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AuthorsJun Mo Koo (a, b, 1), Jaeryeon Kang (a, 1), Sung-Ho Shin (a), Jonggeon Jegal (a), Hyun Gil Cha (a), Seunghwan Choy (c), Minna Hakkarainen (b), Jeyoung Park (a, d), Dongyeop X. Oh (a, d), Sung Yeon Hwang (a, d) AbstractA biobased and biocompatible thermoplastic elastomer...
Publications
ROKIT Healthcare is proud to support the most diverse bioprinting community in the world. Our collaborators continually push the boundaries of tissue engineering and biomaterial development to introduce breakthrough research methods and treatment strategies. When you work with ROKIT Healthcare, you leverage the expertise of interdisciplinary research groups worldwide. With these publications, we hope you widen not only your breadth of experience but ideas for innovation.
Biobased thermoplastic elastomer with seamless 3D-Printability and superior mechanical properties empowered by in-situ polymerization in the presence of nanocellulose
Heat capacity variables of thermoplastic polyurethane for high-quality 3D printing resolution and their characteristics
AuthorsKyung Seok Kang, Chanhyuk Jee, Ji-Hong Bae, Hyo Jin Jung, PilHo Huh AbstractThe preparation of TPUs base balanced by an intelligent mix of ductility and hardness for the 3D printing systems is successfully synthesized. The larger heat capacity leads to an increase in...
Fabrication of poly(lactic acid)Ti composite scaffolds with enhanced mechanical properties and biocompatibility via fused filament fabrication (FFF)–based 3D printing
AuthorsJina Lee (a¹), Hyun Lee (b¹), Kwang-Hee Cheon (b), Cheonil Park (b), Tae-Sik Jang (a), Hyoun-Ee Kim (b), Hyun-Do Jung (a) AbstractIdeal bone substitutes should ensure good integration with bone tissue and are therefore required to exhibit good mechanical stability and...
Development of an effective sample transfer device for biomarker detection in nasal secretions
AuthorsYoung Ju Lee (a), Jae-Chul Lee (b), Young Gyu Eun (c), Gi-Ja Lee (a) AbstractNasal secretions (NS) reflect inflammatory activity of the nasal mucosa and thus can be utilized for disease diagnosis and determining treatment effects in Allergic rhinitis (AR). However,...
Coaxial bioprinting of cell-laden vascular constructs using a gelatin–tyramine bioink
AuthorsSoyoung Hong (a), Ji Seon Kim (a), Boyoung Jung (a), Chonghyun Won *(b), Changmo Hwang *(a, c) AbstractHerein, three-dimensional (3D) bioprinting of engineered constructs with cell-laden biomaterials was investigated for the development of 3D tissue constructs in vitro....
3D Printing of Zeolite for Adsorption of Radioisotopes from a Nuclear Reactor Coolant
AuthorsSujeong Lee (a), Ho Jin Ryu (a, *) AbstractIn operating nuclear power plants, the radionuclides are present in the reactor coolant system. These radionuclides are generated primarily by activation of dissolved ions released from structural components into the coolant....
Structure establishment of three-dimensional (3D) cell culture printing model for bladder cancer
AuthorsMyeong Joo Kim (#1), Byung Hoon Chi (#1), James J. Yoo (2), Young Min Ju (2), Young Mi Whang (1, ‡*), In Ho Chang (1, ‡*), Jung Weon Lee AbstractPurpose Two-dimensional (2D) cell culture is a valuable method for cell-based research but can provide unpredictable,...
Evaluation of Sericin Containing Gel as a Photoinitiator-Free Printable Biomaterial
AuthorsMijin Jang, Bo Kyung Park, Jeung Soo Huh, Jeong Ok Lim AbstractCurrent major challenge in three-dimensional (3D) printing of biological tissues is lack of proper printable biomaterials. Development of 3D printable biomaterials for safely and efficiently printing...
Bioprinting Technologies in Tissue Engineering
AuthorsBengi Yilmaz, Aydin Tahmasebifar, Erkan Türker Baran AbstractBioprinting technology is a strong tool in producing living functional tissues and organs from cells, biomaterial-based bioinks, and growth factors in computer-controlled platform. The aim of this chapter is to...
An interview with Heon Ju Lee on ROCKIT Healthcare’s novel bioprinting treatment for dermal scarring
AuthorsHeon Ju Lee AbstractIn this exclusive interview, Heon Ju Lee discusses ROCKIT healthcare’s novel bioprinting technique used to treat patients with dermal scarring. This interview was conducted by Mike Gregg, Commissioning Editor of the Journal of 3D Printing in...
A recyclable CNC-milled microfluidic platform for colorimetric assays and label-free aged-related macular degeneration detection
AuthorsSamjin Choi(a, 1), Sang Woong Moon (b, 1), Seung Ho Lee (a), Wansun Kim (a), Soogeun Kim (a), Su Kang Kim (c) Jae-Ho Shin (b), Young-Guk Park (d), Kyung-Hyun Jin (b), Tae Gi Kim (b) AbstractWe report the development of a simple, low-cost, and eco-friendly stand-alone 3D...
Characterization of the biomechanical properties of canine trachea using a customized 3D-printed apparatus
AuthorsJennifer Sang-jee Lee (a, 1), Jonghyun Park (b, 1), Dong-A Shin (b), Yoon-jong Ryu (a), Hee Chan Kim (c, d, e), Jung Chan Lee (c, d, e), Seong Keun Kwon (a) AbstractObjectives The canine trachea is considered to be an excellent preclinical model for tracheal research due...
Development of a semi-customized tongue displacement device using a 3D printer for head and neck IMRT
AuthorsChae-Seon Hong, Dongryul Oh, Sang Gyu Ju, Yong Chan Ahn, Cho Hee Na, Dong Yeol Kwon & Cheol Chong Kim AbstractPurpose To reduce radiation doses to the tongue, a patient-specific semi-customized tongue displacement device (SCTDD) was developed using a 3D printer (3DP)...
Heart‐sparing radiotherapy with three‐dimensional printing technology after mastectomy for patients with left breast cancer
AuthorsKyungmi Yang MD, Won Park MD, PhD, Sang Gyu Ju PhD, Yoonsun Chung PhD, Doo Ho Choi MD, PhD, Hyejung Cha MD, Ju Young Park MS, Jung Suk Shin MS, Cho Hee Na MS AbstractThe purpose of this study was to analyze the effectiveness of electron beam therapy (EBT) with...
Analytical study on the 3D-printed structure and mechanical properties of basalt fiber-reinforced PLA composites using X-ray microscopy
AuthorsSiwon Yu (a, b), Yun Hyeong Hwang (b), Jun Yeon Hwang (b), Soon Hyung Hong (a) AbstractA high-resolution X-ray microscope was used to quantitate the internal morphological characteristics of 3D-printed, basalt-fiber-reinforced PLA composites. 3D-printed composites have...
