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All Journal HAYATI Journal of Biosciences Jurnal Veteriner Microbiology Indonesia Pharmaciana: Jurnal Kefarmasian Jurnal Matematika & Sains Journal of Mathematical and Fundamental Sciences Jurnal Sains dan Teknologi Farmasi Jurnal Media Gizi Indonesia (MGI) INDONESIAN JOURNAL OF PHARMACY Jurnal Komputer Terapan ANNALES BOGORIENSES Jurnal Sisfokom (Sistem Informasi dan Komputer) FITOFARMAKA: Jurnal Ilmiah Farmasi Jurnal Respirasi (JR) Darmabakti Cendekia: Journal of Community Service and Engagements Jurnal Layanan Masyarakat (Journal of Public Service) Jurnal Teknosains Kodepena (Kodepena Journal of Technoscience) Narra J Jurnal Teknosains Kodepena (Kodepena Journal of Technoscience) Jurnal Puruhita MEDICINUS Journal of Community Engagement in Health Annales Bogorienses
HENI RACHMAWATI
School of Pharmacy, Institute of Technology Bandung. Jl. Ganesha, 10, Bandung 40132
Agriculture, Biological Sciences & Forestry Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Mathematics Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Veterinary Other

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Journal : HAYATI Journal of Biosciences

 1 
Development of a Fluorescence Immunoassay Based on Curcumin Carbon Dots-labeled IgY Antibodies for SARS-CoV-2 Detection Rachmadani, Nisa Amanda; Soetomo, Meilisa Keizia; Taharuddin, Audrey Angelina Putri; Santika, Arum Sinda; Abdillah, Oktaviardi Bityasmawan; Permatasari, Fitri Aulia; Iskandar, Ferry; Rachmawati, Heni; Fibriani, Azzania
HAYATI Journal of Biosciences Vol. 33 No. 1 (2026): January 2026
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.33.1.44-57

Abstract

Carbon dots (CDs) are widely utilized in biomedical applications as fluorescent labels for imaging and diagnostics due to their excellent biocompatibility and superior optical properties. These advantages often make CDs a substitute for organic fluorescent dyes, which suffer from low emission intensity and poor photostability when interacting with biomolecules. Moreover, carbon-based materials are eco-friendly and can be synthesized from natural sources, such as curcumin, a chromophore compound abundantly available in Indonesia. Therefore, this study conducted a preliminary investigation on curcumin CDs-labeled IgY antibodies (IgY-cur CDs) for fluorescence immunoassay of SARS-CoV-2 in rapid test applications. The synthesis of the fluorescent label involved a carbodiimide coupling reaction using EDC/NHS agents to conjugate IgY antibodies with curcumin CDs. The IgY-cur CDs conjugate was confirmed to detect antigens through FRET immunosensor mechanisms, showing a significant increase in fluorescence intensity with increasing antigen concentrations (p < 0.05), with a minimum sample concentration of 10 ng. Furthermore, the IgY-CDs cur conjugate was applied as a reporter in a fluorescence-based LFIA using a sandwich assay format. The test strip successfully detected synthetic multiepitope SARS-CoV-2 antigens with an estimated detection limit of 54.28 µg and nasopharyngeal samples from confirmed COVID-19 patients within 35 minutes of operation. The test strip was evaluated to be stable under cold storage at 4°C for up to 3 weeks. In conclusion, curcumin CDs-labeled IgY antibodies demonstrate promising potential for further development as fluorescent labels in rapid diagnostic applications targeting SARS-CoV-2.
Co-Authors Abdillah, Oktaviardi Bityasmawan Agustiyanti, Dian Fitria Agustiyanti, Dian Fitria Alfan Danny Arbianto Ali Iqbal Tawakal Ali Iqbal Tawakal Amalia, Riezki Ambarwati, Rini Amirah Adlia Amirah Adlia Amirah Adlia Anna Smdyah Putri Anna Surgean Veterini Annis Catur Adi Arbianto, Alfan Danny Arbianto, Alfan Danny Arini Setiawati Armay, Edmond Febrinicko Asrul Muhamad Fuad Asrul Muhamad Fuad, Asrul Muhamad Atsarina Anindya Bambang Wahjuprajitno Citra Ariani Edityaningrum, Citra Damar Rasti Adhika Deandra Ardya Regitasari Deandra Ardya Regitasari Debbie Sofie Retnoningrum DEBBIE SOFIE RETNONINGRUM DEBBIE SOFIE RETNONINGRUM Dewi Esti Restiani Dian Fitria Agustiyanti Dwiyatna, Archie Arman Emyr Reisha Ishaura Estherina Juliana Marbun, Estherina Juliana Farapti Farapti Fathrizqita Aghnia Raudhany Fatona Suraya, Fatona Ferry Iskandar Fibriani, Azzania Hamzah Hamzah Herdiani Sulistyo Putri Hidayat, Erzi I Ketut Adnyana Irda Fidrianny Isaura, Emyr Reisha Iskandar, Fery Jessie S. Pamudji Kusnandar Anggadiredja Leonny Yulita Hartiadi Lili Fitriani Magdalena Yuni Kristanti Maharani, Dita Galuh Mahmud Aditya Rifqi Marlina Indriastuti Meirawan, Rizky Fajar Muhammad mahrus zain Nelly Setiawaty Nuthathai Sutthiwong Permatasari, Fitri A. Permatasari, Fitri Aulia Pricillia Sinambela Putri, Dea Mayang Yulia Rachmad Suhanda Rachmadani, Nisa Amanda Rachmat Mauludin Rahmah, Ainur Rahmana E. Kartasasmita Rahmana E. Kartasasmita Rasyidi, Mohammad Fahmi RATIH ASMANA NINGRUM Rehatta, Nancy Margarita Resmi, Juniar Kalpika Restiani, Dewi Esti Restiani, Dewi Esti Rika Hartati Rini Ambarwati S.Pd. M Kes I Ketut Sudiana . Sabar Pambudi Safira Prisya Dewi Sakinah Aljuffrie Salisa, Wizara Santika, Arum Sinda Sari, Ririn Andika Sarmanu, Sarmanu Satuman Satuman Shafiqah Adam Siti Fatimah Zahro Soetomo, Meilisa Keizia Sophi Damayanti Subijanto Marto Soedarmo Subijanto Marto Soedarmo Sukmadjaja Asyarie Sukmadjaja Asyarie Sukmadjaja Asyarie Sulistiawan, Soni Sunarso Syefrida Yulina, Syefrida Taharuddin, Audrey Angelina Putri Tarwadi Tarwadi Tarwadi, Tarwadi Tarwadi, Tarwadi Tjandrawati Mozef Tri Suciati Vidya Anggarini Rahmasari Vidya Anggarini Rahmasari Wenda Novayani Wibowo, Indra Widijiati Widijiati Widjiati Widjiati Widodo Jatim P Widodo Jatim Pudjirahardjo Widodo, Ferri Wijayanti, Ni PAD. Wizara Salisa Wizara Salisa Wizara Salisa Yeyet C. Sumirtapura YEYET CAHYATI Yogie Handoko