Fei Liu

Broadband Radio Spectral Observations of Solar Eclipse on 2008-08-01 and Implications on the Quiet Sun Atmospheric Model (2009)

Tan, Baolin, Yan, Yihua, Zhang, Yin, Tan, Chengmin, Huang, Jing, Liu, Yuying, ...

Based on the joint-observations of the radio broadband spectral emissions of solar eclipse on August 1, 2008 at Jiuquan (total eclipse) and Huairou (partial eclipse) at the frequencies of 2.00 --...

Improvement of Cadastral Map Assembling Based on GHT (2009)

Fei Liu, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura

There are numerous cadastral maps generated by past land surveying.�For effective and efficient use of these maps, we have to assemble the set of maps to make them superimposable on other...

A generalized integral fluctuation theorem for general jump processes (2009)

Liu, Fei, Luo, Yu-Pin, Huang, Ming-Chang, Ou-Yang, Zhong-can

Using the Feynman-Kac and Cameron-Martin-Girsanov formulas, we obtain a generalized integral fluctuation theorem (GIFT) for discrete jump processes by constructing a time-invariable inner product....

Response delay as a strategy for survival in fluctuating environment (2009)

Xue, Xiao Chuan, Zhao, Jinhua, Liu, Fei, Ou-Yang, Zhong-can

Response time-delay is an ubiquitous phenomenon in biological systems. Here we use a simple stochastic population model with time-delayed switching-rate conversion to quantitatively study the...

Fuzzy Linguistic Logic Programming and its Applications (2009)

Le, Van Hung, Liu, Fei, Tran, Dinh Khang

The paper introduces fuzzy linguistic logic programming, which is a combination of fuzzy logic programming, introduced by P. Vojtas, and hedge algebras in order to facilitate the representation and...

魯迅と『エロシェンコ童話集』 (2009)

劉, 菲, リュウ, ヒ, Liu, Fei

This paper is about the communication between LuXun and В.Я.Epoшeнкo, and also the details of the translation of В.Я.Epoшeнкo's chidren's stories. The two persons have a lot of common poits...

A generalized integral fluctuation theorem for diffusion processes (2009)

Liu, Fei, Ou-Yang, Zhong-can

We present a generalized integral fluctuation theorem (GIFT) for general diffusion processes using the Feynman-Kac and Cameron-Martin-Girsanov formulas. Existing IFTs can be thought of to be its...

F. LIU et al.: VV&A SOLUTION FOR COMPLEX SIMULATION SYSTEMS VV&A SOLUTION FOR COMPLEX SIMULATION SYSTEMS (2009)

Fei Liu, Ming Yang, Zicai Wang

Abstract: This paper presents a VV&A solution to effectively address VV&A problems arising during the development of complex simulation systems. First, a VV&A process is presented along...

Piezohydraulic Actuator Development For Active Microjet Flow Control (2009)

Liu, Fei

This thesis describes the development of a new piezohydraulic actuator for integration into a microjet flow control system. The piezohydraulic actuator utilizes a lead zirconate titanate (PZT) stack...

{μ-6,6′-Dimethoxy-2,2′-[propane-1,3-diylbis(nitrilomethylidyne)]diphenolato}dimethanoltrinitratonickel(II)europium(III) methanol disolvate (2009)

Fei Liu

The title dinuclear complex, [EuNi(C19H20N2O4)(NO3)3(CH3OH)2]·2CH3OH, is isostructural with its NiII/PrIII analogue. The NiII ion is coordinated by two O atoms and two N atoms of a Schiff base...

{μ-6,6′-Dimethoxy-2,2′-[propane-1,3-diylbis(nitrilomethylidyne)]diphenolato}dimethanoltrinitratonickel(II)samarium(III) methanol disolvate (2009)

Fei Liu

In the title complex, [NiSm(C19H20N2O4)(NO3)3(CH4O)2]·2CH3OH, the NiII ion is coordinated by two O atoms and two N atoms of a deprotonated Schiff base ligand and by two O atoms of two methanol...

Bis(2,2-dinitropropyl)formal (2009)

Fei Liu, Huajun Dai, Zhong Huang, Yonggang Liu, Xingming Kou

The complete molecule of the title compound [systematic name: bis(2,2-dinitropropoxy)methane], C7H12N4O10, which was synthesized by the condensation reaction between 2,2-dinitropropanol and...

