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Faculty members

Content

Inside a building, a man dressed in a traditional white uniform with a red and white Saudi shemagh wears a neutral expression as if he were taking a picture of a faculty file at Qassim University.
Photo of the faculty member

RIYAZ AHMED KHAN KHAN

Lecturer
College of Pharmacy,
Pharmaceutics department

Personal data

  • R.KHAN@qu.edu.sa
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    Scientific qualifications

      Research interests

        Published research

        • Initial experiments on laser-based electron acceleration at RRCAT, Indore (2008-08-01)
        • Single-harmonic enhancement by controlling the chirp of the driving laser pulse during high-order harmonic generation from GaAs plasma (2006-12-01)
        • Ectopic pancreas presenting as a submucosal gastric antral tumor that was cystic on EUS (2001-05-01)
        • A microemulsion-based gel of isotretinoin and erythromycin estolate for the management of acne (2022-03-24)
        • Nanocosmeceuticals for the management of aging: Rigors and Vigors (2021-03-24)
        • Exploring nature's hidden treasure: Unraveling the untapped phytochemical and pharmacological potentials of Clinopodium vulgare L. - A hidden gem in the Lamiaceae family (2024-01-24)
        • Chitosan-Coated Gold Nanoparticles' Folic Acid Conjugates for Targeted Delivery of Papain Enzyme: An Extended Nanoplatform Approach for Cancer Therapy (2025-03-03)
        • Aromatic Volatile Compounds of Essential Oils: Distribution, Chemical Perspective, Biological Activity, and Clinical Applications (2025-09-01)
        • Biodiversity to Breakthroughs: The Promise of Saudi Arabian Medicinal Plants in Antiviral Research (2025-09-10)
        • Biodiversity to Breakthroughs: The Promise of Saudi Arabian Medicinal Plants in Antiviral Research (2025-10-10)
        • Hesperidin-methotrexate dual drugs-loaded mesoporous silica nanoparticles: Dose reductions, bioavailability increments, and enhanced anti-cancer activity with organ safety (2025-07-23)
        • Piperacillin-loaded amine-functionalized mesoporous silica nanoparticles: A new frontier in combating multidrug-resistant pathogenic bacteria through value-added piperacillin antibiotic (2025-01-06)
        • Natural medicines, plant-based ingredients, foods, and essential oil nano-formulations: A new paradigm in nanotechnical developments (2025-11-25)
        • Enhanced anti-microbial activity of ofloxacin-loaded mesoporous silica nanoparticles against clinical isolates of drug-resistant microbes (2025-05-22)
        • Bacteriocin Isolated from Ralstonia mannitolilytica and Bacteriocin-Capped Silver Nanoparticles: Comparative Effects on Biofilm Formation and LuxS Gene Expression in Proteus mirabilis as an Approach to Combat MDR Catheter Infections (2025-01-17)
        • Benzimidazoles: Synthons, Bioactive Lead Structures, Total Synthesis, and the Profiling of Major Bioactive Categories (2025-03-06)
        • Enhanced Physico-Mechanical and Antimicrobial Properties of Nano-Zinc Oxide/Poly(Ethylene Adipate) Nanocomposite Thin Films (2025-11-07)
        • Combating multidrug-resistant infections: Gold nanoparticles-chitosan-papain-integrated dual-action nanoplatform for enhanced antibacterial activity (2025-11-11)
        • Finerenone in diabetic kidney disease: a new frontier for slowing disease progression (2025-06-02)
        • Green Synthesis and Characterization of Apple Peel-Derived Selenium Nanoparticles for Antifungal Activity and the Effects of MexA Gene Expression on Efflux Pumps in Acinetobacter baumannii (2024-10-08)
        • Wound-Healing Potential and Antibacterial Activity of Freshly Prepared Graphene Oxide Nanoparticles, Specifically Against Staphylococcus aureus: In Vivo Efficacy and Evaluation of Clinical Isolates (2024-04-20)
