Hi Everyone! We did it! This week was the last week of TRAIN. I spent most of this week finishing the third exam and preparing for finals week. There were a few issues with grades in 2 of my classes, which was a little stressful, but are fixed now. I was fortunate enough to watch some of the TRAIN presentations this year despite having a lab final and having to go to work. I hope everyone had a great semester and I can't wait to be back next semester.
Also, I lost my computer charger so I've been piggy backing off of other chargers. So here a picture of my charger port.
On Tuesday, I plated E. Coli and tested the effectiveness of 4 samples to kill the bacteria. The sample included , Aloe Vera gel (store bought), Windex, Tap water, and 70% Isopropyl Alcohol. This experiment was pretty much used to keep me busy as I haven't yet been able to start a project. However when I came in Wednesday, I found some interesting results. The zone of inhibition was basically 0 for every sample, including the isopropyl alcohol. Although the tap water, being the control, and the Windex doesn't jump out as a surprise to me, the 70% Alcohol does. Originally I had two hypothesis's on why this occurred. One being that because E. Coli is a gut bacteria and therefore is built to withstand alcohol. The second theory suggest user error such as the letting the alcohol evaporate to much before I was able to put the disk on the plate. Because of the results on Wednesday and with the first hypothesis in mind, I chose to do another plate instead with Staphylococcus. I ch...
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