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View article: Development of Assessment as Learning Instruments to Improve Chemistry Pre-Service Teachers’ Argumentation Skills Using AI-Assisted Collaborative Argumentation Online Whiteboard
Development of Assessment as Learning Instruments to Improve Chemistry Pre-Service Teachers’ Argumentation Skills Using AI-Assisted Collaborative Argumentation Online Whiteboard Open
The study developed an assessment as learning instrument to foster the argumentation skills of pre-service chemistry teachers. The instrument was designed as an alternative assessment tool that integrates self-assessment, peer assessment, …
View article: Design, Synthesis, and In Silico Studyof Two N-Substituted Pyrazinamide Analogs as Potential Antituberculosis Agents
Design, Synthesis, and In Silico Studyof Two N-Substituted Pyrazinamide Analogs as Potential Antituberculosis Agents Open
Tuberculosis (TB) is an infectious yet often overlooked disease that remains a significant global challenge. Pyrazinamide (PZA), a key drug in the first-line TB treatment regimen, is used to reduce the duration of therapy, making it a comp…
View article: The Potency of Noni Leaves Extract (Morinda citrifolia L.) as a Bioreductor in the Synthesis of Copper Nanoparticles and Its Effectiveness as an Antibacterial against Streptococcus pyogenes
The Potency of Noni Leaves Extract (Morinda citrifolia L.) as a Bioreductor in the Synthesis of Copper Nanoparticles and Its Effectiveness as an Antibacterial against Streptococcus pyogenes Open
The noni (Morinda citrifolia L) is one of Indonesia’s traditional medicinal plants, which people have widely used to treat dysentery, hypertension, diabetes, and heart attacks and prevent cancer. The noni contains phenolic compounds, namel…
View article: Enhancing Critical Thinking Skills for Sustainable Education: a Case Study of Indonesian Junior High School Students in Kuala Lumpur, Malaysia to Support SDG-4 Quality Education
Enhancing Critical Thinking Skills for Sustainable Education: a Case Study of Indonesian Junior High School Students in Kuala Lumpur, Malaysia to Support SDG-4 Quality Education Open
Objective: This study examines the critical thinking skills (CTS) of Indonesian junior high school students in science learning, with a focus on food additives, to contribute to SDG 4: Quality Education. The aim is to identify areas for im…
View article: Synthesis and Characterization of ZnO Nanoparticles using the Duwet (Syzygium cumini) Leaves Extract as Bioreductor
Synthesis and Characterization of ZnO Nanoparticles using the Duwet (Syzygium cumini) Leaves Extract as Bioreductor Open
The synthesis of ZnO nanoparticles was conducted using a green synthesis method that utilizes plants as bioreductors. The secondary metabolites contained in the plants can act as bioreductors in the reduction process of metal oxides and as…
View article: Silver Nanoparticles Synthesized from Kenitu (Chrysophyllum caintio L.) Leaf Extract and Its Potential as Antibacterial Agents
Silver Nanoparticles Synthesized from Kenitu (Chrysophyllum caintio L.) Leaf Extract and Its Potential as Antibacterial Agents Open
Currently, nanoparticles are one of the promising technologies and have been applied in various sectors. Silver nanoparticles is one of implementation in nanoparticles and have been applied in the industrial and medical. Green synthesis of…
View article: SYNTHESIS AND CHARACTERIZATION OF COPPER NANOPARTICLES USING CARICA DIENG (Carica pubescens) SEED EXTRACT AS A BIOREDUCER AND TESTING THEIR ANTIBACTERIAL ACTIVITY
SYNTHESIS AND CHARACTERIZATION OF COPPER NANOPARTICLES USING CARICA DIENG (Carica pubescens) SEED EXTRACT AS A BIOREDUCER AND TESTING THEIR ANTIBACTERIAL ACTIVITY Open
View article: Scientific Literacy Profile of Prospective Science Teacher Students
Scientific Literacy Profile of Prospective Science Teacher Students Open
Objective: This research aims to describe and analyze the scientific literacy achievements of prospective science teacher students. Scientific literacy is one of the skills that prospective science teacher students must master to promote s…
View article: The Hypothetic OMIRE Learning Model to Improve The Scientific Literacy of Prospective Science Teachers
The Hypothetic OMIRE Learning Model to Improve The Scientific Literacy of Prospective Science Teachers Open
Objective: Prospective science teachers must have good scientific literacy skills as critical agents in developing future generations' scientific literacy. However, the scientific literacy skills of prospective science teachers in Indonesi…
View article: Analysis of Interview Results on The Remediation Process of The Dynamic Equilibrium Concept With The Representation-Metacognitive Reinforcement Conceptual Change Model (R-MR CCM)
