Intersection · Analytics × LOD & LOQ

Analytics topics tagged LOD & LOQ

Topics in Analytics carrying the tag LOD & LOQ. Limits of detection and quantitation.

41 topics

Topic	Participants	Replies	Views	Activity
What I would want from a home test that does not exist yet ELISA documentation quality LOD & LOQ Solved Pinned The question in the title: What I would want from a home test that does not exist yet I will give what I have already checked below so nobody repeats it. Two reports on the same lot, and I would like help…	+46	50	8k	6h
Reading a home test result without over-claiming ELISA documentation quality LOD & LOQ third-party testing Reading a home test result without over-claiming — setting out what I have, and where I think it stops being reliable. Collecting what is known about reading a home test result in one place, because it is…	+124	137	19k	7h
Coming back to: Lateral-flow and colorimetric approaches: the specificity problem third-party testing LOD & LOQ documentation quality ELISA Solved On the subject in the title: Lateral-flow and colorimetric approaches: the specificity problem Working notes rather than a conclusion. Lateral-flow and colorimetric approaches — I have the observation and I…	+77	89	16k	9h
What consumer-accessible tests can and cannot determine — a second dataset ELISA LOD & LOQ third-party testing documentation quality Solved What consumer-accessible tests can and cannot determine — a second dataset I have a specific reason for asking rather than idle curiosity, and the context is below. Posting a small dataset on…	+117	131	45k	10h
Cost versus information: making the trade-off explicitly LOD & LOQ third-party testing ELISA documentation quality Cost versus information: making the trade-off explicitly Writing it up because I had to work it out twice and would rather nobody else did. Asking about cost versus information directly, because I have read…	+2	6	12k	11h
A comparison of home results against a laboratory result on the same vial — does this still hold? ELISA third-party testing LOD & LOQ documentation quality Solved A comparison of home results against a laboratory result on the same vial — does this still hold? I have a specific reason for asking rather than idle curiosity, and the context is below. Comparison of home…	+2	6	15k	11h
Reflectance and photometric devices: precision in practice — a second dataset ELISA LOD & LOQ documentation quality Reflectance and photometric devices: precision in practice — a second dataset — setting out what I have, and where I think it stops being reliable. Posting a small dataset on Reflectance and photometric…	+75	82	17k	12h
Revisiting: Spike-and-recover accuracy for a peptide assay LOD & LOQ system suitability stability-indicating method linearity Revisiting: Spike-and-recover accuracy for a peptide assay — setting out what I have, and where I think it stops being reliable. I was wrong about Spike-and-recover accuracy in a thread last spring and I…		2	6.8k	21h
What I would want from a home test that does not exist yet — what changed since third-party testing LOD & LOQ documentation quality ELISA Solved Asking directly, because I could not find a straight answer: What I would want from a home test that does not exist yet — what changed since Two reports on the same lot, and I would like help deciding whether…	+101	111	1.9k	21h
What a simple presence test is genuinely useful for documentation quality ELISA third-party testing LOD & LOQ Solved What a simple presence test is genuinely useful for — that is the question, and I have not found it answered plainly anywhere I have looked. Trying to work out what would count as evidence on simple presence…		2	58	1d
Revisiting: Can a home kit substitute for a laboratory report? A careful no ELISA LOD & LOQ documentation quality third-party testing Revisiting: Can a home kit substitute for a laboratory report? A careful no — setting out what I have, and where I think it stops being reliable. I would like to disagree carefully with the settled view on…	+50	56	9.8k	1d
Specificity, linearity, accuracy, precision, range, robustness — with real criteria precision & repeatability LOD & LOQ linearity Specificity, linearity, accuracy, precision, range, robustness — with real criteria Writing it up because I had to work it out twice and would rather nobody else did. Trying to establish the boundary…	+44	48	12k	1d
Validating a method you did not develop precision & repeatability recovery linearity stability-indicating method On the subject in the title: Validating a method you did not develop Working notes rather than a conclusion. What changes if the standard account of validating a method is wrong? I ask because I have been…	+10	14	15k	3mo
Sample handling between despatch and injection stability-indicating method LOD & LOQ linearity precision & repeatability Sample handling between despatch and injection Writing it up because I had to work it out twice and would rather nobody else did. Trying to work out what would count as evidence on sample handling between…	+63	68	2.4k	3mo
Second pass at: Robustness: the parameters worth deliberately varying linearity LOD & LOQ recovery system suitability On the subject in the title: Second pass at: Robustness: the parameters worth deliberately varying Working notes rather than a conclusion. Something about Robustness does not reconcile and I would like a…	+61	66	9.5k	3mo
