Yifei Jin
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View article: A bioprinted model of pregnant human uterine myometrium
A bioprinted model of pregnant human uterine myometrium Open
Despite decades of research, complications associated with dysfunctional labor are leading causes of maternal and neonatal morbidity. Currently available experimental models are not sufficient to understand the complex mechanisms underlyin…
View article: Effects of Substrate-Based Root Restriction on Tomato Growth, Fruit Quality, Yield, and Microbial Communities in a Simplified Automatic Soilless Cultivation System
Effects of Substrate-Based Root Restriction on Tomato Growth, Fruit Quality, Yield, and Microbial Communities in a Simplified Automatic Soilless Cultivation System Open
Root restriction is an agronomic technique that influences plant morphology, physiology, and productivity. This study investigates the effects of root restriction on tomato growth, fruit quality, yield and rhizosphere microbial communities…
View article: Application of electrostatic spinning technology for oral mucosal drug delivery
Application of electrostatic spinning technology for oral mucosal drug delivery Open
Electrostatic spinning has emerged as a versatile technique for fabricating nanofibrous membranes with broad biomedical applications, particularly in wound dressings, tissue engineering, and cancer therapy. These electrospun membranes serv…
View article: Desmearing two-dimensional small-angle neutron scattering data by central moment expansions
Desmearing two-dimensional small-angle neutron scattering data by central moment expansions Open
Resolution smearing is a critical challenge in the quantitative analysis of two-dimensional small-angle neutron scattering (SANS) data, particularly in studies of soft matter flow and deformation using SANS. We present the central moment e…
View article: High‐Speed Embedded Ink Writing of Anatomic‐Size Organ Constructs
High‐Speed Embedded Ink Writing of Anatomic‐Size Organ Constructs Open
Embedded ink writing (EIW) is an emerging 3D printing technique that fabricates complex 3D structures from various biomaterial inks but is limited to a printing speed of ∼10 mm s −1 due to suboptimal rheological properties of particulate‐d…
View article: Measurement system of elevator shaft based on 2D LiDAR and corner point detection technologies
Measurement system of elevator shaft based on 2D LiDAR and corner point detection technologies Open
Before an elevator is installed in a construction building, the elevator shaft needs to be accurately measured. This paper proposes an automated measurement system for measuring elevator shafts using 2D LiDAR, and a corner feature extracti…
View article: Fabrication of Hydroxyl Modified Hollow Glass Microsphere Composite Isocyanate‐Based Polyimide Foam and Optimization Strategy Based on Different Bonding Mechanisms
Fabrication of Hydroxyl Modified Hollow Glass Microsphere Composite Isocyanate‐Based Polyimide Foam and Optimization Strategy Based on Different Bonding Mechanisms Open
In this study, the hydroxyl modified hollow glass microsphere (HM‐HGM) is added to different foaming slurries of isocyanate‐based polyimide foam (IBPIF) at varying ratios, and different bonding effects are formed to optimize the dispersion…
View article: Advanced Design and 3D Printing Strategies With Alginate‐Nanoclay Nanocomposites: From Microstructure to Bioprinting
Advanced Design and 3D Printing Strategies With Alginate‐Nanoclay Nanocomposites: From Microstructure to Bioprinting Open
Nanocomposites made from alginate and nanoclay are extensively applied for diverse biomedical applications. However, the lack of a clear understanding of the interactions between alginate and nanoclay makes it difficult to rationally desig…
View article: Multiscale embedded printing of engineered human tissue and organ equivalents
Multiscale embedded printing of engineered human tissue and organ equivalents Open
Creating tissue and organ equivalents with intricate architectures and multiscale functional feature sizes is the first step toward the reconstruction of transplantable human tissues and organs. Existing embedded ink writing approaches are…
View article: Particle–polymer interactions for 3D printing material design
Particle–polymer interactions for 3D printing material design Open
Embedded ink writing (EIW) and direct ink writing (DIW) constitute the primary strategies for three-dimensional (3D) printing within the realm of material extrusion. These methods enable the rapid fabrication of complex 3D structures, util…
View article: Sacrificial scaffold-assisted direct ink writing of engineered aortic valve prostheses
Sacrificial scaffold-assisted direct ink writing of engineered aortic valve prostheses Open
Heart valve disease has become a serious global health problem, which calls for numerous implantable prosthetic valves to fulfill the broader needs of patients. Although current three-dimensional (3D) bioprinting approaches can be used to …
View article: Hybrid 3D Printing of Functional Smart Hinges
Hybrid 3D Printing of Functional Smart Hinges Open
