Solar cell substrates require high optical transparency but also prefer haze to increase the light scattering and consequently absorption in active materials. Unfortunately, there is a trade-off between these properties, which exemplified by common transparent paper exhibiting of about 90% yet low (<20%). In this work, we introduce novel made wood fibers that displays both ultrahigh (∼96%) (∼60%), thus delivering an optimal substrate design for solar devices. Compared previously demonstrated...

The liver is an important organ and plays major roles in the human body. Because of lack donors after failure drug-induced injury, much research has focused on developing alternatives vitro models for transplantation drug screening. Although numerous studies have been conducted, these systems cannot faithfully mimic complexity liver. Recently, three-dimensional (3D) cell printing technology emerged as one a number innovative technologies that may help to overcome this limitation. However,...

We used 3D cell printing to emulate an airway coupled with a naturally-derived blood vessel network in vitro. Decellularized extracellular matrix bioink derived from porcine tracheal mucosa (tmdECM) was encapsulate and print endothelial cells fibroblasts within designated polycarprolactone (PCL) frame. Providing niche that emulates conditions vivo, tmdECM gradually drives re-orientation, which leads the formation of lumen network. A fully-differentiated vitro model assembled printed vascular...

Paper, one of the oldest materials for storage and exchange human's information, has been reinvented as a building component electronic optoelectronic devices over past decades with successful demonstration paper-based or paper-using devices. These recent achievements can meet demand lightweight, cost-effective, and/or flexible advanced functionality reduced manufacturing costs. This article provides review relying on making use unique properties achievable materials. Basic...

Leveraging three-dimensional (3D) bioprinting in the fields of tissue engineering and regenerative medicine has rapidly accelerated progress toward development living constructs biomedical devices. Ongoing vigorous research pursued 3D vitro models to replicate key aspects human physiology by incorporating relevant cell populations adequate environmental cues. Given their advantages being able intimately mimic heterogeneity complexity native counterparts, hold promise as alternatives...

A new paper-based anti-reflection coating for solar cells is presented showing a large reduction in the reflection over entire spectrum wide range of angles. This process simple and inexpensive, requiring no high temperature or vacuum-based processing, made from renewable cellulose fibers. As service to our authors readers, this journal provides supporting information supplied by authors. Such materials are peer reviewed may be re-organized online delivery, but not copy-edited typeset....

The tendon-bone interface (TBI) in rotator cuffs exhibits a structural and compositional gradient integrated through the fibrocartilaginous transition. Owing to restricted healing capacity, functional regeneration of TBI is considered great clinical challenge. Here, we establish novel therapeutic platform based on 3D cell-printing tissue-specific bioinks achieve spatially-graded physiology for regeneration. cell-printed patch constructs are created via spatial arrangement cell-laden tendon...

Abstract The incidences of various esophageal diseases (e.g., congenital stenosis, tracheoesophageal fistula, atresia, cancer) are increasing, but tissue is difficult to be recovered because its weak regenerative capability. There no commercialized off-the-shelf alternatives current reconstruction and regeneration methods. Surgeons usually use ectopic conduit tissues including stomach intestine, presumably inducing donor site morbidity severe complications. To date, polymer-based substitutes...

Abstract A new concept, assembling cell‐laden tissue modules, is for the first time proposed soft engineering. Adipose‐vascular modules composed of a synthetic polymer‐based substructure and customized bioinks using planar 3D cell printing are engineered. Such systematically assembled into module holder fabricated with rotational printing, resulting in development flexible volumetric assembly. Whereas most previous studies about construction adipose limited to hypoxia, poor vascularization,...

During septorhinoplasty, septal cartilage is frequently resected for various purposes but the L-strut preserved. Numerous materials are inserted into nasal dorsum during dorsal augmenation rhinoplasty without considering structural safety. This study used a finite element method (FEM) to redefine L-strut, prevent collapse as pressure moved from rhinion supratip breakpoint on and contact percentage between caudal maxillary crest changed. We designed 1-cm-wide model based computed tomography...

3D bioprinting (3DBP) is a rapid solid-form fabrication method with high degree of automation and reproducibility for constructing structural bioscaffolds. However, the development 3DBP field has been slowed due to difficulty in acquiring suitable ink materials especially natural polymers that satisfy all requirements, such as printability, mechanical integrity, biocompatibility. In this study, new bioengineered sea anemone-derived silk-like protein (aneroin) was used based on its durable...

