Search results for: Jiying Xu

Items from 1 to 12 out of 12 results

article

Evaluation of the diference in water quality between urban and suburban rivers based on self organizing map

Yaqi Jiang, Herong Gui, Chen Li, Jiayu Chen, more

Acta Geophysica > 2021 > Vol. 69, no. 5 > 1855--1864

Urban rivers play an important role in maintaining the urban aquatic ecological environment, and there are bound to be differences in the water environment quality and pollution sources due to different locations of urban rivers. Therefore, this paper selects the urban river (Tuo River) and the suburban river (Bian River) in Suzhou City, Anhui, China, as the research objects. Based on the understanding...

article

Surface plasmon resonance sensing with adjustable sensitivity based on a flexible liquid core coupling unit

Jiying Xu, Yi Chen

Talanta > 2018 > 184 > C > 468-474

The signal amplification methods of surface plasmon resonance (SPR) are mainly with sample selectivity. Herein proposed is a liquid core coupling SPR sensing method with adjustable sensitivity and universal applicability. A liquid core coupling unit and based on which a wavelength interrogation SPR sensor have been designed and constructed, in which a conventional chip could be used with an ingenious...

article

A critical review of advances in surface plasmon resonance imaging sensitivity

Chanjuan Liu, Feichi Hu, Wei Yang, Jiying Xu, more

TrAC Trends in Analytical Chemistry > 2017 > 97 > C > 354-362

Surface plasmon resonance imaging (SPRi) has more and more applications in the fields of biology and life sciences due to its unique features of label-free and high-throughput detection and workability in physiological conditions, however it is suffering from insufficient sensitivity, especially in detecting the small molecules or low level of substances. Various methods have since been developed...

chapter

A Time and Frequency Division Algorithm for Control Signaling Collision Avoidance in Standalone LTE-unlicensed Networks

Jiying Xu, Yongmei Sun, Yuefeng Ji, Yang Tian

2016 International Conference on Networking and Network Applications (NaNA) > 12 - 16

2016 International Conference on Networking and Network Applications (NaNA)

With the increasing of the data requirements, unlicensed spectrum becomes a new hot topic. LTE-Unlicensed or LTE-U has already been one of the latest groundbreaking innovations to provide high performance and seamless coverage. This paper firstly gives a comprehensive analysis on how to realize standalone LTE-U based on pre-Release 13 specifications, including initial cell search, random access and...

article

Brassica napus Cycling Dof Factor1 (BnCDF1) is involved in flowering time and freezing tolerance

Jiying Xu, Hongbao Dai

Plant Growth Regulation > 2016 > 80 > 3 > 315-322

DNA binding with One Finger (DOF) transcription factor plays important roles in many aspects of plant growth and development, but the molecular mechanisms behinds its actions in plant development and stress tolerance are little known. Here, we report on the Brassica napus DOF gene, which is homologous to Arabidopsis Cycling DOF Factor1 and functions as a transcriptional regulator with regard to flowering...

article

Red emissive cross-linked chitosan and their nanoparticles for imaging the nucleoli of living cells

Ke Wang, Xun Yuan, Zhenpeng Guo, Jiying Xu, more

Carbohydrate Polymers > 2014 > 102 > Complete > 699-707

Biocompatible glutaraldehyde-cross-linked chitosan with new red fluorescence were prepared for the first time and were shaped into nanoparticles via inverse-microemulsion method. They could luminesce at ca. 670nm either as powders and nanoparticles or in real and gelling solutions or suspensions, having a lifetime of 1.353ns and a quantum yield of 0.08 in solution or 0.01 in solid state. The new-formed...

article

Primary tumor regulates the pulmonary microenvironment in melanoma carcinoma model and facilitates lung metastasis

Mingyong Han, Jiying Xu, Yuli Bi, Man Jiang, more

Journal of Cancer Research and Clinical Oncology > 2013 > 139 > 1 > 57-65

Purpose Lung is a common site for the occurrence of melanoma metastasis, the mechanism by which primary melanoma affects the lungs before tumor cells arrival is poorly understood. The aim of this study was to explore lung microenvironment response to primary melanoma in the premetastatic phase. Methods Melanoma cells (B16) were implanted into the Balb/c mice back, pulmonary inflammation response...

article

Post-experimental denoising and background subtraction of surface plasmon resonance images for better quantification

Jun Chen, Yi Chen, Jiying Xu, Yiming Zhang, more

Chemometrics and Intelligent Laboratory Systems > 2012 > 114 > Complete > 56-63

A method was proposed to improve the quality of noise- and/or uneven background-degraded images obtained by surface plasmon resonance imaging experiments. The noise was suppressed by adaptive median filter in combination with wavelet transform, while the uneven background was flattened by subtraction with a three-dimensionally fitted surface. These operations improved the signal-to-noise ratio from...

article

Obesity and overweight prevalence and its association with undiagnosed hypertension in Shanghai population, China: a cross-sectional population-based survey

Xinjian Li, Jiying Xu, Haihong Yao, Yanfei Guo, more

Frontiers of Medicine > 2012 > 6 > 3 > 322-328

The aim of this study was to determine the prevalence of overweight and obese subjects in the Shanghai population of China and its association with undiagnosed hypertension, by taking age, gender and place of residence (urban or suburban) into account. A cross-sectional population-based survey was conducted in 2007. The sample included 13 359 participants aged 15–69 years.Weight, height, and blood...

article

Safety evaluation of tea (Camellia sinensis (L.) O. Kuntze) flower extract: Assessment of mutagenicity, and acute and subchronic toxicity in rats

Bo Li, Yuxia Jin, Yi Xu, Yuanyuan Wu, more

Journal of Ethnopharmacology > 2011 > 133 > 2 > 583-590

Tea (Camellia sinensis (L.) O. Kuntze, Theaceae) flowers possess many physiological functions and have been used in traditional medicines for deodorization, skin care, cough suppressant and expectorant in China. However, there is a little information about its possible toxicity.The present investigation was carried out to evaluate the safety of tea flower extract by mutagenicity and acute and subchronic...

article

A novel electrodeposited nanostructured Ni coating with grain size gradient distribution

Liyuan Qin, Jiying Xu, Jianshe Lian, Zhonghao Jiang, more

Surface & Coatings Technology > 2008 > 203 > 1-2 > 142-147

A grain size gradient (GSG) nanostructured (NS) Ni coating on steel sheet was prepared by gradually increasing the grain refiner (saccharin) concentration during direct-current electrodeposition. The X-ray diffractometer (XRD) analysis indicated that preferred orientation of the deposit changes to (111) from (200) crystal orientation with increasing the saccharin concentration. The grain size varies...

article

Experimental Research on Focusing Property of Radially Polarized Beam Based on Solid Immersion Lens

Qing Li, Jia Wang, Jiying Xu, Jiefeng Xi, more

Optical Review > 2006 > 13 > 4 > 283-287

Realization of a near-field optical virtual probe based on an evanescent Bessel beam is strongly dependent on a radially polarized beam; this makes it essential to study the focusing property of the beam. In this paper, two experimental setups based on a fiber device and a liquid crystal device, respectively, are built to generate a radially polarized beam. This beam and an annular radially polarized...

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Search results for: Jiying Xu

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