Hi everyone! It's week two, and I am already late on my blog post (smh). This semester feels like a lot of things to juggle, but I believe that I got it. Last semester, I did well at completing assignments on time, so I plan to work on that this semester as well. Aside from that, I had limited time in the lab. The first 2-3 weeks are always the deadest in TRAIN. I'm waiting on a single item, which I hope will arrive soon, and then I can start my project. I don't have any lab picture this week so I hope you all enjoy picutre of my dog in the car.
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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