buffers
Resisting pH changes, buffers protect samples when acids or alkali is added. Powder and liquid forms efficiently track proteins during electrophoresis isolation and separation. The salty buffers can also be used to calibrate and standardize pH meters for accurate readings. Blocking substances stop antibody attachment to membrane free sites that would produce an interfering background. In various concentrations to fit any need, the buffers may come in liquids or dehydrated formats.
Phosphate Buffered Saline, 1X
Supplier: RPI
Ready to use sterile 1X solution, supplied in sterile pre-filled screw cap tubes. Phosphate buffered saline is a buffer solution commonly used in biological research. PBS has many uses because it is isotonic and non-toxic to most cells.
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Cross Absorption Equilibration/Wash Buffer, 1X
Supplier: Immunoreagents
Cross Absorption Equilibration/Wash Buffer, 1X
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Cross Absorption Regeneration Buffer, 1X
Supplier: Immunoreagents
Cross Absorption Regeneration Buffer, 1X
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Sodium Citrate Buffer, 0.5 M, pH 4.5, 250 ml, RNase/DNase Tested, Sterile
Supplier: Teknova
Sodium Citrate Buffer, 0.5 M, pH 4.5, 250 ml, RNase/DNase Tested, Sterile
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pDNA Resuspension Buffer, pH 8.0
Supplier: Teknova
pDNA Resuspension buffer composition: 50 mM Tris/Tris-HCl, 10 mM EDTA.
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pDNA Equilibration Buffer, pH 7.2
Supplier: Teknova
pDNA Equilibration buffer: 50 mM Tris, 10 mM EDTA.
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HNE Buffer, Sterile
Supplier: Teknova
HNE Buffer composition: 50 mM HEPES, 0.15 M sodium chloride, 25 mM EDTA.
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Calcium Buffer Kit
Supplier: WORLD PRECISION INSTRUMENTS LLC
A set of eight calcium buffers covering the range of concentration from 10⁻¹ to 10⁻⁸ M Ca⁺⁺. Each buffer contains 20 ml of solution and enough potassium chloride to set the ionic strength to 0.1 M.
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Calcium Buffers
Supplier: WORLD PRECISION INSTRUMENTS LLC
CALBUF-2 is especially suitable for calibrating fluorescent Ca⁺⁺ indicators. It provides eleven buffer standards in the 10⁻⁴ to 10⁻⁸ M Ca⁺⁺ range, whereas other commonly used fluorescent Ca⁺⁺ indicators have the apparent Kd in the range of 100 to 300 nM. As with any ionic sensitive indicator, the sensitivity range of these indicators is about 1.0 log unit above and below the Kd. CALBUF-2 provides seven calibration points in this sensitivity range. It has an osmolarity of 0.305, which is isotonic with most mammalian cells.
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Proteometer-L Buffer Packets
Supplier: NOVILYTIC, LLC
7 sealed buffer packets specifically formulated for use with Proteometer-L kit.
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Proteometer-UFT Buffer Packets
Supplier: NOVILYTIC, LLC
3 sealed buffer packets specifically formulated for use with Proteometer-UFT kit.
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Proteometer-L Consumables Kit
Supplier: NOVILYTIC, LLC
The Proteometer-L Kit transforms any LC into an analytical system capable of identifying and quantifying titer and relative aggregate content in crude culture filtrate in <10 minutes, without sample preparation.
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Proteometer-UFT Starter Kit
Supplier: NOVILYTIC, LLC
The Proteometer-UFT Kit transforms any LC into an analytical system capable of identifying and quantifying titer content in crude culture filtrate in <90 seconds, without sample preparation.
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Proteometer-UFT Kit
Supplier: NOVILYTIC, LLC
The Proteometer-UFT Kit transforms any LC into an analytical system capable of identifying and quantifying titer content in crude culture filtrate in <90 seconds, without sample preparation.
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Proteometer-L Fluorescent Reagent
Supplier: NOVILYTIC, LLC
7 vials of the Proteometer-L fluorescent reagent specifically formulated for use with Proteometer-L kit.
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Hanna pH Buffer Sachets
Supplier: Hanna
This buffer value is widely used in water purification plants, in the food industry, and wherever the pH is expected to be slightly acidic.
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Catalog #: CA21905-026
Supplier: Kimberly-Clark