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Periodic acid–Schiff stain

Index Periodic acid–Schiff stain

Periodic acid–Schiff (PAS) is a staining method used to detect polysaccharides such as glycogen, and mucosubstances such as glycoproteins, glycolipids and mucins in tissues. [1]

66 relations: Acute erythroid leukemia, Adenocarcinoma, Alcian blue stain, Aldehyde, Alpha 1-antitrypsin deficiency, Alveolar soft part sarcoma, American Society for Clinical Pathology, Basal lamina, Blood film, Bouin solution, Carbohydrate, Cellulose, Connective tissue, Counterstain, Crystal violet, Diastase, DyLight Fluor, Egyptian blue, Enzyme, Eosin, Erythrosine, Ewing's sarcoma, False positives and false negatives, Fixation (histology), Fluorescein, Fluorescein amidite, Fluorescein diacetate hydrolysis, Fluorescein isothiocyanate, Formaldehyde, Fungus, Glutaraldehyde, Glycocalyx, Glycogen, Glycogen storage disease, Glycolipid, Glycoprotein, Grocott's methenamine silver stain, Han purple and Han blue, Infection, Laser dye, Macrophage, Methanol, Methyl blue, Methyl violet, Methylene blue, Monosaccharide, Mucus, Mycosis fungoides, Neuronal ceroid lipofuscinosis, New methylene blue, ..., Paget's disease of the breast, PAS diastase stain, Periodic acid, Polysaccharide, Potassium ferricyanide, Potassium ferrocyanide, Proteoglycan, Prussian blue, Pulmonary alveolar proteinosis, Rose bengal, Sézary disease, Schiff test, Staining, Sugar, Whipple's disease, 6-Carboxyfluorescein. Expand index (16 more) »

Acute erythroid leukemia

Acute erythroid leukemia or Di Guglielmo syndrome is a rare form of acute myeloid leukemia (less than 5% of AML cases) where the myeloproliferation is of erythroblastic precursors.

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Adenocarcinoma

Adenocarcinoma (plural adenocarcinomas or adenocarcinomata) is a type of cancerous tumor that can occur in several parts of the body.

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Alcian blue stain

Alcian blue or alcian blue is any member of a family of polyvalent basic dyes, of which the Alcian blue 8G (also called Ingrain blue 1, and C.I. 74240, formerly called Alcian blue 8GX from the name of a batch of an ICI product) has been historically the most common and the most reliable member.

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Aldehyde

An aldehyde or alkanal is an organic compound containing a functional group with the structure −CHO, consisting of a carbonyl center (a carbon double-bonded to oxygen) with the carbon atom also bonded to hydrogen and to an R group, which is any generic alkyl or side chain.

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Alpha 1-antitrypsin deficiency

Alpha-1 antitrypsin deficiency (A1AD or AATD) is a genetic disorder that may result in lung disease or liver disease.

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Alveolar soft part sarcoma

Alveolar soft part sarcoma, abbreviated ASPS, is a very rare type of soft-tissue sarcoma, that grows slowly and whose cell of origin is unknown.

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American Society for Clinical Pathology

The American Society for Clinical Pathology (ASCP) is a professional association based in Chicago, Illinois encompassing 130,000 pathologists and laboratory professionals.

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Basal lamina

The basal lamina is a layer of extracellular matrix secreted by the epithelial cells, on which the epithelium sits.

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Blood film

A blood film—or peripheral blood smear—is a thin layer of blood smeared on a glass microscope slide and then stained in such a way as to allow the various blood cells to be examined microscopically.

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Bouin solution

Bouin solution, or Bouin's solution, is a compound fixative used in histology.

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Carbohydrate

A carbohydrate is a biomolecule consisting of carbon (C), hydrogen (H) and oxygen (O) atoms, usually with a hydrogen–oxygen atom ratio of 2:1 (as in water); in other words, with the empirical formula (where m may be different from n).

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Cellulose

Cellulose is an organic compound with the formula, a polysaccharide consisting of a linear chain of several hundred to many thousands of β(1→4) linked D-glucose units.

