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All Journal JURNAL ILMIAH MAHASISWA AGROINFO GALUH Formosa Journal of Multidisciplinary Research (FJMR) Indonesian Journal of Chemical Studies (Indones. J. Chem. Stud.) Jurnal Pengabdian Kesehatan Masyarakat Mulawarman Gastronomy and Culinary Art (Gastronary) Journal of Innovative and Creativity Aktivitas Jurnal Ilmiah Akuntansi
Rahmawati, Fani
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Agriculture, Biological Sciences & Forestry Arts Humanities Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Mathematics Nursing Public Health Social Sciences Other

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Physical Strength Improvement of Nata de Coco by Water Replacement with Carboxymethylcellulose (CMC) as A Potential Bulletproof Material: A Preliminary Study Bolilanga, Patricya Inggrid Wilhelmina; Sekarini, Artanti; Toharani, Dita Cinta; Rahmawati, Fani; Basuki, Rahmat; Ishartono, Bayu; Fahri, Mirad
Indonesian Journal of Chemical Studies Vol. 1 No. 2 (2022): Indones. J. Chem. Stud., December 2022
Publisher : Indonesian Scholar Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (574.296 KB) | DOI: 10.55749/ijcs.v1i2.19

Abstract

The dependence on the imported bullet-proof vest  as one of the main equipments of the National Defense System needs attention. This condition treats the independence of domestic defense security. In contrast, the potential of natural materials for bullet-proof vest plates are abundant in Indonesia. Nata de Coco is one of the natural raw materials for producing bullet-proof vest plates that has the potential to be developed. This preliminary research proved that increasing the bond strength of cellulose in Nata de Coco was performed by adding the appropriate crosslinkers. The addition of carboxymethylcellulose (CMC) 2% crosslinker to form Nata de Coco kevlar-like plates (Navlar) was evidenced to increase threefold tensile strength (99.15 MPa) from its original Nata de Coco (31.92 MPa). The development of Navlar is a very strategic sector for producing high-quality bullet-proof vest plates equivalent to kevlar strength. Navlar is more prospective than Kevlar due to its abundant source, cheap, lightweight, and ease to manufacture. Developing Navlar could replace the dependence on imported Kevlar and support the domestic defense industry.  
Synthesis and Characterization of Isopropylidene Glycerol Acetate and Isopropylidene Glycerol Propanoate Compounds Ridlo, Achmad; Choirunnisa, Lutfia; Rahmawati, Fani; Irunsah, Aslan; Ishartono, Bayu
Indonesian Journal of Chemical Studies Vol. 2 No. 2 (2023): Indones. J. Chem. Stud., December 2023
Publisher : Indonesian Scholar Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55749/ijcs.v2i2.30

Abstract

Isopropylidene Glycerol Acetate (IGA) and Isopropylidene Glycerol Propanoate (IGP) as ester compounds using acetic and propanoic acids have been synthesized, characterized, and studied for their antibacterial properties. The IGA was synthesized from ethyl acetate (EtOAc) and 1,2-O-isopropyliden glycerol (IPG) with a mole ratio of 1:8 through a transesterification reaction. Meanwhile, the IGP was synthesized using ethyl propanoate (EP) with the same ratio and method as IGA. All materials in this study were identified using FT-IR, GC-MS, 1H-NMR, and 13C-NMR. The characterization results indicated that the compounds of EP, IPG, IGA, and IGP had been successfully formed and identified. It was also revealed that the compounds of EP, IPG, IGA, and IGP were successfully synthesized with yields of 37.72, 27.78, 70.11, and 63.83%, respectively. The antibacterial activity test revealed that neither IGA nor IGP inhibited the growth of Staphylococcus aureus or Escherichia coli at concentrations of 62.5; 125; 250; 500; and 1000 ppm. Therefore, it was asserted that ester compounds synthesized with short-chain carboxylic acids, such as propanoic and acetic acids, lacked antibacterial properties.
Reaction Mechanism in Standardized α-Cellulose Content Test: Study from Boehmeria nivea Fiber Rahmawati, Fani; Basuki, Rahmat; Fahri, Mirad; Apriliyanto, Yusuf Bramastya; Kurniadi, Tedi; Nareswari, Vania Agatha; Sandri, Azzahra; Istiqomah, Tiara
Indonesian Journal of Chemical Studies Vol. 3 No. 1 (2024): Indones. J. Chem. Stud., June 2024
Publisher : Indonesian Scholar Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55749/ijcs.v3i1.45

