An Effective and Rapid Method for Functional Characterization of Immunoadsorbents Using POROS Beads and Flow Cytometry
Bibliographic record
Abstract
To facilitate the construction, functional characterization, and use of immunoadsorbents, we have developed a flow cytometry method that allows rapid assessment of large numbers of particle-bound antibodies. Protein G derivitized POROS beads were used to bind affinity-purified antibodies specific for synthetic peptides designed from human plasma proteins. The antibodies were covalently coupled to the beads and used to capture and release synthetic peptides that had been labeled at the C-terminus with the fluorochrome Alexa Fluor 488. Antibody coupling and specificity of antigen binding and release were measured by analysis of the POROS affinity beads by flow cytometry. The affinity-capture matrixes were also used through several antigen-binding and release cycles without loss of peptide binding efficiency. The ability to produce and characterize extremely small amounts of POROS affinity matrices will facilitate their use in protein microchemical procedures such as protein chip technology, monoclonal antibody screening and mass spectrometry, applications where analytes are limiting or present in low abundance in complex mixtures.
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 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 | 0.004 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 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 | 0.001 |
| 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".