        • Phytochemical profiling, molecular docking, and in vitro anti-hepatocellular carcinoid bioactivity of Suaeda vermiculata extracts (2022-05-19)
        • Phytochemical and Biological Activity Profiles of Thymbra linearifolia: An Exclusively Native Species of the Libyan Green Mountains (2023-03-14)
        • Variability in the volatile constituents and biological activities of Achillea millefolium L. essential oils obtained from different plant parts and using different solvents (2023-07-07)
        • Bacterial extracellular vesicles induce oxidative stress and mitophagy through mTOR pathways in HT-29 colon cancer cells: Implications for bioactivity (2023-05-19)
        • Design, classification, and adverse effects of NSAIDs: A review on recent advancements (2024-08-31)
        • Pharmacophore modeling, design, and synthesis of potent antihypertensives, oxazolo/thiazolo-[3,2-a]-pyrimidin-3(2H)-one, and 1,5-dihydroimidazo-[1,2-a]-pyrimidin-3(2H)-one derivatives: A pilot trial (2021-01-14)
        • Factors affecting the accumulation and variation of volatile and non-volatile constituents in rosemary, Rosmarinus officinalis L. (2024-09-01)
        • Self-Generating Nanoemulsification Techniques for Alternative-Route, Bioavailability-Enhanced Delivery, Especially for Anticancer, Antidiabetic, and Miscellaneous Drugs of Natural and Synthetic Origins (2020-08-01)
        • Iron oxide nanoparticles: The versatility of magnetic and functionalized nanomaterials in targeting drugs and gene deliveries with effectual magnetofection (2024-08-02)
        • Organ-specific renal tissue damage manifested by single-walled carbon nanotubes and single-walled carbon nanotube-silver-titania nanocomposite: Cellular toxicity at high doses (2024-11-26)
        • Effects of Purified L-Glutaminase Against Multidrug-Resistant Pseudomonas aeruginosa in an Experimental Vaginosis Model: An Immunological and Histopathological Observation (2024-09-20)
        • An overview of the density functional theory on antioxidant bioactivity predictive feasibilities: Insights from natural antioxidant products (2023-12-28)
        • Essential oils pharmacological activity: Chemical markers, biogenesis, plant sources, and commercial products (2024-01-28)
        • Cyclosporine: Immunosuppressive effects, entwined toxicity, and clinical modulations of an organ transplant drug (2024-11-26)
        • Comparative Anticancer Potentials of Taxifolin and Quercetin Methylated Derivatives Against HCT-116 Cell Lines: Effects of O-Methylation on Taxifolin and Quercetin as Preliminary Natural Leads (2022-12-07)
        • Antimicrobial Efficacy of L-Glutaminase (EC 3.5.1.2) Against Multidrug-Resistant Pseudomonas aeruginosa Infection (2023-11-28)
        • Isolation, characterization, anti-MRSA evaluation, and in silico multi-target antimicrobial validations of actinomycin X2 and actinomycin D produced by the novel Streptomyces smyrnaeus strain UKAQ_23 (2021-07-15)
        • Modification of SWCNTs with ZnO-Ag and ZnO-Au hybrid materials to enhance the bactericidal activity of phagocytic cells against Escherichia coli via the NOX2 pathway (2022-10-13)
        • Antibacterial and hemocompatibility potentials of nano-gold-cored alginate preparation against anaerobic bacteria from acne vulgaris (2024-03-24)
        • Phytochemical, biological, and computational studies of Ephedra alata Decne. growing under saline conditions on the Arabian Peninsula (2024-09-23)
        • Cosmeceutical Evaluation of Ginkgo biloba Leaf Extract: A Preliminary Assessment of Human Volunteers to Achieve Improved Skin Conditions and Rejuvenation (2023-04-25)
        • Roles of the Aqueous-Ethanolic Extract of Suaeda vermiculata, Its Subsequent Fractions, and the Isolated Compounds in Hepatoprotection Against Paracetamol-Induced Toxicity Compared to Silymarin (2021-09-17)
