Proceedings of the National Seminar on Chemistry 2019 (SNK-19)

+ Advanced search
51 articles
Proceedings Article

Utilization Of Nanogold And Nanosilver To Treat Herpes Disease: Case Study Of Herpes Transmission In Islamic Cottage Schools

Titik Taufikurohmah, Djojok Supardjo, Rusmini Rusmini
This research aims to utilize nanogold and nanosilver to treat herpes disease which suddenly appeared in one of the Islamic cottage schools. How this happened is not a study this time. Nanogold has activity to increase cell proliferation and collagen biosynthesis. Nanogold also has antioxidant activity....
Proceedings Article

Mucolytic Activity of Flavonol Isolated from The Silver Fern (Pityrogramma calomelanos)

Suyatno Sutoyo, Tukiran Tukiran, Nurul Hidajati, Nur Indah Kumalasari
The aim of study is to determine the mucolytic activity of flavonol compound namely 3,5, 7,3’,4’-pentahydroxy flavone (quercetine), isolated from acetone extract of the silver fern (P. calomelanos). The mucolytic activity assay in vitro was based on the decreasing viscosity of intestinal mucus...
Proceedings Article

The Effect of Concentration Calcium Alginate On Metformine Encapsulated

Sari Edi Cahyaningrum, Nuniek Herdyastuti, Amaria Amaria, Pupuh Findia
This research aimed to study the effect of concentration calcium alginate on metformine encapsulation processes and investigated characteristic of metformine encapsulation. The encapsulation of metformine performed using chitosan and calcium alginate polymers with calcium chloride as crosslingk agent....
Proceedings Article

Determination of Ellagic Acid Compound Activity as Anti Breast Cancer

I Gusti Made Sanjaya, Defitiana Wanita
This research was conducted to determine the activity of ellagic acid compounds as anti-breast cancer. The research was carried out through Molecular Docking in silico with several stages such as optimization of the structure of 3D ellagic acid compounds and docking between optimized ellagic acid compounds...
Proceedings Article

Diversification of “NAJWA” Hijab Staining using Tie-Dye Method Based on Natural Dyes

Samik Samik, Agus Budi Santoso, Nita Kusumawati
Diversification of "Najwa" hijab staining has been carried out using a tie-dye method based on natural dyes. A number of natural dyes materials, which include turmeric, cherry and mango leaves and brazilwood bark, have been optimized for use. To obtain a stable color quality, staining is carried out...
Proceedings Article

Histopathology of Kidney In Mice (Mus musculus L) Indicated By Pre-Diabetes Mellitus Type 2 (Pre-Type 2 DM) With a variation of Yeast Treatment

Rudiana Agustini, Erlix Rakhmad Purnama, Agus Widodo
A kidney is an organ that has many roles to survive. This organ can be damaged by type 2 diabetes mellitus which is marked by high glucose in the blood. Histological studies of kidney tissue in mice (Mus musculus L.) shown by type 2 pre-Diabetes Mellitus with variations in yeast treatment have been carried...
Proceedings Article

Chemical and Physical Process Combinations: Microwave in Lignin Degradation of Pecan Shells as Alternative Fuel Raw Materials

Rini Kartika Dewi, M. Istnaeny Hudha, Anindita Rauda, Safarina Tsulusia
Pecan shell is an abundant amount of biomass waste and has the potential as one of the fuels, with a very hard texture and having holocellulose content of 49.22% and lignin 54.46%. Whereas the pecan shell composition after in the form of 100 mesh powder was 33% hemicellulose, 17% cellulose and 34% lignin....
Proceedings Article

Isolation and Utilization of Protease Lactic Acid Bacteria as Meat Tenderizer

Prima Retno Wikandari, Diah Puri P. Panggayuh, I Gusti Ngurah Agung Oka Dhana
The objective of this research was to observe the potency of protease of Lactobacillus LBP 1 as meat tenderizer. The study included the proteolytic enzyme activity and the effect of the enzyme concentration to meat tenderizing. The isolation of protease used ammonium sulphate of 15%, 30%,4%, and 60%,...
Proceedings Article

