3D Printing and Its Impact on the Production of Fully Functional Components: Emerging Research and Opportunities (Advances in Chemical and Materials Engineering)

Manufacturing processes have undergone significant developments in recent years. With the application of new technology, the productivity of companies has increased tremendously.

3D Printing and Its Impact on the Production of Fully Functional Components: Emerging Research and Opportunities is an innovative source of scholarly research on the advancements of 3D printing technology in modern manufacturing processes. Highlighting critical perspectives on topics such as industrial applications, 3D modeling, and bioprinting, this publication is ideally designed for professionals, academics, engineers, students, and practitioners interested in the latest trends in additive manufacturing.

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Additive Manufacturing of Metals: The Technology, Materials, Design and Production (Springer Series in Advanced Manufacturing)

This book offers a unique guide to the three-dimensional (3D) printing of metals. It covers various aspects of additive, subtractive, and joining processes used to form three-dimensional parts with applications ranging from prototyping to production.

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Researchers devise effective method of 3D printing bacteria for materials production

Researchers in the Netherlands published a paper outlining a method of effectively 3D printing bacterial cultures for materials production and patterning.

The paper, authored by Benjamin A. E. Lehner, Dominik T. Schmieden, and Anne S. Meyer, describes the need for more sustainable materials production in society.

Many bacteria can carry out advanced chemical reactions to produce materials such as amyloid-based adhesives and a variety of bioplastics. However, current microbial production techniques can’t produce bespoke material structures in a reliable way.


A solution devised by the team involves coupling bacterial materials production with 3D printing technology.

They used a modified, inexpensive, $300 USD commercial 3D printer, with the heater removed from the print-head, replaced with syringe with liquid bacteria and a syringe pump to control output.


Bacterial 3D printing system. (A) Overview of all bioprinter components. 1: syringe pump, 2: syringe filled with bioink, 3: extruder holder, 4: one of three step-motors for positioning, 5: breadboard and hardware of the printer, 6: frame of the printer. (B) Detailed view of the modified extruder. 3a: active pipet tip, 3b: secondary pipet tip for layering materials, 3c: tubing system.

The researchers explained that this alteration “allows the liquid biological ink (“bioink”) to be transported under ambient temperatures that are amenable to microbes, rather than the elevated temperatures that are applied to melt plastic filament.”

Live bacteria, when mixed with a polymer called alginate, solidifies when it touches calcium ions.

“Our printing platform uses a modified commercially available 3D printer to extrude a mixture of bacteria and alginate that solidifies into a gel upon contact with a calcium chloride-treated printing surface,” the researchers said in their report.

Survival and metabolic activity of the printed bacteria were two key factors in the demonstration of the applicability of the devised printing system.

E. coli containing the rhamnose-inducible red fluorescent protein RFP were printed onto an agar plate containing the rhamnose inducer. The gel was then incubated and monitored over a two-day period. After 8 hours of incubation the induced bioink turned red, and the color intensified after 48 hours of incubation.

“This experiment demonstrates that our printed bioink is able to support the production of bacterially made materials over short periods of time,” the researchers said.


Benjamin A. E. Lehner , Dominik T. Schmieden, and Anne S. Meyer, (2017) “A Straightforward Approach for 3D Bacterial Printing”, ACS Synth. Biol., DOI: 10.1021/acssynbio.6b00395