Search results for: Zihan Zhang

Items from 1 to 20 out of 28 results

article

Ultrasound-promoted synthesis of γ-graphyne for supercapacitor and photoelectrochemical applications

Wen Ding, Mingxuan Sun, Zihan Zhang, Xiaojing Lin, more

Ultrasonics Sonochemistry > 2020 > 61 > C

As a novel type of carbon materials, graphynes possesses the merits of high carrier mobility and large surface areas, etc. However, to date, the main research of graphynes is focused on theoretical calculation whereas few strategies have been reported for the fabrication of graphynes. In this work, a facile method named ultrasound-promoted synthesis was developed to fabricate γ-graphyne using PhBr...

article

The CAFA challenge reports improved protein function prediction and new functional annotations for hundreds of genes through experimental screens

Naihui Zhou, Yuxiang Jiang, Timothy R. Bergquist, Alexandra J. Lee, more

Genome Biology > 2019 > 20 > 1 > 1-23

Background The Critical Assessment of Functional Annotation (CAFA) is an ongoing, global, community-driven effort to evaluate and improve the computational annotation of protein function. Results Here, we report on the results of the third CAFA challenge, CAFA3, that featured an expanded analysis over the previous CAFA rounds, both in terms of volume of data analyzed and the types of analysis performed...

article

The security of radical trachelectomy in the treatment of IA–IIA cervical carcinoma requires further evaluation: updated meta-analysis and trial sequential analysis

Ying Feng, Zihan Zhang, Tong Lou, Shuzhen Wang, more

Archives of Gynecology and Obstetrics > 2019 > 299 > 6 > 1525-1536

Purpose The aim of this study was to assess the security of radical trachelectomy (RT) in the treatment of IA–IIA cervical carcinoma and conducted a new survey based upon the results of previous researches. Methods The PMC, PubMed, Web of Science, Cochrane and EMBASE databases were retrieved to collect prospective clinical controlled trials (CCTs) published from 1984 to 2018. The oncologic outcomes...

article

Follistatin-like 1 protects mesenchymal stem cells from hypoxic damage and enhances their therapeutic efficacy in a mouse myocardial infarction model

Han Shen, Guanghao Cui, Yanqiong Li, Wenxue Ye, more

Stem Cell Research & Therapy > 2019 > 10 > 1 > 1-14

Background Cell therapy remains the most promising approach against ischemic heart injury. However, poor survival of engrafted cells in ischemic sites diminishes its therapeutic efficacy. Follistatin-like 1 (Fstl1) is documented as a novel pro-survival cardiokine for cardiomyocytes, and it is protective during ischemic heart injury. In the present study, we characterize the potential of Fstl1 as an...

article

Application of tyrosine-tryptophan fluorescence resonance energy transfer in monitoring protein size changes

Kenneth B. Davis, Zihan Zhang, Elizaveta A. Karpova, Jun Zhang

Analytical Biochemistry > 2018 > 557 > C > 142-150

Monitoring protein size changes has versatile applications in studying protein folding/unfolding, conformational rearrangements, and ligand binding. Traditionally, FRET has been used to obtain this information. However, the use of FRET often requires covalent attachment of exogenous fluorophores. Although intrinsic FRET also exists between tyrosine and tryptophan residues, it has been underused because...

article

Van Der Waals Heterostructures: Interfacial Charge Behavior Modulation in Perovskite Quantum Dot‐Monolayer MoS₂ 0D‐2D Mixed‐Dimensional van der Waals Heterostructures (Adv. Funct. Mater. 34/2018)

Hualin Wu, Zhuo Kang, Zihan Zhang, Zheng Zhang, more

Advanced Functional Materials > 28 > 34 > n/a - n/a

To determine whether the traditional band alignment protocol can be applied in tuning interfacial charge behavior of 0D‐2D mixed‐dimensional van der Waals heterostructures (MvdWHs), Zhuo Kang, Yue Zhang, and co‐workers realized a series of 0D‐2D MvdWHs with various electronic structures in article number 1802015. Indeed, the photoinduced interfacial charge behavior is effectively modulated, as verified...

article

Interfacial Charge Behavior Modulation in Perovskite Quantum Dot‐Monolayer MoS₂ 0D‐2D Mixed‐Dimensional van der Waals Heterostructures

Hualin Wu, Zhuo Kang, Zihan Zhang, Zheng Zhang, more

Advanced Functional Materials > 28 > 34 > n/a - n/a

Fundamental understanding of charge behavior inside heterostructures is of vital importance for advancing high‐performance optoelectronic applications. However, the charge behavior of 0D‐2D mixed‐dimensional van der Waals heterostructures (MvdWHs) in the photoexcited state remains elusive. In this work, an energy band alignment protocol is adopted to realize effective energy band structure engineering...

article

The safety of fertility preservation for microinvasive cervical adenocarcinoma: a meta-analysis and trial sequential analysis

