Dynamics of capsuleplex formed between octaacid and organic guest molecules — Photophysical techniques reveal the opening and closing of capsuleplex
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Bibliographic record
Abstract
This manuscript is concerned with the opening and closing of a capsuleplex made up of organic guest molecules and two cavitand molecules known as octaacid (OA). The capsuleplex is loosely held together in water through weak interactions. We have investigated the opening–closing of the OA capsuleplex by monitoring the quenching of excited singlet and (or) triplet states of nine different guest molecules encapsulated within a capsule by molecular oxygen that is dissolved in water surrounding the capsule. The rate constants for oxygen quenching of the excited guest molecules were estimated by monitoring the intensity of fluorescence/phosphorescence or lifetimes of excited states of guest molecules in the presence of different concentrations of oxygen in water. Guest molecules were chosen such that one could probe the opening–closing process during a time range of 0.05 to 922 µs. We believe that the oxygen quenching constant reflects the accessibility of oxygen to the guest enclosed within the OA capsuleplex, and this in turn depends on the capsule opening–closing rate constant. Based on the quenching studies, we conclude that guests whose lifetimes are shorter than 5 µs are inaccessible to oxygen. Results presented in this report suggest that the extent and time scale for opening depends on the guest.
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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 | 0.001 |
| 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 it