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Printing 3-D graphene structures for tissue engineering

May 20, 2015 8:15 am | by Amanda Morris, Northwestern Univ. | News | Comments

Ever since single-layer graphene burst onto the science scene in 2004, the possibilities for the promising material have seemed nearly endless. With its high electrical conductivity, ability to store energy, and ultra-strong and lightweight structure, graphene has potential for many applications in electronics, energy, the environment and even medicine.

Seashell strength inspires stress tests

May 20, 2015 7:43 am | by Mike Williams, Rice Univ. | News | Comments

Mollusks got it right. They have soft innards, but their complex exteriors are engineered to...

Laser technique for self-assembly of nanostructures

May 19, 2015 8:38 am | by Swinburne Univ. of Technology | News | Comments

Researchers from Swinburne Univ. of Technology and the Univ. of Science and Technology of China...

3-D microbattery suitable for large-scale on-chip integration

May 12, 2015 8:18 am | by Rick Kubetz, Univ. of Illinois, Urbana-Champaign | News | Comments

By combining 3-D holographic lithography and 2-D photolithography, researchers from the Univ. of...

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Sounding out scaffolds for eardrum replacement

May 7, 2015 10:18 am | by Institute of Physics | News | Comments

An international team of researchers has created tiny, complex scaffolds that mimic the intricate network of collagen fibers that form the human eardrum. It is hoped the scaffolds can be used to replace eardrums when they become severely damaged, reducing the need for patients to have their own tissue used in reconstruction surgery.

Inkjet printing process for kesterite solar cells

May 6, 2015 11:33 am | by Antonia Rotger, Helmholtz-Zentrum Berlin | News | Comments

The drop-on-demand inkjet printing is a promising approach allowing patterning of materials with negligible materials waste; hence, significant reduction of raw materials cost can be achieved. Furthermore, inkjet printing can be easily adapted to a roll-to-roll process, which is suitable for large scale production.

Real-Time Process Measurement: A Sea Change in Manufacturing

April 24, 2015 8:44 am | by Chad Lieber, VP of Product Development, Prozess Technologie and Brian Sullivan, Director of Sales, Valin Corp. | Articles | Comments

In a world where most information is available in an instant, plant managers and engineers are continuously trying to find ways to improve the efficiency of processes along the manufacturing line. Analyzing these processes can be a difficult task. Until recently, days of laboratory work were often required to analyze any given sample segment or process in a manufacturing line.

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3D-printed aerogels improve energy storage

April 23, 2015 8:03 am | by Anne M. Stark, Lawrence Livermore National Laboratory | News | Comments

A new type of graphene aerogel will make for better energy storage, sensors, nanoelectronics, catalysis and separations. Lawrence Livermore National Laboratory researchers have made graphene aerogel microlattices with an engineered architecture via a 3D printing technique known as direct ink writing.

3D-printed blossoms a growing tool for ecology

April 17, 2015 10:36 am | by Michelle Ma, Univ. of Washington | News | Comments

3D printing has been used to make everything from cars to medical implants. Now, Univ. of Washington ecologists are using the technology to make artificial flowers, which they say could revolutionize our understanding of plant-pollinator interactions.

3D-Printed Optic Breakthroughs

April 16, 2015 2:20 pm | by Tim Studt | Articles | Comments

Just a few years ago, many researchers working in alternative manufacturing methods believed the basic layering technologies integral to 3D printing limited the capability of this technique to build quality optical devices and lenses. But, as rapidly evolving as these techniques are, and as broad ranging as the applications it’s infiltrating, this limitation has been surmounted by a number of research groups around the world.

Report charts a research path for improving “printed” metal parts

April 14, 2015 12:05 pm | by NIST | News | Comments

Additive manufacturing has been called a game changer. But new games require new instructions, and the manuals for a growing assortment of methods for building parts and products layer-by-layer, collectively known as "3D printing", still are works in progress. Manufacturing researchers at NIST have scoped out the missing sections in current guidelines for powder bed fusion, the chief method for "printing" metal parts.

