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Nanoengineered Superhydrophobic Aluminium Surface For Anti-Corrosion An aluminum substrate is provided with a superhydrophobic surface structure that comprises a porous alumina layer having a hydrophobic coating. The porous alumina layer is created on the aluminum substrate by an anodizing process, and is engineered such that the thickness of the alumina layer and the diameters of the pores have nanoscale values. The... Published: 4/26/2021   |   Inventor(s): Chanyoung Jeong, Chang-Hwan Choi Keywords(s):   Category(s): Materials / Manufacturing & Processes

Tunable Two-Mirror Interference Lithography System Background:Laser interference lithography has been widely used as an effective and inexpensive technique for the fabrication of uniform nanopatterns and photonic materials on substrates. There are various geometrical configurations of interference lithography (IL) systems, the two major system configurations being the Lloyd's mirror interferometer and... Published: 4/26/2021   |   Inventor(s): Weidong Mao, Ishan Wathuthanthri, Chang-Hwan Choi Keywords(s):   Category(s): Materials / Manufacturing & Processes

Marangoni Stress-Driven Droplet Manipulation On Smart Polymers For Ultra-Low Voltage Digital Microfluidics An ultra-low voltage microfluidic device for manipulating droplets of liquid by inducing Marangoni stress therein includes a plurality of smart-polymer electrodes having films of smart polymer exposed at their surfaces. The surface of the smart polymer becomes hydrophobic or hydrophilic in response to different electromagnetic potentials. The smart... Published: 4/26/2021   |   Inventor(s): Eui-Hyeok Yang, Yao-Tsan Tsai, Chang-Hwan Choi Keywords(s):   Category(s): Sensing Devices / Technology

Microfluidic-Based Cell-Culturing Platform A microfluidic-based platform with cultured three-dimensional tissues simulates major human physiological systems for rapid evaluation of individual drugs prior to clinical testing or for personalized medical applications. The platform integrates the circulatory and lymphatic systems in a physiologically correct manner. The physiological systems may... Published: 4/26/2021   |   Inventor(s): Peter Tolias, Woo Young Lee, Arthur Ritter, Xiaojun Yu, Hongjun Wang, Henry Du, Chang-Hwan Choi, Wenting Zhang, Yexin Gu Keywords(s):   Category(s): Bio Technology (Rx, dev's, sys)