Kajian Transpor Kreatinin Menggunakan Membran Kitosan-Alginat Tertaut Silang Polivinil Alkohol (PVA)

https://doi.org/10.22146/jrekpros.38401

Ni Putu Sri Ayuni(1*), Ni Wayan Yuningrat(2), Ni Wayan Citra(3)

(1) Program Studi S1 Kimia, Jurusan Kimia FMIPA, Universitas Pendidikan Ganesha, Jalan Udayana No 11, Singaraja, 81116
(2) Program Studi Analis Kimia, FMIPA Universitas Pendidikan Ganesha, Jalan Udayana No 11, Singaraja, 81116
(3) Program Studi Analis Kimia, FMIPA Universitas Pendidikan Ganesha, Jalan Udayana No 11, Singaraja, 81116
(*) Corresponding Author

Abstract


A B S T R A C T

The objective of this research was to determine the efficiency of the creatinine transport using chitosan alginate cross linked by polyvinyl alcohol (PVA) 0.1% with 70, 100, and 130 mg/L of creatinine concentration. The subject of this study was the membranes of chitosan alginate PVA, while the object of this study was the efficiency of the creatinine transport. The PVA 0.1% cross-linking chitosan-alginate membrane (1:0.15) was successfully synthesized. The membrane synthesized was characterized by FTIR, as well as tensile and strain test. The FTIR spectra showed that there is a new peak of the amino group of chitosan and carboxyl group of alginate at ca. 1651 cm-1. The hydroxyl group appears at ca. 1088 cm-1 while ester groups at ca. 1088 cm-1 and ca. 1265 cm-1 which indicate the cross binding between alginate and PVA. The water uptake test of the chitosan alginate PVA membrane reaches 257.76% for 6 hours. The tensile test results of the membrane before and after creatinine transport are 2.77 MPa and 12.56 MPa while the strain tests yield 14.24% and 18.51%, respectively. The maximum efficiency of the creatinine transport using the chitosan-alginate cross linked by PVA is 51.02% at 130 mg/L creatinine. This creatinine transport result using the PVA cross linking chitosan-alginate membrane are more efficient than chitosan-pectin membrane (25.24%) with the same creatinine concentration.

Keywords: chitosan-alginate PVA membrane; creatinine; cross-link; synthesis; transport


A B S T R A K

Penelitian ini bertujuan untuk menentukan nilai efisiensi transpor kreatinin menggunakan membran kitosan-alginat tertaut silang polivinil alkohol (PVA) 0,1% dengan konsentrasi kreatinin 70, 100 dan 130 mg/L. Subjek dalam penelitian ini adalah membran kitosan-alginat PVA, sedangkan objek penelitian ini adalah pengaruh efisiensi transpor pada variasi konsentrasi kreatinin. Membran kitosan alginat (1:0,15) tertaut silang PVA 0,1% telah berhasil disintesis. Karakterisasi membran kitosan-alginat tertaut silang PVA diperoleh untuk spektra FTIR membran menunjukkan bahwa telah terjadi pergeseran serapan gugus amino dari kitosan dan gugus karboksil dari alginat pada puncak sekitar 1651 cm-1. Pada bilangan gelombang 3363,86 cm-1 terdapat serapan gugus –OH serta pada bilangan gelombang sekitar 1088 cm-1 dan 1265 cm-1 berasal dari gugus ester yang menunjukkan ikatan silang antara alginat dan PVA. Hasil uji serapan air pada membran kitosan-alginat PVA selama 6 jam mencapai rata-rata 257,76%. Hasil uji tarik membran sebelum dan setelah transpor masing-masing: 2,77 MPa dan 12,56 MPa dan untuk hasil uji regang membran sebelum dan setelah transpor masing-masing: 14,24% dan 18,51%. Efisiensi transpor kreatinin pada membran kitosan-alginat tertaut silang PVA mencapai efisiensi transpor maksimal pada konsentrasi 130 mg/L (51,02%). Efisiensi transpor kreatinin ini lebih tinggi jika dibandingkan menggunakan membran kitosan-pektin (25,24%) pada konsentrasi yang sama.

Kata kunci: kreatinin; membran kitosan-alginat PVA; sintesis; taut silang; transpor



Keywords


chitosan-alginate PVA membrane; creatinine; cross-link; synthesis; transport

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DOI: https://doi.org/10.22146/jrekpros.38401

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