Articles
63
Documents
Evaluation of Biofloc Technology Application on Water Quality and Production Performance of Red Tilapia Oreochromis sp. Cultured at Different Stocking Densities

HAYATI Journal of Biosciences Vol 19, No 2 (2012): June 2012
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Original Source | Check in Google Scholar | Full PDF (124.343 KB)

Abstract

This study evaluated the effect of biofloc technology (BFT) application on water quality and production performance of red tilapia Oreochromis sp. at different stocking densities. Three different fish densities were applied, i.e. 25, 50, and 100 fish/m3, and for each density there were Control (without external carbon input) and BFT treatments. Mixed sex red tilapia with an initial average body weight 77.89 + 3.71 g was cultured in 3 m3 concrete tanks for 14 weeks. Molasses was added on BFT treatments as the organic carbon source at a C/N ratio of 15. Control treatments of each density tested showed more fluctuated water quality parameters throughout the experimental period. The highest TAN and nitrite-nitrogen were observed in control treatment at a stocking density of 100 fish/m3 (3.97 mg TAN/L and 9.29 mg NO2-N/L, respectively). The highest total yield was observed in control treatment at the highest density treatment (43.50 kg), whereas the highest survival was obtained by BFT treatment at a density of 25 fish/m3 (97.78 + 0.77%). Total feed used in BFT was lower than that of control treatments in particular at 50 fish/m3 density (P < 0.05) suggesting that biofloc could be continuously harvested by the fish as other source of food.

“TEMPE” REDUCES DNA DAMAGE IN RATS IRRADIATED WITH ULTRAVIOLET RAY

INDONESIAN JOURNAL OF BIOMEDICAL SCIENCES Vol. 5, No. 1 Januari 2011
Publisher : Udayana University

Show Abstract | Original Source | Check in Google Scholar

Abstract

‘Tempe’ is a popular Javanese-Indonesian tradisional food made of fermentedsoyabean. This study aims to examine whether ‘tempe’, used as a strong anti-free,has the ability to decrease DNA damage induced by ultraviolet ray irirradiation inthe Wistar rats as indicated by the levels of urinary 8-hydroxy-2-deoxyguanosine.A Total of 24 Wistar rats, 2.5 to 3 mounths and 200 gr body weight, weredividing into 4 groups of equal size i.e. three treatment and one control groups.All rats were exposed to 5-hours daily UV ray sources of UV 15 watt Philip for 60days. Randomized post test only control group design was used in this study withindependent variables of 0, 1, 2 and 3 g ‘tempe’ per kilogram body weight per dayand independent variables of 8-hydroxy-2-deoxyguanosine urinary level as aDNA damage biomarker following an oxidative stress. Data were analyzed byusing one way ANOVA followed by Tukey HSD.The results of our study indicates that there is a decrease of DNA damageis manifested by progressive decrease of 8-hydroxy-2-deoxyguanosine level in thetreatment groups as compared to the control group. Statistically significantdecrease of 22.61 % and 25.62 % was shown with p > 0.05.From our analysed data is could be inferred that ‘tempe’ has the ability todecrease DNA damage caused by ultraviolet ray irradiation. Supplementation of2 g ‘tempe’ per kilogram body weight per day appeared to have the strongesteffect of decreasing DNA damage in Wistar rats.

PEROMBAKAN AIR LIMBAH TEKSTIL MENGGUNAKAN JAMUR PENDEGRADASI KAYU JENIS Polyporus sp TERAMOBIL PADA SERBUK GERGAJI KAYU

Bumi Lestari Journal of Environment Vol 12, No 2
Publisher : Udayana University

Show Abstract | Original Source | Check in Google Scholar

Abstract

White-rot fungi produce ligninolytic enzymes including lignin peroxidase (LiP) and manganeseperoxidase (MnP). These enzymes can be applied to degrade azo textile dyes. The objective ofthis research was to study the potential of white-rot fungus which is identified as Polyporussp. for degrading textile wastewater. The Polyporus sp. was evaluated its ability to decolorizeazo dyes such as remazol black B and remazol red RB in solid media. Hereafter, the fungus wasimmobilized on sawdust and the results are used to reduce textile wastewater in an aerobicreactor system. The results revealed that the Polyporus sp. fungus immobilized on sawdust inan aerobic reactor system provides efficiency to decrease COD value up to 75,23%, BOD79,94%, TSS 53,18% and decolorization of textile dyes up to 73,48% within 7 days. Acutetoxicity test showed that moderate toxic textile categorized textile wastewater became lesstoxic.