Standardization of Herbal Tea Quality Production Baureno Bojonegoro Society

Pirim Setiarso, Rusijono Rusijono, Asrul Bahar, Samik Samik, Nita Kusumawati
In this study, standardization of ginger and curcuma tea produced by the Baureno Bojonegoro society was carried out. To get high quality products, standardization has been carried out in the washing, slicing and drying processes. Washing stages of raw materials carried out for 1 min, with a slice thickness...
Proceedings Article

Production Of Working Electrodes Graphene Oxide For Phenol Analysis Voltammetrically

Pirim Setiarso
The working electrode in the voltammetry method is an electrode that responds to the current generated in a redox reaction. The working Electrode to response currents through the process of migration, convection and diffusion. Working electrodes can be made according to the needs for qualitative and...
Proceedings Article

Antioxidant and Phytochemical Test of Ziziphus mauritiana Ethanol Extract

Nurul Hidajati, Siti Nafsiyah Rokhmania
Ziziphus mauritiana is one of the plants that can grow in Indonesia. Many of these plants have reported potential antioxidant compounds. Z. mauritiana ethanol extract was obtained through maceration of bark and continued with phytochemical screening and antioxidant activity testing using DPPH method....
Proceedings Article

Adsorption of copper metal waste in prototypes on a laboratory scale

Nuniek Herdyastuti, Rusmini Rusmini, Sari Edi Cahyaningrum
Waste treatment has been carried out to reduce the presence of contaminants such as the content of copper (Cu) which is very dangerous for health. One of the efforts made is by adsorption using activated carbon. The purpose of this study was to determine the efficiency of activated carbon adsorption...
Proceedings Article

Extraction and Application of Natural Dyes from Brazilwood and Water guava leaves

Nita Kusumawati, Samik Samik, Supari Muslim
The use of natural dyes for batik has some advantages because it produces a unique exotic color with exclusive imaging and is environmentally friendly due to the waste easily degraded. The purpose of this research was to obtain textile dye extract from brazilwood (Caesalpinia sappan L) and water guava...
Proceedings Article

Exploration of Natural Dyes by Using a Combination of Caesalpinia sappan and Leucaena leucocephala L. Leaves.

Nita Kusumawati, Anang Kristyanto, Samik Samik
In this research an exploration of the potential use of Caesalpinia sappan and Leucaena leucocephala L. has been carried out as an alternative to environmentally friendly dyeing. To optimize the quality of the shades produced, pre-treatment is done using Turkish Red Oil (TRO) (washing) as well as alum...
Proceedings Article

Quality Improvement of ABBS Hand Writing Batik Production through Standardization of Natural Dyeing using Water Guava and Mango Leaves

Nita Kusumawati, Samik Samik, Anang Kristyanto
Dyeing standardization in the production of ABBS SMEs natural dye hand writing batik has been done. A series of stages of pre-treatment, dyeing and fixation have been determined to obtain the desired shades, color intensity and fastness. Optimizing the quality of dyeing is done by washing mori fiber...
Proceedings Article

Increased Storage and Nutrition Content of Processed Foods through Vacuum Packaging

Niken Purwidiani, Pirim Setiarso, Nita Kusumawati
Food is a basic need for human survival. Various vegetable and animal sources are used to fulfill this. Through the production of potato donuts and beef meatballs, Auliya SMEs has played an active role as one of the providers to fulfill this need. Along with increasing public awareness of food health,...
Proceedings Article

Morphometric and Nutrient Content of Endemic Solen sp. (Lorjuk) of Pamekasan Madura

Mirwa Adiprahara Anggarani, Erlix Rakhmad Purnama
The research was conducted on May to July 2019, in Pamekasan, Madura, East Java, Indonesia. The aim of this study was to know the content of Solen sp. (Lorjuk) the shellfish which live dan consumed by local community in Madura. This is a descriptive quantitative research. Parameters that used in determining...
Proceedings Article

