Article
Microbiology
Olga Matatkova, Jana Michailidu, Richard Jezdik, Irena Jarosova Kolouchova, Tomas Rezanka, Vladimir Jirku, Jan Masak
Summary: Study on the optimization of rhamnolipid production by Pseudomonas aeruginosa DBM 3774 using different carbon sources and cultivation strategies showed that the carbon source type, concentration, and C/N ratio had a significant effect on the composition of rhamnolipid congeners.
Article
Engineering, Environmental
Wenjie Xia, Lihua Tong, Tianzhi Jin, Cuxiao Hu, Lu Zhang, Lei Shi, Jiaqiang Zhang, Weichu Yu, Fuyi Wang, Ting Ma
Summary: The study introduced a microbial strategy using Pseudomonas strain for heavy oil recovery without thermal energy input. Results showed that degradation of heavy oil under CO2 condition performed better than that under N2 condition. This green strategy was proven to be promising and economical for ultra-heavy reservoir oil recovery accessible to CO2.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Applied
Maryam Helmi, Kambiz Tahvildari, Alireza Hemmati, Parviz Aberoomand Azar, Aliakbar Safekordi
Summary: This study successfully utilized phosphomolybdic acid supported on Clinoptilolite as a green acid catalyst for converting waste cooking oil into biodiesel. Optimization using response surface methodology led to a maximum yield of 96%, and the biodiesel production was confirmed to meet ASTM standards through FTIR and H-NMR analyses. The reuse of the catalyst for multiple cycles further demonstrated the feasibility and efficiency of the biodiesel production process.
FUEL PROCESSING TECHNOLOGY
(2022)
Article
Agricultural Engineering
Mingyang Zan, Xue Wang, Aibibai Amuti, Zhanzhong Wang, Leping Dang
Summary: The study optimized the saponification reaction of PSO using Box-Behnken design and response surface methodology, achieving the highest yield and determining the kinetic parameters of the reaction. This work provides valuable insights for industrial production of PSO fatty acid products.
INDUSTRIAL CROPS AND PRODUCTS
(2021)
Article
Materials Science, Ceramics
Basir Maleki, Hossein Esmaeili
Summary: Fe3O4/SiO2@ZnO nanocomposite was synthesized as a heterogenous catalyst for biodiesel generation from waste cooking oil. The nanocomposite exhibited a specific surface area of 32.56 m(2) g(-1), mean particle size of 10.46 nm, and pore volume of 0.15 cm(3) g-1. The distribution of Si and Zn elements in the lattice of Fe3O4 nanoparticles was successfully achieved. The nanocatalyst showed a maximum biodiesel yield of 97.23% under optimal conditions and could be efficiently reused for seven cycles with a yield of 88.36%. The Fe3O4/SiO2@ZnO nanocatalyst is a promising catalyst for biodiesel generation from waste cooking oil.
CERAMICS INTERNATIONAL
(2023)
Article
Biotechnology & Applied Microbiology
Swati Sharma, Rahul Verma, Sahil Dhull, Soumen K. Maiti, Lalit M. Pandey
Summary: The research focuses on producing biosurfactants using waste cooking oil as the sole carbon source through P. aeruginosa in batch and fed-batch bioreactor systems. By opting for a fed-batch oil feeding strategy, the biosurfactant production could be significantly enhanced, showing good emulsification stability and antibacterial activity.
BIOPROCESS AND BIOSYSTEMS ENGINEERING
(2022)
Article
Microbiology
Gareth E. Thomas, Jan L. Brant, Pablo Campo, Dave R. Clark, Frederic Coulon, Benjamin H. Gregson, Terry J. McGenity, Boyd A. McKew
Summary: This study found that dispersants and biosurfactants can significantly reduce the interfacial surface tension between water and oil within 24 hours, promoting an increase in the abundance of hydrocarbon-degrading bacteria and the rate of hydrocarbon biodegradation. Some dispersants or biosurfactants can selectively enhance specific bacterial genera, particularly rhamnolipid which shows compatibility with the Pseudomonas genus.
Article
Energy & Fuels
Maryam Helmi, Kambiz Tahvildari, Alireza Hemmati, Parviz Aberoomand Azar, Aliakbar Safekordi
Summary: In this study, biodiesel was successfully prepared using a novel catalyst of phosphomolybdic acid/support graphene oxide. The production of biodiesel from waste cooking oil was achieved by the electrolysis method, and the trans-esterification reaction process was optimized using response surface methodology.
Article
Multidisciplinary Sciences
Mebrhit Gebreyohanes Weldeslase, Natei Ermias Benti, Mekonnen Abebayehu Desta, Yedilfana Setarge Mekonnen
Summary: This study aims to maximize biodiesel production from cheap and readily available waste cooking oil and lime-based Zinc-doped calcium oxide catalyst. The optimal experimental parameters led to a biodiesel conversion rate of 96.5%, meeting the fuel standards. The study suggests the potential use of waste cooking oil and lime-based catalyst for large-scale biodiesel production.
