Proceedings of the International Conference on Science and Technology (ICST 2018)

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229 articles

Decision Support System: A Prototype for Determining Rice Price Based on Its Quality Measurement

Rizka Hadiwiyanti, Prisa Marga Kusumantara, Dedi Anugrah, Tri Lathif MS
Quality measurement of rice is an important and necessary activity before it is sold to market. By distinguishing its quality, pricing will also be suitable by the physical characteristics of rice delivered by farmers. This paper proposed a prototype of DSS application to assist intermediaries in determining...

Prototype of Voice Commanded University Executive Business Intelligence Assistant (BELA)

Mohamad Irwan Afandi, Eka Dyar Wahyuni
Higher education institutions have already started implementing business intelligence application in order to support university executives to make better decisions. Normally, an application is operated using a mouse, keyboard, or touch-screen device which in some cases is not suitable for the users....

Unsupervised Image Segmentation Algorithm using Superpixel and Cosine Similarity

Wahyu S J Saputra, C Aji Putra, Yisti Vita Via
In computer vision, image segmentation is a process of dividing image to get several segments of image. Image segmentation aim to divide image into simple section that meaningful and easy to analyze. Image segmentation regularly use to locate boundary of object in image, so object in image can analyzed....

Optimization of Student Interest Selection Using Artificial Neural Network and Rete Network

M. Syahrul Munir, Eva Y Puspaningrum, Dimas Eko Wicaksono
The need for a prospective student to know the interest of the field of study at the college according to his intelligence becomes one of the complex problems. The selection of the right field of study makes the prospective students more enthusiastic to attend college and graduate on time. Therefore...

The Robust Regression Performance for Face Recognition with Lighting Condition Variation of Training Data

Budi Nugroho, Anny Yuniarti
In this research, the Robust Regression method used for face recognition tested its performance with illumination variations on the training dataset. Experiments were carried out using Cropped Yale Face Database B. By using this standard face database, generally the data for the training process used...

IoT-based Intelligent Fishcarelab System (IFS) for Koi Fish Monitoring System

Minto Waluyo, Basuki Rahmat, Tuhu Agung Rachmanto, Mohamad Irwan Afandi, Helmy Widyantara, Harianto Harianto
Internet of Things (IoT) allows connections between devices using an internet connection with the ability to collect and exchange data. This research utilizes the IoT network to monitor the growth of koi fish in the pond. By utilizing the NodeMCU microcontroller, temperature and pH sensors, the sensor...

CNN and SVM Based Classifier Comparation to Detect Lung Nodule In Computed Tomography Images

I Wayan Budi Sentana, Sri Andriati Asri, Naser Jawas, Anggun Esti Wardani
Convolutional Neural Networks (CNN) are biologically-inspired variants of Multiple Layer Perceptron (MLPs). Meanwhile, support vector machines (SVMs) are supervised learning models with associated learning algorithms that analyze data used for classification and regression analysis. In some research...

Hydrolysis of Glucose from Bamboo with Micro Controller PID type Arduino UNO and Fuzzy Method

Ni Ketut Sari, Dira Ernawati, Intan Yuniar Purbasari, Basuki Rahmat
Glucose needs each year has increased significantly while glucose production has decreased, this is because supplies of the raw materials limited, where bamboo is one of the raw material alternatives to glucose. The selection of bamboo plants based on levels of cellulose which ranges from 42.4%-53.6%,...

Making Bioetanol from Glucose Off Grade With Fermentation Process Using Fermiol

Ni Ketut Sari, Khurniawati Khurniawati, Uman Fathoni, Widi Wurjani
Fermentation can be defined as a process of anaerobic oxidation of carbohydrate which produces alcohol and carbon dioxide. Batch fermentation is fermentation system closed, where there is no addition of new media, there are no additions (O2), antifoam, acid/alkaline pH control is done in a way. the fermentation...

Optimization of Slice Thickness, Drying Method, and Temperature of Turmeric Rhizome (Curcuma Longa L.) Based on Water Content and Functional Compound Degradation

Pirim Setiarso, Nita Kusumawati, Rusijono Rusijono, Supari Muslim
The research of oven-based drying technology on the production process of turmeric rhizome (Curcuma Longa L.) with thickness 0.15 and 0.30 cm have been. A number of parameters, such as slicing thickness, drying methods and temperatures are optimized, to achieve water and functional compounds (essential...

