Vous avez recherché : Réactifs pour la microscopie et la coloration
Avantor offers a broad line of reagent droppers, diagnostic kits, and antigens and antisera, for aid in identifying a variety of microscopic organisms. The visualization of bacteria by means of staining procedures is an important tool for any microbiologist to have at their disposal, and these carefully standardized and reproducible stain reagents help to ensure accurate and easily interpretable results. Stains are also available to provide early detection of positive blood cultures by fluorescence procedures.
Spurr low viscosity embedding kit, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Spurr resin is a hydrophobic resin. It is less viscous than epon mixtures and is easier to dispense. The low viscosity of the resin contributes to its penetration in tissue, mineral and dense structures. A low viscosity of 60 cps also allows easy penetration into a variety of difficult materials.
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VWR® Gurr™ Histological Fixatives, AFA
Supplier: VWR Chemicals
Solution alcoolique acidifiée de formol pour la fixation du glycogène.
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Décalcifiants osseux, Osteomoll® et Osteosoft®
Supplier: Merck
Les tissus durs comme les os ou les dents et tous les échantillons de tissus calcifiés comme les ponctions de moelle osseuse nécessitent un pré-traitement spécial avant le traitement de routine par un laboratoire histologique.
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VWR®, Huile à immersion
Supplier: VWR Collection
L’huile à immersion est utilisée pour augmenter la résolution du microscope.
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Epoxy embedding medium, hardener MNA, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Epoxy embedding medium is generally used for biological tissues during study by electron microscopy. Usually, it consists of three components; Epon 812 resin, an anhydride hardener and an accelerator
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Hartman’s fixative histological tissue fixative, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Hartman′s fixative, which is also known as Davidson′s Fixative, contains acetic acid, alcohol, and formalin. It is widely used for the preservation of eye, bone marrow, breast, testis, and other tissues for histologic examination
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Fixateur cytologique, Q Path® Easyfix
Supplier: VWR Chemicals
Fixateur cytologique spécialement conçu pour la conservation et le transport de spécimens cytologiques.
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Aqueous mounting medium, glycerol gelatin, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Glycerol alters the hygroscopic property of gelatin and its permeability to water vapour. Glycerol gelatin or glycerine jelly medium is an aqueous slide mounting media, used for mounting samples in microscopy and histology.
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J.T.Baker®, Formalin Neutraliser
Supplier: Avantor
Formalin (dissolved formaldehyde) is used in histopathology laboratories.
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Aqueous mounting medium Aquatex®, Sigma-Aldrich®
Supplier: Merck
Aquatex is used for e.g. LEUCOGNOST stained specimens. For preservation purposes and subsequent optimal microscopy, the stained sections are normally mounted using a suitable mounting agent and covered with a cover glass.
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Milieu de montage DPX non aqueux
Supplier: Merck
DPX new is a synthetic non aqueous mounting medium for microscopy. In its formulation, the teratogenic plasticiizer dibutyl phthalate (DBP) has been avoided, which renders the composition safer for the environment and more user friendly than the conventionally used mounting agents such as DPX.
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Safemount Q Path®
Supplier: VWR Chemicals
Safemount Q Path® est un milieu de montage fourni dans un flacon en PET et compatible avec Safesolv. Il fixe la lamelle à la lame en verre ainsi que la sonde dans la position adaptée après coloration.
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VWR® Bouin's solution
Supplier: VWR Chemicals
VWR® Bouin tissue fixative solution.
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Immersion oil viscosity 150 cSt (lit.), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Immersion Oil has a defined refractive index of about 1,516. It is important that the refractive index (nD) is about 1,5, similar to that of glass. This enables a homogeneous oil immersion to be achieved.
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Osteo-Bed Bone embedding kit, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Suitable for use with large and small mineralized (undecalcified) bone sections. Yields clear, hard blocks for cutting sections. Not water-soluble.
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VWR® Q Path®, Adhésif cellulaire adhésif pour microscopie
Supplier: VWR Chemicals
Colle pour améliorer l'adhérence des coupes histologiques aux lames. Alternative à l'albumine-glycérol.