Inkjet-printed liquid metal could bring wearable tech, soft robotics

April 8, 2015 7:40 am | by Emil Venere, Purdue Univ. | News | Comments

New research shows how inkjet-printing technology can be used to mass-produce electronic circuits made of liquid-metal alloys for "soft robots" and flexible electronics. Elastic technologies could make possible a new class of pliable robots and stretchable garments that people might wear to interact with computers or for therapeutic purposes.

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Office inkjet printer could produce simple tool to identify infectious diseases

April 7, 2015 12:03 pm | by Michelle Donovan, McMaster Univ. | News | Comments

Consumers are one step closer to benefiting from packaging that could give simple text warnings when food is contaminated with deadly pathogens like E. coli and Salmonella, and patients could soon receive real-time diagnoses of infections such as C. difficile right in their doctors' offices, saving critical time and trips to the lab.

Camera chip provides superfine 3-D resolution

April 6, 2015 8:00 am | by Jessica Stoller-Conrad, Caltech | News | Comments

Imagine you need to have an almost exact copy of an object. Now imagine that you can just pull your smartphone out of your pocket, take a snapshot with its integrated 3-D imager, send it to your 3-D printer and, within minutes, you have reproduced a replica accurate to within microns of the original object. This feat may soon be possible because of a new, tiny high-resolution 3-D imager developed at Caltech.

A call to change recycling standards as 3D printing expands

March 17, 2015 4:31 pm | by Allison Mills, Michigan Technological Univ. | News | Comments

The 3D printing revolution has changed the way we think about plastics. Everything from children’s toys to office supplies to high-value laboratory equipment can be printed. The potential savings of producing goods at the household- and lab-scale is remarkable, especially when producers use old prints and recycle them.

Researchers collaborate to develop revolutionary 3D printing technology

March 17, 2015 10:30 am | by Univ. of North Carolina, Chapel Hill | Videos | Comments

A 3D printing technology developed by Silicon Valley startup, Carbon3D Inc., enables objects to rise from a liquid media continuously rather than being built layer-by-layer as they have been for the past 25 years, representing a fundamentally new approach to 3D printing. The technology allows ready-to-use products to be made 25 to 100 times faster than other methods.

Additive manufacturing could greatly improve diabetes management

March 17, 2015 8:55 am | by David Stauth, Oregon State Univ. | News | Comments

Engineers at Oregon State Univ. have used additive manufacturing to create an improved type of glucose sensor for patients with Type 1diabetes, part of a system that should work better, cost less and be more comfortable for the patient. A key advance is use of electrohydrodynamic jet, or “e-jet” printing, to make the sensor.

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How 3-D bioprinting could address the shortage of organ donations

March 12, 2015 7:49 am | by American Chemical Society | News | Comments

Three-dimensional bioprinting has come a long way since its early days when a bioengineer replaced the ink in his desktop printer with living cells. Scientists have since successfully printed small patches of tissue. Could it someday allow us to custom-print human organs for patients in need of transplants?

3-D Printing Blasts Off

March 6, 2015 9:55 am | by Lindsay Hock, Editor | Videos | Comments

3-D printing isn’t just a commodity on Earth, it’s now also a commodity in space. In November 2014, the first 3-D printer in space created its first object, albeit self-fulfilling, a replacement faceplate for the printer’s casing that holds its internal wiring in place.

3-D printed parts to provide low-cost, custom alternatives for lab equipment

February 27, 2015 10:14 am | by Raphael Rosen, Princeton Plasma Physics Laboratory Communications | News | Comments

The 3-D printing scene, a growing favorite of do-it-yourselfers, has spread to the study of plasma physics. With a series of experiments, researchers at the Princeton Plasma Physics Laboratory have found that 3-D printers can be an important tool in laboratory environments.

