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2011-9-12 · Differential scanning calorimetric (DSC) analysis and thermal gravimetric analysis (TGA) were carried out to investigate the changes of the composite polymers' behavior with temperature. The kinetics of the thermal decomposition of magnesium salt–polyacrylamide composite polymers was investigated over …
Get Price2016-8-4 · and Application of Polyacrylamide Grafted Sago Starch For Coagulation and Flocculation Processes* in accordance with Universiti Pertanian Malaysia (Higher Degree) Act 1980 and Universiti Pertanian Malaysia (Higher Degree) Regulations 198 1. The Committee recommends that the candidate be awarded the relevant degree.
Get Price2010-3-26 · Bandar Seri Iskandar, 31750 Tronoh, Perak Darul Rizuan, Malaysia *Corresponding Author: [email protected] Abstract Grafted anionic polyacrylamide gel has been synthesised in the laboratory following radical polymerisation process. Kinetics of thermal degradation of
Get Price2017-4-27 · Polyacrylamide Raid Saleh Shatat1*, S. Kalimulla Niazi1,Azlan Ariffin2 1Riyadh Colleges of Dentistry and Pharmacy, 84891 Riyadh 11681, Kingdom of Saudi Arabia. Tel: 920000842. Fax: 920000843 2School of Material and Mineral Resources, UniversitiSains Malaysia, KampusKejuruteraan, 14300 NibongTebal, SeberangPerai Selatan, Penang, Malaysia
Get Price2016-9-13 · 3.1.6.14 TGA of 2-Aminopyridine Polyacrylamide Chitosan (CS-APAM) 127 3.1.6.15 TGA of Resorcinol and Polyacrylamide Chitosan (CS-RESAM) 128 3.1.6.16 TGA of 4-Methoxyaniline Polyacrylamide Chitosan (CS-MEOXANAM) 129 3.1.7 Differential Scanning Calorimetry (DSC) 130 3.1.7.1 DSC of Chitosan 130
Get PriceGraft copolymerization of polyacrylamide (PAm) onto sago starch (S.S), S.S-g-PAml, SS-g-PAm2, S.S-g-PAm3, and S.S-g-PAm4, were carried out by a free radical initiation using cerri
Get Price2021-7-8 · School of Industrial Technology, Universiti Sains Malaysia, 11800 Minden, Penang, Malaysia (Received: February 12, 2014; Accepted in Revised Form: March 17, 2014) Abstract: Polyacrylamide (PAM) is known to pose a hazard to human health. A newly explored plant-based
Get Price2017-6-20 · Polyacrylamide is a well-known hydrogel whose swelling capacity is not very sensitive to pH or electrolytes. Polyacrylamide hydrogels are usually synthesized in aqueous solution using water-soluble initiators and crosslinking agents such as N,N′-methylenebisacrylamide [5, 17]. Temperature control is critical for …
Get Price2019-8-1 · Polyacrylamide (PAam)is awatersoluble polymer. It interacts withmanymetal cationsinhydroussolutions. Gelsandpolymersalts canbeobtainedbydesiccation ofthese.solutions [6]. Optically homogeneousfilms can be obtained withmostof the soluble inorganicchlorides. WehavepreparedPAam …
Get Price2016-9-13 · Sains Malaysia (USM), have been very kind enough to extend their help to various phases of this research. My thanks go to Dr El-Sayed Moussa Negim. ... 3.1.6.14 TGA of 2-Aminopyridine Polyacrylamide Chitosan (CS-APAM) 127 3.1.6.15 TGA of Resorcinol and Polyacrylamide Chitosan (CS-RESAM) 128
Get Price2010-3-26 · Bandar Seri Iskandar, 31750 Tronoh, Perak Darul Rizuan, Malaysia *Corresponding Author: [email protected] Abstract Grafted anionic polyacrylamide gel has been synthesised in the laboratory following radical polymerisation process. Kinetics of thermal degradation of
Get PriceGraft copolymerization of polyacrylamide (PAm) onto sago starch (S.S), S.S-g-PAml, SS-g-PAm2, S.S-g-PAm3, and S.S-g-PAm4, were carried out by a free radical initiation using cerri
Get Price2019-8-1 · 100 G. CAMPET,L. RABARDEL,J. PORTIER,H. S. DWEIKANDM.A. SUBRAMANIAN The present work is devoted to the study of hybrids obtained by reaction of polyacrylamide in hydrochloric acid solutions of trivalent bismuth and to the precipitation ofbismuthiodide particles in these materials. …
Get Price2018-11-12 · Universiti Putra Malaysia, 43400 UPM Serdang, Malaysia Received July 4, 2003; Accepted September 2, 2003 A thermostable extracellular lipase of Geobacillus sp. strain T1 was cloned in a prokaryotic system. Sequence analysis revealed an open reading frame of 1,251bp in length which codes for a polypeptide …
Get PricePEER-REVIEWED ARTICLE bioresources.com Ang et al. (2015). “Glyoxalation of lignin,” BioResources 10(3), 4795-4810. 4795 Characterization and Optimization of the Glyoxalation of a Methanol-Fractionated Alkali Lignin using Response
