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Analisis Keragaman Genetik Temulawak (Curcuma xanthorrhiza Roxb.) Menggunakan Penanda Amplified Fragment Length Polymorphism (AFLP) damayanti, dini; tajuddin, teuku; purwoko, devit; zulaeha, siti; suharsono, suharsono
Jurnal Sains dan Teknologi Indonesia Vol. 14 No. 3 (2012)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Curcuma xanthorrhiza Roxb, which is well-known as Java turmeric, has been extensively used in pharmaceutical industries in Indonesia. In spite of this commercial value, the identity of this species is commonly mistaken from other similar orange rhizomes Curcuma. Correct identity of these species is vital in pharmaceutical industries. The objective of the study was to determine genetic diversity of 32 accession Curcuma xanthorrhiza Roxb. Genomic DNA was extracted from leaf using Sodium Dodesyl Sulphate (SDS) modification. Amplified fragment length polymorphism (AFLP) was carried out according to the protocol ofAFLPTM plant mapping kit and the final polymerase chain reaction (PCR) products were separated using The Agilent 2100 Bioanalyzer. The number of fragment produced by 12 pairs primer combination of AFLP ranged from 42 to 60 with an average of 52. Data obtained was analyzed by the NTSys program. From the AFLP amplification on 32 DNA samples, it was proven that the accession of Curcuma xanthorrhiza Roxb. had a high degree of diversity. Based on analysis of AFLP and unweighted pair group with arithme average (UPGMA) it was shown that the accession of Curcuma xanthorrhiza Roxb. could be grouped into two cluster at relative ecludian distance of 0.10 (10%). Cluster I for accession from Palembang, Pacitan and Ciamis 2. Cluster II for accession from Makale, Pontianak, Kulonprogo, Mataram, Boyolali, Salatiga, Sumberejo, Bali, P. Seram, Sentolo, Purworejo, Samas Bantul, Ciamis1, Blora, Semarang, Poso, Kalsesl, Tagari, Merapi Farm, Salakaria, NTB, Menoreh, Karang Anyar, Mangunan, Medan, Toraja, dan Solok.

PENGARUH METODE MIND MAPPING TERHADAP PEMBELAJARAN MENULIS TEKS EKSPOSISI PADA SISWA SMP Damayanti, Dini; Ismayani, Mekar
Parole (Jurnal Pendidikan Bahasa dan Sastra Indonesia) Vol 2, No 6 (2019): VOLUME 2 NOMOR 6, November 2019
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/p.v2i6p%p.3775

This research is motivated by the difficulties faced by students when writing exposition texts, one of which is that there are still many students who complain in developing ideas to make a writing and lack of students' understanding of the exposition text structure. To overcome this problem, we need a learning method that has never been applied to students, namely the mind mapping method. Mind mapping method can increase students to write exposition text, because it can store material easily into the brain and can easily be expressed again. In this study, researchers used the experimental method by collecting data in the form of initial tests (pre-test) and final tests (post-test) with a sample of 30 MTs students. Based on the data obtained, the comparison of the results of learning exposition text writing with a mind mapping method can affect the learning process. Evidence states that the comparison results obtained by students are quite significant, before using mind mapping methods obtain an average of 73.2 and after using the mind mapping method obtain an average of 81.36. So, writing learning using the mind mapping method can be used in the classroom in learning exposition text writing.

PENGARUH KONSENTRASI MEDIUM EKSTRAK TAUGE (MET) TERHADAP PERTUMBUHAN Scenedesmus ISOLAT SUBANG Prihantini, Nining Betawati; Damayanti, Dini; Yuniati, Ratna
Makara Journal of Science Vol. 11, No. 1
Publisher : UI Scholars Hub

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

The effect of Tauge Extract Medium (TEM) concentration to the growth of Subang isolated Scenedesmus. Research on the effect of several concentration of Tauge Extract Medium (TEM) to Scenedesmus Meyen cell densities was conducted. The research was an experimental study with complete random design with 8 treatments, i.e. 1%, 2%, 3%, 4%, 5%, 6% TEM, aqua bides, and Bold Basal Medium (BBM). The results showed that TEM concentration effected cell densities of Scenedesmus. At peak condition, the highest cell density (3.981.071 sel/mL) was occurred in 4% at the day of seven, and the lowest cell density (87.096 sel/mL) in aqua bides at the day of three. Kruskal-Wallis test showed that there were differences between the mean of cell densities on all treatment media. Multiple comparison test showed that mean of cell numbers of Scenedesmus differed among treatments (p value>0,05) between aqua bides with 1%, 2%, 3%, 4%, 5%, 6%, and BBM.

