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Red

red

Of or relating to a firm or the operations of a firm that are deemed unprofitable. The term derives from the color of ink used to show losses on financial statements. Compare black.
References in periodicals archive ?
Congo red stain may not show positivity, or the expected apple green birefringence may be very difficult to demonstrate due to the small quantities of amyloid present.
Cerebral amyloid angiopathy can be differentiated from CADASIL because it presents in older individuals, and staining with Congo red is negative in the latter condition.
This dye, which only later became known as Congo red, was the first of many so-called direct dyes.
Calcofluor and Congo Red were tested as staining fluorescent chemical markers in 29 wild individuals with a body weight between 212 g and 6,000 g (Table 2).
Microscopically, there were amyloid deposits within the walls of both atria (confirmed by Congo red stains), but these deposits were much more prominent within the left atrial wall (Figure 2).
These nodules stain positive with PAS but do not show any reactivity with silver or Congo red dyes.
Under polarized light, Congo red staining showed the characteristic apple-green birefringence of amyloidosis.
solani with 80 [micro]M lebbeckalysin for 4h, Congo red or SYTOX green was added a final concentration of 50 and 5 [micro]M, respectively.
The Congo red and yeast mixture must be boiled for a short time and then cooled to room temperature.
Congo red stains of the bone marrow biopsy and of the aspirate of abdominal wall fat were negative for amyloidosis.