詳細検索結果

The production of nematode-immobilizing secretory cells by Climacodon septentrionalis

Joey
B
. Tanney, Leonard J. Hutchison

Mycoscience
2012年 53 巻 1 号 31-35
発行日: 2012年
公開日: 2023/03/31

DOI https://doi.org/10.1007/s10267-011-0128-1

ジャーナルオープンアクセス

抄録を表示する抄録を非表示にする

The ability of Climacodon septentrionalis to immobilize and kill a mycophagous nematode (Aphelenchoides sp.) in vitro is described for the first time. Two isolates produced droplets (20–45 μm in diameter) that formed at the apices of tall, stalked, and branching secretory cells (700–
1
,500 μm tall). On 2% modified malt extract agar, nematodes became enveloped in the droplets, which restricted their ability to move and resulted in complete immobilization and death within several hours of contact. The rate of decomposition of the nematodes varied considerably, with most individuals persisting for weeks whereas others were degraded within several days and appeared to be colonized by dense hyphal growth. This study provides the first documentation of a non-agaricoid fungus producing secretory cells that are able to immobilize nematodes.

抄録全体を表示

PDF形式でダウンロード (175K)
CONTINUOUS SHIFTWORKING IN PROCESS INDUSTRIES: DOES FIRM EFFICIENCY IMPLY HIGH HUMAN COSTS?

Cbesseredes HORTS

Journal of Human Ergology
1982年 11 巻 Supplement 号 429-440
発行日: 1982/12/15
公開日: 2011/02/23

DOI https://doi.org/10.11183/jhe1972.11.Supplement_429

ジャーナルフリー

PDF形式でダウンロード (1494K)
Optical Energy-Levels of Cu⁺

Yosizo YAMAMOTO

Nippon Sugaku-Buturigakkwai Kizi Dai 3 Ki
1940年 22 巻 12 号 1048-1052
発行日: 1940年
公開日: 2009/06/09

DOI https://doi.org/10.11429/ppmsj1919.22.12_1048

ジャーナルフリー

抄録を表示する抄録を非表示にする

The numerical values of the intervals betrween optieal levels are competed for the configurations
1s²2s²2p⁸3s²3p⁸3
*^{94s
, 5
s, 6
s and 7
s of Cu⁺, according to the general expression of energy-levels derived in the previous paper The self-consistent field radial functions computed by Hartree adn Hartree are used for1
s, 2s, 2p, 3s, 3p and 3d. Those of 4s, 5
s, e.s and are ealenlated from Hartree Hartree's core-functions by the numerical integrations. The calculated results are shown in Table I.The agreement with experiment is satisfactory
抄録全体を表示}

