Publications by authors named "Mohammad A Wadaan"

In this study, ZnO, CdS, ZnO/CdS, and ZnO/CdS/Co nanostructures were successfully synthesized using a simple chemical precipitation method. The formation of these nanostructures was confirmed through x-ray diffraction (XRD), but their morphological properties were analyzed using scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Their optical properties were investigated using UV-visible diffuse reflectance spectroscopy (UV-DRS) and photoluminescence spectroscopy (PL).

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  • Nickel cobaltite (NC) nanoparticles were created using a sol-gel method and heated to 600°C, leading to structural changes identified through X-ray diffraction.
  • Spectroscopic analysis revealed modifications in the material's optical properties, with an increased bandgap following shockwave treatment, enhancing its potential for use in optoelectronic devices.
  • Magnetic studies indicated that the shock-treated nanoparticles exhibited improved magnetic properties, suggesting they could be beneficial for applications in magnetic storage as well as in energy systems like photovoltaics and spintronics.
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This study explores the synthesis, characterization, and photocatalytic performance of a SnO/TiO-Ni@rGO nanocomposite for tetracycline (TC) degradation under visible light irradiation. The nanocomposite was precisely designed to enhance structural stability, charge transfer efficiency, and catalytic activity. X-ray diffraction (XRD) analysis confirmed the structural integrity of the SnO/TiO-Ni@rGO composite, demonstrating excellent reusability and resistance to photo-corrosion after multiple cycles.

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The modern nanomedicine incorporates the multimodal treatments into a single formulation, offering innovative cancer therapy options. Nanosheets function as carriers, altering the solubility, biodistribution, and effectiveness of medicinal compounds, resulting in more efficient cancer treatments and reduced side effects. The non-toxic nature of fluorinated graphene oxide (FGO) nanosheets and their potential applications in medication delivery, medical diagnostics, and biomedicine distinguish them from others.

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Fabricating metal oxide nanoparticles has garnered much attention lately because creating safe chemicals, sustainable materials, economic processes, and renewable resources is becoming increasingly important. This research shows how TiO nanoparticles (NPs) could be generated in an ecologically responsible way using waste coconut husk with the help of tender coconut. This extract functions as both a reducing agent and a sealing agent.

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Rapid growth in the industry has released large quantities of contaminants, particularly metal discharges into the environment. Heavy metal poisoning in water bodies has become a major problem due to its toxicity to living organisms. In this study, we developed a 3-chloropropyl triethoxysilane incorporated mesoporous silica nanoparticle (SBA-15) based adsorbent utilizing the sol-gel process and Pluronic 123 (P123) as a structure-directing surfactant.

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This study explores the challenge of antimicrobial resistance by investigating the utilization of zinc oxide (ZnO) and copper oxide (CuO) nanoparticles (NPs) to combat antibiotic-resistant bacteria in wastewater treatment plants (WWTPs). The synthesized metal oxide NPs underwent thorough characterization through various analytical techniques, confirming their nanoparticulate nature. Electronic absorption and X-ray diffraction (XRD) analyses revealed successful reduction processes and crystalline properties, respectively.

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The adsorption of Polycyclic aromatic hydrocarbons (PAHs) using nanoparticles is gaining significant attention due to the rapid removal or treatment rates. In this study, Silicon Dioxide-Zinc Oxide nanoparticles (SiO-ZnO NPs) were synthesized to adsorb pyrene. Physicochemical characterization of SiO-ZnO NPs showed plasmon resonance at 323 nm, agglomeration, irregular dispersion, and diameters of 90-100 nm.

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Alternate antibiotics developed through the involvement of nanomaterials are gaining interest due to their economical and lower toxicity concerns. A newly developed biopolymer-based polyvinylpyrrolidone/zinc oxide (PVP/ZnO) nanocomposite (NCs) was efficiently synthesized by an environment-friendly approach, utilizing onion and garlic peel extract as a bio-surfactant, zinc acetate as the source, PVP as the stabilizing agent, and sodium hydroxide as the precipitant. Fourier transform infrared spectroscopy (FT-IR) and X-ray diffraction (XRD) investigations verified the crystalline properties of ZnO, PVP, and PVP/ZnO-based NCs.

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  • * The choice of ligand significantly affected the emission and magnetic properties, leading to ferromagnetic characteristics, and we explored efficient electron transfer to the cobalt(iii) center using TiO nanoparticles under UV light.
  • * Our study proposed a model for interfacial electron transfer (IET) by analyzing the interaction between TiO and Co levels and demonstrated this process through the conversion of 2-propanol to acetone, enhancing our understanding of the Rpy ligand's
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The main focus of anticancer drug discovery is on developing medications that are gentle on normal cells and should have the ability to target multiple anti-cancer pathways. Liver cancer is becoming a worldwide epidemic due to the highest occurring and reoccurring rate in some countries. Calotropis procera is a xerophytic herbal plant growing wildly in Saudi Arabia.

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The gradual release of slow-degrading polycyclic aromatic hydrocarbons into the environment creates a high level of threat to aquatic and terrestrial life worldwide. Remediation of these PAHs should be designed in such a way that it poses as few or no environmental hazards as possible. In our study, we examined the degradation ability of the synthesized MnO nanoparticles against fluorene.

