Article
Chemistry, Physical
Mitha Al-Jabri, Thomas Rodgers
Summary: The purpose of this study is to investigate the impact of surfactant chain length and hydrophobic to hydrophilic ratio on the dissolution process. The results show that increasing the length of the hydrophobic part slows down the dissolution process, while increasing the length of the hydrophilic part speeds it up. However, the effect of adding more hydrophobic beads is greater than that of adding more hydrophilic beads on the dissolution process.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Materials Science, Paper & Wood
Maohui Chen, Jeremie Parot, Vincent A. Hackley, Shan Zou, Linda J. Johnston
Summary: Studies have shown that the width of cellulose nanocrystals is approximately twice their height, with some particles having asymmetric cross-sections. This has important implications for applications where the properties of the nanocrystals depend on their length/cross-section ratio.
Article
Chemistry, Applied
Carlos Lopez-Cruz, Javier Guzman, Guang Cao, Cristina Martinez, Avelino Corma
Summary: This study investigated the hydrogenation activity and physico-chemical characterization of a series of NiMo catalyst supported on materials with different acid-base properties. The results showed a clear correlation between the electrodonor capacity of the support, the negative charge density of the supported NiMo oxides, and the intrinsic hydrogenation rate of the sulfided phase. Spectroscopic characterization ruled out any possible contribution derived from differences in the NiMoS2 stack or slab size distributions. The experimental results suggest the occurrence of an electron transfer phenomenon from the support to the supported NiMoS2 slabs, with this effect being stronger for supports with higher electrodonor capacity.
Article
Chemistry, Multidisciplinary
Yunhee Cho, Thi Anh Le, Hyunjung Kim, Yeseul Hong, Heemin Hwang, G. Hwan Park, Sohyeon Seo, Hyoyoung Lee
Summary: The study found that ligands adsorbed on metal positions can induce partial electron localization, accelerate metal-chalcogen bond formation, and enhance the anisotropic growth of nanosheets.
Article
Chemistry, Multidisciplinary
Nicholas P. Litak, Lillian M. Mawby, Benjamin J. Lear
Summary: This study investigates the electronic density of states of ligand-stabilized colloidal metallic nanoparticles and demonstrates that their magnetic susceptibility can be used to determine the density of states. The results show that even subtle changes in surface chemistry can significantly alter the density of states at the Fermi level. This suggests that surface chemistry can be used as a powerful tool to control the electronic behavior of attached materials and provides a new paradigm for other metallic systems.
Article
Chemistry, Multidisciplinary
You Meng, Wei Wang, Johnny C. Ho
Summary: The continuous downscaling of semiconducting channels in transistors has driven the development of modern electronics. One-dimensional (1D) material system involving inorganic atomic chains (ACs) may tackle the issue of physical limits in transistor scaling, providing opportunities to discover unique physical properties.
Article
Chemistry, Physical
Secil Sevim Unluturk, Ali Cagir, Canan Varlikli, Serdar Ozcelik
Summary: Impurities in trioctylphophine (TOP), specifically the presence of 1-octanol, have been shown to significantly impact the synthesis and photophysical properties of ZnCdSSe/ZnS colloidal nanocrystals. The deliberate addition of 1-octanol into TOP results in smaller particle size and modified spectral shifts, while also increasing nonradiative processes within the nanocrystals. This study suggests that 1-octanol plays a critical role as a functional impurity in tuning the particle size and photophysical processes of the nanocrystals.
JOURNAL OF PHYSICAL CHEMISTRY C
(2021)
Review
Cardiac & Cardiovascular Systems
C. Cristina Quarta, Marianna Fontana, Thibaud Damy, Julia Catini, Damien Simoneau, Michele Mercuri, Pablo Garcia-Pavia, Mathew S. S. Maurer, Giovanni Palladini
Summary: Cardiac amyloidosis is a rare and often fatal disease. Current treatment focuses on preventing further amyloid formation and managing complications. Despite advancements in treatment, there are still unmet medical needs.
FRONTIERS IN CARDIOVASCULAR MEDICINE
(2022)
Article
Chemistry, Analytical
Zhicheng Jin, Narjes Dridi, Goutam Palui, Valle Palomo, Jesse V. Jokerst, Phillip E. Dawson, Qing-Xiang Amy Sang, Hedi Mattoussi
Summary: We describe the assembly and characterization of quantum dot (QD)-dye conjugates using a specifically designed peptide bridge to recognize and interact with a breast cancer biomarker. These conjugates serve as optically addressable probes, detecting the activity of the biomarker through Fo''rster resonance energy transfer. The conjugates demonstrate high sensitivity to enzymatic proteolysis and show potential for in vivo analysis.