PDF形式でダウンロード (167K)
英国における過去半世紀 (1922～1972) 間の冶金用コークスの研究

George W. Lee

燃料協会誌
1973年 52 巻 3 号 171-177
発行日: 1973/03/20
公開日: 2010/06/28

DOI https://doi.org/10.3775/jie.52.171

ジャーナルフリー

PDF形式でダウンロード (1186K)
右房室弁の形態学的検索

その所属腱索および乳頭筋について

島田博

日本医科大学雑誌
1981年 48 巻 6 号 779-789
発行日: 1981/12/15
公開日: 2010/10/14

DOI https://doi.org/10.1272/jnms1923.48.779

ジャーナルフリー

抄録を表示する抄録を非表示にする

Although there have been numerous articles concerning the anatomy of the atrioventricular valve in man, only a few publications have recorded the relationship between the chordae tendineae and the papillary muscles. The purpose of this paper is to study the relationship among the shape and size of the atrioventricular valve, the chordae tendineae and the papillary muscles. 50 subjects, as listed in Table
1
, were analyzed by the Taniya-Hashimoto Method.
The results obtained were as follows:
1
) The right atrioventricular valve was classified into two types: 33 cases (66%) of three irregularly shaped cusps, i.
e
. type I, and 17 cases (34%) of four or five cusps, i.
e
. type II.
2) The average circumference of the right atrioventricular orifice (ostium atrioventriculare dextrum) was 11.96cm (
9
.63.15.06cm) in type I and 12.19cm (
9
.52.15.
22
cm) in type H. There existed no significant difference in the circumference of the atrioventricular orifice between type I and II.
3) The average length of the cusp-fundus (the length of the fixed margin of the cusp) was as follows:
type I: anterior cusp…………4.13cm (2.03-
6
.96cm)
posterior cusp…………3.62cm (
1
.21-
5
.44cm)
septalcusp……………4.21cm (3.11-
6
.08cm)
type II: anterior cusp…………4.10cm (2.68-
5
.42cm)
posterior cusp…………3.67cm (
0
.
94
-
5
.70cm)
septal cusp……………4.43cm (2.96-
6
.53cm)
4) The average width of the cusp (the maximum distance between the apex and the fundus of the cusp) was as follows:
type I: anterior cusp…………
1
.86cm (
1
.26-2.29cm)
posterior cusp…………
1
.62cm (
0
.62-2.
94
cm)
septal cusp……………
1
.76cm (
1
.15-2.72 cm)
type II: anterior cusp…………
1
.92cm (
1
.40-2.34cm)
posterior cusp…………
1
.72cm (
0
.
94
-2.42cm)
septal cusp……………
1
.84cm (
1
.14-2.53cm)
The length or width of the cusp in type I was similar to that in type II.
5
) The papillary muscles consisted of five groups, which were named the anterior, postlateral, postmedial, postseptal and septal muscles. The average number of the papillary muscles per right ventricle was
5
.
7
(2.
0
.
9
.
0
). The chordae tendineae from the anterior papillarymuscles were attached to the anterior and posterior cusps and those from the postlateral and postmedial muscles were attached to the posterior and septal cusps. The chordae tendineae from the postseptal muscles were linked only to the septal cusp and those from the septal muscles were connected to the septal and anterior cusps.
6
) The average number of the stems of the chordae tendineae from the papillary muscles were as follows:
From the anterior papillary muscles………
7
.2 (2.
0
-14.
0
)
the postlateral papillary muscles……3.
5
(
1
.
0
-8.
0
)
the postmedial papillary muscles……4.
0
(
1
.
0
-8.
0
) the postseptal papillary muscles……4.
5
(
1
.
0
-13.
0
) the septal papillary muscles………
5
.
7
(2.
0
-12.
0
)
The average n umber of the stems of the chordae tendineae per right ventricle was 24.4 (16.
0
-35.
0
).
7
) The tip of the chordae tendineae are attached to the fixed margin of the valve cusp, i.
e
. type A, to the ventricular surface, i.
e
. type
B
and to the free margin, i.
e
. type
C
. The average number of them were 23.4 (14.
0
-32.
0
) in type A, 19.2 (4.
0
-37.
0
) in type
B
and 68.
1
(31.
0
-105.
0
) in type
C
. The average number of the apexes of the chordae tendineae per right ventricle was 110.
7
(53.
0
-166.
0
).
8) The average number of the chordae tendineae for the anterior cusp was 34.
9
(12.
0
-64.
0
), for the posterior cusp 30.
5
(
5
.
0
-65.
0
) and for the septal cusp 45.3 (23.
0
-68.
0
).
抄録全体を表示

PDF形式でダウンロード (2809K)
Circuit Techniques to Enhance Linearity and Intrinsic Gain to Realize a
1
.2V, 200MHz, +10.3dBm IIP3 and
7
th-Order LPF in a 65nm CMOS

Yasuhiro SUGIMOTO, Kazuma SAKATOH

IEICE Transactions on Electronics
2013年 E96.C 巻 6 号 867-874
発行日: 2013/06/01
公開日: 2013/06/01

DOI https://doi.org/10.1587/transele.E96.C.867

ジャーナル認証あり

抄録を表示する抄録を非表示にする

Circuit techniques to enhance the linearity of input-voltage-to-current (V/I) conversion and to increase the output impedance of a current source by compensating for the low intrinsic gain of a transistor were introduced to realize a high-frequency operational transconductance amplifier (OTA) for a low supply voltage using sub-100-nm CMOS processes. Applying these techniques, a MOS
7
th-order Gm-
C
linear-phase low-pass filter (LPF) was realized using a 65nm CMOS process. A simplified biquad LPF that can serve as a component of a
7
th-order LPF was newly developed by replacing OTAs with resistors. As a result, the -3dB frequency bandwidth, group delay ripple, 3rd-order distortion, and 3rd-order input intercept point (IIP3) were 200MHz, 2.2%, ≤ -55dB with a 100MHz input, and +10.3dBm, respectively, all with a ±
0
.
1
Vp-p input signal at each input terminal in the pseudodifferential configuration. The LPF including an output buffer dissipated 60mW in the case of a
1
.2V supply. Wide spurious-free dynamic range (SFDR) characteristics were confirmed up to high frequencies.
抄録全体を表示

