Browsing School of Bioprocess Engineering (Articles) by Issue Date
Now showing items 1-20 of 100
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Taste profiling of Centella Asiatica by a taste sensor
(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 ... -
Detection of volatile organic compounds using quartz crystal microbalance sensor array and artificial neural network
(Institute of Electrical and Electronics Engineering (IEEE), 2004)This paper presents the design and development of an odour sensing system based on a Quartz Crystal Microbalance (QCM) odour-sensor array and an artificial neural network (ANN) for the identification of some of the volatile ... -
Development of multichannel artificial lipid-polymer membrane sensor for phytomedicine application
(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 ... -
Biohydrogen production in a continuous stirred tank bioreactor from synthesis gas by anaerobic photosynthetic bacterium: Rhodopirillum rubrum
(Elsevier Ltd., 2007-05)Hydrogen may be considered a potential fuel for the future since it is carbon-free and oxidized to water as a combustion product. Bioconversion of synthesis gas (syngas) to hydrogen was demonstrated in continuous stirred ... -
Disposable array sensor strip for quantification of sinensetin in Orthosiphon stamineus Benth samples
(Springer-Verlag, 2008)A disposable screen printed array sensor strip based on self-plasticized lipid membranes combined with chemometric algorithm has been developed and applied for quantification of Orthosiphon stamineus Benth extracts. ... -
Bioinformatics: prospect, application and the way forward
(Universiti Malaysia Perlis, 2008)The world of bioinformatics is fast expanding into the mainstream of both molecular and computational biology. Bioinformatics is a new discipline that can be described as the science of collecting, modelling, storing, ... -
Thermo-enzymatic hydrolysis of Cassava Starch by α-amylase and amyloglucosidase
(Universiti Malaysia Perlis (UniMAP), 2008-03-16)One of the greatest challenges for the 21st century society is to meet the growing demand for energy for transportation in sustainable way. Petroleum based products are in critical state and alternatives for fuel is needed. ... -
Biological hydrogen production from CO: Bioreactor performance
(Elsevier B.V., 2008-05-01)This paper presents an alternative solution to the current problem faced by the world; diminishing of fossil fuel. Bioconversion of synthesis gas to hydrogen as clean fuel was catalyzed by a photosynthetic bacterium, ... -
Disposable E-Tongue for the assessment of water quality in fish tanks
(Molecular Diversity Preservation International, 2008-06)A disposable screen-printed e-tongue based on sensor array and pattern recognition that is suitable for the assessment of water quality in fish tanks is described. The characteristics of sensors fabricated using two kinds ... -
Optimization of thaumatin extraction by aqueous two-phase system (ATPS) using response surface methodology (RSM)
(Elsevier B.V., 2008-09-22)The work attempts to study and optimize aqueous two-phase system (ATPS) made of polyethylene glycol (PEG)/sodium sulfate and PEG/potassium phosphate. Five factors (PEG's molecular weight, PEG's concentration, pH, concentration ... -
Chemoenzymatic and microbial dynamic kinetic resolutions
(Wiley-Liss, Inc, 2009)This review tracks a decade of dynamic kinetic resolution developments with a biocatalytic inclination using enzymatic/microbial means for the resolution part followed by the racemization reactions either by means of ... -
Controlled/living radical polymerization of methyl methacrylate in the presence of 2-bromoethanol as a transfer agent and comparison with cumyl dithiobenzoate as a RAFT agent
(Asian Network for Scientific Information, 2009)Living polymerization is a process without transfer and termination chain reaction process. It has been developed almost 50 years ago. There are many types of living radical polymerization and the most versatile method is ... -
Protein–membrane interactions in forced-flow electrophoresis of protein solutions: effect of initial pH and initial ionic strength
(Elsevier B.V., 2009-04-20)The purpose of this paper is to determine the effect of initial pH buffer and initial ionic strength of phosphate buffer in forced-flow electrophoresis (FFE) of protein solutions. Two types of proteins, bovine serum albumin ... -
Analysis of major fragrant compounds from Citrus grandis flowers extracts
(Universiti Kebangsaan Malaysia (UKM)Fakulti Sains dan Teknologi, 2010)Various sampling techniques such as hydrodistillation, Soxhlet extraction and solid phase micro extraction (SPME) were used to extract compounds, i.e. the active components attributed to fragrance of C. grandis flowers. ... -
Catalytic hydrogenation of carbon dioxide by platinum doped nickel oxide catalyst
(IDOSI Publications, 2010)The abundant amount of carbon dioxide gas from unwarranted activities into the atmosphere creating environmental pollution which leads to green house gas effect as well as global warming. However, carbon dioxide can utilized ... -
Chemically modified sugarcane bagasse as a potentially low-cost biosorbent for dye removal
(Elsevier B. V., 2010-12-15)The use of adsorbent prepared from sugarcane bagasse, an agro waste from sugar industries has been studied as an alternative substitute for activated carbon for the removal of dyes from wastewater. Adsorbents prepared from ... -
Design aspects of bioreactors for solid-state fermentation: A review
(Croatian Association of Chemical Engineers, 2011)Solid-state fermentation has gained renewed attention, not only from researchers but also from industries, due to several advantages over submerged fermentations. This is partly because solid-state fermentation has lower ... -
Effect of ethanol concentration in water coagulation bath on pore geometry of PVDF membrane for Membrane Gas Absorption application in CO 2 removal
(Elsevier B.V., 2011-03)In this study, polyvinylidenefluoride (PVDF) flat sheet membranes were fabricated by immersing into various concentrations of ethanol in water (M-1:0%, M-2:25%, M-3:50% and M-4:75% respectively) as the coagulation bath via ... -
Nanoparticle sensor for label free detection of swine DNA in mixed biological samples
(IOP Publishing Ltd, 2011-05-13)We used 40 ± 5 nm gold nanoparticles (GNPs) as colorimetric sensor to visually detect swine-specific conserved sequence and nucleotide mismatch in PCR-amplified and non-amplified mitochondrial DNA mixtures to authenticate ... -
Photocatalytic degradation of phenol in a fluidized bed reactor utilizing immobilized TiO2 photocatalyst: Characterization and process studies
(Asian Network for Scientific Information, 2011-05-28)Remediation of hazardous materials in water has emerged as a top priority over the years. Organic pollutants in water are one of the major constituents in water pollution. Phenol is one of the organic pollutants which are ...