Analisis Assesment Akademik dan Perkembangan dalam Menangani Siswa Slow Learner SDN Bojong 1 Pinang Kota Tangerang Fadhillah, Septy Nur; Rahmanda, Farah Putri; Anggraeni, Serly; Damayanti, Dini; Salsabila, Putri; Hilmiyah, Zulfah; Utari, Aprilia Tri; Apriansyah, Fiqih
TSAQOFAH Vol 2 No 6 (2022): NOVEMBER
Publisher : Lembaga Yasin AlSys

This study aims to analyze academic assessment and teacher development in dealing with slow learner grade II elementary school students. A slow learner is one type of child with special needs, or what is called a disability, has different learning needs in general and tends to experience learning barriers. Therefore, teachers need to require appropriate assessments, therefore the selected assessments are academic assessments and developmental assessments. This research is a qualitative research with case study method design. Data collection techniques in this study are by means of interviews, documentation and observation. The validity of the data used in this study is using source triangulation and technical triangulation. Source triangulation means that researchers obtain data from different sources using the same technique. While technical triangulation, the data obtained in the field will be compared and checked from interviews, documentation and observations conducted at State Elementary School Bojong 1 Pinang, Tangerang City. The data sources used are documents and interviews with teachers at State Elementary School Bojong 1 Pinang, Tangerang City, with research results obtained during observations from class teacher resource persons for students who have special needs before registering first conduct a psychological check to check the IQ of the students who register whether it is in accordance with the provisions of the school, then a statement from the special supervisor teacher for the process of knowing in addition to psychology, it is also based on statements from homeroom teachers who are in the classroom seen from the learning outcomes of students. Because State Elementary School Bojong 1 Pinang has just been established by the government in 2022 in January.

Pengembangan Desain Pembelajaran Online terhadap Guru Kelas di Era Pandemik Covid-19 di SD Negeri Jakarta Barat Damayanti, Dini
ANWARUL Vol 2 No 1 (2022): FEBRUARI
Publisher : Lembaga Yasin AlSys

The purpose of this study is to identify and obtain information about the impact of the Covid-19 pandemic on the thematic learning process in elementary schools. This research uses a qualitative descriptive approach with a case study method. The setting of the research was carried out at SDN 09 Duri Kosambi West Jakarta. The research subjects included teachers, students, and parents of students by observing and conducting interviews on the implementation of online learning during the COVID- 19 pandemic. The stages of this research follow qualitative research procedures such as data collection, data reduction, data presentation, and drawing conclusions. The results of the study reveal that the implementation of thematic learning cannot be carried out ideally as in normal situations / before the Covid-19 pandemic occurred. More learning is carried out separately and not integrated between subjects as how integrative thematic learning should be carried out. Meanwhile, of the 4 student competencies that should be learning outcomes in thematic learning, the competencies that can be implemented and achieved maximally are knowledge competencies. The results of this study are expected to provide recommendations for education providers and all education stakeholders so that the educational process can continue under any conditions.

Edukasi Media Booklet Meningkatkan Pengetahuan Ibu Tentang Stunting: Penelitian Quasi Eksperimental Damayanti, Dini; Linda
WOMB Midwifery Journal Vol. 3 No. 2 (2024): Desember 2024
Publisher : Pusat Penelitian dan Pengabdian Masyarakat (PPPM) STIKes Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54832/wombmidj.v3i2.491