To increase the power conversion efficiency of solar cells, improved antireflection coatings are needed to couple light into cell with minimal parasitic loss. Here, we present measurements and simulations an coating based on silicon dioxide (SiO2) nanospheres that improve absorption by coupling from free space absorbing layer through excitation modes within nanospheres. The deposited monolayer leads a significant in underlying semiconductor order 15-20%. When periodicity spacing between...

Micro-patterns, typically fabricated by microelectromechanical systems technologies, have been applied to two-dimensional (2D) environments for tissue engineering applications. Nano-stereolithography, a unique solid freeform technology, is now available apply micron-sized patterns three-dimensional (3D) scaffolds in direct process. Many studies reported that the micro-patterns, which are smaller than cell sizes, effects on behavior. Thus, we considered scaffold incorporating micro-patterns...

A male Mongolian child with a complete congenital absence of both nose and nasal passage had poor survival prognosis due to respiratory distress. To enable his survival, new capable conferring function was constructed. Following reconstructive surgery, an mucoepithelium in the can lead rhinostenosis. avoid this complication, custom‐made silicone stent created using three‐dimensional (3D) printing technology conjunction patient's computed tomography data. The implanted for 2 months maintain...

Abstract Although recent invasive fetal surgeries have improved outcomes, membrane rupture remains a major complication, leading to premature delivery, thus undermining the complete benefits of such procedures. A biocompatible amnion‐analogous medical device (AMED) consisting polycaprolactone framework and decellularized amniotic (dAM)–derived hydrogel for restoration defect is developed using 3D printing technology. Its efficacy on healing iatrogenic defects in vitro evaluated, showing that...

In order to absorb a significant fraction of the incident sunlight, solar cell must incorporate light management techniques, including high-quality antireflection coatings. Such coatings are typically produced via high-temperature deposition methods that costly. Here, we present new technique based on scattering within transparent paper is placed top cell. The optical and electronic responses both Si GaAs cells tested with these coatings, broadband angle-insensitive response achieved. A...

To assess the feasibility and safety of a novel 3D-printed biodegradable biliary stent using polycaprolactone (PCL) in an vivo porcine model. In this animal study domestic pigs, radiopaque stents made barium sulfate were produced 3D printing surgically inserted into common bile duct (CBD) pigs (stent group, n = 12). Another five allocated to control group that only underwent resection anastomosis CBD without insertion. check position status stent-related complications, follow-up computed...

The implantation of cell-seeded large-sized scaffold often results in insufficient tissue regeneration, which is still a challenge for successful grafting. Excess hydrogen peroxide (H2O2) released by cells propagates oxidative stress, the primary cause injury leading to failure regeneration. Hence, preventing from damage becomes imperative. For first time, we entrapped catalase, an antioxidant as novel approach bioengineering prevent H2O2-induced damage. gel prepared mixture decellularized...

A pH-responsive microbubble-eluting theranostic stent is developed for real-time ultrasound imaging of implanted blood vessels and dissolution fat-rich plaques to prevent the blocking in rats. This smart can be effectively applied facilitate noninvasive monitoring restenosis after implantation.

Nanoscale surface patterning commonly used to increase absorption of solar cells can adversely impact the open-circuit voltage due increased area and recombination. Here, we demonstrate absorptivity photocurrent enhancement using silicon dioxide (SiO2) nanosphere arrays on a gallium arsenide (GaAs) cell that do not require direct patterning. Due combined effects thin-film interference whispering gallery-like resonances within arrays, there is more than 20% in both photocurrent. To determine...

Solar cells made of polycrystalline thin-films can outperform their single-crystalline counterparts despite the presence grain boundaries (GBs). To unveil influence GBs, high spatial resolution characterization techniques are needed to measure local properties in vicinity. However, results obtained using single technique may provide limited aspects about GB effect. Here, we employ two techniques, near-field scanning photocurrent microscopy (NSPM) and transmission electron microscope based...

A radiopaque, long-term drug eluting bioresorbable stent is developed for the treatment of femoral-iliac artery. The prepared materials are printed on a pre-designed rotating rod. fabricated can be adapted various clinical cases.