Applications for the Odyssey Imaging System
APPLICATIONS for the

ODYSSEY® CLx

Applications for the Odyssey CLx Infrared Imaging System

GLYCOPROTEIN DETECTION

Array Analysis

Description:

Comparative analysis for glycoproteins can be performed using the lectin based GlycoArray Kit (Qiagen, #37702).

Detection Cartoon: 

The Qproteome™ GlycoArray Kit allows for four modes of detection

1. Labeled glycoprotein

Slide 22

2. Labeled streptavidin for biotinylated proteins

Slide 23

3. Labeled glycoprotein primary antibodies

Slide 24

4. Labeled secondary antibodies.

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legend

Odyssey Data:

Slide 26

The GlycoArray contains lectins with various glycoprotein specificities (left).Each slide contains two replicated blocks of lectins. Each block has 12 squares containing nine spotted lectins in a 3 x 3 pattern. A single lectin is replicated three times in each square. The kit includes analysis software for determination of the type of glycoprotein interactions. The analysis gives structural characteristics for each glycoprotein (i.e. type of N-linked branching). The kit is not made for quantitative determination of glycoprotein content in sample, but better suited for comparative analyzes.

Slide 27

The GlycoArray slides were processed using the Qiagen protocol substituting IRDye labeled conjugates for visible probes. Purified lactoferrin was added to the Lactoferrin Positive slide—200 nM lactoferrin.  Water was used in the negative control slide. Rabbit anti-lactoferrin primary antibody was then added, followed by IRDye® 800CW goat anti-rabbit.  The slides were scanned at 21 μm on an Odyssey® Infrared Imaging System (left).

 

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