The growth and development of children during the toddler stage are the foundation for their success in the future. Stunting is one of the indicators of suboptimal growth. Lack of knowledge about stunting is one of the factors influencing its high occurrence. This quasi-experimental study aims to determine the improvement in maternal knowledge about stunting before and after receiving education through a booklet. The study was conducted on 30 respondents, who were given the same questionnaire before and after the intervention, with a 3-hour gap after receiving education using the booklet. Data analysis followed a paired T-test. Based on the research results, it is evident that the majority of respondents are aged 20-35 years, with most being high school graduates and not employed. And the results of the analysis showed that there was an increase in maternal knowledge about stunting before being given booklet media education with an average 76.83% and after being given booklet media education with an average 81.83%, with a p-value of 0.000, indicating significance (p < 0.05). Therefore, it can be concluded that there is an impact of the media booklet education on maternal knowledge about stunting. Providing education through booklets to mothers with young children is beneficial in preventing stunting. Booklets are an effective health education medium as they enhance maternal knowledge about stunting and are practical to carry and read anytime.

Optimalisasi Pemanfaatan Bak Sampah Sebagai Sumber Mata Pencaharian bagi Karang Taruna di Desa Arjasari Kusnadi, Edi; Verawati, Kamila; Haryanto, Restu; Tri R, Alif Safri; Damayanti, Dini; Alan, Ismul; A, Muhamad Azhar; Irsan, M; Rahma A, Mutiara; Amalia U, Tasha; Himmah K, Wafa; Nuzulunnisa, Hikmah
AURELIA: Jurnal Penelitian dan Pengabdian Masyarakat Indonesia Vol 4, No 2 (2025): July 2025
Publisher : CV. Rayyan Dwi Bharata

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57235/aurelia.v4i2.4890

Penerapan bak sampah khusus untuk botol plastik di Desa Arjasari bertujuan untuk mengelola sampah plastik sekaligus meningkatkan pendapatan karang taruna dan masyarakat melalui pengumpulan dan daur ulang. Penelitian ini mengkaji efektivitas program ini dalam menyelenggarakan berbagai acara di desa, seperti festival budaya dan kegiatan komunitas. Dengan menyediakan bak sampah khusus, masyarakat didorong untuk memisahkan sampah botol plastik sejak awal, yang kemudian dapat dijadikan sumber penghasilan. Metode penelitian meliputi pengamatan langsung, wawancara dengan warga, dan analisis dampak ekonomi dari penjualan botol plastik yang terpilah. Hasilnya menunjukkan bahwa partisipasi masyarakat dalam mengumpulkan botol plastik meningkat signifikan, dan dana yang diperoleh dari penjualan sampah plastik ini digunakan untuk mendukung penyelenggaraan acara-acara lokal. Selain itu, inisiatif ini juga meningkatkan kesadaran lingkungan di kalangan masyarakat. Kesimpulan dari penelitian ini merekomendasikan penguatan program edukasi tentang pengelolaan sampah dan pemanfaatan hasil daur ulang sebagai sumber pendanaan untuk kegiatan kemasyarakatan. Dengan demikian, penerapan bak sampah khusus botol plastik di Desa Arjasari tidak hanya berkontribusi pada pengurangan limbah plastik, tetapi juga menciptakan ladang pemasukan yang berkelanjutan bagi masyarakat

Pengaruh Inflasi, Suku Bunga Sbi, Tarif Pajak Dan Profitabilitas Terhadap Struktur Modal Dengan Ukuran Perusahaan Sebagai Variabel Moderasi Damayanti , Dini; Damayanti, Dini; Umdiana, Nana; Malik, Abdul
Jurnal Akuntansi Manajemen (JAKMEN) Vol. 4 No. 1 (2025)
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/ntwmsm30

