Articles tagged with 3d Printing
Scientists have created a novel 3D-printable material, bottlebrush polymers, which exhibits unusual softness and elasticity resembling human tissue. This breakthrough enables the creation of high-sensitivity electronic devices and biomimetic tissue with improved stability.
A team of ETH Zurich researchers has developed a 3D-printed bioresorbable airway stent that can be customized to a patient's anatomy. The stents, made from a specially designed resin, are biocompatible and gradually dissolve after implantation.
A new 3D printing process, developed at Northwestern University, utilizes light to control each layer, increasing precision and speed. The 'on-the-fly' feature enables the printing of complex structures and improves manufacturing flexibility.
Researchers found that commercially available 3D-printable resins leach toxic compounds that can induce severe toxicity in mouse oocytes, potentially affecting reproductive health. The study highlights the need to better understand the impact of these materials on human health.
A team of engineers has created a new material by infusing 3D printer ink with chloroplasts from spinach. This living material can be strengthened up to six times its original strength through photosynthesis and exhibits self-repairing properties.
Researchers at the University of New South Wales have created a novel ceramic-based ink that enables 3D printing of bone-like structures complete with living cells. This breakthrough technology allows for in-situ fabrication of bone tissue, which may revolutionize bone repair and regeneration techniques.
Researchers at RMIT University have developed a new method to create stronger 3D printed concrete using spiral patterns inspired by lobster shells. The twist patterns improve the material's durability and enable precise structural support where needed.
A new laser-based process allows for the 3D printing of intricate glass parts with high precision and resolution. The technique uses multiphoton polymerization, which enables the creation of complex shapes without layer-by-layer buildup.
Researchers at UMD developed a morphing nozzle to control fiber orientation during composite additive manufacturing, enabling the creation of materials with on-demand properties. This innovation could lead to new biomedical and defense applications for 3D printed fiber-filled composites.
Rutgers engineers create 3D-printed smart gel that senses light and changes shape, inspired by cephalopod skin. The technology has potential applications in military camouflage, soft robotics, and flexible displays.
Chemists at Martin-Luther-University Halle-Wittenberg have developed a combined process for 3D printing that integrates liquids directly into materials. This allows for the creation of pharmaceutical products with active medical agents and monitoring systems in plastic materials.
Research studies have found that 3D printer emissions can cause moderate toxicity in human lung cells and minimal toxicity in rats. The emitted particles can affect indoor air quality and public health, particularly for children who are more susceptible to the effects of these emissions.
NIST researchers use atomic force microscopy with a nanocylinder tip to measure polymer curing rates and diffusion in 3D printing. The study reveals that controlling light exposure conditions is crucial to uniform part production.
Researchers developed a new class of high-strength, defect-resistant superalloys that can be 3D-printed with minimal material waste. The nickel-based alloys overcome cracking issues in traditional AM processes, making them suitable for complex one-off components in extreme environments.
A team of Brazilian and French researchers has developed hydrogels based on modified starch for use as 'ink' in 3D printing of foods. The gels have optimal printability, allowing for the creation of customized food products with desired shapes, textures and flavors.
Researchers developed a combined hardware and software printing system that uses off-the-shelf varnishes to finish objects with realistic, spatially varying gloss patterns. The technology has potential applications in fine art reproduction and prosthetic design, offering near-flawless replicas and more realistic-looking prosthetics.
Researchers discovered that tiny bubbles or pores form during the printing process due to fluctuations in the keyhole's depth. By controlling the machines' speed and power, companies can avoid this problem and improve printing processes.
Researchers at NUST MISIS develop nanocarbon additive from oil waste to improve aluminum 3D printing properties and create high-quality aerospace composites. The new technology reduces material porosity and increases hardness.
Researchers at USF Health developed a 3D-printed nasal swab that performed as well as traditional flocked swabs, collecting viral cells and holding them for up to three days. The team printed over 100k samples in the first clinical trial.
A team of researchers has created the first full-size 3D bioprinted human heart model using their FRESH technique, mimicking the elasticity of cardiac tissue. The model can be manipulated like real tissue, enabling surgeons to practice and improve their skills before actual surgery.
Researchers developed a technique to print full-size, realistic heart models using alginate material and MRI scans. These models can be handled outside of the gelatin bath, enabling surgeons to practice complex heart surgeries.