Three-Dimensional Bioprinting of Cell-Laden Constructs Using Polysaccharide-Based Self-Healing Hydrogels
AuthorsSang Woo Kim, Do Yoon Kim, Hyun Ho Roh, Hyun Seung Kim, Jae Won Lee, Kuen Yong Lee* AbstractDevelopment of biomaterial-based bioinks is critical for replacement and/or regeneration of tissues and organs by three-dimensional (3D) printing techniques. However, the number...
Surface Engineered Biomimetic Inks Based on UV Cross-Linkable Wood Biopolymers for 3D Printing
AuthorsWenyang Xu, Xue Zhang, Peiru Yang, Otto Långvik, Xiaoju Wang*, Yongchao Zhang, Fang Cheng, Monika Österberg, Stefan Willför and Chunlin Xu* AbstractOwing to their superior mechanical strength and structure similarity to the extracellular matrix, nanocelluloses as a class...
Three-dimensional printing of wood-derived biopolymers towards biomedical applications
AuthorsXU, Wenyang AbstractThree-dimensional (3D) printing has shown promising potential in fabrication of complex tissue with a structural control from micro- to macro-scale, meeting the requirements of tissue engineering. Wood-derived biopolymers as a category of biomaterials...
Effect of Temperature on the Emission Rate of Particulate Matter during 3D Printing and Characteristics of Initial Peak
AuthorsHaejoon Jeon AbstractThree dimensional (3D) printers based on fused deposition modeling (FDM) technology are rapidly becoming popular. Various harmful substances including gas and particulate matter are known to be released during 3D printing by heating thermoplastic...
3D printed PLCL/hydrogel complex scaffolds using decellularized adipose tissue development
AuthorsSoojin Lee AbstractAdipose tissue regeneration has been studied for many patients who had a burn defect, traumatic injury and mastectomy to improve their quality of life. The number of surgical operations is increasing due to the increase in the number of patients newly...
Additive Manufacturing of Polyaryletherketones
AuthorsManuel Garcia-Leiner Ph.D. *, Oana Ghita †, Robert McKay M.B.A., M.S.F. ‡, Steven M. Kurtz Ph.D. § AbstractAdditive manufacturing (AM), otherwise known as three-dimensional printing (3DP), is a growing technology area comprising a spectrum of processes that allow...
Hydrogels with an embossed surface: An all-in-one platform for mass production and culture of human adipose-derived stem cell spheroids
AuthorsSe-jeong Kim (a, b), Jaesung Park (a, b), Hayeon Byun (a, b), Young-Woo Park (a, b), Luke G. Major (c), Dong Yun Lee (a, b, d), Yu Suk Choi (c), Heungsoo Shin (a, b, d) AbstractStem cell spheroids have been studied extensively in organoid culture and therapeutic...
3D Bioprinting of human adipose stem cells (hADSCs) encapsulated hyaluronic acid (HA) based biomimetic double crosslinked hydrogel bioink for cartilage tissue engineering (CTE)
AuthorsParikshit Banerjee AbstractArticular cartilage covers the edges of the bones and provides wear resistant load bearing capacity which ultimately supports the flexible joint movement. Therefore, once these articular cartilages get damaged, they limit the free joint...
Dosimetric evaluation of respiratory gated volumetric modulated arc therapy for lung stereotactic body radiation therapy using 3D printing technology
AuthorsKyoungJun Yoon, Chiyoung Jeong, Sung-woo Kim, Byungchul Cho, Jungwon Kwak, Su Ssan Kim, Si Yeol Song, Eun Kyung Choi, SeungDo Ahn, Sang-Wook Lee AbstractThis study aimed to evaluate the dosimetric accuracy of respiratory gated volumetric modulated arc therapy (VMAT) for...
Three‐dimensional‐printed vaginal applicators for electronic brachytherapy of endometrial cancers
AuthorsJu Hyuk Lee, Hyun Nam Kim, Hyung San Lim, Sung Oh Cho AbstractPurpose Vaginal applicators for a novel miniature x‐ray tube were developed using three‐dimensional (3D) printing to be used in brachytherapy of endometrial cancers. Methods Cylindrical vaginal applicators...
An active learning approach to investigate the ecosystem of tide flats using 3D modeling and printing
AuthorsSeung-Hyuk Kwon, Yeong-Ji Lee & Yong-Ju Kwon AbstractThis paper presents an active learning approach that focuses on practical investigation of the ecosystem of tidal flats using 3D modeling and printing for biology students in order to enhance understanding of...
3D‐Printed MOF‐Derived Hierarchically Porous Frameworks for Practical High‐Energy Density Li–O2 Batteries
AuthorsZhiyang Lyu, Gwendolyn J. H. Lim, Rui Guo, Zongkui Kou, Tingting Wang, Cao Guan, Jun Ding, Wei Chen, John Wang Abstractprotic Li–O2 batteries are promising candidates for next‐generation energy storage technologies owing to their high theoretical energy densities....
Design of a shape memory composite(SMC) using 4D printing technology
AuthorsMinkyu Kang, Youngjun Pyo, Joon young Jang, Yunchan Park, Yeon-Ho Son, MyungChan Choi, Joo wan Ha, Young-Wook Chang, Caroline Sunyong Lee AbstractA fused deposition modeling (FDM) tool was used to fabricate a shape memory composite (SMC) that combined a shape memory...
Dual Sacrificial Molding: Fabricating 3D Microchannels with Overhang and Helical Features
AuthorsWei Huang Goh ¹, Michinao Hashimoto ¹,²,* AbstractFused deposition modeling (FDM) has become an indispensable tool for 3D printing of molds used for sacrificial molding to fabricate microfluidic devices. The freedom of design of a mold is, however, restricted to the...
Post-processing of FDM parts to improve surface and thermal properties
AuthorsTrieu Khoa Nguyen, Bong-Kee Lee AbstractPurpose The purpose of this paper is to develop a novel post-processing technique of fused deposition modeling (FDM) parts to improve surface roughness and reduce heat absorption and for high-temperature application in...
Bioimpressão de tecidos e órgãos: o avanço de novas tecnologias visando a Medicina 4.0
AuthorsJanaína Dernowsek AbstractA medicina 4.0, fazendo uma alusão à indústria 4.0, engloba fortemente a biofabricação de tecidos e órgãos, baseando-se numa miríade de emergentes tecnologias, especialmente no campo da medicina regenerativa, tratamento e diagnósticos...
The Arrival of Commercial Bioprinters – Towards 3D Bioprinting Revolution!
AuthorsDeepak Choudhury*, Shivesh Anand, May Win Naing* AbstractThe dawn of commercial bioprinting is rapidly advancing the tissue engineering field. In the past few years, new bioprinting approaches as well as novel bioinks formulations have emerged, enabling biological...
