Article
Pharmacology & Pharmacy
Silke Matysik, Sabrina Krautbauer, Gerhard Liebisch, Hans-Frieder Schott, Louise Kjolbaek, Arne Astrup, Francois Blachier, Martin Beaumont, Max Nieuwdorp, Annick Hartstra, Simone Rampelli, Uberto Pagotto, Patricia Iozzo
Summary: This study quantified the concentrations of faecal sterol species, bile acids, and short-chain fatty acids in 165 study participants. Participants were classified as low or high converters based on their coprostanol/cholesterol ratio, with low converters excreting more straight-chain fatty acids and bile acids. Concentration ranges of 16 faecal metabolites were provided as reference values, showing significant differences in faecal metabolites between high and low sterol converter groups.
BRITISH JOURNAL OF PHARMACOLOGY
(2021)
Article
Multidisciplinary Sciences
Sharni Collins, Luca Maestrini, Francis K. C. Hui, Barbara Stuart, Maiken Ueland
Summary: Human remains often contain textile materials, making them a common source of evidence. The discovery of human remains in outdoor environments increases exposure to scavenging activity and decomposition. Traditional methods for estimating postmortem interval (PMI) can be challenging, but recent research has found success in using lipid analysis to detect and monitor changes over time. This study utilized generalized linear mixed models (GLMMs) to analyze 30 lipid outcomes in combination with accumulated-degree-days (ADD), and the results indicated oleic and palmitic acids as suitable biomarkers for future use in determining PMI. The study also addressed interspecies differences between humans and pigs.
Review
Food Science & Technology
Lethiwe Lynett Mbuyane, Florian Franz Bauer, Benoit Divol
Summary: This review article provides an extensive evaluation of the biosynthesis, accumulation, metabolism and regulation of fatty acids and sterols in yeasts, discussing the implications of yeast lipid content on stress resistance and performance during alcoholic fermentation, with a particular emphasis on non-Saccharomyces yeasts.
FOOD RESEARCH INTERNATIONAL
(2021)
Review
Nutrition & Dietetics
Bianca Papotti, Joan Carles Escola-Gil, Josep Julve, Francesco Poti, Ilaria Zanotti
Summary: Reverse cholesterol transport is a physiological mechanism that protects cells from excessive cholesterol accumulation, while dietary lipids may have detrimental effects on cardiovascular health. This review summarizes the mechanisms of action of different types of dietary lipids on various steps of RCT and provides a critical analysis of data from experimental models to clarify their effects on cardiovascular disease.
Article
Food Science & Technology
Natka Curko, Katarina Lukic, Ana Jurinjak Tusek, Sandra Balbino, Tomislava Vukus Pavicic, Marina Tomasevic, Ivana Radojcic Redonikovic, Karin Kovac Ganic
Summary: The aim of this study was to increase the value of the oil fraction of grape wine pomace by improving oil yield and maintaining quality. Two green extraction methods, including supercritical CO2 extraction and pulsed electric fields assisted supercritical CO2 extraction, were compared with conventional cold pressing. The parameters of pulsed electric fields pretreatment and supercritical CO2 extraction played a crucial role in improving extraction yield and selectively extracting sterols and nonflavonoids.
LWT-FOOD SCIENCE AND TECHNOLOGY
(2023)
Article
Food Science & Technology
Hilary S. Green, Selina C. Wang
Summary: This study compares a comprehensive set of authentic avocado oil samples with proposed CODEX standards and finds that region and harvest time have the greatest impact on the distribution of fatty acids and sterols. Although current standards are heading the right direction, further research and adjustment are needed for certain parameters. Additionally, there is a significant difference in tocopherol content between whole fruit oils and mesocarp oils, which is an important finding for avocado oil standard development.
Review
Biology
Laura Christin Trautenberg, Marko Brankatschk, Andrej Shevchenko, Stuart Wigby, Klaus Reinhardt
Summary: Dietary lipids can have long-term effects on cellular and organismal function, influencing health, survival, and reproductive fitness. The field of Ecological Lipidology combines biochemistry, molecular cell biology, evolution, and nutritional ecology to understand the impact of environmental factors on lipidomes, the specific functions of lipids in cells, and the evolution of lipid-based diet choices. This interdisciplinary approach has implications for food web dynamics, species responses to environmental change, sex differences and lifestyle impacts on human nutrition, and potential therapeutic applications of dietary lipids.
