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Topic: Staining (biology)

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	Staining (biology)
		Stains and dyes are frequently used in biology and medicine to highlight structures in biological tissues for viewing, often with the aid of different microscopes.
		Stains may be used to define and examine bulk tissues (highlighting, for example, muscle fibers or connective tissue), cell populations (classifying different blood cells, for instance), or organelles within individual cells.
		Gram staining uses crystal violet to stain cell walls, iodine as a mordant, and a fuchsin or safranin counterstain to mark all bacteria.
	www.guideofpills.com /Staining_%28biology%29.html (2234 words)

	Staining
		In the one-step trichrome procedure, a plasma stain (chromotrope 2R) and a connective tissue fiber stain (fast green FCF, light green, or aniline blue) are combined in a solution of phosphotungstic acid to which glacial acetic acid has been added.
		The tungstate ion is specifically taken up by collagen, and the connective tissue fiber stain is subsequently bound to this complex, coloring the collagen green or blue, depending on the counterstain used.
		The staining jar that contained the Verhoeff’s solution may be cleaned easily by transferring the 2% ferric chloride to the jar for a few minutes before discarding the solution.
	mammary.nih.gov /atlas/histology/jaxworkshop/syllabus/stains.htm (1953 words)

	Ginsberg Scientific - EARTH SCIENCE
		These staining dishes holds standard 1" x 31" microscope slides.
		These staining dishes holds standard 1" x 3" microscope slides.
		Includes: 72-glass microscope slides, 100 glass cover slips, a set of specimens (fabric, thread, dust, cork, foam, and salt), self adhesive labels, single edge razor blades, lens paper, 2 medicine droppers, mounting medium and isopropyl alcohol.
	www.ginsbergscientific.com /0cat_results_biology1.asp?cid=105 (1597 words)

	Gram staining Summary
		The Gram stain is still considered to be the definitive, differential test to determine the chemical make-up of a bacterium cell wall.
		Gram staining (or the Gram's method) is an empirical method of differentiating bacterial species into two large groups (Gram-positive and Gram-negative) based on the chemical and physical properties of their cell walls.
		Gram staining is one of the most useful staining procedures in bacteriological laboratory.
	www.bookrags.com /Gram_staining (1263 words)

	Cell Staining \| World of Biology
		He became convinced that staining might not be a neutral process in which cells simply absorb dye.
		Another approach to staining was suggested by the Italian histologist Camillo Golgi in the 1870s.
		Yet another technique is immunoperoxidase staining, in which cells are washed with antibodies to various cell parts or cell chemicals.
	www.bookrags.com /research/cell-staining-wob (667 words)

	CHEMICON : Matrix Biology Products
		Alazarin Red, a staining solution to detect the presence of mineralization in bone tissue, is also provided for the end-point quantitation of this process using a standard plate reader.
		Stain was not observed in untreated MC3T3-E1 cells (A).
		Endothelial cells are involved in many aspects of vascular biology, including inflammation, angiogenesis, atherosclerosis, blood clotting, vasoconstriction and vasodilation.
	www.chemicon.com /category/matrixbio.asp (574 words)

	Preferential Staining of Nucleic Acid-Containing Structures For Electron Microscopy - H. E. HUXLEY, Ph.D., and G. ...
		The nucleolus, stained in each case, is surrounded by nuclear material which stains strongly with uranyl acetate, and weakly or not at all with lead hydroxide; the staining of the cytoplasmic particles is similar to that of the nucleolus in the two cases.
		Staining with uranyl acetate can also be carried out by simply mixing a drop of suspension of virus in distilled water with one drop of 2 per cent or 4 per cent aqueous uranyl acetate, the preparation being kept in a moist chamber to prevent drying.
		Staining of microsomal particles, and of the nucleolus, occurs in each case, but the mass of chromatin surrounding the nucleolus, and other areas elsewhere in the nucleus, while staining with uranyl acetate, are relatively unstained by lead hydroxide.
	www.mindfully.org /Nucs/Huxley-Zubay-Staining1nov61.htm (7524 words)

	Division (biology) Encyclopedia (Site not responding. Last check: )
		For a different meaning in biology, see cell division.
		In biology, the equivalent of a phylum in the plant or fungi kingdom is called a division.
		of the director of the Division of Biology and is based on superior...
	www.hallencyclopedia.com /topic/Division_(biology).html (237 words)

	staining - Search Results - MSN Encarta
		Stain, chemical dye or pigment, used to color glass, paper, textiles, or wood.
		In biology, stains are used to differentiate tissues and structures...
		Stained Glass, windows composed of small panels of dyed and painted glass, held in strips of cast lead and mounted in a metal framework.
	encarta.msn.com /staining.html (169 words)

