scholarly journals Validation of Commercial SARS-CoV-2 Immunoassays in a Nigerian Population

2021 ◽  
Author(s):  
Fehintola Ige ◽  
Yohhei Hamada ◽  
Laura Steinhardt ◽  
Nnaemeka C. Iriemenam ◽  
Mabel Uwandu ◽  
...  
Keyword(s):  
Negative Sample ◽  
Nigerian Population

This study used positive and negative sample panels from Nigeria to test the performance of several commercially available SARS-CoV-2 serological assays. Using these prepandemic and SARS-CoV-2-positive samples, we found much lower levels of sensitivity in four commercially available assays than most assay manufacturer reports and independent evaluations.

scholarly journals Patient-related barriers to hypertension control in a Nigerian population

2014 ◽  
pp. 345 ◽  
Author(s):  
Chimezie Godswill Okwuonu ◽  
Nnamdi Ojimadu ◽  
Fatai Akemokwe ◽  
Enajite Okaka
Keyword(s):  
Hypertension Control ◽  
Nigerian Population

IMMUNOGLOBULIN ALLOTYPES IN AFRICAN POPULATIONS: I. Gm-Am HAPLOTYPES IN A NIGERIAN POPULATION

1978 ◽  
Vol 5 (3) ◽  
pp. 143-147 ◽  
Author(s):  
Erna Loghem ◽  
L. Salimonu ◽  
A. I. O. Williams ◽  
B. O. Osunkoya ◽  
A. M. Boyd ◽  
...  
Keyword(s):  
African Populations ◽  
Immunoglobulin Allotypes ◽  
Nigerian Population

DIRECTIONAL DIFFUSION OF K ATOMS ON A GaAs(110) SURFACE

2006 ◽  
Vol 05 (06) ◽  
pp. 895-900 ◽  
Author(s):  
NOBUYUKI ISHIDA ◽  
AGUS SUBAGYO ◽  
KAZUHISA SUEOKA
Keyword(s):  
Dipole Moment ◽  
Electric Field ◽  
Radial Direction ◽  
Negative Sample ◽  
Directional Diffusion ◽  
Sample Bias ◽  
Induced Dipole ◽  
High K ◽  
Scanning Area ◽  
The Relationship

We performed STM measurements on the K/GaAs (110) surface with high K coverage. The K atoms gradually disappeared while scanning the tip over the surface at negative sample bias voltage. The phenomenon strongly occurred over the scanning area and can be explained by the field-induced surface diffusion from the scanning area to radial direction. Considering the interaction between the dipole moment of the adsorbed K atoms and the electric field, we discuss the relationship between the static and induced dipole moment of K atoms on a GaAs (110) surface.

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