Gram staining was developed in the 1800s as a quick and simple procedure to distinguish between Gram positive and Gram negative bacteria. It is one of the first laboratory techniques taught to ...

Gram staining is a type of differential staining used to distinguish between Gram positive and Gram negative bacterial groups, based on inherent differences in their cell wall constituents. Stains ...

Sputum Gram stain and culture were once the gold standard of diagnosis in patients with pneumonia but have been discounted in recent years, with published sensitivity estimates ranging as low as 20% ...

In a meta-analysis examining respiratory specimen Gram stain for diagnosis of ventilator-associated pneumonia, absence of bacteria on Gram stain had a high negative predictive value, but a positive ...

Similar outcomes in patients with ventilator-associated pneumonia (VAP) suggest that antibiotics selected by Gram staining were noninferior to those based on guidelines and also significantly ...

Here’s the second installment of our series that profiles, in images and words, each and every resident of Bates’ newest academic building, Bonney Science Center, as they begin to engage with their ...