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Proceedings of Annual International Conference Syiah Kuala University - Life Sciences & Engineering Chapter
Published by Universitas Syiah Kuala
ISSN : -     EISSN : -     DOI : -
Core Subject : Education, Engineering,
Engineering Other
Arjuna Subject : -
Articles 402 Documents
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Numerical Simulation for Scenario Based Volcanic Hazard Assessment (VHA) at Seulawah Agam Volcano, Aceh, Sumatra Muhammad Syukri; Amir Fauzi; . Fashbir; . Irwandi
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 2, No 2 (2012): Engineering
Publisher : Syiah Kuala University

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Abstract

Seulawah Agam is an active volcano with high 1,810 m located at 5.448°N 95.658°E and close to the capital of Aceh province densely populated. Following Sumatra-Andaman earthquake 26 December 2004, Sumatra Island has increased not only seismicity but also volcanic activity. On the other hand, Sinabung volcano categorized as inactive volcano, but beyond expectations on the 3rd September 2010 experienced eruption and the closest volcanic eruption location to Seulawah Agam volcano. Meanwhile, in 1 September 2010, Seulawah Agam categorized as active volcano was alert to level 2. We cannot predict what happens in future to the Seulawah Agam volcano, but we can provide volcano hazard assessment as important step for mitigation procedure. This paper introduces numerical study for volcanic eruption and integrated with a GIS-based tool for volcanic hazard assessment VORIS (VOlcanic Risk Information System) which develop by Alicia Felpeto.  This model investigate scenario based volcanic eruption for ash fallout, PDC (pyroclastic density currents), and lava. Digital elevation model (DEM) from SRTM (Shuttle Radar Topography Mission), meteorological data from NOAA, and geological study are used in this model. In the statovolcano mountain four geothermal manifestations appeared, such as: Fumarol Simpago, crater Heutz, ground steam Ie-Jue, and hot spring Ie-Suum. In this numerical simulation, we consider the location as potential eruption vent to produce erupted material. Wind velocity data at 3rd January 2012 and 1 July 2012 above the summit is selected to represent wet and dry season condition for scenario based ash fallout. Further, the simulation show the ash fallout is possible to reach Banda Aceh and potentially disrupt flight at Sultan Iskandar Muda Air port. Lava flow simulations are only depending on topography data (DEM) and applying some parameter for maximum flow length 5 km. The Simulation resolution depend on DEM data (90m) which produce more precise then volcanic hazard map produce by Center of Volcanology and Geological Hazard Mitigation, Bandung (CVGHM) and more reasonable with topography slope of mountain at southern part and northern part. Furthermore, PDC simulations are conducted scenario for height eruption column (starting point of the flow) 20m dan 200m. The simulations show PDC can be reach longer location until Banda-Aceh Medan Highway compare then CVGHM map.  This preliminary research should be developed to apply high resolution DEM and using adequate method for estimation eruption parameters. This method will be potential to provide more precise volcano hazard assessment for others volcano in Indonesia
A snapshot of woody plants composition in Byram permanent mangrove forest reserve Wan Nur Fasihah Zarifah Binti Wan Rozali; M. Asyraf
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 2, No 1 (2012): Life Sciences
Publisher : Syiah Kuala University

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Abstract

The term mangrove may refer to an ecosystem or individual plants where the distribution of woody plants usually influenced by climate, water salinity, tides, type of soil in the mangrove swamps and environmental activities including development, housing and industrial. Thus only a certain species that can survive under this extreme condition. A study had been conducted in Byram Permanent Mangrove Forest Reserve to provide baseline information on the distribution pattern of plant growth in mangrove area. The main objective of this study is to determine the composition and the distribution pattern of true-mangrove woody plant species. To assess the species composition, the forest reserve nearest to the sea, which run approximately 2.0 km, parallel to the sea, was divided into three main sections (i.e. 600 m each section with a minimum 50 m wide border between the sections). Species enumeration was conducted in 11 plots, where each plot size is 10m x 10m. In general these plots were established in random stratified manner, from the sea towards the terrestrial part of the mangrove forest. In total, we recorded 290 of individual woody plants. The most abundant species in term of occurrences within all zones and forest section is Bruguiera parvifolia.
Barrier for psychologist’s provision of service Lely Safriana
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 5, No 2 (2015): Life Sciences
Publisher : Syiah Kuala University

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Abstract

Not only because most mental health programs ended, but also the need of Aceh people to independently handle mental health in the future the psychology department of Syiah Kuala University was established in 2007. To continue mental health community services in CHCs, lecturers who are also psychologist provided services for almost 5 years. Although there is an urgent need for psychologist services in CHCs, the services were stopped. This research has sought to develop understanding into the experiences of those volunteer psychologists who provide mental health care services in CHCs in Banda Aceh in order to gain knowledge for the improvement community mental health provision in Aceh. A qualitative design based on a thematic analysis approach was used for data collection and analysis. A small group of voluntary Clinical Psychologists working in Aceh were interviewed. Psychologists in this research highlighted how a lack of understanding of mental health issues among health authorities has impacted on their capacity to provide psychological services to the community in Aceh.
Inhibition of Salmonella sp. Growth in Comparison with Antibiotics and Pineapple (Ananas comosus) Squeeze Masda Admi; Erina Erina; Azhari Azhari; Ummu Balqis; Muhammad Hambal; Darmawi Darmawi
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 5, No 2 (2015): Life Sciences
Publisher : Syiah Kuala University

