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International Journal of Bioprinting                                 3D printing innovations against infection




            traditional vaccine performance. Utilizing cell membrane-  issues, the introduction of four-dimensional (4D)
            encapsulated nanoparticles has shown extended immune   printing technology is considered the way forward.
            effects, effectively preventing SARS-CoV-2 infection. The   This technology uses smart thermal polymers that
            incorporation of nanotechnology, including 3D printing,   can change shape in response to physicochemical or
            has successfully tackled challenges in drug delivery,   biochemical stimuli.  This advanced manufacturing
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            offering a promising avenue for designing next-generation   method offers the possibility of creating meshes with
            vaccines.  For instance, the lipid nanoparticle carrier   the ability to gradually adapt and respond to changes in
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            in the COVID-19 mRNA vaccine (mRNA-1273) has       the tissue environment, enhancing inward tissue growth
            proven effective in inducing neutralizing activity and CD8   and implant compliance. In addition, drug delivery
            T-cell responses, providing valuable insights  for vaccine   systems can also be optimized with this technology,
            development.  Furthermore, the application of 3D   allowing printed drug-carrying meshes to release drugs
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            printing in drug delivery systems holds the potential for on-  when needed, thus better meeting therapeutic needs in
            site, on-demand production of personalized medications,   areas such as implant-associated infections. With the
            replacing traditional mass manufacturing methods,   introduction of 4D printing technology, we look forward
            thereby reducing costs, and minimizing material waste. 179  to more innovations in the medical field, overcoming
                                                               the limitations of current technology and opening new
            6. Conclusion and outlook                          possibilities for future medical advances.

            This comprehensive review spans various domains,      In addition to its role in preventing bacterial biofilm
            including medical, biomaterials, 3D printing, and   formation, it is noteworthy to highlight the crucial impact
            antimicrobial  technologies.  However,  given  its  of 3D-printed materials in combating viral infections,
            multidisciplinary nature, there may be a certain lack of   particularly during the period of medical supply shortages
            depth to fully meet the specialized requirements of each   such as the COVID-19 pandemic. The versatility of 3D
            field. While antimicrobial materials show significant   printing enables the rapid production of customized
            potential challenges (such as durability, biocompatibility,   components for various medical applications, including the
            and precision of drug release), complexities in practical   development of antiviral surfaces and PPE. The integration
            applications must  be  addressed,  thus  warranting  further   of antiviral materials into 3D printing processes holds
            research. One focus of this review centers on elucidating   significant promise for creating medical devices that not
            the mechanisms of biofilm formation on the surfaces of   only resist bacterial colonization but also exhibit antiviral
            3D-printed materials and current methods employed   properties, contributing to the overall safety of healthcare
            to  prevent  such  formations.  A  particular  emphasis  is   environments. Although 3D printing’s application in
            placed on the application of antimicrobial materials in 3D   responding to large-scale infectious disease outbreaks is
            printing and their potential efficacy in managing surgical   a novel method, its rapid response in producing antiviral
            skin wounds. The thorough examination of existing   items during COVID-19 was crucial. Currently, 3D
            literature provides a profound understanding of how   printing materials are only capable of customizing simple
            3D printing technology can offer bespoke solutions for   medical equipment in the preparation of antiviral medical
            medical device and implant fabrication. The incorporation   devices, without able to fully meet the shifting needs of
            of antimicrobial materials in this process holds significant   the medical field. Going forward, we expect 3D printing
            promise  for enhancing surgical  success  rates,  reducing   technology to be able to create more complex and high-
            surgical risks, and alleviating patient suffering. However,   tech products, such as customized artificial lungs to suit
            it is acknowledged that challenges persist, particularly in   different patient characteristics and the fabrication of
            addressing implant-associated infections, emphasizing the   smart respiratory devices capable of monitoring a patient’s
            need for sustained antimicrobial efficacy, durability, and   respiratory status and adjusting therapeutic parameters in
            biocompatibility over the long term.               real time.
               This review covers a wide range of areas including   In summary, the amalgamation of 3D printing
            medical, biomaterials, 3D printing, and antimicrobial   technology and antimicrobial materials holds immense
            technologies, although the multidisciplinary nature of the   potential for the medical field. With ongoing efforts and
            field may result in a lack of depth. Antimicrobial materials   collaborative endeavors, we are optimistic about further
            exhibit immense potential in the medical field. However,   exploration in personalized medicine, surgical treatments,
            challenges remain in terms of durability, biocompatibility,   implant  development,  and  PPE.  Through  persistent
            and  precision  of  drug  release.  These  challenges  may   dedication and cooperation, these technologies are poised
            give rise to complexities in practical applications and   to become pivotal driving forces for advancements in
            require more research to address. In response to these   medical practices.


            Volume 10 Issue 4 (2024)                       146                                doi: 10.36922/ijb.2338
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