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Potensi Pemaparan Light Emitting Diode (LED) Inframerah Untuk Fotoinaktivasi Bakteri Bacillus subtilis Suryani Dyah Astuti; Rania Basalamah; Moh. Yasin
Jurnal Biosains Pascasarjana Vol. 17 No. 1 (2015): JURNAL BIOSAINS PASCASARJANA
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jbp.v17i1.2015.10-18

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh pemaparan cahaya LED inframerah pada fotoinaktivasi bakteri Bacillus subtilis dengan cara melakukan uji potensi untuk mengetahui panjang gelombang yang sesuai dengan spektrum serap fotosensitiser bakteri Bacillus subtilis. Selain itu dilakukan uji optimasi untuk menentukan jarak dan waktu pemaparan yang efektif pada proses fotoinaktivasi bakteri Bacillus subtilis dengan variasi jarak 1,5 cm, 2cm, dan 3cm serta variasi waktu 5 menit, 10 menit, 15 menit dan 20 menit. Penelitian ini menggunakan metode TPC (Total Plate Count) untuk menghitung jumlah kematian koloni bakteri akibat pemaparan. Hasil penelitian menunjukkan bahwa LED inframerah dengan panjang gelombang 950 nm berpotensi untuk fotoinaktivasi bakteri Bacillus subtilis. Dan efek pemaparan yang paling efektif adalah pada jarak 1,5 cm pada waktu 15 menit dengan prosentase kematian sebesar 53%.
THE USE OF THE KANSEI ENGINEERING METHOD IN THE DESIGN OF THE MULTIVARIANCE MOUNT WEAPON WIRELESS CONTROL SYSTEM Prayit Suprayitno; Marsono Panjaitan; Khusnul Ain; Moh. Yasin
Jurnal Pertahanan: Media Informasi ttg Kajian & Strategi Pertahanan yang Mengedepankan Identity, Nasionalism & Integrity Vol 8, No 3 (2022)
Publisher : The Republic of Indonesia Defense University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33172/jp.v8i3.1850

Abstract

The Frogman Forces Command or Kopaska (Komando Pasukan Katak) is one of the special forces owned by the Indonesian Navy (TNI AL). Kopaska unit often carries out covert operations such as Amphibious Operations, Special Operations, and other supports to expedite Indonesian Navy operations. To support the implementation of these tasks, the Kopaska unit needs to be equipped with special equipment to carry out operational tasks. Currently, the Kopaska unit does not yet have a weapon mount that can be controlled remotely. This study proposes a multivariance weapon wireless system control that is designed to be used remotely by using a mobile application through the internet. A Multivariance Mount Weapon Wireless System Control was designed using the Kansei Engineering method to provide alternative tools to support Kopaska tasks more effectively and efficiently and be able to minimize material and personnel losses. The average value of the level of user satisfaction with the tool design has reached a fairly good position, namely 3.17 from the initial value of 1.36 (scale 1 to 4), so this new product is ready as an alternative to be produced.Â