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Physics Maths Engineering

Production, Extraction and Partial Characterization of Natural Pigments from Chryseobacterium sp. kr6 Growing on Feather Meal Biomass

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Sabrine Gemelli,

Sabrine Gemelli

Laboratório de Bioquímica e Microbiologia Aplicada, Instituto de Ciência e Tecnologia de Alimentos, Universidade Federal do Rio Grande do Sul, Porto Alegre 91501-970, Brazil

Silvana Terra Silveira,

Silvana Terra Silveira

Laboratório de Bioquímica e Microbiologia Aplicada, Instituto de Ciência e Tecnologia de Alimentos, Universidade Federal do Rio Grande do Sul, Porto Alegre 91501-970, Brazil

Maria Elisa Pailliè-Jiménez,

Maria Elisa Pailliè-Jiménez

Laboratório de Bioquímica e Microbiologia Aplicada, Instituto de Ciência e Tecnologia de Alimentos, Universidade Federal do Rio Grande do Sul, Porto Alegre 91501-970, Brazil

Alessandro de Oliveira Rios,

Alessandro de Oliveira Rios

Laboratório de Compostos Bioativos, Instituto de Ciência e Tecnologia de Alimentos, Universidade Federal do Rio Grande do Sul, Porto Alegre 91501-970, Brazil

Adriano Brandelli

Adriano Brandelli

Laboratório de Bioquímica e Microbiologia Aplicada, Instituto de Ciência e Tecnologia de Alimentos, Universidade Federal do Rio Grande do Sul, Porto Alegre 91501-970, Brazil

Obtaining natural pigments from microorganisms is an alternative with high potential for biotechnological application. The use of agro-industrial wastes as substrate for cultivations enables a reduction of the production cost and may add value to potentially polluting byproducts. In this work, the extraction of pigments produced by the bacterium Chryseobacterium sp. strain kr6 was evaluate...
Posted 5 months ago

Physics Maths Engineering

A Fixed-Bed Column with an Agro-Waste Biomass Composite for Controlled Separation of Sulfate from Aqueous Media

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Mostafa Solgi,

Mostafa Solgi

Department of Chemistry, University of Saskatchewan, Saskatoon, SK S7N 5C9, Canada

Bernd G. K. Steiger,

Bernd G. K. Steiger

Department of Chemistry, University of Saskatchewan, Saskatoon, SK S7N 5C9, Canada

Lee D. Wilson

Lee D. Wilson

Department of Chemistry, University of Saskatchewan, Saskatoon, SK S7N 5C9, Canada

Key Questions

Microbial Pigment Production

How can bacteria produce natural pigments? Bacteria can produce natural pigments by growing on feather meal biomass. Specifically, Chryseobacterium sp. kr6 was used to produce yellow pigmen...
Posted 5 months ago

Physics Maths Engineering

Boron Recovery from Organic Solutions Used in Brine Treatment through a Water Stream

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Alejandra Cerda,

Alejandra Cerda

Departamento de Ingeniería Química y Procesos de Minerales, Facultad de Ingeniería, Universidad de Antofagasta, Av. Angamos 601, Antofagasta 1240000, Chile

Mackarena Jara,

Mackarena Jara

SQM, El Trovador 4285, Santiago 7550000, Chile

Osvaldo Yañez,

Osvaldo Yañez

SQM, El Trovador 4285, Santiago 7550000, Chile

Yahaira Barrueto,

Yahaira Barrueto

Departamento de Ingeniería Metalúrgica y Materiales, Universidad Técnica Federico Santa María, Valparaíso 2340000, Chile

Yecid P. Jimenez

Yecid P. Jimenez

Departamento de Ingeniería Química y Procesos de Minerales, Facultad de Ingeniería, Universidad de Antofagasta, Av. Angamos 601, Antofagasta 1240000, Chile

Abstract

This research evaluates the modification of the lithium carbonate (Li2CO3) production process and particularly the boron removal step, which currently employs a recirculated stream. This recirculated stream is a liquor with low boron content but rich in lithium, currently being wasted. In this process, the recirculating stream ...
Posted 5 months ago

Physics Maths Engineering

Adaptive Path Planning for Subsurface Plume Tracing with an Autonomous Underwater Vehicle

