Search Results - "Hamouda, Ragaa A."

Synthesis and biological characterization of silver nanoparticles derived from the cyanobacterium Oscillatoria limnetica by Hamouda, Ragaa A., Hussein, Mervat H., Abo-elmagd, Rasha A., Bawazir, Salwa S.

“…Using aqueous cyanobacterial extracts in the synthesis of silver nanoparticle is looked as green, ecofriendly, low priced biotechnology that gives advancement…”
Get full text

Assessment of Silver Nanoparticles Derived from Brown Algae Sargassum vulgare: Insight into Antioxidants, Anticancer, Antibacterial and Hepatoprotective Effect by Hamouda, Ragaa A, Aljohani, Ebtehail S

“…Algae are used as safe materials to fabricate novel nanoparticles to treat some diseases. Marine brown alga are used to fabricate silver nanoparticles…”
Get full text

Comparative study between two red algae for biosynthesis silver nanoparticles capping by SDS: Insights of characterization and antibacterial activity by Hamouda, Ragaa A., Abd El-Mongy, Mahmoud, Eid, Kamel F.

“…Biosynthesis silver nanoparticles (AgNPs) have received a lot of attention as a cytotoxic and antimicrobial activity against pathogenic bacteria. This study…”
Get full text

Bioprocess development for enhanced endoglucanase production by newly isolated bacteria, purification, characterization and in-vitro efficacy as anti-biofilm of Pseudomonas aeruginosa by Ibrahim, Atef M., Hamouda, Ragaa A., El-Naggar, Noura El-Ahmady, Al-Shakankery, Fatma M.

“…Endoglucanase producing bacteria were isolated from Egyptian soils and the most active bacterial strain was identified as Bacillus subtilis strain Fatma/1…”
Get full text

Simultaneous bioremediation of Disperse orange-2RL Azo dye and fatty acids production by Scenedesmus obliquus cultured under mixotrophic and heterotrophic conditions by Hamouda, Ragaa A., El‑Naggar, Noura El‑Ahmady, Abou-El-Souod, Ghada W.

“…Several types of green photosynthetic microalgae can grow through the process of heterotrophic growth in the dark with the help of a carbon source instead of…”
Get full text

Phycotoxicity and catalytic reduction activity of green synthesized Oscillatoria gelatin-capped silver nanoparticles by Abo-Elmagd, Rasha A., Hamouda, Ragaa A., Hussein, Mervat H.

“…Over the last decade, an extensive range of consumer products containing manufactured silver nanoparticles (AgNPs) have been progressively used. The unfitting…”
Get full text

Simultaneous production of biofuel, and removal of heavy metals using marine alga Turbinaria turbinata as a feedstock in NEOM Region, Tabuk by Alotaibi, Amenah S., Alhumairi, Abrar M., Ghabban, Hanaa, Alenzi, Asma Massad, Hamouda, Ragaa A.

“…Depletion of fossil fuel and pollution by heavy metals are two major global issues. The cell wall of algae consists of polymers of polysaccharides such as…”
Get full text

Multivariate investigation of Moringa oleifera morpho-physiological and biochemical traits under various water regimes by Hajaji, Afef N, Heikal, Yasmin M, Hamouda, Ragaa A E F, Abassi, Mejda, Ammari, Youssef

“…The climatic changes crossing the world menace the green life through limitation of water availability. The goal of this study was to determine whether Moringa…”
Get full text

Biogenic Nanoparticles Silver and Copper and Their Composites Derived from Marine Alga Ulva lactuca: Insight into the Characterizations, Antibacterial Activity, and Anti-Biofilm Formation by Hamouda, Ragaa A., Alharthi, Mada A., Alotaibi, Amenah S., Alenzi, Asma Massad, Albalawi, Doha A., Makharita, Rabab R.

“…Bacterial pathogens cause pain and death, add significantly to the expense of healthcare globally, and pose a serious concern in many aspects of daily life…”
Get full text

Simultaneous bioremediation of cationic copper ions and anionic methyl orange azo dye by brown marine alga Fucus vesiculosus by El-Naggar, Noura El-Ahmady, Hamouda, Ragaa A., Saddiq, Amna A., Alkinani, Monagi H.

“…Textile wastewater contains large quantities of azo dyes mixed with various contaminants especially heavy metal ions. The discharge of effluents containing…”
Get full text

Study on the Isotherms, Kinetics, and Thermodynamics of Adsorption of Crystal Violet Dye Using Ag-NPs-Loaded Cellulose Derived from Peanut-Husk Agro-Waste by Aljeddani, Ghalia Saleem, Alghanmi, Reem Mohammad, Hamouda, Ragaa A.