Abstract

In defense industry, α-cellulose is the main component of nitrocellulose propellant. However, a detailed description of the reaction mechanism of each treatment step in SNI 0444-2009 is still very scarce. This study addresses this gap by presenting the reaction mechanisms of each treatment and the symbols used in the SNI 0444-2009 procedure. The separation of lignin from α-cellulose occurred by breaking the C‒O bond linking them. This bond was broken by the ‒OH group of NaOH via a hydrolysis reaction. The reaction was initiated with the elimination of a hydrogen atom from the lignin structure by the hydroxyl ion (‒OH), and the C‒O bond was broken by a hydrolysis reaction. The breaking of this bond was indicated by the disappearance of the IR peaks at wavenumbers 1049 and 1190 cm–1 in the filtrate after extraction. The SNI 0444-2009 method for the α-cellulose content test was carried out by a redox back titration of Cr(VI) with Fe(II) from ferrous ammonium sulfate. This titration was conducted to calculate the amount of Cr(VI) ions in potassium dichromate or Cr(VI) that did not react with lignin or beta cellulose in the filtrate. Understanding the contribution and reaction mechanisms of each compound involved in the SNI 0444-2009 procedure contributed to obtaining accurate data on α-cellulose content. In this study, the calculated α-cellulose content of the flax fiber was 96.75%. Furthermore, the detailed mechanism of the redox reaction was discussed in detail in this paper.
Peningkatan Literasi Kesehatan Mengenai Penyakit Tuberkulosis pada Lansia di Kelurahan Gunung Lingai Kota Samarinda Bahtiar, Bahtiar; Nopriyanto, Dwi; Mayasari, Mutia; Febrianto, Iqbal; Ramadhana, Zhahrah; Rahmawati, Fani; Marshanda, Indriani
Jurnal Pengabdian Kesehatan Masyarakat Mulawarman Vol. 2 No. 1 (2024): Juni 2024
Publisher : Fakultas Kedokteran, Universitas Mulawarman

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Abstract

Pendahuluan: Literasi kesehatan akhir-akhir ini disadari memiliki peranan yang sangat penting dalam penanggulangan berbagai masalah kesehatan termasuk penyakit kronis Tuberkulosis Paru (TB Paru). Pada penelitian ini bertujuan untuk mengetahui gambaran tingkat literasi pada lansia mengenai penyakit kronis Tuberkulosis Paru (TB) Pada warga RT 9, di Kelurahan Gunung Lingai. Metode: Dalam pengumpulan data menggunakan metode pengumpulan data primer yang nantinya datanya diperoleh melalui pre dan post test literasi Tuberkulosis dengan jumlah 8 pertanyaan, Hasil skor dari 8 pertanyaan setelah pemaparan materi akan digunakan untuk mengukur tingkat literasi Tuberculosis. Hasil: Lalu didapatkan hasil bahwa literasi tuberkulosis menyatakan rendah sebanyak 2 orang (16,7%), sedangkan yang sedang sebanyak 0 orang (0%), dan yang pengetahuan tinggi sebanyak 10 orang (83,3%). Kesimpulan: Literasi kesehatan mengenai Tuberkulosis rata-rata pengetahuannya tinggi setelah dilakukan pemaparan materi sehingga hasil yang didapat dari perhitungan post test adalah termasuk kategori literasi tinggi.
The Quality of Coconut Cream Torn Bread A Research Approach Based on Consumer Response Rahmawati, Fani; Nugroho, Setyo Prasiyono; Sinangjoyo, Nikasius Jonet
Gastronary Vol. 1 No. 1 (2022): Gastronary
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat Sekolah Tinggi Pariwisata Ampat Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36276/gtr.v1i1.372