Spike-and-recover accuracy for a peptide assay linearity system suitability stability-indicating method LOD & LOQ Wiki Posting this under the heading it deserves: Spike-and-recover accuracy for a peptide assay Everything below is what sits behind that. Asking about spike-and-recover accuracy on behalf of the question I keep…	+121	126	1.5k	4mo
About the Method validation category stability-indicating method linearity LOD & LOQ Pinned Wiki Specificity, linearity, precision, accuracy, robustness, system suitability, and why two labs disagree. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is…	+1	5	468	5mo
Why one laboratory's 98.4% and another's 96.1% may not contradict — one year on LOD & LOQ system suitability linearity stability-indicating method Asking directly, because I could not find a straight answer: Why one laboratory's 98.4% and another's 96.1% may not contradict — one year on Posting the method first, because I know what the first three…	+10	14	13k	5mo
Can a home kit substitute for a laboratory report? A careful no third-party testing documentation quality LOD & LOQ ELISA Solved Asking directly, because I could not find a straight answer: Can a home kit substitute for a laboratory report? A careful no I would like to disagree carefully with the settled view on home kit substitute,…	+122	131	1.7k	5mo
Reading a home test result without over-claiming — what changed since third-party testing documentation quality LOD & LOQ ELISA Pinned Closed On the subject in the title: Reading a home test result without over-claiming — what changed since Working notes rather than a conclusion. What changes if the standard account of Reading a home test result is…		2	12k	6mo
Revisiting: Sample handling between despatch and injection recovery precision & repeatability linearity LOD & LOQ Posting this under the heading it deserves: Revisiting: Sample handling between despatch and injection Everything below is what sits behind that. Reading back through what has been written here about Sample…	+5	9	1.1k	6mo
Specificity, linearity, accuracy, precision, range, robustness — with real criteria — a second dataset linearity LOD & LOQ recovery Closed On the subject in the title: Specificity, linearity, accuracy, precision, range, robustness — with real criteria — a second dataset Working notes rather than a conclusion. Posting a small dataset on…	+53	58	7.5k	6mo
What a stability-indicating method is and how you demonstrate one linearity precision & repeatability LOD & LOQ Asking directly, because I could not find a straight answer: What a stability-indicating method is and how you demonstrate one Posting a small dataset on stability-indicating method. It is mine, it is…		4	57k	6mo
Why one laboratory's 98.4% and another's 96.1% may not contradict stability-indicating method LOD & LOQ linearity Solved Wiki Why one laboratory's 98.4% and another's 96.1% may not contradict I have a specific reason for asking rather than idle curiosity, and the context is below. Posting the method first, because I know what the…	+28	37	457	7mo
An inter-laboratory comparison on one lot, tabulated — what changed since stability-indicating method LOD & LOQ system suitability precision & repeatability An inter-laboratory comparison on one lot, tabulated — what changed since — setting out what I have, and where I think it stops being reliable. What changes if the standard account of inter-laboratory…	+24	28	3.3k	7mo
LOD and LOQ: definitions people get wrong precision & repeatability recovery stability-indicating method linearity Closed LOD and LOQ: definitions people get wrong — setting out what I have, and where I think it stops being reliable. What changes if the standard account of LOD and LOQ is wrong? I ask because I have been treating…		2	43k	8mo
Coming back to: Why quantitation is the hard part, not detection third-party testing documentation quality ELISA LOD & LOQ Why quantitation is the hard part, not detection — that is the question, and I have not found it answered plainly anywhere I have looked. Collecting what is known about quantitation in one place, because it…	+86	92	54k	8mo
Lateral-flow and colorimetric approaches: the specificity problem LOD & LOQ documentation quality ELISA Lateral-flow and colorimetric approaches: the specificity problem — setting out what I have, and where I think it stops being reliable. Lateral-flow and colorimetric approaches, and specifically the version…		2	4k	9mo
An inter-laboratory comparison on one lot, tabulated linearity LOD & LOQ precision & repeatability system suitability Closed On the subject in the title: An inter-laboratory comparison on one lot, tabulated Working notes rather than a conclusion. Collecting what is known about inter-laboratory comparison in one place, because it is…		3	17k	10mo
Second pass at: LOD and LOQ: definitions people get wrong recovery precision & repeatability linearity LOD & LOQ Posting this under the heading it deserves: Second pass at: LOD and LOQ: definitions people get wrong Everything below is what sits behind that. Something about LOD and LOQ does not reconcile and I would like…	+47	51	40k	10mo

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