Coomassie Blue Reagent Features
Formulated for advanced latent print development, the Coomassie Blue Reagent provides exceptional enhancement for blood-contaminated friction ridges. Used heavily in violent crime scene processing, this pre-mixed protein stain binds selectively to biological material on both porous and non-porous surfaces. The resulting dark blue coloration maximizes visual contrast for forensic documentation. Investigators rely on this solution to recover intelligence from faintly stained or visually noisy evidence.
Engineered for high-throughput forensic environments, this ready-to-use formulation eliminates the need for complex manual powder mixing. By providing a standardized working strength, technicians ensure court-admissible enhancements with consistent batch-to-batch reliability. When incorporated into standard workflows, the specific carrier solvents promote deep penetration into the protein matrix. This creates a long-lasting, brilliant stain that resists fading during the photographic phase.
To prevent sample degradation, the evidence must be properly stabilized with a chemical blood fixative before applying this aqueous stain. Maintaining strict control over the application sequence keeps the delicate print structures securely attached to the substrate. For optimal laboratory safety, this chemical should always be applied within a certified fume hood. Technicians must utilize appropriate personal protective equipment to minimize exposure to the solvents.
Required Processing Step: For optimal background clearing and print visibility, use this primary protein stain in conjunction with the dedicated Coomassie Blue Rinse.
Available Sizes and Configurations
| SKU | Volume | Format |
|---|---|---|
| PF30092-500mL | 500 mL | Bottle |
Technical Specifications
| Specification | Detail |
|---|---|
| Product Type | Pre-Mixed Protein Stain |
| Target Material | Blood-contaminated latent prints |
| Developed Color | Dark Blue |
| Application Phase | Primary enhancement (post-fixation) |
| Preparation Requirement | Ready to use |
Laboratory Applications
For specialized forensic operations, integrating this pre-mixed dye is critical after the initial blood fixation process. Crime scene investigators rely on this step when processing challenging items like clothing, linoleum, or painted surfaces. Because it selectively adheres to the biological proteins, the formula is highly valuable when natural contrast is insufficient. Extracting usable intelligence requires a chemical wash that binds aggressively to the target evidence.
When processing blood evidence, the working solution is typically applied via complete submersion or a controlled flow method. Technicians gently wash the item with a dedicated destaining clearing solvent to remove excess background staining before air drying. Upon achieving the desired ridge contrast, the evidence is immediately photographed under standard lighting conditions. This critical documentation step ensures the capture of the highest possible resolution.
Forensic Reagent Comparison: Why Choose Rocky Mountain Reagents?
| Feature | Rocky Mountain Reagents Coomassie Blue Reagent | Typical Competitor |
|---|---|---|
| Format | Pre-mixed liquid | Requires manual powder mixing |
| Consistency | Standardized working strength | Variable batch quality |
| Pricing | Below retail pricing | Full retail |
| Ships From | USA inventory | Varies |
Academic and Institutional Pricing
LabSupplies.com offers tiered quantity pricing for academic and research institutions. As an authorized dealer, we ship directly from USA inventory.
Product Documentation
Frequently Asked Questions
What is Coomassie Blue Reagent used for?
This specialized forensic chemical is designed to enhance latent fingerprints deposited in blood. Acting as a powerful protein stain, it produces a dark blue coloration that significantly increases the contrast of friction ridges against complex porous and non-porous backgrounds for forensic photography.
Does this product need to be diluted?
No, this specific formulation is a ready-to-use working solution. Laboratories can apply this reagent directly to fixed biological evidence without the need for additional solvent mixing or dangerous dry powder handling, saving valuable crime scene processing time.
Do I need to fix the blood prints before using this?
Yes. Because this is an aqueous-based protein stain, applying it directly to unfixed blood could wash away the fragile friction ridges. You must secure the evidence using a dedicated chemical blood fixative prior to submersion or spraying.