A. Aminudin, D.H. Tjahyono, Suprijadi, M. Djamal, R. Zaen, A.B.D. Nandiyanto
Red blood has been of great interest for scientists since it relates to human' and living creature's life sustainability. One of the important compounds in red blood is porphyrin. Here, the purpose of this study was to develop a method for detecting porphyrin concentration using the assistance of giant magnetoresistance. In short of the method, we added Fe3+ solution to the porphyrin, and the mixed solution was introduced to the magnetic field. Next, the magnetized solution was introduced to the magnetic sensor to indicate the existence of porphyrin in the solution. To confirm the effectiveness of our method in detecting porphyrin, we varied the flow rate and concentration of Fe3+-modified porphyrin solution. The result showed that the more concentration and the slower flow rate affected the higher sensitivity gained. Since this developed method is simple but effective for detecting porphyrin concentration, we believe that further development of this method will be benefit for many applications, specifically relating to the medical uses. © Published under licence by IOP Publishing Ltd.
Department Fisika, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudi no 229, Jawa Barat, Bandung, 40154, Indonesia; Sekolah Farmasi, Institut Teknologi Bandung, Jl. Ganesha No. 10, Jawa Barat, Bandung, 40132, Indonesia; Departemen Fisika, Institut Teknologi Bandung, Jl. Ganesha No. 10, Jawa Barat, Bandung, 40132, Indonesia; Departemen Fisika, Institut Teknologi Sumatera, Jl. Terusan Jenderal Ryacudu, Lampung Selatan, 35365, Indonesia; Departemen Kimia, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudi no 229, Jawa Barat, Bandung, 40154, Indonesia
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