Reduced O-GlcNAcylation links lower brain glucose metabolism and tau pathology in Alzheimer's disease (2009)

Liu, Fei, Shi, Jianhua, Tanimukai, Hitoshi, Gu, Jinhua, Gu, Jianlan, Grundke-Iqbal, Inge, ...

It has been established for a long time that brain glucose metabolism is impaired in Alzheimer's disease. Recent studies have demonstrated that impaired brain glucose metabolism precedes the...

Elasticity of Spider dragline Silks Viewed as Nematics: Yielding Induced by Isotropic-Nematic Phase Transition (2008)

Cui, Lin-ying, Liu, Fei, Ou-Yang, Zhong-can

Spider dragline silk shows well-known outstanding mechanical properties. However, its sigmoidal shape of the measured stress-strain curves (i.e. the yield) can not be described by classical polymer...

NuBot Team Description Paper 2007 (2008)

Hui Zhang, Huimin Lu, Xiucai Ji, Lin Liu, Fei Liu, Dan Hai, ...

Abstract. The paper mainly describes the implementation of our middle-size league robot team “NuBot ” for RoboCup 2007. The description consists of both the hardware design of the robot vehicle...

Drug Discovery Grid (2008)

Wenju Zhang, Jun Zhang, Yan Chang, Shudong Chen, Xuefeng Du, Fei Liu, ...

This paper discusses the design and implementation of drug discovery grid in details. The purpose of the Drug Discovery Grid (DDGrid) is to set up a grid environment with aggregated compute and data...

Tau exon 10 alternative splicing and tauopathies (2008)

Liu, Fei, Gong, Cheng-Xin

Abstract Abnormalities of microtubule-associated protein tau play a central role in neurofibrillary degeneration in several neurodegenerative disorders that collectively called tauopathies. Six...

Technology Development for Electromechanical Acoustic Liners & (2008)

Robert Taylor, Fei Liu, Stephen Horowitz, Khai Ngo, Toshikazu Nishida, Louis Cattafesta, ...

This paper presents two key technology components required for the development of a self-powered, wireless, active acoustic liner system. The envisioned system consists of a tunable Helmholtz...

魯迅訳『労働者シェヴィリョフ』における色彩表現について (2008)

劉, 菲, Liu, Fei

Build upon the confirmation of translation process of the medium length novel "Worker Schewyrjow" and various issues such as background research, etc., this article focus its analysis on the quantity...

{μ-6,6′-Dimethoxy-2,2′-[propane-1,3-diylbis(nitrilomethylidyne)]diphenolato}dimethanoltrinitratonickel(II)praseodymium(III) methanol disolvate (2008)

Fei Liu, Fang Zhang

In the title dinuclear complex, [NiPr(C19H20N2O4)(NO3)3(CH3OH)2]·2CH3OH, the NiII ion is coordinated by two O atoms and two N atoms of a Schiff base ligand and by two methanol ligands, forming a...

ATP hydrolysis is required for DEAD-box protein recycling but not for duplex unwinding. (2008)

Liu, Fei, Putnam, Andrea, Jankowsky, Eckhard

DEAD-box proteins, the largest helicase family, catalyze ATP-dependent remodeling of RNA-protein complexes and the unwinding of RNA duplexes. Because DEAD-box proteins hydrolyze ATP in an...

Bridging context management systems for different types of pervasive computing environments (2008)

Hesselman, Cristian, Benz, Hartmut, Pawar, Pravin, Liu, Fei, Wegdam, Maarten, Wibbels, Martin, ...

A context management system is a distributed system that enables applications to obtain context information about (mobile) users and forms a key component of any pervasive computing environment....

Bayesian analysis of time series of single RNA under fluctuating force (2007)

Liu, Fei, Ou-Yang, Zhong-can

Extracting the intrinsic kinetic information of biological molecule from its single-molecule kinetic data is of considerable biophysical interest. In this work, we theoretically investigate the...

魯迅作品における色彩表現 : 『吶喊』、『彷徨』、『野草』、『朝花夕拾』、『故事新編』を中心に (2007)

劉, 菲, Liu, Fei

This study pulled out color expressions from Luxun's work, accepted the critique, view about the amount, the different of the object and genre. The view demonstrates hereinafter. Realization from the...

