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      Nanopartikel Karbon (C-Dots) dari Kulit Buah Naga (Hylocereus polyrhizus) untuk Deteksi Ion Cd (II)

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      Date
      2021
      Author
      Rahmi, Cut Navita
      Sugiarti, Sri
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      Abstract
      Deteksi logam kadmium perlu dilakukan karena termasuk senyawa berbahaya bagi manusia. Nanopartikel karbon dots (C-dots) yang berasal dari bahan alam dapat mendeteksi logam disebabkan oleh sifat berpendar dari C-dots. C-dots yang dihasilkan dari bahan alam biasanya memiliki warna fluoresens biru. Pergeseran warna fluoresens dipengaruhi oleh jenis gugus fungsi pada permukaan C-dots. C-dots dari buah naga merah dapat memperbanyak jenis gugus fungsi pada permukaan C-dots sehingga berpotensi meningkatkan intensitas fluoresens atau menghasilkan warna fluoresens selain biru. Penelitian ini bertujuan mengkaji literatur C-dots yang berasal dari kulit buah naga merah, dan menganalisis karakterisasinya untuk potensi warna emisi fluoresens selain biru sebagai bahan deteksi ion kadmium. Gugus fungsi pada permukaan C-dots akan menentukan interaksi spesifik antara C-dots dan masing-masing logam. Semakin bertambah jenis gugus fungsi, interaksi logam dengan C-dots akan semakin meningkat. C-dots yang berasal dari kulit buah naga merah berpotensi untuk mendeteksi kadmium karena gugus fungsi yang ada pada permukaan C-dots dapat berinteraksi dengan kadmium.
       
      Cadmium metal detection is necessary since it is harmful to humans. Natural-derived carbon dots nanoparticles (C-dots) can detect metals due to their luminescent properties. C-dots that are resulted from natural materials usually emit a blue fluorescence color. The types of functional groups on the C-dots surface will influence the fluorescence color shifting. C-dots from red dragon fruit can increase functional groups types on the C-dots surface, so that it has the potential to increase the fluorescence intensity or to shift the C-dots fluorescence wavelength to emit colors other than blue. This study aims to review the literature of C-dots derived from red dragon fruit peels and analyze its characterization for the potential of emissions color other than blue as a detection agent for cadmium. The functional groups on the C-dots surface will determine the specific interaction between the C-dots and each type of metal. The increasing of functional groups types on the C-dots surface will increase the interaction between metal and C-dots. C-dots from red dragon fruit peel can potentially detect cadmium since the functional groups on the surface of C-dots can interact with cadmium.
       
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      http://repository.ipb.ac.id/handle/123456789/107716
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      • UT - Chemistry [2295]

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      Copyright © 2020 Library of IPB University
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      Indonesia DSpace Group 
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