Hi Everyone,
Next week's goal is better time management. Although I finally know where I'm going with this experiment, I must find time to get it done. I thought I could finish the experiment today but didn't have time. This part of the experiment is very tedious, and I'm constantly adding and subtracting liquid in small amounts. The annoying part is that it all has to be done in one sitting, as I can only have the bacteria incubate for up to 24 hours. So I'll try again next week. On the other hand, has anyone seen TikToks about girls' drinks? Well, here's mine: on average, my drinks include a coffee (already empty), water, and some soda (healthier choice today).
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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