
Gram-positive bacteria are the genus of bacteria family and a member of the phylum Firmicutes. These bacteria retain the colour of the crystal violet stain which is used during gram staining.
Gram-positive bacteria are the genus of bacteria family and a member of the phylum Firmicutes. These bacteria retain the colour of the crystal violet stain which is used during gram staining.
One of the ways I protect paraffin slides is to dip in hot paraffin and store at 4 degrees C in a air tight box. Certain antigens can degrade within 30 days, especially estrogen and progesterone.
Unstained paraffin sections offer very low contrast and therefore cannot be evaluated microscopically in routine histopathology. It is necessary to apply coloring reagents (mostly chemicals) to stain tissue structures.
The objective of this step is to cut 4–5 Mm-thick sections from paraffin blocks. This is achieved using precision knives (microtomes) .
Once tissue samples are infiltrated by paraffin, they are removed from the cassettes and carefully positioned inside a metal base mold
After fixation, tissue samples need to be properly trimmed to reach the adequate size and orientation of the tissue.
Urine culture results should be interpreted in conjunction with clinical symptoms of urinary tract infection (UTI), such as dysuria, urinary frequency, suprapubic pain, flank pain, and fever.
A urine culture is a test that can detect bacteria in your urine. This test can find and identify the germs that cause a urinary tract infection (UTI). Bacteria, which typically cause UTIs, can enter the urinary tract through the urethra.
The discs-diffusion test is based on the fact that for a given antibiotic, the size of the zone inhibition is inversely related to MIC (determined by dilution method) of the strain being tested when the test conditions are held constant.
Uric acid is the end product of purine metabolism. Uric acid is excreted to a large degree by the kidneys and to a smaller degree in the intestinal tract by microbial degradation.
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