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Chemical Engineering Department, Faculty Of Sain And Technology, Universitas Jambi, Jambi Department Of Agriculture Product Technology, Faculty Of Agriculture, University Of Jambi Centre Of Excellent In Bio-Geo Material, University Of Jambi
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Peranan Kepala Sekolah Sebagai Supervisor Dalam Meningkatkan Kinerja Guru Pendidikan Agama Islam Mahardini, Angger Putri; Nazarudin; Asep Bambang Susanto
An Naba Vol. 8 No. 1 (2025): An Naba : Jurnal Pemikiran dan Penelitian Pendidikan Islam
Publisher : Institut Agama Islam Darul Fattah Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51614/hc212n63

Abstract

This study aims to describe the role of the principal as a supervisor in improving the performance of Islamic Religious Education (PAI) teachers at SMA Qur'an Darul Fattah. The focus of the study is directed at how the principal designs, implements, and follows up on academic supervision activities to support teacher professionalism. The approach used is descriptive qualitative, with data collection techniques through interviews, observations, and documentation. The study results indicate that the principal carries out his supervisory role systematically, participatively, and humanistically. In the planning stage, the principal involves teachers in preparing a supervision program based on the school's needs and Qur'anic vision. The implementation of supervision is carried out dialogically with a clinical approach, so that teachers feel appreciated and encouraged to develop. Follow-up supervision in the form of internal training, individual mentoring, and ongoing coaching has been proven to improve the competence and motivation of PAI teachers. This study confirms that supervision that is carried out continuously and oriented towards professional coaching can make a real contribution to improving the quality of PAI learning. These findings indicate that the role of the principal is very crucial in creating a work culture that supports improving teacher performance as a whole. In addition, this study recommends the importance of strengthening the capacity of school principals in carrying out effective academic supervision and the need for systemic support from all education stakeholders.
The Physicochemical and Sensory Properties of Gluten-Free Brownies Produced using Purple Yam Paste (Dioscorea alata) and Mocaf Ramadani, Suci Putri; Rahmawati, Medina Alia; Pratami, Tesy; Sulistiana, Ika Putri; Yusfi, Liza Aulia; Pamungkas, Putra; Nazarudin, Nazarudin; Ulyarti, Ulyarti
Jurnal Bio-Geo Material Dan Energi Vol. 5 No. 2 (2025): Journal of Bio-Geo Material and Energy (BiGME), September 2025
Publisher : PUI BiGME Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/j-bigme.v5i2.48503

Abstract

The development of gluten-free brownies with purple yam paste and mocaf is an alternative for individuals who avoid consuming gluten. This study aims to determine the effect of the ratio of purple yam paste and mocaf on the characteristics of brownies. A Randomized Block Design was used with six treatment levels of purple yam paste to mocaf ratios: 0:100, 15:85, 30:70, 45:55, 60:40, and 75:25. Each treatment was replicated three times. The data obtained were analyzed using Analysis of Variance. If a significant effect was found, the analysis was continued using Duncan new Multiple Range Test (DnMRT) at the 5% level. The results showed that the ratio of purple yam paste to mocaf significantly affected the texture, color, and the hedonic organoleptic qualities of texture and color. The best treatment was the 75:25 ratio which resulted in a texture force of 105.5 N, water content of 20.16%, and color values of L* 37.1 a* 7.8 b* -2.9. Organoleptic scores for this treatment were: texture 3.48 (rather soft), color 4.40 (purple), taste 4.00 (like), overall acceptance 4.04 (like). However, texture and overall acceptance were lower than commercial brownies. The nutritional composition of this treatment included an ash content of 1.42%, protein content of 4.82%, fat content of 29.12%, and carbohydrate of 44.49%.
ISOLATION AND CHARACTERIZATION OF LACTIC ACID BACTERIA FROM MANDAI (FERMENTED CEMPEDAK PEEL) IN EAST KALIMANTAN Khusnelia, Jeni; Wicaksana, Ervan Johan; Nazarudin, Nazarudin; Falani, Ilham; Hamidah, Afreni; Anggereini, Evita
Physics and Science Education Journal (PSEJ) Physics and Science Education Journal (PSEJ), Volume 5 Nomor 2, Agustus 2025
Publisher : Physics Education Departement, Islamic State University Sulthan Thaha Saifuddin Jambi - Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30631/6m3ygk79

