Ahmed Shalaby

ORCID: 0000-0001-8670-5826
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About
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Research Areas
  • Asphalt Pavement Performance Evaluation
  • Infrastructure Maintenance and Monitoring
  • Geotechnical Engineering and Underground Structures
  • Cholangiocarcinoma and Gallbladder Cancer Studies
  • Innovative concrete reinforcement materials
  • Pancreatic and Hepatic Oncology Research
  • Gallbladder and Bile Duct Disorders
  • Concrete and Cement Materials Research
  • Geotechnical Engineering and Soil Stabilization
  • Liver Disease Diagnosis and Treatment
  • Smart Materials for Construction
  • Hepatocellular Carcinoma Treatment and Prognosis
  • Transport Systems and Technology
  • Climate change and permafrost
  • Concrete Corrosion and Durability
  • Geotechnical Engineering and Analysis
  • Structural Behavior of Reinforced Concrete
  • Surface Roughness and Optical Measurements
  • Radiomics and Machine Learning in Medical Imaging
  • Peptidase Inhibition and Analysis
  • Ultrasonics and Acoustic Wave Propagation
  • Cancer Mechanisms and Therapy
  • Growth Hormone and Insulin-like Growth Factors
  • AI in cancer detection
  • Cryospheric studies and observations

University of Manitoba
2014-2025

Rutgers, The State University of New Jersey
2025

October 6 University
2024

Stevens Institute of Technology
2024

The University of Texas Southwestern Medical Center
2023

University of Pittsburgh
2023

Cairo University
2023

Manchester Airport
2023

The University of Texas at Austin
2023

Southwestern Medical Center
2023

Artificial intelligence (AI) is the most revolutionizing development in health care industry current decade, with diagnostic imaging having greatest share such development. Machine learning and deep (DL) are subclasses of AI that show breakthrough performance image analysis. They have become state art field classification recognition. deals extraction important characteristic features from images, whereas DL uses neural networks to solve problems better performance. In this review, we...

10.1097/rct.0000000000001247 article EN Journal of Computer Assisted Tomography 2022-01-01

Background and Aims Cholangiocarcinoma (CCA) is a deadly highly therapy‐refractory cancer of the bile ducts, with early results from immune checkpoint blockade trials showing limited responses. Whereas recent molecular assessments have made bulk characterizations profiles their genomic correlates, spatial may reveal actionable insights. Approach Results Here, we integrated checkpoint‐directed immunohistochemistry next‐generation sequencing resected intrahepatic CCA samples 96 patients. We...

10.1002/hep.32150 article EN Hepatology 2021-09-12

Abstract Testing wave energy converters in the ocean could be expensive and complex, which necessitates use of numerical modeling. However, accurately modeling response with high-fidelity simulations can computationally intensive design stage where different configurations must considered. Reduced-order models based on simplified equations motion very useful design, optimization, or control converters. Given complex dynamics converters, accurate representation, evaluation relative...

10.1007/s11071-023-09248-2 article EN cc-by Nonlinear Dynamics 2024-01-26

Characterisation of pavement surface texture has significant effects on ride comfort and road safety. Pavement is typically reported as a single attribute, such mean profile depth, root square roughness or hydraulic radius, which limits the usefulness information extracted from measurements. Therefore, advanced methods that characterise in three dimensions are needed. This paper reviews recent advances development two imaging-based evaluation methods. The main objective these to recover 3D...

10.1080/10298436.2010.546858 article EN International Journal of Pavement Engineering 2011-02-10

Efficient repair of concrete pavements typically requires a rapid-setting material to accelerate opening the road traffic. While numerous high-early-strength cementitious materials are commercially available, many them vulnerable premature deterioration. On other hand, despite its improved long-term performance, incorporating fly ash is rarely used as due delay in setting time, strength gain, and microstructural development at early ages. Nevertheless, these performance limitations can be...

10.14359/51688642 article EN ACI Materials Journal 2016-01-01

Pavement surface texture affects many vehicle and road characteristics; therefore, efforts are needed to develop more advanced techniques for evaluating pavement texture. Photometric stereo widely used recover three-dimensional shapes of objects can also be A four-source photometric system recovering is proposed. Five types surfaces were tested validate the system. Mean profile depths computed from recovered compared with those measured manually by using a depth dial gauge. The sensitivity...

