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Occurrence and removal of pharmaceuticals and endocrine disruptors in South Korean surface, drinking, and waste waters.
Liquid chromatography/tandem mass spectrometry (LC-MS/MS) with electrospray ionization (ESI) and atmospheric pressure chemical ionization (APCI) was used to measure the concentrations of 14… Expand
Disinfectant decay and disinfection by-products formation model development: chlorination and ozonation by-products.
Comprehensive disinfectant decay and disinfection by-product formation (D/DBP) models in chlorination and ozonation were developed to apply to various types of raw and treated waters. Comparison of… Expand
Membrane filtration of natural organic matter: factors and mechanisms affecting rejection and flux decline with charged ultrafiltration (UF) membrane
Abstract We studied natural organic matter (NOM) rejection and the membrane’s flux decline during natural water filtration using a charged ultrafiltration membrane based on thin-film-composite… Expand
Perchlorate assessment of the Nakdong and Yeongsan watersheds, Republic of Korea.
- O. Quiñones, J. Oh, B. Vanderford, J. Kim, J. Cho, S. Snyder
- Chemistry, Medicine
- Environmental toxicology and chemistry
- 1 July 2007
The objective of the present study was to conduct a preliminary assessment for perchlorate in surface water, drinking water, and wastewater treatment plant effluent samples obtained from the Nakdong… Expand
Tens of Gbps support with mmWave beamforming systems for next generation communications
- Taeyoung Kim, Jeongho Park, Ji-Yun Seol, Suryong Jeong, J. Cho, Wonil Roh
- Computer Science
- IEEE Global Communications Conference (GLOBECOM)
- 1 December 2013
In this paper, we propose a novel hybrid beamforming scheme that jointly combines RF beamforming and baseband precoding as a key enabling technique to make efficient use of mmWave channel. Expand
Combined influence of natural organic matter (NOM) and colloidal particles on nanofiltration membrane fouling
The combined influence of natural organic matter (NOM) and colloidal particles on the fouling of thin-film composite nanofiltration (NF) membranes is systematically investigated. Combined fouling is… Expand
In vitro anti-inflammatory effects of cynaropicrin, a sesquiterpene lactone, from Saussurea lappa.
- J. Cho, K. U. Baik, J. Jung, M. H. Park
- Biology, Medicine
- European journal of pharmacology
- 23 June 2000
We investigated in vitro anti-inflammatory effects of cynaropicrin, a sesquiterpene lactone from Saussurea lappa, on tumor necrosis factor (TNF)-alpha and nitric oxide (NO) release, and lymphocyte… Expand
Effective controls of micropollutants included in wastewater effluent using constructed wetlands under anoxic condition
Abstract An engineered constructed wetland, fed with wastewater effluent, was investigated with respect to the control of organic micropollutants. The levels of 30 different micropollutants,… Expand
Cleaning strategies for flux recovery of an ultrafiltration membrane fouled by natural organic matter.
One of the most common problems encountered in water treatment applications of membranes is fouling. Natural organic matter (NOM) represents a particularly problematic foulant. Membranes may be… Expand
Oxidative stress responses of Daphnia magna exposed to TiO(2) nanoparticles according to size fraction.
- Ki tae Kim, S. Klaine, J. Cho, S. Kim, S. Kim
- Biology, Medicine
- The Science of the total environment
- 15 April 2010
Size is one of important factors determining titanium dioxide nanoparticle (TiO(2) NP) toxicity since penetration is eased with decreasing particle size and bioavailability is increased. The effect… Expand