Abstract

Mandai is a traditional fermented food from East Kalimantan made from the peel of cempedak (Artocarpus champeden). To the best of our knowledge, this study is the first to report the isolation and characterization of lactic acid bacteria (LAB) from mandai. The fermentation process was carried out for 14 days using MRS Agar medium, resulting in 17 bacterial isolates, consisting of nine Gram-negative and eight Gram-positive isolates. Among them, eight Gram-positive isolates were dominant and exhibited typical LAB characteristics, including acid and gas production from glucose, negative catalase activity, non-motility, growth at 48°C but not at 16°C, and the ability to hydrolyze starch, fat, and casein. During fermentation, the pH decreased from 6.8 to 3.8, confirming active lactic acid production. These findings demonstrate that LAB play a crucial role in generating the characteristic sour taste and improving the quality of mandai. Importantly, the identified LAB isolates have potential as starter cultures to enhance the safety, consistency, and nutritional value of this traditional food.
Pengembangan Media Pembelajaran Games Board pada Materi Ikatan Kimia di SMAN 2 Muaro Jambi: Penelitian Ripka Nainggolan; Nazarudin; Asmiyunda
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 2 (2025): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 2 (October 202
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i2.2888

Abstract

Penelitian ini bertujuan untuk mengetahui proses pengembangan, kelayakan, penilaian guru, serta respon siswa terhadap media pembelajaran Games Board pada materi Ikatan Kimia di SMAN 2 Muaro Jambi. Model pengembangan yang digunakan adalah Lee & Owens (2004), yang terdiri dari lima tahapan: analisis, desain, pengembangan, implementasi, dan evaluasi. Penelitian ini dilakukan melalui uji coba kelompok kecil dengan melibatkan 10 peserta didik di SMAN 2 Muaro Jambi. Teknik analisis data yang digunakan adalah gabungan metode kualitatif dan kuantitatif. Hasil penelitian menunjukkan bahwa media pembelajaran yang dikembangkan dinyatakan layak dan valid. Hasil validasi oleh ahli materi memperoleh skor rata-rata4,1, sedangkan validasi oleh ahli media memperoleh rata-rata 4,0. Penilaian guru terhadap media ini juga sangat baik dengan skor rata-rata 4,1. Sementara itu, hasil uji coba pada kelompok kecil menunjukkan total skor 551 dengan persentase 91,83%, yang dikategorikan “Sangat Baik”. Berdasarkan hasil tersebut,media pembelajaran games board dinyatakan sangat layak digunakan dalam pembelajaran, baik secara teoritis maupun praktis, serta mendapat respon positif dari peserta didik.
Preserving Meher and Woirata Corpus Languages using Neural Machine Translation Prabowo, Yulius; Gabriel, Marthen; Nazarudin; Ratumanan, Tanwey; Maslim, Martinus
Indonesian Journal of Information Systems Vol. 6 No. 2 (2024): February 2024
Publisher : Program Studi Sistem Informasi Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/ijis.v6i2.8542

Abstract

Research on languages, particularly regional languages, is extremely challenging to conduct because there is very little or no language corpus available, particularly for Indonesia's regional languages. This project seeks to construct a translation machine for Indonesian in Meher and Woirata languages, and vice versa. However, to be able to achieve this, a corpus of Meher and Woirata languages must first be developed. The production of this corpus was carried out through field studies, the researcher requested various speakers of this language to translate manually and then compared the results from several translators through focus group talks to identify the appropriate use of words. The outcomes of this translation process are then written in the form of a database of Indonesian-Meher and Indonesian-Woirata language pairings which will subsequently be utilized as a learning database for the translation machine that will be created. This research succeeded in collecting 714.000 words in the Meher language and 805.000 words in the Woirata language. These results were then employed as a machine translation learning corpus, the output of the translation carried out by this machine was then validated through direct assessment by speakers of the two languages. The results of this testing indicated an accuracy above 80% for both translation into the Meher language and translation into the Woirata language. From the research carried out, it can be concluded that the construction of the Meher language corpus and the Woirata language corpus which was carried out through field research was successful in gathering and establishing a language corpus for these two languages. Apart from that, the experimental results suggest that the employment of translation algorithms to convert Indonesian into regional languages and vice versa may be carried out and provide translations with acceptable accuracy. The contribution of this research is in the establishment of the Meher and Woirata language corpus so that it can be generally accessed by anyone who requires it.
PERENGKAHAN KATALITIK MINYAK JELANTAH MENGGUNAKAN KATALIS Co-CARBON YAND DIHASILKAN DENGAN METODE ION EXCHANGE Yuhermita, NM; Nazarudin, Nazarudin; Alfernando, Oki; Prabasari, IG; Haviz, M
Jurnal Bio-Geo Material Dan Energi Vol. 1 No. 1 (2021): Journal of Bio-Geo Material and Energy (BiGME), March 2021
Publisher : PUI BiGME Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/bigme.v1i1.12307