Analysis of Interview Results on The Remediation Process of The Dynamic Equilibrium Concept With The Representation-Metacognitive Reinforcement Conceptual Change Model (R-MR CCM) Open
Objective: This research aims to determine conceptions and changes in conceptions and analyze the results of interviews regarding the remediation process of the dynamic equilibrium concept. Theoretical Framework: Theories associated with s…
View article: The Potential of Daruju Leaf Extract (Acanthus Ilicifolius) as a Bioreductor in the Synthesis of Silver Nanoparticles and Antibacterial Activity Test
The Potential of Daruju Leaf Extract (Acanthus Ilicifolius) as a Bioreductor in the Synthesis of Silver Nanoparticles and Antibacterial Activity Test Open
Silver nanoparticles had been synthesized through the bioreduction process using daruju (Acanthus ilicifolius) leaf extract as a bioreductant. The variation of the formula used is a mixture of daruju leaf extract with a 0.01 M AgNO3 soluti…
View article: CoMCoRe-LS: an instructional design to enhance pedagogical content knowledge of pre-service physics teachers
CoMCoRe-LS: an instructional design to enhance pedagogical content knowledge of pre-service physics teachers Open
View article: Analysis of Student Conceptions and Conceptional Changes About Chemical Equilibrium Materials in Pressure Factors
Analysis of Student Conceptions and Conceptional Changes About Chemical Equilibrium Materials in Pressure Factors Open
Objective: This study aims to determine the conception and changes in conception of the pressure factor in chemical equilibrium material. Theoretical Framework: Theories associated with student misconceptions, methods for identifying stude…
View article: Validity of PBEST Learning Model: An Innovative Learning to Improve Creative Thinking Skill and Entrepreneurial Science Thinking
Validity of PBEST Learning Model: An Innovative Learning to Improve Creative Thinking Skill and Entrepreneurial Science Thinking Open
Based on the results of previous studies, evidence was acquired indicating that the creative thinking abilities of pupils in various locations of Indonesia still require improvement. Creative and innovative thinking in science learning int…
View article: Synthesis and Characterization of Ethanol Extract Nanoherb of Tapak Liman Leaves (Elephantopus scaber Linn.) by Ionic Gelation Method
Synthesis and Characterization of Ethanol Extract Nanoherb of Tapak Liman Leaves (Elephantopus scaber Linn.) by Ionic Gelation Method Open
Tapak Liman (Elephantopus scaber) is a plant that has been used by Indonesian people as a traditional medicine to treat diarrhea, fever, malaria, and coughs. Tapak Liman leaves contain compounds of flavonoids, phenols, and saponins. Howeve…
View article: Synthesis and Characterization of Nanoherbal of Reed Root Ethanol Extract (Imperata cylindrica L) Using Ionic Gelation Method
Synthesis and Characterization of Nanoherbal of Reed Root Ethanol Extract (Imperata cylindrica L) Using Ionic Gelation Method Open
The purpose of this study was to determine the characteristics of nanoherbal of reed root ethanol extract (Imperata cylindrica L) and optimal variations of alginate and CaCl2 for the manufacture of nanoherbal of reed root ethanol extract. …
View article: Anti-Arthritic Activity of Combination of Caesalpinia sappan and Zingiber officinale Extracts in Complete Freund’s Adjuvant- Induced Arthritic in Rats
Anti-Arthritic Activity of Combination of Caesalpinia sappan and Zingiber officinale Extracts in Complete Freund’s Adjuvant- Induced Arthritic in Rats Open
Several plant species, including sappan and red ginger, have been studied to treat inflammation. Each species has been tested for anti-arthritis, but a combination of the two species has never been done. This study was conducted to test th…
View article: Toxicity Test on the Combination of Caesalpinia sappan and Zingiber officinale in Rattus norvegicus Induced by Complete Freund's Adjuvant
Toxicity Test on the Combination of Caesalpinia sappan and Zingiber officinale in Rattus norvegicus Induced by Complete Freund's Adjuvant Open
Highlights:1. This study determined the toxic effects of combining Caesalpinia sappan and Zingiber officinale extracts, aspeople need to be aware of the potential side effects of these common herbal remedies for the treatment ofrheumatoid …
View article: Scoping Literature Review of STEM Research in Indonesia in Improving Critical Thinking Skills and Concepts Mastery
Scoping Literature Review of STEM Research in Indonesia in Improving Critical Thinking Skills and Concepts Mastery Open
The publication of previous articles on STEM research was still limited to describing the impact of STEM on learning and did not provide specific information on certain competencies. In addition, these publications are still limited to one…
View article: Improving the Competence of Chemistry Teachers in Developing the Assessment Instrument Based on Higher Order Thinking Skills (HOTS)
