Surabaya, Indonesia
Surabaya, Indonesia

Universitas Airlangga is the second-oldest and one of the most prestigious university in Indonesia. Located in Surabaya, East Java, this university was established in 1948 as a distant branch of University of Indonesia, with roots dating back to 1913. It started with a medical school and school of dentistry. At present day, Universitas Airlangga is a prestigious university with an entrepreneurial focus that hosts 13 faculties with more than 24,143 students and nearly 1,571 faculty members. In addition to that, Universitas Airlangga also has university teaching hospitals for the faculties of Medicine, Veterinary Medicine, and Dentistry, a Tropical Medicine hospital, and the Institute of Tropical Disease Airlangga University, one of the leading research facilities in the world in its field, equipped with biosafety level 3 facilities.Consistently ranked highly in major world university rankings, Universitas Airlangga has long been considered as one of the "Big 5" university in Indonesia, along with University of Indonesia, Bandung Institute of Technology, Bogor Agricultural University, and Gadjah Mada University. Universitas Airlangga also has many international partnerships worldwide, including ones with University of Bonn, Seoul National University, and University of Adelaide. Wikipedia.

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Mahasri G.,Airlangga University
IOP Conference Series: Earth and Environmental Science | Year: 2017

Production of Gold fish (Cyprinus carpio Linn) in Indonesia has always increased from 2013 to 2015 year by year with increasing average 2% per year. The amount of production was respectively 571.892 tonnes, 1129.273 tonnes, and 1186.674 tonnes. There were almost no problems to sale of gold fish because it had a good enough prospect. The aims of this research were Isolation of spore protein of Myxobolus koi by using SDS-PAGE to analyze immun respons and survival rate gold fish that immunized with spore protein of Myxobolus koi. The method of this research used experimental method, and belonged to 4 treatments that are: Controle = the group of gold fish not immunized with protein spore of Myxobolus koi neither infected by Myxobolus koi (T1). The group immunized and infested by spore of Myxobolus koi (T2), The group which immunized and not infested by Myxobolus koi (T3), and The group only infested by Myxobolus koi (T4). The dose of immunostimulant was 5 ml in 1 kg of food. The result showed that there were two bands of whole spore protein with molecule weight (MW) 150 kDa and 72 kDa and one band of crude protein Myxobolus koi with molecule weight 73 kD and the optical density point was 0.132 on the first day and increased to 0.769 on the 56 th day. The result also showed that the immun respons and survival rate increased from 27% to 86% in chellence test. The protein spore of Myxobolus koi can used to develops material for immunostimulant and to prevent the myxobolusis. © Published under licence by IOP Publishing Ltd.

Windarto,Airlangga University
AIP Conference Proceedings | Year: 2016

Genetic algorithm is an optimization method based on the principles of genetics and natural selection in life organisms. The main components of this algorithm are chromosomes population (individuals population), parent selection, crossover to produce new offspring, and random mutation. In this paper, continuous genetic algorithm was implemented to estimate parameters in a predator-prey model of Lotka-Volterra type. For simplicity, all genetic algorithm parameters (selection rate and mutation rate) are set to be constant along implementation of the algorithm. It was found that by selecting suitable mutation rate, the algorithms can estimate these parameters well. © 2016 AIP Publishing LLC.

Puspitasari I.,Airlangga University
Proceedings - 2017 15th IEEE/ACIS International Conference on Software Engineering Research, Management and Applications, SERA 2017 | Year: 2017

