Development and Optimization of an Amperometric Bi-enzyme Biosensor for Aspartame Determination
Tanaporn Tangtawewipat and Saipin Thanachasai* Author for corresponding; e-mail address: fagispt@ku.ac.th
Volume: Vol.50 No.6 (November 2023)
Research Article
DOI: https://doi.org/10.12982/CMJS.2023.064
Received: 15 Febuary 2023, Revised: 14 June 2023, Accepted: 18 July 2023, Published: -
Citation: Tangtawewipat T. and Thanachasai S., Development and optimization of an amperometric bi-enzyme biosensor for aspartame determination. Chiang Mai Journal of Science, 2023; 50(6): e2023064. DOI 10.12982/CMJS.2023.064.
Abstract
An amperometric bi-enzyme biosensor based on α-chymotrypsin (CHY) and alcohol oxidase (AOX) was developed for detection of aspartame in a flow injection analysis (FIA) system. The CHY and AOX were separately immobilized on bead supports using an adsorption technique. The cleavage of aspartame was catalyzed by CHY to produce methanol that was converted by AOX to formaldehyde and hydrogen peroxide. The formed hydrogen peroxide was detected amperometrically at a platinum electrode. The biosensor performance was optimized with respect to enzyme immobilization and operating conditions. The most suitable conditions for enzyme immobilization were 250 U/mL CHY and 100 U/mL AOX with 60 min immobilization time. The optimal conditions for operating the developed aspartame biosensor were a flow rate of 0.5 mL/min and pH 8.0 at an applied potential of +0.70 V versus Ag/AgCl. Under the optimal conditions, the developed biosensor showed a linear response over the aspartame concentration range 0.15–1.0 mM (coefficient of determination (R2) = 0.9941) with a sensitivity of 5.52 μA/mM·cm2 and a detection limit of 0.10 mM. The developed biosensor was successfully applied in the determination of aspartame in commercial samples.
Related Articles
DOI: 10.12982/CMJS.2025.075.
Yan-Min Chen, Zhen-Zhen Chen, Bei-Bei Qi, Ye-Xuan Cai, Jia-Meng Li and Yi-Fan Han
Vol.52 No.5 (September 2025)Research Article View: 1,325 Download: 112
DOI: 10.12982/CMJS.2025.034.
Mustafa Jaip Allah Abdelmageed Abualreish
Vol.52 No.3 (May 2025)Research Article View: 563 Download: 256
DOI: 10.12982/CMJS.2025.033.
Anurag Sunpapao, Supaporn Pithakkit and Prisana Wonglom
Vol.52 No.3 (May 2025)Research Article View: 942 Download: 343
DOI: 10.12982/CMJS.2025.005.
Susy Yunita Prabawati, Nina Hamidah and Afifah Mufidati
Vol.52 No.1 (January 2025)Research Article View: 907 Download: 374
DOI: 10.12982/CMJS.2024.027.
Jiraporn Paoaiang, Prukraya Pongyeela, Nirana Chairerk and Juntima Chungsiriporn
Vol.51 No.2 (March 2024)Research Article View: 1,690 Download: 1,732
DOI: 10.12982/CMJS.2024.010.
Parnuch Hongsawat, Phuri Kalnaowakul and Panida Prarat
Vol.51 No.1 (January 2024)Research Article View: 1,838 Download: 636
DOI: 10.12982/CMJS.2023.009.
Kanokwan Darasoon, Supawitch Hoijang, Tanapong Kunakham, Sorapong Janhom, Supon Ananta, Gyu Leem and Laongnuan Srisombat
Vol.50 No.1 (January 2023)Research Article View: 1,754 Download: 1,200
DOI: 10.12982/CMJS.2022.108.
Mauizatul Hasanah, Alfan Wijaya, Risfidian Mohadi, Fitri Suryani Arsyad and Aldes Lesbani
Vol.49 No.6 (November 2022)Research Article View: 1,784 Download: 450
DOI: 10.12982/CMJS.2022.104.
Yingxin Zhao, Hao Hu, Shengyu Zhang, Shiya Feng, Yun Yang, Xiongjian Li and Shuijin Yang
Vol.49 No.6 (November 2022)Research Article View: 1,737 Download: 486
DOI: 10.12982/CMJS.2022.100.
Theeradit Phothitontimongkol and Kanyarak Prasertboonyai
Vol.49 No.6 (November 2022)Research Article View: 1,648 Download: 536
DOI: 10.12982/CMJS.2022.093.
Anan O-Manee, Youichi Enokida and Kayo Sawada
Vol.49 No.5 (September 2022)Research Article View: 1,748 Download: 641
DOI: 10.12982/CMJS.2022.063.
Palita Pornchaiwannachat and Saipin Thanachasai
Vol.49 No.4 (July 2022)Research Article View: 1,708 Download: 663
DOI: 10.12982/CMJS.2022.062.
