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Record W1976349883 · doi:10.1021/ac991389f

Raman Spectroscopy As a Discovery Tool in Carbohydrate Chemistry

2000· article· en· W1976349883 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.
fundA Canadian funder is recorded on the work.

Bibliographic record

VenueAnalytical Chemistry · 2000
Typearticle
Languageen
FieldChemistry
TopicMolecular spectroscopy and chirality
Canadian institutionsUniversity of Alberta
FundersNatural Sciences and Engineering Research Council of CanadaUniversity of Alberta
KeywordsRaman spectroscopyMonosaccharideChemistryCarbohydrate chemistryAnomerGlycobiologyAnalytical Chemistry (journal)Aqueous solutionCarbohydrateChromatographyPhysical chemistryStereochemistryOrganic chemistryBiochemistryOpticsGlycan

Abstract

fetched live from OpenAlex

Raman spectra of nine anomerically stable monosaccharides have been obtained in aqueous solution in the 700-1700 cm(-1) spectral range. Good-quality spectra are obtained of solutions with concentrations as low as 10 mM and volumes as small as 15 microL. Interestingly, the Raman spectra appear to be exquisitely sensitive to the configuration of the carbon centers; unique spectra are obtained of all nine monosaccharides. The unique Raman spectral fingerprint observed for each monosaccharide, and for each anomer of each monosaccharide, suggests that Raman spectroscopy may be a useful technique for the identification and characterization of biologically relevant oligosaccharides. To test this idea, Raman spectra of three unknown disaccharides were obtained in a single-blind study. Identification of the individual monosaccharide components and their anomeric configuration was completely successful. All of these results suggest that development of Raman spectroscopy as a fast, sensitive discovery tool in glycobiology and carbohydrate chemistry is straightforward.

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 categoriesMeta-epidemiology (narrow), Insufficient 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 score0.285
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0010.000
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0430.000

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 head0.249
Teacher spread0.244 · 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