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Introduction: Raw milk may contain pathogenic microorganisms harmful to humans, e.g., multidrug-resistant non-O157:H7, which can cause severe colitis, hemolytic uremia, and meningitis in children.

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We prepared a naturally occurring flavanoid namely quercetin from tea leaves and analyzed by Absorption, Emission, FT-IR, H, C nmr spectra and ESI-MS analysis. The inclusion behavior of quercetin in cyclodextrins like α-, β-, γ-, per-6-ABCD and mono-6-ABCD cavities were supported such as UV-vis., Emission, FT-IR and ICD spectra and energy minimization studies.

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  • This research explored the antibacterial and antifungal properties of Polyalthia longifolia leaf extracts, specifically methanol and petroleum ether extracts.
  • Methanol extract exhibited significantly greater effectiveness against various bacterial and fungal pathogens compared to petroleum ether extract, with specific MIC, MBC, and MFC values indicating its potency.
  • Analytical techniques like UV-Vis spectra, FTIR, and GC-MS identified active compounds in the methanol extract, suggesting it contains valuable bioactive substances with potential medicinal applications.
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Ticks pose a major threat to cattle health and production in Pakistan because they transmit pathogens of diseases like Babesiosis and Theileriosis. spp., found across Africa, Asia, and Europe, are especially problematic.

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An in-vitro investigation was performed to evaluate and compare the phytochemical, antioxidant, antidiabetic, anti-inflammatory, and anti-lung cancer activities of methanol extracts of aerial parts of Andrographis paniculata and Trianthema portulacastrum. Furthermore studied major functional groups of phytochemicals present in the methanol extracts of these plants through Fourier transform infrared (FTIR) analysis. The results showed that the methanol extract of A.

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Polycyclic aromatic hydrocarbons (PAHs) are omnipresent, persistent, and carcinogenic pollutants continuously released in the atmosphere due to the rapid increase in population and industrialization worldwide. Hence, there is an ultimate rise in concern about eliminating the toxic PAHs and their related aromatic hydrocarbons from the air, water, and soil environment by employing efficient removal technologies using nanoparticles as a catalyst. Here, the degradation of selective PAHs viz.

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Hydrogen energy is converted to electricity through fuel cells, aided by nanostructured materials. Fuel cell technology is a promising method for utilizing energy sources, ensuring sustainability, and protecting the environment. However, it still faces drawbacks such as high cost, operability, and durability issues.

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This research was aimed to evaluate the phytochemical profile, antifungal, anti-hyperglycemic, as well as antioxidant activity competence of different extracts of Athyrium asplenioides through in-vitro approach. The A. asplenioides crude methanol extract contained considerable quantity of pharmaceutically precious phytochemicals (saponins, tannins, quinones, flavonoid, phenols, steroid, and terpenoids) than others (acetone, ethyl acetate, and chloroform).

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In this study, thermally activated kaolinite clay is explored as a suitable material for dye removal applications, which gave rise to highly reactive silica species in a broad range of aluminosilicate clusters. Multinuclear NMR studies described it as a short-range network in which Al sites in IV, V, and VI are coordinated, and Si is present mainly as Si(Q4(1Al)). Critical parameters for methylene blue (MB) were determined by the Placket Burman Design (PBD) as initial dye concentration, contact time, adsorbent dosage, pH and size.

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This study aims to evaluate the protective behaviour of N2, a semi-natural analog of nimbin, for its anti-diabetic efficacy against alloxan-induced oxidative damage and β-cell dysfunction in in-vivo zebrafish larvae. A 500 μM of alloxan was exposed to zebrafish larvae for 24 h to induce oxidative stress in the pancreatic β-cells and co-exposed with N2 to study the protection of N2 by inhibiting ROS by DCFH-DA, DHE and NDA staining along with Cellular damage, apoptosis and lipid peroxidation. The zebrafish was further exposed to 500 μM alloxan for 72 h to induce β-cell destruction along with depleted glucose uptake and co-exposed to N2 to study the protective mechanism.

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Chikungunya, Zika, Dengue Viruses, and now Novel Coronavirus are global health challenges that cause human diseases ranging from febrile illnesses to death. Most of these viruses are mainly vectored by mosquitoes worldwide. Molecular detection of arboviruses was made in female Aedes mosquito pools caught from all the seven districts by using a reliable molecular technique, "RT-PCR.

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Breast cancer is the most common cause of cancer mortality in Western nations, with a terrible prognosis. Many studies show that siRNA plays a role in the development of tumors by acting as a tumor suppressor and apoptosis inhibitor or both. siRNAs may be used as diagnostic and prognostic biomarkers in breast cancer.

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The new asperorlactone (), along with the known illudalane sesquiterpene echinolactone D (), two known pyrones, 4-(hydroxymethyl)-5-hydroxy-2-pyran-2-one () and its acetate , and 4-hydroxybenzaldehyde (), were isolated from a culture of , collected from Red Sea marine sediments. The structure of asperorlactone () was elucidated by HR-ESIMS, 1D, and 2D NMR, and a comparison between experimental and DFT calculated electronic circular dichroism (ECD) spectra. This is the first report of illudalane sesquiterpenoids from fungi and, more in general, from ascomycetes.

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