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Magnetoelectric effect in multiferroic NdMn2O5

Chinese Physics B 2017年第1期26卷 526-529页

作者： syed hamad bukhari Javed Ahmad Department of Physics Bahauddin Zakariya University Multan 60800 Pakistan

We have measured the dielectric constant for NdMn2O5 in an external magnetic field to map out the magnetoelectric phase diagram. The phase diagram corresponds well with the previously reported data of neutron diffraction and magnetic susceptibility. Our main finding is the observation of a dielectric anomaly in the low temperature phase with a strong magnetoelectric effect, which is attributed to the independent Nd^3＋ ordering. Moreover, the absence of the dielectric anomaly in the paramagnetic phase is discussed, keeping in view the exchange interaction and its dependence on the rareearth R^3＋ ionic radius.

关键词： sol–gel synthesis dielectric constant magnetoelectric effect phase transition

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Flexible pavement longitudinal joint quality evaluation using non-destructive testing

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Journal of Road Engineering 2024年第2期4卷 189-202页

作者： hamad Bin Muslim syed Waqar Haider Lev Khazanovich Department of Civil and Environmental Engineering Michigan State UniversityEast LansingMI 48824USA Department of Civil and Environmental Engineering University of PittsburghPittsburghPA 15261USA

Longitudinal joint construction quality is critical to the life of flexible *** deteriorated longitudinal joints has become a challenge for many highway *** the joint's quality through better compaction during construction can help achieve flexible pavements with longer service lives and less *** quality control(QC)and quality assurance(QA)plans provide limited ***,the risk of missing areas with poor joint compaction is significant.A density profiling system(DPS)is a non-destructive alternative to conventional destructive evaluation *** can provide quick and continuous real-time coverage of the compaction during construction in *** paper presents several case studies comparing various types of longitudinal joints and demonstrating the use of DPS to evaluate the joint's compaction *** paper shows that dielectric measurements can provide valuable insight into the ability of various construction techniques to achieve adequate levels of compaction at the longitudinal *** paper proposes a dielectric-based longitudinal joint quality index(LJQI)to evaluate the relative compaction of the joint during *** also shows that adopting DPS for assessing the compaction of longitudinal joints can minimize the risk of agencies accepting poorly constructed joints,identify locations of poor quality during construction,and achieve better-performing flexible pavements.

关键词： Sustainable pavements Dielectric/density profiling system Quality assurance Non-destructive testing Asphalt longitudinal joint

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Cytokine- and chemokine-induced inflammatory colorectal tumor microenvironment: Emerging avenue for targeted therapy

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Cancer Communications 2022年第8期42卷 689-715页

作者： Ajaz A.Bhat Sabah Nisar Mayank Singh Bazella Ashraf Tariq Masoodi Chandra P.Prasad Atul Sharma Selma Maacha Thasni Karedath Sheema Hashem syed Besina Yasin Puneet Bagga Ravinder Reddy Michael P.Frennaux Shahab Uddin Punita Dhawan Mohammad Haris Muzafar A.Macha Laboratory of Molecular and Metabolic Imaging Cancer Research DepartmentSidra MedicineDoha 26999Qatar Department of Medical Oncology Dr.B.R.Ambedkar Institute Rotary Cancer HospitalAll India Institute of Medical Sciences(AIIMS)New Delhi 110029India Department of Biotechnology School of Life SciencesCentral University of KashmirGanderbalJammu&Kashmir 191201India Division of Translational Medicine Research BranchSidra MedicineDoha 26999Qatar Genomics Core Facility QBRIQatar FoundationDoha 34110Qatar Department of Pathology Sher-I-Kashmir Institute of Medical SciencesSrinagarJammu&Kashmir 190011India Department of Diagnostic Imaging St.Jude Children’s Research HospitalMemphisTN 38105USA Center for Advanced Metabolic Imaging in Precision Medicine Department of RadiologyPerelman School of Medicine at the University of PennsylvaniaPhiladelphiaPA 19104USA Academic Health System Hamad Medical CorporationDoha 3050Qatar Translational Research Institute Hamad Medical CorporationDoha 3050Qatar Department of Biochemistry and Molecular Biology University of Nebraska Medical CenterOmahaNE 68198USA Laboratory Animal Research Center Qatar UniversityDoha 2713Qatar Watson-Crick Centre for Molecular Medicine Islamic University of Science and TechnologyAwantiporaJammu&Kashmir 192122India

Colorectal cancer(CRC)is a predominant life-threatening cancer,with liver and peritoneal metastases as the primary causes of *** inflammation,a known CRC risk factor,nurtures a local inflammatory environment enriched with tumor cells,endothelial cells,immune cells,cancer-associated fibroblasts,immunosuppressive cells,and secretory growth *** complex interactions of aberrantly expressed cytokines,chemokines,growth factors,and matrix-remodeling enzymes promote CRC pathogenesis and evoke systemic responses that affect disease *** evidence suggests that these cytokines and chemokines play a role in the progression of CRC through immunosuppression and modulation of the tumor microenvironment,which is partly achieved by the recruitment of immunosuppressive *** cells impart features such as cancer stem cell-like properties,drug resistance,invasion,and formation of the premetastatic niche in distant organs,promoting metastasis and aggressive CRC growth.A deeper understanding of the cytokineand chemokine-mediated signaling networks that link tumor progression and metastasis will provide insights into the mechanistic details of disease aggressiveness and facilitate the development of novel therapeutics for ***,we summarized the current knowledge of cytokine-and chemokine-mediated crosstalk in the inflammatory tumor microenvironment,which drives immunosuppression,resistance to therapeutics,and metastasis during CRC *** also outlined the potential of this crosstalk as a novel therapeutic target for *** major cytokine/chemokine pathways involved in cancer immunotherapy are also discussed in this review.

关键词： chemokine colorectal cancer cytokine drug resistance epithelial-mesenchymal transition immunosuppression immunotherapy inflammation metastasis tumor microenvironment

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