Article
Plant Sciences
Mario J. Rosado, Gisela Marques, Jorge Rencoret, Ana Gutierrez, Jose C. del Rio
Summary: This study thoroughly characterized the chemical composition of lipophilic compounds in rice straw, including fatty acids, sterols, and triglycerides. This information is of significant value for the utilization and industrial applications of rice straw.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Amr Adel, Mohamed S. Elnaggar, Amgad Albohy, Ahmed A. Elrashedy, Ahmed Mostafa, Omnia Kutkat, Usama Ramadan Abdelmohsen, Eman Al-Sayed, Mohamed A. Rabeh
Summary: This study evaluated the anti-SARS-CoV-2 activity of extracts from Carica papaya leaves cultivated in Egypt and found that the n-hexane fraction exhibited high antiviral activity. Analysis of the crude extract revealed the presence of various compounds known to possess antiviral activity against different classes of viruses. Computational simulations also showed promising interactions between the annotated compounds and SARS-CoV-2 target proteins.
Review
Pharmacology & Pharmacy
Maryam Abidizadegan, Elina Peltomaa, Jaanika Blomster
Summary: Cryptophytes, a major group of microalgae, have garnered scientific attention for their rich bioactive compounds which can be utilized in various industries such as food, medicine, cosmetics, and pharmaceuticals.
FRONTIERS IN PHARMACOLOGY
(2021)
Article
Food Science & Technology
Anna Grygier, Suryakant Chakradhari, Katarzyna Ratusz, Magdalena Rudzinska, Khageshwar Singh Patel, Danija Lazdina, Dalija Seglina, Pawel Gornas
Summary: The lipophilic fraction profile of several tree legume species' mature seeds was investigated, revealing their rich content of oil and bioactive compounds, making them potential sources of high nutritional value oils.
EUROPEAN FOOD RESEARCH AND TECHNOLOGY
(2023)
Article
Agronomy
Blanca Sastre, Amadeu Arbones, M. Angeles Perez-Jimenez, Miquel Pascual, Alejandro Benito, Cristina de Lorenzo, Josep M. Villar, Luis J. Bonet, Sergio Paz, Angel Santos, Juan Francisco Hermoso, Agusti Romero, Camilla Farolfi, Josep Rufat
Summary: Regulated deficit irrigation in super-high-density olive orchards can save more than 20% of water without reducing fruit or oil yield. It can modify sterols and fatty acid composition of extra virgin olive oils, but has no effect on phenolic compounds, quality parameters, or sensory profile. Latitude, altitude, and yearly rainfall have significant impacts on certain compounds such as campesterol, oleuropein, or margaroleic or linolenic acids.
Article
Ecology
Thomas Ruiz, Apostolos-Manuel Koussoroplis, Michael Danger, Jean-Pierre Aguer, Nicole Morel-Desrosiers, Alexandre Bec
Summary: This study investigated the relationship between consumer metabolism and the effects of food chemical composition on biomass production. It was found that different dietary limitations can lead to an increase in resting metabolic rate, and there is a strong negative correlation between RMR and growth rate.
Article
Cell Biology
Sylvain Kumanski, Romain Forey, Chantal Cazevieille, Maria Moriel-Carretero
Summary: The nuclear membrane plays an important role in confining and protecting the genome, and disruptions in its structure can compromise genetic material. This study investigates the formation of nuclear lipid droplets (nLD) and their potential impact on genome dynamics. The results suggest that genotoxins that cause replication stress can trigger nLD formation, and the lipid context of the nuclear membrane is crucial in this process. Furthermore, a transcriptional feedback process is identified that counteracts the membrane's tendency to emit nLD. These findings highlight the importance of nLD in the response to replication stress.
Article
Chemistry, Applied
Kirty Pant, Mamta Thakur, Harish Kumar Chopra, Basharat Nabi Dar, Vikas Nanda
Summary: This study investigated the nutritional composition and thermal analysis of propolis samples collected from different geographical locations in Northern India. The analysis revealed the presence of essential fatty acids and amino acids, as well as abundant calcium, potassium, iron, and magnesium in the samples. The thermal analysis showed melting and vaporization of specific compounds in propolis. Principal component analysis and hierarchical cluster analysis successfully categorized the samples based on geographical locations.
