviolet light at 254 nm (2000 mJ/cm2) and moist heat (60 °C at high humidity for 60 min). Barriers to PPE reuse include potentially trust and acceptance by HCWs. Efficacy of face coverings are influenced by the appropriate wearing to cover the nose and mouth, type of material used, number of layers, duration of wearing, and potentially superior use of ties over ear loops. Insertion of a nose clip into cloth coverings may help with maintaining fit. Use of 60 °C for 60 min (such as, use of domestic washing machine and spin dryer) has been advocated for face covering decontamination. Risk of virus infiltration in improvised face coverings is potentially increased by duration of wearing due to humidity, liquid diffusion and virus retention. Future sustained use of PPE will be influenced by the availability of recyclable PPE and by innovative biomedical waste management.
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Affiliation(s)
- Neil J Rowan
- Department of Nursing and Healthcare, Athlone Institute of Technology, Ireland; Centre for Disinfection, Sterilization and Biosecurity, Athlone Institute of Technology, Ireland; Empower Eco Sustainability Hub, Lough Boora, Co. Offaly, Ireland.
| | - John G Laffey
- Lung Biology Group, Regenerative Medicine Institute at CURAM Centre for Medical Devices, National University of Ireland Galway, Galway, Ireland; Anaesthesia and Intensive Care Medicine, University Hospital Galway, Galway, Ireland
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Zanjanijam AR, Major I, Lyons JG, Lafont U, Devine DM. Fused Filament Fabrication of PEEK: A Review of Process-Structure-Property Relationships. Polymers (Basel) 2020; 12:E1665. [PMID: 32726994 PMCID: PMC7465918 DOI: 10.3390/polym12081665] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 07/16/2020] [Accepted: 07/18/2020] [Indexed: 12/15/2022] Open
Abstract
Poly (ether ether ketone) (PEEK) is a high-performance engineering thermoplastic polymer with potential for use in a variety of metal replacement applications due to its high strength to weight ratio. This combination of properties makes it an ideal material for use in the production of bespoke replacement parts for out-of-earth manufacturing purposes, in particular on the International Space Station (ISS). Additive manufacturing (AM) may be employed for the production of these parts, as it has enabled new fabrication pathways for articles with complex design considerations. However, AM of PEEK via fused filament fabrication (FFF) encounters significant challenges, mostly stemming from the semi crystalline nature of PEEK and its associated high melting temperature. This makes PEEK highly susceptible to changes in processing conditions which leads to a large reported variation in the literature on the final performance of PEEK. This has limited the adaption of FFF printing of PEEK in space applications where quality assurance and reproducibility are paramount. In recent years, several research studies have examined the effect of printing parameters on the performance of the 3D-printed PEEK parts. The aim of the current review is to provide comprehensive information in relation to the process-structure-property relationships in FFF 3D-printing of PEEK to provide a clear baseline to the research community and assesses its potential for space applications, including out-of-earth manufacturing.
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Affiliation(s)
- Ali Reza Zanjanijam
- Materials Research Institute, Athlone Institute of Technology, N37 HD68 Athlone, Ireland
| | - Ian Major
- Materials Research Institute, Athlone Institute of Technology, N37 HD68 Athlone, Ireland
| | - John G Lyons
- Faculty of Engineering and Informatics, Athlone Institute of Technology, N37 HD68 Athlone, Ireland
| | - Ugo Lafont
- European Space Technology and Research Centre, European Space Agency, Keplerlaan 1, 2201 AZ Noordwijk, The Netherland
| | - Declan M Devine
- Materials Research Institute, Athlone Institute of Technology, N37 HD68 Athlone, Ireland
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Rowan NJ, Laffey JG. Challenges and solutions for addressing critical shortage of supply chain for personal and protective equipment (PPE) arising from Coronavirus disease (COVID19) pandemic - Case study from the Republic of Ireland. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 725:138532. [PMID: 32304970 PMCID: PMC7195029 DOI: 10.1016/j.scitotenv.2020.138532] [Citation(s) in RCA: 214] [Impact Index Per Article: 53.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Accepted: 04/05/2020] [Indexed: 05/17/2023]
Abstract
Coronavirus (COVID-19) is highly infectious agent that causes fatal respiratory illnesses, which is of great global public health concern. Currently, there is no effective vaccine for tackling this COVID19 pandemic where disease countermeasures rely upon preventing or slowing person-to-person transmission. Specifically, there is increasing efforts to prevent or reduce transmission to front-line healthcare workers (HCW). However, there is growing international concern regarding the shortage in supply chain of critical one-time-use personal and protective equipment (PPE). PPE are heat sensitive and are not, by their manufacturer's design, intended for reprocessing. Most conventional sterilization technologies used in hospitals, or in terminal medical device sterilization providers, cannot effectively reprocess PPE due to the nature and severity of sterilization modalities. Contingency planning for PPE stock shortage is important. Solutions in the Republic of Ireland include use of smart communication channels to improve supply chain, bespoke production of PPE to meets gaps, along with least preferred option, use of sterilization or high-level disinfection for PPE reprocessing. Reprocessing PPE must consider material composition, functionality post treatment, along with appropriate disinfection. Following original manufacturer of PPE and regulatory guidance is important. Technologies deployed in the US, and for deployment in the Republic of Ireland, are eco-friendly, namely vaporised hydrogen peroxide (VH2O2), such as for filtering facepiece respirators and UV irradiation and High-level liquid disinfection (Actichlor+) is also been pursed in Ireland. Safeguarding supply chain of PPE will sustain vital healthcare provision and will help reduce mortality.
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Affiliation(s)
- Neil J Rowan
- Department of Nursing and Healthcare, Athlone Institute of Technology, Ireland; Centre for Disinfection, Sterilization and Biosecurity, Athlone Institute of Technology, Ireland.
| | - John G Laffey
- Lung Biology Group, Regenerative Medicine Institute at CURAM Centre for Medical Devices, National University of Ireland Galway, Galway, Ireland; Anaesthesia and Intensive Care Medicine, University Hospital Galway, Galway, Ireland
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