PDF形式でダウンロード (2544K)
Stimulative Effects of (
22E
,24R)-Ergosta-
7
,
22
-diene-3β,
5α
,
6β
-triol from Fruiting Bodies of Tricholoma auratum, on a Mouse Osteoblastic Cell Line, MC3T3-
E
1

Keishi Hata, Fuyuki Sugawara, Naganori Ohisa, Saori Takahashi, Kazuyuki Hori

Biological and Pharmaceutical Bulletin
2002年 25 巻 8 号 1040-1044
発行日: 2002年
公開日: 2002/08/01

DOI https://doi.org/10.1248/bpb.25.1040

ジャーナルフリー

抄録を表示する抄録を非表示にする

We screened the differentiation-inducing activities of 39 mushroom extracts from Akita prefecture, Japan, on the mouse osteoblastic cell line, MC3T3-
E
1
. Sixteen phosphate buffered saline (PBS), 8 boiled PBS, 14 ethanol and 12 methanol extracts induced alkaline phosphatase (ALP) activities, an indicator of MC3T3-
E
1
cell differentiation. The enzyme activities were markedly induced by extracts of Tricholoma auratum, and we isolated the active compound from methanol extracts of this mushroom. Physical data for the isolated active compound were identical to those for (
22E
,24R)-ergosta-
7
,
22
-diene-3β,
5α
,
6β
-triol (
1
).
1
induced ALP activities of MC3T3-
E
1
cells and promoted cell proliferation. To investigate the relationships between the chemical structure and differentiation-inducing activity of the compound, ALP-inducing activities of MC3T3-
E
1
cells by
1
, ergosterol (2), ergocalciferol (3), cholesta-3β,
5α
,
6β
-triol (4),
7
-dehydrocholesterol (
5
) and cholecalciferol (
6
) were tested. The enzyme activities of MC3T3-
E
1
cells were increased 3.
0
-fold by 10 μM
1
and 2.4-fold by 10 μM 4. However, 2, 3,
5
and
6
did not induce MC3T3-
E
1
cell ALP activity at
0
.
1
—10 μM. These results suggested that the OH groups at
C
-
5
and/or
C
-
6
of
1
and 4 played an important role in their differentiation-inducing activities on MC3T3-
E
1
cells. Furthermore,
1
suppressed induction of MC3T3-
E
1
cell apoptosis by serum starvation.
抄録全体を表示

PDF形式でダウンロード (125K)
抗生物質の生体内動態に関する基礎的研究

第1編血清蛋白との結合について

橋本孝夫

CHEMOTHERAPY
1973年 21 巻 1 号 38-44
発行日: 1973/01/25
公開日: 2011/03/08

DOI https://doi.org/10.11250/chemotherapy1953.21.38

ジャーナルフリー

抄録を表示する抄録を非表示にする

The binding of penicillin G and other 29 antibiotics to the bovine plasma proteins, a part of the pharmacokinetics of antibiotics, was investigated by the ultrafiltrating technique at 4°
C
.
As the rates of the binding, inactivation, recovery and binding activity, following values were obtained in order : 64.
9
to 82.
7
%, 11. 96 to 56.
85
%,
7
. 77 to 25. 75% and 8.
9
to 34. 11% in penicillin antibiotics;
0
to 61. 4%,
0
to 10. 66%,
0
. 49 to 12. 8% and 14. 91 to 41. 72% in glycoside antibiotics; 91.
0
to 99.
9
%, 16.
0
to 46. 19%, 44. 98 to 71. 01% and 4. 33 to 21. 06% in tetracycline antibiotics; 55.
22
to
94
.
1
%,
5
. 37 to 57. 36%,
1
. 32 to 31.
5
% and
9
. 66 to 40. 65% in macrolide antibiotics; and 72.
6
to 95. 68%, 14. 34 to 51.
85
%, 8. 19 to 30. 12%, and 17. 28 to 41. 54% in chloramphenicol antibiotics, respectively.
Optimum pH of the binding of antibiotics to the plasma proteins was in the range
5
.
0
to 8.
0
, i.
e
. 8.
0
in penicillin antibiotics,
5
.
0
in glycoside antibiotics,
7
.
0
to 8.
0
in tetracycline antibiotics,
6
.
0
to
7
.
0
in macrolide antibiotics, and
7
.
0
to 8.
0
in chloramphenicol antibiotics, respectively.
抄録全体を表示

