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All Journal Jurnal Sains Materi Indonesia EduChemia: Jurnal Kimia dan Pendidikan Indonesian Journal of Chemistry EKOLOGIA : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Makara Journal of Science Environmental and Materials International Journal of Renewable Energy Development
Ivandini Tribidasari Anggraningrum
Departement Of Chemistry, Faculty Of Mathematics And Natural Sciences, Indonesia University, Depok, Indonesia.
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Materials Science & Nanotechnology Mathematics Physics

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Journal : Makara Journal of Science

 1 
Copper-nickel-modified Boron-doped Diamond Electrode for CO2 Electrochemical Reduction Application: A Preliminary Study Jiwanti, Prastika Krisma; Aritonang, Rani Puspitasari; Abdullah, Imam; Einaga, Yasuaki; Ivandini, Tribidasari Anggraningrum
Makara Journal of Science Vol. 23, No. 4
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CO2 electrochemical reduction (CO2ER) activity is known to be influenced by electrode materials. In this study, we report the fabrication of a copper-nickel-modified boron-doped diamond (CuNi-BDD) electrode using wet chemical seeding and electrodeposition. Annealing was performed to improve the stability of the modified electrode during elec-trolysis. Characterization of the modified BDD electrodes shows successful deposition without damage to the surface of the BDD support material. CO2ER was conducted with the CuNi-BDD electrode, which produces various important products including methanol, formic acid, CO, and CH4. Additionally, a different applied potential affected the product distribution. CO2ER was also conducted on the surfaces of Cu-BDD and Ni-BDD electrodes for comparison.
Hemoglobin-Modified Core–Shell Fe3O4@Au Nanostructures for the Electrochemical Detection of Acrylamide Saepudin, Endang; Yuliani, Tri; Nasution, Mochammad Arfin Fardiansyah; Khalil, Munawar; Hong, Jong Wook; Ivandini, Tribidasari Anggraningrum
Makara Journal of Science Vol. 25, No. 3
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In this study, electrochemical detection of acrylamide using hemoglobin (Hb)-modified core–shell Fe3O4@Au nanostructures was conducted. Fe3O4 nanoparticles (~4.9 nm) and core–shell Fe3O4@Au (5.0–6.4 nm) nanostructures were successfully synthesized by the thermal decomposition method. Electrochemical investigation revealed that the optimum amount of Hb of 2 mg/mL could be immobilized in 0.1 M acetate buffer solution (pH = 6). Moreover, the detection of acrylamide using Fe3O4@Au/Hb was evaluated by the cyclic voltammetry technique. A linear calibration curve (R2 = 0.98) in the concentration range of 0.1 to 1.0 µM could be achieved with an estimated limit of detection, limit of quantification, and sensitivity of 0.136 µM, 0.453 µM, and 0.4411 µA/µM, respectively. Furthermore, the developed biosensor exhibited high selectivity in the presence of ascorbic acid, melamine, and caffeine. The developed biosensor was applied to the detection of acrylamide in coffee samples and validated using the standard high-performance liquid chromatography (HPLC) method. The concentration of acrylamide in coffee samples was determined to be 37.450 and 35.377 ppm using electrochemical measurement and HPLC, respectively.
Modification of Gold Nanoparticles at Carbon Electrodes and the Applications for Arsenic (III) Detections Ivandini, Tribidasari Anggraningrum; Wijaya, Lany; Gunlazuardi, Jarnuzi
Makara Journal of Science Vol. 16, No. 1
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THE DEVELOPMENT OF BIOCHEMICAL OXYGEN DEMAND SENSOR USING LOCAL YEAST: Candida fukuyamaensis, UICC Y-247 Anggraningrum, Ivandini Tribidasari; Zulfia, Fenny Triana; Saepudin, Endang
Makara Journal of Science Vol. 15, No. 1
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In order to shorten the measurement time of biochemical oxygen demand (BOD), a BOD sensor based on yeast metabolism was developed. Local yeast, Indonesian Origin, Candida fukuyamaensis UICC Y-247, was used as a transducer. The yeast was immobilized as a thin film in agarose matrix with the auxiliary of Nafion® acting as the membrane for ion exchange process. The film was then attached to gold-modified glassy carbons and used as transducer on the working electrodes. The measurements were conducted by observing the depletion of glucose concentration using multipulse amperometric method and then converted to BOD values. Optimum condition was observed in a waiting measurement time of 30 min at an applied potential of 450 mV (vs. Ag/AgCl). Linearity was shown in glucose concentration range of 0.1–0.5 mM, which was equivalent to BOD concentration range of 10–50 mg/L. A detection limit of 1.13 mg/L BOD could be achieved. Good repeatability was shown by a relative standard deviation (RSD) of 2.7% (n = 15). However, decreasing current response of ~50% was found after 3 days. Comparing to the conventional BOD measurement, this BOD sensor can be used as an alternative method for BOD measurements.