Commercial 3D Bioprinters
AuthorsFrederico David A. S. Pereira, Vladislav Parfenov, Yusef D. Khesuani, Aleksandr Ovsianikov, Vladimir Mironov AbstractThe bioprinters are robotic devices, which enable 3D bioprinting. In this chapter, we provide classification of already existing commercially available 3D...
Emerging Business Models Toward Commercialization of Bioprinting Technology
AuthorsYakov M. Balakhovsky, Alexander Yu. Ostrovskiy, Yusef D. Khesuani AbstractAfter breaking out from the confines of purely academic research, 3D bioprinting technology is quickly developing as a commercial industry and exhibiting the qualities of a mature market with...
A hook effect-free immunochromatographic assay (HEF-ICA) for measuring the C-reactive protein concentration in one drop of human serum
AuthorsJusung Oh ¹, *, Hyou-Arm Joung ², *, Hyung Soo Han ³, Jong Kun Kim ⁴, and Min-Gon Kim ¹ AbstractThe immunochromatographic (ICA) assay is a highly promising platform for rapid and simple detection of C-reactive protein (CRP) which is an indicator of the different phases...
Fabrication of 3D Microfluidic Channels and In‐Channel Features Using 3D Printed, Water‐Soluble Sacrificial Mold
AuthorsWei Huang Goh, Michinao Hashimoto AbstractRecent advent of additive manufacturing potentiates the fabrication of microchannels, albeit with limitations in resolution of printed structures, freedom of geometry, and choice of printable materials. Herein, a method is...
Proliferation of HDFs on gelatin based three-dimensional scaffolds by 3D bioprinting
AuthorsDong Jin Choi (1,2), Sang Jun Park (1), Bon Kang Gu, Seok Chung (2), Chun-Ho Kim (1,*) AbstractFull replacement, restoration, or, regeneration of defective or injured functional living, tissues is important goal in tissue engineering. In order to, achieve these goal, 3D...
Design, fabrication and evaluation of a hybrid biomanufacturing system for tissue engineering
AuthorsFengyuan Liu AbstractPlasma-assisted Bio-extrusion System (PBS System) is an innovative hybrid bio-manufacturing system to produce complex multi-material and functionally graded scaffolds combining multiple pressure-assisted and screw-assisted printing heads and plasma...
Microwave-Assisted Protein Digestion in a Plate Well for Facile Sampling and Rapid Digestion
AuthorsHyeonil Kim †‡, Han Sol Kim †‡, Dabin Lee §‡, Dongwon Shin §, Daeho Shin ∥, Jeongkwon Kim *§, Jungbae Kim *† AbstractProtein digestion is one of the most important processes in proteomic analysis. Here, we report microwave-assisted protein digestion in a plate well,...
Toward Functional 3D Architectured Platform: Advanced Approach to Anchor Functional Metal Oxide onto 3D Printed Scaffold
AuthorsJunghyun Choi, Patrick Joo Hyun Kim, Jihoon Seo, Jiseok Kwon, Sangkyu Lee, Taeseup Song AbstractThe authors first report the three‐dimensional (3D) structured CeO2–PLA scaffold using a 3D printing methodology. The scaffold is prepared by decorating functional metal‐oxide...
Nanopillar-array architectured PDMS-based triboelectric nanogenerator integrated with a windmill model for effective wind energy harvesting
AuthorsBhaskar Dudem (a, 1), Nghia Dinh Huynh (b, 1), Wook Kim (b), Dong Hyun Kim (a), Hee Jae Hwang (b), Dukhyun Choi (b), Jae Su Yu (a) AbstractTriboelectric nanogenerator (TENG) is an up-and-coming technology that functions based on the triboelectrification and electrostatic...
Heterogeneous Catalysis “On Demand”: Mechanically Controlled Catalytic Activity of a Metal Surface
AuthorsTomasz Mazur†, Slawomir Lach†, Bartosz A. Grzybowski* AbstractA metal surface passivated with a tightly packed self-assembled monolayer (SAM) can be made catalytically active upon the metal’s mechanical deformation. This deformation renders the SAM sparser and exposes...
Robocasting of dense yttria-stabilized zirconia structures
AuthorsErwin Peng, Xiangxia Wei, Ulf Garbe, Dehong Yu, Brunet Edouard, Aihong Liu & Jun Ding AbstractAdvanced ceramic materials with complex design have become inseparable from the current engineering applications. Due to the limitation of traditional ceramic processing,...
Characterization and Control of Nanoparticle Emission during 3D Printing
AuthorsOhhun Kwon †‡, Chungsik Yoon *†‡, Seunghon Ham ‡, Jihoon Park †, Jinho Lee †, Danbi Yoo †, Yoojin Kim † AbstractThis study aimed to evaluate particle emission characteristics and to evaluate several control methods used to reduce particle emissions during...
Cam-based sustainable triboelectric nanogenerators with a resolution-free 3D-printed system
AuthorsYounghoon Lee (a), Wook Kim (a), Divij Bhatia (a), Hee Jae Hwang (a), Sangmin Lee (b), Dukhyun Choi (a) AbstractAbundant rotating energies in our environment could be utilized to produce electrical power by using mechanical energy harvesters; however, rotating scavengers...
A portable, low-cost, 3D-printed main magnetic field system for magnetic imaging
AuthorsIksung Kang AbstractIn this paper, a portable, low-cost, 3D-printed system for main magnetic field is proposed to suggest a solution for accessibility problems of current magnetic imaging systems, e.g. MRI scanner, their size and cost. The system consists of twelve pairs...
Biomimetic heterogenous elastic tissue development
AuthorsKai Jen Tsai, Simon Dixon, Luke Richard Hale, Arnold Darbyshire, Daniel Martin & Achala de Mel AbstractThere is an unmet need for artificial tissue to address current limitations with donor organs and problems with donor site morbidity. Despite the success with...
Ferrite-based soft and hard magnetic structures by extrusion free-forming
AuthorsErwin Peng (a), Xiangxia Wei (a), Tun Seng Herng (a), Ulf Garbe (b), Dehong Yu (b), Jun Ding (*, a) AbstractFunctional ceramic materials, especially those with unique magnetic properties, with complex geometries have become increasingly important for various key...
Органотипичные костные имплантаты — перспектива развития современных остеопластических материалов
AuthorsА. А. Мураев, С. Ю. Иванов, С. Г. Ивашкевич, К. Горшенев, А. Т. Телешев, А. В. Кибардин, К. К. Кобец, В. К. Дубровин AbstractПо данным отчета Европейского союза по нанотехнологиям, мировой рынок биоматериалов (речь идет не только о материалах для восстановления кости)...
