Mohammad Taufiq Mustaffa
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Mohammad Taufiq Mustaffa
Official Name
Mohammad Taufiq , Mustaffa
Alternative Name
Taufiq, Mustaffa Mohammad
Mustaffa, M. T.
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Scopus Author ID
55356046500

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  • Publication
    Study on the effect of atmospheric plasma processing using gas mixture on 3C-SiC
    ( 2017-03-30)
    Zulaika Abdullah
    ;
    Siti Khadijah Za'aba
    ;
    Nashrul Fazli Mohd Nasir
    ;
    Mohammad Taufiq Mustaffa
    ;
    Mayvinne Arcena
    ;
    Ammar Zakaria
    Atmospheric plasma processing are widely used for improving surfaces properties. Cubic silicon carbide (3C-SiC) is one of the material used as biosensor for their biocompatibility properties. In this work, we present the results of atmospheric plasma processing treatments using gas mixture on 3C-SiC surface. The 3C-SiC samples were treated at different duration and flow rate. Helium/Nitrogen and Argon/Nitrogen gas mixtures were used as plasma treatments and its effect on the surface was investigated. A significant increment of surface wettability were observed after plasma exposition. Investigation by surface morphological measurements was performed by using Atomic Force Microscopy (AFM) and Scanning Electron Microscopy (SEM). Contact angle measurement results showed a decreased in contact angle with increasing of treatment time and flow rate, and Argon/Nitrogen mixture promote more wettability compared to Helium/Nitrogen mixture.
  • Publication
    Microplasma effect on skin scaffold for melanoma cancer treatment
    ( 2017-03-30)
    Zulaika Abdullah
    ;
    Siti Khadijah Za'aba
    ;
    Mohammad Taufiq Mustaffa
    ;
    Che Wan Sharifah Robiah Mohamad
    ;
    Ammar Zakaria
    An atmospheric plasma system using Helium gas was developed. The effect of helium plasma treatment on skin scaffold surface was studied by scanning electron microscopy (SEM). The changes of skin scaffold surfaces before and after helium plasma treatment was recorded. The surface of skin scaffold changed with the prolonged of helium plasma treatment time. The depth of helium plasma penetration was studied using methylene blue dye staining method. The methylene blue will detect the presence or absence of an oxygen that was induced from plasma excitation. The presence of the oxygen indicated on the depth of helium plasma penetration. Results showed plasma are able to penetrate 4mm of skin scaffold after 1200 seconds of exposure.
  • Publication
    Review on prevention of bacterial adhesion on contact lens using plasma treatment
    ( 2017-03-30)
    Nur Arina Hasmimi Ramli
    ;
    Siti Khadijah Za'aba
    ;
    Mohammad Taufiq Mustaffa
    ;
    Ammar Zakaria
    ;
    Shahriman Abu Bakar
    Many researches had been conducted to enhance the properties of contact lens. Most of the research conducted discussed on the factors that affect the adhesion process to contact lenses, rate of contact lens contamination, and type of microbe that adhere on the contact lens surface and contact lens casing. Studies on the proposed strategies or technology that can be used to slower down the formation of bacteria on contact lens are being explored. New technologies or strategies to prevent or slow down the adhesion of bacteria on contact lens have become a priority in this area. This review paper covers two main aspects, namely factor that affect the bacteria adhesion on contact lens and also the introduction of plasma treatment as a potential method for contact lens treatment.
  • Publication
    Induction of Apoptosis of Melanoma Skin Cancer Cells by Atmospheric Plasma Jet
    ( 2023-01-01)
    Abdullah Z.
    ;
    Siti Khadijah Za'aba
    ;
    Mohammad Taufiq Mustaffa
    ;
    Saidin N.A.
    ;
    Johan Ariff Mohtar
    The apoptotic effect is an important issue in cancer treatment. To achieve this goal, an atmospheric plasma jet (APJ) was set up for use on cultured cells in a temperature-controlled environment. Melanoma skin cancer and normal skin cells were targeted with this device. Following a 5 s plasma exposure, there was a 67% cell death in melanoma skin cancer cells compared with 5% in normal skin cells as measured after 24 h. When the treatment time was increased to 15, a 98% cell death was reported for melanoma skin cancer cells, which was 80% greater than the cell death in normal skin cells. Our observations further indicate that this preferential cell death is largely due to apoptosis. It shows that an APJ is a selective device in the induction of apoptosis in cancer and normal cells. APJ was shown to affect cells directly and indirectly through a plasma-activated medium (PAM). In direct treatment, cells were exposed to plasma while suspended in a culture medium, and in indirect treatment, cells were added to a culture medium previously acti-vated by plasma treatment. PAM was able to induce cell death 29% higher than direct treatment as measured after 48 h. The depth of the growth medium is also one of the factors in the induction of apoptosis of cancer cells. The growth medium protected the cells from plasma exposure. The result shows that the low level (0 mm) of growth medium will cause more cell death as compared with the high level (2 mm) of growth medium. Apoptotic behavior of skin cancer cells was de-duced from the fact that treated cells initially grew and died 12 h following the treatment, while untreated cells continued to grow and proliferate.
      1  7
  • Publication
    Review on the development of plasma discharge in liquid solution
    ( 2017-03-30)
    Nur Arina Hasmimi Ramli
    ;
    Siti Khadijah Za'aba
    ;
    Mohammad Taufiq Mustaffa
    ;
    Ammar Zakaria
    ;
    Shahriman Abu Bakar
    Review papers on the basic principles and applications of plasma discharge in liquid have been reported. However, the development of plasma discharge in liquid is not widely reviewed. The aim of this paper is to review on the elements involved in developing plasma discharge in liquid. An overview will be given of the various types of existing power source, working gas, dielectric barrier, electrode material used to produce plasma, and reactive species production inside plasma discharge.
      1  15
  • Publication
    Preliminary analysis of the degradation of methylene blue by using plasma discharge in liquid
    (Universiti Malaysia Perlis, 2018-11)
    N. A. H. Ramli
    ;
    Siti Khadijah Za'aba
    ;
    Mohammad Taufiq Mustaffa
    ;
    Wan Khairunizam Wan Ahmad
    ;
    Shahriman Abu Bakar
    This article presents the results of experimental work on the identification of reactive species produced by plasma discharge in liquid. The analysis was conducted using methylene blue (MB) as chemical probe. There are two objectives, 1) to identify the effect of ground electrode configuration to the presence of reactive species and 2) to observe the ground electrode durability. Results showed that, degradation of MB occurred when using 7 kV input supply and insulated ground electrode for 10 minutes. Meanwhile, the other input supply (7.8 kV and 8.6 kV) were unable to degrade MB solution.
      4  1