PDF形式でダウンロード (1441K)
Ergonomic Issues in the USA

Thomas J. Albin

人間工学
1999年 35 巻 1Supplement 号 31
発行日: 1999/05/01
公開日: 2010/03/12

DOI https://doi.org/10.5100/jje.35.1Supplement_31

ジャーナルフリー

PDF形式でダウンロード (56K)
虚血性心臟病におけるコレステロール負荷時の血清リポ蛋白変動(第2報)

―特にアポ蛋白Eの変化について―

本間康彦, 三神美和, 佐藤美智子, 石原仁一, 吉川広, 木下栄治, 田川隆介, 星合充基, 古屋秀夫, 井出満, 田辺晃久, 玉地寛光, 兼本成斌, 友田春夫, 中谷矩章, 五島雄一郎

動脈硬化
1984年 12 巻 3 号 599-603
発行日: 1984/08/01
公開日: 2011/09/21

DOI https://doi.org/10.5551/jat1973.12.3_599

ジャーナルフリー

抄録を表示する抄録を非表示にする

Seven hundred fifty mg of cholesterol were fed daily to 32 patients of the ischemic heart disease (IHD) for 2 weeks. Cholesterol amounts in VLDL, LDL, HDL, HDL₂ and HDL₃ were estimated on the
0
th,
7
th and 14th days of cholesterol load. Plasma apoprotein A-I, A-II,
B
,
C
-II,
E
levels were also measured in 16 from 32 IHD subjects. Apoprotein levels were estimated by a method of single radial immunodiffusion (SRID). Before cholesterol administration, cholesterol amounts in VLDL, LDL, HDL, HDL₂ and HDL₃ were 15.
9
±
7
.
5
mg/dl (mean±SD), 150.
9
±58.
1
mg/dl 43.8±
9
.
6
mg/dl, 16.4±
5
.8mg/dl and 24.
9
±
6
.3mg/dl respectively. Plasma apoprotein A-I, A-II,
B
,
C
-II and
E
levels were 81.
7
±
22
.
0
mg/dl, 15.
1
±
5
.4mg/dl, 93.
7
±36.
0
mg/dl, 3.
83
±
1
.00mg/dl and 4.29±
1
.36mg/dl respectively. After 2 weeks' cholesterol feeding, all plasma lipoprotein cholesterol and apoprotein levels did not change significantly. Correlation coefficients between plasma apoprotein and lipoprotein cholesterol levels were calculated. Apoprotein A-I and A-II correlated with HDL-
C
(r=
0
.348), HDL₂-
C
(r=
0
.612) and HDL₃ (r=
0
.569). Apoprotein
B
correlated with total cholesterol (TC) (r=
0
.610), VLDL-
C
(r=
0
.341), LDL-
C
(r=
0
.726), HDL-
C
(r=
0
.432) and HDL₂-
C
(r=
0
.465). Apoprotein
C
-II correlated with TC (r=
0
.765), TG (r=
0
.679), VLDL-
C
(r=
0
.651), LDL-
C
(r=
0
.461) and HDL₂-
C
(r=
0
.326). Apoprotein
E
correlated with TC (r=
0
.580), TG (r=
0
.575) and VLDL-
C
(r=
0
.666). Interapoprotein's correlations were also calculated. Apoprotein A-I correlated with apoprotein A-II (r=
0
.468). Apoprotein
B
correlated with apoprotein
C
-II (r=
0
.393). Apoprotein
C
-II correlated with apoprotein
B
(r=
0
.393) and
E
(r=
0
.549). Apoprotein
E
only correlated with apoprotein
C
-II (r=
0
.549).
抄録全体を表示

PDF形式でダウンロード (495K)
Deexcitation of the 931.
1
keV
2₂
+-State of Cd¹⁵²

Yasuyuki Gono, Manabu Fujioka, Tamotsu Toriyama

Journal of the Physical Society of Japan
1970年 29 巻 2 号 255-258
発行日: 1970/08/05
公開日: 2007/06/01

DOI https://doi.org/10.1143/JPSJ.29.255

ジャーナル認証あり

抄録を表示する抄録を非表示にする

The gamma-ray spectrum and the conversion-electron spectrum are measured in the decay of the Tb¹⁵² activity. The L-subshell electron lines of the 586.
7
keV
2₂
+→2₁⁺ transition are separated by the ion-free beta-ray spectrometer. The M
1
-
E
2 mixing ratio, δ², and the dimensionless ratio X of
E
0
-
E
2 mixing of the 586.
7
keV transition are obtained to be δ²≤
0
.16 and
0
.034≤X≤
0
.038, respectively. The
E
2 branching ratio
B
(
E
2;
2₂
+→
0_g
+):
B
(
E
2;
2₂
+→2₁⁺):
B
(
E
2;
2₂
+→0₁⁺) is determined to be
0
.023 :
1
.
0
:
5
.
6
.
抄録全体を表示