SCIENTIFIC REPORTS
(2023)
Article
Biochemistry & Molecular Biology
Wala Aloulou, Hajer Aloulou, Afef Attia, Sudip Chakraborty, Raja Ben Amar
Summary: This study investigated the optimized ultrafiltration conditions for the treatment of tuna cooking juice using a ceramic multi tubular titania membrane. The interactive effects of volume concentrating factor, feed temperature, and applied transmembrane pressure on protein removal and permeate flux were determined. Statistical analysis and mathematical modeling were used to determine the best operating conditions. The study also examined the fouling mechanism and membrane regeneration efficiency.
Article
Green & Sustainable Science & Technology
Juan Shi, Yichao Chen, Xiaofeng Liu, Dong Li
Summary: This study isolated a novel halotolerant Pseudomonas aeruginosa M4, which can degrade oil and produce rhamnolipids. By optimizing conditions, the highest oil degradation rate and lipase activity were achieved, and the mechanism of oil degradation and bio-surfactant production process were explored.
JOURNAL OF CLEANER PRODUCTION
(2021)
Article
Chemistry, Applied
Maria Belen Medina, Silvia Liliana Resnik, Martin Sebastian Munitz
Summary: By pre-soaking rice before cooking, pesticides residues can be reduced to ensure food safety.
Article
Food Science & Technology
Genghan Yang, Yang Tao, Peng Wang, Xinglian Xu, Xiaoyu Zhu
Summary: The process parameters for chicken 3D printing were optimized to achieve the best forming accuracy, resulting in shear-thinning behavior and sufficient gel strength in the treated chicken paste. The cooked 3D-printed products showed similar texture characteristics with mold-shaped products but exhibited more severe cooking loss. The analysis indicated that the tight and uniform gel network structure formed after cooking due to the shear effect of 3D printing.
LWT-FOOD SCIENCE AND TECHNOLOGY
(2022)
Article
Chemistry, Applied
Zulfiqar Ali Raza, Muhammad Rizwan Tariq
Summary: This study investigated the effects of three different nitrogen sources on the production of polyhydroxyalkanoates (PHAs) and rhamnolipids under salinity stress conditions. It was found that using carbamide as the sole nitrogen source and wasted soybean oil as the sole carbon source resulted in the highest yields of PHAs (2.20 g L-1) and rhamnolipids (1.02 g L-1). Under salinity stress, the yields of both PHAs and rhamnolipids increased up to 8%. Advanced analytical techniques were used to characterize the products, identifying the PHA as poly(hydroxybutyrate) and confirming the chemical structure of rhamnolipids with this strain.
TENSIDE SURFACTANTS DETERGENTS
(2023)
Article
Food Science & Technology
Zhenhua Wang, Shuzhen Li, Min Zhang, Huanyue Yang, Gang Li, Xin Ren, Shan Liang
Summary: This study aimed to improve the extraction ratio of rice bran oil by determining a new mixed solvent and optimizing the extraction conditions. Compared with traditional solvent extraction, the rice bran oil extracted using the new mixed solvent had better quality.
Article
Agronomy
Nadia de la Portilla, Rocio Vaca, Martha E. Mora-Herrera, Liliana Salinas, Pedro del Aguila, Gustavo Yanez-Ocampo, Jorge Lugo
Article
Microbiology
Erick Williams Mendez-Santiago, Olga Gomez-Rodriguez, Ricardo Sanchez-Cruz, Jorge Luis Folch-Mallol, Victor M. Hernandez-Velazquez, Edgar Villar-Luna, Liliana Aguilar-Marcelino, Arnoldo Wong-Villarreal
Summary: The isolated strain of Mimosa pudica nodules exhibited high nematicidal activity against Nacobbus aberrans andHaemonchus contortus, as well as strong antifungal capabilities against various phytopathogenic fungi. Additionally, the strain showed plant growth promoter characteristics, making it a potential candidate for biocontrol of fungi and nematodes.
ARCHIVES OF MICROBIOLOGY
(2021)
Article
Microbiology
Gustavo Yanez-Ocampo, Martha E. Mora-Herrera, Arnoldo Wong-Villarreal, Denisse M. De La Paz-Osorio, Nadia De La Portilla-Lopez, Jorge Lugo, Rocio Vaca-Paulin, Pedro Del Aguila
POLISH JOURNAL OF MICROBIOLOGY
(2020)
Article
Agriculture, Dairy & Animal Science
M. D. Mariezcurrena-Berasain, M. A. Mariezcurrena-Berasain, J. Lugo, Y. Libien-Jimenez, D. L. Pinzon-Martinez, A. Z. M. Salem, M. Garcia-Fabila
Summary: This study aimed to evaluate the effects of organic selenium-enriched Saccharomyces cerevisiae on fatty acid composition and physicochemical meat characteristics in finishing lambs. The results indicated that the addition of selenium-yeast did not alter the fatty acid composition, but it led to a decrease in fat content and an increase in carbohydrate content.
