Rudiana Agustini
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View article: The Effectiveness of CELL Model to Train Student’s Ethnoscience Literacy
The Effectiveness of CELL Model to Train Student’s Ethnoscience Literacy Open
Objective: This study aims to examine the effectiveness of Collaborative Ethnoscientific Literacy Learning (CELL) model to train student’s ethnoscience literacy competencies at Junior High School. Method: This research used a experimental …
View article: Effect of Fermentation Duration on the Chemical Characteristics and Antioxidant Activity of Sambiloto Leaf (Andrographis paniculata) Kombucha
Effect of Fermentation Duration on the Chemical Characteristics and Antioxidant Activity of Sambiloto Leaf (Andrographis paniculata) Kombucha Open
Fermentation is a biotechnological process that can modify chemical characteristics and increase antioxidant activity. The effect of fermentation time is very important for the quality of Andrographis paniculata (Andrographis paniculata) k…
View article: Antibacterial Activity of Probiotics from Naniura Made with Nile Tilapia (Oreochromis niloticus) against Salmonella typhi
Antibacterial Activity of Probiotics from Naniura Made with Nile Tilapia (Oreochromis niloticus) against Salmonella typhi Open
Microbial contamination in foodstuffs, particularly by pathogenic bacteria such as Salmonella typhi, is one of the leading causes of foodborne diseases, posing a serious threat to public health. The use of antibiotics to control infections…
View article: The Effect of Kelulut Honey (Trigona spp.) Concentration as a Natural Sugar on the Quality of Mung Bean Soyghurt (Vigna radiata L.)
The Effect of Kelulut Honey (Trigona spp.) Concentration as a Natural Sugar on the Quality of Mung Bean Soyghurt (Vigna radiata L.) Open
Mung bean soyghurt is a fermented functional food product developed from plant-based milk derived from mung beans (Vigna radiata L.). Lactic acid bacteria (LAB) are employed as the fermentative agents in the fermentation process, with the …
View article: Development of Learner Activity Sheets Based on Guided Inquiry to Improve Student Learning Outcomes on Chemical Equilibrium Material
Development of Learner Activity Sheets Based on Guided Inquiry to Improve Student Learning Outcomes on Chemical Equilibrium Material Open
Education plays an important role in improving the quality of human resources. In the context of implementing the Merdeka Curriculum, teachers are given the freedom to design adaptive and contextual learning processes. Based on preliminary…
View article: Investigating Culinary Vocational Students’ Sustainability Action through Learning of Physical and Chemical Changes
Investigating Culinary Vocational Students’ Sustainability Action through Learning of Physical and Chemical Changes Open
Vocational education is pivotal in advancing the Sustainable Development Goals (SDGs), particularly SDG 12, which emphasizes responsible consumption and production. However, preliminary studies indicate that sustainability action competenc…
View article: Detection of Voltage-Gated Sodium Channel (VGSC) L1014F knockdown-resistance (Kdr) mutation of Culex quinquefasciatus mosquitoes from Surabaya, Indonesia
Detection of Voltage-Gated Sodium Channel (VGSC) L1014F knockdown-resistance (Kdr) mutation of Culex quinquefasciatus mosquitoes from Surabaya, Indonesia Open
Listiandari IF, Sucipto TH, Fadila SZ, Setiawan AR, Fauziyah S, Madaniyah S, Dewi EC, Ihsan AS, Herdyastuti N, Agustini R, Saputri RD, Hariyono. 2025. Detection of Voltage-Gated Sodium Channel (VGSC) L1014F knockdown-resistance (Kdr) mutat…
View article: Connected Creative Problem Solving: An Alternative Integrative Learning Model Based on Thinking Skills
Connected Creative Problem Solving: An Alternative Integrative Learning Model Based on Thinking Skills Open
This research proposes an integrative learning approach based on the connected model, to train several thinking skills, which are relevant to the requirements of the 21st century. The Connected Creative Problem Solving (CCPS) model was des…
View article: Building Independent and Creative Characters: Entrepreneurship Programme in the Project of Strengthening Pancasila Learner Profile in Elementary School
Building Independent and Creative Characters: Entrepreneurship Programme in the Project of Strengthening Pancasila Learner Profile in Elementary School Open
This research is based on the background that every school is required to implement the Merdeka curriculum including SDIT Juara, in order to succeed the implementation of the curriculum there is a P5 programme in the form of an Entrepreneu…
View article: Accumulation of Pb in Brassica juncea in response to sludge paper waste application
Accumulation of Pb in Brassica juncea in response to sludge paper waste application Open
Sludge is one of the wastes produced by the paper industry which has the potential to be used as an ameliorant material. However, the obstacle is that sludge is considered a toxic and dangerous material because of the presence of heavy met…
