46 results match your criteria: "Environment and Climate Change Research Institute[Affiliation]"

The purpose of this review is to gain attention about intro the advanced and green technology that has dual action for both clean wastewater and produce energy. Water scarcity and the continuous energy crisis have arisen as major worldwide concerns, requiring the creation of ecologically friendly and sustainable energy alternatives. The rapid exhaustion of fossil resources needs the development of alternative energy sources that reduce carbon emissions while maintaining ecological balance.

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One of the biggest challenges in food packaging is the creation of sustainable and eco-friendly packaging materials to shield foods from ultraviolet (UV) photochemical damage and to preserve the distinctive physical, chemical, and biological characteristics of foods throughout the supply chain. Accordingly, this study focuses on enhancing the UV shielding properties and biological activity of carboxylmethyl cellulose sodium (CMC) through modifications using zinc oxide (ZnO), copper oxide (CuO), and graphene oxide (GO) using the solution casting technique. The hybrid nanocomposites were characterized by fourier-transform infrared (FTIR) spectrophotometer, ultraviolet-visible (UV-Vis) spectrophotometer, scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), and x-ray diffraction (XRD).

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Corrigendum to 'Unveiling the organic chemical composition and sources of organic carbon in PM2.5 at an urban site in Greater Cairo (Egypt): A comprehensive analysis of primary and secondary compounds' [Environ. Res. 263-P3 (2024) 120118].

Environ Res

January 2025

Emissions, Measurements, and Modelling of the Atmosphere (EMMA) Laboratory, CAR, Faculty of Science, Saint-Joseph University, Beirut, Lebanon; Climate and Atmosphere Research Center (CARE-C), the Cyprus Institute, Nicosia, 2121, Cyprus. Electronic address:

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Significance of climate change in the emergence of human fascioliasis in Upper Egypt.

Trop Dis Travel Med Vaccines

December 2024

Department of Environmental and Occupational Medicine, Environment and Climate Change Research Institute, National Research Centre, Cairo, Egypt.

Article Synopsis
  • Climate change is increasing the health risks posed by zoonotic parasites like the liver fluke, Fasciola, especially in Upper Egypt, where its life cycle is climate-dependent.
  • A study from September 2018 to March 2023 analyzed 303 Fasciola cases, finding strong correlations between rising temperatures, humidity levels, and the prevalence of fascioliasis.
  • The research indicates that local climate conditions significantly influence fascioliasis outbreaks, emphasizing the need for a climate-based model to predict future occurrences and improve control measures.
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Metals have a tendency to accumulate in the environment and can have carcinogenic effects. Accordingly, this study used density functional theory (DFT) calculations to investigate the adsorption of different metal ions on the glycine surface. Glycine has attracted a lot of research interest because of its remarkable metal-binding properties and cost effectiveness.

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Development and characterization of antibacterial marine extract-infused cellulose acetate nanofibers as wound dressings for combatting multidrug-resistant wound infections.

Int J Biol Macromol

December 2024

Pre-Treatment and Finishing of Cellulosic Fabric Department, Textile Research and Technology Institute, National Research Centre, 33 El-Bohouth St., Dokki, Giza 12622, Egypt.

Wound infections caused by multidrug-resistant bacteria pose a significant challenge globally in healthcare. Traditional wound dressings often lack efficacy against these resilient pathogens, necessitating the exploration of innovative approaches to combat infections and promote wound healing. This study was designed to investigate a novel wound dressing marine extract-infused electrospun cellulose acetate nanofibers (CANF) with particular emphasis on combating multidrug-resistant bacteria.

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Unveiling the organic chemical composition and sources of organic carbon in PM at an urban site in Greater Cairo (Egypt): A comprehensive analysis of primary and secondary compounds.

Environ Res

December 2024

Emissions, Measurements, and Modelling of the Atmosphere (EMMA) Laboratory, CAR, Faculty of Science, Saint-Joseph University, Beirut, Lebanon; Climate and Atmosphere Research Center (CARE-C), The Cyprus Institute, Nicosia, 2121, Cyprus. Electronic address:

Article Synopsis
  • This study analyzed the organic components of fine particulate matter collected in urban Cairo over two months, highlighting the area's severe pollution levels.
  • Key findings included significant contributions from cooking (31%) and biomass burning (18%), with newly identified pollutants such as phthalates linked to open waste burning.
  • The research used advanced methods to determine the sources of organic carbon and assessed the associated uncertainties, providing insights into urban air quality and pollution sources in one of the world's most polluted cities.
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Modern laboratory medicine relies on analytical instruments for bacterial detection, focusing on biosensors and optical sensors for early disease diagnosis and treatment. Thus, Density Functional Theory (DFT) was utilized to study the reactivity of glycine interacted with metal oxides (ZnO, MgO, and CaO) for bacterial detection. Total dipole moment (TDM), frontier molecular orbitals (FMOs), FTIR spectroscopic data, electronic transition states, chemical reactivity descriptors, nonlinear optical (NLO) characteristics, and molecular electrostatic potential (MESP) were all investigated at the B3LYP/6-31G(d, p) level using DFT and Time-Dependent DFT (TD-DFT).

