Research Topics
| Wan K JoSummaryAffiliation: Kyungpook National University Country: Korea Publications
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Detail Information
Publications
Applicability of a continuous-flow system inner-coated with S-doped titania for the photocatalysis of dimethyl sulfide at low concentrationsWan K Jo
Department of Environmental Engineering, Kyungpook National University, Sankeok dong, Buk Gu, Daegu 702 701, Korea
J Environ Manage 91:2059-65. 2010..79 ppm = 790 ppb), generated over the photocatalytic process with the highest dimethyl sulfide input concentration, exceeded the odor threshold value of 0.1-3.6 ppb for dimethyl disulfide...- Actual commuter exposure to methyl-tertiary butyl ether, benzene and toluene while traveling in Korean urban areasJin-Woo Lee
Department of Environmental Engineering, Kyungpook National University, Taegu, South Korea
Sci Total Environ 291:219-28. 2002..Meanwhile, some spurious gasoline sold during the experimental periods appears to have elevated the in-car and in-bus exposures to toluene compared with those reported by some previous studies conducted in the same study area... - Exposure to volatile organic compounds for individuals with occupations associated with potential exposure to motor vehicle exhaust and/or gasoline vapor emissionsW K Jo
Department of Environmental Engineering, Kyungpook National University, Bukgu Taegu, South Korea
Sci Total Environ 269:25-37. 2001..For all the target compounds except toluene, storekeepers exhibited similar levels of exposure for all store types. Print shopkeepers recorded the highest toluene exposure... - Workplace exposure to bioaerosols in pet shops, pet clinics, and flower gardensWan Kuen Jo
Department of Environmental Engineering, Kyungpook National University, 1370 Sankeok dong, Bukgu, Daegu 702 701, Republic of Korea
Chemosphere 65:1755-61. 2006..The microbial concentration ratio of indoor air to outdoor air depended upon the facility and season... - Exposure levels of airborne bacteria and fungi in Korean swine and poultry shedsWan Kuen Jo
Department of Environmental Engineering, Kyungpook National University, Daegu, Republic of Korea
Arch Environ Occup Health 60:140-6. 2005..Another finding was that the use of a sanitary mask may reduce stock farmers' exposure to bioaerosols... - Head-space, small-chamber and in-vehicle tests for volatile organic compounds (VOCs) emitted from air fresheners for the Korean marketWan Kuen Jo
Department of Environmental Engineering, Kyungpook National University, Daegu 702 701, Republic of Korea
Chemosphere 70:1827-34. 2008..Consequently, it was suggested that unlike limonene, the emission strength for aromatic compounds identified in the chamber tests was not strong enough to elevate in-vehicle levels... - Application of visible-light photocatalysis with nitrogen-doped or unmodified titanium dioxide for control of indoor-level volatile organic compoundsWan Kuen Jo
Department of Environmental Engineering, Kyungpook National University, Daegu 702 701, Republic of Korea
J Hazard Mater 164:360-6. 2009..Consequently, it is suggested that with appropriate photocatalytic conditions, a visible-light-assisted N-doped photocatalytic system is clearly an important tool for improving IAQ... - Naphthalene emissions from moth repellents or toilet deodorant blocks determined using head-space and small-chamber testsWan Kuen Jo
Department of Environmental Engineering, Kyungpook National University, Daegu 702 701, Korea
J Environ Sci (China) 20:1012-7. 2008..The emission factor for naphthalene was nearly 100 times higher for a ball MR than for a gel or a paper MR. For the ball MR, the lower ACH level resulted in higher emission rate... - Airborne fungal and bacterial levels associated with the use of automobile air conditioners or heaters, room air conditioners, and humidifiersWan Kuen Jo
The Department of Environmental Engineering, Kyungpook National University, Daegu, Korea
Arch Environ Occup Health 63:101-7. 2008..The use of automobile heaters and household humidifiers could suppress in-vehicle and in-room microbial concentrations... - Feasibility of a tandem photocatalytic oxidation-adsorption system for removal of monoaromatic compounds at concentrations in the sub-ppm-rangeWan Kuen Jo
Department of Environmental Engineering, Kyungpook National University, Bukgu, Daegu, Republic of Korea
