CheKine™ Micro Protein Carbonyl Assay Kit: Your Buyer's Guide for Oxidative Damage Detection

The 30-Second Verdict
Protein carbonylation is one of the most widely used markers of oxidative protein damage. Abbkine's CheKine™ Micro Protein Carbonyl Assay Kit (KTB1200) provides a simple, sensitive, and quantitative method for measuring protein carbonyl content in a variety of biological samples—from tissues and cells to serum and plasma.
Pros
✅ Gold-standard oxidative stress marker — protein carbonyls are irreversible products of ROS-mediated protein oxidation
✅ Broad sample compatibility — tissues, cells, serum, plasma, and other biological fluids
✅ Colorimetric detection — measures DNPH derivatization at 370 nm
✅ Microscale format — minimizes precious sample consumption
✅ Simple protocol — streamlined workflow with detailed instructions
✅ Cost-effective — excellent value for routine oxidative stress screening
Cons
❌ Requires -20°C storage for some components
❌ Not for clinical diagnosis (research use only)
❌ Hemolyzed samples may interfere with readings
Who Should Buy This Kit?
Ideal for:
- Researchers studying aging and age-related diseases
- Scientists investigating neurodegenerative disorders (Alzheimer's, Parkinson's)
- Cardiovascular researchers tracking oxidative damage
- Diabetes and metabolic syndrome researchers
- Environmental toxicologists assessing pollutant-induced oxidative stress
- Labs screening antioxidant compounds or natural products
Skip this if:
- You lack a spectrophotometer or microplate reader with 370 nm capability
- You need real-time oxidative stress monitoring (use ROS probes instead)
How It Works
The kit is based on the reaction of carbonyl groups with 2,4-dinitrophenylhydrazine (DNPH) to form protein-bound hydrazones, which are quantified spectrophotometrically at 370 nm. The carbonyl content is calculated using a molar extinction coefficient, providing a quantitative measure of oxidative protein damage.
Why Protein Carbonyls Matter
Unlike many oxidative stress markers that are transient or prone to artifactual generation during sample processing, protein carbonyls are stable, irreversible modifications that provide a reliable snapshot of cumulative oxidative damage. They are elevated in numerous pathological conditions, including:
- Atherosclerosis — oxidized LDL and vascular damage
- Neurodegeneration — protein aggregation and neuronal loss
- Diabetes — advanced glycation end-product formation
- Aging — accumulation of damaged proteins over time
- Cancer — oxidative stress in tumor microenvironments
The Bottom Line
For researchers needing a reliable, reproducible, and well-established oxidative stress marker, KTB1200 delivers the performance you expect from a premium assay at a fraction of the cost.
👉 Quantify protein carbonyls with precision. View Product