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Embedding kit JB-4, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
JB-4 is a water-soluble, GMA based, plastic resin kit intended for use in the preparation of embedded samples for high resolution light microscopy. It is a technique now widely used for research and clinical diagnosis. JB-4 yields semi-thin sections (0.5μ-2μ) with excellent morphological preservation.
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Colle Freeze Gel (bleue), milieu de montage Q Path, pour cryotomie
Supplier: VWR Chemicals
Milieu de montage à viscosité élevée pour cryotomie. Moins visqueux que O.C.T.
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Aérosol de congélation Cryolab, Q Path
Supplier: VWR Chemicals
Spécialement utilisé pour la congélation des pièces chirurgicales avant le processus de coupe avec cryostat ou avec un microtome de congélation.
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Araldite® M, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Araldite® is an epoxy resin commonly used for embedding. It is basically free from polymerization damage and the plastic does not sublime in the microscope, hence providing continual support and preservation of fine detail.[1] It is composed of araldite M or CY 212, dodecenyl succinic anhydride, dibutyl phthalate and 2,4,6-tridimethylamine methyl phenol.
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VWR® Fixing Solution
Supplier: VWR Chemicals
Fixing solution with 0,02% formaldehyde and 0,01% citric acid in aqueous solution.
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Osteo-Bed Bone Embedding Solvent
Supplier: SIGMA ALDRICH MICROSCOPY
For use with Osteo-bed bone embedding kit. Solvent for removal of plastic from sections prior to rehydration and staining. Most histochemical and immunohistochemistry staining protocols require the removal of methyl methacrylate (MMA) and rehydration of mounted sections for improved stain penetration and greater contrast.
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VWR® Fixing Solution
Supplier: VWR Chemicals
Fixing solution with 0,02% formaldehyde in methanol 50% (v/v)).
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Décalcifiants Q Path®, DC1 à action lente
Supplier: VWR Chemicals
DC1 slow acting decalcifiers contain a mixture of formic acid and formalin.
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VWR®, OCT Embedding matrix for frozen sections
Supplier: VWR Chemicals
When sectioning frozen tissue for rapid surgical biopsy diagnosis or for research (typically in Histochemistry), the tissue sample must be firmly attached to the microtome stage or chuck. Embedding material such as OCT are preferred as these also provide a supportive and protective aid to sectioning.
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VWR® Q Path® Cytofix, Cytology Fixture
Supplier: VWR Chemicals
Fixateur combinant les qualités coagulantes de l'alcool pour permettre une meilleure fixation des éléments nucléaires et cytoplasmiques. Les érythrocytes sont lysés, ils n'occultent donc pas l'observation des éléments intéressants. Ce fixateur peut être utilisé selon la méthode Saccomanno.
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Milieu de montage, Entellan® nouveau
Supplier: Merck
Le produit Entellan® nouveau est un milieu de montage pour colleuses de lamelles et est spécialement conçu pour les instruments à montage automatique disponibles dans le commerce qui fonctionnent avec colleuses de lamelles. Sa viscosité est comprise entre 250 et 600 mPas, le 1,00869 a une petite plage de viscosité. Cette gamme de viscosité étroite améliore et accélère l'application, étant donné que ni le débit du compte-goutte ni le volume ne doivent être réinitialisé après la première exécution avec un nouveau flacon du produit Entellan® nouveau.
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Décalcifiants Q Path®, DC2 à action moyenne
Supplier: VWR Chemicals
Contient un mélange d'acides chlorhydriques.
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Q Path® Isomount 2000
Supplier: VWR Chemicals
Montage sur la base d'isopropanol. Compatible avec la plupart des agents de remplacement de solvants. Adapté au montage manuel et automatique des lames. Flacon en PET de 500 ml.
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Embedding medium, PolyFreeze, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
PolyFreeze is a water-soluble support matrix and a form of embedding medium for frozen sectioning. PolyFreeze sections flawlessly at routine frozen specimen thickness of 5-6 μ and leaves no slide residue. It provides for -20 ºC cryostat sectioning in rapid set embedment. This medium freezes quickly supporting the tissue for sectioning at 3 mm and up with no cracking of the matrix at temperatures from -8 °C to -25 °C.