	Blue Histology - more about Histological Stains
		The most widely used staining technique is that of Haematoxylin and Eosin, commonly called H&E. In this method the nuclei of cells is stained by the haematoxylin whilst the cytoplasm is coloured by the eosin.
		When the stain is applied to a blood smear and diluted with a buffer of correct pH (usually about pH 6.8) it is possible to type the different kinds of lymphocytes and leucocytes.
		Connective tissue and muscle are coloured differently because the staining affinity of the tissue may be affected by the dye molecular size, density of the tissue, pH of the dye bath and/ or the use of colourless "dyes".
	www.lab.anhb.uwa.edu.au /mb140/MoreAbout/stains.htm (1462 words)

	Biology
		Biology 0101 is designed to be taken in the spring of the students’ freshman year; Biology 0101 covers evolutionary principles, an introduction to ecology, and anatomy and physiology of plants and animals with an emphasis on vertebrate systems.
		Prerequisite: Biology W237 is co- or prerequisite for Biology 0238, plus junior or senior standing in Biology or Geology and written permission of the instructor.
		Prerequisite: Biology 101 and 102 and a 200 level biology course, Chemistry CO71 and CO72, Math CO85 and 0086, and Physics 0121 and 0122.
	www.temple.edu /bulletin/ugradbulletin/ucd/ucd_biology.html (3435 words)

	An Introduction to Bacterial Classification
		Staining methods are designed to make a staining agent bind to the cell wall of the bacteria.
		In testing for gram stain response, microbiologists first spread some bacteria on a slide, then fire it by passing the slide through a flame briefly.
		Gram staining is nearly always the first step in identifying a new sample or species of bacteria.
	www.earthlife.net /prokaryotes/phyla.html (888 words)

	Cell Biology: Microscopy, Kent State University - Introduction (Site not responding. Last check: )
		Most cell biology students are familiar with the use of a light microscope, having observed some cells in introductory biology courses.
		Stain some cells with the conventional stains and compare the images obtained with those of the cells in brightfield and with contrast enhancement.
		If the cells are to be stained after mounting, put a drop of the stain on one side of the coverslip and apply a Kimwipe to the opposite side of the coverslip to draw the solution through.
	dept.kent.edu /projects/cell/INTRO2.HTM (2697 words)

	The Scientist : Dye Hard: Protein Gel Staining Products
		Staining occurs when copper ions react with the Tris and SDS in the gel matrix to produce a negatively stained gel consisting of clear protein bands against a semiopaque whitish-blue background.
		The Rev-Pro stain from ESA is a sensitive, fully reversible stain for proteins blotted onto nitrocellulose or PVDF membranes, and is compatible with immunostaining, protein sequencing, and mass spectrometry protocols.
		Staining times run from a low of 100 minutes for silver staining 1.0 mm unbacked DNA gels, to a high of 460 minutes for Coomassie staining of 1.5 mm thick protein gels.
	www.the-scientist.com /article/display/18035 (4631 words)

	Protein Staining Reagents for Protein Electrophoresis
		Staining of sugar moieties of glycoproteins yields magenta bands with a colorless background.
		Ponceau S (sodium salt) may be used to prepare a stain for rapid reversible detection of protein bands on nitrocellulose or PVDF membranes (Western blotting), as well as on cellulose acetate membranes.
		Staining solutions are commonly made by dissolving the dye in formamide and buffer.
	www.sigmaaldrich.com /Area_of_Interest/Life_Science/Proteomics_and_Protein_Expr/Protein_Analysis/Protein_Electrophoresis/Additional_Protein_Staining_Reagents.html (813 words)

	Albion College Biology Department
		Ola Olapade is a microbial ecologist/microbiologist primarily interested in the delineation of microbial community composition and structure, especially those in biofilms (i.e., surface associated, such as the periphytic and epiphytic assemblages) in various aquatic systems including lakes, streams and, rivers.
		He currently employs both standard microbiological and molecular techniques (e.g., nucleic acid staining; fluorescent in situ hybridization; DNA sequencing) to examine and delineate the abundance and distribution of various bacterial populations in response to changes in hydrodynamics, seasonality, nutrient and organic C availability, predation, as well as, anthropogenic disturbances in freshwater environments.
		Apart from his interest in microbial taxonomic diversity, he is also presently exploring the diversity amongst various functional groups as well as their enzymatic activities, especially the ammonia oxidizing and the sulfate reducing bacterial populations with regards to nutrient dynamics in aquatic systems.
	www.albion.edu /biology/fac_pro_Olapade.asp (150 words)

