ReadyStrip™ IPG Strips

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Overview

Specifications

ReadyStrip™ IPG Strips

Dimensions 7 cm 11 cm 17 cm 18 cm
Strip length 7.9 cm 11.8 cm 17.8 cm 19.0 cm
Gel length 7.3 cm 11.0 cm 17.1 cm 18.0 cm
Strip width 3.3 mm 3.3 mm 3.3 mm 3.3 mm
Gel thickness 0.5 mm 0.5 mm 0.5 mm 0.5 mm
Linear pH gradient ranges
Standard 3–10, 4–7, 3–10 NL* 3–10, 4–7, 3–10 NL* 3–10, 4–7, 3–10 NL* 3–10, 4–7, 3–10 NL*
Narrow 3–6, 5–8, 7–10 3–6, 5–8, 7–10 3–6, 5–8, 7–10 3–6, 5–8, 7–10
Micro 3.9–5.1
4.7–5.9
5.5–6.7
6.3–8.3
3.9–5.1
4.7–5.9
5.5–6.7
6.3–8.3
3.9–5.1
4.7–5.9
5.5–6.7
6.3–8.3
3.9–5.1
4.7–5.9
5.5–6.7
6.3–8.3
Gel composition 4%T/3%C 4%T/3%C 4%T/3%C 4%T/3%C

* Nonlinear gradient

Relative Focusing Power of IPG Strips

Relative focusing power expresses the enhanced resolution expected in the first dimension when using IPG strips of different lengths or pH ranges. The 7 cm pH 3–10 IPG strip is arbitrarily assigned a baseline focusing power of 1.0 in order to calculate the relative focusing powers of the other strips.

The calculations are done as follows:

  • When two strips have the same pH range but differ in length — the ratio of the strip lengths gives the relative focusing power of the longer strip. Thus, compared to a 7 cm pH 3–10 strip, the 11 cm pH 3–10 strip has a relative focusing power of 11 cm/7 cm = 1.6
  • When two strips have the same length but differ in pH range — the ratio of the pH ranges (in number of pH units) gives the relative focusing power of the strip with the smaller range. Thus, compared to a 7 cm pH 3–10 strip, the 7 cm pH 5–8 strip has a relative focusing power of (7 pH units)/(3 pH units) = 2.3

 

Narrow Range Strips

Narrow-range strips provide an increase in resolution. As illustrated in figures A–D below, three overlapping narrow-range strips can dramatically expand the region for analysis. This narrow-range advantage is illustrated with 7, 11, and 7 cm strips below but applies to 18 and 24 cm strips as well.


Initial screening of complex samples is simplified. Figures A–C, series of overlapping narrow pH-range ReadyStrip™ IPG strips enhance and increase resolution by creating overlapping data equivalent to 40 cm of pI separation across the entire pH 3–10 range (Figure D). In combination with the ReadyPrep sequential extraction kit for fractionating samples by solubility, this significantly increases your resolving power and allows definition of proteins not visible by traditional methods. Data provided by Proteome Systems, Ltd.
Micro-Range Strips

Micro-range IPG strips enable the highest resolution available for IPG strips. The micro-range strips cover as small a range as 1 pH unit. These are particularly well suited for resolving different isoforms of the same protein.


E. coli lysate sample from the ReadyPrep™ 2-D starter kit separated on Bio-Rad's micro-range IPG strips on 8–16% handcast gels in the PROTEAN® Plus Dodeca™ cell.
Increased Resolving Power

Increase in resolving power in the first dimension with overlapping pH range IPG strips. E coli lysate (40 µl per gel) was run on 11 cm overlapping narrow pH range ReadyStrip IPG strips and focused for 20,000 V-hr. The strips were then transferred to 8–16% Tris-HCI Criterion precast gels for the second dimension run. The gels were strained with colloidal Coomassie Blue stain. More proteins were detected on the three overlapping gels than on the single 3–10 pH range gel. Note the improved resolution of proteins in the circled areas.

2-D Video Tutorial

IPG strips simplify first-dimension separations by immobilizing the pH gradient on an easy-to-handle support strip. ReadyStrip™ IPG strips are cast using high-purity IPG monomers and are thoroughly tested for quality and performance to deliver gel-to-gel reproducibility. ReadyStrip IPG strips, available in a wide selection of pH gradients and strip lengths from 7 to 24 cm, fit Bio-Rad vertical electrophoresis cells and gels.