Comparison of the method used for extraction chloramphenicol from its Molecularly Imprinted Polymer (MIP) using chloroform as porogen

Maria Monica Sianita, Ni Nyoman Tri Puspaningsih, Miratul Khazanah, Gaden Supriyanto
The synthesized of chloramphenicol – MIP (molecularly imprinted polymer) has been developed in many ways and many purposes. The purpose of this research was to compare the methods used for extracting chloramphenicol from its molecularly imprinted polymer (MIP) by calculating the percent of extraction...
Proceedings Article

Effectiveness of Evodiamine and Evodone as Ovarian Anticancer In Silico

Erlix Rakhmad Purnama, Ghea Dionita Sanora, Elly Yana Mastura, Muhammad Ongky Muji Handoyo
Cancer is a disease that is still a global problem which ranked second leading cause of death, amounting to 13% after cardiovascular disease. Cancer of the ovaries are the second most common group of gynecologic cancers, and account for about 5% of all women's cancers. Chemotherapy (chemo) is the use...
Proceedings Article

Synthesis and Characterization of Nano TiO2 with Sol-Gel Method as Self-Cleaning Agent on Acrylic Paint

Dina Kartika Maharani, Pirim Setiarso, Mirwa Adiprahara Anggarani, Qurrota A'yun
Metal oxide TiO2 has photocatalytic properties that make TiO2 amphilic, that is, hydrophobic in the dark (without UV light) and hydrophilic in the light (there is UV light). The photocatalytic properties of TiO2 can be utilized to develop self-cleaning materials in paints. Self-cleaning material is a...
Proceedings Article

The Effect of Curing and Extraction Time against Yield and Quality of Type B Gelatin from Goat Bone

Asrul Bahar, Rusijono Rusijono, Nita Kusumawati
In this study evaluated the effect of preparation conditions (curing) and extraction time on the yield and quality (water and ash content, gel, and organolaptic properties) of type B gelatin from goat bone. In general, the yield of goat's gelatin (GBG) increases with increasing curing (10-50 days) and...
Proceedings Article

The Effect Of Chitin Size And Soaking Time On Decreasing Cholesterol Levels On Quail Eggs

Nuniek Herdyastuti, Aisyah Vynkarini Daniar
Hypercholesterolemia is a symptom that shows an increase in cholesterol levels in the blood and can cause atherosclerosis which is a major factor for cardiovascular diseases such as coronary heart disease. Quail eggs are one of the foods that contain high cholesterol. Cholesterol content in quail eggs...
Proceedings Article

The Development Of Anti Miskim Software To Reduce Misconception Of Students On Buffer Solution Matter Through Conceptual Change Text Strategy

Siti Agustiyaningsih, Sukarmin Sukarmin, Utiya Azizah
The purpose of this study is to determine the feasibility of anti-miskim software with the conceptual change text strategy as a learning media to reduce misconceptions in buffer solution material. Feasibility of the software in terms of criteria validity, practicality, and effectiveness. This type of...
Proceedings Article

The Development of Demische Software to Detect and Reduce Misconception in Chemical Equilibrium through Conceptual Change Text Strategy

Lifia Ramadhani, Sukarmin Sukarmin, Utiya Azizah
This research is used to obtain Demische (Decreasing misconception in chemical equilibrium) software that is proper through conceptual change text strategy that is developed as learning media to detect and reduce misconception in chemical equilibrium 11th grade. Software feasibility can be known by three...
Proceedings Article

The Sorogan-Bandongan Model as Active Learning Model in Indonesia

Rinaningsih Rinaningsih, Asep Kadarohman, Harry Firman
Active learning is teaching and learning process its student centered. Exposure at this article bent on for to prove that Sorogan-Bandongan Model can be categorized as the active learning model that center on student. Method as used in exposure this article namely descriptive qualitative, use 52 students...
Proceedings Article

