Cultivation of freshwater green alga <i>Neochloris oleoabundans</i> in non‐sterile media co‐inoculated with protozoa
Bibliographic record
Abstract
Abstract The effects of sodium bicarbonate on freshwater green alga Neochloris oleoabundans were evaluated with respect to cell growth, cell morphology, and control of protozoa contamination under non‐sterile conditions co‐inoculated with protozoa pre‐cultures. While culture collapse occurred in the control and the cultures containing 40 mmol/L NaHCO3 due to protozoa contamination, the addition of 160 or 200 mmol/L NaHCO3 could completely inhibit the growth of microalgae‐preying protozoa and allow safe cultivation of N. oleoabundans for co‐incubation with protozoa in non‐sterile media. These results suggest that well‐formulated media containing appropriate amounts of dissolved inorganic carbon (DIC) may enable low‐cost cultivation of freshwater microalgae in non‐sterile open systems.
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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) | 0.000 | 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 | 0.001 |
| 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".