A practical and enantiospecific conversion of D-galactose to a substituted α, β-unsaturated δ-lactone synthon (2007)

Stephens, Benjamin E, Liu, Fei

A multi-gram synthesis of a substituted α, β-unsaturated δ-lactone synthon, 1, was developed from commercially available D-galactose. The use of a Horner–Wadsworth–Emmons reaction was able to...

Fluoride-assisted regioselective conversion of functionalized furans to α-sutstituted γ-hydroxybutenolides using singlet oxygen (2007)

Patil, Santoshkumar N, Liu, Fei

A facile synthesis of α-sutstituted γ-hydroxybutenolides from 3-furfural was achieved using a Baylis-Hillman reaction followed by singlet oxygen oxidation. The regioselectivity of this conversion...

An Ullmann coupling of aryl iodides and amines using an air-stable diazaphospholane ligand (2007)

Yang, Minghua, Liu, Fei

A copper-based catalytic system, using an air-stable diazaphospholane as the ligand, was developed for an efficient Ullmann reaction between aryl iodides and alkyl or heterocyclic amines.

A practical and enantiospecific conversion of D-galactose to a substituted α, β-unsaturated δ-lactone synthon (2007)

Stephens, Benjamin E, Liu, Fei

A multi-gram synthesis of a substituted α, β-unsaturated δ-lactone synthon, 1, was developed from commercially available D-galactose. The use of a Horner–Wadsworth–Emmons reaction was able to...

Fluoride-assisted regioselective conversion of functionalized furans to α-sutstituted γ-hydroxybutenolides using singlet oxygen (2007)

Patil, Santoshkumar N, Liu, Fei

A facile synthesis of α-sutstituted γ-hydroxybutenolides from 3-furfural was achieved using a Baylis-Hillman reaction followed by singlet oxygen oxidation. The regioselectivity of this conversion...

An Ullmann coupling of aryl iodides and amines using an air-stable diazaphospholane ligand (2007)

Yang, Minghua, Liu, Fei

A copper-based catalytic system, using an air-stable diazaphospholane as the ligand, was developed for an efficient Ullmann reaction between aryl iodides and alkyl or heterocyclic amines.

Base-assisted regio- and diastereoselective conversion of functionalized furans to butenolides using singlet oxygen (2007)

Patil, Santoshkumar N, Liu, Fei

A facile synthesis of β-functionalized γ-hydroxybutenolides was achieved using a Baylis-Hillman reaction followed by singlet oxygen oxidation. The conversion from 3-furfural was regio- and...

Activity-based identification of secreted serine proteases of the filamentous fungus, Ophiostoma (2007)

Wu, Caiyan, Xu, Qiang, Liu, Fei, Nevalainen, K. M. Helena

A general activity probe was synthesized and applied to the supernatant of a filamentous fungus, Ophiostoma, culture to identify directly the secreted serine proteases by covalent enzyme labeling....

Driven translocation of a polynucleotide chain through a nanopore--A continuous time Monte-Carlo study (2006)

Lam, Pui-Man, Liu, Fei, OuYang, Zhong-can

Using continuous time Monte-Carlo method we simulated the translocation of a polynucleotide chain driven through a nanopore by an electric field. We have used two models of driven diffusion due to...

The Effect of Switching Private Insurance Plans on Health Care Utilization (2006)

Liu, Fei, Zimmer, David M.

The switching of health insurance plans and health care utilization are potentially correlated with both observable and unobservable information. This paper presents a two-period model of health care...

The Effect of Switching Private Insurance Plans on Health Care Utilization (2006)

Liu, Fei, Zimmer, David M.

The switching of health insurance plans and health care utilization are potentially correlated with both observable and unobservable information. This paper presents a two-period model of health care...

The Effect of Switching Private Insurance Plans on Health Care Utilization (2006)

Liu, Fei, Zimmer, David M.

The switching of health insurance plans and health care utilization are potentially correlated with both observable and unobservable information. This paper presents a two-period model of health care...

The Effect of Switching Private Insurance Plans on Health Care Utilization (2006)

Liu, Fei, Zimmer, David M.