10.1061/(asce)0733-947x(2007)133:7(433) article EN Journal of Transportation Engineering 2007-06-16

Hepatocellular carcinoma (HCC) is one of the most deadly cancers worldwide. In patients with HCC, histopathogical differentiation an important indicator prognosis; however, because determination HCC difficult, recently described immunohistochemical (IHC) marker glypican3 (GPC3) might assist in prognostication.The goal our study was to investigate GPC3's IHC staining pattern and define relationship between its expression patients' clinicopathologic features overall survival. We retrieved...

10.18632/oncotarget.12066 article EN Oncotarget 2016-09-16

VEGF receptor-2 (VEGFR-2)-mediated angiogenesis contributes to pathogenesis of biliary tract cancers (BTC). We investigated ramucirumab, a mAb targeting VEGFR-2 for treatment advanced, chemorefractory BTC.This is phase II, single-arm trial unresectable, pre-treated patients with BTC ECOG 0/1, adequate liver, renal, and marrow functions. Ramucirumab was administered at 8 mg/kg, 2 weekly restaging performed weekly. Primary endpoint progression-free survival (PFS). Secondary endpoints were...

10.1158/1078-0432.ccr-21-3548 article EN Clinical Cancer Research 2022-03-01

10.1061/jmcee7.mteng-18997 article EN Journal of Materials in Civil Engineering 2025-01-11

Incompressible debris accumulating in pavement joints or cracks restricts the free expansion of slabs during warm weather and generates excessive compressive stresses along joint crack faces. These cause deterioration spalling slab corners edges accelerate rate degradation. Partial depth repair is a preventative maintenance treatment which commonly used early service life to spalls shallow restore intact surface typically before occurs. The selected material must be compatible with...

10.33593/iccp.v10i1.404 article EN 2025-01-22

The objectives of this research were to characterise concrete pavement surface texture using three-dimensional (3D) indicators, explore the relationship between noise/friction and parameters. A newly constructed Portland cement with 13 types textures was selected as test site. Pavement heights recovered photometric stereo technique. comparative study conducted proposed 3D parameters other established two-dimensional measurements, i.e. circular track meter high-speed profiler. Correlation...

10.1080/10298436.2015.1095897 article EN International Journal of Pavement Engineering 2015-10-16

Clinicaltrials.gov #NCT01180959.Early clinical studies of bevacizumab and erlotinib in advanced hepatocellular carcinoma (HCC) have a tolerable toxicity promising outcome. We evaluated the efficacy tolerability this combination as second-line therapy for HCC refractory to sorafenib.For single-arm, Phase II study, we recruited patients with Child-Pugh class A or B liver disease, Eastern Cooperative Oncology Group performance status 0-2, that was not amenable surgical regional therapies...

10.2147/ott.s91977 article EN cc-by-nc OncoTargets and Therapy 2016-02-01

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10.14359/10188 article EN ACI Structural Journal 2001-01-01

Simulation of short-term aging asphalt binders is a widely used procedure in binder characterization for predicting the response to plant mixing and paving under controlled laboratory conditions. There are two test methods evaluating binders: (i) method using rotating pans filled with thin film termed oven (TFOT) (ii) rolling cylindrical containers (RTFOT). In this paper, an attempt made develop generalized models effects RTFOT time as benchmark. Six types representing PG grades three source...

10.1139/l01-086 article EN Canadian Journal of Civil Engineering 2002-02-01

Abstract Developing ductile and durable cement-based materials that incorporate fibers has been a subject of extensive investigation to improve the performance new existing concrete infrastructure, especially with advent novel materials. In this study, properties type cementitious composite consisting nanosilica high volume slag or fly ash were investigated. These composites reinforced innovative basalt fiber pellets (BFPs), which consist strands encapsulated by polymeric resin, specially...

10.1520/acem20190018 article EN Advances in Civil Engineering Materials 2019-07-12
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