phosphotungstic acid

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phos·pho·tung·stic ac·id (PTA),

(fos-fō-tŭng'stik as'id),

A mixture of phosphoric and tungstic acids; a protein precipitant and reagent for arginine, lysine, histidine, and cystine; used with hematoxylin for nuclear and muscle staining; also used in electron microscopy as a stain for collagen and as a negative stain.

phos·pho·tung·stic ac·id

(PTA) (fos'fō-tŭng'stik as'id)

phos·pho·tung·stic ac·id

(PTA) (fos'fō-tŭng'stik as'id)

phosphotungstic acid (PTA),

n a mixture of phosphoric and tungstic acids used with hematoxylin for staining muscle tissue and cell nuclei. It is also used as a negative stain of collagen in electron microscopy.

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References in periodicals archive ?

A uric acid evaluation, for example, would summarize survey results for the uricase, phosphotungstate, and iron reduction methods.

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Estimation of cholesterol and HDL cholesterol was done by CHOD--POD phosphotungstate method.

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Sodium phosphotungstate and sodium sulfate were purchased from E.

Effects of cholesterol-supplemented and unsupplemented diets containing unextracted and extracted Syzygium cumini seeds on lipid profiles of alloxan-induced diabetic albino rats

The Folin-Ciocalteu reagent is a mixture of phosphomolybdate and phosphotungstate and is used to assay phenolic and polyphenolic antioxidant activity.

Red wine grape pomace as antioxidant dietary fiber

Biochemical investigation: Fasting venous blood from all the patients and control subjects were collected in plain vial for the analysis of triglyceride (TG) levels by lipoprotein lipase-peroxidase method (11), total cholesterol (TC) levels by cholesterol oxidase method (12) and high density lipoprotein (HDL) levels by phosphotungstate magnesium chloride method (13).

Genetic predisposition of E-selectin gene (S128R) polymorphism in patients with coronary artery disease (CAD)

High density lipoprotein was measured by using phosphotungstate precipitation method.

Correlation between high sensitivity C-reactive protein and lipids in obesity among Indians

Precipitation of alpha lipoproteins in serum by sodium phosphotungstate in the presence of magnesium chloride.

Effect of active smoking on glucose tolerance and lipid profile

To observe the virus particles, the culture supernatant was ultracentrifuged at 100,000 x g, and the precipitates were negatively stained with 2% phosphotungstate.

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Serum HDL cholesterol was measured after precipitation by magnesium chloride phosphotungstate (23).

Prevalence & risk factors of pre-hypertension & hypertension in an affluent north Indian population

We measured HDL cholesterol after precipitation of the apolipoprotein B-containing lipoproteins with magnesium phosphotungstate and calculated LDL cholesterol by the Friedewald formula.

Tissue factor and monocyte chemoattractant protein-1 expression in hypertensive individuals with normal or increased carotid intima-media wall thickness

Serum Total cholesterol (TC) was estimated by cholesterol esterase method and High Density Lipoprotein (HDL) by cholesterol esterase method after precipitation using phosphotungstate method.

[HbA.sub.1]C as a predictor of lipid profile in type 2 diabetic patients

In contrast, when sodium phosphotungstate concentration for Pr[P.

Protease-resistant prion protein in lymphoreticular tumors of variant Creutzfeldt-Jakob disease mice