Get Pricec Indian Academy of Sciences RESEARCH ARTICLE Genetic characterization of Perna viridis L. in peninsular Malaysia using microsatellite markers C. C. ONG1 , K. YUSOFF2 , C. K. YAP1 and S. G. TAN3∗ 1 Genetics Laboratory, Department of Biology, Faculty of Science, Universiti Putra Malaysia, 43400 UPM Serdang, Malaysia 2 …
Get Price2020-10-27 · The TGA results revealed that there is a significant increase in the degradation temperature (Tg = 181°C) for the neat-PAM hydrogel with 0.3 wt% of MBA in comparison to that of neat-PAM with 0.15 wt% of MBA (175°C), indicating that the chain mobility of the polymer matrix at a lower temperature was …
Get Price2016-9-13 · Sains Malaysia (USM), have been very kind enough to extend their help to various phases of this research. My thanks go to Dr El-Sayed Moussa Negim. ... 3.1.6.14 TGA of 2-Aminopyridine Polyacrylamide Chitosan (CS-APAM) 127 3.1.6.15 TGA of Resorcinol and Polyacrylamide Chitosan (CS-RESAM) 128
Get Price2015-10-25 · The PAM-PASS was characterized by viscometer, IR spectroscopy, TEM, SEM, conductivity, and TGA. It was found that an ionic bond exists between Al colloid and polyacrylamide (PAM) chains in the PAM-PASS; Silicon and aluminum form the amorphous polymer and the flocculation efficiency of PAM-PASS is much …
Get Price2018-11-12 · Universiti Putra Malaysia, 43400 UPM Serdang, Malaysia Received July 4, 2003; Accepted September 2, 2003 A thermostable extracellular lipase of Geobacillus sp. strain T1 was cloned in a prokaryotic system. Sequence analysis revealed an open reading frame of 1,251bp in length which codes for a polypeptide …
Get Price2015-3-3 · In Malaysia, liquid and solid wastes that are generated by the palm oil industries such as empty fruit bunch (EFB) keeps increasing annually (Dayana Amira et al., 2011). There are about 7.3 million tons …
Get Price2021-2-15 · Universiti Putra Malaysia (UPM), Serdang 43400, Selangor, Malaysia 4 Fakulti Teknologi Kejuruteraan Mekanikal dan Pembuatan, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, Durian Tunggal 76100, Melaka, Malaysia; [email protected] * Correspondence: [email protected]; Tel.: +60-3 …
Get PriceThis polymer was made by chemical reactions using mechanical mixing of Polyacrylamide, Dially Dimethyl Ammonium Chloride, and Polyvinyl alcohol. The chemical structures are given in Fig. 11. The illite-based montmorillonite was used in this study. The characterization of materials was done by FTIR, TEM, SEM, XRD, and TGA.
Get Pricec Indian Academy of Sciences RESEARCH ARTICLE Genetic characterization of Perna viridis L. in peninsular Malaysia using microsatellite markers C. C. ONG1 , K. YUSOFF2 , C. K. YAP1 and S. G. TAN3∗ 1 Genetics Laboratory, Department of Biology, Faculty of Science, Universiti Putra Malaysia, 43400 UPM Serdang, Malaysia 2 …
Get Price2018-2-13 · The incorporation of two different monomers, having different properties, in the same polymer molecule leads to the formation of new materials with great scientific and commercial importance. The basic requirements for polymeric materials in some areas of biomedical applications are that they are hydrophilic, …
Get Price2012-12-21 · Diode Laser (532 nm) Induced Grafting 44 from Acacia senegal is a complex branched heteropolyelectrolyte with a backbone of 1,3linked β-galactopyranose units and side- -chains of 1,6linked - galactopyranose units terminating in glucuronic acid or 4O-methylglucuronic -
Get Price2018-11-12 · Universiti Putra Malaysia, 43400 UPM Serdang, Malaysia Received July 4, 2003; Accepted September 2, 2003 A thermostable extracellular lipase of Geobacillus sp. strain T1 was cloned in a prokaryotic system. Sequence analysis revealed an open reading frame of 1,251bp in length which codes for a polypeptide …
Get Price2016-3-21 · Thermogravimetric analysis (TGA) analysis showed that the moisture content in purified biopolymer was 6.3%; it was quite stable till 100-200 °C and melted at temperatures higher than 250 °C. It was characterized as schizophyllan by MALDI-TOF-MS and NMR (1 H and proton decoupled 13 C NMR) analysis. The …
Get Price2018-2-15 · Thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) confirmed the thermal stability of polymeric networks, and scanning electron microscopy (SEM) and energy-dispersive X-ray spectrum (EDS) images unveiled that the prepared formulations were porous in nature and thus the developed …
Get PriceC111 or 22589. Prepare a 0.315 mg/ml solution in water immediately before use. Dissolve at 37 °C and filter sterilze. It is normal to observe undisolved sulfo-SANPAH in the filter. Sulfo-SANPAH is light sensitive and, therefore, the solution should be protect from light until UV exposure.
