quality pieces. In the beginning of the carpet making century‚ only natural dyes were used to color the wool. Madder‚ as well as other wild vegetables‚ was the most important element of this dying process. "Other natural elements used to make dyes are tumeric root (light yellow)‚ pomegranate skins (darker yellow)‚ rhubarb (dark red and copper red)‚ grass or "kusa (green)‚ and kikar tree leaves (brown). These natural dyes were usually prepared in the carpet maker ’s own home" (Ruedin 1984). Presently
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making bubbles that will gives a clear picture in the end. Table 2 : the samples preparation: Marker 1 2 3 4 5 6 2μl of DNA ladder + 10μl of water 2μl of Dye+ 10μl of A 2μl of Dye+ 10μl of BamH1 A 2μl of Dye+ 10μl of Hpa1 A 2μl of Dye+ 10μl of B 2μl of Dye+ 10μl of BamH1 B 2μl of Dye+ 10μl of Hpa1 B The purpose of adding Dye is to make DNA visible and enable to sink to the bottom of slots. The DNA samples + stain are loaded into the wells at one end of the gel. A power supply is added
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Figure 47 shows an example. Because the DNA is invisible‚ the loading buffer also contains two dyes: bromophenol blue (a small dye molecule that behaves like a DNA fragment about 600 bases long) and xylene cyanol (a larger dye that acts like a DNA fragment of about 4000 bases). These dyes form lines that give you an idea of how far your DNA has moved. Some loading buffers also have a third dye‚ behaving like a very small DNA molecule (50 bases or so). As the DNA migrates‚ the different
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Group No. 10 Date Started: June 11‚ 2013 Tongco‚ Val Justin DM. Date Finished: June 18‚ 2013 Santos‚ Erickson S. Vasquez‚ Jona Candace P. Wong‚ Victor Lorenzo E. Experiment 1 Use of Micropipettor and Spectrophotometer Introduction In scientific experiments‚ correct measurements are required to achieve precise and accurate data. Precision is the degree to which several measurements provide answers very close to each other. Accuracy describes the nearness of a measurement to the
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Living in the 1700’s Living in the 1700’s was harder than living today‚People could die simply from a head cold. If people were deciding what to wear‚ they would have to think about their role. They would also have to think about the colors they wore because it mattered. Life was rough due to lack of technology and medicines. For the puritans (a group of people who wanted to “purify” the church of england from its catholic practices) there was a list of clothing they needed depending on what their
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http://upload.wikimedia.org/wikipedia/commons/2/2e/Gonococcal_urethritis_PHIL_4085_lores.jpg 5. Explain the principle of capsule staining using both a basic and acidic dye. (5 marks) Capsule staining with basic dye is basically to stain the bacterial cells within the capsule without staining the outer part. Capsule staining with acidic dye is to stain
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it before.. It can be expensive to buy at stores‚ but it’s very easy to make and costs nothing to make it at home‚ and I’m going to show you how to make it today. The materials you will need are: 1/2 cup salt 1/2 cup water 1 cup flour food dye (any color‚ be creative!) Step 1: Find a medium sized bowl for mixing‚ and if you’re working with kids‚ I would suggest covering the space you’re working on. Step 2: Measure out 1 cup of four‚ and pour it into the bowl. Then‚ measure out 1/2
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I’ve always wanted to dye my hair fun colors. My older sister Kayla used to dye her hair colors when she was in high school so I wanted to do it too. At the school I used to go to‚ you could not have any unnatural hair color‚ I couldn’t wait to get into high school so I could dye my hair. I asked and asked my parents for weeks over the summer if and when I could dye my hair. After a very long time of asking‚ they finally said I could. Since I didn’t want to be too expensive and go to a salon‚ I went
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Theories of Staining Techniques Staining bacteria with different dyes via staining techniques‚ allows in distinguishing the microorganism from its backgrounds. Also‚ helps in studying different internal structures such as vacuoles‚ cell walls and spores in details (Seeley and others 1991). Some staining techniques such as Gram staining‚ endospore stain and capsule stain are some of the theories of stains used in bacteriology today. Also‚ these staining procedures help in determining properties
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location where transportation of the specimen to the lab is involved Exercise 2: Simple stains Define acidic and basic dyes. What is the purpose of each? Acidic dye also recognized as a negative stain‚ is defined as a negatively charged dye‚ containing single or extra acidic clusters‚ like a sulfur collection. On the other hand‚ basic dye is a positively charged dye which is typically synthetic and reacting with negatively charged atoms What is the purpose of fixing a slide that is to be
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