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  • Shahid Minhas, Awais  (3)
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  • 1
    Online Resource
    Online Resource
    National University of Sciences and Technology ; 2021
    In:  NUST Journal of Natural Sciences Vol. 6, No. 1 ( 2021-12-15)
    In: NUST Journal of Natural Sciences, National University of Sciences and Technology, Vol. 6, No. 1 ( 2021-12-15)
    Abstract: Zinc oxide has significant importance as it has various applications in many industries due to its versatile properties which can be enhanced by production at the Nanoscale. Major applications of ZnO in material science are due to its greater refractive index value, considerable thermal conductivity, binding, biocompatibility, and anti-bacterial characteristics. Many physical and chemical Synthesis techniques are adopted but along with synthesis, these methods carry impurities that lead to a reduction of yield of pure Nanoparticles. Adoption of a sustainable route i.e. Green route for the synthesis of Nanoparticles considerably enhances the properties and effectiveness of NP’s, as it is a less hazardous method than other chemical and physical methods. Zinc oxide NPs have been successfully prepared by green synthesis using biological substrate (Fresh Punica granatum seed). Characterization techniques i.e. XRD, DRS, FTIR, UV reveals crystalline structure, Band Gap, Transmission, and absorption spectra of the sample. Miller indices values from the XRD plot are (100) (002) (101). The average grain size obtained from XRD analysis is 17nm and crystal geometry is hexagonal. Grain size ranges from 15nm to 40nm can have the best effect for antibacterial and antifungal applications. Bandgap energy shows the semiconductor range of ZnO Nanoparticles.
    Type of Medium: Online Resource
    ISSN: 2710-222X , 2072-4659
    URL: Issue
    Language: Unknown
    Publisher: National University of Sciences and Technology
    Publication Date: 2021
    Location Call Number Limitation Availability
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  • 2
    Online Resource
    Online Resource
    National University of Sciences and Technology ; 2022
    In:  NUST Journal of Natural Sciences Vol. 6, No. 2 ( 2022-02-28)
    In: NUST Journal of Natural Sciences, National University of Sciences and Technology, Vol. 6, No. 2 ( 2022-02-28)
    Abstract: Iron oxide nanoparticles are gradually being studied for many applications in the field of medicine, photonics, laser, and biophysics. In this experiment, dark synthesis is used for obtaining iron oxide nanoparticles from Punica granatum fruit peel extract. Results confirmed that all synthesized iron oxide nanoparticles have a purity and high degree of crystallinity. The size of the nanoparticles which is synthesized by this root has a high degree of crystalline structure with a crystalline size of 37.71 nm. The highest peaks angle is 33.240, and 35.710 with the interplanar spacing (hkl) at (104), and (112) respectively, and the index hkl based on ICSD no. 01-079-0007. UV–vis absorption recorded a characteristic peak at 653.9 nm for iron oxide nanoparticles. The bandgap analysis at 1.81 eV.
    Type of Medium: Online Resource
    ISSN: 2710-222X , 2072-4659
    URL: Issue
    Language: Unknown
    Publisher: National University of Sciences and Technology
    Publication Date: 2022
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
  • 3
    Online Resource
    Online Resource
    National University of Sciences and Technology ; 2021
    In:  NUST Journal of Natural Sciences Vol. 6, No. 1 ( 2021-10-30)
    In: NUST Journal of Natural Sciences, National University of Sciences and Technology, Vol. 6, No. 1 ( 2021-10-30)
    Abstract: Growing nanostructures by green synthesis is an attractive method with a lot of applications, such as antibacterial, anticancer, antifungal and water treatment, etc. Copper oxide nanoparticles have been fabricated using the extract of Aloe Barbandanum, famous with the name of Aloe vera. These nanoparticles are important due to their applications in medical sciences. Structural, optical, compositional, and morphological properties of synthesized nanoparticles were studied and reported here. The phases and crystallite size were determined using X-ray Diffraction and the UV-visb was used to find out the direct bandgap and the absorbance near the visible range. Fourier Transform Infrared Spectroscopy spectra confirmed the presence of a strong band of metal oxide near 606 cm-1. Using Scanning Electron Microscope the average grain size was obtained as small as 60 nm. These fabricated CuO NPs were tested for their possible uses against the MCF-7 cell line (breast cancer cells) and results are presented.
    Type of Medium: Online Resource
    ISSN: 2710-222X , 2072-4659
    URL: Issue
    Language: Unknown
    Publisher: National University of Sciences and Technology
    Publication Date: 2021
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
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