PR1MA™ Protein Gel-Loading Dye for SDS-PAGE

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PR1MA™ Rapid Coomassie Stain

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PR1MA™ Protein Markers

PR1MA™ All Blue, Regular Range Protein Markers

PR1MA™ All Blue, Regular Range Protein Markers are blue protein standards with 10 or 11 pre-stained proteins covering a wide range of molecular weights from 10 to 180 kDa in Tris-Glycine buffer (9 to 170 kDa in Bis-Tris (MOPS) buffer and Bis-Tris (MES) buffer). Proteins are covalently coupled with a blue chromophore, and two reference bands (at 25 kDa and 72 kDa, in the presence of Tris- Glycine buffer) are enhanced in intensity.

Loading Volume

• 3 μL or 5 μL per loading for clear visualization during electrophoresis on a 15-well or 10-well mini-gel
• 1.5~2.5 μL per well for general Western blotting transfer

The markers are supplied at a concentration of approximately 0.1~0.5 mg/ml of each protein in the buffer (20 mM Tris-phosphate, pH 7.5 at 25°C, 2% SDS, 0.2 mM Dithiothreitol, 3.6 M Urea, and 15% (v/v) Glycerol)

PR1MA™ Tricolor Protein Markers

PR1MA™ Tricolor Protein Markers are three-color protein standards with 10, 12, or 13 pre-stained proteins covering a wide range of molecular weights from 5 to 245 kDa in Tris-Glycine buffer (3.5 kDa to 235 kDa in Bis-Tris (MOPS) buffer and Bis-Tris (MES) buffer). Proteins are covalently coupled with a blue chromophore except for two reference bands, one green and one red band (at 25 kDa and 75 kDa, respectively, in the presence of Tris-Glycine buffer).

Loading Volume

• 3 μL or 5 μL per loading for clear visualization during electrophoresis on a 15-well or 10-well mini-gel.
• 1.5~2.5 μL per well for general Western blotting transfer.

The markers are supplied at a concentration of approximately 0.1~0.4 mg/ml of each protein in the buffer (20 mM Tris-phosphate (pH 7.5 at 25°C), 2 % SDS, 0.2 mM Dithiothreitol, 3.6 M Urea, and 15 % (v/v) Glycerol).

Specifications

Item#	Color	Bands	Range
PR5010-BL	Blue	10	9-180 kDA
PR5011-BL	Blue	11	9-180 kDA
PR5010-TC	Tri-Color	10	9-180 kDA
PR5012-TC	Tri-Color	12	9-245 kDA
PR5013-TC	Tri-Color	13	9-245 kDA

 

This brand is being discontinued.
 

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Bullseye Pre-stained Protein Ladder, 10-180 kDa

• Ready to use - no boiling necessary
• Stable at ambient temperature
• 2 reference bands - red at ~75kDa and green at ~25kDa
• Use 5-15µl, depending on the size of the wells
• No freeze-thaw involved
• Broad range ladder

Application: The Bullseye Pre-stained Protein Ladder is suitable for visualizing proteins during electrophoresis without staining and for monitoring transfer onto membrane.

The Bullseye Pre-stained Protein Ladder contains 10 prestained proteins, covering a wide range of molecular weights from 10 to 180kDa. It is designed for monitoring protein separated during polyacrylamide gel electrophoresis, verification of Western transfer efficiency on membranes and for sizing of proteins. The ladder is supplied in protein gel loading buffer and is ready-to-use. No need to heat, dilute, or add reducing agent before loading. One prominent feature of this protein ladder, is that it remains in the liquid state at the storage temperature; therefore, there is not a freeze-thaw cycle involved, making the ladder very stable.

• Contents: 0.1~0.4 mg/ml of each protein in 20 mM Trisphosphate (pH 7.5 at 25°C), 2% SDS, 1 mM reducing reagent, 3.6 M Urea, and stabilizer.
• Usage: For each application, 5-15µl is needed, depending on the size of the wells.
• Quality Control: Tested in polyacrylamide gel electrophoresis and Western Blotting.
• Storage: -20 °C.