JOURNAL OF FOOD COMPOSITION AND ANALYSIS
(2022)
Article
Energy & Fuels
Dayana A. Rodrigues, Antonio J. Demuner, Luiz C. A. Barbosa, Gustavo A. M. Pereira, Jose D. Fabris, Felix G. de Siqueira, Marcio T. Pereira, Abelardo Silva Junior, Otavio V. Carvalho
Summary: Both pressing and solvent extraction of Jatropha curcas seed oil produce a large amount of cake byproduct, which contains the highly toxic phorbol esters (PEs) that threaten mammal health. Various treatments, including ammonium hydroxide, urea, heat, ultraviolet radiation, and gamma radiation, were tested for their effectiveness in degrading PEs. It was found that an aqueous ammonium hydroxide solution at 70 degrees C and 3% w/w reduced the PEs content in the cake and bran to as low as 0.084 mg g(-1). The treatment with an aqueous solution NH4OH 7% w/w with heating at 90 degrees C was the most effective, reducing PEs content to 0.063 mg g(-1) (cake) and 0.066 mg g(-1) (bran), below the critical toxicity threshold of 0.1 mg g(-1). Cytotoxicity tests and nutritional assessments confirmed the safety of the treated samples, suggesting that this affordable technology could be scalable for livestock feeding at the industrial level.
BIOMASS CONVERSION AND BIOREFINERY
(2023)
Article
Engineering, Chemical
Thaise C. Geremias, Marcos A. Batistella, Ricardo R. S. Magini, Selene M. A. Guelli U. de Souza, Cesar V. Franco, Luiz C. A. Barbosa, Ulisses A. Pereira, Juan P. Hinestroza, Andrea L. Pimenta, Antonio A. Ulson de Souza
Summary: The study aimed to investigate the efficacy of functionalized PLGA electrospun membranes in preventing Streptococcus mutans biofilm formation. Additives such as Melaleuca alternifolia essential oil, furan-2(5H)-one, and a synthetic butyrolactam were used for functionalization, with Melaleuca alternifolia essential oil showing the best results in reducing bacterial attachment. Cytotoxicity tests revealed that furan-2(5H)-one-functionalized membranes had comparable cell viability to control membranes.
CANADIAN JOURNAL OF CHEMICAL ENGINEERING
(2022)
Article
Food Science & Technology
Silas de Souza Santos, Lucas Victor Pereira de Freitas, Lazaro Chaves Sicupira, Flaviano Oliveira Silverio
Summary: By using a novel sample preparation method and GC-MS analysis, this study successfully determined the levels of Aldrin and Mirex in honey samples. The proposed method showed high recovery rates, accuracy, and precision meeting the standard requirements. Residue of Aldrin was detected in samples collected from areas influenced by agricultural activities.
FOOD ANALYTICAL METHODS
(2022)
Article
Biochemistry & Molecular Biology
Junio G. Silva, Amanda S. de Miranda, Fyaz M. D. Ismail, Luiz C. A. Barbosa
Summary: Butenolides and tetronic acids are widely distributed in nature, making them important in synthetic chemistry. In contrast, tetronamides are relatively rare and their synthetic routes are poorly explored. This review emphasizes the importance of tetronamides in medicinal chemistry and provides an overview of the most relevant synthetic strategies for obtaining these compounds.
BIOORGANIC & MEDICINAL CHEMISTRY
(2022)
Article
Environmental Sciences
Luis H. S. Vieira, Lazaro C. Sicupira, Ane P. Cacique, Flaviano O. Silverio
Summary: This study developed a method for the extraction and analysis of florpyrauxifen-benzyl in water samples. The method utilized liquid-liquid extraction with low temperature purification, coupled with high performance liquid chromatography with diode array detection. The method was selective, precise, and had a wide linear range, making it suitable for quantitative analysis of florpyrauxifen-benzyl in environmental monitoring.
JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART B-PESTICIDES FOOD CONTAMINANTS AND AGRICULTURAL WASTES
(2022)
Article
Biochemistry & Molecular Biology
Gottimukkala Rambabu, Yarragudi Bathal Reddy Kiran, Yadamari Tarakeswar, Shaik Ibrahim Khalivulla, Luiz Claudio Almeida Barbosa, Vijayaparthasarathi Vijayakumar
Summary: An efficient and reusable green catalyst has been developed for the synthesis of beta-anninocarbonyl compounds. Molecular docking investigations showed strong interactions between the compounds and specific proteins. The compounds exhibited significant antibacterial and antioxidant activities, indicating their potential as new drugs.
CHEMISTRY & BIODIVERSITY
(2022)
Article
Biochemistry & Molecular Biology
Junio G. Silva, Tatiane F. Borgati, Samuel M. G. Lopes, Niels Heise, Sophie Hoenke, Rene Csuk, Luiz C. A. Barbosa
Summary: A series of amides derived from (3aR)-(+)-sclareolide were synthesized and evaluated as inhibitors for AChE or BuChE. Five amides showed strong inhibition towards BuChE, outperforming the positive control galantamine, and exhibited favorable properties for drug development, including permeability across the blood brain barrier and adherence to Lipinski rules.
BIOORGANIC CHEMISTRY
(2023)
Article
Entomology
Paula Tatiana Lopes Seixas, Antonio Jacinto Demuner, Luiz Claudio Almeida Barbosa, Cristiane Isaac Cerceau, Daiane Einhardt Blank, Marcelo Henrique Dos Santos, Elizeu de Sa Farias, Marcelo Coutinho Picanco
Summary: The larvicidal effect of essential oils from the leaves of three Artemisia species against A. aegypti was evaluated. The EO of Artemisia camphorata was found to be the most effective, with germacrene D-4-ol as the main active constituent. It can be promising for developing natural larvicides against A. aegypti.
JOURNAL OF APPLIED ENTOMOLOGY
(2023)
Article
Chemistry, Multidisciplinary
Junai C. S. Lopes, Lazaro C. Sicupira, Flaviano O. Silverio
Summary: Florpyrauxifen-benzyl is a new active ingredient authorized by Brazilian legislation for weed control in rice cultivation. This study optimized and validated a solid-liquid extraction with low temperature purification (SLE-LTP) method coupled with HPLC-DAD for determining the presence of Florpyrauxifen-benzyl in soil. The method was found to be precise, accurate, and selective, with a limit of quantification of 20 μg kg(-1). The stability study showed that Florpyrauxifen-benzyl has a half-life of approximately 17.5 days in soil.
JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY
(2023)
Article
Environmental Sciences
Sandro B. Soares, Lazaro C. Sicupira, Gevany P. Pinho, Flaviano O. Silverio
Summary: This study aimed to optimize and validate liquid-liquid extraction with low temperature purification (LLE-LTP) for the determination of dinotefuran residues in water. The results demonstrated that LLE-LTP coupled with HPLC-DAD was a selective, precise, and accurate method for analyzing dinotefuran in water samples. The method showed good linearity, with a range from 10.0 to 210 μg/L, and had low limits of detection and quantification of 5.00 and 10.00 μg/L, respectively. Additionally, dinotefuran was found to be stable in water for a significant period of time in the absence of light (>130 days), but had a shorter half-life of 7 days in water with sunlight.
JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART B-PESTICIDES FOOD CONTAMINANTS AND AGRICULTURAL WASTES
(2023)
Article
Chemistry, Multidisciplinary
Sweta Roy, Jaime A. M. Acosta, Milandip Karak, Isabela Ramirez-Velez, Kohei Torikai, Dacheng Ren, Luiz C. A. Barbosa
Summary: The study found that certain synthesized tetronamides and denigrin compounds have significant inhibitory effects on biofilm formation of Escherichia coli, with the p-methoxybenzylidene and p-methoxyphenethyl moieties of denigrins playing important roles. Specifically, tetramethyldenigrin B exhibited strong inhibitory activity against biofilm formation and quorum sensing, making it a promising lead structure for designing better control agents.
Article
Food Science & Technology
Giovana Ribeiro Ferreira, Paulo Henrique Fidencio, Ariane Castricini, Raissa Queiroz Andrade, Flaviano Oliveira Silverio
Summary: This study analyzed the volatile organic compounds from Spondias tuberosa fruits using HS-SPME and GC-MS. The main compounds identified were esters and terpenes, which formed distinct groups. PCA and HCA analyses were used to distinguish and group these compounds.
