Gordon Watkins

Polyethylenimine (PEI) is a gold standard polymer with excellent transfection efficacy, yet its severe toxicity and nondegradability hinders its therapeutic application as a gene delivery vector. To tackle this problem, herein we incorporated the biodegradable polylactide (PLA) into the branched PEI by synthesizing a PEI-PLA copolymer via a facile…[Read more]

]. Copyright 2020, SLACK Incorporated.Importance Evidence is lacking on the consequences of high rates of inpatient consultation. Objective To examine outcomes and resource use of patients cared for by hospitalists who use more inpatient consultation than their colleagues. Design, Setting, and Participants A retrospective cohort study of medical…[Read more]

We also compared the effects of our method to two published schemes for breast density category classification. Experiment results show that when the dataset contains 10% of mislabeled data, our method can automatically identify up to 98% of these mislabeled data by examining/checking the top 30% of the full dataset. Furthermore, we show that…[Read more]

7 years (SD 3.8; median 5.2). Both median and mean times were shortest for cases involving endodontics or extractions.Conclusions For the majority of two- and three-surface posterior restorations, the first re-intervention is restorative (replacement or repair of restoration). The shortest time to re-intervention is for restorations that have e…[Read more]