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Record W2115013455 · doi:10.5539/mas.v6n3p81

Immobilization of a-Amylase from Locale Bacteria Isolate Bacillus subtilis ITBCCB148 with Carboxymethyl Cellulose (CM-Cellulose)

2012· article· en· W2115013455 on OpenAlexvenueno aff
Yandri Yandri, Devi Yuni Susanti, Tati Suhartati, Sutopo Hadi

Bibliographic record

VenueModern Applied Science · 2012
Typearticle
Languageen
FieldBiochemistry, Genetics and Molecular Biology
TopicEnzyme Production and Characterization
Canadian institutionsnot available
FundersDirektorat Jenderal Pendidikan Tinggi
KeywordsCarboxymethyl celluloseCelluloseChromatographyChemistryBacillus subtilisSize-exclusion chromatographySephadexThermal stabilityAmylaseAmmoniumEnzymeColumn chromatographyIon chromatographyIon exchangeBiochemistrySodiumBacteriaOrganic chemistryBiologyIon

Abstract

fetched live from OpenAlex

This paper describes the stability increase of a-amylase obtained from Bacillus subtilis ITBCCB 148 by immobilization process using carboxymethyl cellulose (CM-Cellulose) as the immobile matrix. To achieve this aim the enzyme was purified by the following steps: fractionation with ammonium sulphate, dialysis, ion exchange column chromatography with CM-cellulose and molecule filtration column chromatography with Sephadex G-100. The purified enzyme was then immobilized with CM-Cellulose. The result showed that the immobilization with CM-cellulose on a-amylase obtained from B. subtilis has successfully increased the thermal stability of the native enzyme. The thermal stabilities of the modified enzyme were increased 3.67 times compared to the native enzyme. The decrease of ki value, the increase of half-life and ?Gi values showed that the modified enzymes were more stable than the native enzyme.

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: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.137
Threshold uncertainty score0.643

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 head0.009
GPT teacher head0.215
Teacher spread0.205 · 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

Citations12
Published2012
Admission routes1
Has abstractyes

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