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Will robotic assisted in situ bioprinting become the next generation of surgical modality for cartilage repair?

The technique has the potential to overcome major shortcomings associated with conventional bioprinting, allowing real-time wound treatment and immediate anastomosis with native tissue. However, challenges remain, including integration with surrounding tissues and limited access to defect sites in articular joints.

SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateJun 25, 2023

Creating artificially engineered organs could become quicker and easier

Researchers have developed a new manufacturing pipeline to simplify and advance high-value manufacturing of tissue-compatible organs, reducing costs and increasing efficiency. This breakthrough aims to address the dire need for artificially engineered organs and tissue grafts, potentially saving thousands of lives in the UK.

SourceUniversity of Huddersfield·JournalAdvanced Healthcare Materials·TypeImaging analysis·DateJun 12, 2023

From functional to intelligent: laser powder bed fusion additive manufactured NiTi shape memory alloys

Researchers at Huazhong University of Science and Technology have developed a systematic review of laser powder bed fusion (LPBF)-fabricated NiTi alloys. The study highlights the effect of process parameters on printability, mechanical properties, and functional behaviors of NiTi shape memory alloys. These findings provide evidence for...

SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateJun 5, 2023

Simultaneous multi-material embedded printing for 3D heterogeneous structures

Researchers developed a novel printing method that controls the precise deposition of bioink in embedding medium, achieving accurate and homogeneous structures. The method enables the creation of complex three-dimensional structures with multiple materials, which has potential applications in manufacturing heterogeneous tissue models.

SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateJun 5, 2023

New ‘designer’ titanium alloys made using 3D printing

Researchers have developed strong and ductile titanium alloys by integrating alloy and 3D-printing process designs, enabling new sustainable applications in aerospace, biomedical, and energy technologies. The breakthrough utilizes circular economy thinking to produce alloys from industrial waste and low-grade materials.

SourceRMIT University·JournalNature·TypeExperimental study·DateMay 31, 2023

Turning waste into treasure: Second-tier structure matters for regulating liquid spreading dynamics

Researchers have developed a simplified surface design that enables liquid directional steering on the same surface as conventional designs. The new surface topography features dual reentrant curvatures and microgrooves, which regulate liquids' spreading dynamics. This innovation simplifies fabrication and opens up practical applications.

SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateMay 10, 2023

‘Gluing’ soft materials without glue (video)

Scientists have discovered a universal method to bond soft materials together using electricity, eliminating the need for traditional adhesives. The new technique, called electroadhesion, uses oppositely charged materials to form strong bonds that can withstand gravity and last for years.

SourceAmerican Chemical Society·JournalACS Applied Materials & Interfaces·DateMay 3, 2023

How spheres become worms

Scientists have identified a novel mechanism of gel formation in synthetic polymers, which leads to the creation of worm-like structures. This breakthrough has significant implications for biofabrication and could lead to the development of new medical implants, contact lenses, and other applications.

SourceUniversity of Würzburg·JournalACS Nano·TypeExperimental study·DateApr 27, 2023

Assessing the accuracy of artery models

Hokkaido University researchers evaluate a material used to build model arteries, finding it suitable for medical education and surgical practice. The study also highlights the potential for improved assessment of 3D printing technology in creating highly accurate models of individual patient's artery structure.

SourceHokkaido University·JournalJournal of Vascular and Interventional Radiology·TypeExperimental study·DateApr 11, 2023

A recipe for 3D-printing food

University of Ottawa researchers Ezgi Pulatsu and Chibuike Udenigwe identified crucial factors impacting the print quality and shape complexity of edible materials produced by additive manufacturing. By optimizing these features, food quality can be improved, control increased, and printing speed enhanced.

SourceAmerican Institute of Physics·JournalPhysics of Fluids·DateMar 21, 2023

3D-printed insoles measure sole pressure directly in the shoe

A new invention by ETH Zurich researchers uses 3D printing to create customized insoles with integrated pressure sensors that can measure foot pressure during various activities. This allows for more accurate and efficient creation of custom insoles, potentially improving athletic performance and treating musculoskeletal pain.

