Derek C. Johnson
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View article: Early Clinical Outcomes of a Nitrided Ti-6Al-4V Titanium Alloy Anatomic Total Knee Replacement System
Early Clinical Outcomes of a Nitrided Ti-6Al-4V Titanium Alloy Anatomic Total Knee Replacement System Open
Background/Objectives: To prevent potential complications for patients with metal hypersensitivity requiring total knee arthroplasty (TKA), implant coatings have been developed. Thermal nitriding of the titanium surface creates a TiN layer…
View article: Epidemiological characteristics and real‐world treatment outcomes of hepatitis C among HIV/HCV co‐infected patients in Myanmar: A prospective cohort study
Epidemiological characteristics and real‐world treatment outcomes of hepatitis C among HIV/HCV co‐infected patients in Myanmar: A prospective cohort study Open
Background and Aims In Myanmar, public sector treatment programs for hepatitis C virus (HCV) infection were nonexistent until June 2017. WHO highlights the importance of simplification of HCV service delivery through task‐shifting among he…
View article: Characterizing Help-Seeking Searches for Substance Use Treatment From Google Trends and Assessing Their Use for Infoveillance: Longitudinal Descriptive and Validation Statistical Analysis
Characterizing Help-Seeking Searches for Substance Use Treatment From Google Trends and Assessing Their Use for Infoveillance: Longitudinal Descriptive and Validation Statistical Analysis Open
Background There is no recognized gold standard method for estimating the number of individuals with substance use disorders (SUDs) seeking help within a given geographical area. This presents a challenge to policy makers in the effective …
View article: Characterizing Self-Reports of Self-Identified Patient Experiences with Methadone Maintenance Treatment on an Online Community during COVID-19
Characterizing Self-Reports of Self-Identified Patient Experiences with Methadone Maintenance Treatment on an Online Community during COVID-19 Open
Background: The coronavirus disease (COVID-19) pandemic has impacted patients receiving methadone maintenance treatment (MMT) through opioid treatment programs (OTPs), especially because of the unique challenges of the care delivery model.…
View article: Methodological approaches for the prediction of opioid use-related epidemics in the United States: a narrative review and cross-disciplinary call to action
Methodological approaches for the prediction of opioid use-related epidemics in the United States: a narrative review and cross-disciplinary call to action Open
The opioid crisis in the United States has been defined by waves of drug- and locality-specific Opioid use-Related Epidemics (OREs) of overdose and bloodborne infections, among a range of health harms. The ability to identify localities at…
View article: Assessment of High-Risk Human Papillomavirus Infections Using Clinician- and Self-Collected Cervical Sampling Methods in Rural Women from Far Western Nepal
Assessment of High-Risk Human Papillomavirus Infections Using Clinician- and Self-Collected Cervical Sampling Methods in Rural Women from Far Western Nepal Open
IntroductionNepal has one of the highest cervical cancer rates in South Asia. Only a few studies in populations from urban areas have investigated type specific distribution of human papillomavirus (HPV) in Nepali women. Data on high-risk …
View article: Superior Uptake and Outcomes of Early Infant Diagnosis of HIV Services at an Immunization Clinic Versus an “Under-Five” General Pediatric Clinic in Malawi
Superior Uptake and Outcomes of Early Infant Diagnosis of HIV Services at an Immunization Clinic Versus an “Under-Five” General Pediatric Clinic in Malawi Open
Although the Malawian government recommends HIV-exposed infants receive early infant diagnosis of HIV (EID) at “under-five” pediatric clinics (U5Cs), most never enroll. Therefore, we evaluated the integration of EID testing into an immuniz…
View article: Short Communication: Lack of Occult HIV Infection Among Non-AIDS-Defining Cancer Patients in Three Academic Oncology Clinics in the United States
Short Communication: Lack of Occult HIV Infection Among Non-AIDS-Defining Cancer Patients in Three Academic Oncology Clinics in the United States Open
The Centers for Disease Control (CDC) testing recommendations suggest universal opt-out testing in all health care settings, including cancer clinics. The incidence of non-AIDS-defining cancers (NADCs) is on the rise among HIV patients. Ho…
View article: Internet Searches for Acute Anxiety During the Early Stages of the COVID-19 Pandemic
Internet Searches for Acute Anxiety During the Early Stages of the COVID-19 Pandemic Open
This cross-sectional study analyzes internet search data to evaluate the association of COVID-19 with anxiety.
View article: Improving the Thermal Stability of NMC 622 Li-Ion Battery Cathodes through Doping During Coprecipitation
Improving the Thermal Stability of NMC 622 Li-Ion Battery Cathodes through Doping During Coprecipitation Open
Increasing the Ni content of LiNixMnyCo1-x-yO2 (NMC) cathodes can increase the capacity, but additional stability is needed to improve safety and longevity characteristics. In order to achieve this improved stability, Mg and Zr were added …
View article: Facile and scalable dry surface doping technique to enhance the electrochemical performance of LiNi<sub>0.64</sub>Mn<sub>0.2</sub>Co<sub>0.16</sub>O<sub>2</sub> cathode materials
Facile and scalable dry surface doping technique to enhance the electrochemical performance of LiNi<sub>0.64</sub>Mn<sub>0.2</sub>Co<sub>0.16</sub>O<sub>2</sub> cathode materials Open
Nd-doped NMC shows significantly improved electrochemical performance.
View article: Spousal migration and human papillomavirus infection among women in rural western Nepal
Spousal migration and human papillomavirus infection among women in rural western Nepal Open
Older women were found to have a higher prevalence of HPV than younger women. It is possible that a husband's migration for work could be delaying HR-HPV infections in married women until an older age.
View article: Aqueous Plasma Pharmacy: Preparation Methods, Chemistry, and Therapeutic Applications
Aqueous Plasma Pharmacy: Preparation Methods, Chemistry, and Therapeutic Applications Open
Plasma pharmacy is a subset of the broader field of plasma medicine. Although not strictly defined, the term aqueous plasma pharmacy (APP) is used to refer to the generation and distribution of reactive plasma-generated species in an aqueo…