Penelitian ini bertujuan Untuk menguji secara empiris pengaruh inflasi, suku bunga SBI, tarif pajak, profitabilitas, ukuran perusahaan mampu memoderasi pengaruh inflasi, suku bunga, tarif pajak dan profitabilitas dan struktur modal. Metode penelitian ini adalah metode kuantitatif. Populasi dalam penelitian ini adalah perusahaan manufaktur sub sektor logam dan sejenisnya Periode 2019- 2022. Metode penelitian sampel dilakukan dengan menggunakan metode purposive sampling, berdasarkan kriteria yang telah ditentukn terdapat 64 perusahaan yang digunakan sebagai sampel. Metode analisis yang digunakan adalah metode analisis regresi berganda dan diolah menggunakan alat bantu SPSS Versi 26. Hasil penelitian ini menunjukan bahwa Inflasi berpengaruh dan signifikan terhadap struktur modal, suku bunga berpengaruh dan signifikan terhadap struktur modal, tarif pajak berpengaruh dan signifikan terhadap struktur modal, profitabilitas tidak berpengaruh terhadap struktur modal, ukuran perusahaan dapat memoderasi pengaruh inflasi terhadap struktur modal, ukuran perusahaan dapat memoderasi pengaruh suku bunga terhadap struktur modal, ukuran perusahaan dapat memoderasi pengaruh tarif pajak terhadap struktur modal dam ukuran perusahaan tidak dapat memoderasi pengaruh profitabilitas terhadap struktur modal Pada Perusahaan Manufaktur Sub Sektor Logam Dan Sejenisnya yang terdaftar di Bursa Efek Indonesia periode 2019-2022.

Optimalisasi Pemanfaatan Bak Sampah Sebagai Sumber Mata Pencaharian bagi Karang Taruna di Desa Arjasari Kusnadi, Edi; Verawati, Kamila; Haryanto, Restu; Tri R, Alif Safri; Damayanti, Dini; Alan, Ismul; A, Muhamad Azhar; Irsan, M; Rahma A, Mutiara; Amalia U, Tasha; Himmah K, Wafa; Nuzulunnisa, Hikmah
AURELIA: Jurnal Penelitian dan Pengabdian Masyarakat Indonesia Vol 4, No 2 (2025): July 2025
Publisher : CV. Rayyan Dwi Bharata

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57235/aurelia.v4i2.4890

Penerapan bak sampah khusus untuk botol plastik di Desa Arjasari bertujuan untuk mengelola sampah plastik sekaligus meningkatkan pendapatan karang taruna dan masyarakat melalui pengumpulan dan daur ulang. Penelitian ini mengkaji efektivitas program ini dalam menyelenggarakan berbagai acara di desa, seperti festival budaya dan kegiatan komunitas. Dengan menyediakan bak sampah khusus, masyarakat didorong untuk memisahkan sampah botol plastik sejak awal, yang kemudian dapat dijadikan sumber penghasilan. Metode penelitian meliputi pengamatan langsung, wawancara dengan warga, dan analisis dampak ekonomi dari penjualan botol plastik yang terpilah. Hasilnya menunjukkan bahwa partisipasi masyarakat dalam mengumpulkan botol plastik meningkat signifikan, dan dana yang diperoleh dari penjualan sampah plastik ini digunakan untuk mendukung penyelenggaraan acara-acara lokal. Selain itu, inisiatif ini juga meningkatkan kesadaran lingkungan di kalangan masyarakat. Kesimpulan dari penelitian ini merekomendasikan penguatan program edukasi tentang pengelolaan sampah dan pemanfaatan hasil daur ulang sebagai sumber pendanaan untuk kegiatan kemasyarakatan. Dengan demikian, penerapan bak sampah khusus botol plastik di Desa Arjasari tidak hanya berkontribusi pada pengurangan limbah plastik, tetapi juga menciptakan ladang pemasukan yang berkelanjutan bagi masyarakat

The Adolescent Emotional Regulation with a Single Parent and Its Implication on Family Education Damayanti, Dini; Rahmawati, Rahmawati; Khairun, Deasy Yunika
Jurnal Pendidikan Indonesia Gemilang Vol 3, No 1 (2023)
Publisher : Gemilang Maju Publikasi Ilmiah (GMPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53889/jpig.v3i1.190

This study aimed to determine the image of the emotional regulation of adolescents who has a single-parent man. This type of research is qualitative research with a phenomenological study approach. The research place is the subject, who resides in Serang city. The data sources of this study are three teenagers who have single parents caused by death. The results showed that the picture of emotional regulation in adolescents with single parents’ men had not been formed perfectly. Because the subject was still unable to cope with the emotional problems he was experiencing, it wasn't easy to control and express his emotions appropriately. The implications of this study illustrate the importance of a close single-parent man in adolescents to have good emotional skills.

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