Browsing by Author "Shafiqul Islam, A.K.M."
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Correlation studies between electronic nose response and headspace volatiles of Eurycoma longifolia extracts
Shafiqul Islam, A.K.M.; Ismail, Z.; Saad, B.; Othman, A.R.; Mohd Noor, Ahmad; Ali Yeon, Md Shakaff (Elsevier B.V.Kolej Universiti Kejuruteraan Utara Malaysia (KUKUM), 2006-12-31)Most herbs have their own characteristic smell due to the presence of volatile compounds. Traditionally, volatiles are analyzed by using sophisticated and expensive gas chromatography (GC) in tandem with a selective mass ... -
Correlation studies between electronic nose response and headspace volatiles of Eurycoma longifolia extracts
Shafiqul Islam, A.K.M.; Zhari, Ismail; Bahruddin, Saad; Abdul Rahman, Othman; M. Nizam, Ahmad; Ali Yeon, Md Shakaff (Elsevier B.V., 2006-12)Most herbs have their own characteristic smell due to the presence of volatile compounds. Traditionally, volatiles are analyzed by using sophisticated and expensive gas chromatography (GC) in tandem with a selective mass ... -
Development of multichannel artificial lipid-polymer membrane sensor for phytomedicine application
Mohd Noor, Ahmad; Zahri, Ismail; Oon-Sim, Chew; Shafiqul Islam, A.K.M.; Ali Yeon, Md Shakaff (MDPI, 2006)Quality control of herbal medicines remain a challenging issue towards integrating phytomedicine into the primary health care system. As medicinal plants is a complicated system of mixtures, a rapid and cost-effective ... -
Quantitative analysis of Orthosiphon stamineus benth with a disposable sensor trip
Mohd Noor, Ahmad; M.M.S. Yap; Chang, Chew Chen; Ali Yeon, Md Shakaff; Shafiqul Islam, A.K.M. (Alpha M.O.S, 2007-05-05)A disposable screen printed array sensor strip based on self-plasticized lipid membrances combined with chemometric algorithm has been developed and applied for quantification of Orthosiphon stamineus benth extracts. ... -
Taste profiling of Centella Asiatica by a taste sensor
Shafiqul Islam, A.K.M.; Zhari, Ismail; Mohd Noor, Ahmad; Abdul Rahman, Othman; Saravanan, Dharmaraj; Ali Yeon, Md Shakaff (MYU K.K., 2003)A taste sensor was used for organoleptic profiling and quality evaluation of Centella asiatica extracts and isolates on the basis of basic tastes i.e., sweet, sour, bitter, salty and umami. The sensor uses an array of ... -
Transient parameters of a coated quartz crystal microbalance sensor for the detection of volatile organic compounds (VOCs)
Shafiqul Islam, A.K.M.; Ismail, Z.; Mohd Noor, Ahmad; Saad, B.; Othman, A.R.; Ali Yeon, Md Shakaff; Daud, A.; Ishak, Z. (School of Materials Engineering; School of Computer and Communication Engineering, 2005-09-30)A PVC blended lipid membrane coated quartz crystal microbalance has been prepared to mimic human olfaction system. Transient response curves of the sensor on exposure to methanol, ethanol, chloroform, acetone and benzene ...