Abstract

Penggunaan bahan bakar yang terus meningkat mengakibatkan cadangan minyak bumi mengalami penurunan. Bahan bakar minyak (BBM) yang berasal dari fosil tidak dapat diperbaharui. Biofuel adalah salah satu sumber energi alternatif. Pembuatan Biofuel dapat dilakukan dengan perengkahan termal dan perengkahan katalitik minyak goreng bekas. Minyak goreng bekas dapat menjadi biofuel dengan proses perengkahan katalitik menggunakan katalis Co-Arang. Penelitian ini meliputi preparasi katalis kobalt-arang aktif dengan metode ion exchange, Karakterisasi katalis, dan perengkahan katalitik minyak jelantah. Konsentrasi larutan logam yaitu 1%, 2%, dan 3%, dengan variasi temperatur perengkahan yaitu 450°C, 500°C, 550°C. Karakterisasi dengan XRD menunjukkan struktur atom karbon berbentuk struktur amorf. Hasil karakterisasi dengan SEM-EDX didapatkan hasil logam kobalt yang teremban yaitu sebesar 0,86%, 1,99% dan 0,11%. Konversi rata-rata (%) CHP perengkahan minyak jelantah pada Konsentrasi katalis 1%, 2% dan 3% adalah 31,83%, 8,51% dan 11,43%. Produk perengkahan maksimum di dapatkan pada temperatur 450oC dengan konsentrasi Co-Arang 1% yaitu 47,55%. Energi aktivasi perengkahan yaitu -40,64 kJ, 71,03 kJ dan 29,98 kJ.
The Synthesis of Cr/SiO2 Catalyst from a Mixture of Palm Waste Ash - Charcoal and Its Application for the Catalytic Cracking of CPO into Gasoline: Palm waste ash and charcoal based catalyst Prihatin, Edi; Nazarudin, Nazarudin
Jurnal Bio-Geo Material Dan Energi Vol. 3 No. 1 (2023): Journal of Bio-Geo Material and Energy (BiGME), March 2023
Publisher : PUI BiGME Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/bigme.v3i1.31060

Abstract

Due to the increasing reduction in non-renewable natural resources such as petroleum and the increasing amount of ash and charcoal waste from palm oil mills that has not been utilized, the author synthesizes the silica content from a mixture of ash and charcoal from palm oil waste to be used as a Cr/SiO2 catalyst which will be used for cracking. catalytic from CPO (Crude Palm Oil) to gasoline.  This research aims to determine whether a mixture of waste ash and charcoal from the PTP VI Sungai Bahar factory waste can be used as a silica source to produce Cr/SiO2 catalysts and to determine its activity in the catalytic cracking of CPO into gasoline.  The cracking process was carried out in a fixed bed reactor which consists of a horizontal reactor and a vertical reactor and equipped with an electric heater and temperature controller. Catalytic cracking was carried out with several ratios of catalyst : CPO, namely 1:20, 1:25, and 1:30.  Similar cracking process without catalyst (the thermal cracking) was also carried out as a comparison.  The conversion of CHP into gasoline using ratios 1:20, 1:25, 1:30 were 13.67%, 10.78%, 11.59% respectively. Meanwhile, the gasoline conversion produced by thermal cracking was only 9.46%, 9.95%, 6.86%. These results show that catalytic cracking produced more gasoline than thermal  cracking.
Catalysts for Production of Biofuels from Palm Oil-based Feedstock in Jambi Province: A Review of Performance and Potential Pratama, Seftiananda; Nazarudin, Nazarudin
Jurnal Bio-Geo Material Dan Energi Vol. 2 No. 1 (2022): Journal of Bio-Geo Material and Energy (BiGME), March 2022
Publisher : PUI BiGME Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/bigme.v2i1.31540

