Eman Osman
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View article: Multi-dimensional characterization of Eustachian tube function in patients with perforated tympanic membrane
Multi-dimensional characterization of Eustachian tube function in patients with perforated tympanic membrane Open
Background Eustachian tube plays a key role in the pathophysiology of the middle ear as well as the outcome of middle ear surgeries. It is challenging to assess its function in patients with perforated tympanic membranes since there is no …
View article: Nondesmoglein autoantibodies in oral pemphigus vulgaris: implications for diagnosis and disease monitoring
Nondesmoglein autoantibodies in oral pemphigus vulgaris: implications for diagnosis and disease monitoring Open
Background Pemphigus vulgaris (PV) is an autoimmune blistering disease affecting the skin and mucous membranes. Oral mucosa usually is the first affected site, it may precede the cutaneous lesions by several years. Serological tests for de…
View article: Synthesis and Characterization of MIL-100(Fe) Metal-Organic Framework on Titania as Visible Light-Active Photocatalyst for Bisphenol A Degradation
Synthesis and Characterization of MIL-100(Fe) Metal-Organic Framework on Titania as Visible Light-Active Photocatalyst for Bisphenol A Degradation Open
Titania (TiO2) is a widely utilized metal oxide nanomaterial used for pollutant degradation, yet its limited activity under visible light restricts its broader photocatalytic applications. In this study, TiO2 was incorporated with a metal-…
View article: Anti-IL-8 monoclonal antibodies inhibits the autophagic activity and cancer stem cells maintenance within breast cancer tumor microenvironment1
Anti-IL-8 monoclonal antibodies inhibits the autophagic activity and cancer stem cells maintenance within breast cancer tumor microenvironment1 Open
BACKGROUND: Breast cancer tumor microenvironment (TME) is a promising target for immunotherapy. Autophagy, and cancer stem cells (CSCs) maintenance are essential processes involved in tumorigenesis, tumor survival, invasion, and treatment …
View article: Circulating cell-free long noncoding RNA H19 as a promising novel biomarker in colorectal cancer patients from Egypt
Circulating cell-free long noncoding RNA H19 as a promising novel biomarker in colorectal cancer patients from Egypt Open
Background Colorectal cancer (CRC) has emerged as a significant health issue affecting millions worldwide. The current study aimed to evaluate circulating H19 expression levels as a noninvasive CRC biomarker and its relationship to tissue …
View article: In-vitro Modulation of mTOR-HIF-1α Axis by TLR7/8 Agonist (Resiquimod) in B-Chronic Lymphocytic Leukemia
In-vitro Modulation of mTOR-HIF-1α Axis by TLR7/8 Agonist (Resiquimod) in B-Chronic Lymphocytic Leukemia Open
Targeting toll-like receptors (TLRs), via TLR agonists, has been implicated in the regulation of immunometabolism. B-chronic lymphocytic leukemia (B-CLL) represents a suitable model for B-cell derived malignancies with shifted metabolic ad…
View article: Genetic polymorphisms of Endoplasmic reticulum amino peptidase 1 (ERAP1) and Interferon lambda 4 (IFN-λ4) in Egyptian patients with type 1 diabetes mellitus
Genetic polymorphisms of Endoplasmic reticulum amino peptidase 1 (ERAP1) and Interferon lambda 4 (IFN-λ4) in Egyptian patients with type 1 diabetes mellitus Open
Different genetic and environmental factors are implicated in type I diabetes (T1DM) pathogenesis. About 50% of the genetic susceptibility for T1DM is related to human leukocyte antigen (HLA) genes. Other non-HLA genes have variable roles …
View article: Angiogenic activities of interleukin-8, vascular endothelial growth factor and matrix metalloproteinase-9 in breast cancer
Angiogenic activities of interleukin-8, vascular endothelial growth factor and matrix metalloproteinase-9 in breast cancer Open
Angiogenesis is a major contributor to tumor growth and metastasis within breast cancer tumor microenvironment in which different proangiogenic factors have been identified and associated with tumor progression, metastasis and poor prognos…
View article: Role of Soluble CD163 and Monocyte Surface Markers in Hepatitis C Virus Infected Patients
Role of Soluble CD163 and Monocyte Surface Markers in Hepatitis C Virus Infected Patients Open
Background: Chronic stimulation of circulating monocytes and macrophages in hepatitis C virus infection can cause CD163 to be realesed into the circulation from their cell surface.Soluble CD163 (sCD163) can be used as a biomarker of macrop…
