289 Works

β-galactosidase GALA from Bacillus circulans with high transgalactosylation activity

Yaru Yan, Weishi Guan, Xiaoyi Li, Kaier Gao, Xinxin Xu, Bo Liu, Wei Zhang & Yuhong Zhang
β-galactosidase catalyzes lactose hydrolysis and transfers reactions to produce prebiotics such as galacto-oligosaccharides (GOS) with potential applications in the food industry and pharmaceuticals. However, there is still a need for improved transgalactosylation activity of β-galactosidases and reaction conditions of GOS production in order to maximize GOS output and reduce production costs. In this study, a β-galactosidase gene, galA, from Bacillus circulans was expressed in Pichia pastoris, which not only hydrolyzed lactose but also had strong...

Antibiotics: An overview on the environmental occurrence, toxicity, degradation, and removal methods

Qiulian Yang, Yuan Gao, Jian Ke, Pau Loke Show, Yuhui Ge, Yanhua Liu, Ruixin Guo & Jianqiu Chen
Antibiotics, as antimicrobial drugs, have been widely applied as human and veterinary medicines. Recently, many antibiotics have been detected in the environments due to their mass production, widespread use, but a lack of adequate treatment processes. The environmental occurrence of antibiotics has received worldwide attention due to their potential harm to the ecosystem and human health. Research status of antibiotics in the environment field is presented by bibliometrics. Herein, we provided a comprehensive overview on...

Dynamics in perioperative neutrophil-to-lymphocyte*platelet ratio as a predictor of early acute kidney injury following cardiovascular surgery

Yang Li, Zhouping Zou, Yunlu Zhang, Bowen Zhu, Yichun Ning, Bo Shen, Chunsheng Wang, Zhe Luo, Jiarui Xu & Xiaoqiang Ding
In this study, we applied a composite index of neutrophil-lymphocyte * platelet ratio (NLPR), and explore the significance of the dynamics of perioperative NLPR in predicting cardiac surgery-associated acute kidney injury (CSA-AKI). During July 1st and December 31th 2019, participants were prospectively derived from the ‘Zhongshan Cardiovascular Surgery Cohort’. NLPR was determined using neutrophil counts, lymphocyte and platelet count at the two-time points. Dose-response relationship analyses were applied to delineate the non-linear odds ratio (OR)...

Late Permian-Middle Triassic intermediate-acid intrusive rocks in the Eastern Kunlun Orogenic Belt, NW China: Petrogenesis and implications for geodynamic evolution

Liang Li, Zhengping Yan, Zhaojun Song, Shucheng Tan, Xiaoliang Li, Wei Xin, Nan Tian, Guan Wang, Chao Wang & Jinyu Li
Large areas of intermediate-acid intrusive rocks are widely exposed in the Eastern Kunlun Orogenic Belt (EKOB), which is an ideal place to study crustal reworking and growth and the tectonic setting and evolution of the Paleo-Tethys Ocean. Petrographic research shows that intermediate-acid intrusive rocks are mainly composed of diorite, diorite porphyry, granodiorite, and monzogranite, and their zircon U-Pb ages are 260.8 ± 1.5 Ma, 250.7 ± 1.8 Ma, 242.6 ± 0.7 Ma, 239.8 ± 1.2...

Validation of posttraumatic stress disorder (PTSD) and complex PTSD in Chinese children as per the ICD-11 proposals using the International trauma questionnaire

Jina Li, Weiwei Wang, Wei Hu, Ziyue Yuan, Ruifu Zhou, Weijun Zhang & Zhiyong Qu
Background: Given that the validity of applying complex posttraumatic stress disorder (CPTSD) in nonclinical children remains unclear. Objectives: The current study aimed to explore the factor structure, discriminant validity, and risk factors of ICD-11 posttraumatic stress disorder (PTSD) and CPTSD using the International Trauma Questionnaire. Methods: A total of 3478 trauma-exposed Chinese children aged 9–12 years were included in this study. All participants were assessed for PTSD and CPTSD using the International Trauma Questionnaire (ITQ)....

Network analysis of COVID-19-related PTSD symptoms in China: the similarities and differences between the general population and PTSD sub-population

Fan Yang, Mingqi Fu, Ning Huang, Farooq Ahmed, Muhammad Shahid, Bo Zhang, Jing Guo & Paul Lodder
Background and Objectives: Prevalent Post-traumatic Stress Disorder (PTSD) negatively affected individuals during the COVID-19 pandemic. Using network analyses, this study explored the construct of PTSD symptoms during the COVID-19 pandemic in China to identify similarities and differences in PTSD symptom network connectivity between the general Chinese population and individuals reporting PTSD. Methods: We conducted an online survey recruiting 2858 Chinese adults. PTSD symptoms were measured using the PCL-5 and PTSD was determined according to the...

