The Sangihe Islands is located in the Republic of Indonesia Fisheries Management Area (WPPNRI) 716, which has an area of about 52.5 million hectares. The potential productions for small and large pelagic fish in WPP NRI 716 are 332,635 tons/year and 181,491 tons/year, respectively, with utilization rates of 0.48 and 0.63. The dominant fish species caught were skipjack, mackerel, yellowfin tuna, and anchovies. In order to estimate fish biomass around the Sangihe Islands waters, acoustic data has been collected in several locations using a 120 kHz BIOSONIC DT-X echo sounder mounted on fishing vessels with purse seine gear. In addition, an analysis of the data from the results of the Spatial Ecosystem and Population Dynamics Model (SEAPODYM) from INDESO Project was also carried out. This model has a resolution of 1/12° and applied in Indonesian waters for 3 types of tuna, namely yellowfin, bigeye, and skipjack. Acoustic data showed that the largest fish biomass along the survey tracks was found at depths between 126 and 150 m, with a total biomass of 21,418 tons. Meanwhile, from the model results, it was found that skipjack biomass was the largest. The average biomass around the Sangihe Islands waters was around 1,340 tons.
Characterization of silver nanoparticle-producing bacteria from Tembagapura, Papua, Indonesia soil samples isolates has been investigated. Bacteria characterization was carried out macroscopically, microscopically, biochemically and molecularly. Furthermore, the results of the formed silver nanoparticles were characterized using UV-VIS spectroscopy, Fourier transform infrared (FTIR) and scanning electron microscopy (SEM). The experimental results showed maximum absorbance at 414 nm in TP10-1 isolates in UV-Vis spectroscopy. FTIR spectra of silver nanoparticles samples of TP10-1 isolates showed strong peaks in wave numbers 1637.65 cm-1 and 3329.47 cm-1. SEM micrographs reveal the formation of well dispersed silver nanoparticles. Silver nanoparticles of TP10-1 isolates that was measured by the imageJ program had an average particle size of 16,991 nm. Bacterial isolates with TP10-1 sample code which are identical to the Bacillus cereus strain GCF1I2 was able to synthesize silver nanoparticles.
Latar belakang: PONV dapat terjadi pada 20-30% pasien, bahkan pada pasien-pasien yang berisiko tinggi bisa mencapai sekitar 70%. PONV menyebabkan peningkatan morbiditas, menurunnya kepuasan pasien dan meningkatnya biaya yang dikeluarkan pasien. Salah satu cara nonfarmakologi yang dapat dilakukan untuk menurunkan mual muntah pascaoperasi adalah dengan pemakaian akupresur. Penelitian ini bertujuan untuk mengetahui efektifitas pemakaian akupresur Sea-Band® untuk menurunkan angka kejadian mual muntah pascaoperasi pada pasien yang menjalani anestesia umum inhalasi. Metode: Dilakukan pembiusan umum pada 88 pasien ASA 1-2 yang menjalani pembedahan risiko tinggi PONV. Tujuh pasien dikeluarkan, akupresur 41 sampel dan kontrol 40 sampel. Pada kelompok perlakukan diberikan lakukan pemasangan akupresur Sea-Band® 30-60 menit sebelum dilakukan pembiusan. Seluruh sampel diberikan antiemetik. Dilakukan pencatatan angka kejadian mual muntah selama 0-2 jam pascaoperasi di ruang pulih dan 2-24 jam di ruang rawat inap. Tidak didapatkan terjadinya efek samping pada kedua kelompok. Hasil: Didapatkan hasil yang tidak berbeda bermakna antara kedua kelompok dalam insidens mual dan muntah di ruang pemulihan (0-2 jam). Insidens mual dalam 0-2 jam antara akupresur vs plasebo adalah 9,75 % vs 25 % (p > 0,05) dan insidens muntah dalam 0-2 jam antara akupresur vs plasebo adalah 4,87 % vs 17,5 % (p> 0,05). Insidens mual dalam 2-24 jam antara akupresur vs plasebo adalah 2,43 % vs 20 % (p < 0,05). Insidens muntah dalam 2-24 jam antara akupresur vs plasebo adalah 0 % vs 7,5 % (p > 0,05). Tidak didapatkan terjadinya efek samping pada kedua kelompok. Tercatat bahwa 90,2% mengatakan puas dengan manfaat penggunaan akupresur dan pemberian ondansetron, bahkan pada kelompok yang sama sebanyak 4,9% menyatakan sangat puas. Kesimpulan: Penggunaan akupresur Sea-Band® dengan Ondansetron terbukti dapat menurunkan angka kejadian mual pada rentang waktu 2-24 jam setelah operasi dengan anestesia umum inhalasi.
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