Browsing School of Materials Engineering (Articles) by Author "Irwana, Nainggolan, Dr."
Now showing items 1-2 of 2
-
Mechanical properties of paper from oil palm pulp treated with chitosan from horseshoe crab
Agusnar, Harry; Irwana, Nainggolan, Dr.; Sukirman (AENSI Publisher All rights reserved, 2013-10)The application of chitosan as an additive in papermaking to improve the strength and water resistant properties is described. Unbleached sulphate pulp from oil palm stem was treated with chitosan. The chitosan was prepared ... -
The sensing mechanism and detection of low concentration acetone using chitosan-based sensors
Tulus Ikhsan, Nasution; Irwana, Nainggolan, Dr.; Sabar Derita, Hutagalung, Dr.; Khairel Rafezi, Ahmad, Dr.; Zainal Arifin, Ahmad (Elsevier B. V., 2013)This paper aims to discuss the usage of chitosan film sensors to detect acetone concentrations in human breath, in order to precisely diagnose diabetes mellitus in patients. Acetone concentration in the breath varies from ...