View article: Effect of the Fermentation Time of Purple Sweet Potato (Ipomea Batatas L) Synbiotic Yoghurt with Probiotic Starter on Product Quality and Antioxidant Activity
Effect of the Fermentation Time of Purple Sweet Potato (Ipomea Batatas L) Synbiotic Yoghurt with Probiotic Starter on Product Quality and Antioxidant Activity Open
Purple sweet potato (Ipomea batatas L) has the potential as a fermentation medium because it has a high carbohydrate content of around 20.1%. The combination of purple sweet potato extract, skimmed milk, and probiotic starter is expected t…
View article: Effect of Red Guava (Psidium guajava L.) Juice Concentration on Product Quality and Antioxidant Activity of Red Guava Synbiotic Yoghurt
Effect of Red Guava (Psidium guajava L.) Juice Concentration on Product Quality and Antioxidant Activity of Red Guava Synbiotic Yoghurt Open
Red guava juice has very strong antioxidant activity and has the potential to be processed into synbiotic functional beverage products that have health benefits. This study examined the effect of red guava juice concentration on product qu…
View article: Development of Performance Assessment Instrument to Measure Students Laboratory Skills in Thermochemistry Practicum Exothermic and Endothermic Reactions
Development of Performance Assessment Instrument to Measure Students Laboratory Skills in Thermochemistry Practicum Exothermic and Endothermic Reactions Open
This development research was conducted to produce a performance assessment instrument that is feasible to use to measure students' laboratory skills in thermochemical practicum activities for exotherm and endotherm reactions based on fiel…
View article: Develpoment of Four Tier Multiple Choice Diagnostic Test Instrument to Detect Misconception on Chemical Bonding
Develpoment of Four Tier Multiple Choice Diagnostic Test Instrument to Detect Misconception on Chemical Bonding Open
Misconception is a concept that is not in accordance with scientific understanding which contradicts the concept that has been believed to be true by experts. Misconceptions in students will occur continuously if not given the right treatm…
View article: Development of Student Worksheets based Assessment for Learning on Chemical Equilibrium to Improve Student Science Process Skills
Development of Student Worksheets based Assessment for Learning on Chemical Equilibrium to Improve Student Science Process Skills Open
This study focuses on creating Student Worksheets (LKPD) that incorporate Assessment for Learning principles to improve students' scientific process skills in chemical equilibrium. The research employs the ADDIE (Analysis, Design, Developm…
View article: The quality of indonesian brands of consumable cooking oils is reviewed by peroxide numbers and free fatty acid value
The quality of indonesian brands of consumable cooking oils is reviewed by peroxide numbers and free fatty acid value Open
This study evaluated laboratory skills among the students during biochemistry practicum activities and built laboratory information for the internal and external community of Universitas Negeri Surabaya in 2024. The habit of reusing cookin…
View article: Effectiveness of the Connected Learning Cycle (CLC) for Training Scientific Literacy Skills and Argumentation Skills in Prospective Chemistry Teacher Students
Effectiveness of the Connected Learning Cycle (CLC) for Training Scientific Literacy Skills and Argumentation Skills in Prospective Chemistry Teacher Students Open
Objective: This research aims to determine the use of connected learning cycle (CLC) to practice scientific literacy skills and argumentation skills. Theoretical Framework: Connected learning cycle is a learning strategy using a connected …
View article: The Effect of Adding Avocados (Persea americana) on Microbiological and Chemical Qualities in Yoghurt Drinks
The Effect of Adding Avocados (Persea americana) on Microbiological and Chemical Qualities in Yoghurt Drinks Open
Yoghurt is one of the fermented products from cow's milk and skim milk as a source of protein to cover nutritional needs. With the development of innovation and the creation of food products, yogurt has many flavors from various fruits and…
View article: Development of e-Worksheet Guided Inquiry-Oriented to Train Students' Critical Thinking Skills on Buffer Solution Material
Development of e-Worksheet Guided Inquiry-Oriented to Train Students' Critical Thinking Skills on Buffer Solution Material Open
Research titled Development of a Guided Inquiry-Oriented e-Worksheet to Train Students' Critical Thinking Skills on Buffer Solution Materials aims to produce e-worksheets to train critical thinking skills. This research is development rese…
View article: The Duracy of Fermentation Effect on the Chemical Quality of Kimchi Krai (Cucumis sativus L.) as Probiotics
The Duracy of Fermentation Effect on the Chemical Quality of Kimchi Krai (Cucumis sativus L.) as Probiotics Open