Chemosphere 77:236-41. 2009..Consequently, it is suggested that the PCO-adsorption hybrid system has a synergistic advantage of photocatalysis and adsorption in regards to the BTEX elimination process... - Visible-light-activated photocatalysis of malodorous dimethyl disulphide using nitrogen-enhanced TiO2W K Jo
Department of Environmental Engineering, Kyungpook National University, Sankeok dong, Buk Gu, Daegu, 702 701, Korea
Environ Technol 31:575-84. 2010..Methanol was identified as a gaseous by-product. In addition, the backup adsorption unit could be effectively utilized to remove methanol, under a broad indoor pollution level (0.027-5.4 ppm), as well as DMDS exiting from the PCO units... - Photocatalytic decomposition of mobile-source related pollutants using a continuous-flow reactorWan Kuen Jo
Department of Environmental Engineering, Kyungpook National University, Sankeokdong, Bukgu, Daegu, 702 701, South Korea
J Environ Sci (China) 22:460-6. 2010..Moreover, it was confirmed that trichloroethylene at urban-ambient level also could enhance the degradation efficiency of naphthalene when applying the PCO technology inside vehicles... - Personal exposure of graduate students attending the college of natural sciences or social sciences to volatile organic compounds on campusWan Kuen Jo
Department of Environmental Engineering, Kyungpook National University, Daegu 702 701, Republic of Korea
Chemosphere 81:1272-9. 2010.... - Removal of dimethyl sulfide utilizing activated carbon fiber-supported photocatalyst in continuous-flow systemW K Jo
Department of Environmental Engineering, Kyungpook National University, Daegu, Republic of Korea
J Hazard Mater 191:234-9. 2011..Consequently, the continuous-flow ACF/TiO(2) system could effectively be applied to control DMS without any significant functional deterioration... - Feasibility of light-emitting diode uses for annular reactor inner-coated with TiO2 or nitrogen-doped TiO2 for control of dimethyl sulfideWan Kuen Jo
Department of Environmental Engineering, Kyungpook National University, Daegu, Korea
Photochem Photobiol 87:1016-23. 2011..Consequently, it was suggested that LEDs can still be energy-efficiently utilized as alternative light sources for the PD of DMS, under the operational conditions used in this study... - Analysis of roadside inhalable particulate matter (PM10) in major Korean citiesWan Kuen Jo
Department of Environmental Engineering, Kyungpook National University, Daegu, 702 701, Korea
Environ Manage 36:826-41. 2005..Finally, the current results confirmed that attention should be given to the PM10 exposure of residents living near roadways... - Exposure to volatile organic compounds in residences adjacent to dyeing industrial complexWan Kuen Jo
Department of Environmental Engineering, Kyungpook National University, Daegu, Korea
Int Arch Occup Environ Health 77:113-20. 2004..The present study was designed to evaluate residential exposure to selected volatile organic compounds (VOCs) relative to the proximity of the Daegu dyeing industrial complex (DDIC)... - Evaluation of CO exposure in active smokers while smoking using breath analysis techniqueWan Kuen Jo
Department of Environmental Engineering, Kyungpook National University, 1370 Sankeok dong, Bukgu, Daegu 702 701, South Korea
Chemosphere 53:207-16. 2003..Accordingly, most of the current results indicated that CO was accumulated in the human body with repeated active smoking... - In-vehicle exposure to aldehydes while commuting on real commuter routes in a Korean urban areaWan Kuen Jo
Department of Environmental Engineering, Kyungpook National University, Taegu 702 701, Korea
Environ Res 88:44-51. 2002..Similarly, the mean in-bus concentrations were 21.2 and 9.1 ppb for formaldehyde and acetaldehyde, respectively. Furthermore, the in-vehicle formaldehyde levels were higher than those of a previous California study... - Evaluation of exposure to carbon monoxide associated with passive smokingWan Kuen Jo
Department of Environmental Engineering, Kyungpook National University, Daegu 702 701, South Korea
Environ Res 94:309-18. 2004..In addition, workplace exposure to CO from passive smoking was found to be the most important contributor to the daily CO exposure of nonsmoking recreation workers... - Heterogeneous photocatalysis of aromatic and chlorinated volatile organic compounds (VOCs) for non-occupational indoor air applicationWan Kuen Jo
