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hiPSC Differentiation to Endothelial Cell Culture Method, Brain Microvascular Endothelial Cells (EECM-BMEC-like cells), Round 1
Introduction Breakdown of the blood-brain barrier (BBB) is one of the earliest signs of sepsis and is linked with long-term cognitive impairment. As animal models poorly recapitulate human sepsis, alternative approaches are direly needed to understand sepsis-associated brain injury and develop strategies that protect against cognitive decline. To fill this gap, we are developing a…
YAP/TAZ Passage One Staining
After reading and discussing a paper in journal club that talked about cells having a “mechanical memory” (found here “Mechanical memory and dosing influence stem cell fate“), we decided to replicate our previous YAP/TAZ experiments with passage one HUVECs direct from Life Technologies as to avoid making our cells “remember” that they had ever been plated…
Ar sputt. 15 nm temperature series
Recently, I have been exploring the temperature dependence of post-Si deposition Ar sputtered films (15 nm thick). Below is a comparison of the average pore size, porosity, and density of pores of Ar and non-Ar sputtered films annealed between 800 C and 1100 C. It appears that Ar sputtering increases the avg. diameter and porosity…
Burst Pressure Vs. Temperature of Deposition
Dave deposited a series of wafers last week at different temperatures. SC 166 -SC 173 were deposited between RT and 300C. These wafers had Jess’ E.O mask pattern ( circular sepcon) with single , 3,6 and 9 squares. The wafers were mostly pinhole free.In order to determine if deposition temperature affected the nature/ strength of…
New Diffusion-Based Separations
Two simple diffusion separations were performed before break using membranes from wafers 205 and 213 (locations unknown as these were salvaged/misplaced chips). I ran the samples I collected on a 10% SDS-PAGE gel today. It seems that the membranes were able to separate the standards at two different cutoffs. The missing band in the middle…
More excitement on o-ring position and transport
In my last post, I concluded that switching the o-ring position from below the membrane to the top in the sepcon produced no leaks. The reason for this switch was to reduce the 1mm “dead-space” (created by the o-ring) that adds to the unstirred water layer (UWL). The next thing that Barrett and I looked…
