31 Result(s)
within
Saira Riaz
Nanotechnology
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Article
Adopting the sol–gel auto-combustion approach to synthesize the La3+ substituted hexagonal ferrites suitable for permanent magnets and high-frequency applications
In a recent study, La+3 substituted T-type hexagonal ferrites \(Sr_{2 - x}La_xFe_8O_{14}\) ...
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Article
On the optical tuning of the threshold voltage for DPPDTT-based organic field effect transistors
Understanding the threshold voltage tuning in photosensitive organic field effect transistors (OFETs) is crucial for many device applications like depletion-load unipolar inverters for logic circuits. Here, we...
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Solar energy driven photo catalytic action and antimicrobial activities of Iron oxide nanoparticles
Every year loss of crop yield (at least 20–40%) occurs by pathogenic infections that leads to loss of billions of dollars worldwide. Usage of antibiotics are limited in numerous countries for controlling bacte...
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Correction to: Study of vanadium oxide nanoparticles for optical and biomedical applications
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Effect of microwave irradiations on exchange bias and spin reorientation in cr doped iron oxide thin films – Sol-Gel approach
Microwave-assisted sol-gel method has proven to be a better alternate to conventional chemical approaches. In the present research work, chromium (Cr) doped thin films of iron oxide are prepared by modified so...
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Study of vanadium oxide nanoparticles for optical and biomedical applications
Hydrothermal method is a cost-effective and reproducible technique for synthesizing nanoparticles. The vanadium oxide nanoparticles were successfully prepared using hydrothermal method. The phase stability of ...
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Free radical scavenging and antimicrobial activities of MW assisted sol-gel synthesized honey mediated zirconia
Demand of zirconia based bone implant substitutes is increasing day after day as it creates a pathogen free environment along with healing and osseointegration. A big problem associated with zirconia is its st...
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Carbon ion irradiation effects on surface modifications and field emission properties of molybdenum
The effects of the carbon (C) ions irradiation on the compositional, structural, morphological and field emission (FE) properties of molybdenum (Mo) have been reported in this paper. The Mo samples were expose...
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Open AccessSustainable synthesis of microwave-assisted IONPs using Spinacia oleracea L. for control of fungal wilt by modulating the defense system in tomato plants
Changing climate enhances the survival of pests and pathogens, which eventually affects crop yield and reduces its economic value. Novel approaches should be employed to ensure sustainable food security. Nano-...
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Article
Effect of pH on phenolphthalein immobilized gold nanoparticles/nanostructures for pH sensing evaluations: sol–gel method
Sol–gel-based phenolphthalein immobilized AuNPs (phph-AuNPs) of different shapes such as spherical, dendrites, and flower are observed by varying pHs 1–12. pH 1 induced the Au cages, and pH 2–6 revealed the di...
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Article
Thermally stable and fast responsive mesoporous cresol red functionalized silica and titania nanomatrices: fiber optic pH sensors
Owing to the fast responsive fiber optic pH sensing, silica nanomatrix (SNM) and titania nanomatrix (TNM) are synthesized by the sol–gel method at low temperatures. Cresol red (CR) is immobilized within SNM an...
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Biodistribution of iron-oxide-stabilized 99mTc- ZrO2 nanoparticles in rabbit using honey as a cap** agent—microwave-assisted sol–gel approach
One of the major biomedical problems facing worldwide is the diagnosis and treatment of tumor. This disease may lead to severe incidence with increased mortality rates. Therefore, it is the need of present era...
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Fast responsive thermally stable silica microspheres for sensing evaluation: sol–gel approach
Cetyltrimethylammonium bromide (CTAB) micelle-templated mesoporous SiO2 particles (MSPs) are synthesized by sol–gel method. The CTAB templated SiO2 particles (SPs) possessed spherical structure with low average s...
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Microwave assisted tuning of optical and magnetic properties of zinc oxide nanorods—efficient antibacterial and photocatalytic agent
Microwave radiations play an important role in chemical reactions for reducing overall time and cost. The method has many advantages over conventional heating methods like phase purity, high crystallinity, enh...
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Article
Dielectric and magnetic properties of dilute magnetic semiconductors Ag-doped ZnO thin films
Ag-doped ZnO thin films are prepared by the cost-effective sol–gel dip-coating method at room temperature. The Ag dopant percentage varies between (2–10) wt%. The magnetic and dielectric properties have been s...
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Role of Mn in biological, optical, and magnetic properties ZnO nano-particles
The properties of manganese-doped ZnO nano-particles fabricated by the sol-gel method were studied. The concentration of Mn in the ZnO was 1–4% w/w. The X-ray diffraction (XRD) confirmed wurtzite phase of ZnO....
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In vivo anti-proliferative activity of silver nanoparticles against Pseudomonas aeruginosa in freshwater Labeo rohita
Nanotechnology-based strategies can be useful tools to combat the alarming challenge of antibacterial resistance. Nanoparticles can be used as alternatives or supplementary in enhancing the effectiveness of th...
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Article
Investigation of structural, optical and magnetic characteristics of Co3O4 thin films
Nano-structured Co3O4 thin film are synthesized by dip coating and their structural, surface, optical and magnetic properties have been studied. The X-ray diffraction of film shows that the crystalline Co3O4 has ...
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Honey mediated microwave assisted sol–gel synthesis of stabilized zirconia nanofibers
Aim of the present work is to prepare zirconia nanofibers using microwave assisted sol–gel method. Both honey and microwave powers are employed as structure directing agents to improve the stability and reduce...
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Article
Effect of Cu do** on the structural, magnetic and optical properties of ZnO thin films
Cu-doped zinc oxide thin films are dip coated on glass substrates. Zinc acetate and copper acetate are used as metal precursors to synthesize sol. XRD scanning discloses that all films have the hexagonal wurtz...