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Zhiliang Wu,

Zhiliang Wu

School of Mechanical Engineering, Tianjin University, Tianjin 300354, China

Shuozi Wang,

Shuozi Wang

School of Mechanical Engineering, Tianjin University, Tianjin 300354, China

Xusong Shao,

Xusong Shao

School of Mechanical Engineering, Tianjin University, Tianjin 300354, China

Fang Liu,

Fang Liu

Yichang Research Institute of Testing Technology, Yichang 443003, China

Zefeng Bao

Zefeng Bao

China Automotive Technology and Research Center, Tianjin 300300, China

Key Questions

1. What challenges do autonomous underwater vehicles (AUVs) address in plume tracing?

AUVs provide autonomous, efficient, and adaptive solutions for tracing subsurface plum...
Posted 5 months ago

Physics Maths Engineering

Artificial Intelligence Techniques for Sustainable Reconfigurable Manufacturing Systems: An AI-Powered Decision-Making Application Using Large Language Models

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Hamed Gholami

Hamed Gholami

Mines Saint-Etienne, Univ. Clermont Auvergne, INP Clermont Auvergne, CNRS, UMR 6158 LIMOS, F-42023 Saint-Etienne, France

Key Questions

1. What are sustainable reconfigurable manufacturing systems?

Sustainable reconfigurable manufacturing systems (SRMSs) are designed to quickly adapt to changes in product types and volumes through the modular and flexibl...
Posted 5 months ago

Social Science

Customer Connections: A Cross-Cultural Investigation of Brand Experience and Brand Love in the Retail Landscape

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Ângela Leite,

Ângela Leite

Centre for Philosophical and Humanistic Studies, Universidade Católica Portuguesa, Rua de Camões, 4710-362 Braga, Portugal

Anabela Rodrigues,

Anabela Rodrigues

Centre for Philosophical and Humanistic Studies, Universidade Católica Portuguesa, Rua de Camões, 4710-362 Braga, Portugal

Sílvia Lopes

Sílvia Lopes

Faculty of Philosophy and Social Sciences, Centre for Philosophical and Humanistic Studies, Universidade Católica Portuguesa, Rua de Camões, 4710-362 Braga, Portugal

Key Questions

1. What is the focus of this study?

The study aims to validate and assess the consistency of the Brand Experience (BE) scale and Brand Love (BL) scale for the LIDL brand, comparing Portugal and the Czech Republic. It als...
Posted 5 months ago

Biomedical

Electrochemical Synthesis of the In Human S-oxide Metabolites of Phenothiazine-Containing Antipsychotic Medications

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Ridho Asra,

Ridho Asra

School of Pharmacy, Institute of Clinical Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham B15 2TT, UK

Aigul Erbosynovna Malmakova,

Aigul Erbosynovna Malmakova

School of Pharmacy, Institute of Clinical Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham B15 2TT, UK

Alan M. Jones

Alan M. Jones

School of Pharmacy, Institute of Clinical Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham B15 2TT, UK

Key Questions

1. What is the main focus of this study?

The study focuses on the electrochemical synthesis of S-oxide metabolites of phenothiazine-containing antipsychotic medications, specifically investigating 2-chlorophenothiazin...
Posted 5 months ago

Biomedical

Prophylactic corticosteroids for infants undergoing cardiac surgery with cardiopulmonary bypass: a systematic review and meta-analysis of randomized controlled trials

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Siying Wang,

Siying Wang

Yi Xu,

Yi Xu

Hai Yu

Hai Yu

Key Questions


1. Do corticosteroids improve survival rates in infants undergoing cardiac surgery?

The analysis found no significant difference in postoperative mortality between groups recei...
Posted 5 months ago

Biomedical

Reversible cerebral vasoconstriction syndrome post-cardiac transplantation: a therapeutic dilemma: case report

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Natalie L. Montarello,

Natalie L. Montarello

Iain Irvine,

Iain Irvine

Victoria Warner,

Victoria Warner

James Hare,

James Hare

David Kaye,

David Kaye

Geoffrey C. Cloud

Geoffrey C. Cloud

Key Questions


1. What is reversible cerebral vasoconstriction syndrome (RCVS)?

RCVS is characterized by diffuse, multifocal segmental narrowing of cerebral arteries that can resu...
Posted 5 months ago

Biomedical

Contribution of individual and cumulative frailty-related health deficits on cardiac rehabilitation completion

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Troy Hillier,

Troy Hillier

Evan MacEachern,

Evan MacEachern

Dustin S. Kehler,

Dustin S. Kehler

Nicholas Giacomantonio

Nicholas Giacomantonio

Key Questions

1. What is the relationship between frailty and cardiac rehabilitation (CR) completion?

Frailty-related deficits significantly influence CR completion, with both traditional an...
Posted 5 months ago

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