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70 results for “nitrogen source”
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Research ArticleOpen accessPhrase in the titleEffects of Nitrogen Source on the Lipid Accumulation in Phaeodactylum TricornutumXiaojie Ren, Qi Yan, Song Li et al.Nitrogen source has an important influence on the growth and lipid synthesis of Phaeodactylum tricornutum. It affects lipid accumulation through global metabolic regulation. However, little research has been done on the correlation between other metabolites and lipid metabolism during the synthesis of Phaeodactylum tricornutum. In this study, we studied the effect of different nitrogen sources on lipid and other major … …American Journal of Biochemistry and Biotechnology, Vol. 16, Issue 3 · 27 Jul 2020 · 6,913 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleEffects of Light Exposure and Nitrogen Source on the Production of Oil from Freshwater and Marine Water MicroalgaeMariam Al Hattab, Abdel GhalyThe biomass yield and oil content of Chlorella saccharophila (freshwater) and Tetraselmis suecica (marine) microalgae were investigated using various nitrogen source (ammonium nitrate, ammonium phosphate, ammonium sulfate and combination of nutrients) at various light durations (9, 16 and 24 h). NaHCO3 was used as the carbon source. The nitrogen concentration, temperature and pH were maintained at 70 mg/L, 22°C and … …American Journal of Biochemistry and Biotechnology, Vol. 10, Issue 4 · 8 Dec 2014 · 7,265 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleScreening of Yeast Strains for Pectinolytic Activity: Effects of Different Carbon and Nitrogen Sources in Submerged FermentationsMustafa Oskay, Hüsniye Tansel YalçinTwenty yeast strains were screened for pectinolytic activity, among the strains, only nine were positive for pectinase production. The best strain was Kluyveromyces marxianus NRRL-Y-1109 which gave high quantities of pectinase activity, by submerged fermentation. Different parameters such as incubation time, pH (3.5-7), temperature (20-45°C), nitrogen and carbon source, were optimized. The optimal incubation time, temperature and pH for pectinase … …OnLine Journal of Biological Sciences, Vol. 15, Issue 3 · 22 Jun 2015 · 7,812 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleEffect of Nitrogen Source and Carbon to Nitrogen Ratio on Hydrogen Production using C. acetobutylicumMohd Sahaid Kalil, Hisham Salem Alshiyab, Wan Mohtar Wan YusoffProblem statement: One of the main factors influenced the bacterial productivity and total yield of hydrogen is the nitrogen source and its concentration. Approach: Using different nitrogen source with different concentration on bacterial productivity of hydrogen showed to affect on both bacterial productivity of hydrogen and biomass concentration. Results: Yeast extract as nitrogen source at concentration of 13 g L-1 … …American Journal of Biochemistry and Biotechnology, Vol. 4, Issue 4 · 31 Dec 2009 · 7,837 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEvaluation of Nitrogen Non-Point Sources in Po River Near TurinGiuseppe Genon, Franco MarcheseThe non-point hydraulic and nitrogen loads in the stretch of Po river upstream and downstream from the city of Turin have been investigated, on the basis of regular data concerning quality and flow rates in the river in different periods of a reference year. The collected data have been organized in terms of hydraulic and mass balances, taking into account … …American Journal of Environmental Sciences, Vol. 3, Issue 3 · 30 Sep 2007 · 6,642 accessesView PDFCite
Research ArticleOpen accessIn the keywordsIdentifying Nutrient Contributors in North Carolina’s Coastal Plain Blackwater RiversNarayan B. Rajbhandari, Sushama Pradhan, Mauro Di Luzio et al.The goal of this study was to assess potential nitrogen and phosphorus contribution from point sources and non-point sources in North East Cape Fear River (NECFR) watershed in North Carolina. A watershed scale hydrologic model, Soil and Water Assessment Tool (SWAT), was used to quantify Total Nitrogen (TN) and Total Phosphorus (TP) loadings to North Carolina’s Coastal Plain Blackwater Rivers. … …American Journal of Environmental Sciences, Vol. 11, Issue 4 · 5 Nov 2015 · 7,389 accessesView PDFCite
Research ArticleOpen accessIn the keywordsEffect of Nitrogen on Growth and Lipid Content of Chlorella pyrenoidosaSubhasha Nigam, Monika Prakash Rai, Rupali SharmaProblem Statement: In today’s scenario, microalgae are widely recognized as a promising source for biofuel production as a renewable source of energy. They are exceedingly rich in oil, which can be converted to biofuel. This paper deals with one of the method to enhance the lipid content in microalgae. Approach: Microalga, Chlorella pyrenoidosa, was grown autotrophically in batch culture and … …American Journal of Biochemistry and Biotechnology, Vol. 7, Issue 3 · 22 Sep 2011 · 12,285 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffects of Wheat Bran, EM Bacteria, Ammonium Nitrate and Fungal Additives on Fermentation and Forage Quality of Rice Straw SilageBin Yang, Jiahuan Liu, Dongmei Ma et al.The global ruminant industry is constrained by a persistent shortage of high-quality roughage, thus rendering the bioconversion of agricultural residues, such as rice straw, a critical priority. Nevertheless, the high lignification, silicification, and nitrogen deficiency of rice straw pose significant biological barriers to traditional ensiling. This study investigated the impact of various additives on rice straw silage quality. Six treatments … …American Journal of Biochemistry and Biotechnology, Vol. 22, Issue 3 · 30 Sep 2026 · 642 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffects of Differently Processed Taro Mixed With Other Ingredients on Digestibility and Nitrogen Balance in Crossbred PigsPhiny Chiv, Saravuth Tum, Putheasath Sin et al.Leaves from forage crops and vegetables such as water spinach, sweetpotato, cassava, and especially taro, can be incorporated into pig diets aspartially replace commonly used protein sources including fish meal or/and soybeanmeal. However, their use remains limited among farmers and livestock producers.This study aimed to compare feed intake, determine apparent digestibilitycoefficients, and analyze nitrogen retention in pigs fed various forms … …American Journal of Animal and Veterinary Sciences, Vol. 21, Issue 2 · 7 Jul 2026 · 1,355 accessesView PDFCite
Research ArticleOpen accessIn the abstractOptimum Fertilization Technology to Improve Crop Productivity of Stevia (Stevia rebaudiana Bertoni)Mohammad Cholid, Sesanti Basuki, Budi Hariyono et al.Stevia leaves have the potential to be developed as a natural sweetener, a companion to cane sugar, especially for those who need low-calorie intake. Increasing the productivity of stevia plants is approached by increasing plant biomass accumulation through balanced nitrogen fertilization. This research aims to obtain optimal nitrogen fertilization in the cultivation of stevia plants in which the nitrogen derived … …OnLine Journal of Biological Sciences, Vol. 25, Issue 1 · 22 Nov 2024 · 5,111 accessesView PDFCite