Naphatsarnan Phasukarratchai, Budsarin Yattipat, Parichat Muengkrajang, Sasishai Permpoon and Alissara Reungsang
Vol.49 No.4 (July 2022)Research Article View: 2,000 Download: 1,304
page: 1606 - 1619
Paphawarin Kheownil, Parameat Seesopha, Sawitree Chuaychoocherd, Panichakorn Jaiyong and Yuthana Tantirungrotechai
Vol.48 No.6 (November 2021)Research Article View: 1,688 Download: 943
page: 1645 - 1656
Xuefeng Wang, Hongyan Zhang,Cunbao Deng, Ling Qiao and Shuangli Du
Vol.48 No.6 (November 2021)Research Article View: 1,663 Download: 490
page: 1538 - 1554
Suhua Han, Qiannan Cao, Dongxu Qian, Ye Yang and Minbo Lu
Vol.48 No.6 (November 2021)Research Article View: 1,657 Download: 328
page: 545 - 556
Luna Silaen, Neza Rahayu Palapa, Elfita, Risfidian Mohadi and Aldes Lesbani
Vol.48 No.2 (March 2021)Research Article View: 1,586 Download: 387
page: 520 - 532
Huan Wang*, Wei Zhao, Youning Chen, Xiaoling Yang and Xiaohua Meng
Vol.48 No.2 (March 2021)Research Article View: 1,401 Download: 353
page: 1055 - 1067
Wei Zhao, Youning Chen and Yuhong Li
Vol.47 No.5 (September 2020)Research Article View: 1,526 Download: 420
page: 554 - 566
Anitha Devasahayam, Ramadevi Abbai Ramanujam and Seetharaman Ramasamy
Vol.47 No.3 (May 2020)Research Article View: 1,757 Download: 636
page: 137 - 146
Supawitch Hoijang, Jeeranan Nonkumwong, Burapol Singhana, Sunanta Wangkarn, Supon Ananta and Laongnuan Srisombat
Vol.47 No.1 (January 2020)Research Article View: 1,645 Download: 485
page: 127 - 136
Anitha Devasahayam, Ramadevi Abbai Ramanujam and Seetharaman Ramasamy
Vol.47 No.1 (January 2020)Research Article View: 1,594 Download: 1,595
page: 2220 - 2231
Asadullah, Lupong Kaewsichan and Kanogwan Tohdee
Vol.45 No.5 (Special 2018)Research Article View: 1,580 Download: 605
page: 1486 - 1498
Wenpeng Gong, Xiaogang Du, Xiaoxia Liu, Xiaofen Ke and Shuijin Yang*
Vol.45 No.3 (May 2018)Research Article View: 1,671 Download: 371
page: 1471 - 1485
Muhammad Hamayun*, Sonia Sherazi, Shah Zareen, Abdul Naeem, Muhammad Saeed, Khizar Hussain Shah, Ataf Ali Altaf, Shahzad Murtaza and Muhammad Zubair
Vol.45 No.3 (May 2018)Research Article View: 1,573 Download: 412
page: 1039 - 1051
Duraipandian Jayganesh, Rengasamy Tamilarasan*, Muthiyan Kumar, Mani Murugavelu and Vadivelu Sivakumar
Vol.45 No.2 (March 2018)Research Article View: 1,593 Download: 337
page: 1601 - 1610
Yao Zhao*, Chen Zhao, Kelly Hill and Xun Qian Xu
Vol.44 No.4 (October 2017)Research Article View: 1,548 Download: 310
page: 1028 - 1039
Adekola F.A.*, Orimolade B.O.** and Adebayo G.B.
Vol.44 No.3 (July 2017)Research Article View: 1,606 Download: 403
page: 508 - 517
Muhammad Abbas Ahmad Zaini* [a,b] and Noor Yuhana Jusoh [b]
Vol.44 No.2 (April 2017)Research Article View: 1,525 Download: 266
page: 591 - 599
Suwichak Phutthapatimok [a,b], Pattaraporn Sridechparsat [a,b], Pramoch Rangsunvigit* [a,b] and Santi Kulprathipanja [c]
Vol.43 No.3 (APRIL 2016)Research Article View: 1,556 Download: 338
page: 183 - 194
Arumugam Basker[a]*, Syed shabudeen[b], Appavoo Ponnuraju Shekhar[c] and Savarimuthu Daniel[b]
Vol.43 No.1 (JANUARY 2016)Research Article View: 1,530 Download: 281
page: 1230 - 1240
Morteza Bahram, Robabeh Talebi, Abdolhossein Naseri* , Sirous Nouri
Vol.41 No.5/2 (OCTOBER 2014)Research Article View: 1,466 Download: 523
page: 1262 - 1273
Jeatana Wongwichien [a], Suwimol Asavapisit [a] and Kwannate Sombatsompop* [b]
Vol.41 No.5/2 (OCTOBER 2014)Research Article View: 1,443 Download: 275
page: 56 - 62
Achanai Buasri, Phetcharat Yongbut, Nattawut Chaiyut and Kittiya Phattarasirichot
Vol.35 No.1 (JANUARY 2008)Research Article View: 1,512 Download: 340