crystal violet उदाहरण वाक्य
उदाहरण वाक्य
- The Chlamydiaceae and Mycoplasmataceae lack a peptidoglycan layer so do not retain crystal violet or safranin, resulting in no color.
- Transformation between leuco and colored form of crystal violet lactone in response to varying acidity, which is caused by changing temperature
- On crystal violet agar it may produce white ( positive, E type ) colonies or blue ( negative, D type ) colonies.
- Other methods of staining are available; examples are SYBR Green, GelRed, methylene blue, brilliant cresyl blue, Nile blue sulphate, and crystal violet.
- Gram-positive bacteria take up the crystal violet stain used in the test, and then appear to be purple-coloured when seen through a microscope.
- In a lab where I'm an intern, we perform crystal violet staining of cells for subsequent assessment of cell-growth inhibition of certain compounds.
- Gram-positive bacteria have a thick peptidoglycan layer in their cell wall, which retains the crystal violet during Gram staining, resulting in a purple color.
- Crystal violet itself was first synthesized in 1883 by Alfred Kern ( 1850 1893 ) working in Basel at the firm of Bindschedler and Busch.
- Gram-negative bacteria have a thin peptidoglycan layer which does not retain the crystal violet, so when safranin is added during the process, they stain red.
- "' Gram-negative bacteria "'are a group of bacteria that do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation.