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  1. No Access

    Article

    Rutin alleviates Sjogren’s syndrome via CaR/NLRP3/NF-κB signal pathway

    Sjogren’s syndrome (SS) is an autoimmune disease. Its mechanism and treatment methods are unclear. The purpose of this study was to investigate the effects of rutin (Ru) on SS. Proteomics was used to detect di...

    **g He, Meimei Xu, Suling Wu in In Vitro Cellular & Developmental Biology - Animal (2024)

  2. No Access

    Article

    An Exploration of How Students Prioritize Help-Seeking Sources in Online Learning Environments

    The aim of this study is to analyze how undergraduate learners seek academic help online at a public university in the United States with Q methodology. Upon completion of the study, we identified three groups...

    Fan Yang, **gui Yang, Meimei Xu, Jill Stefaniak in TechTrends (2024)

  3. No Access

    Article

    Clinical significance of the expression levels of serum transforming growth factor-β and CXC type chemokine ligand 13 in primary Sjogren’s syndrome patients

    The aim of this study was to investigate the expression levels of the serum transforming growth factor-β1 (TGF-β1) CXC type chemokine ligand 13 (CXCL13) in primary Sjogren’s syndrome (pSS) patients and its cor...

    **g He, Changsong Xu, Yamei Zhu, Meimei Xu, Yueyue Chen in Clinical Rheumatology (2023)

  4. Article

    Open Access

    Recent development of surface-enhanced Raman scattering for biosensing

    Surface-Enhanced Raman Scattering (SERS) technology, as a powerful tool to identify molecular species by collecting molecular spectral signals at the single-molecule level, has achieved substantial progresses ...

    Chenglong Lin, Yanyan Li, Yusi Peng, Shuai Zhao, Meimei Xu in Journal of Nanobiotechnology (2023)

  5. Article

    Open Access

    Oryzalexin S biosynthesis: a cross-stitched disappearing pathway

    Rice produces many diterpenoid phytoalexins and, reflecting the importance of these natural products in this important cereal crop plant, its genome contains three biosynthetic gene clusters (BGCs) for such metab...

    Le Zhao, Richard Oyagbenro, Yiling Feng, Meimei Xu, Reuben J. Peters in aBIOTECH (2023)

  6. No Access

    Article

    Pre-Service Teachers’ Instructional Design Decision-Making for Technology Integration

    Instructional design problems are one of the most complicated and ill-structured types of problems due to the dynamic nature of design problems and decision-making processes. Formulating instructional design s...

    Meimei Xu, Jill Stefaniak in TechTrends (2023)

  7. No Access

    Article

    A Design-Based Research Study Exploring Pre-service Teachers’ Instructional Design Decision-Making for Technology Integration

    Teachers’ decisions for instructional design and technology integration influence their teaching practices and student learning performances. Technology-integrated learning environments have been widely levera...

    Meimei Xu, **gui Yang, Jill Stefaniak in TechTrends (2022)

  8. No Access

    Article

    Fostering pedagogical reasoning and dynamic decision-making practices: a conceptual framework to support learning design in a digital age

    Digital learning environments are dynamic systems that require learning designers to leverage environmental conditions and the needs of their learners. While many frameworks and studies have explored pedagogic...

    Jill Stefaniak, Tian Luo, Meimei Xu in Educational Technology Research and Development (2021)

  9. No Access

    Article

    Embracing Children’s Voice to Support Teachers’ Pedagogical Reasoning and Decision-Making for Technology Enhanced Practices in Early Childhood Classrooms

    While several studies have been conducted exploring teachers’ pedagogical reasoning practices, few studies have explored the influence of learning audiences’ impact on teacher’s decisions related to technology...

    Meimei Xu, Jill Stefaniak in TechTrends (2021)

  10. No Access

    Article

    Tunable upconversion luminescence and enhanced temperature sensitive properties from Bi2Ti2O7:Yb3+/Er3+ nanofibers

    Unraveling the morphology of the sensing material is of paramount in realizing the better sensitivity. For this purpose, the Bi2Ti2O7:Yb3+/Er3+ nanofibers (0:1, 4:1, 8:1, 15:1, 20:1) and nanoparticles were synthe...