        • Copper Oxide Nanoparticle-Decorated Carbon Nanoparticle Composite Colloidal Preparation through Laser Ablation for Antimicrobial and Antiproliferative Actions against Breast Cancer Cell Line, MCF-7 (2022-03-08)
        • Non-invasive drug delivery technology: development and current status of transdermal drug delivery devices, techniques, and biomedical applications (2020-06-01)
        • Nano-scale delivery: A comprehensive review of nano-structured devices, preparative techniques, site-specificity designs, biomedical applications, commercial products, and references to safety, cellular uptake, and organ toxicity (2021-10-21)
        • Contemporary nano-architectured drugs and leads for αvβ3 integrin-based chemotherapy: Rationale and retrospect (2022-01-01)
        • Octreotide-conjugated silver nanoparticles for active targeting of somatostatin receptors and their application in a nebulized rat model (2022-01-01)
        • Miniaturized peptidomimetics and nano-vesiculation in endothelin types through probable nano-disk formation and structure-property relationships of endothelin fragments. (2022-01-01)
        • Design, preparation, and functionalization of nanobiomaterials for enhanced efficacy in current and future biomedical applications (2022-05-03)
        • Preliminary Trials of Gold Nanoparticle-Conjugated Chrysin: An Assessment of the Antioxidant, Antimicrobial, and In Vitro Cytotoxic Activities of a Nanoformulated Flavonoid (2022-08-05)
        • Solid lipid nanoparticles for targeted delivery of natural and synthetic drugs in high-incidence cancers and other diseases: Roles of preparation methods, lipid composition, transitional stability, and release profiles in nanocarrier development (2023-02-18)
        • Cilostazol-loaded niosome transdermal gels: In vitro and in vivo studies of anti-aggregant activity and skin permeation for the development of an effective nanoscale formulation (2024-07-29)
        • Graphene oxide-induced, reactive oxygen species-mediated mitochondrial dysfunctions and apoptosis: high-dose toxicity in normal cells (2023-07-20)
        • Silver-cored Ziziphus spina-christi extract-loaded antimicrobial nanosuspension: overcoming multidrug resistance (2023-11-20)
        • In Vitro and In Silico Approaches for Evaluating the Antileishmanial Activity of Actinomycins Isolated from a Novel Streptomyces smyrnaeus Strain, UKAQ_23 (2021-08-01)
        • Combined Anti-Bacterial Actions of Lincomycin and Freshly Prepared Silver Nanoparticles: Overcoming Antibiotic Resistance and Enhancing Bioactivity (2022-12-01)
        • Antimicrobial, Antibiofilm, and Antioxidant Potentials of Four Halophytic Plants—Euphorbia chamaesyce, Bassia arabica, Fagonia mollis, and Haloxylon salicornicum— Growing in the Qassim Region of Saudi Arabia: Phytochemical Profile and In Vitro and In Silico Bioactivity Investigations (2023-03-01)
        • Analytical Purity Determinations of the Common Food Spice Curcuma longa Using a QbD-Validated HPLC Approach with Critical Parametric Predictors and Operational Design Monte Carlo Simulations: Analysis of Extracts, Forced Degradants, and Pharmaceutical Dosage Forms in the Form of Capsules and Tablets (2023-03-01)
        • Anthocyanins: Traditional Uses, Structural and Functional Variations, Approaches to Increase Yields and Product Quality, Hepatoprotection, Liver Longevity, and Commercial Products (2022-02-01)
        • Molecule(s) of Interest: I. Ionic Liquids - Gateway to Newer Nanotechnology Applications: Advanced Nanobiotechnical Uses, Current Status, Emerging Trends, Challenges, and Prospects (2022-11-01)
        • Salt-Tolerant Plants, Halophytes, as Renewable Natural Resources for Cancer Prevention and Treatment: Roles of Phenolics and Flavonoids in Immunomodulation and Suppression of Oxidative Stress toward Cancer Management (2023-03-01)
        • Gold Nanoparticles and Graphene Oxide Flakes Synergistically Enhance Cytosolic Bactericidal Activity: The Role of ROS and NOX2 Activity (2021-01-01)