Problem-Solving based Teaching Materials: an Important Role in Enhancing Undergraduate Students Thinking Skills

Utiya Azizah, Harun Nasrudin, Rusmini Rusmini
Problem-solving is an individual's cognitive process to achieve the goals and solutions to the problem at hand. Problem-solving is a serious concern of the government of the Republic of Indonesia to prepare graduates who have high competitiveness. This study aims to describe undergraduate students' thinking...
Proceedings Article

Chemical Education Student Science Process Skills, in Specific and in General Content

Suyono Suyono, Harun Nasrudin, Bertha Yonata
This study aims to obtain the value of the estimated index of Science process skills (SPS) of students in the specific content (SPS-ISC) against the SPS score in general content (SPS-IGC). The SPS-ISC score is set based on the student's answer in answering questions developed based on the SPS indicator...
Proceedings Article

The Role of Chemistry and its Learning to Improve 21st Century Skills in Revolutional Industry 4.0 Era

Suyanta Suyanta
Technologies at the industrial revolution 4.0 (also referred to as Industry 4.0) which has grown exponentially and progressed at rapid pace largerly take impact on many of other fields covering manufacturing, economy, health care, and education. Therefore, Indonesia entails proper preparations to stay...
Proceedings Article

Remediation Of Students’ Misconception Based On Their Learning Style Through Guided Conceptual Change Strategies In The Concept Of Electrochemistry

Sukarmin Sukarmin, Suyono Suyono, Wasis Wasis
The problem of misconception in Chemistry is a very serious thing. Misconceptions that occur in the students’ early learning, will become the source of misconceptions on the next material. This study will attempt to reduce or remedy such misconception through Guided Conceptual Change in the concept of...
Proceedings Article

School Literacy Movement, Scientific Literacy, and Science Matter Inventory for Hearing Impaired Students

Sri Poedjiastoeti, Wagino Wagino, Dian Avina Turja Soffa
This paper aim to describe results of inventory school literacy movement, scientific literacy, and science matter in school for dissabilities especially hearing impairment students. This results used to design science multimedia was appropriate with hearing impairment students, especially for elementary...
Proceedings Article

The Effect Of Using Atomic Models Interactive Multimedia Flash Based On Students Learning Outcomes

Sihaqqul Firdaus, Rusly Hidayah
The purpose of this study to determine the effect of using atomic models interactive multimedia flash based on students learning outcomes, student learning outcomes that will be measured is how much the value increases obtained by students and the minimum completeness criteria obtained by students. The...
Proceedings Article

Theoretical And Empirical Validity Of Student Work Sheets To Train Eco Innovation In The Study Of Food Analysis

Rusmini Rusmini, Titik Taufikurohmah, Maria Monica Sianita
Research has been conducted on the development of Student Worksheets to practice eco innovation in the food analysis course. This development is motivated by the implementation of the FMIPA Unesa SD-Dikti curriculum based on ecopreneurship KKNI. Eco innovation is a part of ecopreneurship. The development...
Proceedings Article

The Development of Chemtoon (Chemistry Cartoon) Comic as Chemistry Learning Media on Acid Base Matter for XI grade of Senior High School

Nurus Shobah Asmiarsih, Rusmini Rusmini
This study was intended to determine the feasibility of Chemtoon comic that was developed as a chemistry learning media on acid-base matter. It was conducted at SMAN 1 Wringinanom on 15 students in XI IPA 2 with heterogeneous abilities. The comic designed according to the criteria for learning media....
Proceedings Article

The students’ conception track of low-perception-students trough the conceptual change (CCM) module based on mental models on electron configuration concept

Nurina Kusuma Ayu Pratiwi, Suyono Suyono, Yuanita Leny
Misconception has a close correlation with mental models. The aim of this study is to know the track of student conceptions trough the misconception (MC) remediation using Conceptual Change Module (CCM) based on mental model in electron configuration concept. The research using one group pretest and...
Proceedings Article

