Download full-text PDF |
Source |
|---|
Publication Analysis
Top Keywords
Similar Publications
Carbazole-Bismaleimide Based Hyper-Cross-Linked Porous Organic Polymer for Efficient Iodine Capture.
Langmuir
January 2025
Department of Chemical Engineering, Canakkale Onsekiz Mart University,17100 Canakkale, Turkey.
Radioactive iodine, a key waste product of nuclear energy, has been a significant concern among nuclear materials because of its high volatility and its ability to easily enter the human metabolism. Porous materials containing a large number of N-heterocyclic units such as carbazole in the skeletons use as effective adsorbents showing high iodine capture capacities. Herein, a new carbazole-bismaleimide-based hyper-cross-linked porous organic polymer (CzBMI-POP) was successfully prepared from a new tetra-armed carbazole-maleimide monomer (Bis-Cz(BMI)), which contains biscarbazole units and maleimide side groups.
View Article and Find Full Text PDFLong-term transfer of Cs in sensitive agricultural environments after the Chornobyl fallout in Sweden.
J Environ Radioact
January 2025
Department of Soil and Environment, Swedish University of Agricultural Sciences, Box 7070, 750 07, Uppsala, Sweden.
In this study, the long-term transfer of Cs from soil to grass on Swedish farms and fields, heavily contaminated after the 1986 radioactive fallout, was investigated. The study spans over 8-14 years, beginning in June 1986, and covers various soil types and agricultural practices. The transfer of Cs from soil to grass was highly variable, with transfer factors ranging from 1.
View Article and Find Full Text PDFEfficient capture of TcO/ReO via node and linker bifunctional anion exchange covalent organic frameworks.
J Hazard Mater
January 2025
State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China. Electronic address:
In nuclear wastewater treatment, ion-scavenging materials designed to trap TcO is urgently needed. However, strong acid/base, high radiation and high salt concentration of nuclear wastewater usually result in inadequate stability and adsorption capacity of the adsorbent. Herein, we report a new class of bifunctional anion-exchange olefin-linked COF (BPDC-MTMP) prepared via Knoevenagel condensation reactions, the first example exploring the synergistic integration of positively charged fragments at both nodes and linkers.
View Article and Find Full Text PDFBoosting Exciton Dissociation and Charge Transfer in Fluorine-Substituted Covalent Organic Frameworks with Biomimetic Electron Pumps for Remarkable Photocatalytic Extraction of Uranium.
ACS Appl Mater Interfaces
January 2025
State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, People's Republic of China.
Article Synopsis
- Researchers have developed a new fluorine-based covalent organic framework (PyF-DaS-COF) that improves uranium extraction using visible light by mimicking cardiac pacing to enhance charge transfer.
- The incorporation of electronegative fluorine significantly boosts exciton dissociation and the generation of critical intermediates in the uranium reduction process.
- PyF-DaS-COF demonstrates a remarkable extraction capacity and efficiency, achieving a removal rate of over 99% in uranium-contaminated wastewater.
First wheat certified reference material for organically bound tritium measurement in the environment.
Talanta
January 2025
CEA, DES, ISEC, DMRC, CETAMA, Univ. Montpellier, Marcoule, France.
Measuring the radioactivity of organically bound tritium in environmental samples is difficult. For the past twenty years, many laboratories have been working on the development of reliable tritium measurement methods. In this context, several interlaboratory comparisons have been organised to develop these methods and enable laboratories to compare themselves.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!