The Potential of Biosensor as an Early Warning Tool for Disaster Risk Reduction at Regional Level (Potensi Biosensor sebagai Sebuah Alat Amaran Awal bagi Pengurangan Risiko Bencana di Peringkat Wilayah)

OOI LIA, LEE YOOK HENG, GOH CHOO TA

Abstract


ABSTRACT: Recently, there is an increasing rate of environmental pollution cases reported, and that is closely related to technological hazard. Environmental monitoring (EM) is an approach to detect environmental risk before it develops into a disaster. Disaster Risk Reduction (DRR) is an important concept in reducing the impacts of hazards and disasters to social, economy and environment, especially at a regional level. Biosensors have been developed to detect pollutants and hazardous chemicals that are frequently and potentially found in the environment as a result of anthropogenic activity and as part of the natural phenomena. Efforts are focus in developing biosensors that are applicable in EM, some suggested biosensors could replace the conventional chemical analytical methods, but not all of them are practical. To evaluate the feasibility of biosensors in assisting EM in DRR, an analysis of articles published on biosensors in related field was carried out. Based on the evaluation, we concluded five major aspects to be considered when biosensors are to be applied as an early warning system tool in DRR at regional level, namely complexity of real sample, need of continuous environmental monitoring data, reproducibility of data, on-site testing and roles in risk characterization. This paper will help in the assessment of the applicability of biosensor in EM and as part in the DRR, and also as a guide to designing biosensor for EM purposes.

Keywords: Biosensor; early warning tool; disaster; environment

 

ABSTRAK: Baru-baru ini, terdapat kadar peningkatan jumlah kes-kes pencemaran alam sekitar yang dilaporkan, dan itu adalah berkait rapat dengan bahaya teknologi. Pemantauan alam sekitar (EM) adalah satu pendekatan untuk mengesan risiko alam sekitar sebelum ia berkembang menjadi bencana. Pengurangan Risiko Bencana (DRR) adalah satu konsep yang penting dalam mengurangkan kesan bahaya dan bencana sosial, ekonomi dan alam sekitar, terutamanya di peringkat serantau. Biosensor telah dibangunkan untuk mengesan pencemaran dan bahan kimia berbahaya yang sering dan berpotensi dijumpai di dalam alam sekitar akibat daripada aktiviti antropogenik dan sebagai sebahagian daripada fenomena semula jadi. Usaha dengan memfokuskan kepada pembangunan biosensor yang boleh diguna pakai di EM, beberapa biosensor yang disyorkan boleh menggantikan kaedah konvensional analisis kimia, tetapi tidak semua daripada mereka adalah praktikal. Untuk menilai kemungkinan biosensor dalam membantu EM dalam DRR, analisis artikel yang disiarkan dalam biosensor dalam bidang berkaitan telah dijalankan. Berdasarkan penilaian, kita membuat kesimpulan lima aspek utama yang perlu dipertimbangkan apabila biosensor digunakan sebagai alat dalam sistem amaran awal dalam DRR di peringkat serantau iaitu kerumitan sampel sebenar, keperluan data pemantauan persekitaran yang berterusan, kebolehulangan data, pada- ujian tapak dan peranan dalam pencirian risiko. Kertas kerja ini akan membantu dalam penilaian kesesuaian biosensor dalam EM dan sebagai sebahagian dalam DRR, dan juga sebagai panduan untuk mereka bentuk biosensor untuk tujuan EM.

Kata kunci: Biosensor; alat amaran awal; bencana; alam sekitar


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