#micropatterns

[thelacemakerssweatshop-blog]

#micropatterns for Hazel. (at The Lacemakers Sweatshop)

[dandyesque]

The style's game these days mis trusted in internet by very beginners. So much that it awoke me. I began as a child, and now I'm... a man. So experience is here. To never speak if you don't know is a fundamental rule, alas too ften forgotten. Apart this, you can call me Mr Knowledge.

[qingzinano]

How To Do SHEATH GAS-ASSISTED ELECTROHYDRODYNAMIC DIRECT WRITING

To further improve the deposition behavior, a core-shell-shaped spinneret has been designed and in this design a sheath gas goes out from the peripheral channel to travel around the jet. The sheath gas provides an additional stretching and focusing force on the ejecting jet, which is beneficial to overcoming interference from the surrounding environment and gaining precise micropatterns. He et al. utilized sheath gas to fabricate micro/nanostructures under a lower applied voltage. With the help of the stretching force stemming from the sheath gas, the initiation voltage and sustaining voltage decrease obviously. Low applied voltage is helpful to restrain the instability of the printing process and promote the integration fabrication of micro/nanodevices. The average diameter of the micro/nanostructure decreases from 21.58 mm to 505.58 nm when the assisted gas pressure increases to 50 kPa. In addition, based on the same setup, Zheng et al. investigated the patterned deposition behavior of a charged jet. With the help of a sheath gas, the surrounding interference can be weakened and the charged jet can be free from the influence of the microstructures. Fig. 9.16 shows that precise complex micropatterns such as parallel lines and grids can be direct written with position precision to less than 5 mm.

[frontal-cortex]

HeLa cells cultured on fibronectin micropatterns advertise the French Society for Cell Biology by emulating an iconic shape.

IMAGE COURTESY OF MANUEL THÉRY, CEA

[delphinenoiztoy]

Today's #tattoo on Denise. Work In progress! #pattern by #myoshka.... #dotwork #dotworktattoo #delphinenoiztoy #blackwork #micropatterns #islamic #radial #thelacemakerssweatshop #sacredgeometry #geometry #wip

[frontal-cortex]

Microcontact Printing used to control Cardiomyocyte geometry and cellular architecture. For all Images: Sarcomeric actin labeled in green, sarcomeric alpha-actinin (Z-lines) marked in red, nucleus marked in blue

[frontal-cortex]

What regulates the actin architecture in a cell? Thery and colleagues demonstrated that the pattern of actin nucleators is all that is needed to organize F-actin filaments (yellow) into parallel bundles, as found inside the cell—no crosslinking or bundling proteins required.

Image: The location of actin nucleators are micropatterned onto a circle using deep UV lithography on a glass coverslip. Actin polymerization is then induced by applying actin monomers, profilin, and the Arp2/3 complex. A dense and branched meshwork of filaments assemble on the circle (bright yellow) while non-branched filaments grow out of the circle and form parallel bundles.

By Anne-Cécile Reymann, Manuel Théry, iRTSV

[frontal-cortex]

HeLa cell divisions on L shaped micropatterns Cells need to be round to perform mitosis, when it is finished they re-adhere on the pattern.

By Manuel Thery