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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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Survey and study on yield and quality of patchouli oil in Aceh Barat Daya District, Indonesia based on original area of raw materials, methods and length of distilation N. Arpi; Cut Erika; Dewi Ermaya
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

Patchouli oil from patchouli plant (Pogostemon cablin Benth) is one of important essential oils as a source of Indonesian foreign exchange.  It is about 90% of world patchouli oil from Indonesia (Suara Merdeka, 2006). The objectives of this research were to assess the yield and quality of patchouli oils from four different villages in the sub district of Kuala Batee, Aceh Barat Daya based on the original area of raw material and the method of distillation, also based on length of distillation. The nested design was used in this research with the treatment of two factors combination, with the level of one factor similar but not identical. The treatments were the original area of raw material and the distillation method used in the original area of the raw material (BM1-4), and the length of distillation (5, 6, and 7 hours). Parameter observed were yield, specific gravity, refractive index, alcohol solubility, the concentration of patchouli alcohol, ester number, acid number, and the sensory test on color and clarity.  The results indicated that the original area of raw material and distillation method (BM) had a significant effect on yield, refractive index, clarity, and acid number. The yield was 2.85%-4.5%, and patchouli oil from BM4 and BM2 gave higher yield but lower patchouli alcohol concentration, and clarity. The results also indicated that the longer time of distillation the higher patchouli oil yield, specific gravity, and patchouli alcohol concentration. However, it affected the lower alcohol solubility and clarity, the higher ester number, and the darker color of the patchouli oil. The concentration of patchouli alcohol in this study ranges from 21.36% to 34.03%. Patchouli oil yielded in this research have complied the SNI 06-2385-2006
Rat psychomotor development and apoptotic protein expression in their brains after glucocorticoid treatment Petr N. Menshanov; Anita V. Bannova; Nikolay N. Dygalo
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

A single injection of low-dose dexamethasone on postnatal day 3 resulted in the upregulation of key apoptotic enzyme – active caspase-3 in the rat cortex 120 hours after injection, and was followed by a delayed development of neonatal startle reflex and cliff avoidance reaction, an arrest of body weight gain and reduced spontaneous locomotor activity of pups. A single hydrocortisone administration to neonatal rats was only followed by a short-term delay in body weight gain, with no changes in the levels of active caspase-3 in the cortex and brainstem, as well as with no abnormalities in neurodevelopment. These results evidence for lesser neurotoxicity of natural hormone during neonatal development in comparison with dexamethasone and suggest the possibility that hydrocortisone might be used as a substitution for its synthetic analogue in the perinatal medicine
Rejuvenation and Characterization of Local Rice Germplasm (Orya sativa L.) Under Organic Cultivation Syste . Efendi; . Bakhtiar; Sabaruddin Zakaria; . Syafruddin
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 research was carried out to rejuvenate and evaluate the performances of plant characters of rice genotyps to produce a pure lines that are suitable for organic cultivation method. Thirty genotypes of the selected local rice were conducted to evaluate the phenotype performances under the organic cultivation method. The rice genotypes were utilized in this experiment to evaluate their morpho-agronomic characters under organic cultivation system. Characterization of seed performances of each accession was described and catalogued to identify their accession traits. In addition, genotypic differences and similarities were also characterized and catalogued. Duplicate accessions were eliminated from the same variety or nearly identical variants of a variety. The morpho-agronomic performances of plant height, number of tillers, lifespan, number of panicles, filled grains per spike, 1000 grains weight, grain yield potential, and harvest index were clearly affected by the genotype. The results showed that the genotypes were greatly varied the morphoagronomic performances. , if organic system was applied, it was found that the responses of rice growth and yield of local varieties of Aceh is better than rice varieties cultivated by the national and introduction genotype.
Relationship between personality and coping with stress among undergraduates of Universiti Kebangsaan Malaysia Choong-Yeun Liong; Hui-Ping Yeoh
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

Personality and stress play an important role in our daily life. Stress will bring a positive effect, i.e. as a motivation if we can manage and handle it well. Therefore strategy of coping style is very important when one is under stress. The aim of this study is to explore the relationship between personality type and coping with stress style among undergraduates of Universiti Kebangsaan Malaysia. Specifically, the aim is to find out whether types of personality will affect the coping style when an undergraduate is under stress. This study also investigates the influence of demographic aspects of gender, ethnicity and stream of faculty on the relationship. Data were collected using questionnaires which were distributed to a total of 370 undergraduates from various faculties. Psychological test tools of NEO Five Factor Inventory and Coping Inventory for Stressful Situation were used to determine the personality and coping style of the respondents. The data were analyzed using SPSS. The data analysis techniques include descriptive analysis, reliability analysis, nonparametric correlation and partial nonparametric correlation tests. The results show that there are moderate positive correlations between Conscientiousness and problem-focused coping style, and between Neuroticism and emotion-focused coping style. Besides that, there are significant weak positive correlations between Extraversion and Openness with problem-focused coping style. Nonparametric test shows that Agreeableness and Conscientiousness are different between the genders. Results also show that Extraversion and Conscientiousness personality types, and the Avoidance coping style are significantly different among the ethnics. A few suggestions were also given for further study in the future
The uterine rupture and bladder rupture on a pregnant mother with previous cesarean section after partum management on midwife Dewi Karlina Rusly; Hilwah Nora; Kartini Hasballah
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

