Researchers from Politecnico di Milano and Humanitas University are investigating the causes and development of neural diseases like Pitt-Hopkins syndrome (PTHS) using 3D printed neural tissues. The project has been granted €250,000 by Fondazione Cariplo as part of a call for projects under the banner “Biomedical research conducted by young researchers 2021”, and involves creating an in vitro model of the human cerebral cortex with 3D bioprinted vascularized neural tissues. “Our final objective is to lay the foundations to understand the various diseases that affect neural development in order to favor the identification of therapeutic strategies,” said Mattia Sponchioni of Politecnico di Milano and project coordinator. “This has been unthinkable to date.” Schematic representation of the project objective: to create a 3D model of the cerebral cortex by 3D bioprinting of cells derived from cortical organoids. Image via Politecnico di Milano. Investigating the causes of PTHS PTHS is a rare… read more
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March 16, 2022 Leave a Comment For those using 3D Systems’ hardware (or those thinking of investing in some), we are pleased to announce an upcoming webinar that promises to help multiply your resin-based printing output. SLA printing offers the perfect combination of speed and detail for those wishing to produce high-fidelity parts in a whole range of industries. But are you getting the most out of it? In the upcoming webinar, 3D Systems will invite theirExecutive Vice President and CTO for Additive Manufacturing David Leigh, to share how SLA printing is improving. In the webinar we will see how revolutionary innovations for SLA will provide breakthrough gains in speed, throughput, material performance and cost-efficiency for factory-floor production. These innovations now more effectively answer your requirements, from prototyping to production, whether you are a service bureau, automotive, aerospace, consumer goods, foundry or medical device manufacturer. This applies to the 3D… read more
Researchers at the Massachusetts Institute of Technology (MIT) have come up with a novel plant-derived 3D printable composite that could pave the way for the sustainable production practices of the future. Concocted from a mixture of synthetic plastic and cellulose nanocrystals (CNCs), chains of organic polymers found naturally in plantlife, the material has a highly-reinforced brick-and-mortar structure, akin to that of a mollusk’s inner shell. By pushing the CNC content of this composite as high as 90%, the team has managed to fortify it to the point that they say it’s “tougher than some types of bone and harder than typical aluminum.” In doing so, the engineers have also significantly reduced the material’s petrol content, thus it could now unlock the more sustainable 3D printing or casting of parts with as-yet-unseen properties. “By creating composites with CNCs at high loading, we can give polymer-based materials mechanical properties they never had… read more
Researchers from Zhejiang University, China, have developed a new method of 3D printing electronic circuits using liquid metal microgels. The novel approach involves encapsulating liquid metal microdroplets (specifically gallium) in alginate-based microgel shells to create a 3D printable and recyclable liquid metal microgel (LMM) ink. According to the team, the LMM ink solves many of the processability issues associated with raw liquid metals, enabling the printing of flexible electronics onto a wide variety of surfaces. The Zhejiang researchers have already used their low-cost formulation to 3D print a near-field communication (NFC) tag onto a T-shirt, paving the way for smart e-clothing. A T-shirt with an NFC tag 3D printed on the front. Photo via Zhejiang University. Working with liquid metals You may have heard the term ‘liquid metal’ before – it’s used to describe metals that have melting points around room temperature, meaning they tend to come in a liquid… read more
The State of Resin 3D Printing series continues with insights from Jason Rolland, SVP, Materials at Carbon. Rolland was an early hire for the California-based digital manufacturing company and now has over eight years of experience of leadership in the materials division. With a Ph.D. in Chemistry, Rolland has been instrumental in advancing the materials palette available for industrial 3D printing with Carbon systems. Headline-grabbing advances such as the adidas Futurecraft 4D and 4DFWD are made possible with Digital Light Synthesis. Elsewhere Carbon is active in sectors including dental, life sciences and automotive – but as Rolland says, “we have only scratched the surface of what our platform is capable of.” Carbon 3D printers at Fast Radius. Photo via Fast Radius. 3DPI: How have you seen resin-based 3D printing develop in recent years? Jason Rolland: There have been advances in what we call “single-cure” resin technology with companies like Adaptive3D,… read more
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