Browsing Artículos de Investigación by Author "Rojas-Villacorta, Walter"

Now showing items 1-15 of 15

    • An In Vitro Study of the Effects of Temperature and pH on Lead Bioremoval Using Serratia marcescens 

      Lecca-Caballero, Dafne; Vega-Moreno, Eyber; Cabanillas-Chirinos, Luis; Diaz Del Aguila, Karen; Rojas-Villacorta, Walter; Salvatierra-Espinola, Waldo; Nazario Naveda, Renny; Rojas-Flores, Segundo; De La Cruz-Noriega, Magaly (MDPI, 2023)
      Acceso abierto
      Heavy metal contamination of water is a widespread problem in Peru and represents a potential threat to the ecosystem. Bacteria are an ecological alternative to treating these effluents. This research aims to determine the ...

    • Arsenic Biosorption by the Macroalgae Chondracanthus chamissoi and Cladophora sp. 

      Otiniano, Nélida Milly; De La Cruz-Noriega, Magaly; Cabanillas-Chirinos, Luis; Rojas-Flores, Segundo; Muñoz-Ríos, Miguel A.; Rojas-Villacorta, Walter; Robles-Castillo, Heber (MDPI, 2022-09)
      Acceso abierto
      The biosorption of arsenic (As) with macroalgae has aroused much interest as a clean and low-cost technology. To evaluate arsenic biosorption by Chondracanthus chamissoi and Cladophora sp., approximately 5 kg of algae was ...

    • Carbapenemase-Producing Bacteria Isolated from ICU Patients of a Peruvian Government Hospital during the COVID-19 Pandemic: A Descriptive Analysis 

      García-Cedrón, David; De La Cruz Noriega, Magaly; Cabanillas-Chirinos, Luis; Milly Otiniano, Nélida; Rojas-Villacorta, Walter; Salvatierra-Espinola, Waldo; Diaz Del Aguila, Karen (MDPI, 2023)
      Acceso abierto
      Background and Objectives: In Peru, the presence of antimicrobial-resistant bacteria is a constant concern in hospitals and has likely increased in frequency during the pandemic. The objective of the study was to analyze ...

    • Effect of Inoculum Concentration on the Degradation of Diesel 2 by a Microbial Consortium 

      Otiniano, Nélida Milly; Rojas-Villacorta, Walter; De La Cruz-Noriega, Magaly; Lora-Cahuas, Carmen; Mendoza-Villanueva, Karol; Benites, Santiago M.; Gallozzo-Cardenas, Moises; Rojas-Flores, Segundo (MDPI, 2022-12-14)
      Acceso abierto
      The objective was to determine the effect of inoculum concentration on the degradation of Diesel 2 by a microbial consortium called BIOT.PD001. For this, five systems were designed (in triplicate), which Contained Davis ...

    • Green Energy Generated in Single-Chamber Microbial Fuel Cells Using Tomato Waste 

      Rojas-Flores, Segundo; De La Cruz-Noriega, Magaly; Cabanillas-Chirinos, Luis; Benites, Santiago M.; Nazario-Naveda, Renny; Delfín-Narciso, Daniel; Gallozzo-Cardenas, Moisés; Díaz, Félix; Murga-Torres, Emzon; Rojas-Villacorta, Walter (MDPI, 2023)
      Acceso abierto
      This research used tomato waste as a substrate (fuel) in Single Chamber-Microbial Fuel Cells (scMFC) on a small scale. The electrochemical properties were monitored, the functional groups of the substrate were analyzed by ...

    • Impact of Dragon Fruit Waste in Microbial Fuel Cells to Generate Friendly Electric Energy 

      Rojas-Flores, Segundo; Benites, Santiago M.; De La Cruz-Noriega, Magaly; Vives-Garnique, Juan; Otiniano, Nélida Milly; Rojas-Villacorta, Walter; Gallozzo-Cardenas, Moisés; Delfín-Narciso, Daniel; Díaz, Felix (MDPI, 2023-04-27)
      Acceso abierto
      Pollution generated by the misuse of large amounts of fruit and vegetable waste has become a major environmental and social problem for developing countries due to the absence of specialized collection centers for this ...

    • In Vitro Compatibility of Three Native Isolates of Trichoderma with the Insecticide Chlorpyrifos 

      Sabogal-Vargas, Ana María; Wilson-Krugg, Juan; Rojas-Villacorta, Walter; De La Cruz-Noriega, Magaly; Nelida Milly, Otiniano; Rojas-Flores, Segundo; Mendoza-Villanueva, Karol (MDPI, 2023-01-06)
      Acceso abierto
      The compatibility between biocontrol agents and pesticides seems to be a sustainable control strategy in agriculture. Therefore, the in vitro compatibility of three native isolates of Trichoderma was evaluated in three ...