ANALISIS KATION DAN ANION AIR TANAH DI DAERAH SUKABUMI JAWA BARAT

VALENSI Vol 1, No 2 (2008): Jurnal valensi Volume 1//No.2//Mei 2008
Publisher : Program Studi Kimia, Fakultas Sains dan Teknologi, UIN Syarif Hidayatullah Jakarta

Show Abstract | Original Source | Check in Google Scholar | Full PDF (49.86 KB)

Abstract

Penelitian tentang ”Analisis Kation dan Anion Air Tanah di Daerah Sukabumi Jawa Barat” telahdilakukan. Konsentrasi anion ditentukan menggunakan spektrofotometer visibel dan titrasivolumetrik sedangkan konsentrasi kation menggunakan Spektrofotometer Serapan Atom (SSA).Data yang diperoleh dari hasil analisa (data hidrokimia) sebagai berikut: persentase kation terbesardalam sampel air tanah adalah ion Na+ . Pada beberapa sampel air tanah yaitu sample air tanahdengan kode Smb 8, Smb 16, dan Smb 19, kation dominan setelah Na+ adalah kation Mg 2+sedangkan sampel air tanah dengan kode Smb 20, kation terbesar setelah Na+ adalah kation Ca2+.Persentase anion hampir seluruhnya didominasi oleh anion bikarbonat (HCO3- ), kecuali padasampel air tanah dengan kode Smb 18, Smb 19 dan Smb 20 anion dominannya adalah anion sulfat(SO42-). Dari data yang diperoleh diharapkan menjadi informasi yang berharga bagi penelitianselanjutnya, seperti penentuan kualitas air tanah, penentuan jenis air tanah bahkan sampaipenentuan umur air tanah pada daerah tersebut.

Analisis Kebutuhan Dalam Pengembangan Buklet Edukatif Tematik (BET) Untuk Pendidikan Kesehatan di SD

Jurnal Pendidikan dan Pengajaran Vol 42, No 3 Okt (2009)
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Original Source | Check in Google Scholar | Full PDF (78.563 KB)

Abstract

Tujuan utama penelitian ini adalah melaksanakan analisis kebutuhan dalam mengem-bangkan buklet edukatif tematik (BET) untuk memberikan pendidikan kesehatan di SD. Analisis kebutuhan dilakukan untuk mengetahui profil siswa SD berkaitan dengan perilaku hidup sehat dan bersih (PHBS), tema yang dikembangkan guru dalam pembelajaran tematik di kelas II SD, fasilitas dan lingkungan sekolah untuk mendukung PHBS siswa,  kendala instruksional yang dihadapi guru dalam  pembelajaran tematik, masalah-masalah kesehatan yang dapat dikembangkan sebagai tema, kondisi di lingkungan siswa yang dapat digunakan sebagai acuan untuk mengembangkan tema kesehatan. Sampel penelitian adalah siswa kelas II SD, guru SD, kepala sekolah, dan orang tua siswa di kota Singaraja. Teknik pengumpulan data adalah: wawancara, observasi, dan penyebaran kuesioner. Dari analisis data diperoleh bahwa PHBS siswa untuk indikator kebersihan diri dan ke-bersihan lingkungan untuk aspek tertentu sudah cukup baik (seperti mencuci tangan, mandi, mem-buang sampah), tetapi pada aspek lain perlu ditingkatkan. Kepala sekolah, guru kelas II, dan orang tua siswa sangat setuju dikembangkan buklet sebagai media pendidikan kesehatan di SD.Kata kunci: buklet edukatif tematik, pendidikan kesehatan.