ANALYTICAL CHEMISTRY
(2023)
Article
Chemistry, Multidisciplinary
Diep Thi Hong Nguyen, Lorianne R. Shultz, Titel Jurca, Ali Nazemi
Summary: N-heterocyclic carbenes (NHCs) have gained attention for stabilizing metallic nanoparticles, particularly gold nanoparticles, but the stability of silver nanoparticles (AgNPs) with NHCs has been overlooked. This study reports the synthesis of monomeric and polymeric NHC-Ag(I) complexes as precursors to NHC-tethered AgNPs. The stability of these NHC-functionalized AgNPs was investigated and their application in catalysis was demonstrated.
Article
Materials Science, Paper & Wood
Sezen Yucel, Robert J. Moon, Linda J. Johnston, Berkay Yucel, Surya R. Kalidindi
Summary: This paper introduces a new semi-automated image analysis framework called SMART, which can reliably and quickly detect and classify CNCs from TEM and AFM images and measure their dimensions. The SMART approach shows good agreement and higher throughput in CNC identification and dimensional measurements compared to conventional manual methods.
Article
Chemistry, Inorganic & Nuclear
Rouzbeh Samii, Anton Fransson, Pamburayi Mpofu, Pentti Niiranen, Lars Ojamaee, Vadim Kessler, Nathan J. O'Brien
Summary: Group 11 thin films are desirable for interconnects in microelectronics. Monovalent Cu, Ag, and Au 1,3-di-tert-butyltriazenides show potential as single-source precursors for vapor deposition, with comparable thermal stability and volatility to current state-of-the-art precursors. Solution thermolysis of these triazenides yields polycrystalline films of elemental Cu, Ag, and Au.
INORGANIC CHEMISTRY
(2022)
Article
Chemistry, Physical
Torben Steenbock, Tobias Dittmann, Gabriel Bester
Summary: In this study, the spin coupling and energetics of Mn clusters in Mn-doped ZnS quantum dots were investigated using density functional theory calculations. It was found that the spin coupling between nearest neighbor Mn dopant spins is moderately antiferromagnetic and becomes negligible when the Mn atoms are in second nearest neighbor position. Furthermore, the structures where the Mn atoms are clustered were found to be more stable compared to the more homogeneous distribution of Mn dopant atoms. These findings suggest a potential shortcoming of the strategy to enhance magnetic and magneto-optical responses by increasing the dopant concentration.
JOURNAL OF PHYSICAL CHEMISTRY C
(2022)
Article
Chemistry, Physical
Vadim Tanygin, Benjamin J. Lear
Summary: Sulfur ligands maintain no oxidation at metal-chalcogen interfaces, while tellurium ligands lead to increased oxidation. Selenium ligands can keep iridium and platinum interfaces stable, but gold interfaces oxidize over time.
CHEMISTRY OF MATERIALS
(2021)
Article
Chemistry, Physical
Rui An, Lourdes Chukiwanka Quinones, Nick Gys, Elien Derveaux, Kitty Baert, Tom Hauffman, Peter Adriaensens, Frank Blockhuys, Vera Meynen
Summary: The dependence of modification degree and phosphorus chemical environment on pH and chain length was investigated in this study. The results showed that pH had a clear impact on surface modification degrees, with different responses for alkyl- and aminoalkylphosphonic acids. The study also found correlations between aminoalkyl chain length and the NH2/NH3+ ratio, as well as between modification degree and the protonation degree of the amine group.
APPLIED SURFACE SCIENCE
(2023)
Article
Engineering, Electrical & Electronic
Yuhao Wang, Yue Zhang, Mingcheng Xiao, Huilin Zhou, Qiegen Liu, Jianfei Gao
Summary: This paper proposes a physical model-driven deep network approach, represented by CS-Net, to solve target image reconstruction problems in through-the-wall radar imaging. By introducing a convolutional neural network prior to capture the redundancy of radar echo signals and using the physical model of radar signals to encourage data consistency, the method is able to extract high-dimensional features from a large amount of training data for reconstructing spatial target images effectively. Simulation results show that the proposed method outperforms traditional CS methods in terms of accurate target image reconstruction and preservation of target texture details.
