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All Journal Maspari Journal Jurnal Hukum IUS QUIA IUSTUM Journal of Economy, Accounting and Management Science (JEAMS) Sevaka: Hasil Kegiatan Layanan Masyarakat
Chairul Huda
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Social Sciences

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Penapisan Aktivitas Antibakteri dari Bakteri yang Berasosiasi dengan Karang Lunak Sarcophyton sp Chairul Huda; Salni .; Melki .
Maspari Journal : Marine Science Research Vol 4, No 1 (2012): Edisi Januari
Publisher : UNIVERSITAS SRIWIJAYA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (270.102 KB) | DOI: 10.36706/maspari.v4i1.1343

Abstract

A screening of antibacterial activity from bacteria associating with soft coral Sarcophyton sp from Tegal island, Lampung, was conducted. The purpose of this screening was to get bacterial isolates that have antibacterial activity with Escherichia coli and Stapiloccocus aureus and also to determine the biochemical characters from the bacteria that have the antibacterial activity. The sample of soft coral was taken by snorkeling at 1,5 meters depth. The bacteria that associated with soft coral were isolated by dilution and pour plate method on NA media. The test of antibacterial activity was done by using agar diffusion  method with paper discs. Isolates that have antibacterial activity were tested to check their biochemical characters. From 10 bacteria isolates that have associated with soft coral Sarcophyton sp were obtained, there were two isolates had antibacterial activity (D1.1 to E. coli and D2.2 to S. Aureus).  Both bacteria isolates were  gram negative and motil. In catalyst test, oxidation, urea, citrate, and carbohydrate fermentation both bacteria isolates showed positive reaction. With VP test, D1.1 isolate showed positive  reaction but D2.2 showed negative reaction. In contarary, with gelatin isolate test, isolate D1.1 showed negative reaction but D2.2 positive. Keywords: Bacteria associations, soft corals, Sarcophyton sp, antibacterial,  biochemical tests   ABSTRAK Telah dilakukan penapisan aktivitas antibakteri dari bakteri yang berasosiasi dengan karang lunak Sarcophyton sp dari perairan Pulau Tegal, Lampung. Tujuan penelitian ini adalah untuk mendapatkan isolat bakteri yang memiliki aktivitas antibakteri terhadap E. coli dan S. aureus serta mengetahui sifat biokimia dari bakteri yang memiliki aktivitas antibakteri tersebut. Pengambilan sampel karang lunak dilakukan dengan teknik snorkeling pada kedalaman 1,5 meter. Bakteri yang berasosiasi dengan karang lunak diisolasi dengan metode pengenceran bertingkat dan pour plate pada media NA. Uji aktivitas antibakteri dilakukan dengan metode difusi agar menggunakan paper disk. Isolat yang memiliki aktivitas antibakteri diuji sifat biokimianya. Berdasarkan hasil penelitian didapatkan 10 isolat bakteri yang berasosiasi dengan karang lunak Sarcophyton sp, dan dari 10 isolat tersebut didapat 2 isolat yang memiliki aktivitas antibakteri (D1.1 terhadap E. coli dan D2.2 terhadap S. aureus). Kedua isolat bakteri ini merupakan bakteri gram negatif dan motil. Pada uji katalase, oksidase, urea, sitrat dan fermentasi karbohidrat, kedua isolat bakteri baik D1.1 maupun D2.2 sama-sama menunjukan reaksi yang positif. Uji MR kedua isolat sama-sama menunjukan reaksi negatif. Sedangkan pada uji VP isolat bakteri D1.1 menunjukkan reaksi positif dan D2.2 negatif. Sebaliknya, pada uji gelatin isolat D1.1 menunjukkan reaksi negatif dan D2.2 positif. Kata Kunci: Bakteri asosiasi, karang lunak, Sarcophyton sp, antibakteri, uji  biokimia
Kedudukan Subsistem Kepolisian dalam Sistem Peradilan Pidana Chairul Huda
Jurnal Hukum IUS QUIA IUSTUM Vol. 6 No. 12 (1999): H A K I
Publisher : Fakultas Hukum Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/iustum.vol6.iss12.art12

Abstract

The sub system of police has been a control position in criminal justice system from where the effectiveness of the system has been determined. The refore, discourses on the position of the sub system of police has been alway sinteresting to do. Because the changes of function andres ponsibility of the sub system willgive agre at effecton the performance of the system as a whole, reposition of The Police of the Republic of Indonesia (POLR!) recently has to be supported by an andequate and academic responsible teoritical under standing.
The Effect of Service Quality, Company Image, And Experiental Marketing On Consumer Loyalty of Ace Hardware BG Junction Surabaya Chairul Huda; Novelia Asita Mranani; Supartini
Journal of Economy, Accounting and Management Science (JEAMS) Vol. 4 No. 2 (2023): March
Publisher : Faculty of Economics, Merdeka University Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55173/jeams.v4i2.55

Abstract

The purpose of this study is to determine the effect of Service Quality, Company Image and Experiential Marketing on Consumer Loyalty of ACE Hardware BG Junction Surabaya simultaneously and partially. The analysis technique uses Multiple Regression Test (multiple regression) with the SPSS program. The results showed that the variables of service quality, company image and experiential marketing had a joint or simultaneous effect on customer satisfaction at ACE Hardware at BG Junction Surabaya. For Service quality has a positive and significant influence on customer satisfaction. Company image does not have a positive and significant effect on customer satisfaction. Experiential marketing has a positive and significant influence on customer satisfaction.
Transformasi Pembelajaran PAI Melalui Media Sosial: Strategi Meningkatkan Keterlibatan Mahasiswa Chairul Huda; Muhammad Zaki
Sevaka : Hasil Kegiatan Layanan Masyarakat Vol. 3 No. 3 (2025): Agustus : Sevaka : Hasil Kegiatan Layanan Masyarakat
Publisher : STIKES Columbia Asia Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62027/sevaka.v3i3.572

Abstract

Digital transformation in the modern era has significantly influenced various aspects of life, including education. Today's university students, as digital natives, have a strong tendency to access information and learn through social media platforms such as Instagram and YouTube. This opens up great opportunities to develop more adaptive, contextual, and relevant learning strategies, particularly in Islamic Religious Education (PAI), which is often perceived as traditional and monotonous. This community service project aims to transform PAI learning methods through the integration of social media to enhance student engagement and learning motivation. The implementation method includes five stages: socialization, training and workshops, content production mentoring, instructional implementation, and evaluation and reflection. The results show that the use of YouTube and Instagram as learning media effectively increases student engagement scores (average 3.75) and learning motivation (average 3.80), with YouTube contributing the most by providing long-form, flexible educational content. Instagram complements this by delivering moral messages in a quick and visually appealing format. Beyond improving learning effectiveness, this initiative also promotes Islamic digital literacy and empowers students as content creators for moderate and educational Islamic messages. In conclusion, the strategic integration of social media in PAI learning is a proven innovative approach that should be widely adopted in higher education environments.
Co-Authors Melki Melki Muhammad Zaki Novelia Asita Mranani Salni . Supartini