CHIBO Adventure Games a Learning Media on Chemical Bond Matter for Senior High School

Nanik Mardiana, Achmad Lutfi, Dian Novita
The research aims to get the feasibility of CHIBO Adventure game as a learning media on chemical bond matter for senior high school. The research method uses Research and Development (R&D) done until limited testing phase. The test was conducted to 30 students of 10th grade of SMA Negeri 1 Manyar-Gresik....
Proceedings Article

Chemmo Configuration Game As Learning Media On Periodic System Of Element Matter

Muslela Qona'atun, Achmad Lutfi, Rusly Hidayah
The aim of the research is to get the feasibility of Chemmo Configuration game as learning media in chemistry material, periodic system of element based on validity, practicality, and effectiveness of the game. This research use a Research and Development (R&D) method which consist of three stages,...
Proceedings Article

Relationships Between Perception toward Assessment with Learning Result of Student

Muchlis Muchlis, Suhadi Ibnu, Subandi Subandi, Siti Marfuah
This research aim to describe relationships between perception toward assessment with learning result of student. Perception toward assessment it means student percepts assessment as assessment of learning (AoL), assessment for learning (AfL) or assessment as learning (AaL). Subject research is 35 students...
Proceedings Article

Utilization Of Colored Flowers as An Alternative Learning Media of Acid Base Indicator On Basic Chemistry Course With Green Chemistry Insight

Mitarlis Mitarlis, Utiya Azizah, Bertha Yonata
Using of natural product like colored plants or flowers as a medium for learning chemistry can realize of green chemistry principles by applying one or several of its principles. One of the principles of green chemistry that can be raised in basic chemistry learning is "use renewable feedstock". Chemistry...
Proceedings Article

Analysis of Technological Pedagogical Content Knowledge (TPACK) Capabilities of Prospective Chemistry Teachers on Chemical Bonding Materials

Kusumawati Dwiningsih, Sri Poedjiastoeti, Muchlis Muchlis
The education of prospective Chemistry teachers is faced with the issue of integration of content knowledge, pedagogy and technology (TPACK / technological pedagogical content knowledge ). Prospective teachers are expected to become teachers who are skilled in teaching effectively, mastering material...
Proceedings Article

Train high order thinking skills at undergraduate students chemistry through concept map based learning

Ismono Ismono, Sri Poedjiastoeti, Suyono Suyono
This study aims to determine the role of concept map learning in studying organic chemical especially the matter of isomer. The subjects of this study were 58 chemistry education students with details of 24 PKU 16 students and 34 PKA16 students. Data acquisition was done by initial test, final test,...
Proceedings Article

Validity of Interactive Multimedia with 3D Visualization to Practice the Spatial Visual Intelligence of Class X High School Students on Metallic Bonding Materials

Irvandar Nurviandy, Kusumawati Dwiningsih, Ahlan Riwahyu Habibi, Akhmad Fitriadi Akbar
This study aims to determine the validity of Interactive Multimedia with 3D Visualization to Train the Spatial Visual Intelligence of Class X High School Students on Metallic Bonding Materials. Validity is tested through quality of content and goals, instructional quality, and technical quality. Development...
Proceedings Article

Reading, Questioning, and Answering (RQA) Strategies’: an Alternative to Empowering Undergraduate Student Thinking Abilities

Harun Nasrudin, Utiya Azizah
Reading, Questioning, and Answering (RQA) is a constructivist based learning strategy. The implementation of RQA can motivate undergraduate students to read the assigned material and have an impact on improving the understanding of learning material. This study aims to describe undergraduate students'...
Proceedings Article

Students’ Misconceptions on Understanding Corrosion Topic by and without Analogy

Findiyani Ernawati Asih, Suhadi Ibnu, Suyono Suyono, Suhadi Suhadi
Redox reactions is spontaneous which can produce electrons flow. This condition can make corrosion of ferrum metal . The electrons flow is not observed (submicroscopic aspect), so requires visualization. Strategy for visualizing submicroscopic aspect is analogy learning. The electrons flow can be analogous...
Proceedings Article

