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Record W1964528207 · doi:10.1051/medsci/2007231s31

Imagerie MALDI

2007· review· fr· W1964528207 on OpenAlex

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.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

Venuemédecine/sciences · 2007
Typereview
Languagefr
FieldChemistry
TopicMass Spectrometry Techniques and Applications
Canadian institutionsUniversité de Sherbrooke
Fundersnot available
KeywordsMolecular biologyPhysicsHumanitiesChemistryBiologyPhilosophy

Abstract

fetched live from OpenAlex

Within the growing field of proteomics, mass spectrometry is now established as a powerful tool for peptide and protein identification and discovery from purified samples. A new era is now beginning, with the development of MALDI imaging, maintaining the sensitivity and efficacy of both discovery and identification while additionally preserving the anatomical integrity of biomolecules like peptides, proteins, oligonucleotides and lipids within tissues. Crucial developments for sample preparations have made leaps and bounds, as it is now possible to work with freezed conserved biopsies (- 80 degrees c) of more than 6 months or even conserved after paraformaldehyde fixation and paraffin embedding. The latter development has opened the door to archived tissues in hospital libraries and biomarkers hunting from tissues derived from these libraries are now a key objective. The relationship between MALDI imaging and immunocytochemistry used by the pathologist is important. The development of specific MALDI imaging using probes with a tag (peptide or organic) called << Tag-Mass >> adds a whole new perspective. It is possible henceforth to localize a protein with its specific mRNA and more specifically, with its signalling pathway on the same sections or within a pathology expression phenotype from a biopsy. Development of such a technology is similar to the one that occurred several years ago for nuclear magnetic resonance (NMR) that leads the development of imaging technologies called MRI in hospital which is intensively used for pathology diagnostics.

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)0.002
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Insufficient payload (model declined to judge)
Consensus categoriesInsufficient payload (model declined to judge)
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: none
GenreCandidate signal: Review · Consensus signal: Review
Teacher disagreement score0.965
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0020.000
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0000.003
Science and technology studies0.0010.002
Scholarly communication0.0000.000
Open science0.0020.000
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0610.002

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 head0.076
GPT teacher head0.383
Teacher spread0.307 · 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