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Record W2039423729 · doi:10.1039/b100141h

A capillary zone electrophoretic method for the study of formation of a covalent conjugate between microcystin LR and protein phosphatase 2A

2001· article· en· W2039423729 on OpenAlexaff
Shen Hu, Paul C. H. Li

Bibliographic record

VenueThe Analyst · 2001
Typearticle
Languageen
FieldEnvironmental Science
TopicAquatic Ecosystems and Phytoplankton Dynamics
Canadian institutionsSimon Fraser University
FundersUniversity of Hong KongCity University of Hong Kong
KeywordsCapillary electrophoresisConjugateChemistryChromatographyIonic strengthMicrocystinElectrophoresisPhosphataseEnzymeAqueous solutionBiochemistryBiology

Abstract

fetched live from OpenAlex

The study of conjugate formation between microcystin (MCYST)-LR and protein phosphatase (PP) 2A, which was isolated from bovine kidney and mouse brain, was achieved by using a highly efficient capillary zone electrophoretic (CZE) separation method. The MCYST-LR-PP2A conjugate (from bovine kidney) was resolved from its precursor after just 15 min of incubation. Moreover, the migration time, and, hence, the total analysis time, was less than 5 min. While the present findings of the time lag between conjugate formation and full inhibition are not novel, the CZE method does provide an alternative tool to HPLC with a higher separation efficiency to yield data for kinetic and mechanistic studies of the enzyme-toxin interaction. The CZE data reported here were found not to be adequately described by a first-order kinetic model. Moreover, the CZE method, which involves the use of a low ionic strength aqueous buffer, does not suffer from the drawback of the use of denaturing organic solvents such as those used in HPLC.

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)0.001
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: Simulation or modeling · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.691
Threshold uncertainty score0.389

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
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 head0.013
GPT teacher head0.255
Teacher spread0.242 · 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 designSimulation or modeling
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

Citations5
Published2001
Admission routes1
Has abstractyes

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