AssayIndex
Cross-section

CJC-1295 (no DAC) by laboratory

The same compound measured by different laboratories on different gradients. Where the medians differ, the question is whether the material differed or the method did — and for CJC-1295 (no DAC), with a class minimum gradient of 15 min, the method is a live explanation.

220 recordsmedian 99.09 %spec 98.0 %
LaboratoryReportsGradientMS resolutionMedian purity %Published bias (pp)Bias-adjustedMethod suitability
Janoshik8430minHigh99.11+0.0099.11ADEQUATE
PeptideMeter4428minHigh99.07-0.0599.12ADEQUATE
Medutest3225minUnit99.28+0.0899.20ADEQUATE
VendorInvestigate2832minHigh98.88-0.1198.99ADEQUATE
Kestrel1715minUnit99.67+0.2499.43ADEQUATE
Nordanalyt1535minHigh99.14+0.0299.12ADEQUATE
97.297.798.198.699.199.6100.1JanoshikJanoshik: Q1 98.67, median 99.11, Q3 99.52, n=84outlier 97.36n=84PeptideMeterPeptideMeter: Q1 98.69, median 99.07, Q3 99.41, n=44n=44MedutestMedutest: Q1 98.90, median 99.28, Q3 99.51, n=32outlier 97.41outlier 97.99n=32VendorInvestigateVendorInvestigate: Q1 98.72, median 98.88, Q3 99.02, n=28outlier 97.89outlier 97.96outlier 98.04outlier 98.07outlier 99.68outlier 99.72outlier 99.93outlier 99.93n=28NordanalytNordanalyt: Q1 99.02, median 99.14, Q3 99.31, n=15outlier 97.74outlier 98.13n=15KestrelKestrel: Q1 99.20, median 99.67, Q3 99.93, n=17outlier 97.79n=17 Purity (% area)
Figure. CJC-1295 (no DAC) purity by contributing laboratory. Any offset between rows has two possible sources — a real difference in the material each laboratory happened to receive, and the laboratory's own bias — and this figure cannot separate them. The paired analysis that can is on inter-lab agreement.