3-D Printing Blasts Off, Explodes Into the Future

February 13, 2015 1:15 pm | by Lindsay Hock, Editor | Articles | Comments

In 2013, battle lines were drawn. Two stark competitors were looking to speed repairs and cut costs on parts for gas turbines. First to the drawing board was GE, who started using 3-D printing technology at its Global Research Center in Niskayuna, N.Y., to produce more than 85,000 fuel nozzles for its anticipated LEAP engine technology.

Insight into how rubber is made could improve tires, reduce air pollution

February 13, 2015 8:44 am | by American Chemical Society | News | Comments

People have been making rubber products from elastic bands to tires for centuries, but a key step in this process has remained a mystery. In a report, scientists have described this elusive part of rubber production that could have major implications for improving the material and its uses. Their findings, if used to improve tire performance, for example, could mean higher gas mileage for consumers and less air pollution.

3D printing with custom molecules creates low-cost mechanical sensor

February 10, 2015 8:03 am | by Hannah Hickey, Univ. of Washington | News | Comments

Imagine printing out molecules that can respond to their surroundings. A research project at the Univ. of Washington merges custom chemistry and 3D printing. Scientists created a bone-shaped plastic tab that turns purple under stretching, offering an easy way to record the force on an object.

Microscopic monitoring may yield big advanced in production of consumer products

February 3, 2015 12:02 pm | by James Devitt, New York Univ. | News | Comments

A team of New York Univ. physicists has developed a method to monitor the properties of microscopic particles as they grow within a chemical reaction vessel, creating new opportunities to improve the quality and consistency of a wide range of industrial and consumer products. Their work, which appears in Soft Matter, offers benefits for commodities ranging from food and pharmaceuticals to perfumes and cosmetics.

Artificial blood vessels

February 3, 2015 11:17 am | by Jason Socrates Bardi, American Institute of Physics | News | Comments

By combining micro-imprinting and electro-spinning techniques, researchers at Shanghai Univ. have developed a vascular graft composed of three layers for the first time. This tri-layered composite has allowed researchers to utilize separate materials that respectively possess mechanical strength and promote new cell growth, a significant problem for existing vascular grafts that have only consisted of a single or double layer.

Tell us your 3D printing experiences

February 3, 2015 9:13 am | by R&D Magazine Editors | News | Comments

The editors of R&D Magazine are looking for speakers to participate in a webinar on “Using Multiple Materials in 3D Printing.” Candidates are asked to give a 15-min PowerPoint-based talk over the phone on their experiences in fabricating 3D printed products using multiple materials or developing the processes and/or technologies to accomplish this.

DNA “glue” could be used to build tissues, organs

January 14, 2015 10:23 am | by American Chemical Society | News | Comments

DNA molecules provide the "source code" for life in humans, plants, animals and some microbes. But now researchers report an initial study showing that the strands can also act as a glue to hold together 3-D-printed materials that could someday be used to grow tissues and organs in the laboratory.

Evaluating Measured Topographies on Surfaces Made by Additive Manufacturing

January 14, 2015 10:05 am | by Yuqi Zeng, Kaixi Wang, Brad C. Mello, Zhijie Wang and Christopher A. Brown, Surface Metrology Laboratory, Worcester Polytechnic Institute | Articles | Comments

In all manufacturing processes there are limits to the surface topographies that can be produced. These limits can be represented in part by crossover scales. Understanding these scales is important for selecting process variables in additive manufacturing (AM). This study evaluated the measured topographies on surfaces made by an AM process for polymers.

Poll: Americans support labeling genetically modified foods

January 13, 2015 9:36 am | by By Mary Clare Jalonick - Associated Press - Associated Press | News | Comments

A large majority of Americans support labeling of genetically modified foods, whether they care about eating them or not. According to a December Associated Press-GfK poll, 66% of Americans favor requiring food manufacturers to put labels on products that contain genetically modified organisms, or foods grown from seeds engineered in labs. Only 7% are opposed to the idea, and 24% are neutral.

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