Sandra Ramirez-Arcos
Canadian Blood Services
28 Papers
174 Citations
Sandra Ramirez-Arcos is an academic researcher from Canadian Blood Services. The author has contributed to research in topics: Medicine & Biology. The author has an hindex of 16, co-authored 18 publications. Previous affiliations of Sandra Ramirez-Arcos include Spanish National Research Council & University of Ottawa.
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Papers
Does Treatment Order Matter? Investigating the Ability of Bacteriophage to Augment Antibiotic Activity against Staphylococcus aureus Biofilms.
Dilini Kumaran,Mariam Taha,Qi-Long Yi,Sandra Ramirez-Arcos,Jean-Simon Diallo,Alberto V. Carli,Hesham Abdelbary,Hesham Abdelbary +7 more
TL;DR: This in vitro study provides proof of principle for the ability of phages to augment the activity of antibiotics against S. aureus biofilms and demonstrates that therapeutic outcomes can be influenced by the sequence in which these therapeutic agents are administered, and the nature of their interactions.
A Comparative Study of McFarland Turbidity Standards and the Densimat Photometer to Determine Bacterial Cell Density
TL;DR: McFarland Turbidity standards and the Densimat photometer were compared for their accuracy to adjust bacterial suspensions as mentioned in this paper, which resulted in less variation within assays and in a more accurate determination of bacterial inocula.
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Canadian experience with detection of bacterial contamination in apheresis platelets
TL;DR: This data indicates that bacterial testing in apheresis platelets (PLTs) with an automated microbial detection system (BacT/ALERT, bioMérieux) improves the quality and efficiency of blood donation in Québécois.
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A thermophilic nitrate reductase is responsible for the strain specific anaerobic growth of Thermus thermophilus HB8.
TL;DR: It is demonstrated that insertional inactivation of the narG and narH genes of this cluster results in strictly aerobic mutants, showing its sole responsibility in the strain specific ability of T. thermophilus HB8 to grow anaerobically.
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Anaerobic Growth, a Property Horizontally Transferred by an Hfr-Like Mechanism among Extreme Thermophiles
TL;DR: It is shown that Thermus thermophilus HB8 (ATCC 27634) can grow anaerobically when nitrate is present in the growth medium, and that this transfer takes place through a DNase-insensitive mechanism which, as for the Hfr (high frequency of recombination) derivatives of Escherichia coli, can also mobilize other chromosomal markers in a time-dependent way.
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