Search results for: Mengya Liu

Items from 1 to 14 out of 14 results

article

In Situ Growth of High‐Quality Single‐Crystal Twisted Bilayer Graphene on Liquid Copper

Shan Liu, Baizhe He, Wei Yang, Xiahong Zhou, more

Advanced Materials > 36 > 11 > n/a - n/a

Twisted bilayer graphene (TBG) generates significant attention in the fundamental research of 2D materials due to its distinct twist‐angle‐dependent properties. Exploring the efficient production of TBG with a wide range of twist angles stands as one of the major frontiers in moiré materials. Here, the local space‐confined chemical vapor deposition growth technique for high‐quality single‐crystal...

article

Magnetoresistance in Organic Spin Valves Based on Acid‐Exfoliated 2D Covalent Organic Frameworks Thin Films

Xitong Liu, Hao Li, Weifeng Zhang, Zhen Yang, more

Angewandte Chemie > 135 > 44 > n/a - n/a

Covalent organic frameworks (COFs), as a burgeoning class of crystalline porous materials, have made significant progress in their application to optoelectronic devices such as field‐effect transistors, memristors, and photodetectors. However, the insoluble features of microcrystalline two‐dimensional (2D) COF powders limit development of their thin film devices. Additionally, the exploration of spin...

article

Magnetoresistance in Organic Spin Valves Based on Acid‐Exfoliated 2D Covalent Organic Frameworks Thin Films

Xitong Liu, Hao Li, Weifeng Zhang, Zhen Yang, more

Angewandte Chemie International Edition > 62 > 44 > n/a - n/a

article

Semiparametric pseudo‐score and pseudo‐likelihood for evaluating correlate of protection in vaccine trials

Wanying Ma, Mengya Liu, Jian Zhu, Qing Li, more

Statistics in Medicine > 42 > 19 > 3317 - 3332

In vaccine clinical trials, vaccine efficacy endpoint analysis is usually associated with in high cost or extended study duration, due to the generally low infection rate. Correlate of protection (CoP), which refers to surrogate endpoint, usually immunological response, that can reliably predict the treatment effect, provides a more efficient and less costly approach to evaluate the vaccine. To handle...

article

Unsupervised Template Warp Consistency for Implicit Surface Correspondences

Mengya Liu, Ajad Chhatkuli, Janis Postels, Luc Van Gool, more

Computer Graphics Forum > 42 > 2 > 77 - 87

Unsupervised template discovery via implicit representation in a category of shapes has recently shown strong performance. At the core, such methods deform input shapes to a common template space which allows establishing correspondences as well as implicit representation of the shapes. In this work we investigate the inherent assumption that the implicit neural field optimization naturally leads...

article

Modeling normalcy‐dominant ordinal time series: An application to air quality level

Mengya Liu, Fukang Zhu, Ke Zhu

Journal of Time Series Analysis > 43 > 3 > 460 - 478

Inspired by the study of air quality level data, this article proposes a new model for the normalcy‐dominant ordinal time series. The proposed model is based on a new zero‐one‐inflated bounded Poisson distribution with an autoregressive feedback mechanism in intensity. Under certain conditions, the stationarity and maximum likelihood estimation are established for the model. Moreover, a Lagrange multiplier...

article

A new wideband filtering power divider with ultra‐wide stopband using microstrip/slotline transitions

Wang Chen, Zhuowei Zhang, Chengjia Huang, Yuan Chen, more

International Journal of RF and Microwave Computer‐Aided Engineering > 32 > 4 > n/a - n/a

In this article, a wideband filtering power divider (FPD) is proposed based on a new design scheme originating from the microstrip/slotline broadside‐coupled structure. It is simply composed of one microstrip T‐junction and two transmission lines on the top layer, and a pair of U‐shape slotline resonators as well as one isolation resistor‐loaded slotline stub with a circular slot terminal in the ground...

article

BCL6 mediates the effects of Gastrodin on promoting M2-like macrophage polarization and protecting against oxidative stress-induced apoptosis and cell death in macrophages

