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Engineers repurpose a mosquito proboscis to create a 3D printing nozzle

https://techxplore.com/news/2025-11-repurpose-mosquito-proboscis-3d-nozzle.html
30•T-A•4d ago

Comments

backprop1989•4d ago
Calling it a necroprinter is equal parts ominous and spectacular.
metalman•3d ago
hopefully the name will stick, as it realy is ,,ominous and spectacular ,,and will get people thinking about what might come next
kragen•17m ago
They say the mosquito proboscis has a 20 μm inner diameter, "100% finer" than commercial alternatives (presumably meaning half the diameter). Not having read the paper, I'm guessing it can't handle 210° molten PLA.
nbadg•1m ago
From TFA, they're using it to print bioinks. Think scaffolding for cell cultures.

At these kinds of physical scales, biology is almost certainly a much larger market than mechanical applications. A 20 um line width (slightly less than one thou for US folks) is certainly a tolerance you might encounter on a drawing for subtractive manufacturing, but for addative, feature sizes that small will be strength limited.

denkmoon•58s ago
"They mounted the mosquito proboscis on a standard dispensing tip and used it to deposit specialized bioinks.", "They then successfully printed bioscaffolds used to support cell growth and high-resolution microstructures".

Tissue-printing type stuff, not plastic

PetitPrince•51s ago
From the paper:

> The ink used for the proof of extrusion demonstration is a ready-to-use, polyethylene oxide–based training bioink purchased and used directly from the vendor (Cellink Start, Cellink)

> The ink used for the honeycomb demonstration and the maple leaf demonstration is a sacrificial, temperature-sensitive, 40% (w/v) Pluronic F-127 in deionized water bioink purchased and used directly from the vendor (Pluronic F-127, Allevi).

> The ink used for the first cell-laden grid demonstration is Pluronic F-127 bioink with B16 cancer cells suspended in solution.

> The ink used for the second cell-laden grid demonstration is Pluronic F-127 bioink embedded with RBCs.

> The ink used for the cell viability experiments is Pluronic F-127 bioink with B16 cancer cells suspended in solution.

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Engineers repurpose a mosquito proboscis to create a 3D printing nozzle

https://techxplore.com/news/2025-11-repurpose-mosquito-proboscis-3d-nozzle.html
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