Search results for: Xue Luo

Items from 1 to 20 out of 77 results

article

Determination of flexible pavement deterioration conditions using Long‐Term Pavement Performance database and artificial intelligence‐based finite element model updating

Yong Deng, Xue Luo, Yazhou Zhang, Shengxin Cai, more

Structural Control and Health Monitoring > 28 > 2 > n/a - n/a

This paper aims to provide a methodology in determining the deterioration conditions of flexible pavements using the Long‐Term Pavement Performance (LTPP) database and artificial intelligence (AI)‐based finite element (FE) model updating. A new term quantifying the effects of the aging and load repetitions on the modulus gradient of the asphalt layer was defined. The modulus gradient change was captured...

article

Accurate Control of Core–Shell Upconversion Nanoparticles through Anisotropic Strain Engineering

Jianxiong Zhao, Xian Chen, Bing Chen, Xue Luo, more

Advanced Functional Materials > 29 > 44 > n/a - n/a

The effect of anisotropic interfacial strain on epitaxial growth and optical emission of sodium rare‐earth fluoride core–shell nanoparticles is investigated. A variety of sodium rare‐earth fluoride shells are grown on hexagonal‐phase NaYF₄:Yb/Er core for providing anisotropic tuning of interfacial strains. Using high‐resolution transmission electron microscopy and X‐ray diffraction characterizations,...

article

The 2012 Flash Drought Threatened US Midwest Agroecosystems

Cui Jin, Xue Luo, Xiangming Xiao, Jinwei Dong, more

Chinese Geographical Science > 2019 > 29 > 5 > 768-783

In the summer of 2012, the US Midwest, the most productive agricultural region in the world, experienced the most intense and widespread drought on record for the past hundred years. The 2012 drought, characterized as ‘flash drought’, developed in May with a rapid intensification afterwards, and peaked in mid-July. ~76% of crop region and 60% of grassland and pasture regions have been under moderate...

article

A new short-term aging model for asphalt binders based on rheological activation energy

Derun Zhang, Bjorn Birgisson, Xue Luo, Ibrahim Onifade

Materials and Structures > 2019 > 52 > 4 > 1-22

Short-term aging of asphalt binders is an inevitable phenomenon during mix production and laydown that significantly affects the rheological properties of asphalt binders and further contributes to the deterioration of pavement performance. This paper presents a new short-term aging model for asphalt binders. The new model focuses on the binder viscosity as the target property and incorporates the...

article

The effect of Lactobacillus delbrueckii subsp bulgaricus proteinase on properties of milk gel acidified with glucono‐δ‐lactone

Shuang Zhang, Yan Zhang, Meng Li, Xue Luo, more

International Journal of Food Science & Technology > 54 > 6 > 2094 - 2100

Lactobacillus delbrueckii subsp. bulgaricus CH9‐3 proteinase is an enzyme that plays an important role in yogurt fermentation, by which its use is linked to gel properties of yogurt. In this work, a modified glucono‐δ‐lactone (GDL) acidification model was used to simulate the fermentation of yogurt and study the effect of CH9‐3 proteinase on GDL‐acidified milk gel. The results showed that the proteinase...

article

Co-sputtering Co–Ti alloy as a single barrier/liner for Co interconnects and thermal stability enhancement using TiN metal capping

Dan Zhang, Jing Xu, Shujuan Mao, Chao Zhao, more

Journal of Materials Science: Materials in Electronics > 2019 > 30 > 11 > 10579- 10588

Scaling of interconnect dimensions is becoming increasingly difficult due to the fast rise in line/via resistance. To alleviate this problem, Co is a high-potential alternative material of Cu or W in metallization schemes. In this work, Co interconnects is imitated, where Co_1−xTi_x is proposed as single barrier/liner to replace conventional thick TiN/Ti bilayer structure, reserving more available space...

article

Correction to: An inverse approach to determine complex modulus gradient of field-aged asphalt mixtures

Meng Ling, Xue Luo, Fan Gu, Robert L. Lytton

Materials and Structures > 2019 > 52 > 1 > 1-1

An inverse approach to determine complex modulus gradient of field-aged asphalt mixtures written by Meng Ling, Xue Luo, Fan Gu, Robert L. Lytton was originally published online without Open Access.

article

Biocontrol potential of Myxococcus sp. strain BS against bacterial soft rot of calla lily caused by Pectobacterium carotovorum

Zhoukun Li, Ting Wang, Xue Luo, Xiangmin Li, more

Biological Control > 2018 > 126 > C > 36-44

Bacterial soft rot caused by Pectobacterium carotovorumsubsp. carotovorum is a devastating plant disease in calla lily (Zantedeschia spp.). Considering the economic value of calla lily in the cut flower industry, effective means for controlling this disease are urgently needed. A screening of 12 isolates yielded strain BS as the best antagonist against P. carotovorum. The isolate with excellent antibacterial...

