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KARAKTERISASI LAJU PERTUMBUHAN MISELIUM JAMUR TIRAM PUTIH (Pleurotus ostreatus) PADA MEDIA DEDAK PADI (Oryza sativaL) DAN JAGUNG (Zea mays L) Nova Damayanti; Umrah Umrah
Biocelebes Vol. 8 No. 2 (2014)
Publisher : Biology Department, Mathematics and natural science, Tadulako University

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The aim of this study is to characterize the growth rate of mycelium of oyster mushroom (Pleurotus ostreatus). It’s expected that the out come of this study is to find out the best medium which suitable for oyster mushroom propagation. The experiment was designedbased oncompletely randomized design(CRD) consistingof 6 treatmentsand 3 repetitions. The treatment were various ratio of rice bran and corn on the growth medium. The ratio used as treatment (rice : corn) were 100:0 (P1), 80:20 (P2), 60:40 (P3), 40:60 (P4),80:20 (P5), 0:100 (P6). Result of experiment showed that medium P3 was the bestin supporting the growth rate of mycelia which in average of 8,45 mm/day. It were higher than it in other media P4 (7,95 mm/ day), P6 (7,45 mm/ day), P5 (7,08 mm/ day), P1 (6,33 mm/ day) and P2 (5,5 mm/ day). Mycelia on this medium was growth faster that mycelium on the other medium. Keywords: Growthrate,Oyster Mushroom(Pleurotus ostreatus), ricebran (Oryza sativaL), corn (Zea maysL)

Zakat Produktif dan Kemandirian Mustahik Oom Komariyah; Nova Damayanti
ISLAMINOMICS: JOURNAL OF ISLAMIC ECONOMICS, BUSINESS AND FINANCE Vol 6, No 2 (2015): ISLAMINOMICS: Journal of Islamic Economics, Business and Finance
Publisher : STES Islamic Village

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47903/ji.v6i2.40

Penelitian ini bertujuan untuk mengetahui pengaruh antarazakat produktif terhadap kemandirian mustahik di InstitutKemandirian Dompet Dhuafa Tangerang Periode Agustus –Desember 2014. Menggunakan metode persamaan regresi Y=a=bX,adapun sampel penelitian sebanyak 42 responden, menggunakanteknik stratified random sampling atau random acak. Pengumpulandata menggunakan angket kuesioner untuk mengetahui data X dandata Y. Variabel zakat produktif (X) mempunyai pengaruh yangsignifikan terhadap kemandirian mustahik pada Institut KemandirianDompet Dhuafa Tangerang. Terlihat thitung (4,050) > ttabel (1,684) danterlihat Fhitung (16,401) > Ftabel (4,079) dengan nilai koeisiendeterminasi R2 adalah 29,1% dan persamaan regresi diperoleh Y =a+bX dapat dilukiskan bahwa Y = 28,841 + 0,751X. Dari persamaanini dapat dibaca dan diprediksikan bahwa variabel dependen (Y)akan berubah sebesar 0,751 untuk setiap unit perubahan yang terjadipada variabel independen (X), hal ini membuktikan variabel Xberpengaruh sangat signifikan pada variabel Y, P value (sig) sebesar0,000 yang di bawah alpha 0,05 yang berarti membuktikan hipotesisH1 diterima bahwa ada pengaruh signifikan zakat produktifmempunyai andil dalam mempengaruhi kemandirian mustahik padaInstitut Kemandirian Dompet Dhuafa Tangerang

Diagnostic Value of Platelet-to-Lymphocyte Ratio Versus Neutrophil-to-Lymphocyte Ratio in Early-Onset Neonatal Sepsis: A Retrospective Analysis in a Limited-Resource Setting Delicia Rudy; Nova Damayanti; Putu Siska Suryaningsih; I Wayan Bikin Suryawan
Bioscientia Medicina : Journal of Biomedicine and Translational Research Vol. 10 No. 2 (2025): Bioscientia Medicina: Journal of Biomedicine & Translational Research
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/bsm.v10i2.1507