Impact of Lapindo Hot Mud Flowing on Macrozoobenthos Communities in Estuary Porong, East Java

Tarzan Purnomo, Fida Rachmadiarti, Soegiyanto Soegiyanto
Estuary Porong is part of the east coast of Sidoarjo, East Java, which receives the Lapindo mudflow. Lapindo mudflow into the sea through the Porong river has caused sedimentation and changed the Porong river base substrate morphology so that it affects the organism that live in the estuary, especially...

Specific Oxygen Reaction through analysis of Malondialdehyde in the body of Methapire postuma

Widowati Budijastuti, Nur Ducha, Dyah Hariyani, Sunu Kuntjoro
The purpose of this study was to evaluate the specific oxygen reaction on the body of Methapire postuma worms found in Pb metal contaminated areas. This study uses exploration methods with selected samples in Bangkalan. The body of the worm was cut off on the spermateka, vesicles and prostate sections...

The Morphological, Anatomical, And Physiological Characteristics of Elephantopus scaber As Explant Source For Tissue Culture

Yuliani Yuliani, Sari Kusuma Dewi, Fida Rachmadiarti
The purpose of this study was to describe morphological characteristic (leaf area, plant height, and leaf sheath), to describe anatomical characteristic (trichomes found in leaf sheath, veins, leaf blade and stem, to describe the physiological characteristic from phytochemical tests of secondary metabolites...

Enhancing Problem Solving Skills of Pre-Service Teachers by Integrating 21st Century Interdisciplinary Theme Into Science Class

Dhita Ayu Permata Sari, Wahono Widodo, Elok Sudibyo
Mastery of key academic subjects in school is not enough to succeed in the 21st century. Some specific skills, such as problem-solving, is needed. On the other hand, it is also important to foster understanding of academic content at much higher level by relating 21st-century interdisciplinary theme,...

Efficiency of Optical Sensors with Quasi Gaussian Beam for Determining Cholesterol Concentration

Mohammad Budiyanto, Suhariningsih Suhariningsih, Moh Yasin
Research on fiber optic sensors with Quasi Gaussian beam has been carried out aiming to analyze the beam intensity profile of the light beam, sensor performance and sensor sensitivity to determine cholesterol concentration. The concept of laser beam propagation is guided by an optical fiber bundle in...

Exploring Pre-service Science Teachers' Capabilities in Competing for National Scientific Fair through SETS Learning

Aris Rudi Purnomo, Martini Martini, Laily Rosdiana, Wahyu Budi Sabtiawan, Hasan Subekti
To participate in the National Scientific Fair, pre-service science teachers (PSTs) need to prepare their capabilities in the competition. This study used survey to explore the capabilities of PSTs in terms of preparing scientific proposal, assessing proposal format and surveying PSTs perception. Rubric...

Soil Physic and Chemistry Characteristics on Pesticide Application of Soybean Land in Jombang, Lamongan and Probolinggo

Mahanani Tri Asri, Tarzan Purnomo, Yuliani Yuliani, Fida Rachmadiarti, Evie Ratnasari
Applications of pesticides on crop land have been used by soybean land farmer in Jombang, Lamongan and Probolinggo in order to control pest. Pesticide application of soybean land influence physic and chemistry soil, against growth of plant furthermore. This study aimed to identify soil physic and chemistry...

Study of Kana (Canna sp) and Butterfly (Bauhinia purpurea) Plants as Leading Absorbents (Pb)

Sunu Kuntjoro, Fida Rachmadiarti
According to the Environment Project Agency (2007), about 25% of lead (Pb) remains in the engine and the other 75% will pollute the air as exhaust fumes. Kana (Cana sp) and Butterfly plant (Bahuinia purpurea) are plants that are suitable for the needs of urban forest plants. Studies related to the potential...

Curriculum Implementation in Biology Program of Universitas Negeri Surabaya

Ahmad Bashri, Rinie Pratiwi Puspitawati, Muslimin Ibrahim
This study aims to describe the effectiveness of curriculum implementation in the Biology Program, implementation of curriculum implementation in the Biology Program, and obstacles in implementing the curriculum. This research is an observational study, which observes curriculum documents and their implementation....

Azolla microphylla and Pistia stratiotes as Phytoremediator of Pb (lead)

Fida Rachmadiarti, Herlina Fitrihidajati, Tarzan Purnomo, Yuliani Yuliani, Dwi Asih Wahyuningsih
Azolla microphylla and Pistia stratiotes were type of plants which used as alternative to remove pollutant from contaminated water. This study aimed to determine efficiency of Azolla microphylla and Pistia stratiotes as phytoremediator of Pb. These plants were grown in 14 days under hydroponic system...

