Christopher J. Johnson USGS National Wildlife Health Center Biography Publications Institution JoVE Articles Christopher J. Johnson has not added a biography. If you are Christopher J. Johnson and would like to personalize this page please email our Author Liaison for assistance. Publications Comparison of the Local Binding Motifs in the Imidazolium-based Ionic Liquids [EMIM][BF4] and [EMMIM][BF4] Through Cryogenic Ion Vibrational Predissociation Spectroscopy: Unraveling the Roles of Anharmonicity and Intermolecular Interactions The Journal of Chemical Physics. Feb, 2015 | Pubmed ID: 25681905 Experimental Infection of Meadow Voles (Microtus Pennsylvanicus) with Sheep Scrapie Canadian Journal of Veterinary Research = Revue Canadienne De Recherche Vétérinaire. Jan, 2015 | Pubmed ID: 25673912 Site-specific Vibrational Spectral Signatures of Water Molecules in the Magic H3O+ (H2O)20 and Cs+ (H2O)20 Clusters Proceedings of the National Academy of Sciences of the United States of America. Dec, 2014 | Pubmed ID: 25489068 Global Surveillance of Cancer Survival 1995-2009: Analysis of Individual Data for 25 676 887 Patients from 279 Population-based Registries in 67 Countries (CONCORD-2) Lancet. Nov, 2014 | Pubmed ID: 25467588 Enhancing Cancer Registry Data for Comparative Effectiveness Research (CER) Project: Overview and Methodology Journal of Registry Management. 2014 | Pubmed ID: 25419602 Evaluation of North American Association of Central Cancer Registries' (NAACCR) Data for Use in Population-based Cancer Survival Studies Journal of the National Cancer Institute. Monographs. Nov, 2014 | Pubmed ID: 25417233 Directed Differentiation of Embryonic Stem Cells Using a Bead-based Combinatorial Screening Method PloS One. 2014 | Pubmed ID: 25251366 Associations of Census-tract Poverty with Subsite-specific Colorectal Cancer Incidence Rates and Stage of Disease at Diagnosis in the United States Journal of Cancer Epidemiology. 2014 | Pubmed ID: 25165475 Spectroscopy and Dynamics of the HOCO Radical: Insights into the OH + CO → H + CO2 Reaction Physical Chemistry Chemical Physics : PCCP. Sep, 2014 | Pubmed ID: 25098907 Communication: He-tagged Vibrational Spectra of the SarGlyH⁺ and H⁺(H₂O)(2,3) Ions: Quantifying Tag Effects in Cryogenic Ion Vibrational Predissociation (CIVP) Spectroscopy The Journal of Chemical Physics. Jun, 2014 | Pubmed ID: 24929365 Vibrational Spectral Signature of the Proton Defect in the Three-dimensional H⁺(H₂O)₂₁ Cluster Science (New York, N.Y.). May, 2014 | Pubmed ID: 24876493 Microhydration of Contact Ion Pairs in M(2+)OH(-)(H2O)(n=1-5) (M = Mg, Ca) Clusters: Spectral Manifestations of a Mobile Proton Defect in the First Hydration Shell The Journal of Physical Chemistry. A. Sep, 2014 | Pubmed ID: 24874345 The Relationship Between Area Poverty Rate and Site-specific Cancer Incidence in the United States Cancer. Jul, 2014 | Pubmed ID: 24866103 Modes of Activation of Organometallic Iridium Complexes for Catalytic Water and C-H Oxidation Inorganic Chemistry. Jan, 2014 | Pubmed ID: 24228617 Ionic Liquids from the Bottom Up: Local Assembly Motifs in [EMIM][BF4] Through Cryogenic Ion Spectroscopy The Journal of Chemical Physics. Dec, 2013 | Pubmed ID: 24329066 Red-backed Vole Brain Promotes Highly Efficient in Vitro Amplification of Abnormal Prion Protein from Macaque and Human Brains Infected with Variant Creutzfeldt-Jakob Disease Agent PloS One. 2013 | Pubmed ID: 24205298 In Vitro Prion Protein Conversion Suggests Risk of Bighorn Sheep (Ovis Canadensis) to Transmissible Spongiform Encephalopathies BMC Veterinary Research. 