Browsing Faculty of Mathematics and Natural Sciences by Author "Wahyono, Dwi"

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    • Sintesis dan Optimalisasi Gel Kitosan-Alginat 

      Sugita, Purwantiningsih | Sjahriza, Ahmad | Wahyono, Dwi (2013)
      Shrimp shell can be used to make chitosan. The objective of this work is to sythesis and optimize chitosan-alginate gel by comparing its rheological properties. Rheological properties of chitosan were improved by gelation ...

    • Sintesis nanopartikel kitosan dengan metode ultrasonikasi dan sentrifugasi serta karakterisasinya 

      Wahyono, Dwi | Sugita, Purwantiningsih | Ambarsari, Laksmi (2013-06-04)
      Abstract : Ketoprofen-loaded chitosan nanoparticles are produced by ionic gelation process of chitosan and tripolyphosphate (TPP) with ultrasonication and sentrifugation methods. Ultrasonic waves with 20 kHz frequency were ...