        • The Effect of Drying on the Composition and Oil Quality of Rosemary (Rosmarinus officinalis Linn) (2020-06-01)
        • Anti-Microbial, Anti-Oxidant, and α-Amylase Inhibitory Activity of Traditionally-Used Medicinal Herbs: A Comparative Analysis of Pharmacology and Phytoconstituents of Regional Halophytic Plants' Diaspora (2020-02-01)
        • Phytochemical Profiling, In Vitro and In Silico Evaluations of Antimicrobial and Anticancer Activity, and Staph Gyrase B and h-TOP-IIβ Receptor Docking Studies of Major Constituents of Zygophyllum coccineum L. Aqueous-Ethanolic Extract and Its Subsequent Fractions: An Approach to Validate Traditional Phytomedicinal Knowledge (2021-02-01)
        • Oncolytic Newcastle Disease Virus Co-Delivered with Modified PLGA Nanoparticles Encapsulating Temozolomide Against Glioblastoma Cells: Developing an Effective Treatment Strategy (2022-09-01)
        • Gold Nanoparticles and Graphene Oxide Flakes Enhance Cancer Cells' Phagocytosis Through a Granzyme-Perforin-Dependent Biomechanism (2021-06-01)
        • Ciprofloxacin-Loaded Silver Nanoparticles as Potent Nano-Antibiotics Against Resistant Pathogenic Bacteria (2022-08-01)
        • SPION-Conjugated Doxorubicin Delivery for Cancer Treatment: Current Status, Challenges, and Prospects (2022-10-01)
        • In Vitro and In Vivo Functional Viability, and Biocompatibility Evaluation of Bovine Serum Albumin-Ingrained Microemulsion: A Model Based on Sesame Oil as the Payload for Developing an Efficient Drug Delivery Platform (2023-04-01)
        • Layer-by-Layer Nanoparticles of Tamoxifen and Resveratrol for Dual Drug Delivery System and Potential Triple-Negative Breast Cancer Treatment (2021-07-01)
        • Chemical Profile, Antioxidant, Antimicrobial, and Anticancer Activities of the Water-Ethanol Extract of Pulicaria undulata Growing in the Oasis of the Central Saudi Arabian Desert (2021-09-01)
        • Comparative Phytochemical Profile and Biological Activity of Four Major Medicinal Halophytes from Qassim Flora (2021-10-01)
        • In Vitro Antiproliferative and Kinase Inhibitory Activity of Phenanthroindolizidine Alkaloids Isolated from Tylophora indica (2022-05-01)
        • Mitigation of CCl₄-Induced Hepatotoxicity in Rats Using an Aqueous-Ethanolic Extract of Suaeda vermiculata, and Cytotoxicity Evaluations Using HepG-2 and HepG-2/ADR Cell Lines (2020-10-01)
        • Pyrethroid-Induced Organ Toxicity and Antioxidant-Supplemented Amelioration of Toxicity and Organ Damage: The Protective Roles of Ascorbic Acid and α-Tocopherol (2020-09-01)
        • In Vivo and In Silico Analgesic Activity of Ficus populifolia Extract Containing 2-O-β-D-(3',4',6'-Tri-acetyl)-glucopyranosyl-3-methylpentanoic Acid (2023-02-01)
        • Phytochemical Analysis, Pharmacological and Safety Evaluations of the Halophytic Plant Salsola cyclophylla (2021-04-01)
        • Sage (Salvia officinalis L.): Constituents, Hepatoprotective Activity, and Cytotoxicity Evaluations of Essential Oils Obtained from Fresh and Dried Herbs at Different Time Points: A Comparative Analysis (2021-10-01)
        • Galangin/β-Cyclodextrin Inclusion Complex as a Drug-Delivery System for Improved Solubility and Biocompatibility in Breast Cancer Treatment (2022-07-01)
        • Diversity of Phenanthroindolizidine Alkaloids and Secondary Metabolites in Medicinally Useful Plants of the Genus Tylophora (2023-03-01)
        • Potential in vitro anti-breast cancer activity of a green-synthesized silver nanoparticle preparation against human MCF-7 cell lines (2019-12-01)
        • Chemopreventive and therapeutic roles, and mechanistic insights of flavonoid activity during pandemics: A comprehensive review (2026-04-07)
        • Modular Approach to In Silico Antiviral Multitarget Inhibitors: Molecular Docking, Dynamics, Principal Component Analysis, Clustering, and Energy Landscape (2026-02-23)
