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Research articles

ScienceAsia 49 (2023):ID 927-933 |doi: 10.2306/scienceasia1513-1874.2023.102


The effects of cellulose particle sizes on biofilm from longkong peel


Saryrung Khumtronga, Panupong Jaibana,b,*

 
ABSTRACT:     The effects of longkong cellulose particle sizes on its biofilm were investigated. The particle sizes were divided into 355, 125, and 75 ?m. The X-ray diffraction patterns confirmed the cellulose phase with the secondary phase in some samples. The second phase did not affect biofilm preparation. The FTIR analysis suggested a strong presence of carboxyl and hydroxyl groups in carboxymethylcellulose (CMC) powder, which was synthesized from the cellulose particle size of 75 ?m. The SEM and EDS observations revealed that the cellulose particle size of 75 ?m produced a smooth surface and homogeneity of biofilm. The decrease in particle size significantly induced the highwater solubility of CMC and high reaction surface, leading to high-quality biofilm. The light absorption of all biofilms was significantly different. Herein, the result suggested that high-quality film from longkong peel could be produced using the cellulose particle size of 75 ?m, which may be an alternative bioproduct in the near future.

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a Faculty of Science, Energy and Environment, King Mongkut?s University of Technology North Bangkok, Rayong Campus, Rayong 21120 Thailand
b Research Center for Quantum Technology, Faculty of Science, Chiang Mai University, Chiang Mai 50200 Thailand

* Corresponding author, E-mail: panupongj@kmutnb.ac.th

Received 7 Mar 2022, Accepted 29 Nov 2023