Pyrolysis Byproducts as Feedstocks for Fermentative Biofuel Production: An Evaluation of Inhibitory Compounds through a Synthetic Aqueous Phase
Bibliographic record
Abstract
In this work, the viability of using aqueous-phase sugars derived from the pyrolysis of lignocellulosic biomass was analyzed using high-throughput screening in microtiter plates. To standardize results, a synthetic aqueous phase of pyrolytic bio-oil was constructed based on typical constituents and composition ranges and then used to determine the fermentation viability of Saccharomyces cerevisiae . The effects of inhibitory compounds in pyrolytic bio-oil were assessed by fitting measured growth kinetics to the model of Baranyi and Roberts ( Int. J. Food Microbiol. 1994, 23, 277), specifically on the fitted growth rates, initial microorganism adaptation, and maximum biomass densities. It was found that even a dilution to approximately 10% of the hypothetical inhibitor concentration in aqueous bio-oil was significantly inhibitory to growth, although the presence of additional sugars was able to moderate this impact slightly. The high-throughput screening used in this work allowed for the rapid measurement of a variety of inhibitors at different concentrations, as well as inhibitory mixtures.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot 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.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.002 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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 teacher head, 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".