Get PriceSuperabsorbent polymer from waste polystyrene-graft-polyacrylamide was synthesized through emulsion polymerization technique using acrylamide as a monomer and potassium persulphate as an initiator in the presence of N,N-methylenebisacrylamide (NMBA) as a crosslinking agent. The effects of acrylamide loading was investigated to obtain the optimum condition that shows the best swelling …
Get Price2015-2-17 · Thermal gravimetric analysis (TGA) is a thermal analysis technique that is defined as thermal analysis of ‘a group of techniques in which a physical property of a substance and/or its reaction products is measured as a function of temperature, while the substance is subjected to a controlled temperature program.’ The mass …
Get PriceIn Malaysia, there is a paucity of information on IPIs among prison inmates. In order to further enhance the current health strategies employed, the present study aims to establish firm data on the prevalence and diversity of IPIs among HIV-infected and non-HIV-infected individuals in a prison, an area in which informed knowledge is …
Get Price2018-2-13 · The incorporation of two different monomers, having different properties, in the same polymer molecule leads to the formation of new materials with great scientific and commercial importance. The basic requirements for polymeric materials in some areas of biomedical applications are that they are hydrophilic, …
Get Price2015-4-30 · Malaysia, 30%–50% yield losses have been reported in a direct-seeded rice field in which wild rice (Oryza rufipogon) was present at densities above 31 panicles/m 2 , and under heavy infestation, lodging of WR plants may occur and
Get PriceMalaysia, Malaysia (3° 2’ 0” North, 101° 43’ 0” East). The chicken manure was randomly picked and placed into the close plastic sample bag and then transported to the laboratory. Afterwards, the manure was homogenised and mixed well before the commencement of the experi-ment. Cultivation of microorganisms
Get Price2018-2-13 · The incorporation of two different monomers, having different properties, in the same polymer molecule leads to the formation of new materials with great scientific and commercial importance. The basic requirements for polymeric materials in some areas of biomedical applications are that they are hydrophilic, …
Get Price2011-12-1 · INTRODUCTION. Weedy rice (WR) is the main competitor in rice growing areas, especially in South East Asia. WR and cultivated rice compete with respect to space, light and nutrients, and this competition affects the yield performance (Azmi et al. 2004).In Malaysia, 30%–50% yield losses have been reported in a direct …
Get Price2020-9-22 · 2nd International Conference on Tropical Resources and Sustainable Sciences 10-11 August 2020, Universiti Malaysia Kelantan, City Campus, Malaysia. Accepted papers received: 23 July 2020. Published online: 22 September 2020. Open all abstracts. , in this issue.
Get Price2019-7-25 · Methods. Crude soluble antigen of E. histolytica was probed with sera of moribund hamsters in 1D- and 2D-Western blot analyses. The antigenic protein was then sent for tandem mass spectrometry analysis. The corresponding gene was cloned and expressed in Escherichia coli BL21-AI to produce the recombinant E. …
Get PriceO nosso laboratório desenvolveu hidrogéis de poliacrilamida reticulada-ADN, um sistema dinâmico de hidrogel, para compreender melhor...
