Use of the Labscale Tangential Flow Diafiltrator to Remove Tetrameric Hemoglobin from Polyhemoglobin, Purify Hemolysate, and Concentrate Polyhemoglobin
Why this work is in the frame
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Bibliographic record
Abstract
The Labscale tangential flow diafiltration system in conjunction with polyethersulfone Biomax filters (both purchased from Millipore Inc.) were used in the following studies: (1) A crucial step in the preparation of polyhemoglobin (polyHb) is the removal of tetrameric hemoglobin (Hb), which can cause adverse side-effects. The efficiency for this depends on the integrity of the 100kDa filters. Those with lower integrity were not effective whereas those with a higher integrity of 0.075ml/min were more effective. A filter with an integrity of 0.075ml/min can reduce the initial 11.2% tetrameric Hb concentration to 1.3% using a flow rate of 0.2ml/min. Higher flow rate of 2.2ml/min was not as effective. (2) Filtration with a 100kDa filter was quick and efficient in separating stroma-free hemoglobin solutions from cellular debris from hemolysate. (3) Both 5kDa and 100kDa filters are efficient in concentrating hemoglobin solutions.
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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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 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 | 0.000 |
| Research integrity | 0.001 | 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 it