“…A huge amount of textile dyes are released as industrial waste into the environment each year, which alters the water’s natural appearance and causes toxicity…”
Get full text

The Antibacterial Activities and Characterizations of Biosynthesized Zinc Oxide Nanoparticles, and Their Coated with Alginate Derived from Fucus vesiculosus by Hamouda, Ragaa A, Alharbi, Asrar A, Al-Tuwaijri, Majdah M, Makharita, Rabab R

“…Zinc oxide nanoparticles have many advantages for nano-biotechnologists due to their intense biomedical applications. ZnO-NPs are used as antibacterial agents,…”
Get full text

Antibacterial Activity of Ulva/Nanocellulose and Ulva/Ag/Cellulose Nanocomposites and Both Blended with Fluoride against Bacteria Causing Dental Decay by Hamouda, Ragaa A, Qarabai, Fauzia A K, Shahabuddin, Fathi S, Al-Shaikh, Turki M, Makharita, Rabab R

“…One of the most prevalent chronic infectious disorders is tooth decay. Acids produced when plaque bacteria break down sugar in the mouth cause tooth decay. and…”
Get full text

Paecilomyces variotii xylanase production, purification and characterization with antioxidant xylo-oligosaccharides production by Abdella, Asmaa, Ramadan, Samah, Hamouda, Ragaa A., Saddiq, Amna A., Alhazmi, Nuha M., Al-Saman, Mahmoud A.

“…Paecilomyces variotii xylanase was, produced in stirred tank bioreactor with yield of 760 U/mL and purified using 70% ammonium sulfate precipitation and…”
Get full text

Characterization and Anticancer Activity of Biosynthesized Au/Cellulose Nanocomposite from Chlorella vulgaris by Hamouda, Ragaa A, Abd El Maksoud, Ahmed I, Wageed, Madonna, Alotaibi, Amenah S, Elebeedy, Dalia, Khalil, Hany, Hassan, Amr, Abdella, Asmaa

“…Therapeutic selectivity is a critical issue in cancer therapy. As a result of its adjustable physicochemical characteristics, the Au/cellulose nanocomposite…”
Get full text

Statistical optimization for simultaneous removal of methyl red and production of fatty acid methyl esters using fresh alga Scenedesmus obliquus by El‑Naggar, Noura El‑Ahmady, Hamouda, Ragaa A., Abou-El-Souod, Ghada W.

“…Microalgae are a diverse group of microorganisms, the majority of which are photosynthetic in nature. Microalgae have different applications, the most…”
Get full text

Assessment of Antioxidant and Anticancer Activities of Microgreen Alga Chlorella vulgaris and Its Blend with Different Vitamins by Hamouda, Ragaa A, Abd El Latif, Amera, Elkaw, Ebtihal M, Alotaibi, Amenah S, Alenzi, Asma Massad, Hamza, Hanafy A

“…There is a very vital antioxidant extracted from microgreen alga. has major advantages and requires high yield worldwide. Some microalgae require vitamins for…”
Get full text

Bioprocess development for biosorption of cobalt ions and Congo red from aquatic mixture using Enteromorpha intestinalis biomass as sustainable biosorbent by El-Naggar, Noura El-Ahmady, Hamouda, Ragaa A., Abuelmagd, Muhammad A., Abdelgalil, Soad A.

“…Because of the increased amount of cobalt and Congo red dye effluents attributable to the industrial operations, the capacity of Enteromorpha intestinalis…”
Get full text

Antifungal Activities of Biogenic Silver Nanoparticles Mediated by Marine Algae: In Vitro and In Vivo Insights of Coating Tomato Fruit to Protect against Penicillium italicum Blue Mold by Hamouda, Ragaa A, Almaghrabi, Fatimah Q, Alharbi, Ohoud M, Al-Harbi, Abla D M, Alsulami, Rahaf M, Alhumairi, Abrar M

“…In an attempt to reduce such decay induced by pathogenic causes, several studies investigated the effectiveness of nanoparticles (NPs) that play a vital role…”
Get full text

Protective role of Chlorella vulgaris with Thiamine against Paracetamol induced toxic effects on haematological, biochemical, oxidative stress parameters and histopathological changes in Wistar rats by Latif, Amera Abd El, Assar, Doaa H., Elkaw, Ebtihal M., Hamza, Hanafy A., Alkhalifah, Dalal Hussien M., Hozzein, Wael N., Hamouda, Ragaa A.

“…Paracetamol is extensively consumed as an analgesic and antipyretic drug, but at a high dose level, it leads to deleterious side effects, such as hepatic and…”
Get full text