Overview
Adenosine Di/Triphosphate Solution is a prepared mixture of ADP and ATP, nucleotides essential for cellular energy transfer. ATP serves as the primary energy currency in cells, while ADP is its dephosphorylated form. The solution is commonly standardized for laboratory and industrial use, ensuring consistency in research and diagnostic applications. This reagent is pivotal in studying biochemical pathways, particularly those involving kinases, ATPases, and metabolic enzymes. Its stability and purity are critical for reproducible results, making supplier selection a key consideration for B2B buyers.
Physical and Chemical Properties
The solution typically appears clear and colorless, with slight yellowing indicating degradation. It is water-based, often buffered to maintain pH (e.g., Tris or HEPES). ATP strongly absorbs UV light at 259 nm, a property used for concentration verification. ADP/ATP molecules are heat-labile and prone to hydrolysis. The solution’s shelf life depends on storage conditions; freezing at -20°C with minimal thawing is recommended. Additives like magnesium salts may be included to stabilize the nucleotides.
Main Applications
In research, the solution fuels ATP-dependent reactions, such as PCR and luciferase assays. It’s also used to study mitochondrial function and apoptosis. Diagnostic labs employ it in kits measuring cellular energy status or kinase activity. Industrially, ADP/ATP solutions monitor microbial contamination (e.g., hygiene testing in food/pharma). Their role in energy metabolism makes them valuable for drug development targeting metabolic disorders or cancer.
Safety and Storage
Though non-hazardous, the solution should be handled with gloves to prevent nuclease contamination. Avoid freeze-thaw cycles by aliquoting. Degraded ATP (increased ADP/AMP levels) can skew experimental results; verify purity via HPLC if stored long-term. Suppliers often provide certificates of analysis (CoA) detailing concentration, pH, and absence of DNase/RNase. For critical applications, request endotoxin testing (<0.1 EU/mL).
B2B Procurement Guide
Bulk buyers should prioritize suppliers with ISO 13485 certification for diagnostic-grade solutions. Specify requirements: concentration (e.g., 100 mM), buffer type, and purity (≥95% by HPLC). Custom formulations (e.g., with stabilizers) are available for specialized uses. Pricing depends on volume and grade (research vs. GMP). Consider lyophilized ATP/ADP for reduced shipping costs, though reconstitution stability must be validated. Audit suppliers for cold-chain logistics compliance.
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