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Volume 85 Issue 50 | p. 7 | News of The Week
Issue Date: December 10, 2007

Rolling Out The Oil

Chemistry and microstructure together repel organic liquids
Department: Science & Technology
A droplet of hexadecane bounces on a surface etched with nanoscale pillars and troughs. Water, a liquid with high surface tension, has been captured bouncing in this way countless times before, but a low-surface-tension liquid such as hexadecane had never been before.
Credit: Video courtesy of Anish Tuteja/Wonjae Choi
Scanning electron microscope image showing oil-repellent microfibers.
Credit: Courtesy of Anish Tuteja/Wonjae Choi
8550notw1_espuncxd
 
Scanning electron microscope image showing oil-repellent microfibers.
Credit: Courtesy of Anish Tuteja/Wonjae Choi
An oil-repellent microfiber cloak applied to a lotus leaf lets droplets of hexadecane colored with a red dye bead up.
Credit: Courtesy of Anish Tuteja/Wonjae Choi
8550notw1_leafcxd
 
An oil-repellent microfiber cloak applied to a lotus leaf lets droplets of hexadecane colored with a red dye bead up.
Credit: Courtesy of Anish Tuteja/Wonjae Choi

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Chemical & Engineering News
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