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  2. Gram stain - Wikipedia

    en.wikipedia.org/wiki/Gram_stain

    A Gram stain of mixed Staphylococcus aureus (S. aureus ATCC 25923, gram-positive cocci, in purple) and Escherichia coli (E. coli ATCC 11775, gram-negative bacilli, in red), the most common Gram stain reference bacteria. Gram stain (Gram staining or Gram's method), is a method of staining used to classify bacterial species into two large groups ...

  3. Gram-positive bacteria - Wikipedia

    en.wikipedia.org/wiki/Gram-positive_bacteria

    The Gram stain is used by microbiologists to place bacteria into two main categories, Gram-positive (+) and Gram-negative (-). Gram-positive bacteria have a thick layer of peptidoglycan within the cell wall, and Gram-negative bacteria have a thin layer of peptidoglycan. Gram-positive bacteria take up the crystal violet stain used in the test ...

  4. Group A streptococcal infection - Wikipedia

    en.wikipedia.org/wiki/Group_A_streptococcal...

    A Gram stain is performed to show Gram-positive cocci in chains. Then, the organism is cultured on blood agar . The rapid pyrrolidonyl arylamidase (PYR) test is commonly used, wherein a positive reaction confers a presumptive identification of group A beta-hemolytic streptococci if the appearance and clinical context is consistent.

  5. Differential staining - Wikipedia

    en.wikipedia.org/wiki/Differential_staining

    Differential staining is a staining process which uses more than one chemical stain. [1] Using multiple stains can better differentiate between different microorganisms or structures/cellular components of a single organism. Differential staining is used to detect abnormalities in the proportion of different white blood cells in the blood.

  6. Got Norovirus? Doctors Say This Is Exactly What You Should Now

    www.aol.com/got-norovirus-doctors-exactly-now...

    The BRAT diet (bananas, rice, applesauce and toast) can work well.Try a little food and see how you feel, then eat a little more as you can tolerate it. “Avoid aggravating GI symptoms by not ...

  7. Bacterial cellular morphologies - Wikipedia

    en.wikipedia.org/wiki/Bacterial_cellular...

    Aggregatibacter actinomycetemcomitans is a Gram-negative coccobacillus prevalent in subgingival plaques. Acinetobacter strains may grow on solid media as coccobacilli. Bordetella pertussis is a Gram-negative coccobacillus responsible for causing whooping cough. Yersinia pestis, the bacterium that causes plague, is also coccobacillus. [26]

  8. Today’s NYT ‘Strands’ Hints, Spangram and Answers for ...

    www.aol.com/today-nyt-strands-hints-spangram...

    Move over, Wordle and Connections—there's a new NYT word game in town! The New York Times' recent game, "Strands," is becoming more and more popular as another daily activity fans can find on ...

  9. Group B streptococcal infection - Wikipedia

    en.wikipedia.org/wiki/Group_B_streptococcal...

    In 2000–2001, the reported overall incidence of GBS infection in newborn babies in the UK was 0.72 per 1,000 live births, 0.47 per 1,000 for GBS-EOD and 0.25 per 1,000 for GBS-LOD. Very marked variations were observed, the incidence in Scotland was 0.42 per 1,000, whilst in Northern Ireland, it was 0.9 per 1,000 live births.

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