Search results for: Yi Zhang

Items from 1 to 20 out of 5,794 results

article

Melatonin enhances cotton immunity to Verticillium wilt via manipulating lignin and gossypol biosynthesis

Cheng Li, Qiuling He, Fan Zhang, Jingwen Yu, more

Plants endure challenging environments in which they are constantly threatened by diverse pathogens. The soil‐borne fungus Verticillium dahliae is a devastating pathogen affecting many plant species including cotton, in which it significantly reduces crop yield and fiber quality. Melatonin involvement in plant immunity to pathogens has been reported, but the mechanisms of melatonin‐induced plant resistance...

article

Vitamin D deficiency as a risk factor for dementia and Alzheimer’s disease: an updated meta-analysis

Bingyan Chai, Fulin Gao, Ruipeng Wu, Tong Dong, more

BMC Neurology > 2019 > 19 > 1 > 1-11

Background We aimed to comprehensively explore the associations between serum 25(OH)D deficiency and risk of dementia and Alzheimer’s disease(AD). Methods We systematically searched Pubmed, the Cochrane Library, Embase and the reference lists of pertinent review articles for relevant articles published from database inception up until January 2019. Pooled hazard ratios (HRs) and 95% confidence intervals...

article

Temperature‐Triggered Switchable Dielectric Constants in Zinc‐Based Hybrid Organic‐Inorganic Compounds: (C₃H₆NH₂)₂[ZnX₄] (X = Cl and Br)

Chao Shi, Miao‐Miao Hua, Zhi‐Xin Gong, Jia‐Jun Ma, more

European Journal of Inorganic Chemistry > 2019 > 42 > 4601 - 4604

Two new zinc‐based hybrid organic‐inorganic compounds (AZT)₂[ZnX₄] (AZT = azetidine cation; X = Cl, 1; Br, 2) were successfully synthesized as high‐temperature stimuli‐responsive materials. Systematic thermodynamic characterization demonstrated that they undergo reversible structural phase transitions accompanied by switchable dielectric constant centered at 342 K for 1 and 356 K for 2, respectively...

article

Integrated transcriptomic analysis reveals hub genes involved in diagnosis and prognosis of pancreatic cancer

Yang-Yang Zhou, Li-Ping Chen, Yi Zhang, Sun-Kuan Hu, more

Molecular Medicine > 2019 > 25 > 1 > 1-13

Background The hunt for the molecular markers with specificity and sensitivity has been a hot area for the tumor treatment. Due to the poor diagnosis and prognosis of pancreatic cancer (PC), the excision rate is often low, which makes it more urgent to find the ideal tumor markers. Methods Robust Rank Aggreg (RRA) methods was firstly applied to identify the differentially expressed genes (DEGs)...

article

The alternate direction iterative methods for generalized saddle point systems

Shuanghua Luo, Angang Cui, Cheng-yi Zhang

Journal of Inequalities and Applications > 2019 > 2019 > 1 > 1-11

The paper studies two splitting forms of generalized saddle point matrix to derive two alternate direction iterative schemes for generalized saddle point systems. Some convergence results are established for these two alternate direction iterative methods. Meanwhile, a numerical example is given to show that the proposed alternate direction iterative methods are much more effective and efficient than...

article

Less micrometastatic risk related to circulating tumor cells after endoscopic breast cancer surgery compared to open surgery

Shichao Li, Wenting Yan, Xinhua Yang, Li Chen, more

BMC Cancer > 2019 > 19 > 1 > 1-9

Background Increase of circulating tumor cells (CTCs) has been found after surgery for various carcinomas but not confirmed for breast cancer, and whether endoscopic surgery confers identical effect to CTCs as open surgery did is not clear. The present study aimed to investigate whether CTCs increase after surgery and whether there is a difference between open surgery and endoscopic surgery. Methods...

article

Improved hemodynamics and cardiopulmonary function in patients with inoperable chronic thromboembolic pulmonary hypertension after balloon pulmonary angioplasty

Qi Jin, Qin Luo, Tao Yang, Qixian Zeng, more

Respiratory Research > 2019 > 20 > 1 > 1-11

Background Balloon pulmonary angioplasty (BPA) has been demonstrated to improve cardiac function and exercise capacity in patients with inoperable chronic thromboembolic pulmonary hypertension (CTEPH), but its instant impact on cardiopulmonary function has seldom been evaluated. This study aims to determine the safety and efficacy of BPA and its immediate and lasting effects on cardiopulmonary function...

article

Quantitative and structural analysis of isotopically labelled natural crosslinks in type I skin collagen using LC-HRMS and SANS

Yi Zhang, Rafea Naffa, Christopher J. Garvey, Catherine A. Maidment, more

Journal of Leather Science and Engineering > 2019 > 1 > 1 > 1-9

Collagen structure in biological tissues imparts its intrinsic physical properties by the formation of several covalent crosslinks. For the first time, two major crosslinks in the skin dihydroxylysinonorleucine (HLNL) and histidinohydroxymerodesmosine (HHMD), were isotopically labelled and then analysed by liquid-chromatography high-resolution accurate-mass mass spectrometry (LC-HRMS) and small-angle...