PENGARUH KUALITAS PELAYANAN TERHADAP KEPUASAN DAN LOYALITAS NASABAH/ANGGOTA KOPERASI JASA KEUANGAN SYARIAH (KJKS) BMT INSAN KAMIL SOLO

Manajemen Bisnis Syariah Nomor : 01/Th. VI Vol. 11 Januari 2012
Publisher : Manajemen Bisnis Syariah

Show Abstract | Original Source | Check in Google Scholar

Abstract

The paradigm of Islamic economy is based on the God factor has become thetrend of economic system in many countries, including Indonesia in the past severalyears. The Islamic economic system in Indonesia began developed in 1992. Thedevelopment of Islamic economy itself is able to control the Islamic valueimplementation of the society economic life. In business practices, the consciousnessof etiquette, honesty and other Islamic principles appear.Some approaches done to attract the sympathy of society, whether throughfacilities increasie , technology application or human resources. The competition togive the best to the customers, have placed the customers as the decision makers. Themore similar companies operated, offers various products and services, this makessociety determine correct choice for their needs.In the tight competition situation, customers often have loyalty to BMT becausemany alternatives are given to the customers and they will choose the most profitableoffer for them. The aims of this research is to analyze the influence of servicesatisfaction towards customers/members loyalty to KJKS BMT Insan Kamil Solo.This research problem is purposed to identify how the influence of service ondimension of reliability, assurance, tangibles,empathy responsiveness, price, accessand customer intimacy towards satisfaction and loyalty of the customers.The concept used is about the management of strategy, the quality of service,customers loyalty, customers satisfaction and customers satisfaction strategy.Based on these cases, theory is proposed with 9 hypotheses to be tested with SEM(Stuctural Equation Modal) method. The sample of the research is 135 respondentsfrom the KJKS BMTs customers/members.The result of the analyses meets the goodness of index criteria, of which thescore chisquare is 3.5858, probability: 0.55, RMSEA: 0.55, GFI: 0.55, AGFI: 0.942,CMIN/DF: 1.214, TLI: 0.975 and CFI: 0.977. From the result of 9 hypotheses indicatean acceptable result.The result of this research indicates that there are influenceamong the service quality of reliability, guarantee, reality, empathy, response power,price, access, and closeness to the customer towards the customers satisfaction andloyalty in KJKS BMT Insan Kamil Solo.The recomendation of this research is that KJKS BMT Insan Kamil shouldimprove the quality of service( for instance, by increasing ability, hospitality of Tellerand its Customer Service and the condition of facilities and the accessibility to contactKJKS BMT Insan Kamil) refers to the questionnaire result which is widely opened toreach customers satisfaction and loyalty.The keywords: Reliability, assurance, tangibles, empathy responsiveness, price,access and customer intimacy

Analisis faktor-faktor yang mempengaruhi keberfungsian pasca gempa dan tsunami di nanggroe aceh darussalam

Media Gizi dan Keluarga Vol 32, No 2 (2008): Media Gizi dan Keluarga
Publisher : Media Gizi dan Keluarga

Show Abstract | Original Source | Check in Google Scholar | Full PDF (256.407 KB)

Abstract

ABSTRACT. In the end of December 2004, earthquake and tsunami disaster attacked Nanggroe Aceh Darussalam Province and North Sumatera. The disaster caused : (a) the human victims with large numbers; (b) the paralyzed of basic community services; (c) disfunction of basic infra structure; as well as (d) the destroyed of social and economic system. The objectives of this research wass to analyze the coping strategies of families after earthquake and tsunami disaster in Nanggroe Aceh Darussalam Province. This research used cross-sectional design study, it’s was performed since May 2006 in Kuta Alam and Meuraxa sub-districts. Number of samples were 138 families, which consist of 103 intact families, 20 widower families and 15 widow families. Sampling technique used proportional random sampling. Data was taken by using questionnaire. Meanwhile, both coping problem-based strategy (44.2%) and emotion-based strategy (18.1%) of families applied with degree of high level. Most of families were categorized into high category for expressive and instrumental. The significant variables which influenced the family’s expressive function were personality, widower typologi, seeking social support, planful problem solving and widows typology. Meanwhile, the variables influenced significantly on family’s instrumental function were health problem, housing problem, educational problems, plantful problem solving, self controlling, family size, social support.Keywords: coping strategies, family, earthquake and tsunami disaster

KRISIS PANGAN DAN SOLUSINYA

MAJALAH ILMIAH GEMA Vol 22, No 40 (2010): GEMA, Th. XXII/40/Pebruari - Juli 2010
Publisher : MAJALAH ILMIAH GEMA