INTERNATIONAL JOURNAL OF MICROWAVE AND WIRELESS TECHNOLOGIES
(2023)
Article
Environmental Sciences
Yuxin Li, Mingqing Zhong, Xianzhi He, Ruoyu Zhang, Yu Fu, Ruolan You, Feiyan Tao, Lei Fang, Yuanyuan Li, Qingfeng Zhai
Summary: This study investigated the combined effects of titanium dioxide nanoparticles and cypermethrin on reproductive toxicity in male rats. The results showed that exposure to the mixture led to testicular tissue damage, decreased sperm quality, and induced cell apoptosis and DNA damage.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Biophysics
Yu Guan, Zongjiang Tu, Shanshan Wang, Yuhao Wang, Qiegen Liu, Dong Liang
Summary: This article introduces a novel regularization strategy for MRI reconstruction using deep energy-based model. The proposed method improves the image quality by leveraging self-adversarial cogitation and implicit inference, achieving remarkable performance in terms of reconstruction accuracy and avoiding mode collapse.
NMR IN BIOMEDICINE
(2023)
Article
Obstetrics & Gynecology
Yunxue Zhang, Xiaofang Xu, Zihui Xie, Yuanyuan Li, Di Zhao, Gaorong Lv, Ping Li
Summary: This study investigated the status of multiple psychosomatic symptoms among pregnant women and identified symptom clusters at different gestational stages. The top five symptoms in early pregnancy were nausea, lack of appetite, feeling drowsy, lack of energy, and vomiting. In late pregnancy, weight gain, difficulty sleeping, sweating, lack of energy, and dry mouth scored high. Four clusters were identified in early pregnancy, and three clusters were determined in late pregnancy.
INTERNATIONAL JOURNAL OF GYNECOLOGY & OBSTETRICS
(2023)
Article
Chemistry, Physical
Yuanyuan Li, Qian Wang, Huawei Zhang, Hongyi Zhu, Mingliang Wang, Haowei Wang
Summary: The hydrogen trapping performances of Al with different solute atoms X (X = Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, or Zn) and X-vacancy defects have been investigated using the First-principles method. The study reveals that Cr is the most effective element for hydrogen trapping due to its lowest trapping energy. Furthermore, the interaction of X-vacancy defects in Al is found to favor hydrogen capture compared to X-doped Al supercells. The insights obtained from this study provide valuable guidance for the design of new alloys with enhanced resistance to hydrogen embrittlement.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Agronomy
Menghua Xiao, Yuanyuan Li, Shizong Zheng, Lei Wang, Jiafang Cai, Wei Wang
Summary: This research studied the effects of rural domestic reclaimed water (RDRW) for agricultural irrigation on the properties of paddy soil, water and nitrogen utilization, and rice yield. The results showed that RDRW irrigation increased soil pH, electrical conductivity, and organic matter content, while the content of ammonium-nitrogen and nitrate-nitrogen showed opposite trends under different water level control conditions. RDRW irrigation significantly improved water and nitrogen use efficiency and rice yield.
IRRIGATION AND DRAINAGE
(2023)
Article
Biology
Yun Zhang, Yuling Huang, Jiafan Lin, Shenggou Ding, Xiaochang Gong, Qiegen Liu, Changfei Gong
Summary: This study proposes a new treatment planning methodology for CSI using the FDVH-guided AP technique, which significantly reduces the dose to organs at risk and achieves better homogeneity and conformity indices compared to manual plans and conventional AP plans.
JOURNAL OF RADIATION RESEARCH
(2023)
Article
Soil Science
Yuanyuan Li, Jiahui Liao, Han Y. H. Chen, Xiaoming Zou, Manuel Delgado-Baquerizo, Juanping Ni, Tingting Ren, Hanmei Xu, Honghua Ruan
Summary: Fertilization and drought are significant drivers of greenhouse gas emissions, but the role of soil macrofauna in mediating these responses is poorly understood. A microcosm experiment was conducted to investigate the effects of soil macrofauna on CO2, N2O, and CH4 emissions in response to varying levels of nitrogen and soil water availability. The results showed that soil fauna significantly influenced CO2 and N2O emissions and that earthworms and millipedes played important roles in modifying these emissions.
SOIL BIOLOGY & BIOCHEMISTRY
(2023)
Article
Toxicology
Yuan-Yuan Li, Yi-Ming Xiong, Xuan-Yue Chen, Jia-Yi Sheng, Lin Lv, Xing-Hong Li, Zhan-Fen Qin
Summary: This study found that exposure to TBBPA-BDBPE caused severe damage to the reproductive system in mice, including reduced sperm counts, increased sperm abnormality, and histological alterations of testes. Moreover, long-term exposure led to impaired fertility at late reproductive age.