Study on the working mechanism of fluid loss additive for chlorination titanium blast furnace slag

Ping Zhou, Yuanpeng Wu, Huiting Liu, Ming Li, Weiyuan Xiao, Meng Liu, Jianzhang Hao, Yanming Li & Chengxin Li
The chlorination titanium blast furnace slag belongs to industrial waste, but after grinding, they can be used to prepare cementing fluids to realize the secondary utilization of solid waste resources. As a common additive, fluid loss additives are mostly used in oil well cement systems, and there is still a lot of room for development when applied to chlorination titanium blast furnace slag systems. In this paper, the AMPS/DN-1/DMC/AA tetramer fluid loss additive was synthesized...

Co-delivery of paclitaxel (PTX) and docosahexaenoic acid (DHA) by targeting lipid nanoemulsions for cancer therapy

Bo Li, Tingfei Tan, Weiwei Chu, Ying Zhang, Yuanzi Ye, Shanshan Wang, Yan Qin, Jihui Tang & Xi Cao
Breast cancer is one of the most common types of cancer in female patients with high morbidity and mortality. Multi-drug chemotherapy has significant advantages in the treatment of malignant tumors, especially in reducing drug toxicity, increasing drug sensitivity and reducing drug resistance. The objective of this research is to fabricate lipid nanoemulsions (LNs) for the co-delivery of PTX and docosahexaenoic acid (DHA) with folic acid (FA) decorating (PTX/DHA-FA-LNs), and investigate the anti-tumor activity of the...

A new cyclopentenone derivative from Trichoderma atroviride HH-01

Li Zhu, Jia-Peng Wang, Feng Hao, Dong Gan, Xiao-Ran Zhang, Chen-Zhe Li, Cheng-Yao Wang, Liang Zhang & Le Cai
A new cyclopentenone derivative, atrovinol (1), together with ten known compounds (2-11) were isolated from Trichoderma atroviride HH-01, an endophytic fungus from Illigera rhodantha (Hernandiaceae). Their structures were identified by HRESIMS, 1 D/2D NMR, and electronic circular dichroism (ECD) spectra. Compound 1 exhibited moderate inhibitory activity against Staphylococcus aureus and Bacillus subtilis with MIC values of 8.0 µg/mL and 16.0 µg/mL, respectively.

MiR-3138 deteriorates the insulin resistance of HUVECs via KSR2/AMPK/GLUT4 signaling pathway

Yan Chen, Da Lin, Changxuan Shi, Liang Guo, Linhua Liu, Lin Chen, Ting Li, Ying Liu, Chengchao Zheng, Xintong Chi, Chun Meng & Yaoming Xue
Insulin resistance (IR) is a complex pathological condition resulting from the dysregulation of cellular response to insulin hormone in insulin-dependent cells and is recognized as a pathogenic hallmark and strong risk factor for metabolic syndrome. The present study aims to elucidate the molecular mechanism of the pathogenesis of IR. Here, we used human umbilical vein endothelial cells (HUVECs) to establish the IR cell model induced by 1 × 10−6 mmol/L insulin. After 48 h, reactive...

Antifungal Activity of an Endophytic Fungus Aspergillus versicolor DYSJ3 from Aphanamixis grandifolia Blume against Colletotrichum musae

Xiaoyu Li, Yateng Wu & Zhiqiang Liu
An endophytic fungus strain DYSJ3 was isolated from a stem of Aphanamixis grandifolia Blume, which was identified as Aspergillus versicolor based on the morphological characteristics, internal transcribed spacer (ITS) and calmodulin gene sequences analyses. A. versicolor DYSJ3 exhibited strong antagonistic activity against Colletotrichum musae, C. gloeosporioides and Fusarium oxysporum f. sp. cubense with the inhibition rates of 61.9, 51.2 and 55.3% respectively. The antifungal metabolites mainly existed in the mycelium of A. versicolor DYSJ3, and...

