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4661
Cytotoxic and antibacterial activities of constituents from Calophyllum ferrugineum ridley
Published 2016“…Meanwhile, betulinic acid (5), protocatechuic acid (6) and amentoflavone (7) were isolated from the leave extract. …”
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4662
Management of palm oil mill effluent through production of cellulases by filamentous fungi
Published 2009“…The results showed that T. reesei RUT C-30 gave the highest filter paper cellulase and carboxy methyl cellulase activity of 0.917 and 2.51 U/ml respectively at day 5 of fermentation. Other parameters such as growth formation, pH, filterability and total biosolids were observed to evaluate the bioconversion process.…”
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4663
Effects of process conditions on the ultrasonic extraction of phenolics scavenger from Curcuma caesia rhizome
Published 2016“…This study examined the effects of various extraction temperatures (30, 40, 50, 60, 70 ⁰C) using a high frequency (40kHz) ultrasonic extraction method, time (30,60,90 and 120 minutes), pH (1,2,3,4,5,6,7,8,9,10) on the extraction yield of total phenolics and DPPH scavenging activities from C. caesia rhizome. …”
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Proceeding Paper -
4664
Development of enzymatic pretreatment of palm oil mill effluent for monomers towards biogas production
Published 2016“…About 66.67% more free fatty acid (FFA) was obtained in this study in compared to control sample by using 12.3 U/ml lipase at the pH of 4.5 with raw POME without sterilized condition. About 34.67% higher reducing sugar was recorded with the loading of 0.168FPU/ml cellulase enzyme as compared to the control at the pH of 3.7…”
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Proceeding Paper -
4665
Capacitance-voltage characterization of commercial gallium nitride diodes subjected to electron radiation
Published 2016“…Capacitance-voltage (C-V) characteristics of commercial GaN LEDs before and after irradiation were investigated. …”
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Proceeding Paper -
4666
A 1-Gbps IR-UWB pulse generator for 802.11a and WiMAX interference avoidance
Published 2011“…Interference on 802.11a band is avoided by adjusting a spectral notch of less than -85dBm/MHz at 5GHz. The pulse generator uses a single two ports parallel coupled microstrip line as a bandpass filter (BPF). …”
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Proceeding Paper -
4667
Study of operating conditions for biodiesel production from sludge palm oil using chemical reactor
Published 2009“…All experiments were performed in a 1.5 liter jacketed reactor. The results of the operating conditions for esterification process were: 2% wt/wt of sulfuric acid, molar ratio of methanol to oil 10:1 at 60o C. …”
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Proceeding Paper -
4668
Accumulation of lead and copper in Rhizophora apiculata from Setiu mangrove forest, Terengganu, Malaysia
Published 2009“…The average concentration of Cu for Rhizophora apiculata in leaf, bark, root and sediment was 2.73, 3.94, 5.21 and 9.42 mg I(-1), respectively. Meanwhile, the average concentration of Pb in leaf, bark, root and sediment was 1.43, 1.38, 2.05 and 11.66 mg l(-1), respectively. …”
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4669
Mobility support in MPLS network
Published 2011“…Multi Protocol Label Switching (MPLS) is a core networking Quality of service architecture that basically operates in between Layers 2 and 3 of the Open Systems Interconnection (OSI) model; for this reason, MPLS has been referred to as operating at Layer 2.5. MPLS provides its users a number of advantageous features for instance guarantee Quality of Service (QoS), failure protection,. …”
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Proceeding Paper -
4670
Metal removal from industrial wastewater by a novel carbon nanomaterial.
Published 2009“…The results showed successful growth of CNMs on the GAC, the adsorption of lead, copper and nickel metals ions was best at pH 5, while maximum capacity was recorded at 1 g/L dosage of adsorbent for lead and copper while nickel was at 2 g/L. …”
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Proceeding Paper -
4671
Preparation and characterization of inorganic MCM-41 membrane for zinc-air microbattery
Published 2010“…MCM-41 membrane was synthesized on the electrodeposited zinc electrode by dip-coating method from a pregnant solution consisting of cethyltrimethylammonium bromide (CTAB), tetraethylortosilicate (TEOS), hydrochloric acid, ethanol and distilled water. its thickness was ca. 5 µm. Due to the hydrophilic nature of the as-synthesized MCM-41, it serves both as the cell’s separator and the electrolyte matrix. …”
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Proceeding Paper -
4672
Kenaf fibre reinforced poly(lactic acid) biocomposites
Published 2010“…The kenaf fibre content in the PLA was varied from 5%, 10%, 15% and 20% by weight. PLA-KF biocomposite was extruded using Haake twin screw extruder before injection molded for further mechanical characterization. …”
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Proceeding Paper -
4673
Synthesis and characterization of bubble wrap-like hollow barium silicate–carbonate nanospheres for the epoxidation of styrene
Published 2020“…The average pore size, BET surface area and total pore volume of the most catalytically active catalyst in the epoxidation of styrene, 1.00BaMST were 5.0 nm, 42 m2 g−1 and 0.0771 cm3 g−1, respectively. …”
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4674
A note on Chinese stock market efficiency: fresh evidence from non-linear unit root test
Published 2011“…In doing so, the nonlinearity test of Harvey, Leybourne, and Xiao (2008)5 is used to have an insight into the best specification of the model. …”
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Proceeding Paper -
4675
Fabrication of CuSiC composite by powder metallurgy route
Published 2011“…Then, the mixtures were uniaxially compacted into a ɸ13.5mm cylindrical pallet and followed by sintering in vacuum furnace from 800-950°C for 4 hours. …”
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4676
Structural and wear and characteristic of low temperature nitrided stainless steel
Published 2006“…In the present laboratory experiments, the precipitation-free or S phase layer with a surface hardness of ~1350 HV0.5 was produced at a nitriding condition of 450 °C for 6h. …”
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Article -
4677
Applicant reaction to structure : self-monitoring as a moderator
Published 2010“…Particularly, applicants reacted negatively to structured interview compared to semi-structured (t(41) =-8.67; p<0.01) and unstructured interview (t(41) =-5.94; p<0.01). No significant difference was found in applicants‟ reactions between semi-structured and unstructured interview with t(41) =1.56; p>0.05 and self-monitoring did not moderate effect of interview structure on applicant reactions with F(2, 38) = 2.626, p>0.05; η²=0.121.…”
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Proceeding Paper -
4678
Media optimization for bioproteins production from cheaper carbon source
Published 2008“…The maximum biomass produced was 21.89 g/L with optimum fermentation conditions of wheat flour (4 g/L), nitrogen concentration (0.5 g/L), nutrient concentration (0.1 g/L), and four days of fermentation.…”
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4679
Screening and optimization of media components for phytase production of ASUIA 279 in Pichia pastoris system using statistical design
Published 2011“…The gene encoding for phytase from ASUIA279 has been successfully cloned and expressed in pichia pastoris X-33 under the control of AOX1 promoter, named as HSUIA279(5H)AX. In this study, process and media components were screened for high yield phytase production in small scale culture by using plackett burman design. …”
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Article -
4680
Screening and optimization of media components for phytase production of ASUIA 279 in Pichia pastoris system using statistical design
Published 2011“…The gene encoding for phytase from ASUIA279 has been successfully cloned and expressed in pichia pastoris X-33 under the control of AOX1 promoter, named as HSUIA279(5H)AX. In this study, process and media components were screened for high yield phytase production in small scale culture by using plackett burman design. …”
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Proceeding Paper