article

Kinetics-based aging evaluation of in-service recycled asphalt pavement

Xue Luo, Fan Gu, Yuqing Zhang, Robert L. Lytton, more

Journal of Cleaner Production > 2018 > 200 > C > 934-944

Reclaimed asphalt pavement (RAP) is a type of material that already suffers long-term aging in the field, so its aging characteristics become prominent since they are closely related to premature distresses and longevity of recycled pavements. While most of investigations of RAP mixtures are carried out in the laboratory, this study focuses on in situ aging of asphalt pavements with RAP overlays....

article

Suboptimal linear estimation for continuous–discrete bilinear systems

Xue Luo, Xiuqiong Chen, Stephen S.-T. Yau

Systems & Control Letters > 2018 > 119 > C > 92-100

In this paper we derive a suboptimal estimation for continuous–discrete bilinear systems. One of the motivations of this work is that the bilinear system has the simplest structure in the nonlinear class in some sense. Similar to the Kalman filter, our algorithm includes prediction and updating step. We show rigorously that our algorithm gives an unbiased estimate, the a-priori estimate approaches...

article

Energy-based crack initiation model for load-related top-down cracking in asphalt pavement

Fan Gu, Xue Luo, Randy C. West, Adam J. Taylor, more

Construction and Building Materials > 2018 > 159 > C > 587-597

This paper aims at investigating the mechanisms of load-related top-down cracking (TDC) and developing a framework to predict the TDC initiation life for asphalt pavements. Firstly, a three-dimensional model is constructed to simulate the pavement responses to traffic loading. The critical pavement responses (e.g., shear and tensile stresses) are identified and related to TDC initiation at different...

article

Production of eicosapentaenoic acid by application of a delta-6 desaturase with the highest ALA catalytic activity in algae

Haisu Shi, Xue Luo, Rina Wu, Xiqing Yue

Microbial Cell Factories > 2018 > 17 > 1 > 1-15

Dunaliella salina is a unicellular green alga with a high α-linolenic acid (ALA) level, but a low eicosapentaenoic acid (EPA) level. In a previous analysis of the catalytic activity of delta 6 fatty acid desaturase (FADS6) from various species, FADS6 from Thalassiosira pseudonana (TpFADS6), a marine diatom, showed the highest catalytic activity for ALA. In this study, to enhance EPA production in...

article

Spectral viscosity method with generalized Hermite functions for nonlinear conservation laws

Xue Luo

Applied Numerical Mathematics > 2018 > 123 > C > 256-274

In this paper, we propose new spectral viscosity methods based on the generalized Hermite functions for the solution of nonlinear scalar conservation laws in the whole line. It is shown rigorously that these schemes converge to the unique entropy solution by using compensated compactness arguments, under some conditions. The numerical experiments of the inviscid Burger's equation support our result,...

article

Time-temperature-aging-depth shift functions for dynamic modulus master curves of asphalt mixtures

Meng Ling, Xue Luo, Fan Gu, Robert L. Lytton

Construction and Building Materials > 2017 > 157 > C > 943-951

Oxidative aging is one of the significant environmental effects on asphalt pavement performance. This study aims to characterize the aging viscoelastic property of asphalt mixtures such as dynamic modulus at different aging times and pavement depths, then develops two aging shift functions to account for the effects of long-term aging and non-uniform field aging in the pavement depth. Tensile creep...

article

A debranching enzyme IsoM of Corallococcus sp. strain EGB with potential in starch processing

Zhoukun Li, Kai Ji, Jie Zhou, Xianfeng Ye, more

International Journal of Biological Macromolecules > 2017 > 105 > P1 > 1300-1309

Interest in use of resistant starch and maltooligosaccharides as functional foods and biopreservatives has grown in recent years. In this research, a novel debranching enzyme IsoM from Corallococcus sp. strain EGB was identified and expressed in P. pastoris GS115. Sequence alignments showed that IsoM was typical isoamylase with the specific activity up to 70,600U/mg, which belongs to glycoside hydrolase...

article

ATM signals to AMPK to promote autophagy and positively regulate DNA damage in response to cadmium-induced ROS in mouse spermatocytes

Renyan Li, Xue Luo, Yijian Zhu, Letian Zhao, more

Environmental Pollution > 2017 > 231 > P2 > 1560-1568

Cadmium (Cd) is a toxic heavy metal and harmful to human health due to its ability to accumulate in organs. Previous studies have shown that Cd can induce DNA damage and autophagy. Autophagy can stabilize genetic material and DNA integrity. The aim of the present study was to determine the exact mechanism and role of autophagy induced by Cd in spermatozoa cells. Mouse spermatocyte-derived cells (GC-2)...

article

Characterization and prediction of permanent deformation properties of unbound granular materials for Pavement ME Design

