17 Articles Published

1. ISOLATION OF ß-ASARON COMPOUND FROM SWEET FLAG RHIZOME (ACORUS CALAMUS L.) USING CHROMATOTRON METHODS

Authors: AHMAD NAJIB , SUCI NOVIYANAH ANSARY , VIRSA HANDAYANI

Abstract: Research on isolation of β-asaron compound from Sweet Flag rhizome Acorus calamus L.. The aims of this research are to isolate and to identify mayor compound β-asaron from Sweet Flag rhizome Acorus calamus L.. Sample from 150 gram dried rhizome, mascerated using n-hexane producing 4,22 grams thick extract. Isolation of n-hexane extract Sweet Flag rhizome Acorus calamus L. carried out by chromatotron methods using a comparison of eluen n-hexane : etil acetat (9:1). The isolate identified by UV-Vis spectroscopy, IR spectroscopy, and Gas Chromatography Mass Spectro. From the data result show that isolate is β-asaron.

Keywords: Acorus calamus L., β-asaron, chromatotron, isolation, Sweet Flag rhizome

Pages: 1 - 4 | DOI: 10.15224/978-1-63248-097-2-18

2. A HAZARD-RANKING SYSTEM FOR PESTICIDES USED IN GREEK AGRICULTURE BASED ON THEIR ADVERSE HEALTH EFFECTS.

Authors: CHRISTOS NIKOLAIDIS , EKATERINI CHATZAKI , EVANGELIA NENA , MAKRINA KARAGLANI , MARIA CHATZAKI , MARIA PANAGOPOULOU , THEODOROS C. CONSTANTINIDIS

Abstract: Laccases are a part of the group of multicooper-containing oxidases, which in the last decades are object of intensive study due to their broad substrate specificity. Polycyclic aromatic hydrocarbons (PAHs) are a class of hazardous organic compounds which are abundant in the environment. Fluorene is a PAH, which is very toxic to aquatic organisms, causing long-term adverse effects in the aquatic environment. In the present study laccase production of Trametes versicolor was significantly enhanced by 2-methoxyphenol as inducing compound in the cultural media. Removal of fluorene was performed with crude laccase after the process of induction. The removal efficiency at the end of the process was 0.37 at 25ºC and 0.98 for the process at 37ºC. Laccase was isolated, purified and modified by using linear-dendritic-linear block copolymers. Spectral analysis show significantly more effective process of oxidation of fluorene by modified in comparison with the unmodified one.

Keywords: Laccase, fluorene, oxidation, Trametes versicolor

Pages: 10 - 12 | DOI: 10.15224/978-1-63248-097-2-20

3. CONDITION ASSESSMENT OF HV ISOLATOR USED IN HIGH VOLTAGE SUBSTATIONS BY THERMAL METHOD

Authors: RAKESH K G , VISWANATHA C

Abstract: Conservation of Energy and Reduction of Energy losses requires condition monitoring and optimum utilization of substation equipments, in which HV Isolators are important component. Characteristics of thermal, mechanical, electrical environmental are all inter related in an electrical apparatus. So and so with respect to electrical isolator /disconnector which is widely employed in electrical network of power system. The isolator is a device to make or break electrical network at intended locations in the electrical lines. The mechanical operation is essential for proper functioning to connect or disconnect the circuit at planned time with safety and optimal performance. The mechanical operation is governed by proper thermal expansion and contraction of conductors present at fixed assembly and movable assembly. In this aspect it is imperative that isolator/ disconnector functions efficiently both by thermal and mechanical aspects besides electrical insulation co-ordination. In this back

Keywords: Isolator/ disconnector, electrical equipment, temperature, thermal performance, thermal mapping, electrical network

Pages: 13 - 18 | DOI: 10.15224/978-1-63248-097-2-21

4. NON-INVASIVE DETECTION OF LMP-1, LMP-2 (EPSTEIN-BARR LATENT MEMBRANE PROTEIN) LOAD IN THE DIAGNOSIS OF NASOPHARYNGEAL CARCINOMA IN VIETNAMESE POPULATION BASED ON NASOPHARYNGEAL BRUSHING SAMPLES

Authors: BUI THI DUONG ANH , HO TA GIAP , LAO DUC THUAN , LE HUYEN AI THUY , LUONG BAO DUY , NGO DONG KHA , NGUYEN HAI CHAU , NGUYEN HOANG ANH TUAN , NGUYEN HUU DUNG , TRAN NGOC QUYNH