This study aims to describe the effect of fermentation duration on the chemical quality of kimchi krai as a food containing probiotics, including total LAB, total titratable acid, pH, antioxidant activity, and level of liking. This researc…
View article: Total Flavonoid Content and In Vitro Anti-Inflammatory Potentials of Kombucha with Enrichment of Butterfly Pea (Clitoria ternatea) Flower Extract
Total Flavonoid Content and In Vitro Anti-Inflammatory Potentials of Kombucha with Enrichment of Butterfly Pea (Clitoria ternatea) Flower Extract Open
Kombucha is a fermented beverage from tea (Camellia sinensis) that is claimed to be beneficial for several medical ailments. Several studies have conducted nutritional enrichment of kombucha to optimize its nutritional benefits. One of the…
View article: Pre-service science teacher’s perception toward climate change and climate awareness
Pre-service science teacher’s perception toward climate change and climate awareness Open
This study aims to describe the perception of Pre-service Science Teachers (PSSTs) regarding climate change and climate awareness. This study used a mixed-method embedded design approach with data collection techniques in the form of quest…
View article: Development of Android-Based Marbles Chem Hydrocarbon Mobile Game Media to Improve Motivation and Learning Outcomes of 11th Grade Science Students
Development of Android-Based Marbles Chem Hydrocarbon Mobile Game Media to Improve Motivation and Learning Outcomes of 11th Grade Science Students Open
One of the uses of ICT in the world of education can be in the form of game media because students are actively involved in learning so that it can increase motivation. Learning outcomes are related to motivation, if the motivation given i…
View article: Isolation and identification of proteolytic lactic acid bacteria from freshwater pomfret (Colossoma macropomum) intestine
Isolation and identification of proteolytic lactic acid bacteria from freshwater pomfret (Colossoma macropomum) intestine Open
The production of freshwater pomfret (Colossoma macropomum) in Indonesia is abundant, but the digestive tract waste weighing 10-15% of the fish body is not widely utilized. The fish's digestive tract can potentially produce lactic acid bac…
View article: Effectiveness of ADI-STEM to Improve Student’s Science Literacy Skill
Effectiveness of ADI-STEM to Improve Student’s Science Literacy Skill Open
Objective: This study aims to analyze the effectiveness of the Argument-Driven Inquiry (ADI)–Science, Technology, Engineering, and Mathematics (STEM) model in improving students' scientific literacy abilities. Method: The method used in th…
View article: Science Process Skills Oriented E-LKPD Assisted by Liveworksheets on The Subject of Shifting Factors in Chemical Equilibrium
Science Process Skills Oriented E-LKPD Assisted by Liveworksheets on The Subject of Shifting Factors in Chemical Equilibrium Open
This development research aims to describe the feasibility of electronic-based Learner Worksheets to train science process skills assisted by liveworksheets on the sub-matter of shifting factors in the direction of chemical equilibrium. E-…
View article: Development of Website-Based Learning Media on Reaction Rate Material to Improve Student Learning Outcomes
Development of Website-Based Learning Media on Reaction Rate Material to Improve Student Learning Outcomes Open
This development research aims to describe the feasibility of website-based learning media for reaction-rate material. The feasibility of learning media is reviewed in terms of validity, practicality, and effectiveness. Media validity is m…
View article: Analysis of Effectiveness Argument-Driven Inquiry to Improve Students’ Argumentation Skill and Conceptual Understanding
Analysis of Effectiveness Argument-Driven Inquiry to Improve Students’ Argumentation Skill and Conceptual Understanding Open
Objective: This study examined the effectiveness of the Argument-Driven Inquiry learning model in science learning in improving students' argumentation skills and conceptual understanding. Method: The techniques used are 1) searching artic…
View article: Analysis of Effectiveness PBL-STEM to Improve Student’s Critical Thinking Skills
Analysis of Effectiveness PBL-STEM to Improve Student’s Critical Thinking Skills Open
Objective: This study aims to analyze the effectiveness of PBL-STEM in improving students' critical thinking skills. Method: The method used in this research is the literature review method. A literature review is a type of research that c…
View article: The Effectiveness of Online Critical Thinking Cycle Learning Model on Pre-service Science Teachers’ Critical Thinking Skills
The Effectiveness of Online Critical Thinking Cycle Learning Model on Pre-service Science Teachers’ Critical Thinking Skills Open
The development of critical thinking through educational interventions is still needed to prepare competitive graduates.Pre-service teachers play an essential role in developing critical thinking as the primary goal of learning.This study …