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Connective tissue

Connective tissue (CT) is one of the four basic types of animal tissue, along with epithelial tissue, muscle tissue, and nervous tissue.

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Counterstain

A counterstain is a stain with colour contrasting to the principal stain, making the stained structure easily visible using a microscope.

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Crystal violet

Crystal violet or gentian violet (also known as methyl violet 10B or hexamethyl pararosaniline chloride) is a triarylmethane dye used as a histological stain and in Gram's method of classifying bacteria.

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Diastase

A diastase (from Greek διάστασις, "separation") is any one of a group of enzymes that catalyses the breakdown of starch into maltose.

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DyLight Fluor

The DyLight Fluor family of fluorescent dyes are produced by Dyomics in collaboration with Thermo Fisher Scientific.

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Egyptian blue

Egyptian blue, also known as calcium copper silicate (CaCuSi4O10 or CaOCuO(SiO2)4 (calcium copper tetrasilicate)) or cuprorivaite, is a pigment used in ancient Egypt for thousands of years.

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Enzyme

Enzymes are macromolecular biological catalysts.

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Eosin

Eosin is the name of several fluorescent acidic compounds which bind to and form salts with basic, or eosinophilic, compounds like proteins containing amino acid residues such as arginine and lysine, and stains them dark red or pink as a result of the actions of bromine on fluorescein.

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Erythrosine

Erythrosine, also known as Red No.

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Ewing's sarcoma

Ewing's sarcoma or Ewing sarcoma is a malignant small, round, blue cell tumor.

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False positives and false negatives

In medical testing, and more generally in binary classification, a false positive is an error in data reporting in which a test result improperly indicates presence of a condition, such as a disease (the result is positive), when in reality it is not present, while a false negative is an error in which a test result improperly indicates no presence of a condition (the result is negative), when in reality it is present.

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Fixation (histology)

In the fields of histology, pathology, and cell biology, fixation is the preservation of biological tissues from decay due to autolysis or putrefaction.

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Fluorescein

Fluorescein is a manufactured organic compound and dye.

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Fluorescein amidite

Fluorescein amidite, abbreviated as FAM (commercially available 6-FAM version is shown in Figure), is an important synthetic equivalent of fluorescein dye used in oligonucleotide synthesis and molecular biology.

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Fluorescein diacetate hydrolysis

Fluorescein diacetate (FDA) hydrolysis assays can be used to measure enzyme activity produced by microbes in a sample.

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Fluorescein isothiocyanate

Fluorescein isothiocyanate (FITC) is a derivative of fluorescein used in wide-ranging applications including flow cytometry.

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Formaldehyde

No description.

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Fungus

A fungus (plural: fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms.

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Glutaraldehyde

Glutaraldehyde, sold under the brandname Cidex and Glutaral among others, is a disinfectant and medication.

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Glycocalyx

The glycocalyx, also known as the pericellular matrix, is a glycoprotein and glycolipid covering that surrounds the cell membranes of some bacteria, epithelia, and other cells.

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Glycogen

Glycogen is a multibranched polysaccharide of glucose that serves as a form of energy storage in humans, animals, fungi, and bacteria.

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Glycogen storage disease

A glycogen storage disease (GSD, also glycogenosis and dextrinosis) is a metabolic disorder caused by enzyme deficiencies affecting either glycogen synthesis, glycogen breakdown or glycolysis (glucose breakdown), typically within muscles and/or liver cells.

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Glycolipid

Glycolipids are lipids with a carbohydrate attached by a glycosidic bond or covalently bonded.

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Glycoprotein

Glycoproteins are proteins that contain oligosaccharide chains (glycans) covalently attached to amino acid side-chains.

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Grocott's methenamine silver stain

In pathology, the Grocott-Gomori's (or Gömöri) methenamine silver stain, abbreviated GMS, is a popular staining method in histology.

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Han purple and Han blue

Han purple and Han blue (also called Chinese purple and Chinese blue) are synthetic barium copper silicate pigments developed in China and used in ancient and imperial China from the Western Zhou period (1045–771 BC) until the end of the Han dynasty (circa 220 AD).

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Infection

Infection is the invasion of an organism's body tissues by disease-causing agents, their multiplication, and the reaction of host tissues to the infectious agents and the toxins they produce.

