Category: NRG

Two 4-Hour HD results

We’ve completed two successful 4-hour small animal hemodialysis experiments. I’ve also analysed the serum from all previous experiments. This graph shows only the recently analysed serum and doesn’t include the previously analyzed data. I’ll give a more detailed analysis of

Posted in NRG

New Track Etched Separation Data and Model

I’ve been working hard on my model paper for a few months now. My first attempt at doing separations with Track Etched (TE) membranes, which are all 6um thick and come in pore sizes of either 30 nm or 50 nm,

Posted in NRG

Focal Adhesion Formation on PDMS Substrates

Background Focal adhesions occur in 2D cell cultures as substrates apply large forces on cells. Previous experiments showed that focal adhesions formed on TCP and on non-porous SiO2 membranes but that less formed on 3.0µm-pore SiO2 porous membranes and even

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Nanomembrane Vapor Transfer Stability Mechanism Brainstorming

We have previously observed some interesting transfer characteristics of our nanomembranes, using water vapor (breath) to delaminate and adhere them to glass and silicon nitride surfaces. Some membrane transfers do not appear to be stable (fragments or floats away when

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Nair, R. R., et al. (2012). “Unimpeded permeation of water through helium-leak-tight graphene-based membranes.” Science 335(6067): 442-444.

Nair(Geim)Science12 Supplement Laminates of GO from 0.1 to 10 um thick on copper foil with an etched hole of 1 cm. Casually mentions >1.5 psi applied to materials < 1 um thick over 1 cm diameter hole. This seems to

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Crystal Growth inside Nanopores

Please see the attachment: Crystal Growth inside Nanopores

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New clamping bolts and protocol changes achieves 4-hour Dialysis…

In order to prevent membrane breaking, I rebored the acrylic plates for larger bolts and added compression springs to regulate the clamping force on the chips. I also flushed the devices at the vivarium where the animal experiments take place. There

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Gap Junction Formation Across SiO2 Nanomembranes

Background The purpose of this experiment is to investigate the formation of gap junctions between co-cultured HUVEC and ADSC across SiO2 membranes. Gap junctions are specialized intercellular connections through which nutrients and small molecules can be transported. HUVEC will be stained with CFDA (green) and ADSC will be stained

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Imidazole functionalized graphene oxide/PEBAX mixed matrix membranes for efficient CO2 capture

SEPPUR-D-16-00198 Abstract Mixed matrix membranes (MMMs) were composed of imidazole functionalized graphene oxide (ImGO), a CO2-philic nano-sheet inorganic material, and poly(ether-b-amide) (PEBAX) for CO2 capture. MMM doped with 0.8 wt.% ImGO exhibits the best CO2 separation performance, which shows the

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The Sieving Coefficient for Our Membranes is Time-Dependent (modeling post)

We’ve known for some time that the sieving coefficient of our membranes changes over time. The reason for this is that at the start of the separation the concentration just above the membrane is the same as the bulk concentration, but as more

Posted in NRG
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