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Bioengineering, Volume 8, Issue 3

2021 March - 12 articles

Cover Story: CO2 removal via membrane oxygenators has become an important clinical technique. In order to further optimize oxygenators, accurate prediction of the CO2 removal rate is required. It can be determined either by measuring the CO2 content in the exhaust gas of the oxygenator (sweep flow-based) or by using blood gas analyzer data and a CO2 solubility model (blood-based). In this study, we determined the CO2 removal rate of an oxygenator by using both methods in in vitro experiments with bovine blood, as well as in in vivo experiments with porcine blood. This allows direct comparison and evaluation of the two methods. Furthermore, the suitability of four unique CO2 solubility models, with different levels of complexity, was investigated. View this paper
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Articles (12)

  • Article
  • Open Access
17 Citations
10,107 Views
15 Pages

SCRaMbLE: A Study of Its Robustness and Challenges through Enhancement of Hygromycin B Resistance in a Semi-Synthetic Yeast

  • Jun Yang Ong,
  • Reem Swidah,
  • Marco Monti,
  • Daniel Schindler,
  • Junbiao Dai and
  • Yizhi Cai

Recent advances in synthetic genomics launched the ambitious goal of generating the first synthetic designer eukaryote, based on the model organism Saccharomyces cerevisiae (Sc2.0). Excitingly, the Sc2.0 project is now nearing its completion and SCRa...

(This article belongs to the Special Issue From Yeast to Biotechnology)
  • Article
  • Open Access
6 Citations
4,670 Views
12 Pages

Model quality assessment (MQA), which selects near-native structures from structure models, is an important process in protein tertiary structure prediction. The three-dimensional convolution neural network (3DCNN) was applied to the task, but the pe...

  • Article
  • Open Access
17 Citations
4,891 Views
18 Pages

Spectral Decomposition of the Flow and Characterization of the Sound Signals through Stenoses with Different Levels of Severity

  • Fardin Khalili,
  • Peshala T. Gamage,
  • Amirtahà Taebi,
  • Mark E. Johnson,
  • Randal B. Roberts and
  • John Mitchell

Treatments of atherosclerosis depend on the severity of the disease at the diagnosis time. Non-invasive diagnosis techniques, capable of detecting stenosis at early stages, are essential to reduce associated costs and mortality rates. We used computa...

(This article belongs to the Special Issue Advances in Multivariate Physiological Signal Analysis)
  • Review
  • Open Access
86 Citations
12,179 Views
16 Pages

Collagen-Based Electrospun Materials for Tissue Engineering: A Systematic Review

  • Britani N. Blackstone,
  • Summer C. Gallentine and
  • Heather M. Powell

Collagen is a key component of the extracellular matrix (ECM) in organs and tissues throughout the body and is used for many tissue engineering applications. Electrospinning of collagen can produce scaffolds in a wide variety of shapes, fiber diamete...

(This article belongs to the Special Issue Biomedical Applications of Collagen)
  • Article
  • Open Access
23 Citations
5,849 Views
12 Pages

Despite the lifesaving medical discoveries of the last century, there is still an urgent need to improve the curative rate and reduce mortality in many fatal diseases such as cancer. One of the main requirements is to find new ways to deliver therape...

(This article belongs to the Special Issue Engineered Biomaterials: Design, Modeling, Synthesis, Characterization and Applications)
  • Review
  • Open Access
28 Citations
10,531 Views
18 Pages

Pancreatic ductal adenocarcinoma (PDAC) is the most common type of pancreatic cancer and has seen only modest improvements in patient survival rate over the past few decades. PDAC is highly aggressive and resistant to chemotherapy, owing to the prese...

(This article belongs to the Special Issue Cell–Biomaterial Interactions)
  • Article
  • Open Access
33 Citations
7,266 Views
12 Pages

While Deep Neural Networks (DNNs) and Transfer Learning (TL) have greatly contributed to several medical and clinical disciplines, the application to multivariate physiological datasets is still limited. Current examples mainly focus on one physiolog...

(This article belongs to the Special Issue Advances in Multivariate Physiological Signal Analysis)
  • Article
  • Open Access
5 Citations
5,906 Views
17 Pages

Copper is essential for life, but it can be deleterious in concentrations that surpass the physiological limits. Copper pollution is related to widespread human activities, such as viticulture and wine production. To unravel aspects of how organisms...

(This article belongs to the Special Issue From Yeast to Biotechnology)
  • Article
  • Open Access
12 Citations
4,872 Views
19 Pages

Spectral Decomposition and Sound Source Localization of Highly Disturbed Flow through a Severe Arterial Stenosis

  • Fardin Khalili,
  • Peshala T. Gamage,
  • Amirtahà Taebi,
  • Mark E. Johnson,
  • Randal B. Roberts and
  • John Mitchel

For the early detection of atherosclerosis, it is imperative to explore the capabilities of new, effective noninvasive diagnosis techniques to significantly reduce the associated treatment costs and mortality rates. In this study, a multifaceted comp...

  • Article
  • Open Access
12 Citations
5,499 Views
24 Pages

Suitable CO2 Solubility Models for Determination of the CO2 Removal Performance of Oxygenators

  • Benjamin Lukitsch,
  • Paul Ecker,
  • Martin Elenkov,
  • Christoph Janeczek,
  • Christian Jordan,
  • Claus G. Krenn,
  • Roman Ullrich,
  • Margit Gfoehler and
  • Michael Harasek

CO2 removal via membrane oxygenators during lung protective ventilation has become a reliable clinical technique. For further optimization of oxygenators, accurate prediction of the CO2 removal rate is necessary. It can either be determined by measur...

  • Article
  • Open Access
9 Citations
4,998 Views
18 Pages

Multiaxial testing of the small intestinal wall is critical for understanding its biomechanical properties and defining material models, but limited data and material models are available. The aim of the present study was to develop a microstructure-...

(This article belongs to the Special Issue Biomechanics of Hollow Organs: Experimental Testing and Computational Modeling)
  • Article
  • Open Access
2 Citations
4,150 Views
32 Pages

Microbial Interactions as Drivers of a Nitrification Process in a Chemostat

  • Pablo Ugalde-Salas,
  • Héctor Ramírez C.,
  • Jérôme Harmand and
  • Elie Desmond-Le Quéméner

This article deals with the inclusion of microbial ecology measurements such as abundances of operational taxonomic units in bioprocess modelling. The first part presents the mathematical analysis of a model that may be framed within the class of Lot...

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Bioengineering - ISSN 2306-5354