Autophagy induced by Vip3Aa has a pro-survival role in Spodoptera frugiperda Sf9 cells

Xiaoyue Hou, Lu Han, Baoju An & Jun Cai
Vip3Aa is an insecticidal protein that can effectively control certain lepidopteran pests and has been used widely in biological control. However, the mechanism of action of Vip3Aa is unclear. In the present study, we showed that Vip3Aa could cause autophagy in Sf9 cells, which was confirmed by the increased numbers of GFP-Atg8 puncta, the appearance of autophagic vacuoles, and an elevated Atg8-II protein level. Moreover, we found that the AMPK-mTOR-ULK1 pathway is involved in Vip3Aa-induced...

Additional file 1 of Effectiveness of electroacupuncture for thin endometrium in infertile women: study protocol for a single-blind, randomized controlled trial

Fangyuan Li, Hua Lu, Xinxin Wang, Qi Zhang, Qianchen Liu & Tong Wang
Additional file 1.

Cement Catalyzed Valorization of Rice Straw into Upgraded Bio-Oil and Fuel Gases Using Pyrolysis Reactions

Ikram Uddin, Guijin Wang, Deyang Gao, Ning Li, Zahid Hussain & Baolin Hou
Rice straw is one of the major agricultural residues that is generated enormously in Asian countries. Thus, it is critical to develop an efficient process of converting this residue into valuable compounds in replacing fossil-based products. Herein, we developed an economically viable cement catalyst to pyrolyze the rice straw into bio-oil and fuel gas in a batch-type reactor. Under the optimized conditions, the maximum bio-oil yield of 41.07 wt.%, and gas yield of 30.53 wt.%...

Identification of the structural features of quinazoline derivatives as EGFR inhibitors using 3D-QSAR modeling, molecular docking, molecular dynamics simulations and free energy calculations

Fangfang Wang, Wei Yang, Hongping Liu & Bo Zhou
Epidermal growth factor receptor (EGFR) is a promising target for the treatment of different types of malignant tumors. Therefore, a combined molecular modeling study was performed on a series of quinazoline derivatives as EGFR inhibitors. The optimum ligand-based CoMFA and CoMSIA models showed reliable and satisfactory predictability (with R2cv=0.681, R2ncv=0.844, R2pred=0.8702 and R2cv=0.643, R2ncv=0.874, R2pred=0.6423). The derived contour maps provide structural features to improve inhibitory activity. Furthermore, the contour maps, molecular docking, and molecular dynamics...

Ensemble and calibration multiply robust estimation for quantile treatment effect

Xiaohong He & Lei Wang
Quantile treatment effects can be important causal estimands in the evaluation of biomedical treatments or interventions for health outcomes such as birthweight and medical cost. However, the existing estimators require either a propensity score model or a conditional density vector model is correctly specified, which is difficult to verify in practice. In this paper, we allow multiple models for propensity score and conditional density vector, then construct a class of calibration estimators based on multiple...

Carbonized rice husk coated solar absorber for clean water generation from seawater with a solar still

Wong Min Jin Karen, C. Y. Wong, Zhipeng Wang, Willey Y. H. Liew & G. J. H. Melvin
This study demonstrated the generation of clean water from seawater collected at the beach coast in Universiti Malaysia Sabah, Malaysia, with carbonized rice husk coated melamine sponge as solar absorber by a solar still. Melamine sponge was utilized as a seawater transportation medium since its porous structure is excellent in channelling the seawater. Whereas carbonized rice husk was used as the photothermal conversion material for its efficient heat absorption due to its black colour and...

sj-pdf-2-ppa-10.1177_09520767211034664 - Supplemental material for The evolution of collaborative networks: A social network analysis of Chinese environmental protection policy

Yanwei Li & Jing Huang
Supplemental material, sj-pdf-2-ppa-10.1177_09520767211034664 for The evolution of collaborative networks: A social network analysis of Chinese environmental protection policy by Yanwei Li and Jing Huang in Public Policy and Administration

Trypanosoma evansi evades host innate immunity by releasing extracellular vesicles to activate TLR2-AKT signaling pathway

Ran Wei, Xin Li, Xiaocen Wang, Nan Zhang, Yuru Wang, Xichen Zhang, Pengtao Gong & Jianhua Li
Surra, one of the most important animal diseases with economic consequences in Asia and South America, is caused by Trypanosoma evansi. However, the mechanism of immune evasion by T. evansi has not been extensively studied. In the present study, T. evansi extracellular vesicles (TeEVs) were characterized and the role of TeEVs in T. evansi infection were examined. The results showed that T. evansi and TeEVs could activate TLR2-AKT pathway to inhibit the secretions of IL-12p40,...

