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Sains Malaysiana 53(8)(2024): 1811-1818
http://doi.org/10.17576/jsm-2024-5308-07
Rawatan Plasma Nitrogen Suhu Bilik untuk Peningkatan
Fungsi Penyembuhan Pembalut Luka
(Room
Temperature Nitrogen Plasma Treatment for Advanced Wound Healing Functionality)
ANIN SOFYA MOHD AKHIRI1,
LUQMAN HAKIMI ABDUL AZIZ1, AINUL HAFIZA ABD HAIR2, SARANI ZAKARIA1
1Jabatan Fizik
Gunaan, Fakulti Sains dan Teknologi, Universiti Kebangsaan
Malaysia, 43600 UKM Bangi, Selangor, Malaysia
2Centre of Foundation Studies,
Universiti Teknologi MARA, Cawangan Selangor, Kampus Dengkil, 43600 Dengkil,
Selangor, Malaysia
Diserahkan: 27
Mei 2024/Diterima: 26 Jun 2024
Abstrak
Pembalut luka
kain kasa digunakan dalam pengurusan luka didapati tidak mampu mengekalkan
persekitaran yang optimum untuk penyembuhan luka. Untuk mengatasi isu ini,
rawatan plasma nitrogen tanpa terma telah dikenakan ke atas pembalut luka kain
kasa menggunakan sistem pemendapan wap kimia secara peningkatan plasma
berfrekuensi radio (RF-PECVD). Penyelidikan ini mengkaji kesan kuasa frekuensi
radio (RF) yang berbeza (50, 60, 70, 80 dan 90 W) semasa rawatan plasma untuk
mengenal pasti kuasa RF yang optimum dalam meningkatkan fungsi kain kasa
sebagai pembalut luka yang ditentukan oleh sifat permukaan fabrik tersebut.
Mikroskop elektron pengimbasan pancaran medan (FESEM) dan spektroskopi
transformasi Fourier inframerah (FTIR) masing-masing telah digunakan untuk mengkaji
morfologi dan ikatan kimia sampel tanpa rawatan dan sampel dengan rawatan
plasma nitrogen. Imej daripada FESEM menunjukkan struktur gentian kain beralur
dengan rekahan mikro pada semua permukaan sampel yang dirawat. Rekahan mikro
yang paling ketara diperhatikan pada sampel yang dirawat dengan kuasa RF 50 W,
60 W dan 70 W. Spektrum FTIR menunjukkan terdapat peningkatan keamatan kumpulan
berfungsi O-H dan C-O untuk sampel dengan rawatan plasma berbanding tanpa
rawatan. Sampel yang dirawat dengan RF 70 W mempunyai kumpulan berfungsi C-N
dan N-H dengan keamatan tertinggi. Kumpulan berfungsi tersebut berupaya
menyumbang kepada peningkatan potensi kelekatan sel, kebolehbasahan dan
biokeserasian fabrik. Kajian ini menunjukkan bahawa kesan kuasa RF semasa rawatan
plasma nitrogen mampu mengubah suai sifat permukaan kain kasa seterusnya
berpotensi meningkatkan fungsi fabrik tersebut sebagai pembalut luka.
Kata
kunci: Kain kasa; kuasa RF; PECVD; penyahjerapan ion; punaran plasma
Abstract
Cotton gauze wound dressings used
in wound management have been found incapable of maintaining an optimal
environment for wound healing. To address this issue, non-thermal nitrogen
plasma treatment was applied to gauze wound dressings using a radio frequency
plasma enhanced chemical vapor deposition (RF-PECVD) system. This research
investigates the effects of different radio frequency (RF) power levels (50,
60, 70, 80, and 90 W) during plasma treatment to identify the optimal RF power
for enhancing the functionality of gauze as wound dressings, as determined by
the fabric’s surface properties. Field emission scanning electron microscopy
(FESEM) and Fourier transform infrared spectroscopy (FTIR) were used to study
the morphology and chemical bonds of untreated and nitrogen plasma-treated
samples, respectively. The FESEM images showed a grooved fiber structure with
micro-cracks on all treated surfaces. The most pronounced micro-cracks were
observed on samples treated with RF power levels of 50 W, 60 W, and 70 W. The
FTIR spectra indicated an increase in the intensity of O-H and C-O functional
groups in plasma-treated samples compared to untreated ones. Sample treated at
70 W RF power exhibited the highest intensity of C-N and N-H functional groups.
These functional groups contribute to increased cell adhesion potential,
wettability, and biocompatibility of the fabric. This study demonstrates that
the effect of RF power during nitrogen plasma treatment can modify the surface
properties of gauze, potentially increasing its function as wound dressing.
Keywords:
Cotton gauze; ion desorption; PECVD; plasma etching; RF power
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*Pengarang untuk surat-menyurat; email: rozida@ukm.edu.my
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