TROPICAL ANIMAL HEALTH AND PRODUCTION
(2022)
Article
Plant Sciences
Arnoldo Wong-Villarreal, Erick Williams Mendez-Santiago, Olga Gomez-Rodriguez, Liliana Aguilar-Marcelino, Daniel Cerqueda Garcia, Jose Q. Garcia-Maldonado, Victor M. Hernandez-Velazquez, Gustavo Yanez-Ocampo, Saul Espinosa-Zaragoza, Sandra I. Ramirez-Gonzalez, Diana Sanzon-Gomez
Summary: The endophytic strain of Serratia sp. showed nematicidal activity in chili plants, significantly reducing nematode penetration and reproduction. The genome analysis revealed genes related to biocontrol of nematodes. This is the first report of Serratia ureilytica with nematicidal activity, suggesting its potential as an alternative biocontrol agent for Nacobbus aberrans in chili cultivation.
Article
Agronomy
Liliana Salinas-Alcantara, Rocio Vaca, Pedro del Aguila, Nadia de la Portilla-Lopez, Gustavo Yanez-Ocampo, Laura A. Sanchez-Paz, Jorge A. Lugo
Summary: Agriculture is constantly changing, and the effects of new practices and technologies on agriculture and soil CO2 emissions are difficult to predict. This study aimed to measure the effects of different tillage systems and fertilization methods on soil CO2 emissions under maize cultivation. The results showed that the soil CO2 emission rates were higher during the maize growing season compared to other seasons.
Article
Microbiology
Ma. Esther Sanchez-Gonzalez, Martha E. Mora-Herrera, Arnoldo Wong-Villarreal, Nadia De La Portilla-Lopez, Laura Sanchez-Paz, Jorge Lugo, Rocio Vaca-Paulin, Pedro Del Aguila, Gustavo Yanez-Ocampo
Summary: This study evaluated the efficiency of tricalcium and iron phosphate solubilization in Pikovskaya medium using five bacterial strains and found that Bacillus pumilus was the most efficient for P solubilization and could grow and solubilize inorganic phosphorus under different pH conditions. Therefore, it is an ideal candidate for inorganic phosphorus solubilization and future production as a biofertilizer.
Article
Environmental Sciences
Maria Elena Calderon-Segura, Alejandro Ramirez-Guzman, Oscar Talavera-Mendoza, Yolanda Carbajal-Lopez, Maria del Carmen Martinez-Valenzuela, Martha Elena Mora-Herrera, Liliana Salinas-Alcantara, Patricia Hurtado-Brito
Summary: A genotoxic study was conducted on 101 elementary school children in a mining area in Guerrero state, Mexico. The results showed that the exposed children group had significantly higher DNA damage compared to the control group, with boys having more damage than girls.
Article
Microbiology
Jaime Adriel Gomez-Gutierrez, Arnoldo Wong-Villarreal, Liliana Aguilar-Marcelino, Gustavo Yanez-Ocampo, Emanuel Hernandez-Nunez, Juan Manuel Caspeta-Mandujano, Alejandro Garcia-Flores, Julio Cruz-Arevalo, Patricia Vargas-Uriostegui, Olga Gomez-Rodriguez
Summary: The nematicidal and acaricidal activity of three biosurfactants produced by strains of the Bacillus genus were evaluated. The biosurfactant from the Bacillus ROSS2 strain showed the highest mortality rates of 39.29% in Nacobbus aberrans juveniles (J2) at a concentration of 30 mg/mL, and 57.97% in Tyrophagus putrescentiae at a concentration of 39 mg/mL. The biosurfactants were identified as lipid in nature and GC-MS analysis revealed the presence of two main compounds, indicating their potential as alternative biocontrol agents.
BRAZILIAN JOURNAL OF MICROBIOLOGY
(2023)
Article
Plant Sciences
Saul Espinosa-Zaragoza, Ricardo Sanchez-Cruz, Diana Sanzon-Gomez, Margarita C. Escobar-Sandoval, Gustavo Yanez-Ocampo, Mario A. Morales-Constantino, Arnoldo Wong-Villarreal
Summary: This study isolated 62 endophytic bacterial strains from cedar seeds in Chiapas, Mexico, showing characteristics of biotechnological interest such as biocontrol, promotion of plant growth, and growth in the presence of xenobiotic compounds. The strains were identified as belonging to the Bacillus genus and exhibited activities like inhibiting the growth of phytopathogenic fungi, producing indoleacetic acid, solubilizing phosphate, and growing in aromatic compounds.
ACTA BIOLOGICA COLOMBIANA
(2021)
Article
Multidisciplinary Sciences
Arnoldo Wong-Villarrea, Hipolito Corzo-Gonzalez, Emanuel Hernandez-Nunez, Avel Gonzalez-Sanchez, German Giacoman-Vallejos
Summary: Lactic acid bacteria isolated from Chiapas artisanal cream cheese showed inhibitory effects against various pathogenic bacteria, reducing or eliminating coliforms, Staphylococcus aureus, molds, and yeasts in cheese production. The potential of these strains as starter cultures with bioconservation activity in similar products was demonstrated by this study.
