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결장내시경의 전처치시 Polyethylene Glycol 관장용액의 복용법에 관한 연구
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관절경적 회전근 개 봉합술
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선택실험법을 이용한 낙동강 하구의 수질정화 및 재해저감 기능의 비시장적 편익 추정 결과
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수학적 모델링을 적용한 수학 수업의 효과 탐구 : 8-가 단계 연립방정식 활용을 중심으로 = The study on the effect of the Mathematical class using by the mathematical Modeling
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Contributions of TRPV1^ endovanilloids^ and endoplasmic reticulum stress in lung cell death in vitro and lung injury
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- 저자 : João Duarte (검색결과 2 건)
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Revolutionising textile manufacturing: a comprehensive review on 3D and 4D printing technologies
João P. Manaia,Fábio Cerejo,João Duarte 한국의류학회 2023 Fashion and Textiles Vol.10 No.1
An exhaustive and integrative overview of recent developments in 3D and 4D textiles based on Additive Manufacturing (AM) were provided in order to identify the current state‐of‐the‐art. Despite all scientific progress, AM applied on textiles is a challenging technique and is still at an embryonic stage of research and technological development (R&TD), mainly due to the technological gap between featured prototypes and scalability in manufacturing. Despite its full potential across a range of different applications, such as development of functional filament fibres/wires, 3D printing on textiles, 3D printing completed garments and 4D textiles, needs future developments. Although, AM applied on textiles, enables cost and resource efficiency for small scale production through localised production, shorten supply chain and demand driven manufacture, both customisable and scalable, embracing cost and environmental sustainability. The opportunities and limits of 3D and 4D printing textiles are also discussed. Finally, the conclusion highlights the potential future development and application of the convergence of advanced computational design techniques, product customization, mathematical modelling, simulation, and digital modelling within multifunctional textiles.
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Beatriz Sona Cardoso,Mariana Brito da Cruz,Joana Faria Marques,João Carlos Roque,João Paulo Martins,Rodrigo Cordeiro Malheiro,António Duarte da Mata 대한치과보철학회 2024 The Journal of Advanced Prosthodontics Vol.16 No.2
Purpose. The aim of this study was to evaluate the influence of different 3D dental resins, using a manufacturer recommended printer and a third-party printer, on cellular responses of human gingival cells. Materials and Methods. Three NextDent resins (Denture 3D+, C&B MFH and Crowntec) were used to produce specimens on printers NextDent 5100 (groups ND, NC and NT, respectively) and Phrozen Sonic Mini 4K (groups PD, PC and PT, respectively). Human gingival fibroblasts were cultured and biocompatibility was evaluated on days 1, 3 and 7. IL-6 and IL-8 concentrations were evaluated at 3 days using ELISA. Surface roughness was evaluated by a contact profilometer. SEM and fluorescence micrographs were analyzed at days 1 and 7. Statistical analyses were performed using SPSS and mean differences were tested using ANOVA and post-hoc Tukey tests (P < .05). Results. There was an increase in cellular viability after 7 days in groups PC and PT, when compared to group PD. ND group resulted in higher concentration of IL-6 when compared to PT group. SEM and fluorescence micrographs showed less adhesion and thinner morphology of fibroblasts from group PD. No significant differences were found regarding surface roughness. Conclusion. The use of different printers or resins did not seem to influence surface roughness. NextDent 5100 and Phrozen Sonic Mini 4K produced resins with similar cellular responses in human gingival fibroblasts. However, Denture 3D+ resin resulted in significantly lower biocompatibility, when compared to C&B MFH and Crowntec resins. Further testing is required to support its long-term use, required for complete dentures.
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