what is the difference between a simple stain and a differential stain?
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A differential stain is a specific type of staining that allows for microbe identification, and distinguishing between cells in a mixed sample. This is very different from simple staining techniques that simply add color and contrast to a slide. Simple staining involves adding a basic, cationic dye to the organism.
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Both oils and stains have their own distinct advantages. Essentially, what differentiates oils from stains is that a stain will improve the appearance of the deck by changing the timber colour; while an oil will enhance the current colour if you are wanting to leave your wood as is.
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A solid stain will better accentuate the texture of the wood, so a rough surface likely calls for stain over paint. The disadvantage here is that solid stains are very flat and thus are typically less durable than paint. ... Paint, on the other hand, is a much thicker film that solid stain.
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Gram staining is a common technique used to differentiate two large groups of bacteria based on their different cell wall constituents. ... Gram positive bacteria stain violet due to the presence of a thick layer of peptidoglycan in their cell walls, which retains the crystal violet these cells are stained with.
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Acid-based concrete stains, also known as chem or reactive dyes, contain small amounts of metallic salts and hydrochloric acid used for coloring. ... On the other hand, water based concrete stain is generally non-reactive and only involves acetone or water, which are mixed with polymers and pigment to create the colors.
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The key difference between simple and complex tissue is, simple tissue is made up of only one type or kind of cell whereas complex tissue is made up of different type of cells. A simple tissue in animals is termed epithelium whereas epidermis in plants. Example muscle tissue. ... Example blood tissue.
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A basic dye is a stain that is cationic (positively charged) and will therefore react with material that is negatively charged. The cytoplasm of all bacterial cells have a slight negative charge whengrowing in a medium of near neutral pH and will therefore attract and bind with basic dyes.
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In a simple staining technique, a positively charged stain colors the negatively charged cells, making them stand out against the light background. ... In a negative staining technique, a negatively charged stain colors the background, leaving the cells light colored and unstained.
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Acid fast stains are used to differentiate acid fast organisms such mycobacteria. Acid fast bacteria have a high content of mycolic acids in their cell walls. Acid fast bacteria will be red, while nonacid fast bacteria will stain blue/green with the counterstain with the Kinyoun stain.
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The key difference between simple and complex tissue is, simple tissue is made up of only one type or kind of cell whereas complex tissue is made up of different type of cells. A simple tissue in animals is termed epithelium whereas epidermis in plants. Example muscle tissue.
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What is the difference between contrast media and dyes? Contrast media is used for radiographic study; dyes are used to color, stain, or mark tissue. ... Once the isosulfan blue is injected into the breast tissue, the lymphatic system carries it to the axillary lymph nodes.
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Simple stain uses 1 dye to increase contrast of cells. A simple stain determines size, shape, and arrangement of cells but cannot differentiate between types of bacteria. A differential stain uses 2 or more dyes to differentiate between organisms or between cell structures.
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Simply put, contrast is the difference between two colors.
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The automated instruments count 32,000 white blood cells and statistically provide a more accurate differential count than a manual differential. All differentials will be analyzed on the instrument first. If the results fail the screening criteria, a manual differential will be performed.
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A simple stain will generally make all of the organisms in a sample appear to be the same color, even if the sample contains more than one type of organism. In contrast, differential staining distinguishes organisms based on their interactions with multiple stains.
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Quartz is stain-resistant, while Dekton is stainproof. Quartz is vulnerable to heat; Dekton is not. Quartz often becomes discolored when exposed to the sun, whereas Dekton is UV-proof. Quartz shouldn't chip, while Dekton is known to be vulnerable to chips and even splitting.
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Looking at the structure and the process, the only difference in two color dk vs two color brioche is that the double knit hides the not-worked color between layers, and brioche makes the non-worked yarn longer In the current row, then knits it as part of the stitch in the prior row, such that the knit is loose enough ...