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Record W4392742792 · doi:10.1117/12.3002649

Fluorescent imaging cytometer for the detection of inflammation biomarkers using temporally multiplexed illumination

2024· article· en· W4392742792 on OpenAlexaff
Ziyin Wei, Xilong Yuan, Yali Gao, Lu Chen, Mianjun Wang, Nathan D. Ng, Jiahua Dou, Stewart Aitchison

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldEngineering
TopicBiosensors and Analytical Detection
Canadian institutionsUniversity of Toronto
Fundersnot available
KeywordsMultiplexingFluorescencePoint of careImmunoassayBiomarkerBiomedical engineeringMedicineComputer scienceChemistryPathologyOpticsImmunologyPhysics

Abstract

fetched live from OpenAlex

In this study, we present a fluorescence imaging cytometer capable of detecting multiple biomarkers using temporally multiplexed illumination. We independently illuminated the classification and quantitative detection channels using multiwavelength LEDs. To quantify the biomarker concentrations, we employed a sandwich immunoassay with Cy5 dye, while the microbeads were internally dyed with three different intensity levels of quantum dots to distinguish among the three cytokines. We conducted separate tests with three cytokines, namely IFN-α, IL-5, and IL-6, at varying concentrations. The detection ranges for these cytokines were determined to be 10 pg/ml-2500 pg/ml, 30 pg/ml-2500 pg/ml, and 30 pg/ml-2500 pg/ml, respectively. The results of the multiplexed experiment, show that our device can independently detect three different biomarkers in a single assay. This validation demonstrates that our device has potential in diagnosing sepsis and other diseases requiring various laboratory results. With further refinement and development, our device holds great promise for enhancing point-of-care medical services.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.744
Threshold uncertainty score0.214

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.014
GPT teacher head0.238
Teacher spread0.225 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designBench or experimental
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2024
Admission routes1
Has abstractyes

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