Design Features

  • Stringent gel length tolerances of ±2 mm for consistent pI separations
  • Anode and pH range clearly printed on each strip, with bar coding on 24 cm strips
  • Consistent backing lengths on both ends for self-centering on second-dimension gels without trimming

Gradient Selection

  • Standard broad-range pH gradients for maximum resolution of total protein on a single gel
  • Narrow-range gradients for greater resolution with more cm gel/pH unit over a full pH 3–10 range
  • Micro-range gradients for the ultimate in resolution — zoom in on an area of interest or fine-map an entire proteome; strips are carefully designed with sufficient overlap to allow spot matching while limiting the extent of redundant data
  • Comprehensive offering increases resolving power in the first dimension with overlapping pH ranges

Relative Focusing Power

Relative focusing power describes the enhanced resolution expected in the first dimension when using IPG strips of different lengths or pH ranges. A 7 cm pH 3–10 IPG strip is arbitrarily assigned a baseline focusing power of 1.0 in order to calculate the relative focusing power of the other strips, as shown here.

Narrow-Range Strips

Narrow-range strips provide an increase in resolution. As illustrated in figures A–D, three overlapping narrow-range strips can dramatically expand the region for analysis.

Micro-Range Strips

Micro-range IPG strips enable the highest resolution available for IPG strips. The micro-range strips cover as small a range as 1 pH unit. These are particularly well suited for resolving different isoforms of the same protein.

ReadyStrip™ IPG Strips

163-2000
Pkg of 12, 7 cm, pH 3–10, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $93.00
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ReadyStrip™ IPG Strips

163-2001
Pkg of 12, 7 cm, pH 4–7, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $93.00
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ReadyStrip™ IPG Strips

163-2002
Pkg of 12, 7 cm, pH 3–10 nonlinear, immobilized pH gradient (IPG) strips for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $93.00
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ReadyStrip™ IPG Strips

163-2003
Pkg of 12, 7 cm, pH 3–6, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $93.00
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ReadyStrip™ IPG Strips

163-2004
Pkg of 12, 7 cm, pH 5–8, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $93.00
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ReadyStrip™ IPG Strips

163-2005
Pkg of 12, 7 cm, pH 7–10, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $93.00
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ReadyStrip™ IPG Strips

163-2028
Pkg of 12, 7 cm, pH 3.9–5.1, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $93.00
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ReadyStrip™ IPG Strips

163-2029
Pkg of 12, 7 cm, pH 4.7–5.9, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

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ReadyStrip™ IPG Strips

163-2030
Pkg of 12, 7 cm, pH 5.5–6.7, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $93.00
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ReadyStrip™ IPG Strips

163-2031
Pkg of 12, 7 cm, pH 6.3–8.3, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

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ReadyStrip™ IPG Strips

163-2014
Pkg of 12, 11 cm, pH 3–10, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $115.00
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ReadyStrip™ IPG Strips

163-2015
Pkg of 12, 11 cm, pH 4–7, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $110.00
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ReadyStrip™ IPG Strips

163-2016
Pkg of 12, 11 cm, pH 3–10 nonlinear, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $110.00
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ReadyStrip™ IPG Strips

163-2017
Pkg of 12, 11 cm, pH 3–6, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $110.00
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ReadyStrip™ IPG Strips

163-2018
Pkg of 12, 11 cm, pH 5–8, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $110.00
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ReadyStrip™ IPG Strips

163-2019
Pkg of 12, 11 cm, pH 7–10, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

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ReadyStrip™ IPG Strips

163-2024
Pkg of 12, 11 cm, pH 3.9–5.1, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $110.00
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ReadyStrip™ IPG Strips

163-2025
Pkg of 12, 11 cm, pH 4.7–5.9, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

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ReadyStrip™ IPG Strips

163-2026
Pkg of 12, 11 cm, pH 5.5–6.7, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

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ReadyStrip™ IPG Strips

163-2027
Pkg of 12, 11 cm, pH 6.3–8.3, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

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ReadyStrip™ IPG Strips

163-2007
Pkg of 12, 17 cm, pH 3–10, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $126.00
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ReadyStrip™ IPG Strips

163-2008
Pkg of 12, 17 cm, pH 4–7, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $126.00
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ReadyStrip™ IPG Strips

163-2009
Pkg of 12, 17 cm, pH 3–10 nonlinear, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $126.00
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ReadyStrip™ IPG Strips

163-2010
Pkg of 12, 17 cm, pH 3–6, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $126.00
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ReadyStrip™ IPG Strips

163-2011
Pkg of 12, 17 cm, pH 5–8, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $126.00
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ReadyStrip™ IPG Strips

163-2012
Pkg of 12, 17 cm, pH 7–10, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $126.00
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ReadyStrip™ IPG Strips

163-2020
Pkg of 12, 17 cm, pH 3.9–5.1, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $126.00
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ReadyStrip™ IPG Strips

