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السجلات المعروضة 4936 -- 4955 من 50342
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Chitosan gold nanoparticles for detection of amplified nucleic acids isolated from sputum
( Elsevier , 2017 , Article)A platform for nucleic acid detection employing chitosan and chitosan coated gold nanoparticles (AuNPs) was developed. Mycobacterium tuberculosis (MTB) was used as a model target. MTB DNA was extracted from sputum using ... -
Chitosan nanoparticles with essential oils in food preservation
( Elsevier , 2023 , Book chapter)Recently, chitosan nanoparticles (NPs) have received tremendous interest as being one of the best natural nanomaterials used for the encapsulation of essential oils (EOs) in food applications. Due to their various ... -
Chitosan-based electrospun nanofibers for diabetic foot ulcer management; recent advances
( Elsevier , 2023 , Article Review)Diabetic foot ulcer (DFU) healing has long been a major medical challenge. The type of dressing is an essential factor in wound healing, prevention of local infection, and scar formation. Today, smart wound dressings or ... -
Chitosan-derived hydrothermally carbonized materials and its applications: A review of recent literature
( Elsevier B.V. , 2021 , Article Review)Chitosan (CS) is a linear polysaccharide biopolymer, one of the most abundant biowastes in the environment. This makes chitosan a potential material for a wide range of applications. To improve CS's properties, chitosan ... -
Chitosan/lignosulfonate nanospheres as "green" biocide for controlling the microbiologically influenced corrosion of carbon steel
( MDPI AG , 2020 , Article)In this work, uniform cross-linked chitosan/lignosulfonate (CS/LS) nanospheres with an average diameter of 150-200 nm have been successfully used as a novel, environmentally friendly biocide for the inhibition of mixed ... -
Chitosan/Polyacrylamide Green Gels for Water Control in High-Temperature Reservoirs
( American Chemical Society , 2022 , Article)The rheology of a gel system composed of polyacrylamide (PAM) and chitosan is studied under typical reservoir conditions. The impacts of the degree of chitosan deacetylation, temperature, and salinity on the gelation ... -
Chlorophyll-a concentrations in the Arabian Gulf waters of arid region: A case study from the northern coast of Qatar
( Elsevier , 2022 , Article)Remote sensing of spectrally active Chlorophyll-a (Chl-a) in the gulf water of an arid region is important to understand the spatial and temporal variations of phytoplankton and biomass in the water. This study characterizes ... -
Choice and Expenditure: A Double Hurdle Model of Private Tutoring in Qatar
( Qatar University Press , 2020 , Poster)To shed light on the demand for private tutoring, this paper presents new evidence for the case of Qatar. The household demand for private tutoring is estimated using the double hurdle model using a sample of 1226 participants ... -
Choice and expenditure: A double hurdle model of private tutoring in Qatar
( Elsevier , 2021 , Article)Deciding whether to use private tutoring services is now a common choice many households are facing globally. This paper presents new evidence for Qatar's case to shed light on the demand for private tutoring. The household ... -
Choice of Antimicrobials in Surgical Prophylaxis - Overuse and Surgical Site Infection Outcomes from a Tertiary-Level Care Hospital
( Frontiers Media , 2022 , Article)Background: This study was aimed to describe the choice of Surgical Antimicrobial Prophylaxis at a tertiary-level care hospital in United Arab Emirates. It also associated the choice between two leading antimicrobials for ... -
Choline chloride based natural deep eutectic solvent for destabilization and separation of stable colloidal dispersions
( Elsevier B.V. , 2021 , Article)In solid-liquid separation processes, coagulation/flocculation is one of the most popular techniques in treating wastewater, as it is efficient, simple, and economical. Consequently, the formation of a new environment ... -
Cholinergic and dopaminergic neuronal differentiation of human adipose tissue derived mesenchymal stem cells.
( Wiley , 2018 , Article)Mesenchymal stem cells (MSCs) are multipotent cells that can differentiate into various cell types such as cartilage, bone, and fat cells. Recent studies have shown that induction of MSCs in vitro by growth factors including ... -
Choosing by Advantages (CBA) Used as a Qualitative Assessment Methodology in Lean Construction
( Qatar University Press , 2023 , Conference Paper)Decision making is part of the daily duties of researchers, engineers, and consultants, and taking the right decisions requires quantitative assessment which usually needs data and analysis. In construction industry, data ... -
Choroidal metastasis as initial presentation of aggressive medullary thyroid carcinoma with widespread mediastinal, brain, pituitary, bone, lung, and liver metastasis: Case report and literature review
( Elsevier , 2021 , Article)Introduction Medullary thyroid carcinoma (MTC) is a neuroendocrine tumor that originates from the parafollicular C cells of the thyroid gland. MTC can be due to sporadic or hereditary causes due to gain of function germ ... -
Chromite Enrichment in the Recent Fluviatile Sediments, North Iraq
( Qatar University , 1999 , Article)The Recent sediments from North Iraq are characterized by a higher content of chromite. This paper deals with the mineralogy and geochemistry of chromite in the heavy mineral assemblages from Recent fluvial sediments in ... -
Chromium doped ceria for solar thermochemical fuel production
( AIChE , 2018 , Conference Paper)In this paper, the thermal reduction and CO2splitting ability of Ce0.9Cr0.102-δare investigated by performing multiple thermochemical cycles using a thermogravimetric analyzer. The Ce0.9Cr0.102-δmaterial is successfully ... -
Chromium removal from tannery wastewater by electrocoagulation: Optimization and sludge characterization
( MDPI AG , 2020 , Article)The treatment of tannery effluent is of great interest as it contains a complexmixture ofpollutants, primarily chromium. The disposal of this wastewater can have adverse effects on the environment and aquatic life, which ... -
Chromium toxicity in plants: consequences on growth, chromosomal behavior and mineral nutrient status
( the Scientific and Technological Research Council of Turkey (TUBITAK) , 2022 , Article)Chromium (Cr) is a heavy metal of commercial importance; thus, significant amounts are released in wastewaters. The mobility and distribution of metals in the environment is related not only to their concentration but also ... -
Chromosomal abnormalities in infertile men with azoospermia and severe oligozoospermia in Qatar and their association with sperm retrieval intracytoplasmic sperm injection outcomes
( Arab Association of Urology , 2018 , Article)Objective: To study the types and incidence of chromosomal abnormalities in infertile men with azoospermia and severe oligozoospermia in Qatar, and to compare the hormonal changes, testicular sperm retrieval rate, and ... -
A Chromosome 9p24.1 Amplification in Colorectal Cancer with Metastases to the Kidney and Adrenal Gland: A Case Report
( karger , 2023 , Article)Colorectal cancer (CRC) is the third leading cause of mortality worldwide. The Food and Drug Administration recently designated pembrolizumab, an immune checkpoint inhibitor (ICI) against a programmed death-1 receptor, as ...
