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| 1 | Chinese herbal medicine reduces mortality in patients with severe and critical coronavirus disease 2019: a retrospective cohort study显示文摘This study aimed to evaluate the efficacy of Chinese herbal medicine(CHM)in patients with severe/critical coronavirus disease 2019(COVID-19).In this retrospective study,data were collected from 662 patients with severe/critical COVID-19 who were admitted to a designated hospital to treat patients with severe COVID-19 in Wuhan before March 20,2020.All patients were divided into an exposed group(CHM users)and a control group(non-users).After propensity score matching in a 1:1 ratio,156 CHM users were matched by propensity score to 156 non-users.No significant differences in seven baseline clinical variables were found between the two groups of patients.All-cause mortality was reported in 13 CHM users who died and 36 non-users who died.After multivariate adjustment,the mortality risk of CHM users was reduced by 82.2%(odds ratio 0.178,95%CI 0.076–0.418;P<0.001)compared with the non-users.Secondly,age(odds ratio 1.053,95%CI 1.023–1.084;P<0.001)and the proportion of severe/critical patients(odds ratio 0.063,95%CI 0.028–0.143;P<0.001)were the risk factors of mortality.These results show that the use of CHM may reduce the mortality of patients with severe/critical COVID-19. | Guohua Chen Wen Su Jiayao Yang Dan Luo Ping Xia Wen Jia Xiuyang Li Chuan Wang Suping Lang Qingbin Meng Ying Zhang Yuhe Ke An Fan Shuo Yang Yujiao Zheng Xuepeng Fan Jie Qiao Fengmei Lian Li Wei Xiaolin Tong | 2020 | Frontiers of Medicine2020，14，6： | 10 |
| 2 | A double crosslinking MXene/cellulose nanofiber layered film for improving mechanical properties and stable electromagnetic interference shielding performance显示文摘With the discovery of the two-dimensional(2D) MXene, it shows a great application potential in the field of electromagnetic interference(EMI) shielding, but the mechanical brittleness and easy oxidation of MXene limit its wide application. For this reason, a double crosslinking strategy is provided to solve the above problems in a nacre-like “brick-mortar” layered MXene/cellulose nanofiber(MXene/CNF) film.Typically, the film was firstly suffered by dopamine modification, then was further reinforced by secondary Ca^(2+)bridging, so as to obtain excellent mechanical properties and antioxidative EMI shielding performance. Comparing with the single crosslinking, the double crosslinking strategy reveals a higher efficiency in improving the mechanical property. The mechanical strength and toughness of the double crosslinking MXene/CNF film can increase to 142.2 MPa and 9.48 MJ/m^(3), respectively. More importantly, while achieving good mechanical properties, the MXene composite film still holds a very stable EMI shielding performance of more than 44.6 dB when suffering from the oxidation treatment of hightemperature annealing, showing excellent anti-oxidation ability and environment tolerance. Therefore,this work provides a universal but effective double crosslinking strategy to solve the mechanical brittleness and easy oxidation of MXene-based composites, thus showing a huge potential in flexible EMI shielding applications. | Shilu Luo Tiantian Xiang Jingwen Dong Fengmei Su Youxin Ji Chuntai Liu Yuezhan Feng | 2022 | Journal of Materials Science & Technology2022，，34： | 4 |
| 3 | Engineering miniature gold nanorods with tailorable plasmonic wavelength in NIR region via ternary surfactants mediated growth显示文摘Plasmonic nanoparticles are endowed profound capability for sensing,biomedicine,and cancer therapy.However,the inaccessibly adjustable wavelength in near infrared(NIR)region window and size limit for the particles penetration in tumor strongly hinder their developments.Miniature gold nanorods(mini-Au NRs)with diameter less than 12 nm can effectively address this challenge due to the tiny size and tailorable NIR absorption.Herein,we adopt ternary surfactants(hexadecyl trimethyl ammonium bromide(CTAB),sodium oleate(NaOL),and sodium salicylate(NaSal))mediated growth strategy to precisely synthesize miniature Au NRs under micelle space-confinement.Importantly,the selectively dense accumulation of ternary surfactants can efficiently improve the micellar stacking parameters(p)and lower micellar free energy(F),further tends to achieve the formation of Au NRs with tiny diameter and high purity.Compared with that of conventional methods,the purity of mini-Au NRs up to 100%can be dramatically improved via varying the relative concentration of ternary surfactants.The diameter of Au NRs can be dynamically controlled to 6,8,and 11 nm through regulating the concentration of silver nitrate and the mole ratio of ternary surfactants.Such ternary surfactants system is favorable for the aging of tiny Au NRs,and further enables the aspect ratio-tunable in the region from 2.70 to 7.32,as well as tailorable plasmonic wavelength in wide NIR window from 700 to 1,147 nm.Therefore,our findings shed a light on the precise preparation of small sized plasmonic nanoparticles and pave the way to applications in biomedicine,imaging,and cancer therapy. | Xiaoning Luo Xiaoyuan Wang Lingli Zhang Liping Song Zhiwei Sun Yu Zhao Fengmei Su Youju Huang | 2023 | Nano Research2023，16，4： | 1 |