An Ergonomic Shape Design for Automotive Push-Return Switches
AuthorsDaewon Choi, Kimin Ban, Jaeho Choe, Eui S. Jung AbstractThe objective of this study is to understand the effect of angle and curvature of push-return switches, which are external factors in the operation environment inside the cars, on the feel of operation and to...
A start-up project to create customised 3D-printed hand prostheses affordable in developing countries
AuthorsRafael R. Torrealba, Samuel B Udelman, Arturo J Rivas, Fernando J Carvalho AbstractPurpose: Prosthetic devices are expensive in developing countries, regardless of whether they are for lower or upper limbs. However, in the latter case, the prostheses are not much...
Fabrication of YBa2Cu3O7−x (YBCO) superconductor bulk structures by extrusion freeforming
AuthorsXiangxia Wei, Ragavendran Sundaram Nagarajan, Erwin Peng, Junmin Xue, John Wang, Jun Ding AbstractPractical applications of high temperature superconductors may require them to be processed into complex geometries. In this work, slurry-based extrusion freeforming coupled...
Development of a Multi-functional Soft Robot (SNUMAX) and Performance in RoboSoft Grand Challenge
AuthorsJun-Young Lee, Brian Byunghyun Kang, Dae-Young Lee, Sang-Min Baek, Woong-Bae Kim, Woo-Young Choi, Jeong-Ryul Song, Hyeong-Joon Joo, Daegeun Park, Kyu-Jin Cho* AbstractThis paper introduces SNUMAX, the grand winner of the RoboSoft Grand Challenge. SNUMAX was built to...
The effects of moisture and temperature on the mechanical properties of additive manufacturing components: fused deposition modeling
AuthorsEunseob Kim, Yong-Jun Shin, Sung-Hoon Ahn AbstractPurpose This paper aims to investigate the water absorption behaviors and mechanical properties, according to water absorption and temperature, of components fabricated by fused deposition modeling (FDM) and injection...
3D bioprinting of skin: a state-of-the-art review on modelling, materials, and processes
AuthorsS Vijayavenkataraman¹, W F Lu¹ and J Y H Fuh¹,² AbstractThe skin is the largest organ of the body, having a complex multi-layered structure and guards the underlying muscles, bones, ligaments, and internal organs. It serves as the first line of defence to any external...
Design and Fabrication of Double-Focused Ultrasound Transducers to Achieve Tight Focusing
AuthorsJihun Jang (1), Jin Ho Chang (1, 2, 3, *) AbstractBeauty treatment for skin requires a high-intensity focused ultrasound (HIFU) transducer to generate coagulative necrosis in a small focal volume (e.g., 1 mm3) placed at a shallow depth (3–4.5 mm from the skin surface)....
Adaptive modeling method for 3-D printing with various polymer materials
AuthorsGobong Choi & Sungmin Kim AbstractAn adaptive modeling method has been developed to improve the accuracy of an FDM type 3-D printer especially when printing complex small objects. The thermal and flow properties of PLA, ABS, and HIPS were measured using various types...
Ti scaffolds with tailored porosities and mechanical properties using porous polymer templates
AuthorsJung-Bin Lee (a), Min-Kyung Ahn (a), Young-Hag Koh (a, b), Hyun Lee (c), Hyoun-Ee Kim (c, d) AbstractThis study proposes a simple, useful approach to produce three-dimensionally macrochanneled titanium (Ti) scaffolds with tailored porosities and mechanical properties...
Development of design and manufacturing methodology to create preformed custom prostheses for cranioplasty applications
AuthorsNatalia Leon, Leandro I. Martínez, Rafael R. Torrealba, Samuel B. Udelman AbstractPolymethyl methacrylate (PMMA) preformed custom implants for cranioplasty applications have two main purposes: to restore the protection normally given by the cranium to the brain, and to...
Development of a polymer-based tendon-driven wearable robotic hand
AuthorsBrian Byunghyun Kang, Haemin Lee, Hyunki In, Useok Jeong, Jinwon Chung, Kyu-Jin Cho AbstractThis paper presents the development of a polymer-based tendon-driven wearable robotic hand, Exo-Glove Poly. Unlike the previously developed Exo-Glove, a fabric-based tendon-driven...
Application Research of 3D Printing Technology on Dress Forms
AuthorsLim, Hye Won, Cassidy, Thomas and Cassidy, Tracy Diane AbstractDress form is an essential tool in the clothing-making process for pattern block development, draping and quality inspection. However, it is noted that a single dress form is not applicable for a large...
Fabrication of three-dimensional scan-to-print ear model for microtia reconstruction
AuthorsByoungjun Jeon BS (a), Chiwon Lee PhD (b), Myungjoon Kim BS (a), Tae Hyun Choi MD PhD (c), Sungwan Kim PhD (b, d), Sukwha Kim MD PhD (c) AbstractBackground Microtia is a congenital deformity of the external ear that occurs in 1 of every 5000 births. Microtia...
Hybrid 3D Printing and Casting Manufacturing Process for Fabrication of Smart Soft Composite Actuators
AuthorsKim Min-Soo, Song Sung-Hyuk, Kim Hyung-Il, Ahn Sung-Hoon AbstractIntricate deflection requires many conventional actuators (motors, pistons etc.), which can be financially and spatially wasteful. Novel smart soft composite (SSC) actuators have been suggested, but...
Design and 3D printing of controllable-pitch archimedean screw for pico-hydropower generation
AUTHORSKyung Tae Lee, Eun-Seob Kim, Won-Shik Chu & Sung-Hoon Ahn AbstractRenewable energy has attracted considerable attention because the energy problem has become a worldwide issue. The development of pico-hydropower generation, as a component of distributed generation,...
A novel electroporation system for efficient molecular delivery into Chlamydomonas reinhardtii with a 3-dimensional microelectrode
AuthorsSeongsu Kang, Kwon-Ho Kim & Yeu-Chun Kim AbstractElectroporation is one of the most widely used transfection methods because of its high efficiency and convenience among the various transfection methods. Previous micro-electroporation systems have some drawbacks such...
Emissions of Nanoparticles and Gaseous Material from 3D Printer Operation
AuthorsYuna Kim †, Chungsik Yoon *†‡, Seunghon Ham †‡, Jihoon Park †, Songha Kim †, Ohhun Kwon †, Perng-Jy Tsai § AbstractThis study evaluated the emissions characteristics of hazardous material during fused deposition modeling type 3D printing. Particulate and gaseous...
Morphology and Properties of Textiles Manufactured by Three-Dimensional Printing Based on Fused Deposition Modeling
AuthorsLee Sun Hee AbstractIn this study, the possibility of textile manufacture by 3D printing based on fused deposition modeling (FDM) was investigated. Among the various filaments that can be used for 3D printing, three polylactic acid (PLA) filaments and one thermoplastic...
