-
Article
Open AccessEvaluation of machine learning approach for surgical results of Ahmed valve implantation in patients with glaucoma
Ahmed valve implantation demonstrated an increasing proportion in glaucoma surgery, but predicting the successful maintenance of target intraocular pressure remains a challenging task. This study aimed to eval...
-
Article
Hyperreflective foci in diabetic macular edema with serous retinal detachment: association with dyslipidemia
Hyperreflective foci (HF), detected in the retina of diabetic patients, suggest the presence of microglial activation and migration, while controversies still remain for the origin of HF to be precursors of ha...
-
Article
Open AccessZeros of harmonic polynomials, critical lemniscates, and caustics
In this paper, we sharpen significantly several known estimates on the maximal number of zeros of complex harmonic polynomials. We also study the relation between the curvature of critical lemniscates and its ...
-
Article
Discontinuity in the Asymptotic Behavior of Planar Orthogonal Polynomials Under a Perturbation of the Gaussian Weight
We consider the orthogonal polynomials, \({\{P_n(z)\}_{n=0,1,\ldots}}\)
-
Article
Factors controlling groundwater quality in the Yeonjegu District of Busan City, Korea, using the hydrogeochemical processes and fuzzy GIS
The hydrogeochemical processes and fuzzy GIS techniques were used to evaluate the groundwater quality in the Yeonjegu district of Busan Metropolitan City, Korea. The highest concentrations of major ions were m...
-
Article
A New Lower Bound for the Maximal Valence of Harmonic Polynomials
We find a new lower bound for the maximal number of zeros of harmonic polynomials, \(p(z)+\overline{q(z)}\) ...
-
Article
Open AccessMicrobial copper reduction method to scavenge anthropogenic radioiodine
Unexpected reactor accidents and radioisotope production and consumption have led to a continuous increase in the global-scale contamination of radionuclides. In particular, anthropogenic radioiodine has becom...
-
Article
Effects of gamma irradiation and Shewanella putrefaciens on the sorption of uranium by goethite
Batch experiments were carried out to investigate the influence of gamma irradiation and an iron-reducing bacterium (Shewanella putrefaciens) on the sorption of uranium by goethite in an anoxic condition. Samples...
-
Article
Relationship between modic changes and facet joint degeneration in the cervical spine
Given that the disc moves simultaneously with facet joints, there would be a relationship between Modic changes and facet joint degeneration in the cervical spine. However, there is no literature investigating...
-
Article
Abiotic reduction of uranium by mackinawite (FeS) biogenerated under sulfate-reducing condition
Sulfate-reducing bacteria and their by-products, such as iron sulfides, are widely distributed in groundwater and sediments, and can affect subsurface aqueous chemistry. Here we show the catalytic reduction of...
-
Article
Combined analyses of chemometrics and kriging for identifying groundwater contamination sources and origins at the Masan coastal area in Korea
Hydrogeochemical analyses including the basic statistics of chemical components, Piper’s trilinear diagram, and Mazor’s compositional bivariate diagram revealed that the main source and origin of groundwater c...
-
Article
Uranium and other trace elements’ distribution in Korean granite: implications for the influence of iron oxides on uranium migration
To understand trace radionuclide (uranium) migration occurring in rocks, a granitic batholith located at the Korea Atomic Energy Research Institute (KAERI) site was selected and investigated. The rock samples ...
-
Article
Chemical weathering of granite under acid rainfall environment, Korea
Chemical weathering was investigated by collecting samples from five selected weathering profiles in a high elevation granitic environment located in Seoul, Korea. The overall changes of chemistry and mineralo...
-
Article
Study on the exchange reaction of HDTMA with the inorganic cations in reference montmorillonites
The adsorption of hexadecyltrimethylammonium (HDTMA) cations on swelling layer silicates (montmorillonites) was studied by adsorption isotherms, X-ray diffraction, and electron microscopy. At low HDTMA concent...
-
Article
Expansion of smectite by hexadecyltrimethylammonium
The adsorption of hexadecyltrimethylammonium (HDTMA) in smectite was studied by adsorption isotherms, X-ray diffraction (XRD) and high-resolution transmission electron microscopy (HRTEM). Smectites that had re...