article

Photodetectors: Bolometric Effect in Bi₂O₂Se Photodetectors (Small 43/2019)

Hang Yang, Congwei Tan, Chuyun Deng, Renyan Zhang, more

Small > 15 > 43 > n/a - n/a

Bolometric photodetectors have been widely investigated and studied since their delicate applications in military, commercial, public, and academic domains. In article number 1904482, Hailin Peng, Xueao Zhang, Shiqiao Qin, and co‐workers report that a Bi₂O₂Se‐based bolometer shows a high temperature coefficient of resistance (−1.6% K⁻¹), high bolometric coefficient (−31 nA K⁻¹) and high bolometric...

article

Bolometric Effect in Bi₂O₂Se Photodetectors

Hang Yang, Congwei Tan, Chuyun Deng, Renyan Zhang, more

Small > 15 > 43 > n/a - n/a

Bi₂O₂Se is emerging as a photosensitive functional material for optoelectronics, and its photodetection mechanism is mostly considered to be a photoconductive regime in previous reports. Here, the bolometric effect is discovered in Bi₂O₂Se photodetectors. The coexistence of photoconductive effect and bolometric effect is generally observed in multiwavelength photoresponse measurements and then confirmed...

article

7‐Deoxynarciclasine shows promising antitumor efficacy by targeting Akt against hepatocellular carcinoma

Shuangshuang Yin, Yuling Qiu, Chengyun Jin, Rui Wang, more

International Journal of Cancer > 145 > 12 > 3334 - 3346

Akt is a promising therapeutic target for cancer treatment. In our study, we have identified that 7‐deoxynarciclasine (7‐DONCS) is a potential inhibitor of Akt, which results in the repression of multiple oncogenic processes in hepatocellular carcinoma (HCC). We have found that 7‐DONCS suppresses the growth of HCC by inducing the apoptotic and autophagic capacities, as well as by inhibiting epithelial–mesenchymal...

article

Mutations in both SAMD9 and SLC19A2 genes caused complex phenotypes characterized by recurrent infection, dysphagia and profound deafness – a case report for dual diagnosis

Yan Zhang, Yi Zhang, Victor Wei Zhang, Chunyi Zhang, more

BMC Pediatrics > 2019 > 19 > 1 > 1-5

Background Phenotypic difference is general in Mendelian disease. Due to the extremely low incidence for a single disease, phenotype spectrum needs to be expanded. Meanwhile, earlier knowledge says patients who suffered from two kinds of different Mendelian disease are very rare. Case presentation We describe a case of neonatal male with genital anomalies, growth delay, skin hyperpigmentation, chronic...

article

Temperature analysis of the HTR-10 after full load rejection

Xiang-Cheng Zhang, Ding She, Fu-Bing Chen, Lei Shi, more

Nuclear Science and Techniques > 2019 > 30 > 11 > 1-12

The HTR-10 is a small modular high-temperature reactor located in Tsinghua University, in China. After the reactor ran continuously for 72 h at full power in the commissioning stage, a full load rejection test was conducted by manually disconnecting the generator from the grid. In this study, reactor transients were analyzed using the THERMIX model. Some of the important thermal–fluid phenomena that...

article

Graphene Structure: Unconventional Atomic Structure of Graphene Sheets on Solid Substrates (Small 42/2019)

Jinjin Zhang, Yizhou Yang, Shuo Yang, Jie Song, more

Small > 15 > 42 > n/a - n/a

In article number 1902637, Guosheng Shi, Yi Zhang, and co‐workers discover an orthorhombic crystal of graphene with an ≈5 Å period formed on various substrates, which can be applied to control the epitaxial self‐assembly of amyloid peptides. First‐principle computations show that this atomic structure can be attributed to dipoles between the graphene surface and substrates.

article

Transient Light‐Emitting Diodes Constructed from Semiconductors and Transparent Conductors that Biodegrade Under Physiological Conditions

Di Lu, Tzu‐Li Liu, Jan‐Kai Chang, Dongsheng Peng, more

Advanced Materials > 31 > 42 > n/a - n/a

Transient forms of electronics, systems that disintegrate, dissolve, resorb, or sublime in a controlled manner after a well‐defined operating lifetime, are of interest for applications in hardware secure technologies, temporary biomedical implants, “green” consumer devices and other areas that cannot be addressed with conventional approaches. Broad sets of materials now exist for a range of transient...

article

Unconventional Atomic Structure of Graphene Sheets on Solid Substrates

Jinjin Zhang, Yizhou Yang, Shuo Yang, Jie Song, more

Small > 15 > 42 > n/a - n/a

The atomic structure of free‐standing graphene comprises flat hexagonal rings with a 2.5 Å period, which is conventionally considered the only atomic period and determines the unique properties of graphene. Here, an unexpected highly ordered orthorhombic structure of graphene is directly observed with a lattice constant of ≈5 Å, spontaneously formed on various substrates. First‐principles computations...

