Y Johyama
Overview
Explore the profile of Y Johyama including associated specialties, affiliations and a list of published articles.
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7
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4
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0
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Recent Articles
1.
Yokota K, Johyama Y, Yamaguchi K, Fujikt Y, Takeshita T, Morimoto K
Environ Health Prev Med
. 2011 Mar;
1(3):133-5.
PMID: 21432436
Methylterahydrophthalic anhydride (MTHPA) is used as a hardening agent in an epoxy resin system. Because work-related nasal symptoms were observed in some workers exposed toMTHPA at two condenser plants, a...
2.
Yokota K, Johyama Y, Miyaue H, Matsumoto N, Yamaguchi K
Ind Health
. 2002 Jan;
39(4):347-52.
PMID: 11758999
Acid anhydrides are low-molecular weight chemicals known to cause respiratory irritancy and allergy. Skin allergy has on rare occasions been reported. A total of 3 subjects with occupational exposure to...
3.
Yokota K, Johyama Y, Yamaguchi K
Ind Health
. 2000 Aug;
38(3):269-72.
PMID: 10943073
In an electronics plant, 2 one-component epoxy coatings containing a modified polyamine hardener were used as covering materials for protecting important information on police radio circuit boards. The resinous parts...
4.
Johyama Y, Yokota K, Fujiki Y, Takeshita T, Morimoto K
Ind Health
. 1999 Nov;
37(4):364-8.
PMID: 10547951
Methyltetrahydrophthalic anhydride (MTHPA) stimulates the production of specific IgE antibodies which can cause occupational allergy even at extremely low levels of exposure (15-22 micrograms/m3). Safe use in industry demands control...
5.
Yokota K, Johyama Y, Yamaguchi K, Takeshita T, Morimoto K
Int Arch Occup Environ Health
. 1999 Feb;
72(1):14-8.
PMID: 10029225
Objective: To examine exposure-response relationships in the occurrence of symptoms of the eyes and airways in workers exposed to methyltetrahydrophthalic anhydride (MTHPA). Methods: A population of 111 workers from 2...
6.
Yokota K, Johyama Y, Yamaguchi K, Fujiki Y, Takeshita T, Morimoto K
Occup Environ Med
. 1998 Jan;
54(9):667-70.
PMID: 9423580
Objectives: To examine an association between specific IgE to methyltetrahydrophthalic anhydride (MTHPA) and exposure time, atopic history, smoking habits, and total IgE concentrations. Methods: A cross sectional survey was carried...
7.
Yokota K, Johyama Y, Yamaguchi K, Fujiki Y, Takeshita T, Morimoto K
Scand J Work Environ Health
. 1997 Jun;
23(3):214-20.
PMID: 9243732
Objectives: Occupational exposure to methyltetrahydrophthalic anhydride (MTHPA) from an epoxy resin was studied to evaluate the nature of reported ocular and nasal complaints and some risk factors for sensitization. Methods:...