Characterization of Particulate Matter and Gaseous Material Emission at 3D Printer Operation
AuthorsKim Yuna AbstractThree-dimensional (3D) printers are used for various purposes, including education, production of vehicle and aircraft parts, and in medical science. The most popular 3D printers use the fused deposition modeling (FDM) printing method. FDM printing uses...
AuthorsJun Mo Koo (a, b, 1), Jaeryeon Kang (a, 1), Sung-Ho Shin (a), Jonggeon Jegal (a), Hyun Gil Cha (a), Seunghwan Choy (c), Minna Hakkarainen (b), Jeyoung Park (a, d), Dongyeop X. Oh (a, d), Sung Yeon Hwang (a, d) AbstractA biobased and biocompatible thermoplastic elastomer...
Heat capacity variables of thermoplastic polyurethane for high-quality 3D printing resolution and their characteristics
AuthorsKyung Seok Kang, Chanhyuk Jee, Ji-Hong Bae, Hyo Jin Jung, PilHo Huh AbstractThe preparation of TPUs base balanced by an intelligent mix of ductility and hardness for the 3D printing systems is successfully synthesized. The larger heat capacity leads to an increase in...
Fabrication of poly(lactic acid)Ti composite scaffolds with enhanced mechanical properties and biocompatibility via fused filament fabrication (FFF)–based 3D printing
AuthorsJina Lee (a¹), Hyun Lee (b¹), Kwang-Hee Cheon (b), Cheonil Park (b), Tae-Sik Jang (a), Hyoun-Ee Kim (b), Hyun-Do Jung (a) AbstractIdeal bone substitutes should ensure good integration with bone tissue and are therefore required to exhibit good mechanical stability and...
Development of an effective sample transfer device for biomarker detection in nasal secretions
AuthorsYoung Ju Lee (a), Jae-Chul Lee (b), Young Gyu Eun (c), Gi-Ja Lee (a) AbstractNasal secretions (NS) reflect inflammatory activity of the nasal mucosa and thus can be utilized for disease diagnosis and determining treatment effects in Allergic rhinitis (AR). However,...
Coaxial bioprinting of cell-laden vascular constructs using a gelatin–tyramine bioink
AuthorsSoyoung Hong (a), Ji Seon Kim (a), Boyoung Jung (a), Chonghyun Won *(b), Changmo Hwang *(a, c) AbstractHerein, three-dimensional (3D) bioprinting of engineered constructs with cell-laden biomaterials was investigated for the development of 3D tissue constructs in vitro....
3D Printing of Zeolite for Adsorption of Radioisotopes from a Nuclear Reactor Coolant
AuthorsSujeong Lee (a), Ho Jin Ryu (a, *) AbstractIn operating nuclear power plants, the radionuclides are present in the reactor coolant system. These radionuclides are generated primarily by activation of dissolved ions released from structural components into the coolant....
Structure establishment of three-dimensional (3D) cell culture printing model for bladder cancer
AuthorsMyeong Joo Kim (#1), Byung Hoon Chi (#1), James J. Yoo (2), Young Min Ju (2), Young Mi Whang (1, ‡*), In Ho Chang (1, ‡*), Jung Weon Lee AbstractPurpose Two-dimensional (2D) cell culture is a valuable method for cell-based research but can provide unpredictable,...
Evaluation of Sericin Containing Gel as a Photoinitiator-Free Printable Biomaterial
AuthorsMijin Jang, Bo Kyung Park, Jeung Soo Huh, Jeong Ok Lim AbstractCurrent major challenge in three-dimensional (3D) printing of biological tissues is lack of proper printable biomaterials. Development of 3D printable biomaterials for safely and efficiently printing...
Bioprinting Technologies in Tissue Engineering
AuthorsBengi Yilmaz, Aydin Tahmasebifar, Erkan Türker Baran AbstractBioprinting technology is a strong tool in producing living functional tissues and organs from cells, biomaterial-based bioinks, and growth factors in computer-controlled platform. The aim of this chapter is to...
An interview with Heon Ju Lee on ROCKIT Healthcare’s novel bioprinting treatment for dermal scarring
AuthorsHeon Ju Lee AbstractIn this exclusive interview, Heon Ju Lee discusses ROCKIT healthcare’s novel bioprinting technique used to treat patients with dermal scarring. This interview was conducted by Mike Gregg, Commissioning Editor of the Journal of 3D Printing in...
A recyclable CNC-milled microfluidic platform for colorimetric assays and label-free aged-related macular degeneration detection
AuthorsSamjin Choi(a, 1), Sang Woong Moon (b, 1), Seung Ho Lee (a), Wansun Kim (a), Soogeun Kim (a), Su Kang Kim (c) Jae-Ho Shin (b), Young-Guk Park (d), Kyung-Hyun Jin (b), Tae Gi Kim (b) AbstractWe report the development of a simple, low-cost, and eco-friendly stand-alone 3D...
Characterization of the biomechanical properties of canine trachea using a customized 3D-printed apparatus
AuthorsJennifer Sang-jee Lee (a, 1), Jonghyun Park (b, 1), Dong-A Shin (b), Yoon-jong Ryu (a), Hee Chan Kim (c, d, e), Jung Chan Lee (c, d, e), Seong Keun Kwon (a) AbstractObjectives The canine trachea is considered to be an excellent preclinical model for tracheal research due...
Development of a semi-customized tongue displacement device using a 3D printer for head and neck IMRT
AuthorsChae-Seon Hong, Dongryul Oh, Sang Gyu Ju, Yong Chan Ahn, Cho Hee Na, Dong Yeol Kwon & Cheol Chong Kim AbstractPurpose To reduce radiation doses to the tongue, a patient-specific semi-customized tongue displacement device (SCTDD) was developed using a 3D printer (3DP)...
Heart‐sparing radiotherapy with three‐dimensional printing technology after mastectomy for patients with left breast cancer
AuthorsKyungmi Yang MD, Won Park MD, PhD, Sang Gyu Ju PhD, Yoonsun Chung PhD, Doo Ho Choi MD, PhD, Hyejung Cha MD, Ju Young Park MS, Jung Suk Shin MS, Cho Hee Na MS AbstractThe purpose of this study was to analyze the effectiveness of electron beam therapy (EBT) with...
Analytical study on the 3D-printed structure and mechanical properties of basalt fiber-reinforced PLA composites using X-ray microscopy
AuthorsSiwon Yu (a, b), Yun Hyeong Hwang (b), Jun Yeon Hwang (b), Soon Hyung Hong (a) AbstractA high-resolution X-ray microscope was used to quantitate the internal morphological characteristics of 3D-printed, basalt-fiber-reinforced PLA composites. 3D-printed composites have...