	Department of Biology - Undergraduate Courses (Site not responding. Last check: )
		Prerequisite: Principles of Biology I and II, Principles of Chemistry I and II, and Organic Chemistry I and II.
		Prerequisites: Principles of Biology I and II and Principles of Chemistry I and il.
		The emphasis of this lecture course is placed on the detailed study of the major cellular components with particular attention to the relationship between functions and the molecular and supramolecular organization of the cell.
	www.mville.edu /biology/courses.html (2065 words)

	Wabash College: Biology Crawfordsville, Indiana
		Biology 111 is a prerequisite for Biology 112
		Prerequisite: Biology 101 or 112 and consent of the instructor.
		A strong emphasis will be placed on the evolutionary trends in the vascular plants, with additional coverage of plant biotechnology, developmental biology, and some of the physiological adaptations plants have evolved in the transition to life in terrestrial environments.
	www.wabash.edu /academics/biology/courses (1183 words)

	Biology: Gram staining
		I have experience teaching college level biology, microbiology and botany as well as general biology, physical science and chemistry at the high school and junior high school levels.
		Have taught biology and botany at Fayetteville state university for 29 years.
		Safranin is a nuclear stain so if there were nuclei present these would be pink.
	en.allexperts.com /q/Biology-664/Gram-staining.htm (279 words)

	Reproductive Biology and Endocrinology \| Full text \| Intercellular adhesion molecule-1 expression in human endometrium: ...
		The current study found prominent ICAM-1 staining in the endometrial endothelium that was of equivalent intensity in different blood vessel types irrespective of the steroidal or inflammatory endometrial milieu across the menstrual cycle and during LTPOC therapy.
		Thus, staining intensity did not vary significantly among specimens obtained from the estrogen-regulated follicular phase (C), the progestin-dominated luteal phase (D), or from the pro-inflammatory milieu characteristic of the ovarian steroid withdrawal-initiated menstrual phase (E-F).
		The current study found that human endometrial endothelial cells displayed prominent IHC staining for ICAM-1 in specimens obtained from the follicular, luteal and menstrual phases, and after administration of the LTPOCs, Norplant (subdermal LNG) and Mirena (intrauterine LNG) and that this staining was of equivalent intensity in all vessels examined.
	www.rbej.com /content/4/1/2 (3818 words)

	Staining Bacteria
		Acid stains bind to positively charged molecules which are much less common, meaning acidic stains are used only for special purposes.
		Basic stains may be used alone (a simple stain) or in combination (differential stain) depending on the experiment involved.
		The bacteria are stained a second time (counter stained) with the dye safranin which will not show up on the already purple Gram positive but will stain the decolorized Gram negative bacteria red.
	www2.hendrix.edu /biology/CellWeb/Techniques/microstain.html (821 words)

	[No title]
		I routinely stain cell membrane associated antigens on cell cultures after fixing briefly in PFA with no problem.
		If desired you can fix after staining but I would keep everything on ice to prevent internalization (this is a concern in my case, may not apply to your system).
		The cell doesn't need to be living to stain the membrane and the results to be meaninful.
	www.protocol-online.org /forums/index.php?showtopic=8097 (825 words)

	Gel Staining
		Please be sure to follow one of the staining protocols shown below because many staining protocols, though perhaps slightly more convenient or sensitive than one of these, may well render your proteins impervious to mass spectrometric analysis.
		That said, the general rule is that most Coomassie stains are OK, but in all cases chemical crosslinkers and strong oxidizing or reducing agents (included in many silver staining protocols) should be avoided.
		Recently several commercial silver staining kits that give good staining results and also are compatible with downstream mass spectrometry analysis have been developed.
	saturn.med.nyu.edu /facilities/paf/gel_staining.html (626 words)

	Pierce Biotechnologies’ Gelcode Blue Stain - Biocompare Product Review
		The Gelcode Blue Stain Reagent by Pierce is an affordable, ready-to-use method that effectively cuts down on the time involved for fixing, staining and de-staining gels.
		Gelcode Blue Stain exhibits a reduced level of band color intensity when compared to standard Coomassie protocols and reagents despite having the same colloidal properties as G-250 protein dyes.
		Staining overnight is also an option, requiring a minimum 2 hour “Water-Wash Enhancement” step the next day to effectively remove any background.
	www.biocompare.com /prorev.asp?profrevid=273 (400 words)

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