検索条件

閉じる

検索結果 984 件

JaLCDOI 10.18926/AMO/30359
フルテキストURL fulltext.pdf
著者 Tanizaki, Yoshiro| Komagoe, Haruki| Sudo, Michiyasu| Morinaga, Hiroshi| Kitani, Hikaru| Tada, Shinya| Takahashi, Kiyoshi| Kimura, Ikuro|
抄録

Anti-IgE-induced histamine release from basophils was examined in 46 asthmatic subjects using a whole blood method. Basophils from subjects less than 30 years old released more histamine than those from subjects aged 41 to 50. The age at onset of the disease also affected the reactivity of basophils to anti-IgE: basophils showed a high response in subjects whose age at onset was between 0 and 10 years, and low response in the subjects whose age at onset was between 41 and 50 years. There was a correlation between histamine release and serum IgE levels. However, individual dose-response curves of histamine release varied greatly in whom serum IgE levels were low.

キーワード histamine release whole blood patient age age a? onset serum IgE levels
Amo Type Article
出版物タイトル Acta Medica Okayama
発行日 1984-06
38巻
3号
出版者 Okayama University Medical School
開始ページ 275
終了ページ 280
ISSN 0386-300X
NCID AA00508441
資料タイプ 学術雑誌論文
言語 英語
論文のバージョン publisher
査読 有り
PubMed ID 6205544
Web of Science KeyUT A1984SY25800008
JaLCDOI 10.18926/AMO/30325
フルテキストURL fulltext.pdf
著者 Tanizaki, Yoshiro| Komagoe, Haruki| Sudo, Michiyasu| Morinaga, Hiroshi| Kitani, Hikaru| Tada, Shinya| Takahashi, Kiyoshi| Kimura, Ikuro|
抄録

The correlation between blood eosinophilia and anti-IgE-mediated histamine release was investigated in 22 bronchial asthma patients with peripheral eosinophilia (over 8%). In the cases (Group A-1 and Group A-2) in which house dust was the specific antigen, significant histamine release from basophils was induced by anti-IgE and house dust. The result indicates a relationship between eosinophilia and the IgE-mediated mechanism of disease onset. In the cases (Group A-3) with RAST scores of 0+ and 1+ to house dust, the anti-IgE-induced histamine release varied from low to high percentages, and the participation of the IgE-mediated pathway was indicated in some cases. In the cases (Group B) with negative skin reactions, few patients had a family history of allergic disease. Their ages at onset were higher, and they demonstrated lower total IgE levels. These cases showed an extremely low percent of histamine release from basophils, which indicated the absence of a correlation between eosinophilia and IgE-mediated mechanisms.

キーワード blood eosinophilia histamine release IgE-mediated reaction asthma
Amo Type Article
出版物タイトル Acta Medica Okayama
発行日 1984-12
38巻
6号
出版者 Okayama University Medical School
開始ページ 525
終了ページ 531
ISSN 0386-300X
NCID AA00508441
資料タイプ 学術雑誌論文
言語 英語
論文のバージョン publisher
査読 有り
PubMed ID 6084401
Web of Science KeyUT A1984TX98000005
著者 Takahashi, Norio| Suenaga, Ryousuke| Miyata, Koji| Ohashi, Ken|
発行日 2006-5
出版物タイトル Magnetics Conference
資料タイプ 学術雑誌論文
著者 Nakata, Takayoshi| Takahashi, N.| Fujiwara, K.| Muramatsu, Kazuhiro|
発行日 1990-3
出版物タイトル Magnetics
26巻
2号
資料タイプ 学術雑誌論文
著者 Kohmoto, Osamu| Yoshitomi, Yasumasa| Murakami, Hiroki|
発行日 2005-10
出版物タイトル Magnetics