Three-Dimensional Bioprinting of Cell-Laden Constructs Using Polysaccharide-Based Self-Healing Hydrogels
AuthorsSang Woo Kim, Do Yoon Kim, Hyun Ho Roh, Hyun Seung Kim, Jae Won Lee, Kuen Yong Lee* AbstractDevelopment of biomaterial-based bioinks is critical for replacement and/or regeneration of tissues and organs by three-dimensional (3D) printing techniques. However, the number...
Surface Engineered Biomimetic Inks Based on UV Cross-Linkable Wood Biopolymers for 3D Printing
AuthorsWenyang Xu, Xue Zhang, Peiru Yang, Otto Långvik, Xiaoju Wang*, Yongchao Zhang, Fang Cheng, Monika Österberg, Stefan Willför and Chunlin Xu* AbstractOwing to their superior mechanical strength and structure similarity to the extracellular matrix, nanocelluloses as a class...
Three-dimensional printing of wood-derived biopolymers towards biomedical applications
AuthorsXU, Wenyang AbstractThree-dimensional (3D) printing has shown promising potential in fabrication of complex tissue with a structural control from micro- to macro-scale, meeting the requirements of tissue engineering. Wood-derived biopolymers as a category of biomaterials...
Effect of Temperature on the Emission Rate of Particulate Matter during 3D Printing and Characteristics of Initial Peak
AuthorsHaejoon Jeon AbstractThree dimensional (3D) printers based on fused deposition modeling (FDM) technology are rapidly becoming popular. Various harmful substances including gas and particulate matter are known to be released during 3D printing by heating thermoplastic...
3D printed PLCL/hydrogel complex scaffolds using decellularized adipose tissue development
AuthorsSoojin Lee AbstractAdipose tissue regeneration has been studied for many patients who had a burn defect, traumatic injury and mastectomy to improve their quality of life. The number of surgical operations is increasing due to the increase in the number of patients newly...
Additive Manufacturing of Polyaryletherketones
AuthorsManuel Garcia-Leiner Ph.D. *, Oana Ghita †, Robert McKay M.B.A., M.S.F. ‡, Steven M. Kurtz Ph.D. § AbstractAdditive manufacturing (AM), otherwise known as three-dimensional printing (3DP), is a growing technology area comprising a spectrum of processes that allow...
Hydrogels with an embossed surface: An all-in-one platform for mass production and culture of human adipose-derived stem cell spheroids
AuthorsSe-jeong Kim (a, b), Jaesung Park (a, b), Hayeon Byun (a, b), Young-Woo Park (a, b), Luke G. Major (c), Dong Yun Lee (a, b, d), Yu Suk Choi (c), Heungsoo Shin (a, b, d) AbstractStem cell spheroids have been studied extensively in organoid culture and therapeutic...
3D Bioprinting of human adipose stem cells (hADSCs) encapsulated hyaluronic acid (HA) based biomimetic double crosslinked hydrogel bioink for cartilage tissue engineering (CTE)
AuthorsParikshit Banerjee AbstractArticular cartilage covers the edges of the bones and provides wear resistant load bearing capacity which ultimately supports the flexible joint movement. Therefore, once these articular cartilages get damaged, they limit the free joint...
Dosimetric evaluation of respiratory gated volumetric modulated arc therapy for lung stereotactic body radiation therapy using 3D printing technology
AuthorsKyoungJun Yoon, Chiyoung Jeong, Sung-woo Kim, Byungchul Cho, Jungwon Kwak, Su Ssan Kim, Si Yeol Song, Eun Kyung Choi, SeungDo Ahn, Sang-Wook Lee AbstractThis study aimed to evaluate the dosimetric accuracy of respiratory gated volumetric modulated arc therapy (VMAT) for...
Three‐dimensional‐printed vaginal applicators for electronic brachytherapy of endometrial cancers
AuthorsJu Hyuk Lee, Hyun Nam Kim, Hyung San Lim, Sung Oh Cho AbstractPurpose Vaginal applicators for a novel miniature x‐ray tube were developed using three‐dimensional (3D) printing to be used in brachytherapy of endometrial cancers. Methods Cylindrical vaginal applicators...
An active learning approach to investigate the ecosystem of tide flats using 3D modeling and printing
AuthorsSeung-Hyuk Kwon, Yeong-Ji Lee & Yong-Ju Kwon AbstractThis paper presents an active learning approach that focuses on practical investigation of the ecosystem of tidal flats using 3D modeling and printing for biology students in order to enhance understanding of...
3D‐Printed MOF‐Derived Hierarchically Porous Frameworks for Practical High‐Energy Density Li–O2 Batteries
AuthorsZhiyang Lyu, Gwendolyn J. H. Lim, Rui Guo, Zongkui Kou, Tingting Wang, Cao Guan, Jun Ding, Wei Chen, John Wang Abstractprotic Li–O2 batteries are promising candidates for next‐generation energy storage technologies owing to their high theoretical energy densities....
Design of a shape memory composite(SMC) using 4D printing technology
AuthorsMinkyu Kang, Youngjun Pyo, Joon young Jang, Yunchan Park, Yeon-Ho Son, MyungChan Choi, Joo wan Ha, Young-Wook Chang, Caroline Sunyong Lee AbstractA fused deposition modeling (FDM) tool was used to fabricate a shape memory composite (SMC) that combined a shape memory...
Dual Sacrificial Molding: Fabricating 3D Microchannels with Overhang and Helical Features
AuthorsWei Huang Goh ¹, Michinao Hashimoto ¹,²,* AbstractFused deposition modeling (FDM) has become an indispensable tool for 3D printing of molds used for sacrificial molding to fabricate microfluidic devices. The freedom of design of a mold is, however, restricted to the...
Post-processing of FDM parts to improve surface and thermal properties
AuthorsTrieu Khoa Nguyen, Bong-Kee Lee AbstractPurpose The purpose of this paper is to develop a novel post-processing technique of fused deposition modeling (FDM) parts to improve surface roughness and reduce heat absorption and for high-temperature application in...
Bioimpressão de tecidos e órgãos: o avanço de novas tecnologias visando a Medicina 4.0
AuthorsJanaína Dernowsek AbstractA medicina 4.0, fazendo uma alusão à indústria 4.0, engloba fortemente a biofabricação de tecidos e órgãos, baseando-se numa miríade de emergentes tecnologias, especialmente no campo da medicina regenerativa, tratamento e diagnósticos...
The Arrival of Commercial Bioprinters – Towards 3D Bioprinting Revolution!
AuthorsDeepak Choudhury*, Shivesh Anand, May Win Naing* AbstractThe dawn of commercial bioprinting is rapidly advancing the tissue engineering field. In the past few years, new bioprinting approaches as well as novel bioinks formulations have emerged, enabling biological...
Commercial 3D Bioprinters
AuthorsFrederico David A. S. Pereira, Vladislav Parfenov, Yusef D. Khesuani, Aleksandr Ovsianikov, Vladimir Mironov AbstractThe bioprinters are robotic devices, which enable 3D bioprinting. In this chapter, we provide classification of already existing commercially available 3D...