A 3D-printed weather station was found to be accurate and viable for shorter campaigns, according to researchers. The low-cost sensors measured temperature, pressure, rain, UV, and relative humidity with accuracy comparable to commercial-grade stations.
Researchers from NTU and SUTD review recent efforts on 3D printing of spacers and membranes, highlighting its potential to reduce dead zones and mitigate membrane fouling. They also introduce 'hybrid additive manufacturing' as a process combining 3D printing with other methods for fabricating membranes.
Researchers at the University of Leeds have developed a biomimetic tongue surface using 3D printing, replicating the complex texture and mechanical properties of a human tongue. The new technology enables testing of oral processing properties of food, nutritional technologies, and pharmaceuticals without relying on human trials.
A team of researchers at SUTD and TTSH created a novel 3D printed non-metallic self-locking prosthetic arm that is more comfortable, flexible, and 20% cheaper than conventional prostheses. The patient's satisfaction with the new prosthesis was higher due to its improved fit, function, and comfort.
The study demonstrates the creation of microfluidic channels at the micron scale using 3D printing, which could automate production of diagnostics, sensors, and assays. The researchers also integrated these devices with electronic sensors for lab-on-a-chip sensing capabilities.
Researchers at Waseda University developed a novel technique that can produce 3D objects combining both metal and plastic. This breakthrough opens up new possibilities for 3D electronics, potentially leading to improved healthcare and nursing care devices.
Researchers from the University of Cambridge used 3D printing to create sensors beyond conventional film-based devices, outperforming commercial sensors in monitoring rapid breathing. The fibre sensors can detect breath moisture leaked through face coverings, providing potential indicators for viral transmission protection.
Researchers at SUTD developed a method to preheat gelatin ink, increasing its printing time and producing high-quality prints. The study found that preheated gelatin exhibited greater change in volume, allowing for size changes post-printing.
Materials scientists at UC San Diego create a 3D-printing method that allows for the creation of shapes with varying degrees of stiffness and actuation. The breakthrough enables the manufacture of soft robots, artificial muscles, and wearable devices with improved properties.
A multisite clinical trial found that 3D printed nasal swabs work as well as commercial synthetic flocked nasal swabs for accurate detection of COVID-19 infection. The cost-effective devices were developed in record time and have been used in 22 countries.
Researchers create micro-scaffolds that stretch cells, triggering a response to external forces. The cells counteract deformation with motor proteins, increasing their tensile forces and adapting to dynamic environments.
The Michigan Tech's Open Sustainability Technology (MOST) Lab has developed three new open-source tools in response to COVID-19: a high-temperature 3D printer, a firefighter PAPR mask, and an emergency-use ventilator. These devices can be built using locally sourced materials, reducing costs and increasing accessibility.
Researchers at NIST create complex structures with nanometer-scale precision using a new 3D-printing method, enabling the production of tiny medical devices such as flexible electrodes. The technique uses electron beams or X-rays to initiate gel formation, allowing for finer structural detail than traditional methods.
A team led by Lydia Kavraki used machine learning to predict scaffold material quality, controlling print speed is critical in making high-quality implants. The collaboration could lead to better ways to quickly print customized implants.
Researchers from SUTD developed a method to perform direct ink writing 3D printing of milk-based products at room temperature, maintaining nutrients. The team changed the rheological properties of the printing ink and demonstrated DIW 3D printing using cold-extrusion with powdered milk.
The new method enables precision fabrication of optical components and multimaterial structures, eliminating assembling processes. It allows the production of devices with high precision and low cost, and could aid in the miniaturization of optical devices used for medical treatments and diagnoses.
Researchers have created photopolymer resins that speed up visible-light curing, enabling faster 3D printing of stiff and soft objects. The optimized mix allows build speeds of up to 1.8 inches per hour, opening up new applications for 3D printing.
Researchers from Kaunas University of Technology and Vilnius University synthesized a bio-based resin for optical 3D printing that proved universal for both table-top and ultrafast laser printers. The novel material is made from renewable raw materials and can be used in industrial lines with minimal modifications.
Researchers have developed a groundbreaking process for multi-material 3D printing of lifelike heart valve models, which can be used to improve surgical outcomes in thousands of patients worldwide. The patient-specific organ models include integrated sensors that provide electronic pressure feedback to guide and optimize valve placement.
Researchers at ORNL designed a novel, 3D-printed device that captures carbon dioxide emissions from fossil fuel plants and industrial processes. The device uses additive manufacturing to integrate a heat exchanger and mass-exchanging contactor, enhancing mass transfer and increasing efficiency.