Ying Feng, Zihan Zhang, Tong Lou, Shuzhen Wang, more

Archives of Gynecology and Obstetrics > 2018 > 298 > 3 > 465-475

Purpose This study sought to evaluate the safety of conservative treatment in the management of patients with microinvasive cervical adenocarcinoma. Methods The PubMed, PMC, EMBASE, Web of Science and Cochrane databases were searched to collect correlational studies published in English between January 1949 and May 2018. Series reports that evaluating the oncological prognoses of patients with microinvasive...

article

FdICIC: Inter-cell Interference Coordination for Full-Duplex Cellular Systems

Zihan Zhang, Guanding Yu

Wireless Personal Communications > 2018 > 101 > 1 > 1-22

This paper investigates the inter-cell interference coordination (ICIC) for heterogeneous networks (HetNets) with full-duplex (FD) small cell base stations to maximize the overall system throughput. To be compatible with the enhanced ICIC (eICIC) and the further enhanced ICIC (FeICIC) of existing LTE standards, the proposed FdICIC technique adopts cell range expansion and almost blank subframe to...

article

Fruit Spray of 24-Epibrassinolide and Fruit Shade Alter Pericarp Photosynthesis Activity and Seed Lipid Accumulation in Styrax tonkinensis

Zihan Zhang, Ying Luo, Xiaojun Wang, Fangyuan Yu

Journal of Plant Growth Regulation > 2018 > 37 > 4 > 1066-1084

As demand for biofuel feedstock production increases, the substitutable woody oilseed benzoin (Styrax tonkinensis (Pierre) Craib ex Hartwich) has received increased attention among Chinese researchers. However, the mechanism of seed oil regulation has not been revealed in this species. Maternal control of seed lipid content has been observed in many plant species. In this study, in planta treatments...

article

Ultra-Dense Heterogeneous Networks with Full-Duplex Small Cell Base Stations

Guanding Yu, Zihan Zhang, Fengzhong Qu, Geoffrey Ye Li

IEEE Network > 2017 > 31 > 6 > 108 - 114

The FD communication technique has been recently proposed as a new paradigm to increase the spectral efficiency of wireless systems. In this article, we investigate the application of FD communications to ultra-dense heterogeneous networks where small base stations can work in the FD mode. In such networks, it is a challenging task to coordinate various kinds of interference caused by FD communications,...

chapter

Power control, user scheduling and resource Allocation for Downlink NOMA Systems with Imperfect Channel State Information

Zihan Zhang, Qinghong Xia, Guanding Yu, Rui Liu

2017 9th International Conference on Wireless Communications and Signal Processing (WCSP) > 1 - 6

2017 9th International Conference on Wireless Communications and Signal Processing (WCSP)

Non-orthogonal multiple access (NOMA) is a promising radio access technique for the next generation (5G) cellular communication. The optimal power control, user scheduling, and resource allocation scheme to maximize the overall network throughput of downlink NOMA systems is investigated in this paper. A practical imperfect channel state information (CSI) model is adopted in our investigation where...

chapter

An area-efficient ternary full adder using hybrid SET-MOS technology

Lin Li, Zihan Zhang, Chunhong Chen

2017 IEEE 17th International Conference on Nanotechnology (IEEE-NANO) > 576 - 578

2017 IEEE 17th International Conference on Nanotechnology (IEEE-NANO)

This paper presents a novel design of ternary full adder (TFA) using hybrid single-electron transistor (SET) and MOS technology. The proposed circuit is evaluated using the Cadence Spectre simulator with 180nm CMOS technology and SET macro models under various test conditions. Results show that the proposed TFA dramatically reduces the number of transistors required with little or no loss in energy...

chapter

Improving the immunity of SET/MOS hybrid A/D converters using Boltzmann machine networks

Zihan Zhang, Chunhong Chen

2017 IEEE 17th International Conference on Nanotechnology (IEEE-NANO) > 233 - 236

2017 IEEE 17th International Conference on Nanotechnology (IEEE-NANO)

Single-electron-transistor (SET)/MOS hybrid architectures greatly simplify the design of traditional A/D converters, but are quite unreliable due to random background charges. We propose a method of implementing Boltzmann machine networks on hybrid ADCs for the improved immunity against background charges. The self-regulation with Boltzmann machines enables the digital outputs of ADC to converge to...

chapter

Interference coordination for small cell networks with full-duplex base stations

Zihan Zhang, Guanding Yu

2017 IEEE 18th International Symposium on A World of Wireless, Mobile and Multimedia Networks (WoWMoM) > 1 - 6

2017 IEEE 18th International Symposium on " World of Wireless, Mobile and Multimedia Networks (WoWMoM)

In this paper, an inter-cell interference coordination (ICIC) scheme for small cell networks with full-duplex (FD) base stations is proposed to maximize the overall system throughput. To be compatible with existing enhanced ICIC (eICIC) and further enhanced ICIC (FeICIC) techniques, the proposed ICIC scheme adopts cell range expansion and almost blank subframe to coordinate various kinds of interference...

article

Carbon competition between fatty acids and starch during benzoin seeds maturation slows oil accumulation speed