Department of Environmental Engineering, Kyungpook National University, 1370 Sankeok dong, Bukgu, Daegu 702 701, South Korea
Chemosphere 57:555-65. 2004..Accordingly, a PCO reactor would appear to be an important tool in the effort to improve non-occupational indoor air quality... - Exposure to methyl tertiary butyl ether and benzene in close proximity to service stationsW K Jo
Department of Environmental Engineering, Kyungpook National University, Taegu, Korea
J Air Waste Manag Assoc 51:1122-8. 2001..05). In addition, the breathing zone concentrations were significantly higher during summer than during winter for both drivers and attendants (p < 0.05)... - Multi-route trihalomethane exposure in households using municipal tap water treated with chlorine or ozone-chlorineWan Kuen Jo
Department of Environmental Engineering, Kyungpook National University, Daegu 702 701, Korea
Sci Total Environ 339:143-52. 2005..The THM exposure estimates from tap water ingestion were similar to those from showering... - Public bus and taxicab drivers' work-time exposure to aromatic volatile organic compoundsW K Jo
Department of Environmental Engineering, Kyungpook National University, Taegu, 702 701, Korea
Environ Res 86:66-72. 2001..Meanwhile, based on comparison of the calculated in-vehicle concentrations with those from a previous study, the VOC levels inside public buses and taxicabs were found to be lower than those inside automobiles... - Characteristics of roadside air pollution in Korean metropolitan city (Daegu) over last 5 to 6 years: temporal variations, standard exceedances, and dependence on meteorological conditionsWan Kuen Jo
Department of Environmental Engineering, Kyungpook National University, 1370 Sankeok dong, Bukgu, Daegu 702 701, Korea
Chemosphere 59:1557-73. 2005.... - Indoor and outdoor bioaerosol levels at recreation facilities, elementary schools, and homesWan Kuen Jo
Department of Environmental Engineering, Kyungpook National University, Daegu, Republic of Korea
Chemosphere 61:1570-9. 2005..Consequently, the current findings suggest the need for reducing strategy for indoor microorganisms at the surveyed microenvironments... - Comparison of outdoor and indoor mobile source-related volatile organic compounds between low- and high-floor apartmentsWan Kuen Jo
Department of Environmental Engineering, Kyungpook National University, Daegu 702 701, South Korea
Environ Res 92:166-71. 2003..05). Plus, the outdoor and indoor VOC concentrations were significantly different between the daytime and nighttime data sets for both low- and high-floor apartments, with a P value of less than or close to 0.05... - Characteristics of indoor and outdoor bioaerosols at Korean high-rise apartment buildingsJi-Hyun Lee
Department of Environmental Engineering, Kyungpook National University, Daegu, Republic of Korea
Environ Res 101:11-7. 2006..The difference in the total bacterial concentrations was not significant among the surveyed five rooms. The GM total fungal and Cladosporium concentrations, however, were significantly higher for the kitchen than for the other rooms... - Elemental composition and source characterization of airborne PM(10) at residences with relative proximities to metal-industrial complexMo-Keun Kim
Department of Environmental Engineering, Kyungpook National University, 702-701, Daegu, Korea
Int Arch Occup Environ Health 80:40-50. 2006.... - Volatile pollutants emitted from selected liquid household productsKi Dong Kwon
Department of Indoor Environment, National Institute of Environment Research, Incheon, South Korea
Environ Sci Pollut Res Int 15:521-6. 2008..Consequently, the current study evaluated the emission composition for 42 liquid household products sold in Korea, focusing on five product classes (deodorizers, household cleaners, color removers, pesticides, and polishes)... - Characterization of emissions composition for selected household products available in KoreaKi Dong Kwon
Department of Indoor Environment, National Institute of Environment Research, Incheon, Republic of Korea
J Hazard Mater 148:192-8. 2007..2%), ethanol (30.5%), acetone (18.6%), alpha-pinene (18.6%), o,m,p-xylenes (18.6%), decane (17.0%), toluene (17.0%), beta-myrcene (11.9%), ammonia (10.2%), ethylbenzene (10.2%), and hexane (10.2%)...