Claim Missing Document
Check
Articles

Found 1 Documents
Search
Journal : Makara Journal of Science

Highly Sensitive Phenol Biosensor Utilizing Selected Bacillus Biofilm Through an Electrochemical Method Ariyanti, Dita; Iswantini, Dyah; Sugita, Purwantiningsih; Nurhidayat, Novik; Effendi, Hefni; Ghozali, Ali Aulia; Kurniawan, Yehezkiel Steven
Makara Journal of Science Vol. 24, No. 1
Publisher : UI Scholars Hub

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

An eco-friendly phenol biosensor from Bacillus biofilm was prepared and investigated. The biofilm, which produced tyrosinase enzyme, was successfully immobilized on a screen-printed carbon electrode surface. A total of 72 Bacillus isolates were utilized because of their capability to produce tyrosinase enzyme in tyrosine media. Among them, Bacillus isolate code 100 was selected because it produced an adequate amount of tyrosinase enzyme and a high potentiostat current. The response surface methodology was also used to optimize the phenol sensing condition through an electrochemical method. Results showed that the optimum condition was achieved after 6 days on a phosphate buffer solution (pH of 8), with an optical density of 0.33. Furthermore, the limits of detection and quantification were 3.0 and 13 ng/L, respectively. The measurements of precision yielded a relative standard deviation of < 5%, which is remarkable. Although the biosensor material was used for 35 days, the current throughout was still maintained at 90%, indicating that the evaluated biosensor material has the potential to be used for phenol monitoring on environmental samples in the near future.
Co-Authors , Triadiati . TRIVADILA Adayani Nurjayanti Adelia, Nesha Adi Riyadhi Adiarso Afifi, Muhammad Ridho Agus Kartono Agus Sudiman Tjokrowardojo, Agus Sudiman Ahmad Sjahriza Ahmad, Shahrul Nizam Ai Susanti Akhiruddin Maddu Akmalina, Rifkah Alfiona, Della Ali Aulia Ghozali Ali Aulia Ghozali Alif, Alfiah Amalyah Febryanti Amalyah Febryanti Ana Fitriyani Anas Miftah Fauzi Anggia Murni Aninda, Yunita Anja Meryandini Bagaskoro Tuwalaid Budi Riza Putra Charlena Deden Saprudin Dewi Sondari Diah Ratnadewi Dian Siska RF Dinda Iryawati Dita Ariyanti DJUMALI MANGUNWIDJAJA Djumali Mangunwidjaja Dwiastuti, Rahma Eka Mardiah ELIZABETH MARTATILOFA Eti Rohaeti Euis Filaila Evul Winoto Evul Winoto Fadillah, Wendi Nurul Firdaus, Ridwan Fitriani Indahsari Franco, Christopher MM Fretty Yurike Fyrda Shellia Ghozali, Ali Aulia Hafshah, Nurul Haki, Horiana hanifah hanifah Harry Noviardi Hasim - Hefni Effendi Henny Purwaningsih Ida Ayu Putu Sri Widnyani Irmanida Batubara Ismet, Rhahmasari Johnson N Naat Joni Prasetyo, Joni Jovianto, Andrian Karnadi Komar Sutriah Kurniawan, Yehezkiel Steven latifah K Darusman Latifah K Darusman Latifah K. Darusman LATIFAH KOSIM DARUSMAN LATIFAH KOSIM DARUSMAN Lawa, Yosep Lenni Fitri Lenni Fitri Lestarani, Dewi M. Rafi Mahat, Mohd Muzamir Mardiana, Eni Mashuri Waite Maulidiyah Utami Muammar Yulian Nampiah Sukarno Neolaka, Yantus A B Nisa, Ulfiatun NONI NIRWANA Noor Roufiq Ahmadi Novia Rahma NOVIK NOVIK Novik Nurhidayat Novik Nurhidayat Novik Nurhidayat Novik Nurhidayat Novik Nurhidayat Novik Nurhidayat Novik Nurhidayat Novriyandi Hanif Nurdiani Nurdiani Ono Suparno Pius P. KETAREN Purbowatiningrum Ria Sarjono Purwantiningsih Sugita Putra, Sukma Triperdana Rahminiwati, Min Rani, Ismarani RESSY RIANDCI RHOITO FROISTA SILITONGA Rosihan Rosman Rosihan Rosman Rudi Heryanto Rut Novalia Rahmawati Sianipar Sagala, Zuraida Sandra Arifin Aziz Selvitia Ulandari Setyanto Tri Wahyudi Sianipar, Rut Novalia Rahmawati Sri Mulijani Subaryanti Subaryanti Subaryanti Subaryanti Subaryanti Sulitijorini, Sulitijorini SUMINAR SETIATI ACHMADI Taopik Ridwan Tatik Khusniati TRESNAWATI PURWADARIA Tuti Hayati Ramdhani Umi Cahyaningsih Upik Kesumawati Hadi UTUT WIDYASTUTI Waite, Mashuri Wasmen Manalu Wei Zhang Wendi Nurul Fadillah Wiwin Winarsih Wulan Tri Wahyuni YANTYATI WIDYASTUTI Yohana C. Sulistyaningsih Yohana Caecilia Sulistyaningsih Yulia Yellita YULIN LESTARI Zulti, Fifia