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Hyung Suk Kim 8 Articles
A study on the change of urinary catecholamine sexcretion due to noise stress.
Hyung Suk Kim, Joon Bae Chun, Ulf Lundberg
Korean J Prev Med. 1993;26(4):565-573.
  • 1,783 View
  • 22 Download
AbstractAbstract PDF
Noise is not only affecting the ear and the auditory cortex locally, but its influence is widely spread throughout the brain structures, e. g., the reticular formation, the brain stem nuclei or the subcortical forebrain area. Hence, any of the organism's activities can be hindered or stimulated by noise. High noise is a stressor and the catecholamine level can be used both as a stress marker and as an indicator of modified sympathetic nervous system activity. Several recent studies have found that the urinary excretion of catecholamines is increased due to high noise intensity, especially unexpectedly high and long lasting noise. The present study was conducted in order to examine the effects of noise stress on urinary excretion of catecholamines in rats and humans. Rats were exposed to 90 dB noises for 10, 30, and 60 minutes, 3 and 12 hours. 24 hour urinary samples were collected and the catecholamines were extracted by alumina and analyzed by HPLC-ECD. Catecholamine levels increased with time of exposure up to 60 minutes: norepinephrine concentration at 60 min of noise=1.038 ng/ml, epinephrine=0.636 ng/ml. Urine catecholamines of blue collar workers exposed to 90 dB of noise at the workplace were collected between 2 and 4 p.m. and compared to that of white collar workers exposed to 70 dB. Mean norepinephrine level of the blue collar workers was 0.89 ng/ml(+/-0.25), epinephrine 0.24 ng/ml(+/-0.09), and that of the white collar workers 0.48 ng/ml(+/-0.12), epinephrine 0.19 ng/ml(+/-0.05). It was concluded that noise acts as a stressor and increases the catecholamine levels in both rats and humans.
Summary
A Study on the Catecholamine under the Room Temperature and 5 degrees C Refrigerator Environment in Rat.
Seyng Eui Hong, Tai Young Yoon, Hyung Suk Kim
Korean J Prev Med. 1987;20(2):215-220.
  • 1,671 View
  • 20 Download
AbstractAbstract PDF
Under the extreme change of the environment, animals react physiologically to adapt to the stress and secrete catecholamines. Cold exposure is a kind of the environmental stress. Author tried to determine the amount of catecholamines in rat urine as a parameter of physiological response to cold stress. Urinary catecholamine was measured by using HPLC with fluorescence detector, coation exchange column prepacked with Bio-Rex 70 and ammonium pentaborate as catecholamine eluent. The amount of dopamine in normal state rat urine was 42.0 ng, but under the low temperature of 5 degrees C, the dopamine amount was increased to 221.25 ng/5 ml. Above findings are suggesting that catecholamine secretion, especially dopamine, increase in the stressful condition such as cold exposure.
Summary
Study on the Indoor Air Pollution.
Hyung Suk Kim, Yang Won Park
Korean J Prev Med. 1984;17(1):137-144.
  • 1,751 View
  • 25 Download
AbstractAbstract PDF
No abstract available.
Summary
Toluene Determination in Workplace by Charcoal Tube Method.
Hyung Suk Kim, Do Suh Koo, Yang Won Park, Jeong Whan Lee
Korean J Prev Med. 1983;16(1):193-198.
  • 1,561 View
  • 19 Download
AbstractAbstract PDF
In the determination of organic solvents in workplaces direct reading tube method have been in Korea for decades. But this method is less accurate and couldn't measure TWA (Time Weighted Average) for 8 hours. Authors tried to detect Toluene concentration in S factory by using charcoal tube according to NIOSH method. The concentration was 158.8ppm. We propose this charcoal tube method should be substituted to get accurate results and to protect employee in workplaces related with solvents.
Summary
Lead Determinaiton in 25 microliter Whole Blood Sample by Atomic Absorption Spectrophotometer with Furnace Atomizer.
Hyung Suk Kim, Yang Won Park, Do Suh Koo
Korean J Prev Med. 1982;15(1):111-114.
  • 1,593 View
  • 19 Download
AbstractAbstract PDF
To determine Pb level in blood, we usually used to pull out about 5ml blood from venous vessel and this sample was digested with acids to decompose organic matter and then determined the Pb contents by Atomic Absorption Spectrophotometer with flame. But recent trend in quan titating Pb in small amount of sample is very much recommended in clinical chemistry specially pediatrics, and industrial hygiene and occupational health area. Authors tried to determine Pb contents in small amount blood of 25 microliter by using capillary tube method and got the possibility of determination of ng amount of Pb in 25yl whole blood sample without any pretreatment of sample.
Summary
Mineral Water Investigation on 10 Area in Seoul.
Hyung Suk Kim, Do Suh Koo, Yang Won Park
Korean J Prev Med. 1977;10(1):59-61.
  • 1,600 View
  • 18 Download
AbstractAbstract PDF
We are calling the erupting ground water as drug water or mineral water in Korea and thinking those water and food making water. Authors tried to investigate the evidence of contamination by user on the 10 erupting ground water and gained following results: 1. All of the mineral waters on 10 area in Seoul were unfittable to drinking water standard. 2. In the view of the bacteriology 80% were contaminated by coliform group. 3. The highest value of the free carbon dioxide contents were 652.96 ppm at Sam Sun Mineral Water.
Summary
Studiedies on the Pollution Bacteria in the River Water of Baek Ma.
Yang Won Park, Hyung Suk Kim
Korean J Prev Med. 1974;7(1):175-176.
  • 1,782 View
  • 18 Download
AbstractAbstract PDF
The purpose of this study was to survey bacteria which was known as a fecal bacteria living in the human and animal gastro and intestinal tract. The colony density of the fecal coliform and fecal streptococci was 280 and 130 in 100ml sample amounts respectively. Staphylococcus aureus and Pseudomonas aeruginosa which is usually exist in swimming pool and was known as indicator of the pool water contamination was detected.
Summary
A Study on the Water Pollution of Mountain Wells around Seoul Area.
Yang Won Park, Pyong Kap Lee, Hyung Suk Kim, Soon Young Park
Korean J Prev Med. 1972;5(1):37-42.
  • 2,021 View
  • 22 Download
AbstractAbstract PDF
Mountain Wells are very important water source of the most the climbers in Seoul area. But the facilities around the wells are not modernized to prevent from contamination of microorganism and the other pollutants. We focussed our intention on the detection of some harmful chemical ingredients and contaminants. A total of 58 wells were examined according to the Standard Methods(APHA) and the following results were obtained : 1) Among the examined 58 wells, only 10 wells adequate to the drinking water standard, 2) 7.9mg of liberated CO2 was found in the Tchun-Ho-Dong Mineral Well, 3) Chemically harmful ingredients were not found, 4) The Mountain Wells were contaminated by Coliform Groups as many as 18 times than rural well.
Summary

JPMPH : Journal of Preventive Medicine and Public Health