View article: Rating of CCR5-Delta 32 Homozygous Mutation in Sudanese HIV Patients and Sex Workers
Rating of CCR5-Delta 32 Homozygous Mutation in Sudanese HIV Patients and Sex Workers Open
Background: Prevention against human immunodeficiency virus (HIV) includes natural resistance in the population; mainly frequency of cysteine-cysteine chemokine receptor type-5 (CCR5-delta 32 mutation). By knowing the frequency of this res…
View article: RESTORATION AND CONSERVATION OF A UNIQUE ARCHAEOLOGICAL CARPET FROM PRINCE MOHAMED ALI PALACE MUSEUM IN EL- MANIAL, CAIRO (CASE STUDY)
RESTORATION AND CONSERVATION OF A UNIQUE ARCHAEOLOGICAL CARPET FROM PRINCE MOHAMED ALI PALACE MUSEUM IN EL- MANIAL, CAIRO (CASE STUDY) Open
[Ar] ترميم وصيانة سجادة آثرية فريدة من متحف قصر الأمير محمد على بالمنيل – القاهرة (دراسة حالة) يمثل السجاد التاريخى أحد أكثر الكنوز الفنية التى يجب الحفاظ عليها للأجيال القادمة. لذلك تقدم هذه الورقة البحثية استراتيجيات علمية لصيانة سجادة آ…
View article: Spectrometry as a non-destructive technique in identifying cultural archaeological heritage
Spectrometry as a non-destructive technique in identifying cultural archaeological heritage Open
When performing research in analytical archaeometry, it is often a requirement not to damage the object as each manipulation involves a certain risk. Therefore, researchers should aim to minimize any potential damage or risk of damage to t…
View article: Influence of resin cement shade on the color and translucency of zirconia crowns
Influence of resin cement shade on the color and translucency of zirconia crowns Open
Resin cement shade didn't affect final color perception. Monolithic high translucency crowns usage gained advantages of high translucency and delamination prevention. Zirconia crowns could be cemented by opaque or transparent cement withou…
View article: Comparison between different surface treatment methods on shear bond strength of zirconia (in vitro study)
Comparison between different surface treatment methods on shear bond strength of zirconia (in vitro study) Open
APA showed higher SBS values than Er:YAG surface treatment. Primer showed better results than no primer coating. Artificial saliva contamination did not affect the SBS of zirconia compared with no contamination results. Key words:Shear bon…
View article: Environmental and Health Safety Considerations of Nanotechnology: Nano Safety
Environmental and Health Safety Considerations of Nanotechnology: Nano Safety Open
The term nanotechnology describes a range of technologies performed on a nanometer scale with widespread applications including the production and application of physical, chemical, and biological systems at scales ranging from individual …
View article: Central corneal thickness measurement using ultrasonic pachymeter, optical coherence tomography, and TMS-5 topographer
Central corneal thickness measurement using ultrasonic pachymeter, optical coherence tomography, and TMS-5 topographer Open
Mean central corneal thicknesses (CCT) were comparable among OCT, TMS-5 topographer and the gold standard USP. However, there is a reproducible systematic difference between CCT measurements taken with the three devices. It is important to…
View article: Fabrication and Characterization of Biodegradable Polymer as Multifunction Finishing Agent for Natural fabrics
Fabrication and Characterization of Biodegradable Polymer as Multifunction Finishing Agent for Natural fabrics Open
I N THIS WORK, chitosan solution in aqueous acetic acid used to produce both bulk and nano sized chitosan as finishing agent for cotton and silk fabrics using different coating techniques; pad-dry-cure (for bulk chitosan) and electrosprayi…
View article: Evaluation the use of nano metal oxides as potential self cleaning agents for stained archeological textiles
Evaluation the use of nano metal oxides as potential self cleaning agents for stained archeological textiles Open
Nano-sized TiO2 and ZnO have demonstrated efficiency in many application fields due to their photocatalytic features that provide self cleaning properties to the materials with simple and non-expensive procedures. Recently, nano TiO2 and n…
View article: Spectral Evaluation Studies on Titanium Dioxide Nano-Particles and Their Add-mixtures on Textile Fabrics
Spectral Evaluation Studies on Titanium Dioxide Nano-Particles and Their Add-mixtures on Textile Fabrics Open
HIS article aims to study the effect of the treatment of different textile fabrics: wool, polyester, and blend wool/polyester with nano-titanium dioxide.Where, nano-TIO 2 used in the valid and safe concentrations range in accordance with m…