Characterization of Microorganism Isolated From “Fermege”: The Ruminant Fermented Feed from Water Hyacinth (Eichhornia crassipes)

Isnawati Isnawati, Guntur Trimulyono
The aim of this study was to determine the number of bacteria and fungi in the fermentation process and characterization of these microorganisms. There were several steps in this research including production of fermented feed, isolation of indigenous microorganisms, purification, characterization of...

Improving the Quality of Goat Sperm through the Implementation of Fermented Feed based on Water Hyacinth: Fermege Formula 3

Evie Ratnasari, Herlina Fitrihidajati, Isnawati Isnawati
Fermented feed made from water hyacinth contain high nutrition, increase goat weight, improve carcass quality and improve the reproduction system of goats. The aims of this study were determining the effect of fermege formula 3 on the quality of goat spermatozoa was compared to conventional feed. This...

Improving the Quality of Tofu Liquid waste by the Sedimentation Process and the Phytoremediation of Water Hyacinth (Eichornia crassipes)

Herlina Fitrihidajati, Fida Rachmadiarti, Dwi Savitri Vidyawati
Waste from the tofu industry produced the pollutant like NH3, NO2, NO3 with high content that caused environmental pollution. Hence, the processing of tofu liquid waste was needed. The purpose of this research was to determine the effect on the levels of pH, NH3, NO2, NO3 and to determine the biomass...

Glycemic Index of Snack Bar from Pedada Fruit Flours (Sonneratia caseolaris) and Legumes Flour

Jariyah Jariyah, Sri Winarti, Inka Agrita
Snack bar is a snack in the form of bars made from cereals or nuts, has a high protein content which is usually consumed on the sidelines of meals. Pedada fruit is one of the mangrove fruits that contain high dietary fiber, while the legumes a good source of protein, and it also contains carbohydrates,...

Decreasing Organic Containers in Slaughterhouse with Photocatalyst Method using TiO2 and UV-C Rays

Okik Hendriyanto Cahyonugroho, Kiki Indra Cahya, Agil Harnowo Putra
The slaughterhouse waste generally contains blood, protein, grease and suspended solids which cause the burden of high organic materials that can contaminate the rivers and environment. Therefore, efforts should be made before the waste with this high organic content in order not to pollute the environment....

Performance of Algae Reactor for Nutrient and Organic Compound Removal

Agil Harnowo Putra, Aulia Ulfah Farahdiba
The excess content of nutrients in the water can cause eutrophication which has an impact on increasing turbidity and causing anoxic conditions in a waters. High Rate Algae Reactor (HRAR) is wastewater treatment and nutrient recycling based on symbiotic interactions between heterotropic bacteria and...

Encapsulation and Germination of Synthetic Seeds of Chrysanthemum

Pangesti Nugrahani, Ida Retno Moeljani, Irda Lydiana
Chrysanthemum is one of the most important Indonesia flowers, that which has always been developed in various plant breeding studies, including the development of synthetic seed encapsulation methods. Encapsulation is a technology on enclosed any meristematic plant tissue in a protective and nutritive...

Physical and Chemical Properties of Silver Rasbora Bekasam Using Various Types of Processed Rice as Fermentation Media

Anugerah Dany Priyanto, Sri Djajati
The most frequent problem in increasing demand of fishery products is rapidly quality decline of fresh products. Therefore, obligatory right handling is required to maintain the fish quality. Aims of this study was to determine the type of processed rice as fermentation media in silver rasbora bekasam...

Proportion Study of Wheat Flour and Purple Yam Flour and Addition of Egg on Making of Dry Noodle

Enny Karti Basuki Susiloningsih, Rosida Rosida, Ariska Febrianita
The purpose of this study was to determine the effect of the proportion of wheat flour: purple yam flour and egg addition on the quality of dried noodles produced. This study used a completely randomized design factorial pattern with 2 factors, namely the proportion of wheat flour and purple yam flour...

Characteristics of Dried Noodles from Modified Sorghum Flour (MOSOF) (Sorghum bicolor)

Riski Ayu Anggreini, Ulya Sarofa, Rosida Rosida
Consumption of noodles in Indonesia is increasing and this has an impact on increasing imports of wheat flour. Sorghum is considered to have the potential to be used as a substitute for wheat flour, because it has a fairly good nutrient content. However, it has anti-nutritional properties which can reduce...