        • Enhanced Yields of Artemisia herba-alba Essential Oils Through Extended Shade-Drying, and Their Antioxidant, Cytotoxic, and Anti-apoptotic Activities (2026-02-18)
        • An improved synthesis of Biginelli-type compounds via phase-transfer catalysis (2009-12-25)
        • Nigella sativa Seed Oil Antibacterial and Antibiofilm Activity against Escherichia coli O157H7 Shiga Toxin-2 (2026-05-01)
        • A Systematic Review of Vaccine Development Approaches: Evaluating Efficacy and Addressing Challenges of Infectious Diseases in the Post-COVID-19 Era (2026-05-01)
        • Natural Products Chemistry: Emerging Trends and Prospective Goals (2018-07-01)
        • Liposomal Systems as Viable Drug Delivery Technology for Skin Cancer Sites with an Outlook on Lipid-Based Delivery Vehicles and Diagnostic Imaging Inputs for Skin Conditions (2016-10-01)
        • Polymeric emulsion and crosslink-mediated synthesis of super-stable nanoparticles as sustained-release anti-tuberculosis drug carriers (2011-10-15)
        • Biomechanistic insights into the roles of oxidative stress in generating complex neurological disorders (2018-04-01)
        • Flavonoids and polymer derivatives as CYP3A4 inhibitors for improved oral drug bioavailability (2013-02-01)
        • Fabrication, Modeling, and Characterization of Multi-Crosslinked Methacrylate Copolymeric Nanoparticles for Oral Drug Delivery (2011-09-01)
        • An Interactive Human Carbonic Anhydrase-II (hCA-II) Receptor - Pharmacophore Molecular Model & Anti-Convulsant Activity of the Designed and Synthesized 5-Amino-1,3,4-Thiadiazole-2-Thiol Conjugated Imine Derivatives (2013-05-01)
        • The application of a crosslinked pectin-based wafer matrix for gradual buccal drug delivery (2012-05-01)
        • Synthesis of Met-enkephalin by solution-phase peptide synthesis using para-toluene sulfonic acid as an N-terminal masking agent for the L-methionine amino acid (2016-12-01)
        • Micromechanical and physical stability analysis of an irradiated poly(lactic-co-glycolic acid) donut-shaped minitablet device for intraocular implantation (2013-09-01)
        • Efficacy of Alginate-Coated Gold Nanoparticles Against Antibiotic-Resistant Staphylococcus and Streptococcus Pathogens Associated with Acne (2025-02-25)
        • ZnONPs/Cs/Fic/FA for overcoming multidrug-resistant infections and enhanced wound-healing (2026-09-25)
        • Bio-characterizations of some marine bacterial strains isolated from mangrove sediment samples of four major cities of Saudi Arabia (2020-09-01)
        • Silver Citrate Nanoparticles Inhibit PMA-Induced TNFα Expression via Deactivation of NF-κB Activity in Human Cancer Cell-Lines, MCF-7 (2020-01-01)
        • Nanotechnology-Enhanced Delivery and Bioactivity of Dietary Flavonoids: Overcoming Bioavailability Barriers for Targeted Antimicrobial and Antiviral Therapies-A Comprehensive Review (2026-01-01)
        • ULTRA-FAST SYNTHESIS OF CURCUMIN-LOADED SILVER NANOPARTICLES: IMPROVED PHYSICOCHEMICAL PROPERTIES FOR DRUG DELIVERY (2025-01-01)
        • Studies on synthesis and physiochemical evaluation of curcumin-loaded chitosan nanoparticles (2025-08-01)
        • Exploring nature's hidden treasure: Unraveling the untapped phytochemical and pharmacological potentials of Clinopodium vulgare L. – A hidden gem in the Lamiaceae family (2024-01-30)
        • Integrated RNA-sequencing and network analysis approach to identify the Hub genes and vital pathways associated with gastric cancer (2023-01-01)
        • A microemulsion-based gel of isotretinoin and erythromycin estolate for the management of acne (2022-05-01)
        • Nanocosmeceuticals for the management of aging: Rigors and Vigors (2021-06-01)
        • Determination of epinastine in bulk and its pharmaceutical formulations by extractive spectrophotometry (2014-10-01)

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