Abstract

Palm oil is a crucial agricultural commodity in Jambi Province. It holds significant promise for biofuel production, but the use of catalysts is essential for improving the process's efficiency. This study extensively assesses various catalysts' performance and potential in the context of biofuel production from palm oil-based feedstock in Jambi Province. It examines different catalysts, evaluating their effectiveness in terms of yield, selectivity, while also addressing challenges/opportunities for their development and commercialization in the region. The review of existing research underscores the diversity of catalysts explored for palm oil-based biofuel production in Jambi Province. The findings emphasize that catalysts can substantially enhance both yield and selectivity in the biofuel production process. However, there's a pressing need for further research to create more efficient and cost-effective catalysts for sustainable biofuel production. This research aims to identify catalyst types investigated for biofuel production from palm oil-based feedstock in Jambi Province, assess their performance and potential and offer a comprehensive overview of catalyst development in this context. The study's prospective contribution is as a valuable resource for researchers and developers, aiding future research and development efforts and accelerating the commercialization of improved catalysts for sustainable biofuel production in Jambi Province
Catalytic Cracking of Plastic Waste Polypropylene for Gasoline Production Using H-USY and Cr-USY : Catalytic Cracking of Polypropylene Nazarudin, Nazarudin; Ishak, Putri Mutiara; Afrida, Afrida
Jurnal Bio-Geo Material Dan Energi Vol. 2 No. 2 (2022): Journal of Bio-Geo Material and Energy (BiGME), September 2022
Publisher : PUI BiGME Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/bigme.v2i2.31969

Abstract

Fuel oil reserves are currently decreasing due to an imbalance between the increasing need for fuel consumption and the finding of new sources to fulfill these needs. On the other hand, plastic waste is also an environmental problem. Plastic waste is a synthetic polymer made from petroleum that is difficult to decompose in nature. An alternative route for waste must be applied to prevent a further environmental problem. Catalytic cracking is one alternative that converts plastic waste into liquid hydrocarbons. This research aims to determine the quantity of gasoline produced from the catalytic cracking process of polypropylene (PP) plastic waste using modified H-USY and Cr-USY catalysts. The sample used was plastic waste derived from bottled water packaging. The plastic waste was cut into small pieces, weighed, and then cracked thermally and catalytically with a catalyst: sample ratio 1:10. The results showed that catalytic cracking of PP waste using the H-USY catalyst produced 20.73% gasoline, while using the Cr-USY catalyst resulted in 14.4% and 13.68% gasoline using Cr-USY catalyst 0.1% and 0.3% respectively.
The Effect of NaOH Concentration on The Physical and Chemical Properties of Jerbung Shrimp (Fenneropenaeus Merguiensis de Man) Waste Powder: Jerbung Shrimp (Fenneropenaeus Merguiensis de Man) Waste Powder Satria, Wiranto; Nazarudin, Nazarudin; Mursalin, Mursalin
Jurnal Bio-Geo Material Dan Energi Vol. 4 No. 1 (2024): Journal of Bio-Geo Material and Energy (BiGME), March 2024
Publisher : PUI BiGME Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jbigme.v4i1.31975