The switching of health insurance plans and health care utilization are potentially correlated with both observable and unobservable information. This paper presents a two-period model of health care...

Stochastic dynamics of adhesion catch-slip bond cluster (2006)

Liu, Fei, Ou-Yang, Zhong-can

We present a general stochastic dynamic model of a cluster of biological complexes with fluctuating dissociation and association rates. The master equation has analytical solutions in two limiting...

Bell Rate Model with Dynamic Disorder: Model and Its Application in the Receptor-ligand Forced Dissociation Experiments (2006)

Liu, Fei, Ou-Yang, Zhong-can

We extend the Bell forced dissociation rate model to take account into dynamic disorder. The motivation of the present work is from the recent forced dissociation experiments of the adhesive...

Single Molecule Michaelis-Menten Equation beyond Quasi-Static Disorder (2006)

Xue, Xiaochuan, Liu, Fei, Ou-Yang, Zhong-can

The classic Michaelis-Menten equation describes the catalytic activities for ensembles of enzyme molecules very well. But recent single-molecule experiment showed that the waiting time distribution...

Dynamic disorder in receptor-ligand forced dissociation experiments (2006)

Liu, Fei, Ou-Yang, Zhong-can, Iwamoto, Mitsumasa

Recently experiments showed that some biological noncovalent bonds increase their lifetimes when they are stretched by an external force, and their lifetimes will decrease when the force increases...

Force Modulating Dynamic Disorder: Physical Theory of Catch-slip bond Transitions in Receptor-Ligand Forced Dissociation Experiments (2006)

Liu, Fei, Ou-Yang, Zhong-can

Recently experiments showed that some adhesive receptor-ligand complexes increase their lifetimes when they are stretched by mechanical force, while the force increase beyond some thresholds their...

The role of CREM/ICER transcription factors in bone (2006)

Liu, Fei

Crem, the cyclic AMP response element modulator, is an important component of cAMP-mediated signal transduction and couples extracellular signals to gene regulation. The Crem gene has 4 different...

Dysregulation of Protein Phosphorylation/Dephosphorylation in Alzheimer's Disease: A Therapeutic Target (2006)

Fei Liu, Inge Grundke-Iqbal, Khalid Iqbal

Studies during the last two decades have provided new insights into the molecular mechanism of Alzheimer's disease (AD). One of the milestone findings in AD research was the demonstration that...

Context Discovery Using Attenuated Bloom filters in Ad-hoc Networks (2006)

Fei Liu, Geert Heijenk

Abstract: A novel approach to performing context discovery in ad-hoc networks based on the use of attenuated Bloom filters is proposed in this paper. A Bloom filter is an efficient space-saving data...

Dysregulation of Protein Phosphorylation/Dephosphorylation in Alzheimer's Disease: A Therapeutic Target (2006)

Cheng-Xin Gong, Fei Liu, Inge Grundke-Iqbal, Khalid Iqbal

Studies during the last two decades have provided new insights into the molecular mechanism of Alzheimer's disease (AD). One of the milestone findings in AD research was the demonstration that...

Force Unfolding Single RNAs: from Equilibrium to Far-from Equilibrium (2005)

Liu, Fei, Ou-Yang, Zhong-can

We summarize the recent simulation progress of micromanipulation experiments on RNAs. Our work mainly consults with two important small RNAs unfolding experiments carried out by Bustamante group. Our...

Electron Microscopic Studies of the Morphogenesis of Duck Enteritis Virus (2005)

Gui-ping Yuan, An-chun Cheng, Ming-shu Wang, Fei Liu, Xiao-ying Han, Yong-hong Liao, ...

The morphogenesis of duck enteritis virus (DEV) and distribution in vivo were observed by electron microscopy after ducks were infected experimentally with DEV virulent strain. The investigation...

Atomic force microscopy of erythrocyte cytoskeleton (2005)

Liu, Fei.

Thesis (Ph. D.)--University of Notre Dame, 2005.

Monte Carlo Simulation for Single RNA Unfolding by Force (2005)

Fei Liu

ABSTRACT Using polymer elastic theory and known RNA free energies, we construct a Monte Carlo algorithm to simulate the single RNA folding and unfolding by mechanical force on the secondary structure...