Zihan Zhang, Xiaojun Wang, Ying Luo, Fangyuan Yu

Trees > 2017 > 31 > 3 > 1025-1039

Key message The carbon flow balance is shifted to starch rather than oil accumulation during benzoin seed development stage (80–120 DAF) and thereby lipid deposition speed slows down. Abstract Benzoin [Styrax tonkinensis (Pierre) Craib ex Hartwich] is a woody oilseed species with potential value as a biofuel feedstock. However, the continuous drop in seed crude fat concentration during maturation...

article

A pilot study of intraluminal brachytherapy using 125I seed strand for locally advanced pancreatic ductal adenocarcinoma with obstructive jaundice

MinJie Yang, ZhiPing Yan, JianJun Luo, QingXin Liu, more

Brachytherapy > 2016 > 15 > 6 > 859-864

To investigate the safety and feasibility of intraluminal brachytherapy using ¹²⁵I seed strand for locally advanced pancreatic ductal adenocarcinoma with obstructive jaundice.From January 2010 to February 2015, 18 consecutive patients diagnosed with locally advanced, nonmetastatic, inoperable pancreatic ductal adenocarcinoma with obstructive jaundice were enrolled and underwent intraluminal brachytherapy...

chapter

Joint user pairing, resource block allocation, and power control for full-duplex cellular networks

Zihan Zhang, Guanding Yu, Dingzhu Wen, Rui Liu

2016 IEEE/CIC International Conference on Communications in China (ICCC) > 1 - 6

2016 IEEE/CIC International Conference on Communications in China (ICCC)

Full-duplex (FD) communication can be applied to the cellular network to improve the spectral efficiency, which has been recently proved feasible because of the advanced self-interference cancellation techniques. In FD communication enabled cellular networks, how to effectively pair a downlink user and an uplink user to transmit on the same wireless channel is a critical and challenging issue. To...

article

Preliminary Results of Main Portal Vein Tumor Thrombus Treated by Endovascular Brachytherapy Combined with Sorafenib

Zihan Zhang, Jianjun Luo, Zhiping Yan, Lingxiao Liu

Brachytherapy > 2016 > 15 > S1 > S139-S140

article

Carbon emissions in China׳s cement industry: A sector and policy analysis

Boqiang Lin, Zihan Zhang

Renewable and Sustainable Energy Reviews > 2016 > 58 > C > 1387-1394

This paper analyzed the changes in carbon-dioxide (CO₂) emission in China׳s cement industry over the period 1991–2010. Logarithmic Mean Divisia Index (LMDI) was applied for the decomposition analysis. Five determinants were examined and the results divided into five time intervals, according to China׳s five-year economic plans. The results show that labor productivity was the major driving force of...

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INFONA - science communication portal

Search results for: Zihan Zhang

Ultrasound-promoted synthesis of γ-graphyne for supercapacitor and photoelectrochemical applications

The CAFA challenge reports improved protein function prediction and new functional annotations for hundreds of genes through experimental screens

The security of radical trachelectomy in the treatment of IA–IIA cervical carcinoma requires further evaluation: updated meta-analysis and trial sequential analysis

Follistatin-like 1 protects mesenchymal stem cells from hypoxic damage and enhances their therapeutic efficacy in a mouse myocardial infarction model

Application of tyrosine-tryptophan fluorescence resonance energy transfer in monitoring protein size changes

Van Der Waals Heterostructures: Interfacial Charge Behavior Modulation in Perovskite Quantum Dot‐Monolayer MoS₂ 0D‐2D Mixed‐Dimensional van der Waals Heterostructures (Adv. Funct. Mater. 34/2018)

Interfacial Charge Behavior Modulation in Perovskite Quantum Dot‐Monolayer MoS₂ 0D‐2D Mixed‐Dimensional van der Waals Heterostructures

The safety of fertility preservation for microinvasive cervical adenocarcinoma: a meta-analysis and trial sequential analysis

FdICIC: Inter-cell Interference Coordination for Full-Duplex Cellular Systems

Fruit Spray of 24-Epibrassinolide and Fruit Shade Alter Pericarp Photosynthesis Activity and Seed Lipid Accumulation in Styrax tonkinensis

Ultra-Dense Heterogeneous Networks with Full-Duplex Small Cell Base Stations

Power control, user scheduling and resource Allocation for Downlink NOMA Systems with Imperfect Channel State Information

An area-efficient ternary full adder using hybrid SET-MOS technology

Improving the immunity of SET/MOS hybrid A/D converters using Boltzmann machine networks

Interference coordination for small cell networks with full-duplex base stations

Carbon competition between fatty acids and starch during benzoin seeds maturation slows oil accumulation speed

A pilot study of intraluminal brachytherapy using 125I seed strand for locally advanced pancreatic ductal adenocarcinoma with obstructive jaundice

Joint user pairing, resource block allocation, and power control for full-duplex cellular networks

Preliminary Results of Main Portal Vein Tumor Thrombus Treated by Endovascular Brachytherapy Combined with Sorafenib

Carbon emissions in China׳s cement industry: A sector and policy analysis

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