Hamdoon A. Mohammed

ORCID: 0000-0003-2896-6790
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About
Contact & Profiles
Research Areas
  • Essential Oils and Antimicrobial Activity
  • Phytochemistry and Biological Activities
  • Phytochemicals and Antioxidant Activities
  • Nanoparticles: synthesis and applications
  • Nanoparticle-Based Drug Delivery
  • Graphene and Nanomaterials Applications
  • Natural Antidiabetic Agents Studies
  • Natural product bioactivities and synthesis
  • Drug-Induced Hepatotoxicity and Protection
  • Advanced Drug Delivery Systems
  • Synthesis and biological activity
  • Computational Drug Discovery Methods
  • Laser-Ablation Synthesis of Nanoparticles
  • Alzheimer's disease research and treatments
  • RNA Interference and Gene Delivery
  • Phytochemistry and Bioactivity Studies
  • Ethnobotanical and Medicinal Plants Studies
  • Phytochemistry and biological activities of Ficus species
  • Parkinson's Disease Mechanisms and Treatments
  • Curcumin's Biomedical Applications
  • Advancements in Transdermal Drug Delivery
  • Advanced Nanomaterials in Catalysis
  • Drug Solubulity and Delivery Systems
  • Wound Healing and Treatments
  • Moringa oleifera research and applications

Qassim University
2019-2025

Al-Azhar University
2014-2024

Al-Azhar University
2022-2024

Zagazig University
2024

American Pharmacists Association
2019

Medicina
2019

Al al-Bayt University
2016

Saarland University
2011-2013

Okayama University
1999

Abstract Zinc oxide-silver (ZnO–Ag), and zinc oxide-gold (ZnO–Au) nano-composites were prepared through wet chemical process laced into single-walled carbon nanotubes (SWCNTs) to yield ZnO–Ag-SWCNTs, ZnO–Au-SWCNTs hybrids. These nano-composite-laced SWCNTs hybrids characterized using Raman spectroscopic, X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission (TEM) analyses. The evaluated for their effects on phagocytic cells bactericidal activity against the gram-negative...

10.1038/s41598-022-22193-1 article EN cc-by Scientific Reports 2022-10-13

The purpose of this study was to evaluate the potential a newly modified cyclodextrin derivative, water-soluble β-cyclodextrin–epichlorohydrin (β-CD), as an effective drug carrier enhance poor solubility and bioavailability galangin (GAL), poorly model drug. In regard, inclusion complexes GAL/β-CDP were prepared. UV-VIS spectrophotometry, Fourier-transform infrared spectroscopy (FTIR), X-ray crystallography (XRD), zeta analysis, particle size field emission scanning electron microscopy...

10.3390/molecules27144521 article EN cc-by Molecules 2022-07-15

Abstract Solid lipid nanoparticles (SLNs), the spheroidal-shaped, colloids state lipophilic-natured, innovative nanoscale particulate materials, are being concurrently prepared by quality-by-design approach for cellular and sub-cellular delivery of drugs other payloads with facilitated physicochemical characteristics targeted delivery. The drugs, pharmaceuticals biopharmaceutical genes to diseased body organs, tissues, mass have been developed as promising nanocarriers different...

10.1515/ntrev-2022-0517 article EN cc-by Nanotechnology Reviews 2023-01-01

Silver nanoparticles (AgNPs) have demonstrated numerous physicochemical, biological, and functional properties suitable for biomedical applications, including antibacterial drug carrier properties. In the present study, antibiotic, ciprofloxacin (CIP), was loaded onto AgNPs, which were synthesized via chemical reduction method, thereby enhancing CIP's activity against Gram-negative (Acinetobacter baumannii Serratia marcescens) Gram-positive (Staphylococcus aureus) bacterial strains....