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Laser dye

Laser dyes are large organic molecules with molecular weights of a few hundred mu.

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Macrophage

Macrophages (big eaters, from Greek μακρός (makrós).

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Methanol

Methanol, also known as methyl alcohol among others, is a chemical with the formula CH3OH (a methyl group linked to a hydroxyl group, often abbreviated MeOH).

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Methyl blue

Methyl blue is a chemical compound with the molecular formula C37H27N3Na2O9S3.

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Methyl violet

Methyl violet is a family of organic compounds that are mainly used as dyes.

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Methylene blue

Methylene blue, also known as methylthioninium chloride, is a medication and dye.

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Monosaccharide

Monosaccharides (from Greek monos: single, sacchar: sugar), also called simple sugars, are the most basic units of carbohydrates.

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Mucus

Mucus is a slippery aqueous secretion produced by, and covering, mucous membranes.

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Mycosis fungoides

Mycosis fungoides, also known as Alibert-Bazin syndrome or granuloma fungoides, is the most common form of cutaneous T-cell lymphoma.

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Neuronal ceroid lipofuscinosis

Neuronal ceroid lipofuscinosis (NCL) is the general name for a family of at least eight genetically separate neurodegenerative disorders that result from excessive accumulation of lipopigments (lipofuscin) in the body's tissues.

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New methylene blue

New methylene blue (also NMB) is an organic compound of the thiazine class of heterocycles.

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Paget's disease of the breast

Paget's disease of the breast is a type of cancer that outwardly may have the appearance of eczema, with skin changes involving the nipple of the breast.

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PAS diastase stain

Periodic acid–Schiff–diastase (PAS-D, PAS diastase) stain is periodic acid–Schiff (PAS) stain used in combination with diastase, an enzyme that breaks down glycogen.

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Periodic acid

Periodic acid ("per-iodic") is the highest oxoacid of iodine, in which the iodine exists in oxidation state VII.

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Polysaccharide

Polysaccharides are polymeric carbohydrate molecules composed of long chains of monosaccharide units bound together by glycosidic linkages, and on hydrolysis give the constituent monosaccharides or oligosaccharides.

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Potassium ferricyanide

Potassium ferricyanide is the chemical compound with the formula K3.

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Potassium ferrocyanide

Potassium ferrocyanide is the inorganic compound with formula K4·3H2O.

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Proteoglycan

Proteoglycans are proteins that are heavily glycosylated.

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Prussian blue

Prussian blue is a dark blue pigment produced by oxidation of ferrous ferrocyanide salts.

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Pulmonary alveolar proteinosis

Pulmonary alveolar proteinosis (PAP) is a group of rare lung disorders characterized by abnormal accumulation of surfactant-derived lipoprotein compounds within the alveoli of the lung.

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Rose bengal

Rose bengal (4,5,6,7-tetrachloro-2',4',5',7'-tetraiodofluorescein) is a stain.

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Sézary disease

Sézary disease is a type of cutaneous lymphoma that was first described by Albert Sézary.

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Schiff test

The Schiff test is an early organic chemistry name reaction developed by Hugo Schiff, and is a relatively general chemical test for detection of many organic aldehydes that has also found use in the staining of biological tissues.

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Staining

Staining is an auxiliary technique used in microscopy to enhance contrast in the microscopic image.

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Sugar

Sugar is the generic name for sweet-tasting, soluble carbohydrates, many of which are used in food.

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Whipple's disease

Whipple's disease is a rare, systemic infectious disease caused by the bacterium Tropheryma whipplei.

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6-Carboxyfluorescein

6-Carboxyfluorescein (6-FAM) is a fluorescent dye with an absorption wavelength of 495 nm and an emission wavelength of 517 nm.

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Redirects here:

PAS stain, Pas stain, Periodic acid Schiff, Periodic acid-Schiff, Periodic acid-Schiff reagent, Periodic acid-Schiff stain, Periodic acid-Shiff, Periodic acid-schiff reaction.

References

[1] https://en.wikipedia.org/wiki/Periodic_acid–Schiff_stain

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