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Integrated evaluation of workplace exposures and biomarkers of bladder cancer among textile dyeing workers.

J Egypt Public Health Assoc

September 2024

Air Pollution Department, Environment & Climate Change Research Institute, National Research Centre, Giza, Egypt.

Background: The textile industry is the second risk factor for bladder cancer, after smoking. Previous studies focused on the impact of exposure to high concentrations of bladder carcinogenic chemicals in the textile dyeing industry on the elevation of bladder cancer biomarkers. This study aimed to evaluate bladder carcinogenic air pollutants in a textile dyeing factory and investigate its role and the role of serum 25-hydroxyvitamin D (25-OH vit.

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Seasonal Prevalence and Detection of Enteric and Respiratory Viruses in Wastewater and Hospitalized Children with Acute Gastroenteritis.

Curr Microbiol

September 2024

Environmental Virology Laboratory, Department of Water Pollution Research, Environment and Climate Change Research Institute, National Research Centre, Al-Buhouth Street, Dokki, 12622, Cairo, Egypt.

Human enteric and some respiratory viruses are identified to be involved with acute gastroenteritis that can be shed in feces of infected persons into the environment. Understanding the abundance of these viruses in wastewater is significant when assessing the public health impacts associated with discharge of wastewater into the environment. This study aimed to investigate the prevalence and seasonal variation of human enteric adenovirus (HAdV), Aichi virus (AiV-1), bocavirus (HBoV), and respiratory syndrome coronavirus 2 virus (SARS-CoV-2) in wastewater as well as their prevalence among hospitalized children with acute gastroenteritis.

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Mosques are important places for Muslims where they perform their prayers. The congregators are exposed to hazardous pollutants such as polycyclic aromatic hydrocarbons (PAHs) associated with dust. However, studies on PAHs exposure in religious places are scarce.

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Equilibrium among water, food, energy, and climate actions is necessary for life to exist, quality, and sustainability. This article explored how to ensure sustainability, and equilibrium in the irrigation processes by proposing irrigation equilibrium indicators (IEIs) for sustainable irrigated agriculture (SIA). The primary purpose of IEIs is to achieve a state of sustainable climate and environmental balance.

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Highly effective ultrafiltration membranes based on plastic waste for dye removal from water.

Water Environ Res

May 2024

Water Pollution Research Department, Environment and Climate Change Research institute, National Research Centre, Dokki, Giza, Egypt.

Applicable and low-cost ultrafiltration membranes based on waste polystyrene (WPS) blend and poly vinylidene fluoride (PVDF) were effectively cast on nonwoven support using phase inversion method. Analysis was done into how the WPS ratio affected the morphology and antifouling performance of the fabricated membranes. Cross flow filtration of pure water and various types of polluted aqueous solutions as the feed was used to assess the performance of the membranes.

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Improper management of agricultural and industrial cotton wastes causes environmental pollution and worsens the climate change challenge. Green recycling of cotton could contribute to a circular economy. One of the economic values of cotton wastes lies in their bioactive components.

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Greater Cairo, the largest megacity of the Middle East North Africa (MENA) region, is currently suffering from major aerosol pollution, posing a significant threat to public health. However, the main sources of pollution remain insufficiently characterized due to limited atmospheric observations. To bridge this knowledge gap, we conducted a continuous 2-month field study during the winter of 2019-2020 at an urban background site, documenting for the first time the chemical and physical properties of submicron (PM) aerosols.

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Detection and quantification of adenovirus, polyomavirus, and papillomavirus in urban sewage.

J Water Health

February 2024

Environmental Virology Laboratory, Department of Water Pollution Research, Environment and Climate Change Research Institute, National Research Center, 12622 Dokki, Cairo, Egypt.

The objective of this study was to assess the occurrence and seasonal frequency of human adenovirus (HAdV), human polyomavirus (HPyV), and human papillomavirus (HPV) in urban sewage. The detection of these viruses was carried out by polymerase chain reaction (PCR), and then the viral concentrations in the positive samples were quantified by quantitative PCR (qPCR). Additionally, HAdV and HPyV genotyping was also performed by PCR.

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Bridging research-policy gaps: An integrated approach.

