LabExact
Ultra Purity Cotton Dried Blood Spot Card, Alpha Cotton Linter, 3x4 inch, DNA/RNA Analysis, 50/pk SKU: LE-DBSV1-002

Featuring high-purity alpha cotton linter technology optimized for Guthrie test blood collection and biomarker analysis applications. High purity alpha cotton linter absorbent filter paper specifically formulated to yield a stable DNA, RNA and protein biomarker matrix for quantitative analysis. This specialized cellulose matrix delivers exceptional absorption uniformity and formation consistency, providing reliable specimen preservation for genetic screening, metabolic disorder detection, and quantitative bioanalysis protocols.

Key Alpha Cotton Linter Membrane Characteristics

• Ultra-pure alpha cotton linter construction eliminates chemical contaminants that could interfere with DNA/RNA extraction and amplification
• Surface texture, absorption rate and formation have been optimized for the Guthrie test ensuring consistent blood distribution patterns
• 180g/m² basis weight provides optimal blood retention capacity while maintaining structural integrity during processing
• 0.44-0.47mm caliper thickness delivers uniform sample depth for reproducible punch-to-elute extraction techniques
• 120-135mm/10 min migration distance demonstrates controlled wicking properties preventing overspreading or undersaturation

Key Construction Characteristics

• 3x4 inch card dimensions accommodate multiple sample spots while fitting standard laboratory processing workflows
• Formation is highly uniform and free from density irregularities ensuring consistent analytical results across the entire collection surface
• Paper punches cleanly demonstrating minimal extraneous fibers reducing contamination risk during laboratory sample preparation
• Nonsterile research-grade specification maintains cost effectiveness for high-volume screening applications
• Room temperature storage stability eliminates cold chain requirements during transport and archival storage

LE-DBSV1-002 cards achieve exceptional biomarker stability for phenylalanine, phenylpyruvate, and phenyllactate in blood or urine. Guthrie test is used to screen newborn infants for phenylketonuria (PKU) and genetic disorder detection programs. Outstanding direct elution compatibility accelerates your automated sample handling workflows while meets or exceeds results obtained using conventional manual extraction methodology in comparison to known competitive commercial equivalents. Research-only designation provides flexible platform development for diagnostic device incorporation, biomarker discovery studies, and population screening initiatives requiring validated specimen collection matrices.

Dimensions

3in x 4in

Material

Cotton

Pack Count

50

Sterility

Nonsterile

Weight

0.9