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Full-Text Articles in Laboratory and Basic Science Research
Application Of Alternative Nucleic Acid Extraction Protocols To Progastro Sscs Assay For Detection Of Bacterial Enteric Pathogens, Erik Munson, Maureen Napierala, Kimber L. Munson, Dorothy Bilbo, Michael A. Schulte
Application Of Alternative Nucleic Acid Extraction Protocols To Progastro Sscs Assay For Detection Of Bacterial Enteric Pathogens, Erik Munson, Maureen Napierala, Kimber L. Munson, Dorothy Bilbo, Michael A. Schulte
Clinical Lab Sciences Faculty Research and Publications
As an alternative to automated extraction, fecal specimens were processed by investigational lysis/heating (i.e., manual) and by chromatography/centrifugation (i.e., column) methods. ProGastro SSC and Shiga toxin-producing Escherichia coli (i.e., STEC) indeterminate rates for 101 specimens were 1.0% to 3.0% for automated, 11.9% for manual, and 24.8% to 37.6% for column methods. Following freeze-thaw of 247 specimens, indeterminate rates were 1.6% to 2.4% for manual and 0.8 to 5.3% for column methods. Mean processing times for manual and column methods were 30.5 and 69.2 min, respectively. Concordance of investigational methods with automated extraction was ≥98.8%.
Facile Synthesis, Characterization, And Antimicrobial Activity Of Cellulose-Chitosan-Hydroxyapatite Composite Material: A Potential Material For Bone Tissue Engineering, Tamutsiwa M. Mututuvari, April Harkins, Chieu D. Tran
Facile Synthesis, Characterization, And Antimicrobial Activity Of Cellulose-Chitosan-Hydroxyapatite Composite Material: A Potential Material For Bone Tissue Engineering, Tamutsiwa M. Mututuvari, April Harkins, Chieu D. Tran
Clinical Lab Sciences Faculty Research and Publications
Hydroxyapatite (HAp) is often used as a bone-implant material because it is biocompatible and osteoconductive. However, HAp possesses poor rheological properties and it is inactive against disease-causing microbes. To improve these properties, we developed a green method to synthesize multifunctional composites containing: (1) cellulose (CEL) to impart mechanical strength; (2) chitosan (CS) to induce antibacterial activity thereby maintaining a microbe-free wound site; and (3) HAp. In this method, CS and CEL were co-dissolved in an ionic liquid (IL) and then regenerated from water. HAp was subsequently formed in situ by alternately soaking [CEL+CS] composites in aqueous solutions of CaCl2 …