41巻
10号
資料タイプ 学術雑誌論文
著者 Inoue, Akira| Yanou, Akira| Sato, Takao| Hirashima, Yoichi|
発行日 2001-6
出版物タイトル American Control Conference
4巻
資料タイプ 学術雑誌論文
著者 Michinishi, Hiroyuki| Yokohira, Tokumi| Okamoto, Takuji|
発行日 1992-11-26
出版物タイトル Test Symposium
資料タイプ 学術雑誌論文
フルテキストURL fulltext.pdf
著者 Imai, Jun| Wada, Kiyoshi|
キーワード error analysis flexible structures frequency-domain analysis linear programming modelling parameter estimation uncertain systems
備考 Print ISBN: 0-7803-6638-7|
発行日 2000-12
出版物タイトル Proceedings of the 39th IEEE Conference on Decision and Control
4巻
出版者 IEEE
開始ページ 3780
終了ページ 3784
ISSN 0191-2216
NCID BA51644536
資料タイプ 学術雑誌論文
言語 英語
OAI-PMH Set 岡山大学
著作権者 © 2000 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
論文のバージョン publisher
DOI 10.1109/CDC.2000.912298
Web of Science KeyUT 000172029000684
著者 Imai, Jun| Ando, Yasuaki| 小西 正躬|
発行日 2003-12
出版物タイトル Decision and Control
資料タイプ 学術雑誌論文
著者 Tsujita-Kyutoku, Miki| Yuri, Takashi| Danbara, Naoyuki| Senzaki, Hideto| Kiyozuka, Yasuhiko| Uehara, Norihisa| Takada, Hideho| Hada, Takahiko| Miyazawa, Teruo| Ogawa, Yutaka| Tsubura, Airo|
発行日 2004-04-26
出版物タイトル Breast Cancer Research
6巻
4号
資料タイプ 学術雑誌論文
JaLCDOI 10.18926/21349
タイトル(別表記) SPECTROPHOTOMETRIC DETERMINATION OF ZIRCONIUM
フルテキストURL pitsr_029_001_006.pdf
著者 奥野 孝晴| 阪上 正信|
抄録 Neo-Thorin was previously presented by the other authers as a color-developing reagent for the spectrophotometric determination of zirconium. 1) To determine the optimum condition for the use of this method, the effects of pH, time and temperature, and the interference of several ions were checked. The following conclusions were derived from the experimental results: Absorption curve-- The zirconium Neo-Thorin complex salt shows a maximum absorption at 580 mμ against Neo-Thorin (Figs. 1 and 2). Effect of pH-- The complex salt gives a maximum absorption at pH 1. 7 (Fig. 3). Effect of time and temperature-- Color absorption is stable for a period of 15 to 200 minutes after color development at room temperature. Heating over 40°C is harmful, because of the formation of a purple precipitation. Interference by several ions-- Cations UO(2)(2+) and Fe(3+) besides Th(4+), considerably interfer with color development. The absorption of 2000 μg U corresponds to that of 10 μg Zr (Fig. 4). However, interference by Fe(3+) becomes negligible if hydroxylamine hydrochloride is added. 2) As a result of the above conclusions, the following procedure is recommended: Procedure recommended-- A few ml of sample solution, 1 ml of 20% hydroxylamine hydrochloride and 1 ml of dilute acid, if necessary, are mixed and diluted to 9 ml. To this solution, 1 ml of 0.05% Neo-Thorin is added. The pH value of the final solution is 1.7. From 15 to 200 minutes after mixing, color absorption is measured at 575 mμ. In the range of 0 to 150 μg Zr per 10 ml, the color absorption of the complex salt obeys Beer's law (Fig. 5). 3) In demonstration, this method was applied to the determination of zirconium in a uranium mineral. Table 1 shows the zirconium content of beta-uranophane from Katamo Mine, Tottori-ken.