Abstract: In Vietnam, there have been reported to be highly incident cancer of nasopharynx. Epstein-Barr virus (EBV) have been considered to be mainly associated with nasopharyngeal carcinoma (NPC), in which EBV-encoded latent protein 1, 2 (LMP-1, LMP2) were found to be important factor target to NPC development. Thus, it is important to explore whether a non-invasive method could be applicable to screen and early diagnosis of NPC. In current study, NP (nasopharyngeal) and non-NP brushing samples were collected consecutively from participants when they underwent NP biopsy at Cho Ray Hospital, HCMC, Vietnam. PCR assay were used to detection of LMP-1, LMP-2 and T-test statistical analysis were used to analyze its diagnosis value. NP-brushing samples from NPC patients showed frequency of 45.00% and 60.00% for LMP-1 and LMP-2, respectively. Conversely, none of any cases of non-NP brushing samples were found to be positive to target both/individual genes. Virtually, in combination of both two genes,

Keywords: non-invasive, LMP-1, LMP-2, nasopharyngeal carcinoma, NP brushing sample, Vietnamese population

Pages: 19 - 22 | DOI: 10.15224/978-1-63248-097-2-22

5. PROJECTION OF EXTREME TEMPERATURE AND PRECIPITATION AND THEIR IMPACTS ON WATER RESOURCES IN DONG NAI RIVER BASIN AND VICINITY – VIET NAM

Authors: TRAN THUC , TRUONG THI THU HANG , VU HAI SON , VU THI VAN ANH

Abstract: Extreme climatic events in Viet Nam are expected to increase in both frequency and intensity due to climate change. Extreme temperature and rainfall are projected by using Regional Climate Model (RCM) CCAM to dynamically downscale from 5 Global Climate Models (GCMs) for scenarios RCP8.5 and RCP4.5, in the 21th century and their potential impacts on water resources in Dong Nai river basin and vicinity areas. The result shows a significant rise of daily maximum and minimum temperature compared with the based period, especially in Vung Tau station. Number of days with maximum temperature above the 90th percentile and 35°C tends to increase, higher rate in higher average temperature stations. Number of days with minimum temperature exceeding 90th percentile also increases evenly across all stations. Although maximum 1-day, 3-day, 5-day precipitation at all other stations are in the upward trend, the changes in Bao Loc and Phan Rang station are unclear. It is supposed that this projection o

Keywords: Extreme climatic events, dynamical downscaling, water resources, Dong Nai river basin and vicinity areas.

Pages: 23 - 27 | DOI: 10.15224/978-1-63248-097-2-23

6. STRUCTURAL EQUATION MODELLING AS INSTRUMENT FOR WATER POLLUTION FACTOR ANALYSIS STUDY CASE ON SURABAYA RIVER, INDONESIA

Authors: ADAM RUS NUGROHO , ALI MASDUQI

Abstract: Structural Equation Modelling (SEM) as a manifestation of multivariate analysis studied to be used as an instrument for decision making in factor analysis of water pollution. Variance based SEM could help with variables of water pollution which consists of qualitative and quantitative variables. Linear structural equation model obtained as a result of the study shows the contribution level among pollution factors. T-statistic values obtained by doing bootstrap model resample show the significances of pollution factors. Study resulted on conclusion that variance based Structural Equation Modelling (SEM) using Partial Least Square method (PLS-SEM) is sufficient enough to help decision making related to water pollution factors.

Keywords: factor analysis, structural equation modelling, water pollution

Pages: 28 - 32 | DOI: 10.15224/978-1-63248-097-2-24

7. DETERMINATION SPECIFIC EMISSION FACTOR FROM INDUSTRIAL SECTOR FOR ESTIMATING CARBON FOOTPRINT AND MAPPING IN SUMENEP DISTRICT-EAST JAVA

Authors: JONI HERMANA , QORRY NUGRAHAYU , RACHMAT BOEDISANTOSO

Abstract: The value of carbon footprint of industrial sector is 1692,60 ton CO2/year. The SEF of industrial sector are 0,229 ton CO2/year.ton production for food industry, 0,039 ton CO2/year.unit for metal industry (keris) and 0,00258 ton CO2/year.unit for mineral products non metal industry (roof-tile). In environmental aspect, the best scenario for industrial sector is scenario 1 because it can decrease karbon emission 47,7% than existent CO2 emission. In legal aspect, the government of Sumenep district should has regulation about using LPG (Liquid Petroleum Gas) for industrial sector which refers to “President Regulation of the Republic of Indonesia No. 104 Year 2007” about on provision, distribution and pricing of Liquefied Petroleum Gas 3 kg”.

