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All Journal Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Jurnal Kajian dan Penelitian Umum Prosiding Seminar Nasional Ilmu Sosial dan Teknologi (SNISTEK) Global Education : International Journal of Educational Sciences and Languages
Afriana Afriana
Unknown Affiliation
Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Social Sciences Other

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GROWTH OF Cyclotella sp. AS A STEP FOR HEAVY METAL TOXICITY TEST Afriana Afriana; Budijono Budijono; Andri Hendrizal
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol. 9 No. 2 (2022) Edisi 2 Juli s/d Desember 2022
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abstract

Abstract Toxicity is the ability of a material to cause adverse  effects when it hits the surface or body of the test organism. One of the test materials that can be used is the microalgae type Cyclotella sp. The purpose of this study was to study the ability of Cyclotella sp. as a test material meets the requirements for heavy metal toxicity tests. The growth phase of the microalgae Cyclotella sp. Observations were carried out for 17 days to see all the growth  phases of Cyclotella sp. This result indicate that there are four living phases of Cyclotella sp. It comprises of phases lag, an exponential phase, stationary phases and phases leading to death. Cyclotella sp. qualified as a test biota for a heavy metal toxicity test using phytoplankton, according to Asean- Canada Cooperative Programme on Marine Science Phase II. This is seen from the growth of cell density that exceeds the minimum limit on the fourth day of inoculation growth curve or at the beginning of an exponential phase with density of cell 123,5 x 106 cell.mL-1.The results of the literature study showed that Cyclotella sp. can be used as biota for toxity test. Keywords: Toxicity test, Cyclotella sp., Exponential, Density, Phytoplankton.
Analisis Semiotika Teori Roland Barthers pada Iklan “ Al Baik” : Makna Visual Afriana Afriana; Fatimatuzzahra Nasution; Nuzul Hasby; Ahmad Zulfadli
Jurnal Kajian dan Penelitian Umum Vol. 2 No. 6 (2024): Desember : Jurnal Kajian dan Penelitian Umum
Publisher : Institut Nalanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47861/jkpu-nalanda.v2i6.1400

Abstract

This research aims to analyze the visual meaning in Al Baik advertisements on Instagram featuring food and beverages. Using Roland Barthes' semiotic approach, this research examines visual elements such as images, colors, text, and composition to understand the messages conveyed. The research method used is descriptive qualitative. The results show that the visual elements in Al Baik advertisements not only depict food products, but also convey cultural values such as national pride, warmth of tradition, and affordability. Instagram as a social media platform has proven effective in conveying these messages through attractive and meaningful visuals. This research reveals how modern advertising can serve as a promotional tool as well as a means of cultural communication that is relevant in the digital age.
Analisis Kesantunan Berbahasa Sebagai Dampak Dari Penerapan Pendidikan Karakter Pada Siswa Afriana Afriana; Robby Satria Mandala
Prosiding Vol 1 (2018): SNISTEK
Publisher : LPPM Universitas Putera Batam

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This article is descriptive qualitative research. The object of this research is language politeness. Speech, including polite language is very important to be considered by the participants of communication (speakers and partners said) for the smooth communication. However, the reality nowadays, the Indonesian people have been getting a lot of influence from outside (modernization) so that the polite language is getting faded. Thus, the sublime character as an eastern man is increasingly invisible. Therefore, the researcher is interested in studying language politeness as the impact of character education which has two goals. First, describe the values of language politeness in communicating during the learning process in the classroom. Second, the impact of language politeness on character education. Participants in this study include students in grade IX SMPN 4 Batam Island. Data collection methods used observation, interview, and documentation. The results of this study 1. The values of language politeness in communicating during the learning process in the class of SMP Negeri 4 Batam that is Religious Value, Honest Value, Discipline, Tolerance, and Communication. The reason for choosing some of these character values is to remember less time to learn and limited participants’ ability. 2. the impact of language modesty on character education that is between the 18 values in character education there are some points that can be associated with language politeness include: appreciate achievement, friendly, caring environment, and social care. Language politeness can be integrated into sub-values in character education.
AI Chatbots for Personalized Grammar Feedback and Autonomous Learning to Improve Accuracy, Engagement, and Writing Skills Afriana Afriana; Sipri Hanus Tewarat; Tomas G. Belano
Global Education : International Journal of Educational Sciences and Languages Vol. 2 No. 1 (2025): February : Global Education : International Journal of Educational Sciences and
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70062/globaleducation.v2i1.257

Abstract

Grammar correction has long been recognized as one of the most essential yet challenging aspects of second language (L2) learning. Teachers are expected to provide detailed and contextual feedback, but this process is often time-consuming and less effective in large classrooms. This study investigates the potential of AI-based chatbots as innovative tools for delivering personalized and real-time grammar feedback to support English language learning. The research employed an experimental design involving two groups: an experimental group using AI chatbots for grammar practice and a control group applying traditional teacher-based correction. Data were collected through grammar pre-tests and post-tests, writing tasks, engagement and motivation questionnaires, classroom observations, and student reflection notes. The findings demonstrate that students in the experimental group achieved significantly higher improvements in grammar accuracy compared to the control group, particularly in subject–verb agreement, tense usage, and complex sentence structures. In addition, chatbot use fostered greater engagement, motivation, and active participation, with students reporting reduced language anxiety and increased confidence in practicing English. Writing performance also improved, as students in the experimental group produced more structured, coherent, and grammatically varied texts. These results highlight the potential of AI chatbots not only to enhance linguistic accuracy but also to promote autonomous and personalized learning. In conclusion, AI chatbots represent an effective and scalable pedagogical tool that can complement traditional teaching methods while addressing teachers’ time constraints and improving students’ overall language learning outcomes.
Co-Authors Ahmad Zulfadli Andri Hendrizal Budijono, Budijono Nasution, Fatimatuzzahra Nuzul Hasby Robby Satria Mandala Sipri Hanus Tewarat Tomas G. Belano