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Protein Molecular Weight Markers

Individual or ladder series of specific mass (kilodalton, kDa) markers for use as approximate sizing standards in protein gel electrophoresis (especially SDS-PAGE); available preformulated in loading buffer, prestained, and unstained.
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Invitrogen™ iBright™ Prestained Protein Ladder

For visualization and protein sizing during Electrophoresis and confirmation of Western blot detection.

EDGE ENCOMPASS_PREFERRED
Shipping Condition Dry Ice
Content And Storage Storage buffer: 62.5 mM Tris-H3PO4 (pH 7.5 at 25°C), 1 mM EDTA, 2% (w/v) SDS, 10 mM DTT, 1 mM NaN3 and 33% glycerol

Upon receipt, store at –20°C. Product is shipped on ice.
Number of Markers 12
Product Type Protein Ladder
Molecular Weight (g/mol) 250, 130, 95, 80, 70, 55, 43, 34, 30, 26, 15, 11 kDa
Ready to Load Yes
Color Blue
Size Range 11 to 250 kDa
Gel Compatibility Novex™ Midi Gels, Novex™ Mini Gels, Novex™Tris-Glycine Gels, NuPAGE™ Bis-Tris Gels, NuPAGE™ Gels, NuPAGE™ MES Gels, NuPAGE™ MOPS Gels, NuPAGE™ Tris-Acetate Gels, Precise™ Tris-Glycine Gels, SDS-PAGE Gels, Precise™ Tris-HEPES Gels
Product Line iBright
2

Invitrogen™ NativeMark™ Unstained Protein Standard

Ready-to-use protein standard designed for molecular weight estimation of proteins using native gel electrophoresis

EDGE ENCOMPASS_PREFERRED
3

Invitrogen™ MagicMark™ XP Western Protein Standard

Specifically designed for easy and convenient protein molecular weight estimation directly on Western blots

EDGE ENCOMPASS_PREFERRED
Shipping Condition Dry Ice
Number of Markers 9
Molecular Weight (g/mol) 220, 120, 100, 80, 60, 50, 40, 30, 20 kDa
Ready to Load Yes
Stain Type Unstained
System Type Western Blotting, SDS-PAGE
Size Range 20 to 220 kDa
Product Line MagicMark
Detection Method User defined detection system
4

Invitrogen™ SeeBlue™ Pre-stained Protein Standard

Allows you to easily monitor the progress of your gel run and is an excellent tool for judging Western transfer efficiency.

EDGE ENCOMPASS_PREFERRED
5

Invitrogen™ Protein Molecular Weight Standards (broad range)

Include 11 proteins from 6500 to 205,000 daltons

EDGE ENCOMPASS_PREFERRED
6

Invitrogen™ BenchMark™ Pre-stained Protein Ladder

Standard used to monitor electrophoresis or electrophoretic transfer from gel to membrane in Western blots

EDGE ENCOMPASS_PREFERRED
7

Invitrogen™ HiMark™ Pre-stained Protein Standard

Designed for analysis of high molecular weight proteins on NuPAGE™ Novex™ Tris-Acetate gels

EDGE ENCOMPASS_PREFERRED
8

Invitrogen™ Mark12™ Unstained Standard

Allows the closest estimation of molecular weight of your sample protein over a wide molecular weight range.

ENCOMPASS_PREFERRED
9

Invitrogen™ NuPAGE™ Large Protein Staining Kit

Specifically designed for large protein analysis on NuPAGE Novex Tris-Acetate Gels under denaturing conditions

ENCOMPASS_PREFERRED
10

Invitrogen™ HiMark™ Unstained Protein Standard

Designed for analysis of high molecular weight proteins on Novex™ NuPAGE™ Tris-Acetate Gels

ENCOMPASS_PREFERRED
11

Invitrogen™ BenchMark™ Protein Ladder

Molecular weight standard for SDS-PAGE

ENCOMPASS_PREFERRED
12

Invitrogen™ BenchMark™ Fluorescent Protein Standard

Consists of fluorescent dye-conjugated proteins, ranging in size from approx. 11-155kDa

ENCOMPASS_PREFERRED
13

Invitrogen™ NuPAGE™ Large Protein Sensitive Staining Kit

Specifically designed for large protein analysis on NuPAGE Novex Tris-Acetate Gels under denaturing conditions

ENCOMPASS_PREFERRED
14

Invitrogen™ E-PAGE™ SeeBlue™ Pre-stained Standard

Designed for use with pre-cast E-PAGE™ Electrophoresis System

ENCOMPASS_PREFERRED
15

Invitrogen™ BenchMark™ His-tagged Protein Standard

Used as a positive control and for molecular weight sizing in his-tagged fusion protein detection

ENCOMPASS_PREFERRED