Cross-cultural adaptation, reliability, and validity of the Chinese version of the Acceptance and Action Questionnaire-Adult Hearing Loss

Ying Yang, Yulu Liu, Yanan Xiao, Lianchi Zhang, Yan Li, Hong Zhu & Jin Bian
Few mental health assessment tools are available for people with hearing loss (HL) in China. The Acceptance and Action Questionnaire-Adult Hearing Loss (AAQ-AHL) has been specifically designed to assess psychological inflexibility in adults with HL and may help assess mental health status promptly for targeted psychological interventions. The study aimed to investigate the cross-cultural validity and reliability of the Chinese version of the AAQ-AHL to assess its applicability to teenagers and adults with HL in...

Additional file 1 of Effect of preoperative CT angiography examination on the clinical outcome of patients with BMI ≥ 25.0 kg/m2 undergoing laparoscopic gastrectomy: study protocol for a multicentre randomized controlled trial

Cheng Meng, Shougen Cao, Xiaodong Liu, Leping Li, Qingsi He, Lijian Xia, Lixin Jiang, Xianqun Chu, Xinjian Wang, Hao Wang, Xizeng Hui, Zuocheng Sun, Shusheng Huang, Quanhong Duan, Daogui Yang, Huanhu Zhang, Yulong Tian, Zequn Li & Yanbing Zhou
Additional file 1. Standard Protocol Items: Recommendations for Interventional Trials (SPIRIT) 2013 checklist.

A novel genetic variant potentially altering the expression of MANBA in the cerebellum associated with attention deficit hyperactivity disorder in Han Chinese children

Xinzhen Chen, Ting Yao, Jinliang Cai1, Qi Zhang, Shanyawen Li, Huiru Li, Xihang Fu & Jing Wu
To get additional insight into the genetic factors of attention deficit hyperactivity disorder (ADHD). First, we performed a transcriptome-wide association study (TWAS) integrating human cerebellum-specific variant-expression/splicing correlations to identify ADHD susceptibility genes. Then, the associations between expression/splicing quantitative trait loci (eQTLs/sQTLs) of the transcriptome-wide significant genes and ADHD were observed in a case-control study of Han Chinese children. Furthermore, dual luciferase reporter gene assays were performed to validate the regulatory function of ADHD risk variants....

Supplemental Material, sj-pdf-1-ssc-10.1177_08944393211042575 - Strategic Framing Matters But Varies: A Structural Topic Modeling Approach to Analyzing China’s Foreign Propaganda About the 2019 Hong Kong Protests on Twitter

Maggie Mengqing Zhang, Xiao Wang & Yang Hu
Supplemental Material, sj-pdf-1-ssc-10.1177_08944393211042575 for Strategic Framing Matters But Varies: A Structural Topic Modeling Approach to Analyzing China’s Foreign Propaganda About the 2019 Hong Kong Protests on Twitter by Maggie Mengqing Zhang, Xiao Wang and Yang Hu in Social Science Computer Review

Single-machine scheduling with energy generation and storage systems

Hyun-Jung Kim, Eun-Seok Kim, Jun-Ho Lee, Lixin Tang & Yang Yang
This paper considers a single-machine scheduling problem with sequence-dependent setup times and energy-generation and storage systems. Each job requires a sequence-dependent setup to be processed on the machine, and both setup and processing of the job require job-dependent amounts of energy. The energy consumed by the machine can be bought from an Electric Power Company (EPC) or generated by own Distributed Energy Resource (DER), such as solar photovoltaic or wind, and the energy can be...

sj-pdf-1-jfi-10.1177_0192513X211042843 – Supplemental Material for Interparental Conflict and Chinese Children’s Social Development

Fengjiao Xu, Xinyi Chen, Haiyan Xing & Hongmei Wang
Supplemental Material, sj-pdf-1-jfi-10.1177_0192513X211042843 for Interparental Conflict and Chinese Children’s Social Development by Fengjiao Xu, Xinyi Chen, Haiyan Xing and Hongmei Wang in Journal of Family Issues

Registration Year

  • 2021

Resource Types

  • Text


  • Sichuan University
  • Chinese Academy of Medical Sciences & Peking Union Medical College
  • Zhejiang University
  • Shanghai Jiao Tong University
  • Sun Yat-sen University
  • Fudan University
  • Huazhong University of Science and Technology
  • Chinese Academy of Sciences
  • Capital Medical University
  • Shandong University