Juggling multiple conversations with communication technology: towards a theory of multi-communicating impacts in the workplace
Bibliographic record
Abstract
The second-generation poly(ethylene imine) dendrimer (L), based on ammonia as the initiating core molecule, forms stable metal complexes in aqueous solution. Speciation of the complex species formed and determination of the relevant stability constants were performed by means of potentiometric titration in 0.10 M NMe(4)Cl solution at 298.1 K. The interaction of L with Ni(2+), Cu(2+), Zn(2+), Cd(2+), and Pb(2+) gives rise to stable complexes with 1:1 (all metal ions), 2:1 (Ni(2+), Cu(2+), Zn(2+), Cd(2+)), 3:2 (Ni(2+), Zn(2+), Cd(2+)), and 3:1 (Cu(2+)) metal/ligand stoichiometries. The crystal structures of [Ni(3)L(2)](ClO(4))(6)·6H(2)O (1) and [Cu(3)LCl(OH)(0.5)(NO(3))(0.5)ox]Cl(1.5)(NO(3))(0.5)·5.5H(2)O (2) were solved by X-ray diffraction. The Ni(3)L(2)(6+) complex cation in 1, existing in solution as a very stable species, shows two dendrimer units linked together by a bridging Ni(2+) ion. In 2, the Cu(3)L(6+) complex cation, which also exists in solution as a very stable species, gives rise, via bridging coordination of oxalate anions, to nanostructured polymeric chains that self-organize into two-dimensional sheets. In both structures, the hierarchical mono- and two-dimensional aggregation is triggered by the action of ionic species behaving either as functional groups on the dendrimer surface (metal ions) or as the glue (metal ions, oxalate) that sticks together dendrimer units. Two association routes, developing via coordinative forces, guide the directional aggregation of dendrimer units: (a) aggregation via metal ions shared by the surfaces of contiguous dendrimer molecules and (b) aggregation via chelating ligands bridging surface metal ions pertaining to contiguous dendrimer molecules. Such aggregation modes provide coordinative routes for the self-assembly of novel families of nanostructured functional materials.
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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 | 0.000 |
| 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 | 0.001 | 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".