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Abstract

The purpouse of this study to examine antibiotics inhibition growth of Salmonella sp. isolated from feces of broiler chickens to chloramphenicol, gentamicin, and tetracycline in coparison with pineapple squeeze. Swab  sample  from  broiler  chicken  cloaca  was  cultured  to  nutrient  broth  media  and incubated at 37°C temperature for 24 hours. Culture was compared with Mc Farland 3 standardization, and separated on surface of Muller Hinton Agar (MHA). Antibiotic sensitivity was tested by mean of  chloramphenicol, gentamisin, and tetrasiklin in coparison with pineapple squeeze. The antibiotic disks (Oxoid) were put on the surface of MHA media which had inoculated with Salmonella sp. bacteria. Antibiotic sensitivity was determined based on formation of inhibition zone in surrounding of antibiotic disc. The result showed that Salmonella sp. bacteria growth was inhibited in ≥ 21 mm and ≥ 18 mm, ≥ 7 mm and ≥ 9 mm against chloramphenicol, gentamisin, tetrasiklin, and pineapple squeeze respectively. This research concluded that the Salmonella sp. cultured in this manner were sensitive to chloramphenicol and gentamisin. The inhibition growth of Salmonella sp. caused by chloramphenicol and gentamicin was significantly higher in comparison with pineapple (Ananas comosus) squeeze, meanwhile the Salmonella sp. bacteria was resistance against tetracycline. Our result suggest that both antibiotics chloramphenicol and gentamicin were recommended for antibiotic therapy in Salmonella sp. infection.
Frequency of use minute concentrations of cadmium in aqueous solution by near infrared spectroscopy and aquaphotomics Hesti Meilina; A. Putra; R. Tsenkova
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 1, No 2 (2011): Engineering
Publisher : Syiah Kuala University

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Abstract

Cadmium (Cd) is a common industrial pollutant with long biological half-life, which makes it a cumulative toxicant. Near-infrared spectroscopy has been successfully used for quick and accurate assessment of Cd content in agricultural materials, but the development of a quick detection method for ground and drinking water samples is of equal importance for pollution monitoring. Metals have no absorbance in the NIR spectral range, thus the methods developed so far have focused on detection of metal-organic complexes. This study uses Aquaphotomics to measure Cd in aqueous solutions by analyzing the changes in water spectra that occur due to water-metal interaction. Measurements were performed with Cd (II) in 0.1 M HNO3, in the 680-1090 nm (water second and third overtones) and 1110-1800 nm (water first overtone) spectral regions, and were subjected to partial least-square regression analysis. A concentration of Cd from 1 mg L-1 to 10 mg L-1 could be predicted by this model with average prediction correlation coefficient of 0.897. The model was tested by perturbations with temperature and other metal presence in the solution. The regression coefficient showed consistent peaks at 728, 752, 770, 780, 1362, 1430,1444, 1472/1474 and 1484 nm under various perturbations, indicating that these water absorbance changes were due to Cd presence. The residual predictive deviation values (RPD) were greater than 2, indicating that the model is appropriate for practical use
Infiltration of inflammatory cells in intestines of chickens infected naturally by Ascaridia galli Muhammad Hambal; Ummu Balqis; . Darmawi; Cut S. Utami
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 3, No 1 (2013): Life Sciences
Publisher : Syiah Kuala University

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Abstract

This research was carried out to investigate the infiltration of inflamatory cells in the intestines that were naturally infected by Ascaridia galli. Ten intestines were obtained from wet market in Banda Aceh. Inflamatory cells were assayed by in situ jejunal mast cell counts in stained histological sections of the duodenum, jejunum and ileum, of which histologic slides were made. Duodenum, jejunum and ileuminfected by Ascaridia galli showed hyperemia, and inflammatory cell infiltration in part of A. galli infection
Analaysis of The Effect of Relative Humidity in The Eggs Incubator Mohd. Isa T. Ibrahim; Ahmad Syuhada; . Hamdani
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 2, No 2 (2012): Engineering
Publisher : Syiah Kuala University

