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POLA DISTRIBUSI MITOKONDRIA SEL-SEL TROFOBLAS BLASTOSIS MENCIT (Mus Muculus Albinus) DAN PENGARUHNYA TERHADAP KEGAGALAN HATCHING DAN IMPLANTASI Helmita, Roza; Djuwita, Ita; Purwantara, Bambang
Sainstek : Jurnal Sains dan Teknologi Vol 7, No 1 (2015)
Publisher : IAIN Batusangkar

Implantation is the most critical stage in the establishment of pregnancy. In mammals, it has been estimated that between 25% and 60% of conceptuses are lost before or at the time of implantation. The objectives of this study were to investigate the ability of blastocyst hatching and attachment of trophoblast cells in in vitro, the outgrowth and differentiation of trophoblast cells in in vitro culture of hatched and non hatched blastocyst, the activity of mitochondria NADH-CoQ reductase and the pattern of mitochondrial distribution. Blastocysts were collected from mice cornua utery at day-4 of pregnancy and were divided into 3 groups: blastocysts undergo hatching within 24 hours, 48 hours and non hatching. Embryos were cultured in DMEM medium in 5% CO2 incubator at 37°C for 10 days. The trophoblasts monolayer were processed for Giemsa staining and histochemistry analysis of NADH-tetrazolium reductase activity. The outgrowth of trophoblast cells were measured using eyespiece micrometer. The results showed the ability of blastocyst hatching in in vitro were different. The trophoblast outgrowth diameter of 24 h hatched blastocyst was significantly different with the 48 h hatched and non hatched blastocyst. The activity of NADH-CoQ reductase of 24 h and 48 h hatched blastocysts showed higher intensity than the non hatched blastocysts (P<0,05) and the distribution of mitochondrial in trophoblast cell cytoplasma of 24 h and 48 h hatched blastocyst were homogen around nucleus whereas thoes of non hatched blastocyst were cluster and heterogen. In conclusion, in in vitro study the failure of blastocysts hatching and implantation was due to the failure of outgrowth and differentiation of the trofoblast cells and the impairment of NADH-CoQ reductase activity in complex I mitochondria to produce energy and the pattern of mitochondrial distribution.Key words: mitochondrial distribution, NADH- tetrazolium reductase, trophoblast, implantation

Knowledge Enhancement Among Members of the Women Farmers Group (WFG) through Islamic Science-Based Soil Ecology Education Delfita, Rina; Helmita, Roza; Haviz, Muhammad; Fajar, Najmiatul; Marneli, Diyyan; Putra, Aidhya Irhash; KF, Dwi Rini; Aini, Latifah Zahra
Dimas: Jurnal Pemikiran Agama untuk Pemberdayaan Vol 23, No 2 (2023)
Publisher : LP2M of Institute for Research and Community Services - UIN Walisongo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/dms.2023.232.18554

Farmers' knowledge about soil ecology, which is a key factor in increasing the productivity of agricultural products, needs to be evaluated considering that various counseling efforts to increase agricultural yields have not shown satisfactory results. Farmers still unequally manage farmland, providing excessive chemical fertilizers without regard to soil ecology. The purpose of this education is to evaluate the knowledge of the Women's Farmers Group (WFG) before and after conducting soil ecology education based on Islamic science. The subjects of this education were 15 members of WFG Bunga Padi, Jorong Kawai, Nagari Batu Bulek, Lintau Buo Utara, Tanah Datar, West Sumatra, Indonesia. The community-based research (CBR) approach is used in this educational activity. The stages of educational activities start from socialization, laying the basis of the research and the research design, providing pretests and materials, gathering information and analyzing data on biological factors, capillarity of groundwater, water holding capacity, soil aeration, soil fertility, and soil pH, and the evaluation (post-test). The results show an increase in knowledge and understanding among WFG Bunga Padi members after Islamic science-based soil ecology education. It is hoped that, over time, their mindset in managing farmland will be balanced, with less reliance on chemical fertilizers and more emphasis on soil ecology. As a result, Islamic science-based soil ecology education could have a role in improving farmland and laying the foundation for organic farming.

Development of Podcast Media in Learning Digestive System Material in Senior High School: Design and Implementation Putri, Ardea Mesitha; Helmita, Roza; Fajar, Najmiatul; Haviz, M
Bioeducation Journal Vol 8 No 2 (2024): Bioeducation Journal
Publisher : Universitas Negeri Padang Address: Biology Education Study Program Faculty Mathematics and Natural Science (FMIPA) Jl. Prof. Dr. Hamka Air Tawar Barat, Padang-West Sumatera-Indonesia Telp. +62751-7057420 - Fax.+62751-7058772 - Ph. +6281363229286

Show Abstract | Download Original | Original Source | Check in Google Scholar

This research is motivated by the condition of differences in students' levels of understanding of biology learning material which causes the learning process in class to become passive, apart from that students also have low interest in reading and rarely repeat learning material at home. The solution that the author offers is to develop additional audio-based learning media to help students learn independently outside the classroom. This learning media can be listened to by students whenever and wherever they are. The objectives of this research include analyzing the needs of teachers and students for the media being developed and to determine the validity and practicality of developing biology podcast media on class XI digestive system material. MIPA. The method used in this research is research and development (R&D) with a 4D approach (define, design, develop, and disseminate), but this research did not reach the dessiminate. The instruments used in this research were student needs analysis sheets for learning media development, validity test sheets, and practicality test sheets for Podcast media. Based on this research, the percentage of validity of podcast media was 86% in the very valid category, practicality by teachers was 85% in the very practical category, and practicality by students was 74% in the practical category. It can be concluded that the podcast media is in accordance with the needs of teachers and students and is ready and practical to use.

