neutral red


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neutral red

[′nü·trəl ′red]
(organic chemistry)
(CH3)2NC6H3N2C6H2CH3NH2·ClH Water- and alcohol-soluble green powder; used as pH 6.8-8.0 acid-base indicator, and as a dye to test stomach function. Also known as dimethyl diaminophenazine chloride; toluylene red.
References in periodicals archive ?
B upper panel) Representative plaque with Sf21 cells stained with neutral red 10 d after transfection (magnified 100 times).
In hemocytes, one such parameter appears to be relative membrane stability, typically quantified by examining the capacity of lysosomes to retain Neutral Red dye.
The effect of FFD on immunoloregulation was assessed by neutral red assay.
Neutral red dye penetrates cell membranes readily by nonionic diffusion, and accumulates in the cytoplasm and nucleus (Chen et al.
Examples of recent in vitro method validations by ECVAM in the area of topical toxicity are 3T3 neutral red uptake phototoxicity test, EpiSkin skin corrosivity test, rat transcutaneous electrical resistance skin corrosivity test, and EpiDerm skin corrosivity test.
1% drug-containing medium and after 4 days of incubation, cell viability was determined in the neutral red assay.
20 [micro]L of each quinine HCl concentration was added to respective wells followed by 180 [micro]L of Neutral Red dye.
Dulbecco's modified Eagle's medium (DMEM), RPMI-1640, fetal calf serum (FCS), HEPES, L-glutamine, 2-mercaptoethanol, penicillin/streptomycin, bovine serum albumin (BSA), dinitrophenyl conjugated human serum albumin (DNP-HSA), p-nitrophenyl-N-acetyl-[beta]-D-glucopyranoside, and neutral red were obtained from Sigma Chemical Company (St.
Afterward, the same microplates were also evaluated using the neutral red capture method (Neyndorff et al.
Color Trends: North America Percentage by Color Silver/ Blue Green Natural Neutral Red White Black Specialty 1994 12 21 10 8 17 19 7 6 1995 14 21 7 5 17 21 8 7 1996 15 20 6 7 17 20 7 8 1997 11 23 8 8 18 19 9 4 1998 8 17 10 11 17 17 13 7 1999 8 15 12 12 16 16 13 8 2000 9 13 14 14 16 17 13 4 2001 11 10 14 19 15 16 11 4 Color families: Blue: Light pastels to classic blues Green: Teals to darker blue-greens Natural: Champagne, gold and lighter shades of brown and orange Silver/Neutral: Silver and darker shades of gray Red: Rich, dark reds, maroon and purple White: White and off-white MAKE YOUR OPINION COUNT - Click Here http://tbutton.
Fibroblasts viability was assessed using the neutral red uptake method and compared in both irradiated and non-irradiated cultures.
ABSTRACT Neutral red retention (NRR) assay was used to evaluate the effects of sexual maturation, spawning, and post spawning recovery on lysosomal membrane integrity in hemocytes of two size classes of Pacific oysters.