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Abstract

This study aimed to verify the effect of relative humidity during incubation ofduck eggs in the incubator on the rate of decline in egg weight, hatching day old duck weight, length and hatching eggs energy difference duck. Duck eggs taken from the poultry business in Meunasah Krueng, water fence, Lambaro, Aceh Besar. Then each egg was placed in an incubator unit in the three experimental groups, namely low humidity (57/58% RH), intermediate humidity (67/68% RH) and high humidity (71/72% RH). Incubation process done manually with temperature 38 oC incubator. Eggs were coded X and O adjacent to facilitate marking a reversal in current twice a day. Primary data retrieval from the first day until the fifteenth day by weighing the eggs and using electronic scales. Changes in egg weight reduction on the fifteenth day following (10.666%), (3.853%) and (2.859%) for the treatment of low humidity, intermediate andhigh, then the day of hatching eggs weigh hatching day old duck also showed that the weight is also affected by incubation and humidity differences by ANOVA analysis it can be concluded that the changes in egg weight reduction greatly influence the hatching duck weight difference and the difference so long incubation energy hatching day old duckling have more energy at low humidity (57/58% RH).
Effect of biochar and compost application on kailan yield (Brassica oleraceae) Finda Novrian; Mardhiah Hayati; . Zaitun; . Chairunas
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 2, No 1 (2012): Life Sciences
Publisher : Syiah Kuala University

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Abstract

The objective of experiment was to study effect of biochar and compost application on the best yield of kalian.  The research was conducted at Field Experiment of Provincial Agricultural Service (BPTP), Aceh Province.  The experimental arranged in a randomized complate block design with two factors and four replications.  Biochar consisted of two levels, i.e. without biochar and with biochar 30 ton ha-1. Compost consisted of two levels, i.e. without compost and compost 30 ton ha-1.  The result showed that biochar application affected significantly to stem diameter 7 DAP and not significant to number of leaves and plant height 7, 14, 21, 28 DAP, stem diameter 14, 21, 28 DAP, the 6th of length and width leaf and plant fresh weight.  Compost application affected significantly to number of leaves 14 DAP and the 6th of length leaf; and highly significant to number of leaves 7, 21, 28 DAP, plant height 7, 21, 28 DAP, stem diameter 7, 14, 21, 28 DAP, the 6th of width leaf and plant fresh weight, but not significant to plant height 14 DAP.  There was significantly interaction between biochar and compost application to stem diameter 7 DAP.  There were not interaction to number of leaves and plant height 7, 14, 21, 28 DAP, stem diameter 14, 21,28 DAP, the 6th of length and width leaf and plant fresh weight.
Measurement of cement’s particle size distribution by the buoyancy weighing-bar method Rondang Tambun Tambun; Nofriko Pratama; . Ely; Farida Hanum
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 5, No 1 (2015): Engineering
Publisher : Syiah Kuala University

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Abstract

One of the important characteristics of cement quality is particle size distribution. There are several simple methods to measure the particle size distribution of cement based on the Stokes diameter, like Andreasen pipette method, sedimentation balance method, centrifugal sedimentation method, etc. A major disadvantages of these methods are they are time consuming process and require special skills. Particle size distribution also can be analyzed by using a different principle through microscopy, laser diffraction/scattering methods and Coulter counter method. Even these methods produce highly accurate results within a shorter time, however, the equipments are expensive. In the present study, it has developed a new method to overcome the problem. The method is the buoyancy weighing-bar method. This method is a simple and cost-effective. The principle of the buoyancy weighing-bar method that the density change in a suspension due to particle migration is measured by weighing buoyancy against a weighing– bar hung in the suspension, and the particle size distribution is calculated using the length of the weighing-bar and the time–course change in the the apparent mass of the weighing–bar. This apparatus consists of an analytical balance with a hook for underfloor weighing, and a weighing–bar, which is used to detect the density change in suspension. The result obtained show that the buoyancy weighing–bar method is suitable for measuring the particle size distribution of cement, and the result is comparable to that of determined by settling balance method.
Success of vaginal deliveries among women in labor with previous cesarean section: Analysis of 50 cases Eva Febia; Jimmy Toga Sitorus; Cut Meurah Yeni
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 1, No 1 (2011): Life Sciences
Publisher : Syiah Kuala University

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Abstract

This study was purposed to evaluate the success of vaginal deliveries after cesarean (VBAC). This case-series-study was conducted in Zainoel Abidin and Ibu dan Anak  Hospital, as referral and teaching Hospitals, Faculty of Medicine Universitas Syiah Kuala, Banda Aceh, from January until October 2011 with descriptive analytic method. The outcomes were the success of VBAC. There were 50 subjects attempted VBAC. From 50 subjects who attempted VBAC, 45 subjects (90%) were succeed in vaginal delivery, 5 subjects (10%) were unsuccessful and had to undergo emergency C-Section. The parameters which were likely to contribute to the success of vaginal delivery in subjects who attempted VBAC were gestational age less than 40 weeks, the progress of cervical dilatation of less than 1 cm in 60 minutes, more ripened cervix on the labor. Parameters such as lower baby’s weight and history of vaginal delivery also result in the success of VBAC. Gestational age, Bishop score, and the progress of cervical dilatation contributed to higher success of VBAC. 

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