article

Neutralizing the shamefulness judgements of materialistic buyer behavior: The role of price promotions and the smart‐shopper attribution

Yi Zhang, David Glen Mick

Psychology & Marketing > 36 > 11 > 1109 - 1119

As a value and lifestyle of acquiring more things to attain happiness, materialism has been long condemned by religious leaders, philosophers, and psychologists, among others. This criticism comes also from American citizens who readily affix moral‐shamefulness judgments to their country's standing as a leading materialistic culture, while they continue, nonetheless, purchasing discretionary, and...

article

Facile Fabrication of Fe₂O₃/Nitrogen Deficient g-C₃N_4-x Composite Catalysts with Enhanced Photocatalytic Performances

Qi Liu, Shici Zhang, Ermao Li, Yi Zhang, more

Journal of Wuhan University of Technology-Mater. Sci. Ed. > 2019 > 34 > 5 > 1018-1023

The modification of graphitic carbon nitride can significantly improve the photocatalytic performance of graphitic carbon nitride (g-C₃N₄). Fe₂O₃/nitrogen-deficient g-C₃N_4-x composite catalysts were prepared with dicyandiamide as the precursor and Fe³⁺ doped in this study. The composite catalysts were characterized by XRD, SEM, FT-IR, XPS and photocurrent measurements. Close interaction occurred between...

article

Visual test for the presence of the illegal additive ethyl anthranilate by using a photonic crystal test strip

Yi Zhang, Zhenkai Jin, Qingsong Zeng, Yanmei Huang, more

Microchimica Acta > 2019 > 186 > 11 > 1-10

A test strip has been developed for the rapid detection of the illegal additive ethyl anthranilate (EA) in wine. The detection scheme is based on a combination of photonic crystal based detection and molecular imprinting based recognition. The resulting molecularly imprinted photonic crystal (MIPC) undergoes a gradual color change from green to yellow to red upon binding of EA. A semi-quantitative...

article

Climate change during the last glacial period on the southeast margin of Badain Jaran Desert, Northwest China

Xiao-lu Fan, Xin-yi Zhang, Ming-zhong Tian

Journal of Mountain Science > 2019 > 16 > 10 > 2379-2388

Reconstruction of the desert paleoclimate is important to understand the mechanisms that triggered and/or enhanced climate change. Through optically stimulated luminescence (OSL) dating, grain size, magnetic susceptibility, X-ray powder diffraction (XRD) and geochemical indicators, we provide a well-dated record of a sedimentary outcrop on the southeast margin of the Bardain Jaran Desert, Northwest...

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INFONA - science communication portal

Search results for: Yi Zhang

Melatonin enhances cotton immunity to Verticillium wilt via manipulating lignin and gossypol biosynthesis

Vitamin D deficiency as a risk factor for dementia and Alzheimer’s disease: an updated meta-analysis

Temperature‐Triggered Switchable Dielectric Constants in Zinc‐Based Hybrid Organic‐Inorganic Compounds: (C₃H₆NH₂)₂[ZnX₄] (X = Cl and Br)

Integrated transcriptomic analysis reveals hub genes involved in diagnosis and prognosis of pancreatic cancer

The alternate direction iterative methods for generalized saddle point systems

Less micrometastatic risk related to circulating tumor cells after endoscopic breast cancer surgery compared to open surgery

Improved hemodynamics and cardiopulmonary function in patients with inoperable chronic thromboembolic pulmonary hypertension after balloon pulmonary angioplasty

Quantitative and structural analysis of isotopically labelled natural crosslinks in type I skin collagen using LC-HRMS and SANS

Photodetectors: Bolometric Effect in Bi₂O₂Se Photodetectors (Small 43/2019)

Bolometric Effect in Bi₂O₂Se Photodetectors

7‐Deoxynarciclasine shows promising antitumor efficacy by targeting Akt against hepatocellular carcinoma

Mutations in both SAMD9 and SLC19A2 genes caused complex phenotypes characterized by recurrent infection, dysphagia and profound deafness – a case report for dual diagnosis

Temperature analysis of the HTR-10 after full load rejection

Graphene Structure: Unconventional Atomic Structure of Graphene Sheets on Solid Substrates (Small 42/2019)

Transient Light‐Emitting Diodes Constructed from Semiconductors and Transparent Conductors that Biodegrade Under Physiological Conditions

Unconventional Atomic Structure of Graphene Sheets on Solid Substrates

Neutralizing the shamefulness judgements of materialistic buyer behavior: The role of price promotions and the smart‐shopper attribution

Facile Fabrication of Fe₂O₃/Nitrogen Deficient g-C₃N_4-x Composite Catalysts with Enhanced Photocatalytic Performances

Visual test for the presence of the illegal additive ethyl anthranilate by using a photonic crystal test strip

Climate change during the last glacial period on the southeast margin of Badain Jaran Desert, Northwest China

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