10 Works


Conventional methods of tomato sorting are based on the external attributes of fruits, such as color, size, hardness, or other textural features. These methods do not take into account the internal qualities and texture of fruits, which therefore affects the sorting quality. The proposed method for sorting tomatoes based on the control of their induction of chlorophyll fl uorescence takes into account the internal structure and quality of tomatoes. During the experiment, the botanical Alcazar...

A comparative study between Vitamin K1 and K2 on vascular calcification in hemodialysis patients: a randomized controlled trial

Sarah Farid Mohamed Fahmy
Background: Vascular calcification is a common complication of end stage renal disease patients, an important cause of cardiovascular disease and all-cause mortality. Vitamin K is essential for the activation of matrix Gla protein (MGP), a powerful inhibitor of tissue calcification. Different forms of vitamin K have been proposed to have a good impact on vascular calcification. However, clinical data are still limited on efficacy and safety of different forms of vitamin K. Methods : A...

The reliability and validity of an Arabic version of the modified Japanese Orthopedic Association score for cervical myelopathy

Hany El Zahlawy, Shereen Fawaz, Heba Saber & Mohamed Elgebeily
Purpose: The modified Japanese Orthopedic Association score (mJOA) is considered as one of the most comprehensive scores in assessment of patients with cervical myelopathy. Hence, comes the need for providing a validated, translated and cross-culturally adapted versions in different languages in order to standardize patient’s evaluation. This study aims to translate and validate an Arabic version of the mJOA. Methods: 65 patients of variable age and etiologies for compressive cervical myelopathy were recruited. Forward and...

Supplement to: Global impact of the COVID-19 pandemic on stroke care and intravenous thrombolysis

Raul Nogueira, Muhammed Qureshi, Mohamad Abdalkader, Sheila Martins, Hiroshi Yamagami, Zhongming Qiu, Ossama Mansour, Anvitha Sathya, Anna Czlonkowska, Georgios Tsivgoulis, Diana Aguiar De Sousa, Jelle Demeestere, Robert Mikulik, Peter Vanacker, James Siegler, Janika Korv, Jose Biller, Conrad Liang, Navdeep Sangha, Alicia Zha, Alexandra Czap, Christine Holmstedt, Tanya Turan, George Ntaios, Konark Malhotra … & Thanh Nguyen
Objective: The objectives of this study were to measure the global impact of the pandemic on the volumes for intravenous thrombolysis (IVT), IVT transfers, and stroke hospitalizations over 4 months at the height of the pandemic (March 1 to June 30, 2020) compared with two control 4-month periods. Methods: We conducted a cross-sectional, observational, retrospective study across 6 continents, 70 countries, and 457 stroke centers. Diagnoses were identified by their ICD-10 codes and/or classifications in...

Data from: Factors related to time of stroke onset versus time of hospital arrival: A SITS registry-based study in an Egyptian Stroke Center

Hossam Shokri, Nevine El Nahas, Hany Aref, Noha Dawood, Eman Abushady, Shady Georgy, Amr Zaki, Rady Bedros, Eman Abd Eldayem, Mona Wahid El Din & Tamer Roushdy
Background: high-quality data on time of stroke onset and time of hospital arrival is required for proper evaluation of points of delay that might hinder access to medical care after the onset of stroke symptoms. Purpose: Based on (SITS Dataset) in Egyptian stroke patients, we aimed to explore factors related to time of onset versus time of hospital arrival for acute ischemic stroke (AIS). Material and Methods: We included 1,450 AIS patients from two stroke...

Data from: Activation of β-catenin signaling and its cross talk with estrogen and histone deacetylases in human uterine fibroids

Mohamed Ali, Sara Shahin, Nagwa Sabri, Ayman Al-Hendy & Qiwei Yang
Context: Uterine Fibroid (UF) is the most common benign tumor in myometrium (MM) of reproductive age women. However, mechanism underlying disease pathogenesis is largely unknown. Objective: To explore the link between nuclear β-catenin and UF phenotype and β-catenin cross-talk with estrogen and histone deacetylases (HDACs). Design protein/RNA levels of β-catenin (CTNNB1), its responsive markers [CyclinD1, c-Myc], Androgen receptor (AR), p27 and class-I HDACs were measured in matched UF/MM tissues or cell populations. Chemical inhibition/activation and...

QDataSet: Quantum Datasets for Machine Learning

Christopher Ferrie, Elija Perrier, Akram Youssry & Dacheng Tao

Some Highlights from The Documents of Egypt under the Reign of Maximinus Thrax (Mid-March /25 March 235 C.E. – 10 May 238 C.E.)

Hanan M. I. Ismail
This paper focuses on some aspects of Egypt’s history in the reign of Maximinus Thrax (Mid-March/25 March AD 235 – 10 May 238). The author argues that the economic repercussions and the political upheaval in Egypt were tightly interwoven with the beginning of the Third Century Crisis. The article surveys forty-three documents (papyri and ostraca), through which new findings regarding the history of Egypt can be attained.

Reconstructing Ecological Niche Evolution via Ancestral State Reconstruction with Uncertainty Incorporated

Hannah Owens, Vivian Ribiero, Erin Saupe, Marlon E. Cobos, Peter Hosner, Jacob Cooper, Abdallah Samy, Vijay Barve, Narayani Barve, Carlos Muñoz & A. Townsend Peterson
Reconstructing ecological niche evolution can provide insight into the biogeography and diversification of evolving lineages. However, comparative phylogenetic methods can infer the history of ecological niche evolution inaccurately because (1) species’ niches are often poorly characterized; and (2) phylogenetic comparative methods rely on niche summary statistics rather than full estimates of species’ environmental tolerances. Here we propose a new framework for coding ecological niches and reconstructing their evolution that explicitly acknowledges and incorporates the uncertainty...

New incidence or recurrence hepatocellular carcinoma (HCC) in genotype 4 hepatitis C virus treated with sofosbuvir/daclatasvir with or without ribavirin

Aya Essawy, Mai Mehrez, Sara Zaki, Hassan El Garem & Nagwa Sabri
Background: Several studies have resulted in controversial data about the recurrence or new incidence of hepatocellular carcinoma (HCC) in patients with hepatitis C who were treated with direct-acting antivirals (DAAs). Aim: This observational study aimed to assess the occurrence rate of HCC in patients who developed a sustained virological response (SVR).. Methods: A six-month prospective study was done at the National Hepatology and Tropical Medicine Research Institute [NHTMRI] in Cairo, Egypt on 150 chronic hepatitis...

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  • Ain Shams University
  • Emory University School of Medicine
  • University of Kansas
  • New York University Langone Medical Center
  • Modern University for Information and Technology
  • Kwame Nkrumah University of Science and Technology
  • Ain Shams University Hospital
  • Kaiser Permanente
  • Allegheny Health Network
  • Medical University of South Carolina