Description
Return ((stimulated-blank) × dilutionRatio)/(baseline-blank) and its base-two logarithm.
Immune-assay data can contain raw signals, blanks, gated event counts, dilution labels, and research thresholds. Their units and denominators differ, and arithmetic on supplied values is separate from assay validation or clinical interpretation.
Return ((stimulated-blank) × dilutionRatio)/(baseline-blank) and its base-two logarithm.
When to use this tool
Use Cytokine Fold Change Reference One Analyte when you need one transparent research-assay calculation or event-accounting check.
How to use the tool and how it works
- Enter stimulated, baseline, blank, dilutionRatio. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read correctedFold, log2Fold. Use the output convention below.
Require stimulated and baseline above blank and positive dilutionRatio. Return ((stimulated-blank) × dilutionRatio)/(baseline-blank) and its base-two logarithm.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| stimulated | Stimulated | Required. Finite number. |
| baseline | Baseline | Required. Finite number. |
| blank | Supplied background value on the same signal scale. | Required. Finite number. |
| dilutionRatio | Dilution Ratio | Required. Finite number; strictly above 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| correctedFold | Corrected Fold | Required. Finite number. |
| log2Fold | Log2 Fold | Required. Finite number. |
{
"input": {
"stimulated": 50,
"baseline": 20,
"blank": 10,
"dilutionRatio": 1
},
"output": {
"correctedFold": 4,
"log2Fold": 2
}
}Limitations and assumptions
- DilutionRatio multiplies the stimulated-to-baseline ratio; no logarithm is defined for nonpositive corrected signals, and normalization does not establish biological significance.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
- Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.
Alternative or Complementary methods
Review the complete assay protocol, calibration, controls, uncertainty, and appropriate professional interpretation.
References
Similar or alternative tools
- Assay Background Fold Reference
Return both background-corrected signals and their ratio.
- Cytokine Baseline Zero Domain
Return observation-baseline and mark foldDefined when baseline is nonzero.