Jing Jia, Xiaojie Shi, Xiaoqian Jing, Jianguo Li, more

Biochemical and Biophysical Research Communications > 2017 > 486 > 2 > 458-464

Cerebral palsy (CP) is the most common childhood disability worldwide, yet biomarkers for predicting CP are lacking. By subjecting peripheral blood samples from 62 CP patients and 30 healthy controls to Affymetrix GeneChip^® PrimeView™ HumanGene Expression Microarray analysis, we identified the novel biomarker B-cell lymphoma 6 (BCL6) as the most upregulated gene in the CP samples. Gastrodin is a traditional...

article

Mapping cell populations in flow cytometry data for cross‐sample comparison using the Friedman–Rafsky test statistic as a distance measure

Chiaowen Hsiao, Mengya Liu, Rick Stanton, Monnie McGee, more

Cytometry Part A > 89 > 1 > 71 - 88

Flow cytometry (FCM) is a fluorescence‐based single‐cell experimental technology that is routinely applied in biomedical research for identifying cellular biomarkers of normal physiological responses and abnormal disease states. While many computational methods have been developed that focus on identifying cell populations in individual FCM samples, very few have addressed how the identified cell...

article

Gene expression pattern analysis of a recombinant Escherichia coli strain possessing high growth and lycopene production capability when using fructose as carbon source

Wen Du, Yajian Song, Mengya Liu, Haixu Yang, more

Biotechnology Letters > 2016 > 38 > 9 > 1571-1577

Objective Escherichia coli K12f-pACLYC has a high capability for growth and lycopene production when using fructose as carbon source and the transcription of genes involved was compared in glucose-grown and fructose-grown cells. Results Escherichia coli K12f-pACLYC was grown on 10 g fructose l⁻¹ and reached 4.6 g DCW l⁻¹ with lycopene at 192 mg g DCW⁻¹, values that are 3-fold...

article

Effect of thermal treatment on the flavor generation from Maillard reaction of xylose and chicken peptide

Jianbin Liu, Mengya Liu, Congcong He, Huanlu Song, more

LWT - Food Science and Technology > 2015 > 64 > 1 > 316-325

In this research, effect of the thermal treatment on the flavor generation from Maillard reaction of xylose and chicken peptide was studied. In summary, high temperature (>100 °C) could remarkably increase the formation of meaty aroma generated by xylose and chicken peptide through a Maillard reaction system, while lower temperature and longer heating tended to generate a broth-like taste (i.e...

article

A comparative study of aroma‐active compounds between dark and milk chocolate: relationship to sensory perception

Jianbin Liu, Mengya Liu, Congcong He, Huanlu Song, more

Journal of the Science of Food and Agriculture > 95 > 6 > 1362 - 1372

BACKGROUNDThe most important aroma‐active compounds of two types of chocolate and cocoa liquor used for their production were analysed by gas chromatography–olfactometry–mass spectrometry (GC‐O‐MS) and aroma extract dilution analysis (AEDA). Furthermore, the relationship between odorants and sensory perception of chocolate was measured by quantitative analysis, sensory evaluation and correlation analysis...

article

The Transcription Factors Egr2 and Egr3 Are Essential for the Control of Inflammation and Antigen-Induced Proliferation of B and T Cells

Suling Li, Tizong Miao, Meera Sebastian, Punamdip Bhullar, more

Immunity > 2012 > 37 > 4 > 685-696

Lymphocytes provide optimal responses against pathogens with minimal inflammatory pathology. However, the intrinsic mechanisms regulating these responses are unknown. Here, we report that deletion of both transcription factors Egr2 and Egr3 in lymphocytes resulted in a lethal autoimmune syndrome with excessive serum proinflammatory cytokines but also impaired antigen receptor-induced proliferation...

chapter

Clustering univariate time series into stationary and non-stationary

Heshan Guan, Shuliang Zou, Mengya Liu, Tieli Wang

2010 Seventh International Conference on Fuzzy Systems and Knowledge Discovery > 6 > 2782 - 2785

2010 Seventh International Conference on Fuzzy Systems and Knowledge Discovery (FSKD)

Lots of researchers have paid attention to time series clustering in recent years. This paper studies the stationarity analysis for autoregressive and moving average models of time series with clustering, firstly presents a set of nonlinear functions, or rather the square function along with logarithmic function to better autocorrelation function, secondly clusters time series into stationary and...

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