2013 | Pubmed ID: 23938169 Vibrational Spectra and Fragmentation Pathways of Size-selected, D2-tagged Ammonium/methylammonium Bisulfate Clusters The Journal of Physical Chemistry. A. Dec, 2013 | Pubmed ID: 23879238 The Effect of Multiple Primary Rules on Population-based Cancer Survival Cancer Causes & Control : CCC. Jun, 2013 | Pubmed ID: 23558444 Low Copper and High Manganese Levels in Prion Protein Plaques Viruses. Feb, 2013 | Pubmed ID: 23435237 The Impact of National Death Index Linkages on Population-based Cancer Survival Rates in the United States Cancer Epidemiology. Feb, 2013 | Pubmed ID: 22959341 Toxicity of Topical Lidocaine Applied to the Breasts to Reduce Discomfort During Screening Mammography Journal of Anaesthesiology, Clinical Pharmacology. Apr, 2012 | Pubmed ID: 22557743 Lichens: Unexpected Anti-prion Agents? Prion. Jan-Mar, 2012 | Pubmed ID: 22453171 Impact of Using Multiple Causes of Death Codes to Compute Site-specific, Death Certificate-based Cancer Mortality Statistics in the United States Cancer Epidemiology. Feb, 2012 | Pubmed ID: 21907006 Variability in Cancer Death Certificate Accuracy by Characteristics of Death Certifiers The American Journal of Forensic Medicine and Pathology. Jun, 2012 | Pubmed ID: 21490500 Photoelectron-photofragment Coincidence Studies of NO(-)-X Clusters (X = H2O, CD4) Faraday Discussions. 2011 | Pubmed ID: 22457963 Electron Affinities, Well Depths, and Vibrational Spectroscopy of Cis- and Trans-HOCO Journal of the American Chemical Society. Dec, 2011 | Pubmed ID: 22053945 Photoelectron-photofragment Coincidence Spectroscopy in a Cryogenically Cooled Linear Electrostatic Ion Beam Trap The Review of Scientific Instruments. Oct, 2011 | Pubmed ID: 22047327 Melanoma Surveillance in the United States: Overview of Methods Journal of the American Academy of Dermatology. Nov, 2011 | Pubmed ID: 22018069 Association of Cutaneous Melanoma Incidence with Area-based Socioeconomic Indicators-United States, 2004-2006 Journal of the American Academy of Dermatology. Nov, 2011 | Pubmed ID: 22018068 Association Between Cutaneous Melanoma Incidence Rates Among White US Residents and County-level Estimates of Solar Ultraviolet Exposure Journal of the American Academy of Dermatology. Nov, 2011 | Pubmed ID: 22018067 Alteration of the Chronic Wasting Disease Species Barrier by in Vitro Prion Amplification Journal of Virology. Sep, 2011 | Pubmed ID: 21697475 Modeling Routes of Chronic Wasting Disease Transmission: Environmental Prion Persistence Promotes Deer Population Decline and Extinction PloS One. 2011 | Pubmed ID: 21603638 Degradation of the Disease-associated Prion Protein by a Serine Protease from Lichens PloS One. 2011 | Pubmed ID: 21589935 Communication: New Insight into the Barrier Governing CO2 Formation from OH + CO The Journal of Chemical Physics. May, 2011 | Pubmed ID: 21548666 Breast Cancer Stage at Diagnosis: is Travel Time Important? Journal of Community Health. Dec, 2011 | Pubmed ID: 21461957 Geographic Proximity to Treatment for Early Stage Breast Cancer and Likelihood of Mastectomy Breast (Edinburgh, Scotland). Aug, 2011 | Pubmed ID: 21440439 Meat and Bone Meal and Mineral Feed Additives May Increase the Risk of Oral Prion Disease Transmission Journal of Toxicology and Environmental Health. Part A. 2011 | Pubmed ID: 21218345 The Impact of Patient Follow-up on Population-based Survival Rates Journal of Registry Management. 2010 | Pubmed ID: 21462880 Chronic Wasting Disease (CWD) Susceptibility of Several North American Rodents That Are Sympatric with Cervid CWD Epidemics Journal of Virology. Jan, 2010 | Pubmed ID: 19828611 Interactive Voice Response Technology to Measure HIV-related Behavior Current HIV/AIDS Reports. Nov, 2009 | Pubmed ID: 19849964 Ultraviolet-ozone Treatment Reduces Levels of Disease-associated Prion Protein and Prion Infectivity BMC Research Notes. 