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| 1 | EXISTENCE, MULTIPLICITY AND BIFURCATION FOR CRITICAL POLYHARMONIC EQUATIONS显示文摘This paper is concerned with the nonexistence and existence, multiplicity and bifurcation of solutions for critical semilinear polyharmonic equations. Following the ideas due to Brezis and Nirenberg[1], we obtain the extensions of [1] and partially confirm Pucci and Serrin[2] conjecture; by employing the abstract critical point theorem, the multiple results and bifurcation for the problem are obtained. | XUAN Benjin CHEN Zuchi (Department of Mathematics, University of Science and Technology of China, Hefei 230026, China) | 1999 | Systems Science and Mathematical Sciences1999，12，1： | 7 |
| 2 | Intensive phototherapy vs.exchange transfusion for the treatment of neonatal hyperbilirubinemia:a multicenter retrospective cohort study显示文摘Background:Intensive phototherapy(IPT)and exchange transfusion(ET)are the main treatments for extreme hyperbilirubinemia.However,there is no reliable evidence on determining the thresholds for these treatments.This multicenter study compared the effectiveness and complications of IPT and ET in the treatment of extreme hyperbilirubinemia.Methods:This retrospective cohort study was conducted in seven centers from January 2015 to January 2018.Patients with extreme hyperbilirubinemia that met the criteria of ET were included.Patients were divided into three subgroups(low-,medium-,and high-risk)according to gestational week and risk factors.Propensity score matching(PSM)was performed to balance the data before treatment.Study outcomes included the development of bilirubin encephalopathy,duration of hospitalization,expenses,and complications.Mortality,auditory complications,seizures,enamel dysplasia,ocular motility disorders,athetosis,motor,and language development were evaluated during follow-up at age of 3 years.Results:A total of 1164 patients were included in this study.After PSM,296 patients in the IPT only group and 296 patients in the IPT plus ET group were further divided into the low-,medium-,and high-risk subgroups with 188,364,and 40 matched patients,respectively.No significant differences were found between the IPT only and IPT plus ET groups in terms of morbidity,complications,and sequelae.Hospitalization duration and expenses were lower in the low-and medium-risk subgroups in the IPT only group.Conclusions:In this study,our results suggest that IPT is a safe and effective treatment for extreme hyperbilirubinemia.The indication of ET for patients with hyperbilirubinemia could be stricter.However,it is necessary to have a contingency plan for emergency ET as soon as IPT is commenced especially for infants with risk factors.If IPT can be guaranteed and proved to be therapeutic,ET should be avoided as much as possible. | Meng Zhang Yang He Jun Tang Wenbin Dong Yong Zhang Benjin Zhang Hong Wan Quanmin Deng Lirong Guan Bin Xia Zhong Chen Min Ge Jing Zhao Wenxing Li Jingjun Pei Yi Qu Dezhi Mu | 2022 | Chinese Medical Journal2022，，5： | 7 |
| 3 | Upconversion nanoparticles@AgBiS_(2) core-shell nanoparticles with cancer-cell-specific cytotoxicity for combined photothermal and photodynamic therapy of cancers显示文摘UCNPs@AgBiS_(2) core-shell nanoparticles that AgBiS_(2) coated on the surface of upconversion nanoparticles (UCNPs) was successfully prepared through an ion exchange reaction. The photothermal conversion efficiency of AgBiS_(2) can be improved from 14.7% to 45% due to the cross relaxation between Nd ions and AgBiS_(2). The doping concentration of Nd ions played a critical role in the production of reactive oxygen species (ROS) and enhanced the photothermal conversion efficiency. The NaYF4:Yb/Er/Nd@NaYF4:Nd nanoparticles endows strong upcon-version emissions when the doped concentration of Nd ions is 1% in the inner core, which excites the AgBiS_(2) shell to produce ROS for photodynamic therapy (PDT) of cancer cells. As a result, the as-prepared NaYF4:Yb/Er/ Nd@NaYF4:Nd@AgBiS_(2) core-shell nanoparticles showed combined photothermal/photodynamic therapy (PTT/ PDT) against malignant tumors. This work provides an alternative near-infrared light-active multimodal nano-structures for applications such as fighting against cancers. | Zhaoyou Chu Tian Tian Zhenchao Tao Juan Yang Benjin Chen Hao Chen Wanni Wang Peiqun Yin Xiaoping Xia Hua Wang Haisheng Qian | 2022 | Bioactive Materials2022，7，11： | 3 |
| 4 | The solvability of quasilinear Brezis-Nirenberg-type problems with singular weights显示文摘 | XUAN Benjin | 2005 | Nonlinear Anal2005，62，： | 1 |
| 5 | Existence of a nontrival weak solution to quasilinear elliptic equations with singular weights and multiple critical exponents显示文摘 | XUAN Benjin WANG Ji | 2010 | Nonlinear Anal2010，72，： | 1 |
| 6 | The solvability of quasilinear Brezis-Niren- berg-type problems with singular weights显示文摘 | Xuan Benjin | | 0，，： | 1 |
| 7 | The solvability of quasilinear Brezis-Nirenberg-type problems with singular weights显示文摘 | Xuan Benjin | | 0，，： | 1 |