10.3390/nano12162808 article EN cc-by Nanomaterials 2022-08-16

Aims: To evaluate the anti breast-cancer activity, biocompatibility and toxicity of poly(d,l)-lactic-co-glycolic acid (PLGA)-encapsulated quercetin nanoparticles (Q-PLGA-NPs). Materials & methods: Quercetin was nano-encapsulated by an emulsion-diffusion process, were fully characterized through Fourier transform infrared spectroscopy, x-ray diffractions, FESEM zeta-sizer analysis. Activity against CAL51 MCF7 cell lines assessed DNA fragmentation assays, fluorescence microscopy,...

10.2217/nnm-2021-0070 article EN Nanomedicine 2021-08-25

Nanoparticle development demonstrates use in various physicochemical, biological, and functional properties for biomedical applications, including anti-cancer applications. In the current study, a cancer therapeutic conjugate was produced consisting of tamoxifen (TAM) resveratrol (RES) by layer-by-layer (LbL) nanoparticles based on lipid-based drug delivery systems liquid crystalline (LCNPs) coated with multiple layers positively charged chitosan negatively hyaluronic acid evaluation...

10.3390/pharmaceutics13071098 article EN cc-by Pharmaceutics 2021-07-20

Zygophyllum coccineum, an edible halophytic plant, is part of the traditional medicine chest in Mediterranean region for symptomatic relief diabetes, hypertension, wound healing, burns, infections, and rheumatoid arthritis pain. The current study aimed to characterize Z. coccineum phytoconstituents, evaluations anti-microbial-biofilm, anti-cancers bioactivities plant’s mother liquor, i.e., aqueous-ethanolic extract, its subsequent fractions. silico receptors interaction feasibility major...

10.3390/molecules26030577 article EN cc-by Molecules 2021-01-22

Artemisia judaica (ArJ) is a Mediterranean aromatic plant used traditionally to treat gastrointestinal ailments, skin diseases, atherosclerosis, and as an immuno-stimulant. This study describes ArJ essential oil constituents investigates their wound healing activity. The in vitro antioxidant antibiofilm activities of were investigated. vivo pro/anti-inflammatory oxidative/antioxidant markers compared with standard silver sulfadiazine (SS) second-degree burn experimental rat model. gas...

10.3390/antiox11020332 article EN cc-by Antioxidants 2022-02-08

Abstract There is a need to formulate oral cetuximab (CTX) for targeting colorectal cancer, which reported express somatostatin receptors (SSTRs). Therefore, coating CTX with analogue such as octreotide (OCT) beneficial. Alginate was used coat facilitate delivery the gastrointestinal tract (GIT). This study aimed deliver conjugated OCT in form of microparticles GIT-targeted SSTR therapy. Both and were using solvent evaporation method CTX-OCT then loaded onto Ca-alginate-beads (CTX-OCT-Alg),...

10.1038/s41598-020-61605-y article EN cc-by Scientific Reports 2020-03-13

Streptomyces smyrnaeus UKAQ_23, isolated from the mangrove-sediment, collected Jubail,Saudi Arabia, exhibited substantial antimicrobial activity against methicillin-resistant Staphylococcus aureus (MRSA), including non-MRSA Gram-positive test bacteria. The novel isolate, under laboratory-scale conditions, produced highest yield (561.3 ± 0.3 mg/kg fermented agar) of compounds in modified ISP-4 agar at pH 6.5, temperature 35 °C, inoculum 5% v/w, 1.5% w/v, and an incubation period 7 days. two...

10.1038/s41598-021-93285-7 article EN cc-by Scientific Reports 2021-07-15

Six flavonoids present in Pulicaria jaubertii, i.e., 7,3'-di-O-methyltaxifolin (1), 3'-O-methyltaxifolin (2), 7-O-methyltaxifolin (3), taxifolin (4), 3-O-methylquercetin (5), and quercetin (6), were tested for their anticancer activities. The methylated flavonoids, compounds 1-3 5, evaluated activities comparison to the non-methylated parent (4) (6). structures of known reconfirmed by spectral analyses using 1H 13C NMR data comparisons HRMS spectrometry. activity these was colon cancer,...

10.1021/acsomega.2c05565 article EN cc-by-nc-nd ACS Omega 2022-12-07
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