Design of Automatic Harvest System Monitoring for Oyster Mushroom Using Image Processing

Diana Rahmawati, A. Fiqhi Ibadillah, Miftachul Ulum, Heri Setiawan
The aim of this study is designing a system which can automatically detects the harvest time of the plant, using data from camera, using image processing. Phase one of our project depends on designing a harvest time decision maker system using image processing. Phase 1, plant grown using Smart greenhouse...

Cow Weight Estimation Using Local Adaptive Thresholding Method And Connected Component Labelling

Rosida Vivin Nahari, Novita Subagiarti, Achmad Jauhari, Riza Alfita, Kunto Aji Wibisono, Achmad Fiqhi Ibadillah, Mirza Pramudia
The development of technology, information and communication provides a new alternative to predict cow weight through Image Processing. This study utilizes Image Processing in visualizing the measurement of Chest Circumference and cow body length automatically. The cow weight estimation are very dependent...

The Association Rule of Corn Disease Symptoms by Using Frequent Pattern Growth and Random Forest

Achmad Yasid, Budi Dwi Satoto
Despite proper soil health management, pests and diseases control is also an important task in corn farming for improving both the quality and the quality of the crops production. One way to address this challenge is to identify the emerging symptoms accurately to help define the appropriate solution....

Effectiveness of Moringa Oleifera Seed as Phytocoagulant in Wastewater Treatment of Batik Industry

Erina Rahmadyanti, Elizabeth Titiek Winanti, Indiah Kustini
Test results with SEM-EDX show that the deposition time affects the copper content of the MWCNT. With a deposition time of 15, 30 and 60 minutes, copper content was 1.141 %, 3.227 % and 33.56 % by weight. The XRD test results showed that with 15 minutes deposition time, there was 97 % MWCNT and 3 % copper...

Taxa composition of Insects in Peat Agricultural area Kalampangan sub-district Central Kalimantan Indonesia

Adventus Panda, Siti Aisiah, Kornelia Marlina Sosiayu, Rotua Novera Simbolon, Agus Haryono
Insects are one of taxa within Animal. Despite of their high adaptability, this group also cover vast areas. Nevertheless, they are played an ecological role. This is suggest, that this taxa having a sizable proportion over animal kingdom. Data from agricultural area, their existence most often reported...

Albumin, Globulin Concentration and Total Protein Colostrum Mother Pig Superovulation before Breeding

Revolson A Mege, Nonny Manampiring, Debbie J. J. Rayer, Friska M. Montolalu
This research aimed to study the effect of PMSG and hCG injection breeding albumin, globulin concentration and total protein colostrum mother of pig. This research using 6 months piggy descent of land care with 30 pigs total and the weight average 95-105 kg. Hormone in used are MPSG and hCG before breeding...

The Effect of Stirring Time and Cast Thickness on Morphology, Permeability, and Thermal Stability of Polysulfone/Polyvinylidene Fluoride Blended Membranes

Pirim Setiarso, Nita Kusumawati, Supari Muslim, Maria Monica Sianita, Ruwanti Dewi Cahya Ningrum
Polysulfone/Polyvinylidene fluoride blend (PSf/PVDF) membranes with composition PSf/PVDF/NMP/NH4Cl (wt.%) of 8/6/84/2 supported on gauze fabric were successfully synthesized by a phase inversion method and immersion precipitation technique. Variations of stirring time and cast thickness were used to...

Usage Of Zeolite And Chitosan Composites As Slow Release Fertilizer

Dina Kartika Maharani, Kusumawati Dwiningsih, Raisza Tarida Savana, Puma Manggala Virga Andika
The research with the title usage of zeolite and chitosan composites as slow release fertilizer had been done. In this research, fertilizer was made by mixing zeolite with NaNO3 as a source of macro nutrients (nitrogen) and chitosan as a crosslinks which will later be used to provide slow release function...

Antioxidant Activity of Palmitic Acid And Pinostrobin From Methanol Extract Of Syzygium litoralle (Myrtaceae)

Nurul Hidajati, Tukiran Tukiran, Dian Arista Setiabudi, Andika Pramudya Wardana
This study presents a research of klampok watu plant (Syzygium littorale) including the Myrtaceae family. As far, only a few report about Syzygium littorale in leaves, fruit, stem bark or other parts. The stem bark of plant was extracted with an organic solvent and then fractionated (isolated) using...

PROFILE OF THE ACADEMIC COMPETENCY OF CHEMISTRY EDUCATION STUDENTS

Bertha Yonata, Wasis Wasis, Raden Sulaiman, Elok Sudibyo, Muji Sri Prastiwi
This article reports the results of a limited trial on the academic competence of students in chemical education. This limited trial also measured the level of student confidence and the truth of chemical concepts from a sample of 24 class 2014 chemistry education students who would and were taking thesis...