Stretching single RNAs: exact numerical and stochastic simulation methods (2004)

Liu, Fei, Zhu, Bi-hui, Ou-Yang, Zhong-can

Exact numerical methods and stochastic simulation methods are developed to study the force stretching single RNA issue on the secondary structure level in equilibrium. By computing the...

Study of Si/Ge quantum confined structures / (2004)

Liu, Fei.

Thesis (M.S.)--University of California, Los Angeles, 2004.

A constant extension ensembles model of double-stranded chain molecules (2002)

Liu, Fei, Dai, Luru, Xu, Tao, Ou-Yang, Zhong-can

Because the constant extension ensemble of single chain molecule is not always equivalent with constant force ensemble, a model of double-stranded conformations, as in RNA molecules and...

A model for the force stretching double-stranded chain molecules (2002)

Liu, Fei, Dai, Luru, Ou-Yang, Zhong-can

We modify and extend the recently developed statistical mechanical model for predicting the thermodynamic properties of chain molecules having noncovalent double-stranded conformations, as in RNA or...

Maximum-entropy calculation of end-to-end distance distribution of force stretching chains (2002)

Dai, Luru, Liu, Fei, Ou-Yang, Zhong-can

Using the maximum-entropy method, we calculate the end-to-end distance distribution of the force stretched chain from the moments of the distribution, which can be obtained from the extension-force...

Dynamic Connectivity Analysis of ABF-based Ad-hoc Networks (1970)

Fei Liu, Geert Heijenk

This paper evaluates the performance of a context discovery protocol using attenuated Bloom filters while nodes appear, disappear, and are temporary unreachable in ad-hoc networks through analytical...

O-GlcNAcylation regulates phosphorylation of tau: A mechanism involved in Alzheimer's disease

Liu, Fei, Iqbal, Khalid, Grundke-Iqbal, Inge, Hart, Gerald W., Gong, Cheng-Xin

Microtubule-associated protein tau is abnormally hyperphosphorylated and aggregated into neurofibrillary tangles in brains of individuals with Alzheimer's disease (AD) and other tauopathies. Tau...

Monte Carlo Simulation for Single RNA Unfolding by Force

Liu, Fei, Ou-Yang, Zhong-can

Using polymer elastic theory and known RNA free energies, we construct a Monte Carlo algorithm to simulate the single RNA folding and unfolding by mechanical force on the secondary structure level....

Peptide vaccination of mice immune to LCMV or vaccinia virus causes serious CD8+ T cell-mediated, TNF-dependent immunopathology

Liu, Fei, Feuer, Ralph, Hassett, Daniel E., Whitton, J. Lindsay

CD8+ T cells play a key role in clearing primary virus infections and in protecting against subsequent challenge. The potent antiviral effects of these cells make them important components of...

Dysregulation of Protein Phosphorylation/Dephosphorylation in Alzheimer's Disease: A Therapeutic Target

Gong, Cheng-Xin, Liu, Fei, Grundke-Iqbal, Inge, Iqbal, Khalid

Studies during the last two decades have provided new insights into the molecular mechanism of Alzheimer's disease (AD). One of the milestone findings in AD research was the demonstration that...

O-GlcNAcylation regulates phosphorylation of tau: A mechanism involved in Alzheimer's disease

Liu, Fei, Iqbal, Khalid, Grundke-Iqbal, Inge, Hart, Gerald W., Gong, Cheng-Xin

Microtubule-associated protein tau is abnormally hyperphosphorylated and aggregated into neurofibrillary tangles in brains of individuals with Alzheimer's disease (AD) and other tauopathies. Tau...

Monte Carlo Simulation for Single RNA Unfolding by Force

Liu, Fei, Ou-Yang, Zhong-can

Using polymer elastic theory and known RNA free energies, we construct a Monte Carlo algorithm to simulate the single RNA folding and unfolding by mechanical force on the secondary structure level....

Peptide vaccination of mice immune to LCMV or vaccinia virus causes serious CD8+ T cell-mediated, TNF-dependent immunopathology

Liu, Fei, Feuer, Ralph, Hassett, Daniel E., Whitton, J. Lindsay

CD8+ T cells play a key role in clearing primary virus infections and in protecting against subsequent challenge. The potent antiviral effects of these cells make them important components of...