FOOD SCIENCE AND TECHNOLOGY
(2022)
Article
Horticulture
Giovana Ribeiro Ferreira, Raissa Queiroz Andrade, Ariane Castricini, Flaviano Oliveira Silverio
Summary: This study identified and extracted the volatile compounds in umbu fruit pulp using solid-phase microextraction in headspace mode. The results provide insights into the aroma and nutritional properties of this fruit.
REVISTA BRASILEIRA DE FRUTICULTURA
(2022)
Article
Chemistry, Analytical
Lucas Victor Pereira de Freitas, Gleysson de Paula Terra, Silas de Souza Santos, Lazaro Chaves Sicupira, Flaviano Oliveira Silverio
Summary: This study optimized and validated a liquid-liquid extraction method with low-temperature purification (LLE-LTP) coupled with high-performance liquid chromatography with diode array detection (HPLC-DAD) for determining fluopyram fungicide in water samples. The validation showed that this method is selective, precise, and accurate, and is capable of trace level determination of this fungicide. Fluopyram residue was not detected in 20 environmental water samples.
ANALYTICAL METHODS
(2022)
Article
Food Science & Technology
Giovana Ribeiro Ferreira, Paulo Henrique Fidencio, Ariane Castricini, Raisa Queiroz Andrade, Flaviano Oliveira Silverio
Summary: The study investigated the chemical composition of volatile compounds in Spondias tuberosa fruits at four days of maturity, revealing an increase in esters content and a decrease in aldehyde and terpene content during post-harvest ripening. Specific compounds such as ethyl butanoate and hex-2-enal were identified as markers for fruit maturity, showing differentiation in fruit ripening stages through principal components analysis.
FOOD SCIENCE AND TECHNOLOGY
(2022)
Article
Agricultural Engineering
Yinping Xiang, Meiying Jia, Rui Xu, Jialu Xu, Lele He, Haihao Peng, Weimin Sun, Dongbo Wang, Weiping Xiong, Zhaohui Yang
Summary: This study investigated the impact of the non-antibiotic pharmaceutical carbamazepine on antibiotic resistance genes (ARGs) during anaerobic digestion. The results showed that carbamazepine induced the enrichment of ARGs and increased the abundance of bacteria carrying these genes. It also facilitated microbial aggregation and intercellular communication, leading to an increased frequency of ARGs transmission. Moreover, carbamazepine promoted the acquisition of ARGs by pathogens and elevated their overall abundance.
BIORESOURCE TECHNOLOGY
(2024)
Review
Agricultural Engineering
Weixin Zhao, Tianyi Hu, Hao Ma, Dan Li, Qingliang Zhao, Junqiu Jiang, Liangliang Wei
Summary: This review summarizes the effects and potential mechanisms of biochar on microbial behavior in AD systems. The addition of biochar has been found to promote microbial colonization, alleviate stress, provide nutrients, and enhance enzyme activity. Future research directions include targeted design of biochar, in-depth study of microbial mechanisms, and improved models.