Improving the Competence of Chemistry Teachers in Developing the Assessment Instrument Based on Higher Order Thinking Skills (HOTS) Open
This study aims to describe the profile of the ability of chemistry teachers in developing the assessment instrument based on higher order thinking skills (HOTS), increasing the ability to develop the assessment instrument based on HOTS an…
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 …
View article: Improving Student's Critical Thinking Skills and Self Efficacy Through Implementation of Integrated Guided Inquiry Model with Science, Technology, Engineering and Mathematics (STEM)
Improving Student's Critical Thinking Skills and Self Efficacy Through Implementation of Integrated Guided Inquiry Model with Science, Technology, Engineering and Mathematics (STEM) Open
The purpose of the study is to ascertain whether students' critical thinking abilities and sense of self-worth have increased as a result of using a guided inquiry methodology that incorporates STEM subjects (Science, Technology, Engineeri…
View article: Synthesis and Characterization of Silver Nanoparticles from Ethanol Extract of Meniran (Phyllanthus Niruri L.) Using Bioreduction Method
Synthesis and Characterization of Silver Nanoparticles from Ethanol Extract of Meniran (Phyllanthus Niruri L.) Using Bioreduction Method Open
The synthesis of silver nanoparticles by the bioreduction method has been successfully carried out using the meniran (P. niruri) as bioreductor. The synthesis was started by varying the volume of AgNO3 in the ethanol extract of meniran 1:1…
View article: A Guideline of Determination Haram Status of Intentionally Adding Animal Plasma in Surimi Products
A Guideline of Determination Haram Status of Intentionally Adding Animal Plasma in Surimi Products Open
The process of intentionally adding animal plasma additive (APA) into surimi products is part of the polemic issues are getting attention among Muslim consumers. APA possesses good functional properties such as improving emulsifying capaci…
View article: Antioxidant of Effervescent Tablet Formulated from Combination of Secang Wood and Red Ginger Extracts
Antioxidant of Effervescent Tablet Formulated from Combination of Secang Wood and Red Ginger Extracts Open
Secang wood has strong antioxidant properties because it contains phenolic compounds such as flavonoids and brazilin. Also, red ginger has antioxidant derived from nonvolatile phenolic compounds. Until now, there has been no use of a combi…
View article: Green Synthesis and Characterization of Silver Nanoparticles Derived from Ethanol Extract of Sappan Wood
Green Synthesis and Characterization of Silver Nanoparticles Derived from Ethanol Extract of Sappan Wood Open
ABSTRACT: Silver nanoparticles had been synthesized through the reduction process using an ethanol extract of sappan wood (Caesalpinia sappan L.) as a bioreductor. The variation of the formula used is a mixture of…
View article: Critical thinking cycle model to promote critical thinking disposition and critical thinking skills of pre-service science teacher
Critical thinking cycle model to promote critical thinking disposition and critical thinking skills of pre-service science teacher Open
Developing critical thinking in teaching-learning activity is a major issue for educational institutions, and giving appropriate learning model intervention certainly provides an assurance to successfully develop competitive graduates for …
View article: SKRINING FITOKIMIA, KANDUNGAN FLAVONOID TOTAL, DAN AKTIVITAS ANTIOKSIDAN EKSTRAK ETANOL TUMBUHAN Selaginella doederleinii
SKRINING FITOKIMIA, KANDUNGAN FLAVONOID TOTAL, DAN AKTIVITAS ANTIOKSIDAN EKSTRAK ETANOL TUMBUHAN Selaginella doederleinii Open
Selaginella doederleinii merupakan tumbuhan paku yang berasal dari China, namun telah dibudidayakan di Indonesia. Tumbuhan tersebut dimanfaatkan oleh masyarakat untuk melancarkan aliran darah, menghilangkan bengkak, antitoksik, antikanker,…
View article: SINTESIS DAN KARAKTERISASI NANOHERBAL EKSTRAK ETANOL KAYU SECANG (Caesalpinia sappan L.)
SINTESIS DAN KARAKTERISASI NANOHERBAL EKSTRAK ETANOL KAYU SECANG (Caesalpinia sappan L.) Open
Tanaman secang (Caesalpinia sappan L.) merupakan salah satu tanaman obat Indonesia yang sudah banyak dimanfaatkan oleh masyarakat. Ekstrak etanol kayu secang diketahui memiliki aktivitas antioksidan yang kuat. Sediaan dalam bentuk ekstrak …
View article: The Isolasi Aktinomiset Pelarut Fosfat Asal Perakaran Tembakau (Nicotiana tabacum L.) di Antirogo Jember
The Isolasi Aktinomiset Pelarut Fosfat Asal Perakaran Tembakau (Nicotiana tabacum L.) di Antirogo Jember Open
Fosfor (P) merupakan makronutrien terpenting kedua yang dibutuhkan tanaman. Fosfat dalam tanah berada dalam bentuk terikat oleh ion Fe3+, Al3+ dan Ca2+ sehingga tidak tersedia bagi tanaman. Penelitian ini bertujuan untuk mengisolasi dan me…