ARCHIVES OF TOXICOLOGY
(2023)
Article
Biochemical Research Methods
Rui Wang, Zhipeng Zhang, Ruiyi Chen, Xiaohai Yu, Hongyu Zhang, Gang Hu, Qiegen Liu, Xianlin Song
Summary: A deep learning method is proposed to enhance the defocused resolution and signal-to-noise ratio in optical-resolution photoacoustic microscopy. Datasets with different noise levels were obtained using a virtual optical-resolution photoacoustic microscopy based on k-wave. A fully dense U-Net was trained with randomly distributed sources to improve the quality of photoacoustic images. The results show significant enhancements in PSNR, lateral resolution, and axial resolution of defocused regions.
JOURNAL OF BIOPHOTONICS
(2023)
Article
Chemistry, Medicinal
Yingchao Yan, Yang Zhao, Huifeng Yao, Jie Feng, Li Liang, Weijie Han, Xiaohe Xu, Chengtao Pu, Chengdong Zang, Lingfeng Chen, Yuanyuan Li, Haichun Liu, Tao Lu, Yadong Chen, Yanmin Zhang
Summary: Retrosynthesis prediction is important in organic synthesis and drug discovery. Existing models lack consideration of the effects of byproducts, which this study addresses by proposing a two-stage retrosynthesis prediction framework based on byproducts. The model achieves high prediction accuracy and demonstrates potential for drug discovery.
JOURNAL OF CHEMICAL INFORMATION AND MODELING
(2023)
Article
Engineering, Chemical
Ruili Li, Guoqing Xiao, Chunlin Chen, Chunyan Chen, Xinyin Hu, Yuanyuan Li, Zhengwei Yang, Shuyi Shang, Mingtan Wang
Summary: A photocatalytic self-cleaning graphene oxide (GO) membrane with a unique intercalated structure of CPU@PAA@TiO2 was prepared by simple vacuum filtration self-assembly. The membrane exhibited excellent water flux, dye separation performance, and photocatalytic activity. It showed enhanced degradation for methylene blue due to band-gap alignment and synergistic effect between CPU and TiO2. The membrane also demonstrated excellent acid/alkaline-stability and reusability.
JOURNAL OF MEMBRANE SCIENCE
(2023)
Article
Biochemistry & Molecular Biology
Liang Pan, Shiyu Su, Yuanyuan Li, Di Liu, Lingyu Shen, Haiying Wang, Jiayu Wen, Hui Hu, Ruwen Zheng
Summary: The effects of acupuncture and finasteride on the expression of oestrogen receptors (ERs) alpha and beta in testosterone-induced benign prostatic hyperplasia (BPH) in rats were investigated. The results showed that both acupuncture and finasteride significantly improved the distribution of ERs and could improve BPH. Additionally, ER beta mRNA expression in the finasteride group was significantly different compared to the control and acupuncture groups, suggesting a potential mechanism of action for the treatment of BPH.
JOURNAL OF STEROID BIOCHEMISTRY AND MOLECULAR BIOLOGY
(2023)
Review
Chemistry, Medicinal
Cuncun Lu, Lixin Ke, Qiang Zhang, Xiuxiu Deng, Wenru Shang, Xiaoxiao Zhao, Yuanyuan Li, Yanming Xie, Zhifei Wang
Summary: This study evaluated the quality of meta-analyses on the health effects of resveratrol through a methodological systematic review. The findings showed that most of the included meta-analyses had low methodological quality and inadequate reporting. Journal's impact factor, number of authors, and funding support were positively associated with the overall methodological quality.
PHYTOTHERAPY RESEARCH
(2023)
Article
Ecology
Kejia Hu, Zuhui Zhang, Yuanyuan Li, Shiyi Wang, Tingting Ye, Jinglu Song, Yunquan Zhang, Jing Wei, Jian Cheng, Yujie Shen, Jiahao Pan, Jingqiao Fu, Jin Qi, Yiwen Guo, Yi Zeng, Yao Yao
Summary: Neighborhood greenness, especially overall greenness, is associated with a reduced risk of diabetes in older urban residents in China. This association is more pronounced in young old adults and those with higher education or income levels. Air pollution may partially mediate this association, while individual behavioral characteristics such as physical activity, BMI, and social interaction may not play a mediating role.
LANDSCAPE AND URBAN PLANNING
(2023)