    Meimei Xu, Wanyin Ge, Ye Tian, Yuanting Wu, Yongxiang Li in Journal of Materials Science (2021)

  11. No Access

    Article

    An Examination of the Systemic Reach of Instructional Design Models: a Systematic Review

    The majority of instructional design models have directed focus on instructional design activities such as analysis, design, development, implementation, and evaluation. Criticisms regarding instructional desi...

    Jill Stefaniak, Meimei Xu in TechTrends (2020)

  12. Article

    Author Correction: CYP72A enzymes catalyse 13-hydrolyzation of gibberellins

    An amendment to this paper has been published and can be accessed via a link at the top of the paper.

    Juan He, Qingwen Chen, Peiyong **n, Jia Yuan, Yihua Ma, Xuemei Wang in Nature Plants (2019)

  13. No Access

    Article

    CYP72A enzymes catalyse 13-hydrolyzation of gibberellins

    Bioactive gibberellins (GAs or diterpenes) are essential hormones in land plants that control many aspects of plant growth and development. In flowering plants, 13-OH GAs (having low bioactivity—for example, GA1)...

    Juan He, Qingwen Chen, Peiyong **n, Jia Yuan, Yihua Ma, Xuemei Wang in Nature Plants (2019)

  14. Article

    Open Access

    Spatio-temporal analysis of the relationship between meteorological factors and hand-foot-mouth disease in Bei**g, China

    Hand-foot-mouth disease (HFMD) is a common infectious disease in China and occurs mostly in infants and children. Bei**g is a densely populated megacity, in which HFMD has been increasing in the last decade. ...

    Lin Tian, Fengchao Liang, Meimei Xu, Lei Jia, **aochuan Pan in BMC Infectious Diseases (2018)

  15. No Access

    Article

    Absolute quantitative lipidomics reveals lipidome-wide alterations in aging brain

    The absolute quantitation of lipids at the lipidome-wide scale is a challenge but plays an important role in the comprehensive study of lipid metabolism.

    Jia Tu, Yandong Yin, Meimei Xu, Ruohong Wang, Zheng-Jiang Zhu in Metabolomics (2017)

  16. No Access

    Chapter and Conference Paper

    Terminal Sliding Mode Control of a Boost Converter

    In this paper, a terminal sliding mode (TSM) control method for the boost converter is studied. First of all, the nonlinear model of boost converter is established. Then a change of coordinate is employed such...

    Meimei Xu, Li Ma, Shihong Ding in Proceedings of the 2015 Chinese Intelligen… (2016)

  17. No Access

    Article

    Optimization of recombinant expression enables discovery of novel cytochrome P450 activity in rice diterpenoid biosynthesis

    The oxygenation reactions catalyzed by cytochromes P450 (CYPs) play critical roles in plant natural products biosynthesis. At the same time, CYPs are one of most challenging enzymes to functionally characteriz...

    Naoki Kitaoka, Yisheng Wu, Meimei Xu in Applied Microbiology and Biotechnology (2015)

  18. Article

    Open Access

    Spatiotemporal analysis of particulate air pollution and ischemic heart disease mortality in Bei**g, China

    Few studies have used spatially resolved ambient particulate matter with an aerodynamic diameter of <10 μm (PM10) to examine the impact of PM10 on ischemic heart disease (IHD) mortality in China. The aim of our s...

    Meimei Xu, Yuming Guo, Yajuan Zhang, Dane Westerdahl, Yunzheng Mo in Environmental Health (2014)

  19. Article

    Open Access

    Increasing diterpene yield with a modular metabolic engineering system in E. coli: comparison of MEV and MEP isoprenoid precursor pathway engineering

    Engineering biosynthetic pathways in heterologous microbial host organisms offers an elegant approach to pathway elucidation via the incorporation of putative biosynthetic enzymes and characterization of resul...

    Dana Morrone, Luke Lowry, Mara K. Determan in Applied Microbiology and Biotechnology (2010)