BIORESOURCE TECHNOLOGY
(2024)
Review
Agricultural Engineering
Christina Karmann, Anna Magrova, Pavel Jenicek, Jan Bartacek, Vojtech Kouba
Summary: This review assesses nitrogen removal technologies in reject water treatment, highlighting the differences in environmental impacts and economic benefits. Partial nitritation-anammox shows potential for economic benefits and positive environmental outcomes when operated and controlled properly.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Wei-Hao Huang, Ying-Ju Chang, Duu-Jong Lee
Summary: This study modified pinecone biochar with layered double hydroxide (LDH) to enhance its adsorption capacity for heavy metal and phosphate ions. The LDH-biochar showed significantly improved adsorption capacities for Pb2+ and phosphate, and a slight increase for Cu2+ and Co2+. The LDH layer enhanced the adsorption through various mechanisms.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Chao Song, Fanfan Cai, Shuang Yang, Ligong Wang, Guangqing Liu, Chang Chen
Summary: This paper developed a machine learning model to predict the biochemical methane potential during anaerobic digestion. Model analysis identified lignin content, organic loading, and nitrogen content as key attributes for methane production prediction. For feedstocks with high cellulose content, early methane production is lower but can be improved by prolonging digestion time. Moreover, lignin content exceeding a certain value significantly inhibits methane production.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Sang Min Lee, Ju Young Lee, Ji-Sook Hahn, Seung-Ho Baek
Summary: This study successfully developed an efficient platform strain using Yarrowia lipolytica for the bioconversion of renewable resources into adipic acid, achieving a remarkable increase in production level.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Sefkan Kendir, Matthias Franzreb
Summary: This study presents a novel approach using magnetic separation to efficiently harvest freshwater microalgae, Chlorella vulgaris. By combining pH-induced calcium phosphate precipitation with cheap natural magnetite microparticles, harvesting efficiencies up to 98% were achieved in the model medium.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Ishaq Kariim, Ji-Yeon Park, Wajahat Waheed Kazmi, Hulda Swai, In-Gu Lee, Thomas Kivevele
Summary: The impact of reaction temperature, residence time, and ethanol: acetone on the energy compositions and yield enhancement of biocrudes was investigated. The results showed that under appropriate conditions, biocrudes with high energy and low oxygen content can be obtained, indicating a high potential for utilization.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Xiyue Zhang, Xiyao Li, Liang Zhang, Yongzhen Peng
Summary: Intermittent aeration is an innovative approach to enhance nitrogen removal in low carbon-to-nitrogen ratio municipal sewage, providing an efficient strategy for the continuous plug-flow AOA process.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Xu Yang, Mahmoud Mazarji, Mengtong Li, Aohua Li, Ronghua Li, Zengqiang Zhang, Junting Pan
Summary: This study investigated the impact of magnetite on the nitrogen cycle of pig manure biostabilisation. The addition of magnetite increased N2O emissions and decreased NH3 emissions during composting. It also increased the total nitrogen content but should be considered for its significant increase in N2O emissions in engineering practice.
BIORESOURCE TECHNOLOGY
(2024)
Review
Agricultural Engineering
Ty Shitanaka, Haylee Fujioka, Muzammil Khan, Manpreet Kaur, Zhi-Yan Du, Samir Kumar Khanal
Summary: The market value of microalgae has exponentially increased in the past two decades, thanks to their applications in various industries. However, the supply of high-value microalgal bioproducts is limited due to several factors, and strategies are being explored to overcome these limitations and improve microalgae production, thus increasing the availability of algal-derived bioproducts in the market.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Martin Kerner, Thorsten Wolff, Torsten Brinkmann
Summary: The efficiency of using enriched CO2 from flue gas for large-scale production of green microalgae has been studied. The results show that the use of membrane devices and static mixers can effectively improve the CO2 recovery rate and maintain the suitable pH and temperature during cultivation, achieving a more economical and sustainable microalgae production.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Rui Ma, Ji Li, Rd Tyagi, Xiaolei Zhang
Summary: This review summarizes the microorganisms capable of using CO2 and CH4 to produce PHAs, illustrating the production process, factors influencing it, and discussing optimization techniques. It identifies the challenges and future prospects for developing economically viable PHAs production using GHGs as a carbon source.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Bing Wang, Peng Zhang, Xu Guo, Xu Bao, Junjie Tian, Guomin Li, Jian Zhang
Summary: The addition of zeolite in the co-composting of chicken manure and straw significantly reduced the emissions of ammonia and N2O, and increased the nitrate content. Zeolite also promoted the abundance of nitrification genes and inhibited the expression of denitrification genes.
BIORESOURCE TECHNOLOGY
(2024)
Article
Agricultural Engineering
Rohit Dey, Franziska Ortiz Tena, Song Wang, Josef Martin Messmann, Christian Steinweg, Claudia Thomsen, Clemens Posten, Stefan Leu, Matthias S. Ullrich, Laurenz Thomsen
Summary: This study investigated the operation of a 1000L microalgae-based membrane photobioreactor system for continuous secondary wastewater treatment. The research focused on a green microalgae strain called Desmodesmus sp. The study aimed to understand key trends and optimization strategies by conducting experiments in both summer and winter seasons. The findings showed that maintaining low cell concentrations during periods of light inhibition was beneficial for nutrient uptake rates. Effective strategies for enhancing algae-based wastewater treatment included cell mass recycling and adjusting dilution rates based on light availability.
BIORESOURCE TECHNOLOGY
(2024)