A new method for the detection of microorganisms in blood cultures: Part I. Theoretical analysis and simulation of blood culture processes

The physical and chemical changes occurring in blood as a consequence of microbial activity can be used as quantitative indicators of the presence of microorganisms in blood cultures. This paper reports on the theoretical analysis and computer simulation of the changes in the physical and chemical p...

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Veröffentlicht in:Canadian journal of chemical engineering 2008-10, Vol.86 (5), p.947-959
Hauptverfasser: Smith, Jennifer M., Serebrennikova, Yulia M., Huffman, Debra E., Leparc, German F., García-Rubio, Luis H.
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container_end_page 959
container_issue 5
container_start_page 947
container_title Canadian journal of chemical engineering
container_volume 86
creator Smith, Jennifer M.
Serebrennikova, Yulia M.
Huffman, Debra E.
Leparc, German F.
García-Rubio, Luis H.
description The physical and chemical changes occurring in blood as a consequence of microbial activity can be used as quantitative indicators of the presence of microorganisms in blood cultures. This paper reports on the theoretical analysis and computer simulation of the changes in the physical and chemical properties of blood expected as a result of the presence of microorganisms and explores the possibilities of spectrophotometric systems for the early detection of pathogens. It is concluded that multi‐wavelength reflectance methods are suitable and that the approach reported herein can lead to considerable simplifications and cost reduction of blood culture systems. Les changements physiques et chimiques survenant dans le sang suite à une activité microbienne peuvent être utilisés comme indicateurs quantitatifs de la présence de microorganismes dans les cultures sanguines. On présente dans cet article l'analyse théorique et la simulation par ordinateur des changements dans les propriétés physiques et chimiques du sang issus de la présence de microorganismes et on explore les possibilités des systèmes spectrophotométriques pour la détection précoce des pathogènes. On conclut que les méthodes de réflectance à longueurs d'onde multiple conviennent et que l'approche mentionnée ici peut conduire à des simplifications considérables et une réduction des coûts des systèmes de culture sanguine.
doi_str_mv 10.1002/cjce.20095
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subjects Applied sciences
blood chemistry
blood cultures
Chemical engineering
deconvolution
Exact sciences and technology
multi-wavelength spectroscopy
optical properties
title A new method for the detection of microorganisms in blood cultures: Part I. Theoretical analysis and simulation of blood culture processes
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