出版物タイトル 岡山大学温泉研究所報告
発行日 1961-06-25
29巻
開始ページ 1
終了ページ 6
ISSN 0369-7142
言語 日本語
論文のバージョン publisher
NAID 120002310976
JaLCDOI 10.18926/21330
タイトル(別表記) The Effect of A Single Bath in Radioactive Hot Spring Water on Variability in Electrocardiograms of Patients with Internal Diseases (1) Repeat Variability in Electrocardiograms of the 100 Patients without Bathing
フルテキストURL pitsr_033_029_038.pdf
著者 北山 稔| 河田 義郎|
抄録 The authors studied time-to-time variability of 100 patients with internal diseases in 100 ECG's over a period of 15 minutes. The variavirity were observed on eleven electrocardiographic items which were measured in 12 leads (I~III, (a)V(R)~(a)V(F), V(1~6)). The electrocardiograms were recorded by same technician, who carefully recorded in confomity to the description on the variability due to techinical and biologocal sources in Simonson's writing and were measured by one of the authors. Frequency distribution of differences between each two electrocardiograms of the same patients are shown in Figures (from 1 to 11) and 5% rejection limits of these differences, which were calculated in use of the stochastics, were as follows : P duration (sec. ) : + 0.022 >X(0)> - 0.021 P-Q duration (sec.) : + 0.029 >X(0)> - 0.024 QRS duration (sec.) : + 0.018 > X(0)> - 0.013 R-R interval (sec.) : + 0.168 >X(0)> - 0.141 QT Ratio (%) + 10.01 >X(0)> - 7.89 QT(c) : + 0.032 >X(0)> - 0.022 P/PR segment : + 0.914 >X(0)> - 0.832 QT/TQ + 0.192 >X(0)> - 0.190 T/R V(5) : + 0.116 >X(0)> - 0.090 AQRS (front. plane) : + 13. 29°>X(0)> - 13.83° AT (front. Plane) : + 14.88°>X(0)> - 16.94°
出版物タイトル 岡山大学温泉研究所報告
発行日 1964-03-25
33巻
開始ページ 29
終了ページ 38
ISSN 0369-7142
言語 日本語
論文のバージョン publisher
NAID 120002311006
JaLCDOI 10.18926/21215
タイトル(別表記) Studies on lithium in the field of balneology : Effects of lithium salts on analgesic activity of aminopyrine
フルテキストURL pitsr_045_025_031.pdf
著者 古野 勝志| 御船 政明|
抄録 The authors studied the effect of pretreatment with internal use of lithium salts on analgesic activity of aminopyrine by hot-plate test in mice. The male mice at 4 weeks of age weighting 17-19 g were divided into 7 groups. Earch group being composed of 9-10 mice was given oraBy 0.1 ml of LiCI-solution per 10 g of body weight for 35 days, LiCl was dissolved in 0.9% saline solution, in such concentrations that each group received 0 mg, 50 mg, 100mg, 200 mg and 400mg of LiCl for each kg of body weight of mouse, respectively, Control group received only 0.9% saline solution. On the 1st, 3rd, 7th, 14th, 21st, 28th and 35th days of this experiment, 0.1 ml of 1% solution of aminopyrine per 109 of body weight was injected intraperitoneaJly and then tested 30 minutes later. In the hot-plate test, a mouse is placed on a hot plate being adjusted with the thermostat at 55°±1℃, and the response is licking or lifting the hind feet or an outright attempt to escape from the plate, The increase in response time is used to quantify the analgesic effect of aminopyrine, The results were as follows : 1. The response time in groups receiving 0-50 mg of LiCl per kg of body weight had decreased on the 14 th day, but it tended to return to the initial level after the 21st day of experiment. 2. The response time in groups receiving 100-400 mg of LiCl per kg of body weight had also decreased on the 14 th day, and the degree of the decrease in response time was greater than that of the former and then remained faily constant at this level to the end of the observation period. These results would indicate that LiCl inhibits the analgesic activity of aminopyrine.
出版物タイトル 岡山大学温泉研究所報告
発行日 1976-03-25
45巻
開始ページ 25
終了ページ 31
ISSN 0369-7142
言語 日本語
論文のバージョン publisher
NAID 120002311002
JaLCDOI 10.18926/21180
タイトル(別表記) Determination of boron in thermal waters by emission spectrophotometry using "Spectraspan"
フルテキストURL pitsr_048_035_041.pdf
著者 御船 政明| 青木 宏子| 鉄本 潤子| 古野 勝志| 森永 寛|
抄録 A plasma emission spectrophotometer "Spectraspan" (low power d. c. plasma arc, operating on argon) was evaluated for boron determination in thermal waters. The influence of acids (hydrochloric, nitric and sulfuric acids) and several metallic ions (Na(+). K(+), Mg(2+). Ca(2+)) on emission intensity was studied. There was a linear relationship between emission intensity and boron content from 0 to 500 mg/l. Boron in thermal waters was easily determined by standard addition method. Precision. coefficient of variance and recoveries of known amount of boron added to the sample for 11 repricate analyses were 0.12μg/ml, 2.02%, 95.0-101.7%, respectively. Boron content of 27 thermal waters in the Sanin district was determined. and the highest B content in the sample waters were 8.8 mg/l (Tottori spa) in Tottori Prefecture and 14.6-25.0 mg/l (the thermal springs at the foot of Mt. Sanbe. a non-active quaternary volcano) in Shimane Prefecture. The relationships between B content and water temperature, B content and pH value were not recognized. Significantly positive correlationship was observed between Band Li contents.
