36 hasil untuk "Zhang, Li-Yan"
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(E)-2-[2-(2-Nitrophenyl)ethenyl]-8-quinolyl acetate
The title compound, C(19)H(14)N(2)O(4), crystallizes with two molecules with very similar conformations in the asymmetric unit; the angles between the two ring systems are 8.7 (1) and 4.2 (1)°. In the crystal, intermolecular π–π interactions [centroid–centroid distance 3.973 (1) Å] lead to a…
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(E)-2-[2-(Pentafluorophenyl)ethenyl]-8-quinolyl acetate
The title compound, C(19)H(10)F(5)NO(2), was synthesized by the 1:1 condensation of 2-methyl-8-hydroxyquinaldine with pentafluorobenzaldehyde. It crystallizes with two almost identical molecules in the asymmetric unit. The pentafluorobenzene ring is essentially coplanar with the quinoline…
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Magnetic nanoparticles modified with a copper(i) complex as a novel and efficient reusable catalyst for A(3) coupling leading to C–N bond formation
Propargylamines are an important and valuable family of nitrogen-containing compounds with many applications in the fields of medical, industrial, and chemical processes. One-pot multicomponent A(3) coupling reactions of aldehydes, amines, and alkynes in the presence of transition metals as…
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生命早期营养不良与成年期心血管功能的关系
Epidemiological and experimental studies have demonstrated that the risk of cardiovascular disease(CVD) in adulthood is influenced by the environment in early life. Intrauterine and early postnatal malnutrition and the following catch-up growth have a long-term effect on blood pressure and…
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Retraction: Magnetic nanoparticles modified with a copper(i) complex as a novel and efficient reusable catalyst for A(3) coupling leading to C–N bond formation
Retraction of ‘Magnetic nanoparticles modified with a copper(i) complex as a novel and efficient reusable catalyst for A(3) coupling leading to C–N bond formation’ by Wei Li et al., RSC Adv., 2023, 13, 28964–28974. https://doi.org/10.1039/D3RA04871C.
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Micro-expression Recognition Method Combining Feature Fusion and Attention Mechanism
Micro-expression refers to an uncontrollable muscle movement on the face when people try to hide or suppress their true emotions.Due to the short duration,small motion range,and difficulty in concealing and restraining,the recognition accuracy of such emotional facial expressions is restricted.In…
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Improve disaster literacy in nurses: a qualitative descriptive study
BACKGROUND: The enhancement of nurses’ disaster literacy is crucial for effective disaster emergency management, especially for clinical nurses with no prior experience in disaster rescue. This study aims to explore the perspectives of nurses who have been involved in disaster rescue operations on…
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Effect of Tai Chi exercise in combination with auricular plaster on patients with lumbar muscle strain
Objective: observe the effect of Tai Chi exercise on the patients with the chronic lumbar muscle strain under the intervention treatment of auricular plaster. Methods: 74 middle-aged and elderly patients, suffering from the chronic lumbar muscle strain, are randomly and equally divided into an…
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Over-expression of JAZF1 promotes cardiac microvascular endothelial cell proliferation and angiogenesis via activation of the Akt signaling pathway in rats with myocardial ischemia-reperfusion
Myocardial ischemia-reperfusion (I/R) injury is caused by endothelial dysfunction and enhanced oxidative stress. The overexpression of JAZF1, a zinc finger protein, has been reported to promote cell proliferation and suppress myogenic differentiation in type 2 diabetes. However, the involvement of…
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Development and Characterization of 20 Microsatellite Markers for Chinese Black Sleeper, Bostrychus sinensis
Twenty microsatellite markers were isolated and characterized from the Chinese black sleeper, Bostrychus sinensis. Loci were screened in 30 individuals from Taiwan. For each locus, the number of alleles varied from 4 to 22 with mean expected and observed heterozygosity of 0.79 and 0.66…
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Weathering the storm: diagnosis and treatment of a life-threatening disseminated Nocardia otitidiscaviarum infection
Nocardiosis demonstrates a temporal categorization that includes acute, subacute, and chronic stages alongside distinct typical localizations such as pulmonary, cutaneous, and disseminated forms. Disseminated nocardiosis, commonly caused by Nocardia asteroides, N. brasiliensis, and N. farcinica…
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Genistein induces adipogenic differentiation in human bone marrow mesenchymal stem cells and suppresses their osteogenic potential by upregulating PPARγ
Genistein is a soy isoflavone that exists in the form of an aglycone. It is the primary active component in soy isoflavone and has a number of biological activities (anti-inflammatory and anti-oxidative). However, the specific effect of genistein on human bone marrow mesenchymal stem cells (BMSCs)…
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Effect of high temperature yoga exercise on improving physical and mental well-being of overweight middle-aged and young women
Objective: To explore the effect of high temperature yoga exercise on improving physical and psychological well-being of overweight middle-aged and young women. Design: 50 overweight middle-aged and young women from yoga clubs were selected. The indexes of their constitution, physiological…
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Disaster literacy in disaster emergency response: a national qualitative study among nurses
BACKGROUND: As the largest group of healthcare professionals, nurses play an indispensable and crucial role in disaster response. The enhancement of nurses’ disaster literacy is imperative for effective disaster emergency management. However, there is currently a lack of knowledge regarding nurses’…
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Analysis of urban–rural differences in cognitive function among empty nest older adult in China based on Blinder-Oaxaca decomposition
OBJECTIVE: This study aims to explore the cognitive status and urban–rural differences of empty nest older adult in China, analyze in depth the possible reasons for these differences, and provide reference for developing targeted prevention strategies for the risk of cognitive impairment. METHODS…
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Research Status of MIMO Technology in Underwater Wireless Optical Communication
Underwater Wireless Optical Communication (UWOC) has the advantages of large capacity, high speed and etc. However, it suffers from limited communication range and data rate in practice due to the complex underwater environment and the limited bandwidth of optical devices. Multiple-Input…
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Conspicuous effect on treatment of mild-to-moderate COPD by combining deep-breathing exercise with oxygen inhalation
Chronic obstructive pulmonary disease (COPD) can lead to respiratory failure, but current pharmacological treatments focus on symptom relief or slowing disease progression. Here, the effectiveness of an alternative therapy combining deep-breathing exercises and oxygen inhalation therapy was…
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Application of a Rapid and Efficient Quantitative Analysis Method for Traditional Chinese Medicines: The Case Study of Quality Assessment of Salvia miltiorrhiza Bunge
A reference extractive, containing multiple active known compounds, has been considered to be an alternative to individual reference standards. However, in the Chinese Pharmacopoeia (ChP) the great majority of reference extractives have been primarily used for qualitative identification by…
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Probiotics to prevent necrotizing enterocolitis in very low birth weight infants: A network meta-analysis
OBJECTIVE: This study aims to review the evidence for the optimal regimen of probiotics for the prevention of necrotizing enterocolitis (NEC) in very low birth weight infants. DESIGN: Through searching PubMed, EMBASE, Cochrane Library, and Web of Science till September 30, 2022, only randomized…
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Prognostic value of CD44 expression in non-small cell lung cancer: a systematic review
Background: CD44 is a potentially interesting prognostic marker and therapeutic target in non-small cell lung cancer (NSCLC). Although the expression of CD44 has been reported to correlate with poor prognosis of NSCLC in most literatures, some controversies still exist. Since the limited patient…