Multifunctional Organoiron Dendrimers Functionalized with Zingerone: Synthesis, Characterization, and Promising Biomedical Applications
Bibliographic record
Abstract
Abstract Organoiron dendrimers of three generations were synthesized via a divergent synthetic methodology starting from the pentaerythritol tetrakis (3‐mercaptopropionate) core. These dendrimers were functionalized with zingerone, a natural compound renowned for its potent antioxidant and anti‐inflammatory properties. Comprehensive characterizations were performed using a range of standard techniques, including 1H and 13C NMR spectroscopy, scanning electron microscopy, cyclic voltammetry, and thermogravimetric analysis. The thermogravimetric analysis results revealed a two‐step degradation process: the initial phase corresponded to the detachment of cyclopentadienyliron moieties. In contrast, the second phase involved the decomposition of the organic framework. Higher‐generation dendrimers demonstrated increased thermal stability, requiring elevated temperatures for the second degradation stage, demonstrating a clear correlation between molecular weight and stability. Electrochemical analyses revealed progressively more negative shifts and increased peak intensities in the reduction and oxidation peaks of higher‐generation dendrimers, suggesting an increased density of electrochemically active sites. The scanning electron microscopy analysis revealed predominantly amorphous morphologies in the dendrimers, with higher‐generation variants forming larger, crystalline aggregates characterized by sharply defined edges. Biological evaluations underscored the remarkable potential of the dendrimers. The third‐generation dendrimer functionalized with zingerone exhibited superior antioxidant, antimicrobial, and antifungal activities compared to reference drugs. Meanwhile, the first‐generation dendrimer demonstrated the most pronounced anti‐inflammatory activity, although higher‐generation dendrimers also delivered excellent results, particularly at higher concentrations. These results highlight the multifunctional properties of the synthesized organoiron dendrimers, paving the way for their application in biomedical and pharmaceutical fields.
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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 | 0.000 | 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 | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 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".