出版物タイトル 岡山大学温泉研究所報告
発行日 1979-03-25
48巻
開始ページ 35
終了ページ 41
ISSN 0369-7142
言語 日本語
論文のバージョン publisher
NAID 120002311017
JaLCDOI 10.18926/21169
タイトル(別表記) Ammonium content of Archean rocks of the Superior Province
フルテキストURL pitsr_049_007_013.pdf
著者 本間 弘次| Schwarcz Henry P.|
抄録 Ammonium contents were determined for clastic sediments and associated volcanic rocks of the Kirkland Lake area, Abitibi greenstone- granite belt and metamorphic, migmatitic and granitic rocks of the Ear Falls-Dryden area, English River gneiss-granite belt. The NH(4) centents of Archean volcanic rocks (2700~2710m.y.) are very low (0~6 ppm) and immature argillites have also low contents of NH(4) (27~43ppm). On the other hand, a black shale from the Timiskaming Group (2100m.y.) are rich in graphite and pyrite and contain much NH4 (130ppm), providing a firm evidence of relatively abundant presence of an Archean biota compared with a sparcity of morphological record of Archean fossils. The NH(4) content of the rock mentioned above is about a third of those of the upper Proterozoic sediments and it remains to be established whether it reflects the abrupt break in the evolution of life near the Archean-Proterozoic boundary or not. A considerable amount of NH(4) is inherited by highly metamorphic pelitic gneisses and there may be a possibility for indirect prospection of early life by a study of NH(4) in highly metamorphic rocks of the early Archean. It was also found that the gneissic granitoid has much higher content of NH(4) than the post· kinematic massive granitoid.
出版物タイトル 岡山大学温泉研究所報告
発行日 1979-09-25
49巻
開始ページ 7
終了ページ 13
ISSN 0369-7142
言語 日本語
論文のバージョン publisher
NAID 120002310965
JaLCDOI 10.18926/21163
タイトル(別表記) Determination of lithium in serum by emission spectrophotometry using "Spectraspan"
フルテキストURL pitsr_050_043_048.pdf
著者 御舩 政明|
抄録 Lithium in serum was determined by a plasma emissionspectrophotometer "Spectraspan" (low power d.c. plasma are, operating on argon). The opitimum condition for ashing of serum by low temperature was studied. The influences of hydrochloric acid and several metallic ions (Na, K, Mg, Ca) on emission intensity were examined. There was a linear relationship between emission intensity and lithium content from 0 to 10μg/ml. Lithum in serum was easily determined by standard addition method. Precision, coefficient of variance and recovery of known amount of lithium added to the sample for 12 replicate analyses were 0.093μg/ml, 1.85%, 99-104%, respectively. Significantly positive correlationship was observed between emission spectrophotometry using spectraspan and atomic absoption spectrophotometry.
出版物タイトル 岡山大学温泉研究所報告
発行日 1980-03-25
50巻
開始ページ 43
終了ページ 48
ISSN 0369-7142
言語 日本語
論文のバージョン publisher
NAID 120002311034
JaLCDOI 10.18926/21158
タイトル(別表記) Experimental study of sulfur isotope exchange between S0(4)(2-) and H(2)S (aqueous) at 400℃ and 1000 bars water pressure
フルテキストURL pitsr_050_001_015.pdf
著者 鎌田 恵美| 酒井 均| 木島 宣明|
抄録 Experimental procedures used in this study are the same as those developed by Sakai and Dickson (1978). 0.005 M Na(2)S(2)O(3) solutions were heated to 400℃ under 1000 bar water pressure in a gold bag of Dickson gold-bag equipment (Fig. 1). At an elevated temperature Na(2)S(2)O(3) quickly and completely decomposed into 1:1 mixture of SO(4)(2-) and H(2)S (eq. (1)) and subsequent isotope exchange (eq. (2)) was monitored by consecutively withdrawing aliquots of solution for chemical and isotopic analyses at desired time intervals. For the preparation of SO(2) for isotope analyses, 2 to 5 mg BaSO(4) was thoroughly mixed with silica glass powder of 10 times the BaSO(4) in weight and heated to 1400℃ or so in sealed, evacuated silica glass tubings (see Fig. 2 and equation (4)). The technique is a modification of Holt and Engelkemeir (1971). The (18)O/(16)O ratios of SO(2) thus formed stayed constant by exchange with silica glass powder (Fig. 3). Numerical data of the three runs performed in this study are summarized in Tables 1 to 3. In runs 2 and 3, a small aliquot of (34)S- enriched H(2)SO(4) was added into the starting solution and thus