Quantitative colorimetric assay. This assay has high sensitivity and excellent specificity for detection of Heat Shock 70kDa Protein 1 Like Protein (HSPA1L). No significant cross-reactivity or interference between Heat Shock 70kDa Protein 1 Like Protein (HSPA1L) and analogues was observed. Sample types: cell culture supernatants, cell lysates, plasma, serum, tissue homogenates. Range: 1.56 - 100 ng/ml. Precision: Intra-Assay: CV<10% / Inter-Assay: CV<12%. Time: 3 hours