Get PriceMalaysia. Methodology and results: Genomic DNA from unknown bacterial strain (MR1) was extracted and PCR amplification was carried out using universal primers, Fd1 (5’-AGA GTT TGA TCC TGGCTC AG-3’) and rP1 (5’-ACG GTC ATA CCT TGT TAC GAC TT-3’) prior to sequencing. The BLASTn and phylogenetic analysis of the 16S …
Get PriceCollection of selected, peer reviewed papers from the World Virtual Conference on Advanced Research in Materials and Engineering Applications, September 22-26, 2014, Kuala Lumpur, Malaysia. The 196 papers are grouped as follows: Chapter 1: Material Science; Chapter 2: Thermo, Fluid and Flow Research;Chapter 3: Applied …
Get PriceTGA result revealed that the composite is formed at a low temperature of 300 ° C. The as-synthesized composite structure is a mixed of tetragonal (Mn3O4) and orthorhombic (MnO2) phases. SEM-EDX observations demonstrated that the morphology of compound is consisting of manganese oxide substance with very …
Get Price2011-8-25 · After that, 80 μl of Tris-EDTA (TE) was added, followed by phenol-chloroform extraction and then ethanol precipitation. The pellet was dissolved in 8 μl of stop solution (95% formamide, 20 mM EDTA, 0.05% bromophenol blue, and 0.05% xylene cyanol) and loaded onto an 8% urea polyacrylamide gel (7 M) along with …
Get Price2016-3-21 · Thermogravimetric analysis (TGA) analysis showed that the moisture content in purified biopolymer was 6.3%; it was quite stable till 100-200 °C and melted at temperatures higher than 250 °C. It was characterized as schizophyllan by MALDI-TOF-MS and NMR (1 H and proton decoupled 13 C NMR) analysis. The …
Get Price2.2.4 Thermogravimetric analysis (TGA). Approximately 10 mg of puri ed QZ-7 was examined using a TGA analyzer (PerkinElmer TGA 4000) at the temperature range between 50 C and 800 C and at a heating degree of 10 C min 1 in a nitrogen gas ow rate of 20 mL min 1. 2.3 Factors affecting bio occulant performance
Get Price2013-3-15 · TGA conducted on samples showed the four degradation steps as in polyacrylamide and polyacrylic acid, and a similar thermal stability of 10PBR and 20PBR. AFM study revealed that 10PBR had higher surface roughness due to higher anthocyanin concentration on the surface after curing.
Get Price2018-5-24 · Thermal gravimetric analysis (TGA) of samples was studied employing PL-TGA device (UK). The samples were heated from 25°C to 1000°C at heating rate of 10°C·min −1 under a nitrogen purge. To investigate the amount of adsorbate a Varian atomic absorption spectrophotometer was utilized (AA240, USA).
Get PriceO nosso laboratório desenvolveu hidrogéis de poliacrilamida reticulada-ADN, um sistema dinâmico de hidrogel, para compreender melhor...
Get Price2019-3-6 · Thermophilic fungi can represent a rich source of industrially relevant enzymes. Here, 105 fungal strains capable of growing at 50 °C and pH 2.0 were isolated from compost and decaying plant matter.
Get PriceChengjun (Peter) Z. | Houston, Texas, United States | Senior Chemist at Lewco Specialty Products | Specialties: New product development and fabricating processes Polymer synthesis (condensation ...
Get Price2.2.4 Thermogravimetric analysis (TGA). Approximately 10 mg of puri ed QZ-7 was examined using a TGA analyzer (PerkinElmer TGA 4000) at the temperature range between 50 C and 800 C and at a heating degree of 10 C min 1 in a nitrogen gas ow rate of 20 mL min 1. 2.3 Factors affecting bio occulant performance
Get PriceKelantan remains as the highest endemic area in Malaysia for typhoid cases with the incidence rate of 3.29 and 2.8 per 100,000 populations in 2008 and 2010. Salmonella Typhi is the causative pathogen of this illness which transmitted through fecal oral route, causing human is the only known reservoir for this organism.
Get Price2014-4-28 · School of Chemical Sciences and Food Technology, Faculty of Science and Technology, University Kebangsaan Malaysia, Bangi, Selangor 43600, Malaysia. ORCIDs linked to this article El Zowalaty M, 0000-0002-1056-4761 , St. Jude Children's Research Hospital
Get Price2012-5-1 · The molecular mass and purity of the enzymes were estimated using sodium dodecyl sulfate–polyacrylamide gel electrophoresis (SDS-PAGE) with a 10% (w/v) acrylamide gel. Enzyme activity staining (zymogram) was performed using native PAGE as described by Yang et al. [ 35 ] except that the incubation …
Get PriceMalaysia. Methodology and results: Genomic DNA from unknown bacterial strain (MR1) was extracted and PCR amplification was carried out using universal primers, Fd1 (5’-AGA GTT TGA TCC TGGCTC AG-3’) and rP1 (5’-ACG GTC ATA CCT TGT TAC GAC TT-3’) prior to sequencing. The BLASTn and phylogenetic analysis of the 16S …
Get PriceScience of lignocellulosic materials, chemicals, and their applications. Welcome to BioResources! This online, peer-reviewed journal is devoted to the science and engineering of biomaterials and chemicals from lignocellulosic sources for new end uses and new capabilities.
Get PriceOn the characterization of grafted and ungrafted starch, amylose, and amylopectin S. K. Rath, R. P. Singh
Get PriceNuoer Polyacrylamide series for drilling fluid This series contains a variety of modified polyacrylamide with functional groups, it can improve… ann sun 点赞 Yes. we have Solutions and products just we need an opportunities to prove it.
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