Environ Epidemiol

February 2024

Public Health Department, Faculty of Health Sciences, University of Balamand, Lebanon.

It is often difficult for policymakers to make informed decisions without evidence-based support, resulting in potentially ineffective policies. The purpose of this article is to advocate for collaboration and communication between researchers and policymakers to enhance evidence-based policymaking. The workshop hosted by the International Society of Environmental Epidemiology-Eastern Mediterranean Chapter further explores the challenges of connecting researchers and policymakers.

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Zoonosis and zooanthroponosis of emerging respiratory viruses.

Front Cell Infect Microbiol

January 2024

Disease Intervention & Prevention and Host Pathogen Interactions Programs, Texas Biomedical Research Institute, San Antonio, TX, United States.

Lung infections in Influenza-Like Illness (ILI) are triggered by a variety of respiratory viruses. All human pandemics have been caused by the members of two major virus families, namely (influenza A viruses (IAVs); subtypes H1N1, H2N2, and H3N2) and (severe acute respiratory syndrome coronavirus 2, SARS-CoV-2). These viruses acquired some adaptive changes in a known intermediate host including domestic birds (IAVs) or unknown intermediate host (SARS-CoV-2) following transmission from their natural reservoirs (e.

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Implication of noise exposure on hearing with emphasis to hOGG1 and GPx-1 polymorphisms and HO-1 protein among textile workers.

Environ Sci Pollut Res Int

January 2024

Department of Environmental and Occupational Medicine, Environment and Climate Change Research Institute, National Research Centre, Giza, Egypt.

Noise exposure is a health hazard in the textile industry. In cochlear hair cells, DNA damage caused by 8-oxoguanine (8-oxo G) can result in noise-induced hearing loss. Human 8-hydroxyguanine glycosylase (hOGG1) is a DNA repair enzyme that excises (8-oxo G) in the DNA and repairs DNA damage.

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The emergence of antimicrobial resistance in foodborne bacterial pathogens has raised significant concerns in the food industry. This study explores the antimicrobial potential of biosynthesized silver nanoparticles (AgNPs) derived from Agaricus bisporus (Mushroom) against foodborne bacterial pathogens. The biosynthesized AgNPs were characterized using various techniques, including UV-visible spectroscopy, X-ray diffraction, Fourier transform infrared spectroscopy, high-resolution scanning electron microscopy with energy dispersive X-ray spectroscopy, dynamic light scattering, and zeta potential analysis.

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For the first time in this study, silver nanoparticles (AgNPs) and gold nanoparticles (AuNPs) were green synthesized by the cost-effective and eco-friendly procedure using Cotton seed meal and Fodder yeast extracts. The biosynthesized NPs were characterized by UV-Vis spectroscopy, dynamic light scattering analysis (DLS), transmission electron microscopy (TEM), selected area electron diffraction (SAED), and fourier-transform infrared (FTIR) spectroscopy. Furthermore, the biosynthesized NPs were tested against biofilm formation by some pathogenic negative bacteria ( and ) and negative bacteria () as well as against human denovirus serotype 5 (HAdV-5) and anticancer activity using HepG2 hepatocarcinoma cells.

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Molecular and biological activities of metal oxide-modified bioactive glass.

Sci Rep

June 2023

Water Pollution Research Department, Environment and Climate Change Research Institute, National Research Centre, 33 El-Bohouth St., Dokki, Giza, 12622, Egypt.

Bioactive glass (BG) was prepared by sol-gel method following the composition 60-([Formula: see text]) SiO.34CaO.6PO, where x = 10 (FeO, CuO, ZnO or GeO).

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Environmental and occupational lead (Pb) exposures continue to pose major public health problems. Wastewater treatment plant (WWTP) workers proved are exposing to high Pb concentrations in sludge departments. The aim of the work was to investigate the role of MTHFR C677T and MTHFR A1298C gene polymorphisms on alteration of oxidative stress and homocysteine levels in WWTP workers exposed to high Pb concentrations, and study its relations with renal functions.

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Mortality and morbidity caused by viruses are a global health problems. Therefore, there is always a need to create novel therapeutic agents and refine existing ones to maximize their efficacy. Our lab has produced benzoquinazolines derivatives that have proven effective activity as antiviral compounds against herpes simplex (HSV 1 and 2), coxsackievirus B4 (CVB4), and hepatitis viruses (HAV and HCV).

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Background: Serotype coxsackievirus B (CVB) infection has been linked to viral myocarditis, dilated cardiomyopathy, meningitis, and pancreatitis in children and young adults. As of yet, no antiviral drug has been authorized for the treatment of coxsackievirus infection. Therefore, there is perpetual demand for new therapeutic agents and the improvement of existing ones.

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