Show Abstract | Original Source | Check in Google Scholar

Abstract

Masalah pangan dalam beberapa tahun ke depan akan menjadi topik sentral di dunia, termasuk negara subur seperti Indonesia. Sejak 2007, Indonesia termasuk sebagai salah satu negara yang rawan pangan, bersama 37 negara lainnya. Antara lain Irak, Afghanistan, Korea, Timor Leste, Bangladesh, Nepal, Pakistan, dan Sri Lanka.Menurut FAO (Food and Agriculture Organization), tingkat bencana alam seperti banjir, gempa, kekeringan dan longsor di perkirakan menjadi salah satu penyebab kerawanan pangan di Indonesia.Kata Kunci  : Krisis, Pangan, Negara

TEMPE MENINGKATKAN KAPASITAS ANTIOKSIDAN TOTAL DAN MENURUNKAN KERUSAKAN JARINGAN KULIT PADA TIKUS YANG TERADIASI SINAR ULTRAVIOLET

Prosiding Seminar Nasional MIPA Vol 1, No 1 (2011): SEMINAR NASIONAL FMIPA UNDIKSHA 2011
Publisher : Prosiding Seminar Nasional MIPA

Show Abstract | Original Source | Check in Google Scholar | Full PDF (117.432 KB)

Abstract

Abstrak: Tempe merupakan pangan fungsional dan dapat digunakan sebagai zat anti radikal bebas akibat radiasi sinar ultraviolet ditandai dengan  peningkatan kapasitas antioksidan total. Penelitian ini bertujuan untuk mengetahui pengaruh tempe dalam meningkatkan kapasitas antioksidan total dan juga menurunankan kerusakan jaringan kulit akibat radiasi sinar ultraviolet. Penelitian ini menggunakan rancangan the randomized post test only control group design dengan variabel bebas berupa tempe  0, 1, 2 dan 3 gr/kg BB/hari dan variabel terikat berupa kapasitas antioksidan total dan kerusakan jaringan kulit pada tikus. Analisis data menggunakan anova satu arah yang dilanjutkan dengan uji Tukey HSD. Hasil penelitian menyatakan adanya peningkatan kapasitas antioksidan total pada kelompok kontrol dibandingkan P1, P2 dan P3 berturut-turut sebesar 5,02 %, 11,16 % dan 14,09 % dan terjadi penurunan kerusakan jaringan kulit. Dengan demikian dapat disimpulkan bahwa tempe  dapat meningkatkan kapasitas antioksidan total darah dan menurunkan kerusakan jaringan kulit akibat radiasi sinar ultraviolet.

PENGARUH TEMPE KEDELAI TERHADAP KADAR SGOT DAN SGPT TIKUS DALAM KONDISI STRES OKSIDATIF

Prosiding Seminar Nasional MIPA Vol 2, No 1 (2012): SEMINAR NASIONAL FMIPA UNDIKSHA 2012
Publisher : Prosiding Seminar Nasional MIPA

Show Abstract | Original Source | Check in Google Scholar

Abstract

AbstrakPenelitian ini bertujuan untuk mengetahui pengaruh tempe kedelai yang mengandung antioksidan berupa isoflavon, SOD dan vitamin E terhadap kadar SGOT dan SGPT dan kerusakan hati tikus dalam kondisi stress oksidatif secara imunohistokimia. Penelitian ini dilakukan pada 24 ekor tikus putih strain Wistar . Tikus dibagi dalam tiga kelompok : kelompok kontrol (tanpa tempe dan tanpa disinar) kelompok perlakuan 1 (tanpa tempe dan dan disinar) dan perlakuan 2 (tempe 2 gram / kg BB/ hari dan disinar). Penyinaran (stress oksidatif) dilakukan selama 60 hari dengan lama penyinaran tiap hari sebanyak 5 jam. Data dianalisis menggunakan anova satu jalur dengan taraf signifikansi 5 %. Hasil penelitian menunjukkan bahwa pemberian tempe kedelai dapat menurunkan kadar SGOT sebesar 17 % dan kadar SGPT sebesar 16,64 %. Penurunan kerusakan hati tikus secara immunohistokimia sebesar 90,7 %.