Consumers or non-medical professionals are progressively going online to seek health information. Despite the increasing number of health information search online, acquiring the correct and relevant information based on consumer's understanding remains a problem. The information retrieved from the Internet may not fit consumer's understanding because the consumer's familiarity with health topic varies. To improve the accuracy of health information search results, this paper investigates the impact of consumer's familiarity on the search behaviour using language models approach. A user experiment was conducted with 60 participants searching on the topic tasks of dengue fever, diabetes mellitus, and gastroesophageal reflux disease. The participants also rated their familiarity with health task topics on the scale of 1 (not familiar at all) to 4 (familiar). This rating categorized the participants into four familiarity groups (F1, F2, F3, and F4). The data analysis involved the transcription of search task data into the sequence of search activities to identify unique search activity patterns between familiarity groups. The results showed that the familiarity with health topics affected health information search behaviour. There were unique search patterns exhibited by groups of participants with different familiarity. In the query stage, participants with less familiarity issued more modified queries than the participants with higher familiarity. In the decision stage, familiar participants were likely to achieve higher search efficacy than less familiar participants. When locating the potential relevant search result, participants in the higher familiarity groups tended to be more successful than the participants in the lower familiarity groups. By analysing the search behaviour, health information search systems could predict the consumer's familiarity to present more relevant and understandable results.

Sukoco B.M.,Airlangga University | Wu W.-Y.,National Cheng Kung University
Expert Systems with Applications | Year: 2011

The advergames has become one of the most promising areas of advertising media in recent years. Previous studies only show how it increases the level of brand recall while giving very little attention to the effectiveness of persuasion through the consumer's cognitive and affective modes. In this study, advergames are used to represent interactivity with different levels of website richness created by a mix of experimental designs. Two experiments using two different products with search and experience-dominated attributes were conducted. The results indicated that the main effects of interactivity and media richness significantly enhance a consumer's telepresence and affective responses. The cognitive responses were influenced modestly by products dominated by search attributes. Interaction effects were found only in products dominated by experience attributes. Practical, as well as, academic contributions are presented. © 2010 Elsevier Ltd. All rights reserved.

Fatmawati,Airlangga University | Tasman H.,University of Indonesia
Mathematical Biosciences | Year: 2015

The model also incorporates mass treatment and insecticide as control strategies. We consider the sensitive and resistant strains of malaria parasites in human and mosquito populations. First, we investigated the existence and stability of equilibria of the model without control based on two basic reproduction ratios corresponding to the strains. Then, the Pontryagins Maximum Principle is applied to derive the necessary conditions for optimal control. Simulation results show the effectiveness of the optimal control to reduce the number of infected hosts and vectors. © 2015 Elsevier Inc.

Efendi F.,Airlangga University
Rural and Remote Health | Year: 2012

Context: Providing health care in remote and very remote areas has long been a major concern in Indonesia. In order to improve access to quality health care for residents in these areas, various policies on recruitment and deployment of health workers have been implemented, among them compulsory service, contracted staff and the Special Assignment of strategic health workers. Issue: Indonesia's difficult geography presents great challenges to health service delivery and most health workers prefer to serve in urban areas, resulting in an uneven distribution of health workers and shortages in remote areas. Great efforts have been made to mobilize health human resources more equitably, including placement schemes for strategic health workers and contracted staff, combined with an incentive scheme. While these have partially addressed the severe shortage of health workers in remote areas, current government policies were reviewed in order to clarify the current situation in Indonesia. Lessons learned: The Contracted Staff and Special Assignment of Strategic Health Workers programs show have made a significant contribution to improving the availability of health workers in Indonesia's remote areas. As these two programs used financial incentives as the main intervention, other non-financial interventions should also be trialed. For example, incentives such as the promise of a civil servant appointment or the provision of continuing professional education, as well as the recruitment of ruralbackground health workers may increase the willingness of health staff to serve in the remote and very remote areas of Indonesia. © F Efendi, 2012.