A Real-Time System for Monitoring Methane Level in Biogas Production A Preliminary Study

Meta Yantidewi, Utama Alan Deta, Nurita Apridiana Lestari
Methane is one of the flammable natural gas that can be found in biogas. Because of its flammable property, methane is mostly used as fuel. This research designed a monitoring system that can monitor the methane concentration level. The instrument system consisted of a methane gas sensor as a gas detector,...

A Preliminary Design: “assessment as learning” to accelerate students’ achievements

Wahyu Budi Sabtiawan, Elok Sudibyo, Tutut Nurita
Assessment is a part of educational process. One of the assessment roles is “assessment as learning” (AaL). The study aims to introduce a preliminary design for implementing AaL. The research, as developmental research, has been in a design step. The design was developed based on the genetic of AaL viewing...

Scientific Thinking Skills: Why Junior High School Science Teachers Cannot Use Discovery and Inquiry Models In Classroom

Erman Erman, Wasis Wasis, Endang Susantini, Utiya Azizah
This study aims to describe the difficulty of the teacher in distinguishing the implementation of discovery and inquiry learning models in science learning and the factors that led to the scientific thinking skills of junior high school science teachers. The case study design used in this study involved...

Analysis of Contaminant and Nutritional Content of Red Galangal (Alpinia purpurata K. Schaum) Simplicia

Mirwa Adiprahara Anggarani, Nita Kusumawati, Roy Januardi Irawan, Rusijono Rusijono
This study has been conducted analysis of contaminant and nutritional content of red galangal (Alpinia purpurata K. Schaum) simplicia. Simplicias as one of post-harvest processed form. Simplicia is a material to produce herbs medicine. So that, simplicia quality must be considered. The quality of simplicias...

Implementation of learning model map concept with inquiry strategy in an effort to train high-order thinking skills of chemistry education students

Ismono Ismono, Sri Poedjiastoeti, Suyatno Sutoyo
Higher order thinking skills (HOTs) are needed by the students of chemistry education, because they will become teachers who will be able to teach HOTs to the This research is the application of concept map learning models with inquiry strategies to train higher order thinking skills of chemical education...

The Implementation of Interactive Multimedia and Kits on Food Topic to Facilitate Chemical Students with Hearing Impairment

Dian Novita, Sri Poedjiastoeti, Sukarmin Sukarmin, Achmad Lutfi
The research aimed to describe the implementation of interactive multimedia and kits to facilitate students with hearing impairment. The kit consists of student activity sheet, tools, and materials for experiment. Student activity sheet of chemistry on foods consists of five experimental titles. The...

Tracing Individual Conception in Conceptual Change Stages Using Module Assistance

Suyono Suyono, Wahyu Budi Sabtiawan, Wike Kusuma Wardani
misconceptions have been the problem in educational field until now days. Tracing them will be an important part to solve the problems. The study aims to trace the individual conception using module assistance. The method was implementing a module of M3CGK containing conceptual change strategic to 16...

Cr (VI) Removal Using Cow Bone Waste Adsorbent

Raden Kokoh Haryo Putro, Vansa Nopy Rahardi, Okik Hendriyanto Cahyonugroho, Aussie Amalia
Pollution caused by Cr(VI) metal is harmful because it is toxic and carcinogenic. Utilization of cow bone waste is considered not optimal. One of the utilization is as an adsorbent of Cr(VI) metal. This research aims to determine the adsorption capacity by bone waste bone adsorbent in lowered Cr(VI)...

Modeling of Isoterm Phosphate Adsorption in Laundry Wastewater Using Anion Resin

Aussie Amalia, Pritho Ajeng Maharani, Euis Nurul Hidayah, Raden Kokoh Haryo Putro
The excess content of phosphate in laundry wastewater can cause eutrophication. Ion exchange is a method that has been widely used to remove pollutants in wastewater. The study of ion exchange equilibrium is generally carried out by means of adsorption isotherms modelling. The use of adsorption isotherms...

Effect of Acid Type on Si-K-HAs Gel Characterization

Srie Muljani, Bambang Wahyudi
The effect of both citric acid and hydrochloric acid on the Si-K-HAs gel characterization was studied with various pH gelation. The Si-K-HAs gel obtained from acidification of the mixture of potassium silicate and potassium-humic substance solution by polymerization process. The humic substance was obtained...