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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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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
Publisher : UI Scholars Hub

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Abstract

Preparation of boron-doped diamond microelectrodes to determine the distribution size of platinum nanoparticles using current transient method Aliyah; Nurhidayat , Reza Rizqi; Afiten Rahmin Sanjaya; Rahmat Wibowo; Einaga, Yasuaki; Saepudin, Endang; Ivandini, Tribidasari Anggraningrum
Environmental and Materials Vol. 1 No. 1: (June) 2023
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/eam.v1i1.2023.117

Abstract

Boron-doped diamond (BDD) microelectrodes were prepared to investigate the correlation of hydrazine oxidation current responses with Pt nanoparticle (Pt NP) size distribution. The BDD film was grown on the surface of a tungsten needle with a diameter of 25 µm. An average particle size of around 5 µm BDD crystalline was successfully synthesized using a microwave plasma-assisted chemical vapor deposition technique. The Raman spectrum confirmed the presence of diamond formation as indicated by peaks corresponding to C-C sp3 bonds, while X-ray photoelectron spectroscopy spectrum showed the presence of C-H and C-OH bonds on the surface of the BDD microelectrode. Meanwhile the Pt nanoparticles was synthesized through reduction reaction of  PtCl62- solution using NaBH4 with citric acid as the capping agent. Particles size between 4.46 to 4.78 nm were observed by using TEM measurements. The BDD microelectrodes were utilized to investigate the relationship between Pt nanoparticle size distribution and the current generated from the oxidation reaction of 15 mM hydrazine in a 50 mM phosphate buffer solution pH 7.4 in the presence of 1.0 mL nanoparticle solutions. A current range of 5 and 6 nA with a noise level of 0.15 nA was observed showing a good correlation with the particle sizes of Pt NPs. Comparison was also performed with the measurements using Au microelectrodes, indicated that the prepared BDD microelectrodes is promising for the measurements of nanoparticle sizes distribution, especially Pt NPs.
Synthesis of gold nanoparticles with allicin to modify boron-doped diamond surface for oxygen sensor applications Raharto, Toto; Setiyanto, Cahya Mukti; Ariyanta, Harits Atika; Nahda, Dinda Prastika Nabila; Hani, Adinda Muthia; Yulizar, Yoki; Ivandini, Tribidasari Anggraningrum; Einaga, Yasuaki
Environmental and Materials Vol. 1 No. 2: (December) 2023
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/eam.v1i2.2023.560

Abstract

Modification of surface of boron-doped diamond (BDD) film with gold nanoparticles (AuNPs) was carried out to increase its catalytic activity for an application as an oxygen sensor. Allicin was isolated from garlic by salting out extraction technique, and then used as the capping agent to synthesize AuNPs as it has a double bond structure that could be reacted to attach the BDD surface under UV light radiation. An average size of AuNPs at around 46,00 ± 9,06 nm was obtained, while the modification of the BDD surface by the synthesized AuNPs indicated that the surface of BDD could be covered by gold at around 0.6 % (w/w). Investigation of the AuNPs-modified BDD as a working electrode for the oxygen reduction by using cyclic voltammograms in 0.1 M phosphate buffer solution pH 7 observed a current peak at around -0.45 V (vs. Ag/AgCl). The current of this peak linearly increased proportionally to the dissolved oxygen concentrations (R2=0.9986). Moreover, a limit of detection of the dissolved oxygen of 0.12 ppm and limit of quantity 0.41 ppm could be achieved with excellent stability at 6.86% RSD with 6 repetitions and sensitivity at 19.086 μA/ppm indicated that the modified BDD is promising for applications as an oxygen sensor.
Nuclear Magnetic Resonance (NMR) as A Method of Characterizing Antigen Synthesis for Successful Antibody Production Assaat, Lusiani Dewi; Saepudin, Endang; Soejoedono, Retno Damayanti; Adji, Rahmat Setya; Fajriah, Sofa; Ivandini, Tribidasari Anggraningrum
EduChemia: Jurnal Kimia dan Pendidikan Vol 8, No 1 (2023)
Publisher : Department of Chemical Education Faculty of Teacher Training and Education Universitas Su

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/educhemia.v8i1.15572

Abstract

Antibody production is becoming a trend, especially during a pandemic like now, although there have been many developments in antibody production in previous research. Antigen synthesis and characterization is one of the determining factors for the success of antibody production. This research developed a method of antigen characterization using the Nuclear Magnetic Resonance (NMR) method. The research conducted in these 4 stages begins with antigen synthesis, then continues with antigen characterization using NMR, then antibody production, and the last stage is antibody characterization using the Enzyme Linked ImmunoAssay (ELISA) method. The results of antigen characterization using NMR show that NAS has been perfectly conjugated with BSA and produces a NAS-BSA conjugate. This is shown by the presence of 1 methylene (CH2) olefinic at δH chemical shift of 6.27 ppm with an integral of 4 and having 1 piece of methine (CH) sp2 at δH chemical shift of 5.73 ppm with an integral of 2. NAS-BSA antigens have been shown to successfully produce antibodies. This is shown from the anti-NAS-BSA, NAS, and Acrylamide antibodies that begin to appear in the second, third and fourth boosting (respectively)
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
Publisher : UI Scholars Hub

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Abstract

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.
N/S-doped carbon electrode derived from paper waste as a sustainable electric double-layer capacitor Rahmawati, Fitria; Aini, Nur; Ridwan, Qanita; Paramartha, I Gusti Ayu Filia; Putri, Denis Octareta Amelia; Saputri, Dini Deviana; Nugrahaningtyas, Khoirina Dwi; Heraldy, Eddy; Hidayat, Yuniawan; Nurcahyo, I. F.; Anggraningrum, Ivandini Tribidasari
International Journal of Renewable Energy Development Vol 14, No 3 (2025): May 2025
Publisher : Center of Biomass & Renewable Energy (CBIORE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/ijred.2025.60846

Abstract

This research aims to produce N/S-doped Carbon Electrode derived from paper waste (NSCEp) for Electric Double-Layer Capacitor (EDLC). The paper waste holds potential as raw material for carbon production because of its high cellulose content, abundance of availability, and low price. To enhance the electrical performance of the carbon, an activation step was conducted, followed by double doping with nitrogen and sulfur using thiourea. The NSCEp result was analysed to examine its specific diffraction peaks, crystallinity, morphology, and elemental contents. The NSCEp powder was then mixed with dispersant to produce a homogeneous slurry for the electrode film. The EDLC was assembled in a sandwich-like structure, with sodium hydroxide (NaOH) solution impregnated in a separator between the carbon film electrodes. The EDLC assembly was conducted under an argon atmosphere in a CR2032 coin cell. The results found that the NSCEp provides a high electrical conductivity of 1.21 x 102 S/cm. The prepared EDLC achieved the specific capacitance value of 39.555 F/g as determined by cyclic voltammetry (CV) analysis. Furthermore, the EDLC demonstrates high initial charge-discharge capacities of 300.56 mAh/g and 248.88 mAh/g, respectively, at a current of 0.015 A/g. The capacity remains stable for up to 300 charge-discharge cycles.
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