SpletThis can be characterized through the contact angle of a droplet with the surface of PDMS, these variations in the hydrophobicty of PDMS is essential in different applications, such as in cell culture, self-cleaning of the device and others [2]. ... contact angle of an ideal surface and f is the fraction of solid surface area wet by the liquid ... Splet01. mar. 2024 · As shown in Table 2, contact angle values for untreated PMMA (θ = 71.58°) and PDMS (θ = 109.84°) were in good agreement with literature reports (θ PMMA ~ 68°–76°, θ PDMS ~ 90°–110°) 26, 52,...
Optimization of corona-triggered PDMS-PDMS bonding method
Splet07. sep. 2024 · The mean values of the contact angles for DI water and α -bromonaphthalene are 109.1° and 42.7°, respectively ( Figs. 4a and 4b ). By applying Eq. … Splet24. apr. 2024 · The fabrication of devices using PDMS soft lithography is simpler, cheaper, and less time consuming than other competing techniques (e.g., silicon and plastic … christopher hs gilroy
Dynamic contact angle model for resolving low-viscosity droplet ...
Splet24. dec. 2024 · a Schematic of PDMS-coated glass by PDMS stamp.b Image of patterned droplet on PDMS coated glass.c Contact angle of droplet vs. time after PDMS stamping.d SEM image of contact line of evaporated droplet with 100 nm, 500 nm, and 1 µm beads on PDMS-coated glass. AFM image of e PDMS coated area on glass and f non-coated glass. … Splet16. sep. 2024 · Many of the applications of the most familiar silicone polymer, polydimethylsiloxane (PDMS), are a consequence of its hydrophobic nature. The key … SpletContact angle hysteresis is addressed from two perspectives. The first is an analysis of the events that occur during motion of droplets on superhydrophobic surfaces. ... (PDMS - commercial silicone oils) in disposable glass vessels is described. This treatment renders silicon / silica surfaces that contain covalently attached PDMS chains. The ... christopher h. snider