Use of Plackett–Burman Statistical Design to Study Factors Acting on the Nitric Acid Leaching of Rare Earth Elements from Moroccan Phosphogypsum by Fatima Asafar, Marouane Amine, Abdelkader Outzourhit, Latifa Bilali, Mehdi Nadifiyine

“…This work is an attempt to understand and optimize the rare earth elements leaching from Moroccan phosphogypsum using a nitric acid solution. The Plackett–Burman statistical design was used to identify the statistically significant factors responsible for the optimum leaching conditions. …”
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Optimization of fermentation conditions to increase the production of antifungal metabolites from Streptomyces sp. KN37 by Xiaoyue Yang, Lijing Yuan, Muhammad Zeeshan, Chuntian Yang, Wen Gao, Guoqiang Zhang, Chunjuan Wang

“…Subsequently, optimization by the response surface methodology yielded the final fermentation conditions as: millet 20 g/L, yeast extract 1 g/L, K2HPO4 0.5 g/L, rotation speed 150 r/min, temperature 25 °C, initial pH 8, fermentation time 9 d, inoculation amount 4%, liquid volume 100 mL. …”
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Enhanced Production of Xylitol from Corncob by Pachysolen tannophilus Using Response Surface Methodology by S. Ramesh, R. Muthuvelayudham, R. Rajesh Kannan, T. Viruthagiri

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Improved Rifamycin B Production by Nocardia mediterranei MTCC 14 under Solid-State Fermentation through Process Optimization by Basavaraj M. Vastrad, Shivayogeshwar E. Neelagund, Sudhir R. Iiger, Ajeet M. Godbole, Venkatrao Kulkarni

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Optimization of Physiochemical Parameters during Bioremediation of Synthetic Dye by Marasmius cladophyllus UMAS MS8 Using Statistical Approach by Fatin Nur Sufinas Shuib, Ahmad Husaini, Azham Zulkharnain, Hairul Azman Roslan, Tay Meng Guan

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Optimization of Acid Protease Production by Aspergillus niger I1 on Shrimp Peptone Using Statistical Experimental Design by Rayda Siala, Fakher Frikha, Samiha Mhamdi, Moncef Nasri, Alya Sellami Kamoun

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Optimization and characterization studies of poultry waste valorization for peptone production using a newly Egyptian Bacillus subtilis strain by Hajar Saeed, Anthony Ragaey, Ziad Samy, Viola Ashraf, Aly ElMostafa, Norhan Ahmad, Enjy Bebawy, Nour ElHoda M. Sorour, Salwa M. El-Sayed, Ashraf Bakry, Naglaa Ebeed, Hesham Elhariry, Thanaa El-Noby, Samah H. Abu-Hussien

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