SourceETH Zurich·JournalScientific Reports·DateMar 15, 2023

Embedding aligned nanofibrous architectures within 3D-printed polycaprolactone scaffolds for directed cellular infiltration and tissue regeneration

Scientists create hybrid composite scaffolds with aligned nanofibrous architectures to improve cell seeding efficiency, proliferation rates, and morphogenesis. The findings have potential applications in tissue repairing and regenerative medicine.

SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateMar 14, 2023

How digital twins could protect manufacturers from cyberattacks

A new cybersecurity framework uses digital twin technology, machine learning, and human expertise to detect cyberattacks in manufacturing processes. The framework analyzes continuous data streams from physical machines and their digital twins to identify irregularities and flag potential threats.

SourceNational Institute of Standards and Technology (NIST)·JournalIEEE Transactions on Automation Science and Engineering·DateFeb 23, 2023

Creating 3D objects with sound

Researchers at Max Planck Institute and Heidelberg University have developed a technology to assemble matter in 3D using sound waves. They successfully printed microparticles, gel beads, and biological cells into three-dimensional shapes, paving the way for novel 3D cell culture techniques.

SourceMax-Planck-Gesellschaft·JournalScience Advances·TypeExperimental study·DateFeb 13, 2023

Fiber sensing scientists invent 3D printed fiber microprobe for measuring in vivo biomechanical properties of tissue and even single cell

Researchers at Shenzhen University have developed a compact fiber optical nanomechanical probe (FONP) to measure in vivo biomechanical properties of tissue and even single cells. The high-precision mechanical sensing system enables accurate measurements with spring constants as low as 2.1 nanonewtons.

SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateFeb 10, 2023

Bite this! Mosquito feeding chamber uses fake skin, real blood

Rice University researchers have developed an innovative system to study mosquito feeding behavior using fake skin made with a 3D printer, eliminating the need for live volunteers. The system was tested on various mosquito repellents and showed promising results, suggesting it could be scaled up for future studies.

SourceRice University·JournalFrontiers in Bioengineering and Biotechnology·TypeExperimental study·DateFeb 9, 2023

CU research team moves one step closer to printing models of life-like 3D organs

A CU research team has developed a method to transform medical images into incredibly detailed 3D models on the computer, which can be printed and used for surgical planning. The approach uses custom software to convert scan data into volumetric pixels, allowing for more accurate representations of human anatomy.

SourceUniversity of Colorado at Boulder·Journal3D Printing and Additive Manufacturing·DateJan 24, 2023

Novel 3D printing method to fabricate complex metal–plastic composite structures

Researchers developed a novel 3D printing technique to fabricate complex metal–plastic composite structures with arbitrarily complex shapes. The process, called MM-DLP3DP, allows for the creation of precise metal patterns and high-quality metal coatings, enabling the development of highly integrated and customizable microelectronics.

SourceWaseda University·JournalACS Applied Materials & Interfaces·TypeExperimental study·DateNov 30, 2022

NIST finds a sweet new way to print microchip patterns on curvy surfaces

Researchers have found a way to transfer precise micro Patterns onto unconventional surfaces, including curved surfaces and fibers. This technique, called REFLEX, could open up new possibilities for the development of new materials and microstructures in fields such as electronics and biomedical engineering.

SourceNational Institute of Standards and Technology (NIST)·JournalScience·TypeExperimental study·DateNov 24, 2022

Rice turns asphaltene into graphene for composites

Researchers at Rice University have successfully converted asphaltene, a byproduct of crude oil production, into turbostratic graphene using flash Joule heating. This process utilizes the existing material to create useful graphene for thermal, anti-corrosion and 3D-printing applications.

SourceRice University·JournalScience Advances·TypeExperimental study·DateNov 18, 2022

University of Virginia engineering researchers strive to match artistry of biological tissues

University of Virginia engineers develop a Minecraft-like, voxelated approach to create complicated structures comparable to human tissues and organs. They use droplets as the basic building blocks, assembling them into 3D constructs with precise location, composition, and properties.

SourceUniversity of Virginia School of Engineering and Applied Science·JournalActa Biomaterialia·TypeExperimental study·DateNov 16, 2022