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Journal : Journal of Vocational Nursing

ELECTROCHEMICAL SENSOR FOR ELECTROLYTE SCREENING IN SIMULATED RENAL SAMPLES Belgis, Belgis; Muhaimin, Muhaimin; Firdaus, Aji Akbar
Journal of Vocational Nursing Vol. 6 No. 2 (2025): OCTOBER 2025
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jovin.v6i2.73132

Abstract

Introduction: Electrolyte imbalance frequently occurs in patients with chronic kidney disease (CKD) due to impaired renal regulation of ions such as sodium, potassium, chloride, and bicarbonate. Uncorrected abnormalities can lead to cardiac arrhythmias, neuromuscular dysfunction, and increased mortality. Regular monitoring is critical; however, conventional laboratory methods often require complex equipment and are inaccessible in low-resource settings. Electrochemical sensors provide a practical alternative by enabling rapid, direct measurement of electrolytes through electrical signals generated by ion-selective electrodes. Methods: This study presents the development and validation of a drop-casting-based electrochemical sensor designed for detecting sodium (Na+), potassium (K+, chloride (Cl-), and bicarbonate (HCO₃-) ions. The sensor was fabricated using a low-cost and straightforward method and tested with synthetic serum simulating both normal and renal failure conditions. Results: Calibration curves demonstrated strong linearity (R² > 0.93) for all ions, with minimal deviation for Na+ and K+ Performance validation showed acceptable sensitivity and stabilization time (<10 seconds), supporting its potential for point-of-care use. Conclusions: The device is easy to use, portable, and affordable, making it suitable for vocational healthcare workers in primary health centers and home-based care. Despite limitations in bicarbonate detection, the sensor shows promise for early electrolyte screening in decentralized healthcare settings. Further refinement and broader validation are recommended.
Co-Authors Achmad Luki Satriawan Adi Soeprijanto Agustin, Eva Inaiyah Alim Prasaja Aly, Muhammad Nilzam Anang Budikarso Anang Tjahjono, Anang Andria Kusuma, Vicky Arof, Hamzah Asy'ari, Vaizal Azmita, Mimi Bambang Suharto Bambang Suharto Belgis, Belgis Daud, Muhamad Zalani Dewanto, Muhammad Ridho Dimas Fajar U.P. Dimas Fajar Uman Putra Dimas Okky Anggriawan Eka Prasetyono, Eka Endro Wahjono Farid, Mifta Nur Firillia Filliana Gagas Gayuh Aji, Gagas Gayuh Ginting, Ina Veronica Hadi Suyono Hadi Suyono Hamzah Arof Happy Aprillia Hidayatul Nurohmah Indhana Sudiharto Jenrychk Marcelino Tandi Karrang Kadek Juni Setiawati Kharis Sugiarto Khuria Kirana, Angkita Wasito Kristanto, Damar Kristanto, Damar Kurnia Wijaya Kusuma Li Wang Machrus Ali Mahmud Iwan Solihin Maurisia Putri Permatasari Mifta Nur Farid Mimi Azmita Muhaimin Muhaimin Muhammad Agung Nursyeha Muhammad Aziz Muslim Muhammad Aziz Muslim Muhammad Nizhom Ramadhani Muhammad Ruswandi Djalal Nabila Salvaningtyas Nasa Zata Dina Novian Patria Uman Putra Novian Uman Putra Nuruddin Nuruddin Nyoman Juniarta, Nyoman Ontoseno Penangsang Prasaja, Alim Priyanto, Yun Tonce Kusuma Putra, Dimas Fajar Uman Putra, Wahyu Haryanto Putri, Rahmah Fadiyah Rachman Sinatriya Marjianto Rafdi Syah, Muhammad Abby Rahayu, Ragil Puji Rahmat Yuliawan Rajendran, Parvathy Risty Jayanti Yuniar Sena Sukmananda Suprapto Setiawati, Kadek Juni Sinulingga, Rizky Amalia Sisca Dina Nur Nahdliyah Sri Endah Kinasih Sri Endah Nurhidayati Sugiarto, Kharis Suharno, Novianto Edi Suprapto, Sena Sukmananda Susanto, Fajar Annas Teguh Aryo Nugroho Teguh Herlambang Tesa Eranti Putri Trimulya, Hanif Uman Putra, Novian Patria Vicky Andria Kusuma Vicky Andria Kusuma Wilda Imama Sabilla Winarno Winarno Winarno, Winarno Yanuar Mahfudz Safarudin Yuli Prasetyo Yunardi, Riky Tri