Fan Gu, Yuqing Zhang, Xue Luo, Hakan Sahin, more

Construction and Building Materials > 2017 > 155 > C > 584-592

The objective of this study is to characterize and predict the permanent deformation properties of unbound granular materials (UGMs) for Pavement ME Design. First, laboratory repeated load triaxial (RLT) tests are conducted on the UGMs from 11 quarries in Texas to measure the permanent strain curves. The shakedown theory is applied to evaluate the permanent deformation behavior of the selected UGMs...

article

FRET‐based Fluorescent and Colorimetric Probe for Selective Detection of Hg(II) and Cu(II) with Dual‐mode

Xue Luo, Xu‐Dong He, Yuan‐Chao Zhao, Chong Chen, more

Journal of Heterocyclic Chemistry > 54 > 5 > 2650 - 2655

A dual‐function fluorescence resonance energy transfer (FRET)‐based fluorescent and colorimetric probe was rationally fabricated from an energy donor coumarin moiety and an energy acceptor rhodamine moiety linked by a thiohydrazide arm for selective detection of Hg²⁺ and Cu²⁺. Two distinct mechanisms were used for the selective detection. Results revealed that probe 1 showed high fluorescent selectivity...

article

Novel dinuclear and trinuclear ruthenium clusters derived from 2‐aryl‐substituted indenylphosphines via C─H bond cleavage

Tong Meng, Jia Yuan, Zhi‐Jun Han, Xue Luo, more

Applied Organometallic Chemistry > 31 > 8 > n/a - n/a

Treatment of Ru₃(CO)₁₂ with an equivalent of (2‐phenyl‐1H‐inden‐3‐yl)dicyclohexylphosphine (1) and (2‐pyridyl‐1H‐inden‐1‐yl)dicyclohexylphosphine (4) in refluxing heptane gave the novel trinuclear ruthenium clusters (μ₃‐η¹:η²:η⁵–2‐phenyl‐3‐Cy₂PC₉H₄)Ru₃(CO)₈ (1c) and [μ₂‐η¹–2‐(pyridin‐2‐yl)‐3‐Cy₂PC₉H₆]Ru₃(CO)₉ (4a), respectively, via C─H bond cleavage. (2‐Mesityl‐1H‐inden‐3‐yl)dicyclohexylphosphine...

article

Exponential operational laws and new aggregation operators of intuitionistic Fuzzy information based on Archimedean T-conorm and T-norm

Xue Luo, Zeshui Xu, Xunjie Gou

International Journal of Machine Learning and Cybernetics > 2018 > 9 > 8 > 1261-1269

Atanassov extended the fuzzy set to intuitionistic fuzzy set (IFS) whose basic components are intuitionistic fuzzy numbers (IFNs). IFSs and IFNs can depict the fuzzy characteristics of the objects comprehensively, and lots of operational laws have been introduced to facilitate the use of IFSs and IFNs for solving the practical problems under intuitionistic fuzzy environments. As a supplement of the...

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INFONA - science communication portal

Search results for: Xue Luo

Determination of flexible pavement deterioration conditions using Long‐Term Pavement Performance database and artificial intelligence‐based finite element model updating

Accurate Control of Core–Shell Upconversion Nanoparticles through Anisotropic Strain Engineering

The 2012 Flash Drought Threatened US Midwest Agroecosystems

A new short-term aging model for asphalt binders based on rheological activation energy

The effect of Lactobacillus delbrueckii subsp bulgaricus proteinase on properties of milk gel acidified with glucono‐δ‐lactone

Co-sputtering Co–Ti alloy as a single barrier/liner for Co interconnects and thermal stability enhancement using TiN metal capping

Correction to: An inverse approach to determine complex modulus gradient of field-aged asphalt mixtures

Biocontrol potential of Myxococcus sp. strain BS against bacterial soft rot of calla lily caused by Pectobacterium carotovorum

Kinetics-based aging evaluation of in-service recycled asphalt pavement

Suboptimal linear estimation for continuous–discrete bilinear systems

Energy-based crack initiation model for load-related top-down cracking in asphalt pavement

Production of eicosapentaenoic acid by application of a delta-6 desaturase with the highest ALA catalytic activity in algae

Spectral viscosity method with generalized Hermite functions for nonlinear conservation laws

Time-temperature-aging-depth shift functions for dynamic modulus master curves of asphalt mixtures

A debranching enzyme IsoM of Corallococcus sp. strain EGB with potential in starch processing

ATM signals to AMPK to promote autophagy and positively regulate DNA damage in response to cadmium-induced ROS in mouse spermatocytes

Characterization and prediction of permanent deformation properties of unbound granular materials for Pavement ME Design

FRET‐based Fluorescent and Colorimetric Probe for Selective Detection of Hg(II) and Cu(II) with Dual‐mode

Novel dinuclear and trinuclear ruthenium clusters derived from 2‐aryl‐substituted indenylphosphines via C─H bond cleavage

Exponential operational laws and new aggregation operators of intuitionistic Fuzzy information based on Archimedean T-conorm and T-norm

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