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All Journal Jurnal Elemen Jurnal Bioteknologi & Biosains Indonesia (JBBI) Jurnal Riset Manajemen dan Akuntansi (JURIMA) JAPI: Jurnal Akses Pengabdian Indonesia IndoMath: Indonesia Mathematics Education
AGUS SUYONO
D3 Teknik Mesin FT Unesa
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Education Health Professions Immunology & microbiology Nursing Public Health Other

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SKRINING DAN IDENTIFIKASI MIKROBA LIGNINOLITIK PADA PENGOMPOSAN ALAMI TANDAN KOSONG KELAPA SAWIT Rupaedah, Bedah; Purwoko, Devit; Safarrida, Anna; Tajuddin, Teuku; Wahid, Abdul; Sugianto, Mahmud; Sudjai, Imam; Suyono, Agus
Jurnal Bioteknologi & Biosains Indonesia (JBBI) Vol. 6 No. 1 (2019): June 2019
Publisher : Balai Bioteknologi, Badan Pengkajian dan Penerapan Teknologi (BPPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (713.706 KB) | DOI: 10.29122/jbbi.v6i1.3237

Abstract

Screening and Identification of Ligninolytic Microbes in the Natural Decomposition of Oil Palm Empty Fruit Bunch  ABSTRACTOPEFB (oil palm empty fruit bunch)could potentially be utilized as organic fertilizer or animal feed through composting. Information on microorganisms that play important roles in the natural decomposition of OPEFB is to date not much known yet. This research was aimed to obtain and, subsequently, to molecularly identify lignin-degrading microbial isolates responsible for naturally decomposing OPEFB in the Oil Plant Plantation and Palm Oil Refinery Plant, PTPN VIII Cikasungka, Bogor. Screening for active lignin-degrading isolates was carried out on 17 naturally decomposing OPEFB samples. A total of 19 isolates of fungi and 80 isolates of bacteria were obtained. Ligninolytic activity was measured by Sundman and Nase testing methods. Ligninolytic activity was found on 13 fungal isolates and 15 bacterial isolates. The active isolates were subsequently identified molecularly based on ITS sequence in the ribosome DNA area for fungi and in 16S rRNA genes for bacteria. The results showed that the lignin-degrading microorganisms obtained consisted of 5 bacterial isolates from the genus Bacillus and 3 fungal isolates from the genus Rhizopus and Aspergillus. Keywords: composting, lignin, microbes, OPEFB, 16S rRNA ABSTRAKTKKS (tandan kosong kelapa sawit) berpotensi dimanfaatkan sebagai pupuk organik atau pakan ternak dengan cara pengomposan. Informasi mikroba yang berperan dalam pengomposan alami TKKS hingga saat ini belum banyak diketahui. Penelitian ini bertujuan mendapatkan isolat mikroba pendegradasi lignin dalam pengomposan alami TKKS asal Perkebunan dan Pabrik Pemerasan Kelapa Sawit, PTPN VIII Cikasungka, Bogor, serta mengidentifikasi mikroba tersebut secara molekuler. Skrining mikroba aktif pendegradasi lignin dilakukan terhadap 17 sampel TKKS yang sudah lapuk secara alami. Sebanyak 19 isolat jamur dan 80 isolat bakteri telah dihasilkan. Aktivitas ligninolitik diukur dengan metode pengujian Sundman dan Nase. Isolat jamur yang memiliki aktivitas ligninolitik sebanyak 13 isolat, sedangkan bakteri sebanyak 15 isolat. Isolat-isolat aktif tersebut selanjutnya diidentifikasi secara molekuler berdasarkan pada sekuen ITS di daerah DNA ribosom untuk jamur dan menggunakan gen 16S rRNA untuk bakteri. Hasil menunjukkan bahwa 5 isolat bakteri yang memiliki kemampuan mendegradasi lignin berasal dari genus Bacillus, sedangkan 3 isolat jamur pendegradasi lignin berasal dari genus Rhizopus dan Aspergillus Kata Kunci: lignin, mikroba, pengomposan, TKKS, 16S rRNA 
PENGARUH KERAGAMAN PRODUK DAN LOKASI PENJUALAN TERHADAP KEPUASAN KONSUMEN PADA WARUNG MASITAH Suyono, Agus; Ernawati, Sri
Jurnal Riset Manajemen dan Akuntansi Vol. 2 No. 3 (2022): Desember: Jurnal Riset Manajemen dan Akuntansi
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurima.v2i2.325

Abstract

This study aims to determine (1) whether there is an influence of product diversity on consumer decisions at Masita stalls (2) whether there is an influence of the influence of sales location on consumer decisions at Masita stalls (3) whether or not there is an influence of the influence of product diversity and sales location on consumer decisions. at Masita's shop. The type of research in this study is associative. This research was carried out at the Masita stall, which targeted consumers who had visited the Masita stall. The sampling technique used is purposive sampling with 60 respondents. The data analysis technique used is validity test, reliability test, classical assumption test, multiple linear regression, coefficient of determination analysis test, correlation coefficient, partial test and simultaneous test. Based on the results of the study, it is shown that (1) the product diversity variable has an effect on consumer satisfaction at the Masita stall. (2) the sales location variable has no effect on consumer satisfaction at the Masita stall. (3) variable product diversity and sales locations have an effect on consumer satisfaction at the Masita stall
Etnomathematics: Exploration Tapis Lampung on Two-Dimentional Figure and Social Arithmetics Lisnani, L; Yuningrum, Theresia; Suyono, Agus
IndoMath: Indonesia Mathematics Education Vol 5, No 2 (2022)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/indomath.v5i2.24

