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Record W4307897057 · doi:10.1021/cen-10038-scicon4

Nanoprobes spot brain cancer from a blood draw

2022· article· en· W4307897057 on OpenAlex
special to C EN Prachi Patel

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

aboutThe title or abstract carries a Canadian signal from the geographic lexicon.
no affNo Canadian affiliation: this work is invisible to an affiliation-only frame.
No Canadian affiliation. An affiliation-only frame, the usual design, would never have seen this work. It is one of the works that make the case for inverting the frame.

Bibliographic record

VenueC&EN Global Enterprise · 2022
Typearticle
Languageen
FieldBiochemistry, Genetics and Molecular Biology
TopicSpectroscopy Techniques in Biomedical and Chemical Research
Canadian institutionsnot available
Fundersnot available
KeywordsCancerMagnetic resonance imagingBrain cancerLiquid biopsyPathologyBrain biopsyMedicineRaman spectroscopyBrain tumorBiopsyBiomedical engineeringComputational biologyNanotechnologyMaterials scienceRadiologyBiologyInternal medicineOpticsPhysics

Abstract

fetched live from OpenAlex

Tumors shed DNA, proteins, other molecules, and cells into the bloodstream long before they can be spotted with techniques like magnetic resonance imaging. A new liquid biopsy approach could help diagnose brain cancer earlier by detecting those molecules in a tiny blood sample ( ACS Nano 2022, DOI: 10.1021/acsnano.2c04187 ). It relies on an ultrasensitive nanosensor that can amplify the Raman vibrational signal of cancer biomarkers present in blood at extremely low concentrations. Researchers used the method to distinguish brain tumors from other types of cancer and determine a brain tumor’s general location. “Blood tests are a lot easier and less expensive than imaging,” says Bo Tan, an engineer at Toronto Metropolitan University who led the new study. And unlike conventional biopsies of brain tissue, they would not require a surgical procedure to get a sample. But liquid-based cancer tests developed up to this point rely on amplifying small amounts

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.

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 categoriesInsufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.394
Threshold uncertainty score0.999

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 science0.0010.001
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0010.000

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 head0.005
GPT teacher head0.305
Teacher spread0.300 · 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