Storage screening 379 All prices are indicative and exclude VAT. Visit www.dulis.nl Polystyrene hLow chemical resistance hLow to very high binding capacity, depending on surface treatment hRigid and transparent, excellent optical properties hApplications: Homogeneous tests, ELISA, cell culture, fluorescence, luminescence Polypropylene hGood thermal and chemical resistance hVery low binding capacity hFlexible, translucent hApplications: Storage, fluorescence, luminescence Glass bottom hHigh optical quality hHigh flatness hApplications: Spectroscopy, fluorescence and confocal microscopy Cycloolefin hLow level of autofluorescence hExcellent transparency especially in the UV area hGood chemical resistance hApplications: Spectroscopy, fluorescence and confocal microscopy hTransparent Colorimetric tests, cell culture, ELISA, absorbance tests hTranslucent Storage hBlack: Recommended for fluorescence (eg: GFP); low autofluorescence and scattering of fluorescence between wells hWhite: Recommended for luminescence (e.g. luciferase); increases signal over background noise; reflects, concentrates signal at detector level Well Type: Rounded: optimal for sample recovery, compatible with most sealing options Squared: angles prevent capillary rise of liquids, and cross-contamination between wells, maximises volume in SBS format Bottom type: Flat: imaging, cell culture Rounded: optimal washing, mixing, visualisation and resuspension of the pellet, automatic centralisation of samples V: precipitation, centrifugation, small volume recovery Pyramidal taper: increases volume recovery and decreases dead volume Plates for screening and storage hScreening plates are multi-well plates where each well is used as a small test tube hIdeal for absorbance, fluorescence, luminescence and scintillation applications hThese plates are used to test samples; determine their composition, the presence and quantity of a substance (e.g. hormone); study the action of a drug or the links between biological molecules (e.g. enzymes); analyse proteins (quantity and concentration) hPolystyrene, glass and coloured background h96-well plates are the most commonly used, but 384-well and 1536-well plates allow full automation and miniaturisation of assays Screening plates We have a wide range of plates to meet your needs. hMade of inert polypropylene and resistant to +121 °C, ideal for storage Plate selection guide Storage plates Material type Well Configuration Plates Colour V-shaped bottom Rounded wells Round bottom Conical bottom Flat bottom Squared wells Flat bottom Round bottom Conical bottom Pyramid bottom Treatment type Non-treated (or medium fixation) hPolystyrene is hydrophobic in nature and binds molecules passively hImmobilisation of large molecules (e.g. antibodies) High binding hFixation of medium (› 10 kD) and large molecules with ionic groups and/or hydrophobic regions Non-binding hMinimises the binding of molecules such as DNA, RNA, peptides and proteins hReduces non-specific binding, improves signal to noise ratio Reinforced culture treatment hReinforces the adhesion and development of Cells Standard culture treatment hImproves cell adhesion and protein binding to the surface Low adhesion treatment hTreatment that minimises cell attachment, protein uptake, enzyme activation and cell activation hNon-cytotoxic Coating hTreatment with collagen, Poly-D-Lysine, fibronectin hIncreases adhesion of difficult cells
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