Aim: to speed up transdifferentiation of bone marrow-derived stem cells into cardiomyocyte in vitro by inducing dedifferentiation of bone marrow-derived mesenchymal stem cell, before induction by 5-aza-2'-deoxycytidine into cardiomyocyte. Methods: two-three months old 2.5 kg weight adult male New Zealanad Rabbits were anesthezied with ether, thigh bones were excised, and bone marrow cells were obtained by aspiration. Results: in our experiments after 1 week of mesenchymal stem cell cultures, 20 nM reversin was given to induce dediferentiation and after 24 hours exposure with 9μM 5-aza-2-deoxycytidine, early phase of cardiomyocyte differentiation appeared as cultured cell were strongly positive for GATA-4 and weakly positive for MLC-2ά, although beating cardiomyocyte has not yet appeared at the end of experiment. These experiments also showed a marked CD34+ and c-kit+ gene expression on RT-PCR examination. Conclusion: reversine increase plasticity of bone marrow-derived mesenchymal stem cell to generate cardiomyocyte after 5-aza-2'-deoxycytidine induction. CD34+ and c-kit+ may be a marker for cardiomyocyte progenitor cells.

Lestari M.L.A.D.,Airlangga University | Indrayanto G.,Airlangga University
Profiles of Drug Substances, Excipients and Related Methodology | Year: 2014

Curcumin and its two related compounds, that is, demethoxycurcumin and bis-demethoxycurcumin (curcuminoids) are the main secondary metabolites of Curcuma longa and other Curcuma spp. Curcumin is commonly used as coloring agent as well as food additive; curcumin has also shown some therapeutic activities. This review summarizes stability of curcumin in solutions, spectroscopy characteristics of curcumin (UV, IR, Raman, MS, and NMR), polymorphism forms, method of analysis in both of biological and nonbiological samples, and metabolite studies of curcumin. For analysis of curcumin and its related compounds in complex matrices, application of LC-MS/MS is recommended. © 2014 Elsevier Inc.

Peeters H.H.,Laser Research Center | Mooduto L.,Airlangga University
Clinical Oral Investigations | Year: 2013

Objectives: The purpose of the present study was to test the hypothesis that apical extrusion of the irrigant occurs during laser-driven irrigation in vivo. Materials and methods: Three hundred human root canals, in 181 patients, were divided into two groups: the no lesion group (n = 140) and the lesion group (n = 160). All the root canals were enlarged using a crown down technique up to size 30-80 K-files, depending on the original condition of the root canal. For the final irrigation, the teeth were irrigated with a mixture of radiopaque contrast medium and NaOCl in solution. The solution was activated for 60 s in teeth with one canal or two canals and for 120 s in teeth with three or four canals. Results: Radiopaque contrast medium was absent from the periapical tissues of all samples. Conclusions: No contrast medium was observed radiographically in the periapical tissues. The hypothesis that apical extrusion of root canal irrigants occur during laser cavitation was rejected Clinical relevance: It appears that the power of the laser used at 1 W for 1-2 min can drive the irrigation solution to the tip of the canal without harming the apical tissues. © 2012 Springer-Verlag Berlin Heidelberg.

Puspitasari I.,Airlangga University
2016 IEEE/ACIS 14th International Conference on Software Engineering Research, Management and Applications, SERA 2016 | Year: 2016

Many enterprises develop and adopt Enterprise Architecture (EA) to achieve IT and business alignment and to support strategic business excellence. However, EA contribution to enterprise goals is questionable. The EA implementation is ineffective because stakeholders are reluctant to actively adopt it in their enterprise life. The reluctance happens because the EA product does not accommodate stakeholder's expected values. No matter how excellent an EA is, if the stakeholder rejects its content, it becomes meaningless and loses its strategic functionality. Thus, EA architect needs to identify and accommodate stakeholder's expected value. The next problem arises when a stakeholder's expected value conflicts with others' expected value or enterprise objective. This paper proposes a solution based on the stakeholder perspective to improve a successful and smooth EA implementation. The proposed approach consists of the stakeholder's expected value analysis scheme, the EA stakeholder profile catalog, and the priority matrix. The analysis scheme is used to identify EA stakeholder, to create the profile catalog, and to analyze stakeholder's expected value. The purpose of the priority matrix is to solve potentially conflicted expected values between stakeholders by prioritizing the value fulfillment based on stakeholder's contribution and concern. The preliminary validation by EA architects suggests that the proposed approach is feasible and usable to be applied in the EA development process. © 2016 IEEE.

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