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William H. Suárez Quintana, Ramón O. García-Rico, Janet B. García-Martínez, Néstor A. Urbina-Suarez, Germán L. López-Barrera, Andrés F. Barajas-Solano and Antonio Zuorro
Two strains from high-altitude lakes showed an exciting capacity to produce carbohydrates, proteins, and lipids under an optimized C/N/P ratio.
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Friedrich Steffen, Tamas Kordsachia, Tobias Heizmann, Maximilian Paul Eckardt, Yue Chen and Bodo Saake
European paper mills are currently facing the question of whether recovered paper, their main raw material, will be available in sufficient quantities and an acceptable quality in the future. An alternative to recovered paper or wood fiber is the use of ...
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Sebastian Hagel and Fokko Schütt
Locally sourced agricultural residues are a promising feedstock for the production of reinforcement fibers for wastepaper-based packaging papers. An eco-friendly high yield process to generate fibers from wheat straw using high pressure steam and sodium ...
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Davi de Holanda Cavalcante, Suzete Roberta da Silva, Paloma Damasceno Pinheiro, Michael Masaki Freitas Akao, Marcelo Vinícius do Carmo e Sá
Pág. 177 - 183
The present work aimed at evaluating the effects of single or paired increase of water?s total alkalinity (TA) and total hardness (TH) on the performance of Nile tilapia juveniles? growth and culture water quality. Twenty five 25-L outdoor polyethylene a...
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Andriy Slyuzar,Yaroslav Kalymon,Zenoviy Znak,Andriy Helesh
Pág. 76 - 82
This paper reports a study into the influence of sodium carbonate concentration (10, 30, and 50 kg/m3) in the simultaneous presence of sodium thiosulfate (250 kg/m3) and quinhydrone (5 kg/m3) on the coefficient of the phase distribution of...
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Gerhard Eggert and Andrea Fischer
Many heritage objects consist of glass in contact with metals. By ion exchange with absorbed water, alkaline aqueous films are formed on the glass surface. They contain sodium and/or potassium, hydroxide, and carbonate (uptake of carbon dioxide) ions. Th...
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Victoria Martínez-Blay, María B. Pérez-Gago, Beatriz de la Fuente, Rosario Carbó and Lluís Palou
The in vitro antifungal activity of various generally recognized as safe (GRAS) salts against Colletotrichum gloeosporioides, the causal agent of citrus postharvest anthracnose, was evaluated as mycelial growth reduction on potato dextrose agar (PDA) dis...
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Osama M. Darwesh, Ibrahim A. Matter, Mohamed F. Eida, Hassan Moawad and You-Kwan Oh
In this study, silver nanoparticles (AgNPs) were green-synthesized extracellularly by the action of bioactive compounds in cultural filtrates of green microalga Scenedesmus obliquus (KY621475). The influences of six different nitrogen sources (i.e., NaNO...
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Daisuke Kozaki, Takashi Ozaki, Nobutake Nakatani, Masanobu Mori and Kazuhiko Tanaka
We evaluated the use of ion-exclusion chromatographic systems for analyzing the behavior of inorganic ions (e.g., bicarbonate, sulfate, chloride, nitrate, phosphate, dissolved silicate, sodium, ammonium, potassium, magnesium, and calcium ions) in a subur...
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Jéssica Bravin Carmello, Gisella Maria Zanin, José Eduardo Olivo
Pág. 413 - 416
The enzyme cyclomaltodextrin-glucanotransferase (CGTase) is a transglicosidase able to convert corn starch into cyclodextrin (CD). CDs are widely applied in industry given the ability to form inclusion complexes with a great variety of organic molecules....
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El Mustapha Azzirgue, El Khalil Cherif, Hamza El Azhari, Houria Dakak, Hasna Yachou, Ahmed Ghanimi, Nordine Nouayti, Joaquim Esteves da Silva and Farida Salmoun
The processed discharges from Tangier Automotive City?s (TAC) Chrafate Wastewater Treatment Plant (WWTP) contaminate the Jouamaa Hakama groundwater and the Ouljat Echatt river. We aimed to study the unknown interactions between surface water (SW) and gro...
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Ahmed Mohamed, Ahmed Asmoay, Saad S. Alarifi and Musaab A. A. Mohammed
Forty-eight water samples (30 groundwater and 18 surface water samples) were collected from the study region. Physical and chemical examinations were performed on the water samples to determine the values of various variables. Several graphs, sheets, and...
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Claudia Patricia Colmenero-Chacón, Heriberto Morales-deAvila, Mélida Gutiérrez, Maria Vicenta Esteller-Alberich and Maria Teresa Alarcón-Herrera
Groundwater salinization is a major threat to the water supply in coastal and arid areas, a threat that is expected to worsen by increased groundwater withdrawals and by global warming. Groundwater quality in Central Mexico may be at risk of salinization...
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Haya M. Alogayell, Eman Mohamed M. EL-Bana and Mohamed Abdelfattah
The present work focuses on a comprehensive hydrochemical assessment of groundwater within a shallow aquifer located in the central region of Saudi Arabia. This aquifer serves as the principal source of groundwater supply for agricultural irrigation purp...
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Sarra Bel Haj Salem, Aissam Gaagai, Imed Ben Slimene, Amor Ben Moussa, Kamel Zouari, Krishna Kumar Yadav, Mohamed Hamdy Eid, Mostafa R. Abukhadra, Ahmed M. El-Sherbeeny, Mohamed Gad, Mohamed Farouk, Osama Elsherbiny, Salah Elsayed, Stefano Bellucci and Hekmat Ibrahim
In the Zeroud basin, a diverse array of methodologies were employed to assess, simulate, and predict the quality of groundwater intended for irrigation. These methodologies included the irrigation water quality indices (IWQIs); intricate statistical anal...
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El-Sayed A. Badr, Rady T. Tawfik and Mortada S. Alomran
Irrigation water quality is important to sustain agricultural productivity. The primary irrigation water sources in Al-Ahsa Oasis, KSA, are groundwater wells, mixed with treated wastewater and agricultural drainage. This study sought to evaluate irrigati...
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Maged El Osta, Milad Masoud, Abdulaziz Alqarawy, Salah Elsayed and Mohamed Gad
Water shortage and quality are major issues in many places, particularly arid and semi-arid regions such as Makkah Al-Mukarramah province, Saudi Arabia. The current work was conducted to examine the geochemical mechanisms influencing the chemistry of gro...
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Hidayat Ullah, Iffat Naz, Aiyeshah Alhodaib, Muhammad Abdullah and Muhammad Muddassar
The physicochemical parameters and heavy metals concentration in the groundwater of the coastal region of Lasbela, Baluchistan were investigated. Cations and anions were determined through ion chromatography. The concentration levels of eight heavy metal...
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Vasiliki Kinigopoulou, Evangelos Hatzigiannakis, Athanasios Guitonas, Efstathios K. Oikonomou, Stefanos Stefanou and Dionisios Gasparatos
This study, based on circular economy principles and sustainable development practices, aims to present the results of soil samples analysis after their mixture with a biobed bio-mixture of straw, soil and compost, used for two consecutive years as organ...
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Tewodros R. Godebo, Marc A. Jeuland, Christopher J. Paul, Dagnachew L. Belachew and Peter G. McCornick
This work aims to assess water quality for irrigated agriculture, alongside perceptions and adaptations of farmers to climate change in the Main Ethiopian Rift (MER). Climate change is expected to cause a rise in temperature and variability in rainfall i...
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