Emerging Business Models Toward Commercialization of Bioprinting Technology
AuthorsYakov M. Balakhovsky, Alexander Yu. Ostrovskiy, Yusef D. Khesuani AbstractAfter breaking out from the confines of purely academic research, 3D bioprinting technology is quickly developing as a commercial industry and exhibiting the qualities of a mature market with...
A hook effect-free immunochromatographic assay (HEF-ICA) for measuring the C-reactive protein concentration in one drop of human serum
AuthorsJusung Oh ¹, *, Hyou-Arm Joung ², *, Hyung Soo Han ³, Jong Kun Kim ⁴, and Min-Gon Kim ¹ AbstractThe immunochromatographic (ICA) assay is a highly promising platform for rapid and simple detection of C-reactive protein (CRP) which is an indicator of the different phases...
Fabrication of 3D Microfluidic Channels and In‐Channel Features Using 3D Printed, Water‐Soluble Sacrificial Mold
AuthorsWei Huang Goh, Michinao Hashimoto AbstractRecent advent of additive manufacturing potentiates the fabrication of microchannels, albeit with limitations in resolution of printed structures, freedom of geometry, and choice of printable materials. Herein, a method is...
Proliferation of HDFs on gelatin based three-dimensional scaffolds by 3D bioprinting
AuthorsDong Jin Choi (1,2), Sang Jun Park (1), Bon Kang Gu, Seok Chung (2), Chun-Ho Kim (1,*) AbstractFull replacement, restoration, or, regeneration of defective or injured functional living, tissues is important goal in tissue engineering. In order to, achieve these goal, 3D...
Design, fabrication and evaluation of a hybrid biomanufacturing system for tissue engineering
AuthorsFengyuan Liu AbstractPlasma-assisted Bio-extrusion System (PBS System) is an innovative hybrid bio-manufacturing system to produce complex multi-material and functionally graded scaffolds combining multiple pressure-assisted and screw-assisted printing heads and plasma...
Microwave-Assisted Protein Digestion in a Plate Well for Facile Sampling and Rapid Digestion
AuthorsHyeonil Kim †‡, Han Sol Kim †‡, Dabin Lee §‡, Dongwon Shin §, Daeho Shin ∥, Jeongkwon Kim *§, Jungbae Kim *† AbstractProtein digestion is one of the most important processes in proteomic analysis. Here, we report microwave-assisted protein digestion in a plate well,...
Toward Functional 3D Architectured Platform: Advanced Approach to Anchor Functional Metal Oxide onto 3D Printed Scaffold
AuthorsJunghyun Choi, Patrick Joo Hyun Kim, Jihoon Seo, Jiseok Kwon, Sangkyu Lee, Taeseup Song AbstractThe authors first report the three‐dimensional (3D) structured CeO2–PLA scaffold using a 3D printing methodology. The scaffold is prepared by decorating functional metal‐oxide...
Nanopillar-array architectured PDMS-based triboelectric nanogenerator integrated with a windmill model for effective wind energy harvesting
AuthorsBhaskar Dudem (a, 1), Nghia Dinh Huynh (b, 1), Wook Kim (b), Dong Hyun Kim (a), Hee Jae Hwang (b), Dukhyun Choi (b), Jae Su Yu (a) AbstractTriboelectric nanogenerator (TENG) is an up-and-coming technology that functions based on the triboelectrification and electrostatic...
Heterogeneous Catalysis “On Demand”: Mechanically Controlled Catalytic Activity of a Metal Surface
AuthorsTomasz Mazur†, Slawomir Lach†, Bartosz A. Grzybowski* AbstractA metal surface passivated with a tightly packed self-assembled monolayer (SAM) can be made catalytically active upon the metal’s mechanical deformation. This deformation renders the SAM sparser and exposes...
Robocasting of dense yttria-stabilized zirconia structures
AuthorsErwin Peng, Xiangxia Wei, Ulf Garbe, Dehong Yu, Brunet Edouard, Aihong Liu & Jun Ding AbstractAdvanced ceramic materials with complex design have become inseparable from the current engineering applications. Due to the limitation of traditional ceramic processing,...
Characterization and Control of Nanoparticle Emission during 3D Printing
AuthorsOhhun Kwon †‡, Chungsik Yoon *†‡, Seunghon Ham ‡, Jihoon Park †, Jinho Lee †, Danbi Yoo †, Yoojin Kim † AbstractThis study aimed to evaluate particle emission characteristics and to evaluate several control methods used to reduce particle emissions during...
Cam-based sustainable triboelectric nanogenerators with a resolution-free 3D-printed system
AuthorsYounghoon Lee (a), Wook Kim (a), Divij Bhatia (a), Hee Jae Hwang (a), Sangmin Lee (b), Dukhyun Choi (a) AbstractAbundant rotating energies in our environment could be utilized to produce electrical power by using mechanical energy harvesters; however, rotating scavengers...
A portable, low-cost, 3D-printed main magnetic field system for magnetic imaging
AuthorsIksung Kang AbstractIn this paper, a portable, low-cost, 3D-printed system for main magnetic field is proposed to suggest a solution for accessibility problems of current magnetic imaging systems, e.g. MRI scanner, their size and cost. The system consists of twelve pairs...
Biomimetic heterogenous elastic tissue development
AuthorsKai Jen Tsai, Simon Dixon, Luke Richard Hale, Arnold Darbyshire, Daniel Martin & Achala de Mel AbstractThere is an unmet need for artificial tissue to address current limitations with donor organs and problems with donor site morbidity. Despite the success with...
Ferrite-based soft and hard magnetic structures by extrusion free-forming
AuthorsErwin Peng (a), Xiangxia Wei (a), Tun Seng Herng (a), Ulf Garbe (b), Dehong Yu (b), Jun Ding (*, a) AbstractFunctional ceramic materials, especially those with unique magnetic properties, with complex geometries have become increasingly important for various key...
Органотипичные костные имплантаты — перспектива развития современных остеопластических материалов
AuthorsА. А. Мураев, С. Ю. Иванов, С. Г. Ивашкевич, К. Горшенев, А. Т. Телешев, А. В. Кибардин, К. К. Кобец, В. К. Дубровин AbstractПо данным отчета Европейского союза по нанотехнологиям, мировой рынок биоматериалов (речь идет не только о материалах для восстановления кости)...
An Ergonomic Shape Design for Automotive Push-Return Switches
AuthorsDaewon Choi, Kimin Ban, Jaeho Choe, Eui S. Jung AbstractThe objective of this study is to understand the effect of angle and curvature of push-return switches, which are external factors in the operation environment inside the cars, on the feel of operation and to...