Dysregulation of Protein Phosphorylation/Dephosphorylation in Alzheimer's Disease: A Therapeutic Target

Gong, Cheng-Xin, Liu, Fei, Grundke-Iqbal, Inge, Iqbal, Khalid

Studies during the last two decades have provided new insights into the molecular mechanism of Alzheimer's disease (AD). One of the milestone findings in AD research was the demonstration that...

Force Unfolding Single RNAs

Liu, Fei, Tong, Huan, Ou-Yang, Zhong-can

We develop a continue time Monte Carlo algorithm to simulate single RNAs unfolded by a time-dependent external force on the secondary structure level. Two recent unfolding RNA experiments carried out...

HMO versus non-HMO private managed care plans: an investigation on pre-switch consumption

Lu Ji, Fei Liu

Managed care, Treatment effect analysis, Propensity score, Matching method,

The Effect of Switching Private Insurance Plans on Health Care Utilization

Fei Liu, David Zimmer

The switching of health insurance plans and health care utilization are potentially correlated with both observable and unobservable information. This paper presents a two-period model of health care...

Tau exon 10 alternative splicing and tauopathies

Liu, Fei, Gong, Cheng-Xin

Abnormalities of microtubule-associated protein tau play a central role in neurofibrillary degeneration in several neurodegenerative disorders that collectively called tauopathies. Six isoforms of...

ATP hydrolysis is required for DEAD-box protein recycling but not for duplex unwinding

Liu, Fei, Putnam, Andrea, Jankowsky, Eckhard

DEAD-box proteins, the largest helicase family, catalyze ATP-dependent remodeling of RNA–protein complexes and the unwinding of RNA duplexes. Because DEAD-box proteins hydrolyze ATP in an...

Antitumor effect and mechanism of Gecko on human esophageal carcinoma cell lines in vitro and xenografted sarcoma 180 in Kunming mice

Liu, Fei, Wang, Jian-Gang, Wang, Shu-Ying, Li, Yan, Wu, Yin-Ping, Xi, Shou-Min

AIM: To investigate the anti-tumor effect of Chinese medicine Gecko on human esophageal carcinoma cell lines and xenografted sarcoma 180 in Kunming mice and its mechanism.

Tacrolimus dosage requirements in living donor liver transplant recipients with small-for-size grafts

Liu, Fei, Li, Ya, Lan, Xiang, Wei, Yong-Gang, Li, Bo, Yan, Lv-Nan, ...

AIM: To investigate the tacrolimus dosage requirements and blood concentrations in adult-to-adult right lobe living donor liver transplantation (AALDLT) recipients with small-for-size (SFS) grafts.

Overexpression of Dyrk1A contributes to neurofibrillary degeneration in Down syndrome

Liu, Fei, Liang, Zhihou, Wegiel, Jerzy, Hwang, Yu-Wen, Iqbal, Khalid, Grundke-Iqbal, Inge, ...

Adults with Down syndrome (DS) develop Alzheimer neurofibrillary degeneration in the brain, but the underlying molecular mechanism is unknown. Here, we report that the presence of an extra copy of...

Increased Dosage of Dyrk1A Alters Alternative Splicing Factor (ASF)-regulated Alternative Splicing of Tau in Down Syndrome*S⃞♦

Shi, Jianhua, Zhang, Tianyi, Zhou, Chunlei, Chohan, Muhammad Omar, Gu, Xiaosong, Wegiel, Jerzy, ...

Two groups of tau, 3R- and 4R-tau, are generated by alternative splicing of tau exon 10. Normal adult human brain expresses equal levels of them. Disruption of the physiological balance is a common...

Comparison of four models for end-stage liver disease in evaluating the prognosis of cirrhosis

Jiang, Ming, Liu, Fei, Xiong, Wu-Jun, Zhong, Lan, Chen, Xi-Mei

AIM: To investigate the prognostic value of the model for end-stage liver disease (MELD) and three new MELD-based models combination with serum sodium in decompensated cirrhosis patients-the MELD...

The Effect of Switching Private Insurance Plans on Health Care Utilization

Fei Liu, David M. Zimmer

The switching of health insurance plans and health care utilization are potentially correlated with both observable and unobservable information. This paper presents a two-period model of health care...