Lab-on-a-chip technology has been long envisaged to have tremendous commercial potential, owing the ability of such devices encapsulate a full range laboratory processes in single instrument and operate portable manner, rapidly at low cost. Devices are believed potential fields ranging across medical diagnostics, environmental sampling consumer products, however, date very few attained success. This review examines challenges relating commercialization lab-on-a-chip from fundamental research...

This study examines the changes in physical and mechanical properties of acrylonitrile butadiene styrene (ABS) when manufactured using fused filament fabrication (FFF) 3D printing across multiple recycling phases. Tests were carried out initially virgin ABS, which subsequently underwent two successive closed-loop extrusion For each endpoint manufacturing phase, samples examined to monitor thermal characteristics, properties, polymer degradation. It was found that there a series polymer,...

<p>In this study we aim to investigate recycling of waste plastics products into filaments for use in a typical FDM 3D printing system. We the parameters relating control filament thickness variety different plastic types, which include HDPE and ABS. Following generation, were investigated optimise print produce demonstration models, test resolution. Results suggest that proposed supply chain can allow highly repeatable ABS generation with diameter 1.74 ± 0.1mm 1.65 respectively....

Facial prosthetic offer patients a low risk and high impact treatment option to address underlying facial defects. Such devices are generally handmade, requiring several labour-intensive manufacturing phases numerous patient consultations develop the final device. Therefore, production is time-consuming costly process with significant inconvenience highly dependent on skills of prosthetists, making whole subjective. We investigate potential medical imaging, 3D design modelling...

Laser engraving has considerable potential for the rapid and cost effective manufacturing of polymeric microfluidic devices. However, fabricated devices are hindered by relatively large surface roughness in engraved areas, which can perturb smooth fluidic flow damage sensitive biological components. This effect is exacerbated when at depths beyond laser focal range, limiting production aspect ratio such as microbioreactors. work aims to overcome limitations realise more reproducible defect...

<p>In this study we investigate the design methodology for creation of a patient specific, whole mandible implant based on patient’s medical imaging data. We tailor as treatment option who will undergo mandibulectomy due to cancer infiltration jaw. create 3D representative model skeletal structure from CT scan data, and us generate corrupt mandible. In particular case is restricted right region mandible, so left side used in symmetry matching approach final manufacturing. The was...

Purpose Cushioning is a useful material property applicable for range of applications from medical devices to personal protective equipment. The current ability apply cushioning in product context limited by the appropriateness available materials, with polyurethane foams being gold standard material. purpose this study investigate additively manufactured flexible printing scaffold structures as an alternative. Design/methodology/approach In study, investigates triply periodic minimal...

Capillary forces in microfluidics provide a simple yet elegant means to direct liquids through flow channel networks. The ability manipulate the truly automated manner has proven more problematic. majority of valves require some form control devices, which are manually, mechanically or electrically driven. Most demonstrated capillary systems have been manufactured by photolithography, which, despite its high precision and repeatability, can be labour intensive, requires clean room...

Highly organized, porous architectures leverage the true potential of additive manufacturing (AM) as they can simply not be manufactured by any other means. However, their mainstream usage is being hindered traditional methodologies design which are heavily mathematically orientated and do allow ease controlling geometrical attributes. In this study, we aim to address these limitations through a more design-driven approach demonstrate how complex mathematical surfaces, such triply periodic...

In this article we propose the EcoPrinting technology, which aims at a near zero carbon foot print means of recycling waste polymers into functional, working products. To achieve goal, demonstrate nanogrid device by solar energy can be stored in modest sized battery system and use to power instrumentation for melt extrusion 3D printer filaments. We then filament modified manufacture functional humanitarian aid components such as water seals pipe connectors. investigate feasibility principal...

There is rising interest into the inner workings of fashion supply chain due to increasing concern surrounding environmental impact, social responsibility, and economic growth. Studies designed understand industry often presume knitwear sector follow linear product development process woven garment sector. However, practitioners are profoundly aware many complex distinctions, one example being ability seamlessly create three dimensional garments with minimal finishing. In spite these...

We investigate the use of medical imaging, digital design and 3D printing technologies as a viable means reproducing person’s anatomy, with intension producing working, patient specific prosthesis. This approach offers several advantages over traditional techniques, data capture is non-intrusive, models can be made using quantitative methodologies, iterations digitally stored for future reproduction, additive manufacturing ensures no loss quality when converting model into physical part....

Experimental design is a process of obtaining product with target property via experimentation. Bayesian optimization offers sample-efficient tool for experimental when experiments are expensive. Often, expert experimenters have 'hunches' about the behavior system, offering potentials to further improve efficiency. In this paper, we consider per-variable monotonic trend in underlying that results unimodal those variables value optimization. For example, sweetness candy sugar content....

Capillary action arising from surface tension-based forces has been demonstrated to be an effective means of passively actuating various fluids through simple and sophisticated microfluidic channel networks. Systems based on this technique are advantageous compared with standard pumping strategies, as they have zero power requirements, readily integrated into the overall fluidic chip design, can fabricated rapidly in a single manufacturing step. This paper comprehensively investigates time...

Laser micro-machining offers a versatile tool for the rapid manufacturing of polymeric microfluidics systems, with typical turn-around-time in order minutes. However, chaotic nature thermal evaporative ablation process can yield significant number defects surface manufactured microchannels, form residual condensed material. In this work we have investigated use solvent evaporation by which to not only laminate bond laser machined structures but remove defect formed condensation polymer....

<p>Porous three dimensional structures have seen extensive investigation among design engineers for a wide range of novel applications. The fabrication such designs would not be possible using traditional manufacturing approaches owing to the intricacy structures, but now become distinct possibility maturity 3D printing technologies. In this study, we examined creation unit cells from mathematic surface renderings as basis creating tailored porous before realising final through Fuse...