Abstract

This research was conducted to determine the effect of NaOH concentration on the physical and chemical properties of shrimp waste powder. This research used a Completely Randomized Design (CRD) with NaOH concentration treatment consisting of 5 levels (1%, 1.25%, 1.5%, 1.75% and 2%) and 4 repitition. The data obtained were analyzed statistically using analysis of variance and followed by Duncan's New Multiple Range Test (DnMRT) when necessary. The research shows that the NaOH concentration has a significant effect on the ash content, protein content, L* and b* values, but has no significant effect on the water content, fat content, solubility and a* values. The best characteristics of shrimp waste powder is obtained using NaOH 1.5% which produces powder with 4.22% water, 39.27% ash, 18.37% protein, 12.43% fat, solubility of 4. 04%, L* value 48.37, a* value 10.92 and b* value 21.47.
Co-Authors -, Maison AA Sudharmawan, AA Abu Bakar Abu Bakar Achmad Hizazi Achmad, E Adang, Ferry Ade Yulia Afreni Hamidah Afrida Afrida Afrida Afrida Agus Ari Setiawansyah Agus Salim Agus Salim Agus Subagyo Agustini, Yetty Ahmad Syadzali Alfernando, Oki Allan Moechamad Zaennoer Kasdjan, Allan Moechamad Zaennoer Amalia, Rahma Andi Aderus Andriani, Nova Andrilolo, Andrilolo Arafi Satria Nugraha Ardina, V Aris Doyan Aris Doyan Aritonang, Anthoni Batahan Armando, YG Asep Bambang Susanto asih, yekti purwo Asmiyunda Asni Johari Asrial Asrial , Asrial Asyhar, R Balqis Rahmatullah Putri Bilady, Royhan Budiono, Satwiko Cahyati, Septina Yuri Darmiyati Dedi Gusriadi Degirmenci, Volkan Deni Irawan Dewantara, Dede Dian Wulansari Dian Wulansari, Dian Dwina, Dila Oktarise Dyah Kumalasari E. Maryana Edy Panda Erawaty, Lela Ervan Johan Wicaksana Evita Anggereini Firdaus Muhammad FITRY TAFZI Friani, Desi Gabriel, Marthen Gusriadi, Dedi Hadi Nur Hadistya Suryadri Hasnita, Aufa Haviz, M Hesti Megawati Hutwan Syarifuddin I. Rahmayani Ibnatun Rif'ah Ilham Falani Indra Agung Pratama Indra Indra Indriyani Indriyani, I Iqbal Ridho Juliandri Ira Galih Ira Galih Prabasari Irma Rahmayani Irma Rahmayani Irpan Ali Rahman Ishak, Putri Mutiara Ismail, Gurawan Dayona Juanda, Adrisma Jumardi Budiman Junaedi Yusuf, Junaedi Junri anton Situmorang Kanto, Rizky Khusnelia, Jeni Kurniaty, Dwi Lai, Sin Yuan Lavlinesia Lavlinesia Lavlinesia, lavlinesia Leny Marlinda Lestari, AD Lisani Lisani, Lisani Liza Aulia Yusfi M. Rizki Mahardini, Angger Putri Mahmuddin Mahmuddin Marlinda, Leny Martinus Maslim Medina Alia Rahmawati Muhammad Agus Muljanto Mukhamad Nurhadi, Mukhamad Mundarti, Sri Murdia, Agus Miranda Mursalin Mursalin . Mursalin, M Mursyid Mursyid . Mursyid Mursyid N Panjaitan Nawahdani, Ahmad Mansur Ninada, Ninada Nova Kafrita Nur Wulandari Nursela, S Oki Alfernando Oman Zuas Pamungkas, Putra Panda, Edy Prabasari, IG Prabowo, Yulius Pratama, Seftiananda Prihatin, Edi Putri Sakinah Harahap Putri, Niken Tasya Clara Ra'ida Raudhatussya'rifah Rahayu Suseno Rahmayani, I Ramadani, Suci Putri Ramadhani, Adisty Rara Ayu Lestary Ratumanan, Tanwey Ria Amelia Yolanda Rifqi Oktarianda Ripka Nainggolan Rizky Kanto Rosmawati Sipayung Rosyani Rulaini, Melati S.P. Amalia Said Sanimubarak Al'qudusi SALPRIMA YUDHA S Salsabila Setyaningsih Satria, Wiranto Septikasari, Anisa Nur Silvi Leila Rahmi Siregar, Nurainun Siti Nursela Soerja Koesnarpadi Sri Widiyawati Sulistiana, Ika Putri Sunarno Sunarno Surhaini Surhaini, Surhaini Suripto Dwi Yuwono SUSENO, JOKO Susilawati - SYAHRIAL SYAHRIAL Tamrin Teguh Wirawan, Teguh Tesy Pratami Tezar, Muhammad Tomara, Anggel Ulyarti Wahyu Ningrum, Wulan Wahyudi Zahar Widyaningsih, Atria Tiffany Widyastuti, Nita Winda Ananda Wirhanuddin, Wirhanuddin Y. G. Armando Yani, Zunarta Yaumidin, Umi K Yogie Yogendra Hans Yuana yuana, Yuana Yuhermita, NM Yuniar Ponco Prananto Yuwono, Suripto D Zunarta Yani