Capsule stain is a type of differential stain which uses acidic and basic dyes to stain background & bacterial cells respectively so that presence of capsule is easily visualized. Gram staining study play gram stain differential stain -very useful for identifying and classifying bacteria as either gram negative or gram positive-primary stain-mordant-decolorizing agent secondary stain or counterstain primary stain crystal violet. Gram stain is not a simple stain because simple stains do not use two or more stains gram stain is a differential stain differentiating between gram positive (blue-black) and gram negative (pink-red. Store-bought stain removers most often use solvents that dissolve other molecules to remove stains alcohol is an example of a popular solvent used in commercial stain removers alcohol is an example of a popular solvent used in commercial stain removers. Gram stain lab purpose: by following the gram stain procedure i will determine which type(s) conclusion: explain how it went, what you observed, what you learned be sure to include what type of bacteria you had, and how you identified them title: gram stain lab author: jnett.
The best laundry stain removers reviews in 2018 last updated: february 15, 2018 home & kitchen , reviews there are a lot of ways to get stains out of your clothes, but some of the best come in the form of commercial laundry stain removers. These hardwoods accept stain very well, and don't benefit much from the use of a sealer conclusion your diy home improvement project may require the use of stained plywood. The endospore stain endospore production is a very important characteristic of some bacteria, allowing them to resist adverse environmental conditions such as desiccation, chemical exposure, extreme heat, etc they were identified in the 1800s (j ohn tyndall developed a.
Stain removal is the process of removing a mark or spot left by one substance on a specific surface like a fabric a solvent or detergent is generally used to conduct stain removal and many of these are available over the counter. This is a gram stain if the technique was proper, the red rods are gram-negative and the purple cocci are gram-positive this staining technique is used to help identify various bacteria. Conclusion gram staining gram staining experiment conducted on 9/29/2013 introduction: the gram stain is a useful stain for identifying and classifying bacteria the gram stain is a differential stain that allows you to classify bacteria as either gram positive or gram negative this gram stain technique was discovered by hans christina gram in 1884.
Teeth are naturally white or off-white in color, but build-up from foods and drinks such as coffee and tea over time can stain the white color and turn teeth yellowish and discolored in this experiment, we'll use egg shells in order to explore how teeth are stained by drinking coffee, tea, and cola. Lab 2: staining and streaking protocols for simple stain, gram stain, streak plate technique and culture maintenance lab 2a: introduction to staining live specimens are difficult to see with the bright field microscope. The main purpose of capsule stain is to distinguish capsular material from the bacterial cell a capsule is a gelatinous outer layer secreted by bacterial cell and that surrounds and adheres to the cell wall most capsules are composed of polysaccharides, but some are composed of polypeptides.
In the endospore stain experiment (table 2), a slide of bacillus cereus was observed under 1000x magnification using oil immersion the bacillus cereus organism appeared as red rod-shaped chains of cells, measuring 5 um long and 1 um wide. Conclusion the problem question was ,” what liquid causes the most stains and damage to your teeth ” the hypothesis is “if an egg is put into water, red b ull , coffee, and c oke , that coke will stain and damage it the most because it has the most sugar. Conclusion the hypothesis can be supported and that simple stains only stain simple bacteria and do not differentiate between different bacteria the simple staining is used to add contrast to the microorganism so it brings it out more under the microscope. Be sensitive to a color change in the area around the stain, otherwise this can be repeated until every trace of the stain is gone peroxide is used by applying and waiting, sometimes repeatedly peroxide is a bleach, although a mild one, so test first on an inside seam.
Because stain survived, and they saved a life, they would probably have very lenient sentences, along with fame and acclaim for taking him down however, they would have a permanent crime record, a crime that is relatively serious in their society. A the gram stain discussion the gram stain is the most widely used staining procedure in bacteriology it is called a differential stain since it differentiates between gram-positive and gram-negative bacteriabacteria that stain purple with the gram staining procedure are termed gram-positive those that stain pink are said to be gram-negative. Deck stain is designed to protect objects used outside from ultraviolet rays, pests, and high humidity when store shelves are filled with a vast variety of deck stains, you have to pay special attention to their selection and application.