Keywords: Industry, Carbon Footprint, CO2 emission, Specific Emission Factor, Sumenep District

Pages: 33 - 35 | DOI: 10.15224/978-1-63248-097-2-25

8. MANNITOL AND PROLINE ACCUMULATION IN LYCOPERSICUM ESCULENTUM DURING INFECTION OF ALTERNARIA ALTERNATA AND ITS TOXINS

Authors: ANDLEEB ZEHRA , MANISH KUMAR DUBEY , MUKESH MEENA , R. S. UPADHYAY

Abstract: Mannitol is important in pathogenesis to counteract antioxidant defences induced in both plant and animal hosts. Proline accumulation in plants under stressed conditions causes the activation of proline biosynthesis. Both mannitol and proline are scavengers of ROS and play an important role in host-pathogen interaction by allowing the fungus to suppress ROS mediated plant responses. The aim of this study was to characterize the effect on mannitol production and proline accumulation during infection of Alternaria alternata and its toxins with tomato plant leading to cell damage or death. Alternaria alternata was isolated from a naturally infected tomato plant and characterized by molecular techniques using PCR amplification. The production of mannitol in plant tissues infected with the pathogen and its toxins were observed and confirmed by using TLC and HPLC analysis that mannitol being produced in plant infected tissues but not in the healthy plant tissues. Proline content also increas

Keywords: Alternaria alternata; Reactive Oxygen Species (ROS); Tenuazonic Acid (TeA); Alternariol (AOH); Mannitol; Proline

Pages: 36 - 40 | DOI: 10.15224/978-1-63248-097-2-26

9. DETERMINATION OF BREAKTHROUGH CURVES FOR THE UPTAKE OF FE3+ USING MAGMATIC ROCK MATERIAL IN FIXED BED COLUMN

Authors: ALPER NUHOGLU , ENSAR OGUZ

Abstract: The breakthrough curves of the particles of magmatic rock to uptake Fe3+ ions from aqueous solution were investigated using a fixed-bed sorption column. The effect of inlet Fe3+ concentration, feed flow rate, bed height, initial solution pH and particle size on the breakthrough characteristics of the sorption system were investigated. The highest experimental bed capacities for Fe3+ ions was obtained to be 3.65 mg.g-1 at inlet Fe3+ concentration of 75 ppm, bed height of 5 cm and flow rate of 5 mL.min-1, pH of 5 and particle size of 0.25-0.5 mm, respectively. The results indicated that magmatic rock material is a suitable sorbent for the uptake of Fe3+ ions from an aqueous solution.

Keywords: Magmatic rock, Fe+3. Fixed bed, Flow rate and Bed Depth

Pages: 41 - 45 | DOI: 10.15224/978-1-63248-097-2-27

10. COMPOST-BASED ACTIVATED CARBON ANALYSIS AS A FILTER OF WASTE-WASHING WASTEWATER TREATMENT IN COMPOST-ADSORPTION REACTOR

Authors: A.FAUZAN , FAJRI M. IRESHA , G. M. I. AFIATA , SUNARTRIASIH , ZAHRA A. SYAHIDAH

Abstract: The approach of this paper is to give evidence that compost, commonly produced by organic waste treatment, can be further utilized and treated as a precursor of activated carbon for Waste-Washing Wastewater treatment. The inorganic waste treatment generates harmful Waste-Washing Wastewater as by-product which is unreliable to total zero waste term in the integrated solid waste management. The Application of Compost-Based Activated Carbon is as filter for contaminant adsorption to be made as Compost Adsorption reactor for optimum treatment. The results show that Compost Adsorption treatment has a very good efficiency of high-turbidity removal and allows phosphate removal

Keywords: total zero waste; compost-based activated carbon; waste-washing wastewater treatment