163-2021
Pkg of 12, 17 cm, pH 4.7–5.9, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $126.00
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ReadyStrip™ IPG Strips

163-2022
Pkg of 12, 17 cm, pH 5.5–6.7, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $126.00
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ReadyStrip™ IPG Strips

163-2023
Pkg of 12, 17 cm, pH 6.3–8.3, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

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ReadyStrip™ IPG Strips

163-2032
Pkg of 12, 18 cm, pH 3–10, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $126.00
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ReadyStrip™ IPG Strips

163-2033
Pkg of 12, 18 cm, pH 3–10 nonlinear, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $126.00
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ReadyStrip™ IPG Strips

163-2034
Pkg of 12, 18 cm, pH 4–7, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

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ReadyStrip™ IPG Strips

163-2035
Pkg of 12, 18 cm, pH 3–6, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

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ReadyStrip™ IPG Strips

163-2036
Pkg of 12, 18 cm, pH 5–8, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $126.00
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ReadyStrip™ IPG Strips

163-2037
Pkg of 12, 18 cm, pH 7–10, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $126.00
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ReadyStrip™ IPG Strips

163-2038
Pkg of 12, 18 cm, pH 3.9–5.1, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $126.00
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ReadyStrip™ IPG Strips

163-2039
Pkg of 12, 18 cm, pH 4.7–5.9, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $126.00
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ReadyStrip™ IPG Strips

163-2040
Pkg of 12, 18 cm, pH 5.5–6.7, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

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ReadyStrip™ IPG Strips

163-2041
Pkg of 12, 18 cm, pH 6.3–8.3, immobilized pH gradient (IPG) strip for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

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ReadyStrip™ IPG Strips

163-2042
Pkg of 12, 24 cm, pH 3–10, immobilized pH gradient (IPG) strip with barcode for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $152.00
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ReadyStrip™ IPG Strips

163-2043
Pkg of 12, 24 cm, pH 3–10, nonlinear, immobilized pH gradient (IPG) strip with barcode for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $152.00
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ReadyStrip™ IPG Strips

163-2044
Pkg of 12, 24 cm, pH 4–7, immobilized pH gradient (IPG) strip with barcode for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $152.00
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ReadyStrip™ IPG Strips

163-2045
Pkg of 12, 24 cm, pH 3–6, immobilized pH gradient (IPG) strip with barcode for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $152.00
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ReadyStrip™ IPG Strips

163-2046
Pkg of 12, 24 cm, pH 5–8, immobilized pH gradient (IPG) strip with barcode for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $152.00
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ReadyStrip™ IPG Strips

163-2047
Pkg of 12, 24 cm, pH 7–10, immobilized pH gradient (IPG) strip with barcode for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $152.00
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ReadyStrip™ IPG Strips

163-2048
Pkg of 12, 24 cm, pH 3.9–5.1, immobilized pH gradient (IPG) strip with barcode for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $152.00
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ReadyStrip™ IPG Strips

163-2049
Pkg of 12, 24 cm, pH 4.7–5.9, immobilized pH gradient (IPG) strip with barcode for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

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ReadyStrip™ IPG Strips

163-2050
Pkg of 12, 24 cm, pH 5.5–6.7, immobilized pH gradient (IPG) strip with barcode for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $194.00
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ReadyStrip™ IPG Strips

163-2051
Pkg of 12, 24 cm, pH 6.3–8.3, immobilized pH gradient (IPG) strip with barcode for first-dimension separations on the PROTEAN® i12™ IEF and PROTEAN IEF systems

List Price:   $152.00
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Number Description Options
2442 ReadyStrip IPG Strip Product Information Sheet, Rev F Click to download
2621 PROTEAN Plus Dodeca Cell System Brochure, Rev C Click to download
2739 ReadyStrip IPG Strip Brochure Click to download
5353 Sample Preparation for 2-D Gel-Based Expression Proteomics of an Alzheimer's Disease Mouse Model (Poster), Rev A Click to download
6097 PROTEAN i12 IEF System Brochure, Rev A Click to download [ Add to Cart (Free) ]
6138 PROTEAN i12 IEF System: Independent Voltage and Current Control Enables Optimization of First-Dimension IEF Conditions, Rev A Click to download
6139 Versatile Separation Capabilities of the PROTEAN i12 IEF System, Rev A Click to download
6140 Use of the PROTEAN i12 IEF System for In-Gel Peptide Fractionation Prior to LC-MS and Comparison with Off-Gel Fractionation, Rev A Click to download
10022548 Instruction Manual, PROTEAN i12 IEF Cell Quick Guide, Rev A Click to download [ Add to Cart (Free) ]
4006166 Instruction Manual, ReadyStrip IPG Strip, Rev H Click to download