45 hasil untuk "Heba El-Sayed"
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Artikel Jurnal
DETERMINATION OF DILTIAZEM HCI AND DOTHIEPIN HCI THROUGH COMPLEX FORMATION
Simple, sensitive and accurate spectrophotometric and atomic absorption spectrometric procedures were developed for the determination of both diltiazem and dothiepin hydrochlorides in pure forms and in pharmaceutical preparations. The first method was based on the formation of ion-pair complexes…
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Sustainable usage of pastoral resources of breeders in the field of animal production in El-Hamam district -Matrouh Governorat
…and independent district variables. The research was conducted in El-Hamam district which consider the second largest district in Matrouh governorate concerning qualitative distribution of animal wealth and number of breeders A simple random sample of breeders was drown. Which consisting of 278…
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Artikel Jurnal Teks lengkap
The impact of digitalization on university education: A field study after the COVID-19 pandemic
Purpose: Identify the effectiveness of the use of technology in university education.Method: Theory: Virtual Learning. Sample: (intentional) on (381) university students. Tool: questionnaire.Importance: attempting to find appropriate mechanisms for students, lecturers, and universities, for the…
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Artikel Jurnal
“Biotechnological approaches for conservation of the vulnerable Capparis spinosa var. aegyptia”
Abstract Saint Katherine Protectorate, one of the largest protected areas in Egypt, is home to a variety of rare and endangered species. Among them is Capparis spinosa var. aegyptia, a plant that is facing population decline due to two key factors; over-harvesting for traditional medicine and…
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Artikel Jurnal
Molecular identification and antimicrobial activities of some wild Egyptian mushrooms: Bjerkandera adusta as a promising source of bioactive antimicrobial phenolic compounds
Abstract Background The discovery of potential, new cost-effective drug resources in the form of bioactive compounds from mushrooms is one way to control the resistant pathogens. In the present research, the fruiting bodies of five wild mushrooms were collected from Egypt and identified using…
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Artikel Jurnal
Molecular identification and in vitro propagation of the endangered medicinal Cleome droserifolia plant of Saint Katherine
Abstract The protectorate of Saint Katherine considers one of the biggest protected areas in Egypt characterized by a unique location and environment. It supports a high number of rare and endangered species. Cleome droserifolia (Rorida droserifolia) is an endangered plant found in Saint Katherine…
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Artikel Jurnal Teks lengkap
In vitro propagation and DNA barcode analysis of the endangered Silene schimperiana in Saint Katherine protectorate
BACKGROUND: Anthropogenic activity, climate change, pollution, and exploitation of natural resources are some reasons that cause threatening of plant diversity. Silene schimperiana is an endangered plant species in Egypt and is endemic to the high mountain of Saint Katherine Protected Area in…
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Artikel Jurnal
Implications of the 21-gene recurrence score assay (Oncotype DX) on adjuvant treatment decisions in ER-positive early-stage breast cancer patients: experience of Kuwait Cancer Control Center
Abstract Background The Oncotype DX is a quantitative assay of the expression of 16 tumor-related genes and 5 reference genes that predicts the potential of adjuvant chemotherapy benefit in estrogen receptor (ER)-positive early breast cancer patients. The study aims to evaluate the impact of…
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Artikel Jurnal
Emergency Supply Control from the Perspectives of Peacetime and Wartime: A System Dynamics Simulation
The supply of emergency materials is the fundament of emergency rescues. In view of the demand for emergency materials in major calamities, in this paper, a system dynamics model of emergency materials is constructed from the perspectives of wartime and peacetime. By setting and controlling the…
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Artikel Jurnal
Nanoformulated rosemary extract impact on oral cancer: in vitro study
Abstract Background Treating cancer is challenging for both the patient and the physician. This may be explained by the fact that treatment regimens rely on either chemotherapy alone or a combination with radiotherapy. Both modalities have damaging side effects that add to the patient suffer. This…
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Artikel Jurnal
Seed priming with Streptomyces griseoviridis culture filtrate: species-specific enhancement of legume germination and seedling vigor through hormonal and metabolic signaling
Abstract Background Actinobacteria of the genus Streptomyces are recognized as prolific producers of bioactive metabolites capable of regulating plant growth and stress responses. However, isolate-level phytohormone data for Streptomyces griseoviridis, a commercially relevant biocontrol species…
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TWO Beauveria spp. AS PROMISSING BIOLOGICAL CONTROL CANDIDATES FOR CONTROLLING COTTON APHIDS (Aphis gossypii) GLOVER.
The pathogenicity of two species of entomopathogenic fungi ,Beauveria bassiana and B.brongniaretii against Aphis gossypii was examined under laboratory conditions. Data revealed that pathogenicity effect on nymphs and adults were very high and varied according to the conidia concentrations and…
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Artikel Jurnal
SPECTROPHOTOMETRIC METHODS FOR THE DETERMINATION OF LISINOPRIL IN PHARMACEUTICAL FORMULATION
Three simple and sensitive spectrophotometric methods for the determination of lisinopril in tablets are developed. The first method involves oxidation of lisinopril with 1-chlorobenzotriazole reagent (CBT) in strong alkaline medium followed by measuring the absorbance at 350 nm. The method obeys…
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Artikel Jurnal
Clove oil and selenium nanoparticles as eco-friendly antifungal agents for photographic preservation
Abstract Microbial biodeterioration represents a major challenge in the conservation of photographic heritage, particularly silver gelatin prints. In this study, the antifungal efficacy of clove essential oil (Syzygium aromaticum) and selenium nanoparticles (SeNPs) was evaluated separately against…
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TIMING OF TRAUMATIC BRAIN INJURY AND ITS SYSTEMIC EFFECTS ON THE LUNGS OF ADULT MALE ALBINO RATS
Objective: Timing of traumatic brain injury (TBI) is very common and important especially, in forensic autopsy cases with no signs of intracranial hemorrhage or contusion and with short time of survival following head injury. In such cases it is difficult to determine the cause of death. TBI…
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THE EFFECT OF MODERATE EXERCISE ON MONOCYTE CHEMO-ATTRACTANT PROTEIN-1 IN ATHEROGENIC OVARIECTOMIZED RATS
Background: Cardiovascular disease (CVD) is one of the leading causes of death worldwide and is more prevalent in post-menopausal women. Monocyte chemo-attractant protein-1(MCP-1) is a chemokine that attracts monocytes/macrophages to sites of inflammation and play a role in development of…
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Impact of Educational Program Regarding Safety Measures Guidelines on Nurses' Knowledge, Attitude and Practice toward COVID-19 Patients.
Nowadays, nurses should prepare themselves for pandemic events as far in advance as potentiallyworsening outbreak conditions. Coronavirus disease (COVID-19) is a widespread pandemicdisease, especially in a health-care setting. But there are not enough researches done to control &prevent it from…
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Artikel Jurnal Teks lengkap
Hydroxychloroquine in children with proliferative lupus nephritis: a randomized clinical trial
Hydroxychloroquine (HCQ) is an antimalarial agent used to treat mucocutaneous, musculoskeletal, constitutional manifestations of systemic lupus erythematosus (SLE). This study assessed the efficacy and side effects of HCQ in children with proliferative lupus nephritis (LN). This double-blind…
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Artikel Jurnal
Metaplastic breast carcinoma: Analysis of 31 cases from a single institute
Purpose: Metaplastic carcinoma of the breast (MBC) accounts for less than 1% of all mammary tumors. This study aimed at revision of the clinico-pathological features, treatment strategy and outcome for MBC patients presented to the Kuwait Cancer Control Center to define the clinical behavior and…