Tellurite removal by a tellurium-tolerant halophilic bacterial strain, Thermoactinomyces sp. QS-2006
Bibliographic record
Abstract
Among the 25 strains of moderately halophilic bacteria isolated from the hypersaline environments of Iran, a Gram-positive and moderately halophilic bacterial strain isolated from a saline soil was identified as Thermoactinomyces sp. strain QS-2006. This strain was found to tolerate high concentrations of tellurite with growth occurring up to a concentration of 500 mM Te. When the strain was cultured aerobically in medium containing 0.1–3.0 mM potassium tellurite, tellurium was removed from the soluble toxic oxyanion form under a wide range of conditions including pH (7–10), temperature (30–45°C), agitation (0–220 rpm), and various concentrations of salts including NaCl , KCl , NaNO 3 and NaCH 3 COOH (0.5–1.5 M). Maximum tellurite removal (95.5%) occurred in a medium containing 1–3% NaCl with a pH of 7.5 incubated at 35°C. Transmission Electron Microscope (TEM) coupled with Energy Dispersive X-ray (EDX) showed that tellurium compounds were adsorbed to the bacterium wall and inside the cytoplasm.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
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".