Background: Early-onset neonatal sepsis remains a critical cause of mortality in developing nations. Blood culture, the gold standard, suffers from delay and low sensitivity. While hematologic indices such as neutrophil-to-lymphocyte ratio (NLR) are used in adults, their utility in the first 72 hours of life is confounded by physiological instability. This study evaluates the diagnostic accuracy of the platelet-to-lymphocyte ratio (PLR) compared to NLR, mean platelet volume (MPV), and red cell distribution width (RDW) in early-onset neonatal sepsis. Methods: A retrospective observational study was conducted on 55 neonates (25 septic, 30 symptomatic non-septic controls) at a tertiary center in Indonesia. Sepsis was defined by clinical criteria and C-reactive protein positivity, independent of complete blood count parameters, to avoid incorporation bias. Diagnostic performance was assessed using Mann-Whitney U tests, receiver operating characteristic curve analysis, and multivariable logistic regression to control for confounders, including asphyxia. Results: The median PLR was significantly lower in the sepsis group compared to controls (32.6 [IQR 3.4–100.4] versus 71.1 [IQR 45.3–82.9]; p = 0.016). Conversely, NLR (p = 0.80), MPV (p = 0.163), and RDW (p = 0.422) showed no significant discrimination. PLR yielded an area under the curve of 0.724. At a cut-off of equal to or less than 40.5, determined by the Youden Index, PLR demonstrated a sensitivity of 68.0%, specificity of 73.3%, positive likelihood ratio of 2.55, and negative likelihood ratio of 0.44. Multivariable regression confirmed PLR as an independent predictor (Adjusted Odds Ratio 0.96; 95% CI 0.93–0.99; p = 0.038) after adjusting for birth asphyxia. Conclusion: PLR demonstrates superior discriminative ability over NLR for early-onset sepsis in this cohort. The distinct inverse PLR phenomenon reflects sepsis-induced thrombocytopenia and bone marrow suppression. While not a standalone diagnostic tool, PLR serves as a valuable, zero-cost adjunctive marker for risk stratification in resource-limited settings.

Diagnostic Value of Platelet-to-Lymphocyte Ratio Versus Neutrophil-to-Lymphocyte Ratio in Early-Onset Neonatal Sepsis: A Retrospective Analysis in a Limited-Resource Setting Delicia Rudy; Nova Damayanti; Putu Siska Suryaningsih; I Wayan Bikin Suryawan
Bioscientia Medicina : Journal of Biomedicine and Translational Research Vol. 10 No. 2 (2025): Bioscientia Medicina: Journal of Biomedicine & Translational Research
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/bsm.v10i2.1507

Background: Early-onset neonatal sepsis remains a critical cause of mortality in developing nations. Blood culture, the gold standard, suffers from delay and low sensitivity. While hematologic indices such as neutrophil-to-lymphocyte ratio (NLR) are used in adults, their utility in the first 72 hours of life is confounded by physiological instability. This study evaluates the diagnostic accuracy of the platelet-to-lymphocyte ratio (PLR) compared to NLR, mean platelet volume (MPV), and red cell distribution width (RDW) in early-onset neonatal sepsis. Methods: A retrospective observational study was conducted on 55 neonates (25 septic, 30 symptomatic non-septic controls) at a tertiary center in Indonesia. Sepsis was defined by clinical criteria and C-reactive protein positivity, independent of complete blood count parameters, to avoid incorporation bias. Diagnostic performance was assessed using Mann-Whitney U tests, receiver operating characteristic curve analysis, and multivariable logistic regression to control for confounders, including asphyxia. Results: The median PLR was significantly lower in the sepsis group compared to controls (32.6 [IQR 3.4–100.4] versus 71.1 [IQR 45.3–82.9]; p = 0.016). Conversely, NLR (p = 0.80), MPV (p = 0.163), and RDW (p = 0.422) showed no significant discrimination. PLR yielded an area under the curve of 0.724. At a cut-off of equal to or less than 40.5, determined by the Youden Index, PLR demonstrated a sensitivity of 68.0%, specificity of 73.3%, positive likelihood ratio of 2.55, and negative likelihood ratio of 0.44. Multivariable regression confirmed PLR as an independent predictor (Adjusted Odds Ratio 0.96; 95% CI 0.93–0.99; p = 0.038) after adjusting for birth asphyxia. Conclusion: PLR demonstrates superior discriminative ability over NLR for early-onset sepsis in this cohort. The distinct inverse PLR phenomenon reflects sepsis-induced thrombocytopenia and bone marrow suppression. While not a standalone diagnostic tool, PLR serves as a valuable, zero-cost adjunctive marker for risk stratification in resource-limited settings.

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