2009 | Pubmed ID: 19580672 Adherence to Antiretroviral Medication in Older Adults Living with HIV/AIDS: a Comparison of Alternative Models AIDS Care. May, 2009 | Pubmed ID: 19444661 Pathogenic Prion Protein is Degraded by a Manganese Oxide Mineral Found in Soils The Journal of General Virology. Jan, 2009 | Pubmed ID: 19088299 An Event-level Analysis of Condom Use As a Function of Mood, Alcohol Use, and Safer Sex Negotiations Archives of Sexual Behavior. Apr, 2009 | Pubmed ID: 18027083 Examining the Association Between Socioeconomic Status and Potential Human Papillomavirus-associated Cancers Cancer. Nov, 2008 | Pubmed ID: 18980274 Persistence of Pathogenic Prion Protein During Simulated Wastewater Treatment Processes Environmental Science & Technology. Jul, 2008 | Pubmed ID: 18754377 Methods for Improving Cancer Surveillance Data in American Indian and Alaska Native Populations Cancer. Sep, 2008 | Pubmed ID: 18720372 Premedication to Reduce Discomfort During Screening Mammography Radiology. Sep, 2008 | Pubmed ID: 18647845 Patterns and Correlates of Sexual Activity and Condom Use Behavior in Persons 50-plus Years of Age Living with HIV/AIDS AIDS and Behavior. Nov, 2008 | Pubmed ID: 18389361 Proteomics, Nanotechnology and Molecular Diagnostics Proteomics. Feb, 2008 | Pubmed ID: 18297650 Her-2/neu Expression in Salivary Duct Carcinoma: an Immunohistochemical and Chromogenic in Situ Hybridization Study Applied Immunohistochemistry & Molecular Morphology : AIMM / Official Publication of the Society for Applied Immunohistochemistry. Jan, 2008 | Pubmed ID: 18091319 Architecture of Columnar Nacre, and Implications for Its Formation Mechanism Physical Review Letters. Jun, 2007 | Pubmed ID: 17678131 Oral Transmissibility of Prion Disease is Enhanced by Binding to Soil Particles PLoS Pathogens. Jul, 2007 | Pubmed ID: 17616973 Interactive Voice Response Technology Applied to Sexual Behavior Self-reports: a Comparison of Three Methods AIDS and Behavior. Mar, 2007 | Pubmed ID: 16841191 EUS Characteristics of Celiac Ganglia with Cytologic and Histologic Confirmation Gastrointestinal Endoscopy. Jul, 2006 | Pubmed ID: 16813800 Prions Adhere to Soil Minerals and Remain Infectious PLoS Pathogens. Apr, 2006 | Pubmed ID: 16617377 DNA-driven Assembly of Mesoporous Silica/gold Satellite Nanostructures Small (Weinheim an Der Bergstrasse, Germany). Jan, 2005 | Pubmed ID: 17193359 Labeling of the Scrapie-associated Prion Protein in Vitro and in Vivo Neuroscience Letters. Nov, 2004 | Pubmed ID: 15519752 Improving Cancer Incidence Estimates for American Indians and Alaska Natives in the Pacific Northwest American Journal of Public Health. Sep, 2002 | Pubmed ID: 12197975 Modulation of Monocyte Signaling and Pore Formation in Response to Agonists of the Nucleotide Receptor P2X(7) Journal of Leukocyte Biology. Jul, 2002 | Pubmed ID: 12101284 Assessing Transmissible Spongiform Encephalopathy Species Barriers with an In Vitro Prion Protein Conversion Assay Christopher J. Johnson1, Christina M. Carlson2, Aaron R. Morawski3, Alyson Manthei4, Neil R. Cashman5 1USGS National Wildlife Health Center, 2Department of Soil Science, University of Wisconsin–Madison, 3Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, 4Merial Veterinary Scholars Program, School of Veterinary Medicine, University of Wisconsin–Madison, 5Department of Neurology, University of British Columbia JoVE 52522 Medicina
Assessing Transmissible Spongiform Encephalopathy Species Barriers with an In Vitro Prion Protein Conversion Assay Christopher J. Johnson1, Christina M. Carlson2, Aaron R. Morawski3, Alyson Manthei4, Neil R. Cashman5 1USGS National Wildlife Health Center, 2Department of Soil Science, University of Wisconsin–Madison, 3Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, 4Merial Veterinary Scholars Program, School of Veterinary Medicine, University of Wisconsin–Madison, 5Department of Neurology, University of British Columbia JoVE 52522 Medicina