Abstract

This study aims to describe ethnomathematics activities in the manufacturing process, explain the two-dimensional figure, and describe the introduction of social arithmetic through motifs on Tapis Lampung. The sample in this study is the home craftsman and homeowners of Tapis Lampung production. This type of research is a qualitative study using an ethnographic approach, where research is conducted to explore human behavior that occurs in certain cultures. The data collection technique is by interview, observation, and documentation. The results of this study are as follows: 1) the existence of ethnomathematics activity in the manufacture of Tapis Lampung; 2) on six motifs of Tapis Lampung in which there are two-dimensional figures, namely square, triangle, trapezoidal, rectangular, rhombus, kite, and circle; 3) based on the size and results of the final product of Tapis Lampung, a mathematical topic is found, namely social arithmetic at the sale price. 
Angle Measurement Material Design Using Gymnastic Contexts for Pre-Service Elementary School Teacher Lisnani, L; Suyono, Agus; Misdalina, M; Kesumawati, Nila
IndoMath: Indonesia Mathematics Education Vol 6, No 2 (2023): August 2023
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/indomath.v6i2.59

Abstract

The purpose of this research is to produce a learning trajectory and analyze the angle measurement material using the context of gymnastic movements. The method used in this study is a design research method with the type of validation studies with the PMRI approach. The subjects in this study were pre-service elementary school teacher, totaling 6 people in the pilot experiment and 24 people in the teaching experiment. Data collection techniques using tests, observation and documentation. Data were analyzed descriptively on test results, observations and documentation obtained. The results of this study are in the form of material design and the results of an analysis of angle measurements using the context of gymnastics in the angle measurement material about angle sizes, angle shapes and types of angles form of a learning trajectory. Gymnastic movements are viewed from the movements of the hands, feet, limbs that form an angle.
Exploring geometry and measurement in the Perjuangan Subkoss Garuda Sriwijaya Museum: An ethnomathematics study Lisnani, Lisnani; Lestari, Natalia Putri; Suyono, Agus
Jurnal Elemen Vol 10 No 3 (2024): September
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/jel.v10i3.26851

Abstract

The Museum of Perjuangan Subkoss Garuda Sriwijaya is a museum that preserves the history of South Sumatra’s struglle against the Dutch and Japanese colonialists. This research aims to obtain the results of an ethnomathematics study from the Museum of Perjuangan Subkoss Garuda Sriwijaya regarding historical, philosophical, and mathematical aspects and implement it in the Merdeka Curriculum in mathematics for elementary schools. This research employs an ethnographic approach with a qualitative descriptive approach, utilizing observation, interviews, documentation, field notes, and data triangulation. The analysis techniques include data reduction, data presentation, verification, and conclusions drawings. The study involved three informants who had direct interaction with the Museum of Perjuangan Subkoss Garuda Sriwijaya. The results of this research shows that ethnomathematics studies offer several insights: the historical aspect introduces local history and culture through artifacts that supported the struggle during the physical revolution; the philosophical aspectteaches the values ​​of caring, cooperation, creativity, and diversity within society; and the mathematical concepts reveals the concept of geometry, including area, perimeter, volume of both two-dimensional figures and three-dimensional figures, and length measurement.
Formulasi Sirup Sari Buah Manggis Sebagai Minuman Fungsional Untuk Mendukung Eduwisata Sehat Pranowo, Dodyk; Rohmah, Wendra Gandhatyasri; Zamroni, Mofit; Hakim, Abdurahman; Suyono, Agus
JAPI (Jurnal Akses Pengabdian Indonesia) Vol 10, No 2 (2025)
Publisher : Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/japi.v10i2.6870

Abstract

Pembangunan berkelanjutan bertujuan untuk meningkatkan kesejahteraan masyarakat dengan mempertimbangkan aspek ekonomi, sosial, dan lingkungan. Dalam rangka mendukung pencapaian tersebut, pemerintah menginisiasi penguatan peran Badan Usaha Milik Desa (BUMDes) sebagai strategi dalam mengembangkan ekonomi berbasis potensi lokal. Desa Ngoran, Kecamatan Nglegok, Kabupaten Blitar, memiliki sumber daya manggis yang belum dioptimalkan pemanfaatannya dengan nilai jual yang relatif rendah. Pengabdian ini bertujuan untuk meningkatkan nilai tambah komoditas manggis melalui inovasi produk berupa sirup manggis. Upaya ini dilakukan dengan mengadakan pelatihan pengolahan sirup sari buah bagi masyarakat setempat. Dalam implementasinya, BUMDes Karya Mandiri berperan sebagai mitra utama dalam proses produksi dan distribusi produk. Berdasarkan hasil pengabdian bahwa formulasi optimal sirup manggis terdiri dari rasio 1:1:2 (air, sari buah manggis, dan ekstrak manggis), dengan tambahan gula sebanyak 50%. Selain itu, sirup manggis ini memiliki aktivitas antioksidan dengan nilai IC50 sebesar 352,95 ppm. Program pengembangan sirup manggis berbasis pemberdayaan masyarakat ini berkontribusi pada peningkatan nilai ekonomi serta kesejahteraan desa. Untuk menjamin keberlanjutan program, diperlukan penguatan rantai pasok, peningkatan efisiensi teknologi produksi, serta penerapan strategi pemasaran yang lebih luas guna memperluas jangkauan pasar.
Co-Authors Abd. Rasyid Syamsuri Anna Safarrida, Anna Bedah Rupaedah, Bedah Dodyk Pranowo Hakim, Abdurahman Lestari, Natalia Putri Lisnani Lisnani Lisnani, L Mahmud Sugianto, Mahmud Misdalina, M Nila Kesumawati purwoko, devit Sri Ernawati Sudjai, Imam Teuku Tajuddin Wendra Gandhatyasri Rohmah Yuningrum, Theresia Zamroni, Mofit