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AFM of pnc-Si and alumina coated membranes
I’ve been working with the AFM recently and have had some success getting images on supported pnc-Si films. Yesterday, I imaged three samples from sc 698: one untreated pnc-Si film and two films coated with aluminum oxide (1.5 nm and 5 nm thickness). Here are the scans (500 nm x 500 nm). The topmost scan…
Stir Cell KMnO4 Diffusion Curves: strange and interesting
ByJimI got three pinhole-free membranes from Karl after the inspection. They are from wafer#612. Locations are (-3, 1), (-3, 2), and (-3, 3). I used the UV/Ozone machine to oxidize and charge two of them while leaving the third one as a control. The protocol of UV/Ozone treatment was followed. The stir cell was set…
LPS Pipettor Repair On-Site Reminder
ByJimWHERE: URMC ** Room # 4-7545 ** WHEN: Tuesday April 16th & Wednesday the 17th. TIME: 9:00-4:00 P.M. Please drop off your pipettors early as we expect a good turnout. Pipettors will be done on a first come, first served basis. Thank you!
RIE Etching Si3N4 to Make Freestanding MgF2 Nanomembranes
Poor English Paper used as a starting point: Silicon Nitride Etch Rate paper This is a continuation of the work I’ve done, attempting to make freestanding MgF2 nanomembranes (theory and deposition) using a Silicon Nitride nanoporous substrate. I originally wanted to use hot phosphoric acid to remove the Si3N4, but since we do not have that…
f-BSA adsorption on Functionalized pnc-Si (Shestopalov Lab)
Katia in Dr. Shestopalov’s Lab functionalized some pnc-Si windowless chips. The process she follows is shown in Figure 1. She provided chips at various stages of the process. “Grignard”, “Diazirine”, and “PEG”. After functionalization, the chips were wetted with 20 µL of 1:1 pbs then 40 µL of 5 mg/mL f-BSA was added. The…
Change in Pore Image Processor
Yesterday I found a bug in the pore image processor. The “i” hotkey is supposed to save the current image, but it wasn’t working. I contacted Mike Bindschadler and he fixed it. The updated version can be found here. The only change is in the “pore_processing_gui_call” .m file. Happy processing!