A-case report about the process and impact of the vaginal birth after section caesarean in rural on a pregnant woman who has previous cesarean. This is the case of Mrs H, 30 years old in aterm gestational age with singleton intra partum fetal death, previous cesarean section, with suspected uterine rupture. She wasadmitted to RSUZA hospital due to unprogress labour, sent from midwife after failed of labour. In the hospital the catether was inserted and we found hematuria. She had been control for pregnancy in the hospital ofmother and baby for two times and the last 2 weeks was said the baby still in good condition. She was had the previous cesarean 5 years ago on second pregnancy due to unprogress labour and the incision was transversal,and also had the extraction vaccum history for delivered the first pregnancy. She already get information to delivered this third baby in the hospital, but she was coming to midwife due to contraction, and the orificium uretra extrenum was opened 8 cm, so the midwife try to delivered the baby for 1 hour, and because failed, the midwife sent to the hospital. After 3 hours, she was administered to the hospital the opened of orificium uteri was 10 cm and we found hematuria. During the way she was transferring to hospital she feels the movement of the baby was lost. When she administered in hospital the blood pressure was 100/70 mmHg, with the heart rate 100 times/ minute. She was complaints pain in the previous cesarean scar 3 hours later, and lost of fetalmovement since 1 hours ago. On ultrasound examination there was intrapartum fetal death. We decided to do laparotomy exploration due to suspected uterine rupture. On the operation we found 200 cc blood clot inside the layer of peritoneum, and after the peritoneum was cleaned and opened we could see the upper of the fetal head out side the uterus which intrapartum fetal death, with the large uterine rupture along the previous cesarean incision about 12 cm length. We also found the ballon of folley catheter outside the bladder, so weconfirm to urology and also found there was a bladder rupture grade IV with 14 cm lengths on the posterior bladder. After delivered the baby, The uronologist did repair bladder rupture and the bladder was inserted the spolling folley catheter with NaCl 0.9% from the upper bladder for maintenance the drainage of the bladder so it keep clean during in the ward and the folley cateter also inserted from the uretra. The procedure was continued with the obstetrician to do repairation of the uterine rupture. In the ward she was hospitalized for 14 days to maintain the bladder. From this case, we would like to assess the patophysiology of uterine rupture and bladder rupture which cause the mortality and morbidity of mother and baby. The uterine rupture has correlation withlate and false of management of delivery which result in intra partum fetal death and bladder rupture that was explained in this paper.
Efficient Photocatalytic Hydrogen Generation by Pd Modified La-NaTaO3 Nanoparticle Husni Husin
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

The advantage of palladium modified La-doped NaTaO3 (Pd/La-NaTaO3)semiconductor photocatalyst for enhanced hydrogen generation under irradiation at the ultraviolet range has been investigated. The La-NaTaO3 has been synthesized by sol-gel technique. The palladiums are loaded by impregnation of aqueous palladium nitrate solution. The palladium supported of La-NaTaO3 composites are characterized by transmission electron microscopy (TEM), high-resolution HRTEM (HRTEM), and X-ray absorption spectroscopy (XAS). The HRTEM images indicate that Pd nanoparticles (NPs) aredeposited on the surface of La-NaTaO3. Most of the Pd deposits have diameters ranging from 3 to 4 nm. XAS spectra shows that the Pd-La-NaTaO3 absorbance profiles of the pristine and used samples are overlapped with the Pd foil, indicating that oxidation of the fresh and used cocatalyst was identical in nature with that of the palladium foil. Hydrogen production from pure water irradiation with ultra violet (UV) light source is 1.1 mmol g-1h-1 on La-NaTaO3 photocatalysts. The activity of the La-NaTaO3 up to 8.9 mmol g-1h-1 H2 froman aqueous methanol solution are obtained. The hydrogen evolution on the La-NaTaO3 sample can be further increase of 36.49 mmol g-1h-1 or 4.1 times higher by depositing nanosized Pd as a cocatalyst on the surface photocatalyst. The highest hydrogen generation is observed at 0.15 wt% Pd loading. The higher activity of the Pd/tantalates from aqueous methanol solution is attributed to an important suppressing in the electron–hole pairs recombination due to the effect produced by the presence of La in the NaTaO3 structure as well as by the role of methanol acts as hole-trap and Pd like electron-trap.
Social interaction within the village migrant circular pins town of Banda Aceh, Indonesia Rusli Yusuf
Proceedings of The Annual International Conference, Syiah Kuala University - Life Sciences & Engineering Chapter Vol 3, No 3 (2013): Addendum
Publisher : Syiah Kuala University