A start-up project to create customised 3D-printed hand prostheses affordable in developing countries
AuthorsRafael R. Torrealba, Samuel B Udelman, Arturo J Rivas, Fernando J Carvalho AbstractPurpose: Prosthetic devices are expensive in developing countries, regardless of whether they are for lower or upper limbs. However, in the latter case, the prostheses are not much...
Fabrication of YBa2Cu3O7−x (YBCO) superconductor bulk structures by extrusion freeforming
AuthorsXiangxia Wei, Ragavendran Sundaram Nagarajan, Erwin Peng, Junmin Xue, John Wang, Jun Ding AbstractPractical applications of high temperature superconductors may require them to be processed into complex geometries. In this work, slurry-based extrusion freeforming coupled...
Development of a Multi-functional Soft Robot (SNUMAX) and Performance in RoboSoft Grand Challenge
AuthorsJun-Young Lee, Brian Byunghyun Kang, Dae-Young Lee, Sang-Min Baek, Woong-Bae Kim, Woo-Young Choi, Jeong-Ryul Song, Hyeong-Joon Joo, Daegeun Park, Kyu-Jin Cho* AbstractThis paper introduces SNUMAX, the grand winner of the RoboSoft Grand Challenge. SNUMAX was built to...
The effects of moisture and temperature on the mechanical properties of additive manufacturing components: fused deposition modeling
AuthorsEunseob Kim, Yong-Jun Shin, Sung-Hoon Ahn AbstractPurpose This paper aims to investigate the water absorption behaviors and mechanical properties, according to water absorption and temperature, of components fabricated by fused deposition modeling (FDM) and injection...
3D bioprinting of skin: a state-of-the-art review on modelling, materials, and processes
AuthorsS Vijayavenkataraman¹, W F Lu¹ and J Y H Fuh¹,² AbstractThe skin is the largest organ of the body, having a complex multi-layered structure and guards the underlying muscles, bones, ligaments, and internal organs. It serves as the first line of defence to any external...
Design and Fabrication of Double-Focused Ultrasound Transducers to Achieve Tight Focusing
AuthorsJihun Jang (1), Jin Ho Chang (1, 2, 3, *) AbstractBeauty treatment for skin requires a high-intensity focused ultrasound (HIFU) transducer to generate coagulative necrosis in a small focal volume (e.g., 1 mm3) placed at a shallow depth (3–4.5 mm from the skin surface)....
Adaptive modeling method for 3-D printing with various polymer materials
AuthorsGobong Choi & Sungmin Kim AbstractAn adaptive modeling method has been developed to improve the accuracy of an FDM type 3-D printer especially when printing complex small objects. The thermal and flow properties of PLA, ABS, and HIPS were measured using various types...
Ti scaffolds with tailored porosities and mechanical properties using porous polymer templates
AuthorsJung-Bin Lee (a), Min-Kyung Ahn (a), Young-Hag Koh (a, b), Hyun Lee (c), Hyoun-Ee Kim (c, d) AbstractThis study proposes a simple, useful approach to produce three-dimensionally macrochanneled titanium (Ti) scaffolds with tailored porosities and mechanical properties...
Development of design and manufacturing methodology to create preformed custom prostheses for cranioplasty applications
AuthorsNatalia Leon, Leandro I. Martínez, Rafael R. Torrealba, Samuel B. Udelman AbstractPolymethyl methacrylate (PMMA) preformed custom implants for cranioplasty applications have two main purposes: to restore the protection normally given by the cranium to the brain, and to...
Development of a polymer-based tendon-driven wearable robotic hand
AuthorsBrian Byunghyun Kang, Haemin Lee, Hyunki In, Useok Jeong, Jinwon Chung, Kyu-Jin Cho AbstractThis paper presents the development of a polymer-based tendon-driven wearable robotic hand, Exo-Glove Poly. Unlike the previously developed Exo-Glove, a fabric-based tendon-driven...
Application Research of 3D Printing Technology on Dress Forms
AuthorsLim, Hye Won, Cassidy, Thomas and Cassidy, Tracy Diane AbstractDress form is an essential tool in the clothing-making process for pattern block development, draping and quality inspection. However, it is noted that a single dress form is not applicable for a large...
Fabrication of three-dimensional scan-to-print ear model for microtia reconstruction
AuthorsByoungjun Jeon BS (a), Chiwon Lee PhD (b), Myungjoon Kim BS (a), Tae Hyun Choi MD PhD (c), Sungwan Kim PhD (b, d), Sukwha Kim MD PhD (c) AbstractBackground Microtia is a congenital deformity of the external ear that occurs in 1 of every 5000 births. Microtia...
Hybrid 3D Printing and Casting Manufacturing Process for Fabrication of Smart Soft Composite Actuators
AuthorsKim Min-Soo, Song Sung-Hyuk, Kim Hyung-Il, Ahn Sung-Hoon AbstractIntricate deflection requires many conventional actuators (motors, pistons etc.), which can be financially and spatially wasteful. Novel smart soft composite (SSC) actuators have been suggested, but...
Design and 3D printing of controllable-pitch archimedean screw for pico-hydropower generation
AUTHORSKyung Tae Lee, Eun-Seob Kim, Won-Shik Chu & Sung-Hoon Ahn AbstractRenewable energy has attracted considerable attention because the energy problem has become a worldwide issue. The development of pico-hydropower generation, as a component of distributed generation,...
A novel electroporation system for efficient molecular delivery into Chlamydomonas reinhardtii with a 3-dimensional microelectrode
AuthorsSeongsu Kang, Kwon-Ho Kim & Yeu-Chun Kim AbstractElectroporation is one of the most widely used transfection methods because of its high efficiency and convenience among the various transfection methods. Previous micro-electroporation systems have some drawbacks such...
Emissions of Nanoparticles and Gaseous Material from 3D Printer Operation
AuthorsYuna Kim †, Chungsik Yoon *†‡, Seunghon Ham †‡, Jihoon Park †, Songha Kim †, Ohhun Kwon †, Perng-Jy Tsai § AbstractThis study evaluated the emissions characteristics of hazardous material during fused deposition modeling type 3D printing. Particulate and gaseous...
Morphology and Properties of Textiles Manufactured by Three-Dimensional Printing Based on Fused Deposition Modeling
AuthorsLee Sun Hee AbstractIn this study, the possibility of textile manufacture by 3D printing based on fused deposition modeling (FDM) was investigated. Among the various filaments that can be used for 3D printing, three polylactic acid (PLA) filaments and one thermoplastic...
Characterization of Particulate Matter and Gaseous Material Emission at 3D Printer Operation
AuthorsKim Yuna AbstractThree-dimensional (3D) printers are used for various purposes, including education, production of vehicle and aircraft parts, and in medical science. The most popular 3D printers use the fused deposition modeling (FDM) printing method. FDM printing uses...
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