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Synthesis of 2,7-Dihydrooxepine-spirodithiophene Derivatives via an Intramolecular Ring Closure Reaction.
ACS Omega
December 2024
Department of Chemistry and Materials Science, Xi'an Jiaotong-Liverpool University, Suzhou, Jiangsu 215000, P. R. China.
Spiro architectures with π-conjugation have improved thermal stability and stronger photosensitivity, making them potentially useful for organic optoelectronic devices. Our recent work has demonstrated the synthetic chemistry of a novel thiophene oligomer combining 2,7-dihydrooxepine and dispiro structure and derived it into A-D-A-type compounds. The optical spectroscopy and electrochemical characteristics were investigated.
View Article and Find Full Text PDFAnalysis of the interaction mechanism between straw soil rotary tillage blade during rotary tillage process.
Sci Rep
January 2025
College of Mechanical and Electrical Engineering, Shihezi University, Shihezi, 832003, China.
In response to the rotary ploughing equipment in the stubble land to implement protective operations, the stubble is large in number and strong in toughness, not easy to crush, resulting in rotary ploughing equipment to produce entanglement and increased resistance to rotary ploughing and other issues. In this study, researchers designed a bionic rotary tillage blade (B-RTB) based on the bionic structural equations of the Marmota claw. A straw-soil complex shear performance test was conducted to investigate the effect of straw on soil shear strength.
View Article and Find Full Text PDFProgrammable Food-Derived Peptide Coassembly Strategies for Boosting Targeted Colitis Therapy by Enhancing Oral Bioavailability and Restoring Gut Microenvironment Homeostasis.
ACS Nano
January 2025
Jilin Provincial Key Laboratory of Nutrition and Functional Food, College of Food Science and Engineering, Jilin University, Changchun 130062, China.
Article Synopsis
- Recent advancements in orally-targeted nanostrategies using multiple nutraceuticals show promise for ulcerative colitis therapy, improving patient compliance and effectiveness despite challenges like poor solubility and gastrointestinal retention.
- The study introduces nanoparticles crafted from quaternary ammonium chitosan and succinic acid-modified γ-cyclodextrin, with egg white-derived peptides enhancing the delivery and bioavailability of hydrophobic curcumin.
- Findings indicate that these nanoparticles significantly increase cellular absorption and oral bioavailability, support colonic microenvironment interactions, and promote intestinal health through improved amino acid metabolism.
Local Linear Wavelet Neural Network-Based Unscented Kalman Filter for Vehicle Collision Estimate Warning System and Ensuring Stable Vehicle-to-Infrastructure Communication.
Appl Bionics Biomech
December 2024
Department of ECE, Adama Science and Technology University, Adama, Ethiopia.
The accident mortality rates are rapidly increasing due to driver inattention, and traffic accidents become a significant problem on a global scale. For this reason, advanced driver assistance systems (ADASs) are essential to enhance traffic safety measures. However, adverse environmental factors, weather, and light radiation affect the sensors' accuracy.
View Article and Find Full Text PDFκ-carrageenan - Gelatin hydrogel embedding carvacrol loaded gold nanobipyramids for treating prostate cancer via fractionated photothermal-chemotherapy.
Int J Biol Macromol
December 2024
Center for Marine Integrated Bionics Technology, The National Key Research Institutes in Universities, Pukyong National University, Busan 48513, Republic of Korea; Major of Biomedical Engineering, Division of Smart Healthcare, College of Information Technology and Convergence, Pukyong National University, Busan 48513, Republic of Korea. Electronic address:
Conventional treatment of prostate cancer need more specificity, and higher efficiency. The present work is the first attempt to utilize hydrogel-loaded carvacrol-based chemotherapy with fractionated photothermal therapy (F-PTT) using a 635 nm laser for its treatment. Gold nanobipyramids (AuNBPs) were used as drug carrier and photosensitizer.
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