equilibrium was approached from above the quilibrium value (see Fig. 4). When isotope exchange occurs between two molecules, X and Y, the reaction rate, r, is related to the extent of exchange, F, at given time, t, by equation (17), where X and Y indicate concentrations of given species, α(e), α(o) and α denote the fractionation factor at equilibrium, at time t=0 and at an arbitrary time t, and F = (α - α(o))/(α(e) - α(0)) or the extent of isotope exchange. Assuming the exchange rate is of the first order with respect to both X and Y and to the β'th power of hydrogen ion activity, a(H)(+), eq. (17) reduces to eq. (19), where k(1) denotes the rate constant. If X, Y and pH of solution stayed constant during the run, the half-time, t(1/2), of the exchange reaction can be obtained graphically as shown in Fig. 5. The t(1/2) for runs 1, 2, and 3 are determined to be 5.8, 5.5 and 6.1 hrs, respectively. Introducing F=0.5 and t=t(1/2) into eq. (19), we obtain eq. (20) which is graphically shown in Fig. 6 using the data by the present work and those by Sakai and Dickson(1978). The numerical values of log k(1) + 0.16 may be obtained by extrapolating the lines to pH=0 and, from these values, the rate constant, k(1) , may be calculated for temperatures of 300° and 400℃. From these two values of k(1) and from the Arrhenius plot, the activation energy of the exchange reaction was calculated to be 22 kcal/mole, a much smaller value than 55 kcal/mole obtained by Igumnov (1977). The value of β is found to be 0.29 at 300℃ and 0.075 at 400℃, although the physico-chemical nature of β is not clear to the present authors. Using these values, eq. (24), where C is a constant, is derived which would enable us to calculate the t(1/2) of any system of known ΣS and pH. However, as we do not know yet how β varies with different systems, eq. (24) is applicable only to limited systems in which temperature, total sulfur contents and pH are similar to those of the present study. Fig. 7 illustrates how t(1/2) varies with pH and total sulfur content at 300° and 400℃ and predicts t(1/2) for some solutions obtainable by hydrothermal reactions of seawater with various igneous rocks. The average equilibrium fractionation factor at 400℃ obtained by this study is 1.0153, in good accord with 1.0151 given by Igumnov et al. (1977). Theoretical fractionation factors between SO(4)(2-) and H(2)S have been calculated by Sakai (1968) , who gives too high values compared to the experimental data obtained by this and other researchers (Fig. 9). In the present study, the reduced partition function ratio (R.P.F.R.) of SO(4)(2-) was recalculated using two sets of the vibrational frequencies of SO(4)(2-) (shown in Table 5) and the valence force fields of Heath and Linnett (1947), which reproduces the observed frequencies of SO(4)(2-) better than Urey-Bradley force field used by Sakai (1968). The results of new calculation are shown in Table 6. This table also includes the R.P.F.R. of H(2)S which was calculated by Thode et al. (1971). Using these new R.P.F.R. of SO(4)(2-) and H(2)S, the fractionation factors between SO(4)(2-) and H(2)S were calculated and are listed in the last column of Table 6 and plotted in Fig. 9. Fig. 9 indicates that the new calculation gives values more shifted from the experimental values than before. The major sulfate ions in our solution at 300° and 400℃ exist as NaSO(4)(-) (Sakai and Dickson, 1978; see also Table 4 of this paper) and, therefore, the measured fractionation factors are those between NaSO(4)(-) and H(2)S. The discrepancy between the theory and experiments may, at least, be partially explained by this fact, although other more important reasons, which are not known to us at the moment, may also exist.
出版物タイトル 岡山大学温泉研究所報告
発行日 1980-03-25
50巻
開始ページ 1
終了ページ 15
ISSN 0369-7142
言語 日本語
論文のバージョン publisher
NAID 120002310990
著者 岡山大学医学部附属環境病態研究施設,岡山大学医学部附属病院三朝分院|
発行日 1986-07
出版物タイトル 環境病態研報告
57巻
資料タイプ その他
著者 岡山大学医学部附属環境病態研究施設,岡山大学医学部附属病院三朝分院|
発行日 1987-08
出版物タイトル 環境病態研報告
58巻
資料タイプ その他
著者 岡山大学医学部附属環境病態研究施設,岡山大学医学部附属病院三朝分院|
発行日 1988-08
出版物タイトル 環境病態研報告
59巻
資料タイプ その他