Pengembangan Modul Praktikum Biologi Berbantuan Video Praktikum Pada Materi Sel di Kelas XI Oktavia, Nadira; Fajar, Najmiatul; Helmita, Roza; Delfita, Rina
Edusainstika: Jurnal Pembelajaran MIPA Vol 4, No 2 (2024)
Publisher : Universitas Islam Negeri Mahmud Yunus Batusangkar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31958/je.v4i2.13809

This research is motivated by the limited learning media such as PPT, videos, textbooks, and LKPD used which can hinder learning and the absence of a practical module or practical implementation guidelines that can hinder the course of the practical work and the lack of student motivation in learning biology. Therefore, the researcher developed a Video-Assisted Biology Practical Module on Cell material. With the aim of seeing the validity and practicality of the Video-Assisted Biology Practical Module on Cell Material which is valid and practical. The type of research used is development research (Research & Development). The RnD model used is 4-D. With reporting covering up to the third stage, namely develop which involves validity and practicality. The research instruments used are validity sheets and practicality sheets. The results of the study showed that the developed module met all aspects of development research and was in accordance with the desired module characteristics. The Video-Assisted Biology Practical Module was considered very valid with an average validation result reaching 92% for the module and 89% for the practical video. In addition, the average practicality result of the student response questionnaire is 87%, which is also categorized as very practical. Based on the response questionnaire from students, this practical module is included in the very practical category and is ready to be used in the learning process.

Education On Processing Organic Waste Into Liquid Organic Fertilizer Using The ABCD Approach Delfita, Rina; Mawarni, Lisa Fitri; Nurhaliza, Tetes; Helmita, Roza; Rosmiati, Rosmiati; Zahraini, Zahraini
Jurnal Masyarakat Religius dan Berwawasan Vol 4, No 1 (2025): Masyarakat Religius dan Berwawasan
Publisher : Universitas Islam Negeri Mahmud Yunus Batusangkar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31958/marawa.v4i1.15318

Educating high school students about processing organic waste into liquid organic fertilizer using the ABCD (Asset-Based Community Development) approach aims to increase environmental awareness and practical skills among students. In this program, students are involved in a series of workshops that teach the process of processing organic waste through fermentation, as well as the importance of sustainable waste management. The ABCD method focuses on utilizing the potential and resources available in the community, encouraging students to collaborate on practical projects. This method has several stages, namely discovery, design, define and destiny. The stakeholders involved are the principal, biology teacher and 20 students of SMAN 2 Sungai Tarab, Tanah Datar, West Sumatra. Based on the results of the activities that have been carried out, it was found that with the ABCD approach, students of SMAN 2 Sungai Tarab have succeeded in developing their assets in the form of increasing skills in processing organic waste into liquid organic fertilizer and initiating the creation of POC sustainably. Thus, education on processing organic waste into liquid organic fertilizer with the ABCD approach can improve organic waste processing skills and the younger generation's concern for the environment.

Designing a STAD based differentiated e-module to enhance instructional quality in digestive system with qur’anic integration Susanti; Wulandari, Martha; Helmita, Roza; Fajar, Najmiatul; Fitri, Dwi Rini Kurnia; Haviz, M.
Biosfer: Jurnal Pendidikan Biologi Vol. 18 No. 2 (2025): Biosfer: Jurnal Pendidikan Biologi
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/biosferjpb.54514

This development research aims to produce valid and practical e-modules based on Differentiated Instruction using the STAD model, integrating Al-Qur'an content in the Digestive System topic. This type of research is development research (R&D) using the 4D model (define, design, develop and dissaminate), but the research was limited to the development stage due to constraints in time and funding. This research was conducted in grade XI of senior high school during the 2024/2025 school year. The sample in this study were class XI students totaling 33 people. The e-module was designed using the Canva application then converted using heyzine flipbook and liveworksheets for student worksheets, after completion of the e-module design, it was assessed by material, media and language and design validators using an instrument in the form of a validation questionnaire. The e-module was then tested on a small group to see the level of practicality of the product using the teacher and student response sheet instrument. The sheets were then analyzed using the percentage validation and practicality formulas. Data collection was obtained from the results of the validator questionnaire and student respondents. The results of the study showed that the resulting e-module was very valid with a validation score of 86% and very practical with a response percentage of educators at 100% and students at 89%. Based on the responses of the educator and student questionnaires, the e-learning module is categorized as highly practical and can be used in the learning process.