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Abstract

The research was conducted in Peuniti Banda Aceh, with the objective of identifying and assessing the realization of social integration and social conflicts that occurred among migrants, and among migrant populations "original" Peuniti which is urban slum village (slum areas). To find and assess the influence of regional origin of heterogeneous circular migrants to the possibility of social integration and social conflicts that took place in the process of social interaction. The aim of this study is to know and study the process of adaptation among migrants and between migrants with local residents, furthermore, to know and assess the social and demographic characteristics, education and economic migrants circular. Social and demographic characteristics include: age, sex, marital status and religion. Educational characteristics include: education and skills. Economic characteristics include: type of job, income, working hours and work location. Another important reason for conducting this research is to find and examine the reasons for living in Peuniti circular migrant. The selected respondents are 107 people. Methods of data analysis used method of frequency tabulation and cross tabulation. In addition, to the use of cross tabulation method is to determine the size of the effect caused by the size of the frequency and percentage. The results allegedly embodiment of social interaction is more dominant than the conflict social have a positive relationship between fellow migrants from the same area. There is also a positive relationship between bonds of different areas. Most migrants have education and low skills, age and productive work in the sector informal. Migrant prefers residing in Peuniti for reasons closer to the workplace and ease of transportation and the rent is relatively cheap hostels
The Importance of Chemistry for Nanotechnology Evamarie Hey-Hawkins
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

The paradigm shift from uniform bulk materials towards nanostructured multifunctional materials is essential for future knowledge transfer from fundamental to applied sciences. In nanotechnology, two approaches are employed: “top-down” and “bottom-up”. In the top-down approach, larger assemblies are broken down to smaller units, while the bottom-up approach makes use of atomic or molecular building blocks to construct the desired nanostructures. Chemistry plays a major role in the bottom-up approach by providing progressive building blocks, such as “smart” molecules, that can be combined — preferentially by self-organisation — to create fundamentally new classes of materials. The ultimate goal is to create environmentally friendly, highly efficient, low-cost devices serving multifunctional purposes for a steadily more diversified modern society
Photo-voice as a qualitative research method in nursing and health sciences: A literature review . Asniar; Urai Hatthakit; Wantanee Wironpanich
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

The interest on research methods using photograph and photo-interview has emerged in the last decade. However, some aspects of this method were less explained for further application. This review revealed the state of knowledge of photo-voice in qualitative nursing and health researches in order to provide an updated description on this method. Photo-voice is one of visual research methods to elicit information through participant-produced photographs and photo interview. The objective of this review was to explore the current applications of photo-voice regarding to the terms used, the framework underpinning the researches, the research designs, the concepts explored, the advantages and disadvantages identified and the guideline provided for future use. Based on the literature reviewed, photo-voice has proved its applicability to address sensitive issues and to provide richer data and deeper analysis. This research method could improve the comprehensiveness of the data produced and increase the participation of groups being investigated.The rich visual and narrative data collected by this method are considered appropriate to be applied in exploring the marginalized groups in a way that empower them. This method also opens the chance to involve other disciplines in a research team. Some issues to consider in applying this method are time-consuming and technical limitatiosn, as well as the challenges in maintaining the level of participation. However, the advantages of the method were more prominent, especially in balancing the power in research and empowering the participants. This method was recommended to use in researches conducted in oppressed or marginalized groups for the purpose of empowerment and producing indigenous knowledge of the groups
Isoflavone characters of three soybean varieties under drought stress with application of nitrogen sources Yaya Hasanah; Tengku Chairun Nisa; . Hapsoh; Hamidah Hanum
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

Human interest in soybean greatly increased in recent years due to the positive effects of secondary metabolites in soybean such as isoflavones for human health. Isoflavones are phytoestrogens worked as the antioxidant and chemopreventive agents for estrogenic compounds that can inhibit cellproliferation. Isoflavones also serves to prevent heart damage, osteoporosis and menopause syndrome, prevent prostate cancer, colon cancer and breast cancer. Daidzein, genistein and glycitein are the major isoflavones in soybean. A research about isoflavone charácters of three soybean varieties under droughtstress with application of Nitrogen sources was conducted in green house, Faculty of Agriculture, University of Sumatera Utara. The aim of the research was to study the effect of Nitrogen sources under drought stress on isoflavone characters of three soybean varieties. The experiment used a Factorial  andomized Block Design with three factors and three replications. The first factor was soybean varieties consisted of Anjasmoro, Wilis and Sinabung. The second factor was Nitrogen sources consisted of without N fertilizer application; Urea 50 kg/ha, Bradyrhizobium sp., cow manure 10 t/ha, rice straw compost 10 t/ha. The third factor was soil water content condition namely 50%, 60%, 70 and 80% of field capacity. The parameters observed were isoflavone charcters consisted of genistein, daidzein, glycitein and isoflavone total. The resultshowed that Anjasmoro variety had the genistein, daidzein, glycitein and isoflavone total contents of soybean higher than Wilis and Sinabung. The application of Nitrogen sources increased the genistein, daidzein, glycitein and isoflavone total contents of soybean compared without application of Nitrogensources. There is a distinct pattern in the increase in the isoflavone total content in Anjasmoro, Wilis and Sinabung with increasing the drought stress. At Anjasmoro variety, increasing drought stress caused the elower of isoflavone total content, while the varieties Sinabung and Wilis are the opposite pattern

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