Syamsuri, Rizky Riscahya Pratama
Unknown Affiliation

Published : 2 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search

Pemanfaatan Microbial Fuel Cell untuk Mengatasi Pencemaran Lingkungan dan Menghasilkan Mikroenergi Syamsuri, Rizky Riscahya Pratama; Pribadi, Tri Dewi K; Rosada, Keukeu Kaniawati
Sainteknol : Jurnal Sains dan Teknologi Vol 19, No 1 (2021): June 2021
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/sainteknol.v19i1.25655

Abstract

Microbial Fuel Cell (MFC) memiliki kemampuan untuk meremediasi pencemar sekaligus mengubah energi kimia menjadi energi listrik. Penelitian ini dilakukan untuk mendapatkan informasi mengenai kemampuan bakteri sedimen mangrove di daerah Karangsong Kabupaten Indramayu dalam mereduksi Total Petroleum Hydrocarbon (TPH), ammonia, fosfat, dan kemampuannya dalam menghasilkan by-product microenergy. Metode yang digunakan dalam penelitian ini bersifat eksploratif yang terdiri dari 6 tahapan yaitu pengambilan sampel, pembuatan rangkaian MFC, pengukuran arus listrik dengan multitester, isolasi bakteri pada anoda MFC, dan karakterisasi bakteri pada anoda MFC. Hasil dari penelitian ini menunjukan besar penurunan kadar TPH, ammonia, fosfat  masing-masing sebesar 47%, 98%, dan 87%, sedangkan current density sebesar 131,86 mA/m2, dan power density sebesar 43,45 W/m2. Bakteri yang berhasil diisolasi dari sedimen mangrove Karangsong sebanyak 8 isolat yang terdiri dari 5 isolat berbentuk basil gram negatif, dan 3 isolat berbentuk diplobasil gram negatif. Penelitian perlu dilanjutkan sampai tahap identifikasi bakteri dan optimasi mikroenergi yang dihasilkan.
Exploration of pathogenic bacteria from lettuce (Lactuca sativa) in a Canteen at Universitas Padjadjaran Chan, Rosamond; Syaputri, Yolani; Syamsuri, Rizky Riscahya Pratama; Rossiana, Nia
Riset Informasi Kesehatan Vol 13 No 2 (2024): Riset Informasi Kesehatan
Publisher : Sekolah Tinggi Ilmu Kesehatan Harapan Ibu Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30644/rik.v13i2.872

Abstract

Background: Lettuce (Lactuca sativa) is commonly consumed raw as a salad, making it highly susceptible to contamination by pathogenic bacteria. This study aims to identify the presence of pathogenic bacteria on raw lettuce to offer an alternative method for handling these pathogens and improving public health. Method: In this research, lettuce samples were bacteriologically tested to identify the presence of pathogenic bacteria. Isolation was performed using selective media, Salmonella-Shigella (SS) agar and Eosin Methylene Blue (EMB) agar, to obtain pathogenic bacteria. Identification was conducted through macroscopic and microscopic examinations, as well as biochemical tests, including indole, Methyl Red, Voges-Proskauer, citrate, motility, and catalase tests. Results: The results of the study revealed the presence of four bacterial isolates: SS 1, SS 2, EMB 1, and EMB 2. Based on the study and identification using "Microbiology: A Laboratory Manual 12th Edition," isolates SS 1, EMB 1, and EMB 2 were identified as Alcaligenes sp., while isolate SS 2 was identified as Proteus sp. Conclusion: These findings provide essential knowledge for managing pathogenic bacterial contamination on lettuce, potentially enhancing food safety and public health.