Researchers create load-bearing structure using local soil, reducing carbon footprint and waste. The new material is expected to be used in construction projects and potentially beyond Earth.
Researchers at the Swiss Federal Laboratories for Materials Science and Technology have successfully produced stable, well-shaped microstructures from silica aerogel using a 3D printer. The printed structures exhibit excellent thermal insulation properties, making them ideal for thermally insulating small electronic components and shie...
Researchers utilized 3D printing technology to produce personal protective equipment, medical devices, and isolation wards on-demand, addressing supply chain disruptions. The digital versatility of 3D printing enabled swift mobilization of the technology in response to COVID-19 emergencies.
Researchers developed a new family of polymers that can self-heal, have shape memory, and are recyclable. The materials can be fine-tuned to achieve softness like rubber or strength like load-bearing plastics, making them suitable for realistic prosthetics, soft robotics, and military applications.
The KERI research team has successfully demonstrated the production of pixels with a 3D structure, overcoming the light intensity problem and achieving a 2-fold increase in brightness. This technology enables super-high-resolution displays with a pixel density of 5,600PPI, exceeding that of 8K QLED TV.
A team of researchers at Argonne National Laboratory has discovered a possible breakthrough solution for controlling defects in 3D printing by using temperature data to predict the formation of subsurface defects. This could eliminate costly inspections and enable mass production of complex metallic components.
A new injection printing process developed by UMass Lowell researcher David Kazmer increases production rates and enhances part strength. The innovation combines 3D printing and injection molding, producing fully dense parts with few cracks or voids.
New research has developed a Lego-inspired scaffolding system using tiny, 3D-printed blocks to promote faster and more efficient healing of broken bones. The study found that growth factor-filled blocks placed near repaired rat bones led to about three times more blood vessel growth than conventional scaffolding material.
University of Minnesota researchers successfully 3D printed a functioning centimeter-scale human heart pump using real human cells. The discovery allows for studying heart function and disease at the cell and molecular level, creating a valuable tool for tracking blood movement and testing treatments.
A team of researchers from NYU Tandon School of Engineering used machine learning to reverse-engineer 3D-printed composite parts, demonstrating a method to capture fiber orientation with high accuracy. The study highlights the potential risks of intellectual property theft in 3D printing and emphasizes the need for secure toolpaths.
Researchers at Rice University have successfully created complex blood vessel networks using laser-welded sugar templates, paving the way for the creation of large tissue models. The technique enables the delivery of oxygen and nutrients to cells throughout the body, making it a promising approach for future therapeutic applications.
Researchers from Staffordshire University found that optimised cushioning in diabetic footwear can significantly reduce plantar pressure, leading to ulcers and painful complications. The study used made-to-measure 3D-printed insoles to change the stiffness of the sole, finding a clear relationship between BMI and optimal stiffness.
Researchers develop ProtoSpray technique to create interactive displays on arbitrary shapes, breaking away from 2D rectangular casings. This innovation enables makers and hobbyists to produce objects that can display information and detect touch.
A new 3D-printed membrane designed by Pitt ChemE professor Lei Li has the potential to efficiently separate oil and water. The membrane's unique surface topography and pore size will enable effective separation of oil-water emulsions, converting oily wastewater into purified water.
A novel method for 3D printing components used in neutron instruments has been licensed to ExOne Company. The collaboration will help develop patent-pending techniques to create lightweight, metal-infused composites ideal for neutron scattering applications.
Researchers at the University of Minnesota have developed a groundbreaking 3D printing technique that prints electronic sensors directly on organs expanding and contracting. This technology could aid in diagnosing and monitoring patients with COVID-19 by tracking lung movements.
Researchers have created a technology to print tissues directly in the body, using a specially-formulated bio-ink that can be crosslinked safely using visible light. This breakthrough enables minimally-invasive laparoscopic options for tissue repair and engineering, saving time and cost.
A new study demonstrates a modified 3D-printing process producing multiple colors from a single ink by mimicking nature's structural coloration. The method uses nanoscale structures called photonic crystals to reflect light and produce vivid colors.
Scientists at University of Colorado Denver create complex, porous lattice structure using liquid crystal elastomers (LCEs) to mimic cartilage and other biological tissues. The material exhibits exceptional elasticity and dissipation capabilities, making it suitable for applications in football helmets and spinal implants.