Abstract

This study aims to determine the quality of coconut milk as a substitute for liquid milk in the manufacture of torn bread in terms of quality, namely from the indicators of Appearance, Taste, Color, Aroma, and Texture. The sample of this study were residents of RT 07, located in the walnut alley Nologaten street, and several experts with a total of 30 panellists. The analysis used in this research is descriptive statistics. The variables measured were Appearance, Taste, Color, Aroma, and Texture. This study analyzes the data by conducting experiments and comparing the conclusions drawn based on consumer answers from expert interviews. In addition, the discussion of food quality, which consists of appearance, taste, colour, taste, and texture, is an inseparable unit, meaning that food quality is the basis of consumer response. The results show that in coconut milk, in making torn bread, it was proven that the taste, aroma, colour, texture and appearance factors got a "positive" response; the positive response was on average on a four semantic differential scale.
Pengaruh Karakteristik Inovasi terhadap Keputusan Adopsi Inovasi Lokal pada Budidaya Kopi Arabika di Desa Cikandang, Kecamatan Cikajang, Kabupaten Garut Rahmawati, Fani; Tridakusumah, Ahmad Choibar
Jurnal Ilmiah Mahasiswa AGROINFO GALUH Vol 12, No 3 (2025): September 2025
Publisher : Universitas Galuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/jimag.v12i3.19481

Abstract

Inovasi lokal dalam praktik budidaya merupakan solusi alternatif untuk petani di pedesaan yang kurang percaya diri untuk mengadopsi teknologi modern. Penelitian ini bertujuan untuk mengetahui karakteristik petani kopi di Desa Cikandang dan menganalisis pengaruh karakteristik inovasi meliputi keunggulan relatif, kesesuaian, kompleksitas, kemudahan untuk diuji coba, dan kemudahan diamati terhadap keputusan adopsi inovasi lokal dalam budidaya kopi. Desain penelitian ini deskriptif kuantitatif dengan metode survei, dengan responden 50 petani anggota aktif kelompok tani Karya Mandiri. Data dianalisis menggunakan uji Chi-Square. Hasil penelitian menunjukkan mayoritas petani adalah pria usia 21–40 tahun, berpendidikan SD, menggarap lahan seluas 0,5–2 ha, dan modal Rp 3,1–6 juta. Dari kelima aspek karakteristik inovasi, hanya tiga aspek meliputi keunggulan relatif, kesesuaian, dan kemudahan untuk diamati yang memiliki pengaruh terhadap keputusan adopsi inovasi lokal pada budidaya kopi arabika di Desa Cikandang. Kata Kunci : adopsi, inovasi lokal, petani kopi, persepsi petani
The Effect of Tenure Audits, Audit Rotations and Audit Committees on Audit Quality Ningsih, Wicdia Reka; Alliffiya, Qumaydatun; Rahmawati, Fani
Formosa Journal of Multidisciplinary Research Vol. 3 No. 11 (2024): November 2024
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjmr.v3i11.11914

Abstract

This study will analyze transportation and logistics companies listed on the Indonesia Stock Exchange between 2017 and 2022 to determine the influence of audit tenure, audit rotation, and committee composition on audit quality. Secondary data from this case is the basis for a quantitative approach. 102 data points were collected from 17 sample organizations in the study. This study used statistical tools for panel data analysis, including CEM, FEM, and REM (Random Effect Model). Choosing a suitable panel data regression model is easy with the help of rigorous testing methods such as Chow, Hausman, and LM testing. We then used the F-test, R2 test, and T-test to examine our hypothesis and confirm the relationship was significant. To implement this strategy, we processed the data using EViews version 12, which resulted in meticulous statistical findings. The results show that among the logistics and transportation companies studied, the audit committee does not seem to have a statistically significant influence on audit quality, audit rotation decreases audit quality, and audit duration does not affect audit quality.
Pengaruh Advertising Intensity, Inventory Intensity dan Sales Growth Terhadap Agresivitas Pajak Rahmawati, Fani; Meta Nursita
AKTIVITAS Jurnal Ilmiah Akuntansi Vol. 3 No. 1 (2025): AKTIVITAS
Publisher : Prodi Akuntansi Universitas Pamulang PSDKU Serang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/aktivitas.v3i1.43722

Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh advertising intensity,inventory inyensity,dan sales growth terhadap agresivitas pajak. Penelitian ini dilakukan dengan menganalisis laporan keuangan Perusahaan-perusahaan pada sektor food and beverage yang terdaftar di Bursa Efek Indonesia (BEI) selama periode tahun 2018 hingga tahun 2022. Sampel yang digunakan dalam penelitian ini sebanyak 17 perusahaan sektor infrastruktur yang terdaftar di Bursa Efek Indonesia (BEI) selama periode tahun 2018 hingga tahun 2022 dengan menggunakan Teknik pengambilan sampel purpose sampling. Data yang digunakan pada penelitian ini adalah data sekunder berupa laporan keuangan dari setiap peruasahan yang telah dijadikan sampel penelitian ini. Variable yang digunakan dalam penelian ini yaitu Advertising Intensity (X1) sebagai variable bebas pertama, Inventory Intensity (X2) sebagai variable bebas kedua, Sales Growth (X3) sebagai variable bebas ketiga,serta Agresivitas Pajak (Y) sebagai variable terikat. Metode regresi data panel digunakan sebagai metodologi penelitian pada penelitian ini. Analisa hasil penelitian menggunakan bantuan perangkat lunak Eviews 9. Hasil penelitian menunjukkan bahwa model yang terbaik adalah Fixxed Effect Model (FEM). Hasil pada penelitian ini menunjukan bahwa Advertising Intensity secara parsial tidak berpengaruh terhadap Agresivitas Pajak, Inventory Intensity secara parsial tidak berpengaruh terhadap Agresivitas Pajak, Sales Growth secara parsial berpengaruh terhadap Agresivitas Pajak, dan secara simultan , Advertising Intensity,Inventory Intensity,Dan Sales Growth berpengaruh terhadap Agresivitas Pajak.
Uji Aktivitas Daya Hambat Kombinasi Ekstrak Daun Jambu Biji (Psidium guajava L.) Dan Daun Pepaya (Carica papaya L.) Terhadap Pertumbuhan Bakteri Staphylococus aureus Rahmawati, Fani; Dwiningrum, Riza; Rosanti, Afi Sania; Safutri, Wina
Journal of Innovative and Creativity Vol. 5 No. 3 (2025)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

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Abstract

Staphylococcus aureus merupakan bakteri patogen penyebab berbagai infeksi, yang saat ini menunjukkan peningkatan resistensi terhadap beberapa antibiotik. Salah satu upaya untuk mengatasi resistensi ini adalah pemanfaatan bahan alam yang memiliki potensi antibakteri, seperti daun pepaya (Carica papaya L.) dan daun jambu biji (Psidium guajava L.). Penelitian ini bertujuan untuk mengetahui aktivitas daya hambat kombinasi ekstrak etanol daun pepaya dan daun jambu biji terhadap pertumbuhan Staphylococcus aureus. Penelitian dilakukan secara eksperimental di laboratorium menggunakan metode difusi cakram dengan variasi konsentrasi kombinasi ekstrak 25% dan 30% pada perbandingan (1:1), (1:2),  (2:1), dan (3:2). Parameter yang diamati adalah diameter zona hambat pertumbuhan bakteri. Hasil diameter zona hambat penelitian ini yaitu kontrol positif (21,27±1,07 mm) kategori sangat kuat, perlakuan 1 dengan perbandingan 1:1 (9,41±1,10 mm) kategori sedang, perlakuan 2 dengan perbandingan 1:2 (9,80±1,16mm) kategori sedang, perlakuan 3 dengan perbandingan 2:1 (8,94±2,21 mm) kategori sedang, perlakuan 4 dengan perbandingan 3:2 (8,55±0,97 mm) kategori sedang. Analisis data menggunakan uji ANOVA menghasilkan nilai signifikansi p=0.835 (p < 0,05) yang menunjukkan tidan ada perbedaan bermakna.  
Co-Authors Achmad Ridlo Ahmad Choibar Tridakusumah Alliffiya, Qumaydatun Bahtiar Bahtiar Bayu Ishartono Bolilanga, Patricya Inggrid Wilhelmina Choirunnisa, Lutfia Dwi Nopriyanto Fahri, Mirad Febrianto, Iqbal Irunsah, Aslan Istiqomah, Tiara Kurniadi, Tedi Marshanda, Indriani Mayasari, Mutia Meta Nursita Nareswari, Vania Agatha Nikasius Jonet Sinangjoyo Ningsih, Wicdia Reka Nugroho, Setyo Prasiyono Rahmat Basuki Ramadhana, Zhahrah Riza Dwiningrum, Riza Rosanti, Afi Sania Sandri, Azzahra Sekarini, Artanti Toharani, Dita Cinta Wina Safutri Yusuf Bramastya Apriliyanto