    • In Vitro Effect of Molasses Concentration, pH, and Time on Chromium Removal by Trichoderma spp. from the Effluents of a Peruvian Tannery 

      Tello-Galarreta, Fabricio A.; Durand-Paz, Juan H.; Rojas-Villacorta, Walter; Cabanillas-Chirinos, Luis; De La Cruz-Noriega, Magaly; Nazario-Naveda, Renny; Benites, Santiago M.; Rojas-Flores, Segundo (MDPI, 2023-05-11)
      Acceso abierto
      The effluents generated by the tannery industry have a high content of chromium and other toxic elements, representing a potential threat to ecosystems. An eco-friendly alternative to treat these effluents is the use of ...

    • Lignin-Degrading Bacteria in Paper Mill Sludge 

      Rodriguez-Yupanqui, Magda; De La Cruz-Noriega, Magaly; Quiñones, Claudio; Otiniano, Nélida Milly; Quezada-Alvarez, Medardo A.; Rojas-Villacorta, Walter; Vergara-Medina, Gino A.; León-Vargas, Frank R.; Solís-Muñoz, Haniel; Rojas-Flores, Segundo (MDPI, 2023-04-29)
      Acceso abierto
      The effluents generated in the paper industry, such as black liquor, have a high content of lignin and other toxic components; however, they represent a source of lignin-degrading bacteria with biotechnological potential. ...

    • Microbial Biosensors for Wastewater Monitoring: Mini-Review 

      Rojas-Villacorta, Walter; Rojas-Flores, Segundo; De La Cruz-Noriega, Magaly; Chinchay Espino, Héctor; Diaz, Felix; Gallozzo Cardenas, Moises (MDPI, 2022-10)
      Acceso abierto
      Research on the use of microbial biosensors for monitoring wastewater contaminants is a topic that covers few publications compared to their applicability in other fields, such as biomedical research. For this reason, a ...

    • Pleurotus ostreatus Mycelium and Sugarcane Bagasse as Substitute Environment-Friendly Material for Polystyrene Foam 

      Aranda-Calipuy, Maria Melissa; Roncal-Lázaro, Alexia; Quezada-Alvarez, Medardo A.; Siche, Raúl; Cabanillas-Chirinos, Luis; Rojas-Villacorta, Walter; Benites, Santiago M.; Rojas-Flores, Segundo (MDPI, 2023-06-06)
      Acceso abierto
      Biodiversity in ecosystems is threatened by plastic waste, a significant pollution problem. The research aims to use plastic, Pleorotus ostreatus mycelium, and sugarcane bagasse to develop an eco-friendly biomaterial. The ...

    • Preliminary Study of Bioelectricity Generation Using Lettuce Waste as Substrate by Microbial Fuel Cells 

      Rojas-Villacorta, Walter; Rojas-Flores, Segundo; Benites, Santiago M.; Nazario-Naveda, Renny; Romero, Cecilia V.; Gallozzo-Cardenas, Moisés; Delfín-Narciso, Daniel; Díaz, Felix; Murga-Torres, Emzon (MDPI, 2023-06-30)
      Acceso abierto
      Agricultural waste negatively impacts the environment and generates economic difficulties for agro-industrial companies and farmers. As a result, it is necessary for an eco-friendly and sustainable alternative to managing ...

    • Use of Kiwi Waste as Fuel in MFC and Its Potential for Use as Renewable Energy 

      Rojas-Flores, Segundo; De La Cruz-Noriega, Magaly; Cabanillas-Chirinos, Luis; Benites, Santiago M.; Nazario-Naveda, Renny; Delfín-Narciso, Daniel; Gallozzo-Cardenas, Moisés; Díaz, Felix; Murga-Torres, Emzon; Rojas-Villacorta, Walter (MDPI, 2023)
      Acceso abierto
      This research aimed to use kiwi waste as fuel to generate bioelectricity through microbial fuel cells. It was possible to generate an electrical current and voltage peaks of 3.807 ± 0.102 mA and 0.993 ± 0.061 V on day 11, ...

    • Use of Tangerine Waste as Fuel for the Generation of Electric Current 

      Rojas-Flores, Segundo; Cabanillas-Chirinos, Luis; Nazario-Naveda, Renny; Gallozzo-Cardenas, Moisés; Díaz, Felix; Delfín-Narciso, Daniel; Rojas-Villacorta, Walter (MDPI, 2023-02-15)
      Acceso abierto
      Fruit waste has increased exponentially worldwide, within which tangerine is one of those that generates a greater amount of organic waste, which is currently not fully used. On the other hand, microbial fuel cells (MFCs) ...

    • Use of Wastewater and Electrogenic Bacteria to Generate Eco-Friendly Electricity through Microbial Fuel Cells 

      De La Cruz-Noriega, Magaly; Benites, Santiago M.; Rojas-Flores, Segundo; Otiniano, Nelida M.; Sabogal Vargas, Ana M.; Alfaro, Rubén; Cabanillas-Chirinos, Luis; Rojas-Villacorta, Walter; Nazario-Naveda, Renny; Delfín-Narciso, Daniel (MDPI, 2023-07-06)
      Acceso abierto
      Power generation and wastewater treatment are two great challenges for sustainable development. Microbial fuel cells (MFCs) are a sustainable alternative that can generate bioelectricity in the bioremediation process of ...