Pages: 46 - 50 | DOI: 10.15224/978-1-63248-097-2-28

11. KINETICS AND ISOTHERM MODELS OF CU++ BIOSORPTION BY BIOMASS OF HELIANTHUS ANNUUS

Authors: ENSAR OGUZ

Abstract: The kinetics of biosorption of Cu++ ions by biomass of Helianthus Annuus was found fast, and reached equilibrium in 20 min and followed pseudo-second order rate equation. To evaluate the biosorption equilibrium, four isotherm models were fitted to experimental data. The best model was determined by taking into account correlation coefficient (r2) and Average Percentage Error (APE). The best adjustment from two parameter isotherms was observed to be the D-R (r2 0.973, APE % 1.60). The mean energy of biosorption was calculated as 12.69 kJ mol−1 from the D-R biosorption isotherm. Activation energy (Ea) of the biosorption was determined as 8.56 kJ mol-1. Thermodynamic parameters such as ∆H°, ∆S° and ∆G° were calculated from the slope and intercept of linear plot of lnKD versus 1/T.

Keywords: Copper (II), Isotherm, Helianthus Annuus, Thermodinamic, Biosorption

Pages: 51 - 55 | DOI: 10.15224/978-1-63248-097-2-29

12. EVALUATION OF TIO2 DERIVED MESOPOROUS SPHERICAL PHOTOCALYSTS FOR THE OXIDATION OF INDUSTRIAL WASTE WATER TREATMENT PROCESS

Authors: KYUNG-HAN KO , MYUNG-HAN KO , SUMMOOK LEE , TAE-HO YOON

Abstract: This paper mainly discussed the performance of photocatalysts which are prepared cation exchange resin and TiCl3 precursor via heat treatment process to enhance their photocatalytic potentials. The morphology and size of TiO2 photocatalyst was well ordered spherical shape and average diameter of 0.30 ~0.45 mm with well dispersed by TiO2 on the surface of spherical activated carbon. TiO2 supported on spherical activated carbon contains two different phases; anatase (83%) and rutile (17%). The TiO2 photocatalyst had high specific surface area of 1,649 m2/g and high total pore volume of 1.61 cm3/g. Adsorption characteristics and photocatalytic activity of TiO2 photocatalyst were evaluated by the removal of humic acid from waste water model aqueous solution. Catalyst dosage, initial humic acid concentration, and coexisting ions have influences on the photocatalytic degradation of humic acid. The degradation of humic acid by meso-TiO2/SAC was dependent on catalyst dosage, initial its concen

Keywords: photocatalysts, degradation of organic compound, nano porous materials, waste water treatment

Pages: 56 - 60 | DOI: 10.15224/978-1-63248-097-2-30

13. OIL SPILL CLEAN-UP FROM SEA WATER USING WASTE CHICKEN FEATHERS

Authors: AUGUSTINE OSAMOR IFELEBUEGU , PRECIOUS CHINONYERE

Abstract: Oil spill is a major environmental disaster that has continued to plague the petroleum industry. After the 2010 Deepwater Horizon spill, there has been an increase in research on the uses of low cost environmentally sustainable options for spill clean-up. The use of low-cost sorbents is considered a cost-effective and environmentally friendly. With over 5 million tonnes of waste chicken feathers generated annually around the globe, the management of the solid waste is an enormous challenge. In this paper, we examine the adsorptive removal of different oil types from sea water using waste chicken feathers. The adsorption properties were investigated in batch adsorption experiments using crude oil, vegetable oil and diesel fuel. The maximum adsorption capacities were 7694 mg/g, 6059 mg/g and 4097 mg/g for vegetable oil, crude oil, and diesel fuel respectively. The adsorption kinetics varied inversely with increasing temperatures and was better described by the pseudo-second-order kinetic

Keywords: oil, oil spills, sorption, chicken feathers

Pages: 61 - 64 | DOI: 10.15224/978-1-63248-097-2-42

14. AN EVALUATION OF THE REMOVAL OF PROGESTERONE IN WASTEWATER BY ADSORPTION ONTO WASTE TEA LEAVES

Authors: AUGUSTINE OSAMOR IFELEBUEGU , NOBLE E. ONWUGBUTA

Abstract: The removal of endocrine disrupting chemical progesterone by adsorption onto waste black tea leaves was investigated in laboratory-scale experiments. The removal efficiency was compared with the widely used granular activated carbon (GAC). The performance of waste black tea leaves for the adsorption of progesterone was found to be comparable to conventional GAC. The maximum adsorption capacities for tea leaves and GAC were 1.8 mg/g and 1.4 mg/g respectively. The values for the thermodynamic parameters associated with sorption of progesterone onto tea leaves were Gibb’s free energy (-6.0 KJ/mol), enthalpy (-3.7 KJ/ mol) and entropy (8.0 J/mol K), indicating that the sorption process was favorable, spontaneous and involved physical adsorption held by Van der Waal forces. The adsorption was guided by diffusion within the pores of the tea leaves.