Smart hinges fabricated using three-dimensional (3D) printing have been accepted in the aerospace, robotics, and biomedical fields since these devices possess a shape memory characteristic. Shape memory polymers (SMPs) are the preferred ma…
View article: 3D printing‐based full‐scale human brain for diverse applications
3D printing‐based full‐scale human brain for diverse applications Open
Surgery is the most frequent treatment for patients with brain tumors. The construction of full‐scale human brain models, which is still challenging to realize via current manufacturing techniques, can effectively train surgeons before bra…
View article: Material Extrusion of Helical Shape Memory Polymer Artificial Muscles for Human Space Exploration Apparatus
Material Extrusion of Helical Shape Memory Polymer Artificial Muscles for Human Space Exploration Apparatus Open
Astronauts suffer skeletal muscle atrophy in microgravity and/or zero-gravity environments. Artificial muscle-actuated exoskeletons can aid astronauts in physically strenuous situations to mitigate risk during spaceflight missions. Current…
View article: Experimental Study of Injection Molding Replicability for the Micro Embossment of the Ultrasonic Vibrator
Experimental Study of Injection Molding Replicability for the Micro Embossment of the Ultrasonic Vibrator Open
It is challenging to fabricate micro features on an injection-molded polymer product. Ultrasonic vibration induced into micro-injection molding is helpful for flow of polymer melt. In this paper, a micro-injection mold integrated with ultr…
View article: Material Extrusion Advanced Manufacturing of Helical Artificial Muscles from Shape Memory Polymer
Material Extrusion Advanced Manufacturing of Helical Artificial Muscles from Shape Memory Polymer Open
Rehabilitation and mobility assistance using robotic orthosis or exoskeletons have shown potential in aiding those with musculoskeletal disorders. Artificial muscles are the main component used to drive robotics and bio-assistive devices. …
View article: 3D Printing of Biodegradable Polymer Vascular Stents: A Review
3D Printing of Biodegradable Polymer Vascular Stents: A Review Open
Biodegradable polymer vascular stents (BPVSs) have been widely used in percutaneous coronary interventions for the treatment of coronary artery diseases. The development of BPVSs is an integrated process that combines material design/selec…
View article: Effects of Operating Conditions during Three-Layered Polymeric Balloon Catheter Extrusion
Effects of Operating Conditions during Three-Layered Polymeric Balloon Catheter Extrusion Open
Multilayered balloon catheters are attracting more attention in recent years. Multilayered balloon catheters have some unique properties such as meso-/microscale dimensions, small wall thickness, and strict requirements of dimensional accu…
View article: Simulating and Predicting the Part Warping in Fused Deposition Modeling by Thermal–Structural Coupling Analysis
Simulating and Predicting the Part Warping in Fused Deposition Modeling by Thermal–Structural Coupling Analysis Open
As the most commonly used additive manufacturing technology, fused deposition modeling (FDM) still faces some technical issues caused by temperature change-induced unsteady thermal stress and warping. These issues can further lead to the d…
View article: Nanoclay Suspension-Enabled Extrusion Bioprinting of Three-Dimensional Soft Structures
Nanoclay Suspension-Enabled Extrusion Bioprinting of Three-Dimensional Soft Structures Open
Three-dimensional (3D) extrusion printing of cellular/acellular structures with biocompatible materials has been widely investigated in recent years. However, the requirement of a suitable solidification rate of printable ink materials con…
View article: Investigation on Microstructures and Mechanical Properties of Isotactic Polypropylene Parts Fabricated by Different Process Conditions with Different Aging Periods
Investigation on Microstructures and Mechanical Properties of Isotactic Polypropylene Parts Fabricated by Different Process Conditions with Different Aging Periods Open
Polymeric parts have been increasingly used in various engineering fields. The performance of polymeric parts is significantly affected by working-environment-induced aging. In this paper, an ultrasonic-vibration-assisted injection molding…
View article: Structural Design of Mechanical Property for Biodegradable Polymeric Stent
Structural Design of Mechanical Property for Biodegradable Polymeric Stent Open
How to improve stent mechanical properties is a key issue for designing biodegradable polymeric stents (BPSs). In this study, a new design method of BPS was proposed based on the force analysis of supporting rings and bridges during stent …
View article: Fabrication of Double-Layered Alginate Capsules Using Coaxial Nozzle
Fabrication of Double-Layered Alginate Capsules Using Coaxial Nozzle Open
Multilayered encapsulation has been of great interest for various pharmaceutical, chemical, and food industries. Fabrication of well-defined capsules with more than one shell layer still poses a significant fabrication challenge. This stud…