Whereas the counterstain (safranin) is pink/reddish in color, the primary stain (malachite green) is green in color. Therefore, endospores will appear green in color while the vegetative cells will pink/reddish in color under the microscope. What stain is used to color the endospores? The technique routinely used to stain endosporesRead More →
When cut or damaged, the flesh of the cap and stem does not change color; bruised pores may darken slightly. (In comparison, the flesh and pore surfaces of many other Boletes stain or discolor very noticeably when cut, scraped, or bruised; some toxic varieties turn blue when bruised.) Do allRead More →
Description. Acid alcohol decolorizer is used to differentiate dyes in various staining methods such as the AFB and regressive H&E staining methods. What is the primary stain the Decolorizer and the counterstain in the acid-fast procedure? The unique ability of mycobacteria to resist decolorization by acid-alcohol is why they areRead More →
No matter how you enjoy your tea, you may end up with tea stains on your cups or glasses. Unfortunately, tea, like coffee, is acidic and leaves behind brownish stains that cling to a glass surface. Regular washing normally cannot remove the entire stain. How do you get tea stainsRead More →
A reticulocyte stain measures aggregates of residual ribosomes and mitochondria that form clumped granular material called reticulum. Reticulocytes appear as polychromatophilic cells seen on a Wright- or Wright-Giemsa-stained blood film. What is meant by a supravital stain? supravital stain. (Science: technique) A procedure in which living tissue is removed fromRead More →
Tea and Your Teeth Dentists say the brew — especially the basic black variety — can cause more stains than coffee. Herbal and white teas can wear away the outer covering of your teeth, called enamel, and cause stains, too. What kind of tea won’t stain your teeth? Teeth areRead More →
The dangerous boletus A genre , Rubroboletus, includes large Boletes with red, orange, yellow pores. All are toxic, starting with the known Bolet de satan, Rubroboletus satanas. After ingestion nausea, diarrhea and vomiting are triggered. Can you eat a blue staining bolete? Like several other red-pored boletes, it stains blueRead More →
Simple staining helps to examine or elucidate the bacterial shape, size and arrangement. It also helps us to differentiate the bacterial cells from the non-living structures. Simple staining can be useful in the preliminary study of the bacteria’s morphological characteristics. How do stains work in microbiology? Gram Staining First, crystalRead More →
The most important are the cotton stainers. Stainer bugs are between 14 and 24 mm long. They are bright red, yellow or light grey with an orange tinge depending on the species, and with black bands. … They appear when the bolls are ripening. Female lays whitish yellow eggs inRead More →
In bacterial culture specimens, it is often important to detect the presence of living bacterial cells. Staining methods such as fluorescent staining help to identify if culture cells are viable or not. What is the most important part of staining? The Gram stain is the most important staining procedure inRead More →