The Validity of Teaching Materials Oriented to Argument-Driven-Inquiry Model to Train Students’ Science Literacy

Faridatur Rofi'ah, Tukiran Tukiran, Endang Susantini
Research related to the development of teaching materials using the Argument-Driven-Inquiry model to train Students’ Science Literacy which seems not to have been done. Therefore, the purpose of this study is to produce a valid teaching materials. The developed teaching materials focused on the buffer...
Proceedings Article

Enhacing Mastery Of Students’ Concept Through Science Technology Society (STS) Approach On Chemical Equilibrium

Dwi Rahmi Putri, Leny Yuanita, Bambang Sugiarto
This study aims to determine the enhancement mastery of students' concepts after being given learning based on the Science Technology Society (STS) approach to Chemical Equilibrium. Students in class XI MIA 1 and XI MIA 2 of Senior High School 4 Sidoarjo be a subject. The data is obtained from concept...
Proceedings Article

Interactive Multimedia and Kit Implementation on Chemistry in Daily Life Topic with Writing-to-Learn Strategy for Hearing Impairment Students

Dian Novita, Sri Poedjiastoeti, Sukarmin Sukarmin, Achmad Lutfi
This research aims to describe the implementation of interactive multimedia and kits on Chemistry in Daily Life Topic. The kit consists of student activity sheet and tools and materials for experiment. Student activity sheet of chemistry on foods and chemistry on household theme each consist of four...
Proceedings Article

The Effectiveness of Guided Discovery Based Learning Materials to Increase Students’ Learning Outcomes

Devi Evylia Purmawanti, Utiya Azizah, Sari Edi Cahyaningrum
This research aimed to know the effectiveness of learning materials based on guided discovery to inrease students’ learning outcomes. The research model used in this study was Research and Development (R&D), but it is only limited to the development stage, namely by conducting a trial I. Trial I was...
Proceedings Article

Effectiveness Of Learning Media Using Argument Driven Inquiry (ADI) Learning Model To Increase Students’ Learning Outcomes And Self Efficacy

Ni'mah Tukiran, Nasrudin Choirun, Harun
This research aimed to find the effectiveness of a theaching instrument in order to increase students’ self efficacy and learning outcomes using Argument Driven Inquiry (ADI) teaching instrument on the electrolyte and non-electrolyte. The test was applied to the 30 students of grade X-3 and X-4 in Senior...
Proceedings Article

Application Of Chemmo Configuration Play As A Learning Media Of Elements Periodic System

Achmad Lutfi, Rusly Hidayah, Muslela Qona'atun
This study aims to determine the effect of using the Chemmo Configuration game that has been developed based on pedagogical requirements and game requirements as a learning medium. The form of research used was Pre-Experimental Research with the design of a single group One Group Pretest-Posttest Design...
Proceedings Article

Study of Surface Plasmon Resonance of Gold Nanoparticles Stabilized by L-arginine

Amaria Amaria, Dina Kartika Maharani, Maria Monica Sianita
Gold nanoparticles (AuNP) capped by L-arginine have been synthesized. In this research, gold nanoparticles were synthesized by reducing the solution of Au(III) to Au(0) using trisodium citrate and capping agent L-arginine as a stabilizer. The ratio of Au(III) ions to amino acids is optimized to obtain...
Proceedings Article

Campesterol compound from Methanol Fraction of Brotowali (Tinospora crispa) Stem Bark

Weny A. J Musa, Suleman Duengo, Ahmad Kadir Kilo
Tinospora crispa is a plant of the Menispermaceae family which is one of the endemic plants in Indonesia, commonly called as Brotowali. Tinospora crispa have been used traditionally to treat fever, diabetes, rheumatism and sinusitis. The chemical components of the plant have not been reported so far....