Keywords: Adsorption, GAC, Progesterone, Black Tea Leaves

Pages: 65 - 69 | DOI: 10.15224/978-1-63248-097-2-43

15. CLEANING PERFORMANCE OF MEGASONIC MULTI-FREQUENCY OPERATING IN THICKNESS MODE TRANSDUCERS

Authors: M.J. GOODSON , T. SEBASTIAN , TERRY LIM , VETRIMURUGAN

Abstract: A multi-frequency megasonic system (360/470 kHz) with thickness mode transducers was developed to remove the nano-dimensional and sub-micron particles more effectively from various surfaces and the results obtained are compared with the conventional megasonic system operating with only single frequency. The multi-frequency transducers are piezoelectric transducers operating in thickness mode at different operating frequencies. To assess cleaning ability, the maximum cleaning potential tests were performed and almost 30% cleaning improvement was achieved as compared to 470 kHz and almost 4% improvement was achieved as compared to 360 kHz megasonic system operating with thickness mode transducers for the parts tested. Uniformity of the multi-frequency megasonic cleaning system was measured using ppbTM probe. The results revealed that the cavitation activity was more uniform throughout the entire cleaning system even at the edges and corners of the system employing multi-frequency. The un

Keywords: multiple megasonic frequency, megasonic sweeping, thickness mode transducers, cavitation intensity, particle removal, nano, sub-micron

Pages: 70 - 75 | DOI: 10.15224/978-1-63248-097-2-44

16. DETECTION AND HAPLOTYPE ANALYSIS OF DEFECTIVE APOLIPOPROTEIN B-100 R3500Q MUTATION IN FAMILIAL HYPERCHOLESTEROLEMIA IN VIETNAMESE PATIENTS BY AS-PCR (ALLELE SPECIFIC PCR)

Authors: LAO DUC THUAN , LE HUYEN AI THUY , TRUONG KIM PHUONG

Abstract: Familial defective Apolipoprotein B-100 (Apo B-100) was caused by the R3500Q mutation of the Apo B gene resulting in a glutamine substitution for the arginine residue, consequently, decreased binding of LDL to the LDL receptor. In current study, a total of 40 blood samples were collected from hyperlipidemia, which were confirmed by the concentration of cholesterol over 5.2 mmol/L. AS PCR (allele specific PCR) was carried to analyze the R3500Q mutation, then, confirmed by PCR sequencing. As the results, 27 of 40 (counting for 67.50%) cases were identified being R3500Q mutation. In which, the prevalence of heterozygote and homozygous in this selected population was 25 of 27 (counting for 92.59%), and 2 of 27 (counting for 7.41%), respectively. By PCR sequencing, results were totally according to results of AS PCR analyzation. Giving clearly evidence, two peaks were observed corresponding to two alleles, one allele sequence is G and another is A, that concluded as heterozygote (G→A transi

Keywords: ApoB, ApoB-100, familial hypercholesterolemia, haplotype R3500Q, Vietnamese population

Pages: 76 - 79 | DOI: 10.15224/978-1-63248-097-2-46

17. BIOEHANOL PRODUCTION FROM BULRUSH WITH A COMBINATION OF CHEMICAL AND BIOLOGICAL PROCESS

Authors: SARI NI KETUT

Abstract: Bulrush is a plant that is available abundantly however it has not been utilized well. During this time, it was utilized just as animal feedstock, even it is considered as weeds. Bulrush has cellulose, glucose, and starch content that can be used as material of ethanol production. This research was aimed to review hydrolysis process, fermentation process, batch distillation process, and search for alternative material for bioethanol production. In bioethanol making process, three processes were done such hydrolysis process biologically by using enzyme and chemically by using HCl.While fermentation process used Saccharomyces Cerevisiae and batch distillation. After those three processes were done, high level of bioethanol content was obtained in 95%-96% and it could be concluded that bulrush can be used as alternative material of bioethanol production.

Keywords: bioethanol, bulrush, hydrolysis, fermentation, batch distillation

Pages: 6 - 12 | DOI: 10.15224/978-1-63248-136-8-22