SYNTHESIS OF Na-Y NANOZEOLITE ON GLASSY CARBON BY SEEDING METHOD Krisnandi, Yuni K; Anggraningrum, Ivandini T; Tovina, Hany
Makara Journal of Science Vol. 15, No. 1
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Preparation of β-Ni (OH)2 Nanosheet–Modified Glassy Carbon for Pseudocapacitors Putra, Muhammad Buchari Setia; Aliyah, Aliyah; Sanjaya, Afiten Rahmin; Pramadewandaru, Respati Kevin; Chung, Hoeil; Ivandini, Tribidasari Anggraningrum
Makara Journal of Science Vol. 28, No. 2
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β-Nickel hydroxide (Ni(OH)2) nanosheet–modified glassy carbon for pseudocapacitors was successfully prepared. The nanosheets were synthesized via a conventional growth seeding method combined with hydrothermal treatment. Transmission electron microscopy (TEM) characterization indicated the hexagonal structure of the nanosheets of around 15 nm in size, and X-ray diffraction (XRD) pattern confirmed the β-phase lattice crystal. These nanosheets used to modify the glassy carbon surface, increased the electroactive surface area by around 15 times. Furthermore, electrochemical investigation of the modified glassy carbon revealed an excellent performance and a specific capacitance of 628.01 F g−1 at a 1 A g−1 current density. Moreover, an outstanding stability was demonstrated, with 89.9% retention of the capacitance observed after 3000 cycles at a 1 A g−1 current density.
Co-Authors Abdullah, Imam Adji, Rahmat Setya Afiten Rahmin Sanjaya Afiten Rahmin Sanjaya Aliyah Aliyah Aliyah, Aliyah Aminah Aminah Aritonang, Rani Puspitasari Assaat, Lusiani Dewi Chung, Hoeil Eddy Heraldy Einaga, Yasuaki ENDANG SAEPUDIN Endang Saepudin, Endang Fajriah, Sofa Fenny Triana Zulfia Fitria Rahmawati Hani, Adinda Muthia Hanny Tovina Hany Tovina Harits Atika Ariyanta Hong, Jong Wook Irkham Irkham Isnaini Rahmawati Jarnuzi Gunlazuardi Jarnuzi Gunlazuardi Jenny Ariani Khoirina Dwi Nugrahaningtyas Krisnandi, Yuni K Lany Wijaya Linda Jati Kusumawardani Munawar Khalil Nahda, Dinda Prastika Nabila Nasution, Mochammad Arfin Fardiansyah Noverra Mardhatillah Nizardo Nur Aini Nurcahyo, I. F. Nurhidayat , Reza Rizqi Paramartha, I Gusti Ayu Filia Pramadewandaru, Respati Kevin Prastika Krisma Jiwanti Putra, Muhammad Buchari Setia Putri, Denis Octareta Amelia Raharto, Toto Rahmat Wibowo Rahmat Wibowo RAHMAT WIBOWO Retno Damayanti Soejoedono Reza Rizqi Nurhidayat Rida Hasna Fadhilah Ridwan, Qanita Saepudin, Endang Sanjaya, Afiten Rahmin Saputri, Dini Deviana Setiyanto, Cahya Mukti Tovina, Hany Tri Yuliani, Tri Wijaya, Lany Yasuaki Einaga Yasuaki Einaga Yasuaki Einaga Yasuaki Einaga Yoki Yulizar Yuni K. Krisnandi Yuni K. Krisnandi Yuniawan Hidayat Zulfia, Fenny Triana