| 4 | Rigid POSS Nanofiller Regulated the Interfacial Self-assembly of Particles into 2D Monolayer Superlattice with Fixed Interparticle Spacing显示文摘Plasmonic superlattices of nanoparticles(NPs)possess unique“surface lattice resonances”properties that facilitates their wide applications in plasmonic sensing,photocatalysis,and nanoscale light manipulation.However,it is still challenging to manufacture superlattices with precisely controllable NPs distance and break the size limitation of NPs.Herein,we provided an effective strategy to construct NPs superlattices via shape-persistent polyhedral oligosilsesquioxane(POSS)molecular nanoparticles govern interfacial assembly.As a nanoscale molecule with diameter of 1.5 nm,the POSS-SH molecule provides sufficient rigid steric hindrance and hydrophobic effect for tailoring the uniformity and controllable distance between NPs in superlattices.Interestingly,synergistically with hydrophilic ligands of polyethylene glycol(PEG-SH)with optimized ratio,the rigid POSS ligands can effectively regulate the distance between NPs in a fixed range of 2.3—2.8 nm,which is independent of ligands molecular weight and particle size.Furthermore,the effective approach can be universal to anisotropic NPs for manufacturing monolayer films with high NPs density.We believe this nanoscale molecule tailored interfacial self-assembly strategy can effectively break the size of NPs and assembly obstacles for superlattice monolayer film.Additionally,the definite distance between NPs in superlattices can minimize optical energy attenuation and facilitates the applications such as surface-enhanced Raman spectroscopy and photocatalysis. | Yu Zhao Xiaoyuan Wang Xiaoning Luo Liping Song Fengmei Su Youju Huang | 2023 | Chinese Journal of Chemistry2023，41，3： | 0 |
| 5 | Effects of long non-coding RNA GAS5 on proliferation and apoptosis of hepatocellular carcinoma cells through miR-26a-5p action显示文摘Objective Long non-coding RNAs(lncRNAs)regulate tumor development and progression by promoting tumor proliferation,invasion,and metastasis.The aim of the study was to investigate the effects of lncRNA growth arrest-special 5(GAS5)on proliferation and apoptosis of hepatocellular carcinoma(HCC)cells through miR-26a-5p action.Methods Expression levels of GAS5 were detected in cancerous and paracancerous tissue of 80 HCC patients by RT-qPCR.The starBase tool predicted that GAS5 had binding sites for the miRNA miR-26a-5p,which was also highly expressed in HCC tissue.The relationship between GAS5 and miR-26a-5p was confirmed using a luciferase reporter assay.The role of these lncRNAs was further explored by transfecting plasmids into SMMC-7721 cells and classifying the cells as follows:NC group,GAS5 group,anti-miR-26a-5p group,and GAS5+miR-26a-5p group.Cell proliferation,cell cycle,and apoptosis were detected in each group.The relationship between miR-26a-5p and phosphatase and tensin homolog deleted on chromosome 10(PTEN)was analyzed by TargetScan database prediction and luciferase reporter assay.Western blotting was used to quantify PTEN,phosphatidylinositol 3-kinase(PI3K),phosphorylated protein kinase B(p-Akt),cyclin D1,and human P27 protein(P27).Results GAS5 was downregulated,while miR-26a-5p was upregulated in HCC tissue compared to in paracancerous tissue.High GAS5 levels and low miR-26a-5p levels inhibited cell proliferation,increased the number of G0/G1 phase cells,promoted cell apoptosis,promoted PTEN and P27 expression,and inhibited PI3K,P-Akt,and cyclin D1 expression at the protein level.Upregulation of miR-26a-5p attenuated the effects of GAS5 upregulation on the proliferation,cell cycle,and apoptosis of HCC cells and on the expression of PTNE/PI3K/Akt signaling pathway-related proteins.Conclusion Low GAS5 levels regulate the proliferation and apoptosis of HCC cells via the PTNE/PI3K/Akt signaling pathway and are linked to upregulation of miR-26a-5p. | Zunli Yi Xiaoguang Guo Xianxue Jiang Fengmei Luo | 2022 | Oncology and Translational Medicine2022，8，3： | 0 |
| 6 | A Kinetic Study on Dismutation of Superoxide Ion by Macrocyclic Dioxotetramine-Copper(Ⅱ) Complex by Using Pulse Radiolysis显示文摘We studied the reaction kinetics of dismutation for superoxide ion by copper (Ⅱ) complex of macrocycllc dioxotetramine ligand 12- ( 4’ - nitro )- benzyl-1,4,7,10- tetraazacy-clotridecane-11,13-dionato copper (Ⅱ) by using pulse radiolysis. The rate constants of dismutation kcat’s were measured to be 1. 78×106 mor-1 . L.s-1(at pH 7. 0) and 1. 06×106 mol-1. L. s-1(at pH 7. 8). The reaction mechanism is similar to that catalyzed by super-oxide dismutase. | Shen Mengchang, Luo Qinhui, Zhu Shourong, Tu Qingyun and Dai An bang(Coordination Chemistry Institute, Nanjing University, Nanjing)Liu Andong, Ou Hongchun, Li Fengmei and Di Shaojie(Institute of Law Energy Nuclear Physics, Beijing Normal University, Beijing) | 1990 | Chemical Research in Chinese Universities1990，6，4： | 0 |
| 7 | Three doses of prototypic SARS-CoV-2 inactivated vaccine induce cross-protection against its variants of concern显示文摘Variants are globally emerging very quickly following pandemic prototypic SARS-CoV-2.To evaluate the cross-protection of prototypic SARS-CoV-2 vaccine against its variants,we vaccinated rhesus monkeys with three doses of prototypic SARS-CoV-2 inactivated vaccine,followed by challenging with emerging SARS-CoV-2 variants of concern(VOCs). | Tianhong Xie Shuaiyao Lu Zhanlong He Hongqi Liu Junbin Wang Cong Tang Ting Yang Wenhai Yu Hua Li Yun Yang Hao Yang Lei Yue Yanan Zhou Fengmei Yang Zhiwu Luo Yanyan Li Hong Xiang Yuan Zhao Jie Wang Haixuan Wang Runxiang Long Dexuan Kuang Wenjie Tan Xiaozhong Peng Qihan Li Zhongping Xie | 2022 | Signal Transduction and Targeted Therapy2022，7，3： | 0 |
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