| 8 | The solvability of quasilinear Brezis-Nirenberg-type problems with singular weights显示文摘 | BENJIN Xuan | 2005 | Nonlinear Analysis2005，，62： | 1 |
| 9 | A Multi-Generation Schmakeria poplesia Culturing System for Use in Ecotoxicological Study显示文摘Crustacean zooplankton form the keystone link between primary producers and fish stocks in marine and estuary ecosystems. We have established a multi-generation cultivation system for zooplankton with which future experiments on the biological effects of pollutants in marine and estuary environments can be better performed. A population of calanoid copepod, Schmakeria poplesia, was collected in December 2003 and maintained in a static system through all stages (eggs to adults). The population exhibited an average developmental time of 13.6 d in conditions corresponding to the natural environment (water temperature 20℃, salinity 15). A series of experiments were performed to examine copepod egg production and hatching success as functions of food type and feeding concentration. Results in our study showed that Isochrysis galbana was more favored for the reproduction of copepods than Phaeodactylum tricornutum, and 10×104cells mL-1 was the most practical algae concentration. We have demonstrated that the Schmakeria poplesia population can be maintained in the laboratory through multiple generations. In addition, methods to control egg production through changes in food concentration have been established, making it feasible to control the start date of exposure experiments or the timing of the collection of offspring to initiate a new generation. | HUANG Ying ZHU Liyan QIU Xuchun QI Benjin ZHANG Tianwen | 2009 | Journal of Ocean University of China2009，8，1： | 1 |
| 10 | Existence and convergence of solutions for the generalized BBM-Burgers equations with dissipative term 显示文摘 | Zhao Huijiang Xuan Benjin | 1997 | Nonlinear Analysis : Theory Methods & Applications1997，28，11： | 1 |
| 11 | Multiple Solutions to a Caffarelli-Kohn-Nirenberg Type Equation with Asymptotically Linear Term显示文摘 | Xuan Benjin | 2003 | Revista Colombiana de Matematicas2003，37，： | 1 |
| 12 | Existence results for a superlinear p-Laplaclan equation with indefinite weights显示文摘 | Xuan Benjin | 2003 | Nonlinear Analysis2003，54，： | 1 |
| 13 | Preliminary Study on the Occurrence of Maize Diseases in Anhui Province显示文摘The occurrence of maize diseases was systematically studied at different growth stages of maize in different areas of Anhui Province. It was found that maize has a long optimal growth period in Anhui Province, and the maize planting structure is complex. The northern region is mainly planted with summer maize in large scale, while the southern region is mainly planted with spring maize in scattered pattern. In terms of diseases, the south spring maize suffered from more diverse diseases than the north summer maize. The main maize disease in Suzhou, Bozhou, Fuyang and Bengbu areas was southern rust, which was common with the highest diseased plant rate of 76%. The main maize diseases in Lu'an, Anqing, Chizhou, Tongling and Xuancheng were rust, maize rough dwarf virus(MRDV), southern leaf blight and sheath blight. Other diseases such as northern leaf blight, stalk rot and maize smut occurred commonly. The diseased plant rate of maize rust was in the range of 25%-47%. | Ziyan ZHOU Lina XU Fei HU Benjin HU Changchun LI | 2019 | Agricultural Biotechnology2019，8，2： | 0 |
| 14 | Antibacterial mechanism and transcriptomic analysis of a nearinfrared triggered upconversion nanoparticles@AgBiS2 for synergetic bacteria-infected therapy显示文摘Methicillin-resistant Staphylococcus aureus(MRSA)has become a rising clinical problem as its occurrence has increased due to the overuse and misuse of antibiotics.In this work,upconversion nanoparticles@AgBiS2 core–shell were produced with enhanced photothermal transformation efficiency and ability to produce reactive oxygen species for synergistic photodynamic photothermal and photodynamic antibacterial performance.The nanoparticles exhibit good antibacterial effects in vitro and satisfactory therapeutic performance on healing MRSA-infected wounds in vivo experiments.RNA-sequencing technique has been used to investigate and reveal that photothermal–photodynamic therapy using the nanoparticles can interfere with metabolic processes such as galactose metabolism in MRSA bacteria,destroy the transport system on the surface of MRSA,and affect quorum sensing to hinder the formation of biofilms to achieve effective antibacterial efficacy.It was demonstrated that this work presents an alternative near-infrared photoactive multimodal nanostructure for antibacterial applications. | Shi Chen Zhaoyou Chu Limian Cao Lingling Xu Qianqian Jin Nian Liu Benjin Chen Ming Fang Wanni Wang Haisheng Qian Min Shao | 2022 | Nano Research2022，15，10： | 0 |
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