Knowledge Enhancement Among Members of the Women Farmers Group (WFG) through Islamic Science-Based Soil Ecology Education Delfita, Rina; Helmita, Roza; Haviz, Muhammad; Fajar, Najmiatul; Marneli, Diyyan; Putra, Aidhya Irhash; KF, Dwi Rini; Aini, Latifah Zahra
Dimas: Jurnal Pemikiran Agama untuk Pemberdayaan Vol. 23 No. 2 (2023)
Publisher : LP2M of Institute for Research and Community Services - UIN Walisongo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/dms.2023.232.18554

Farmers' knowledge about soil ecology, which is a key factor in increasing the productivity of agricultural products, needs to be evaluated considering that various counseling efforts to increase agricultural yields have not shown satisfactory results. Farmers still unequally manage farmland, providing excessive chemical fertilizers without regard to soil ecology. The purpose of this education is to evaluate the knowledge of the Women's Farmers Group (WFG) before and after conducting soil ecology education based on Islamic science. The subjects of this education were 15 members of WFG Bunga Padi, Jorong Kawai, Nagari Batu Bulek, Lintau Buo Utara, Tanah Datar, West Sumatra, Indonesia. The community-based research (CBR) approach is used in this educational activity. The stages of educational activities start from socialization, laying the basis of the research and the research design, providing pretests and materials, gathering information and analyzing data on biological factors, capillarity of groundwater, water holding capacity, soil aeration, soil fertility, and soil pH, and the evaluation (post-test). The results show an increase in knowledge and understanding among WFG Bunga Padi members after Islamic science-based soil ecology education. It is hoped that, over time, their mindset in managing farmland will be balanced, with less reliance on chemical fertilizers and more emphasis on soil ecology. As a result, Islamic science-based soil ecology education could have a role in improving farmland and laying the foundation for organic farming.

Training on Designing Digital Learning Media for MGMP Biology Teachers at SMA/MA Dharmasraya Fajar, Najmiatul; Putra, Aidhya Irhash; Marneli, Diyyan; Delvita, Rina; Haviz, M; Helmita, Roza; Kurnia Fitri, Dwi Rini; Nurlaila, Nurlaila
MARAWA: Jurnal Masyarakat Religius dan Berwawasan Vol 1 No 1 (2022): Masyarakat Religius dan Berwawasan
Publisher : Universitas Islam Negeri Mahmud Yunus Batusangkar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31958/mrw.v1i1.6426

Learning media is one component of learning that is very important in achieving learningobjectives. Along with the development of the times, teachers must also be able to adjust theircompetence in creating technology-based media. One of the technology-based media is digital learningmedia. Through applications such as Canva, Flip Pdf Professional and Augmented Reality, teachers cancreate interesting learning media that can help achieve learning goals effectively. The method used inthe training in designing digital learning media for MGMP Biology teachers at SMA/MA Dharmasrayaconsists of the preliminary stage, namely analyzing problems and preparing training materials, theimplementation stage, by guiding teachers in designing digital media, and evaluation throughobservation and distributing questionnaires. Then the evaluation results will be described as aconclusion from the implementation of this training. Through this training, it can be concluded that thematerial provided during the training has been able to equip the biology MGMP teachers of SMA/MADharmasraya in making digital media, the trainees are very enthusiastic when studying the materialprovided, and based on the results of the questionnaire this training has gone well so it is recommendedthat the implementation This training is sustainable.

Education On Processing Organic Waste Into Liquid Organic Fertilizer Using The ABCD Approach Delfita, Rina; Mawarni, Lisa Fitri; Nurhaliza, Tetes; Helmita, Roza; Rosmiati, Rosmiati; Zahraini, Zahraini
MARAWA: Jurnal Masyarakat Religius dan Berwawasan Vol 4 No 1 (2025): Masyarakat Religius dan Berwawasan
Publisher : Universitas Islam Negeri Mahmud Yunus Batusangkar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31958/marawa.v4i1.15318

Educating high school students about processing organic waste into liquid organic fertilizer using the ABCD (Asset-Based Community Development) approach aims to increase environmental awareness and practical skills among students. In this program, students are involved in a series of workshops that teach the process of processing organic waste through fermentation, as well as the importance of sustainable waste management. The ABCD method focuses on utilizing the potential and resources available in the community, encouraging students to collaborate on practical projects. This method has several stages, namely discovery, design, define and destiny. The stakeholders involved are the principal, biology teacher and 20 students of SMAN 2 Sungai Tarab, Tanah Datar, West Sumatra. Based on the results of the activities that have been carried out, it was found that with the ABCD approach, students of SMAN 2 Sungai Tarab have succeeded in developing their assets in the form of increasing skills in processing organic waste into liquid organic fertilizer and initiating the creation of POC sustainably. Thus, education on processing organic waste into liquid organic fertilizer with the ABCD approach can improve organic waste processing skills and the younger generation's concern for the environment.

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