PDF形式でダウンロード (336K)
23pSM-
6
Isoscalar and Isotensor π-π Scattering Lengths from K^+_<π3> Decays

T BAKER,
C
. RANGACHARYULU

日本物理学会講演概要集
1999年 54.2.1 巻 23pSM-6
発行日: 1999/09/13
公開日: 2018/03/04

DOI https://doi.org/10.11316/jpsgaiyo.54.2.1.0_16_3

会議録・要旨集フリー

PDF形式でダウンロード (244K)
FINITE ELEMENT ANALYSIS OF THE COUPLED HEAT FLOW AND CONSOLIDATION AROUND HOT BURIED OBJECTS

A.M. BRITTO,
C
. SAVVIDOU, M.J. GUNN, J.R. BOOKER

土質工学会論文報告集
1992年 32 巻 1 号 13-25
発行日: 1992/03/15
公開日: 2008/02/29

DOI https://doi.org/10.3208/sandf1972.32.13

ジャーナルフリー

抄録を表示する抄録を非表示にする

One method currently being considered for the disposal of high level radio-active waste is burial in the seabed. When a hot object is buried in soil, the temperature of the soil adjacent to the object is raised and there is transient heat flow away from the object. The rise in the temperature of the soil causes excess pore pressures to be generated and transient pore water diffusion also takes place. A finite element formulation of the coupled heat flow and consolidation problem is presented. The computer implementation of this formulation is found to compare favourably with analytical solutions based on the same physical principles.
抄録全体を表示

PDF形式でダウンロード (1079K)
The Properties of 2112 keV Level in ¹¹⁶Sn

Yukichi Yamaguchi, Jian-zhi Runan(Gen), Teruaki Nagahara

Journal of the Physical Society of Japan
1975年 38 巻 4 号 911-916
発行日: 1975/04/15
公開日: 2007/06/01

DOI https://doi.org/10.1143/JPSJ.38.911

ジャーナル認証あり

抄録を表示する抄録を非表示にする

The gamma-ray spectrum and the conversion-electron spectrum are measured in the decay of the ^116mIn activity. Directional correlations are also measured for 818–1293 and 1097–1293 keV cascades. The M
1
-
E
2 mixing ratio δ, and the
E
0
-
E
2 mixing ratio μ_k are obtained for 818.
7
keV
2₂
+→2₁⁺ transition to be δ=
1.52
−
0.22
+
0.26
, and μ_k≤
6
.
1
×10⁻⁴ respectively. The
E
2 branching ratio
B
(
E
2;
2₂
+→
0_g
+):
B
(
E
2;
2₂
+→2₁⁺):
B
(
E
2;
2₂
+→0₁⁺) is determined to be
0
.0158:
1
.
0
:
5
.86.
抄録全体を表示

PDF形式でダウンロード (540K)
より実用的な飛行機への探求

Grover Loening

日本航空学会誌
1963年 11 巻 119 号 373-380
発行日: 1963年
公開日: 2009/05/25

DOI https://doi.org/10.2322/jjsass1953.11.373

ジャーナルフリー

PDF形式でダウンロード (5071K)
血液透析患者, CAPD患者における赤血球膜
C
3
b
レセプターの検討

有本保文, 坪井一彦, 西尾晃, 長坂肇, 宮崎哲夫, 内藤秀宗

日本透析医学会雑誌
1997年 30 巻 10 号 1233-1238
発行日: 1997/10/28
公開日: 2010/03/16

DOI https://doi.org/10.4009/jsdt.30.1233

ジャーナルフリー

抄録を表示する抄録を非表示にする

血液透析 (HD) 患者29名, CAPD患者12名, 健常者 (N)
94
名の赤血球膜
C
3
b
レセプター (
E
-CR
1
) をFlowcytometry法にて測定し, 血中免疫複合体 (CIC) との関連を検討した.
その結果,
1
)
E
-CR
1
はHD群, CAPD群ともN群に比し有意の減少 (p<
0
.001) を示し, 両群間では有意差は見られなかった. 2) 両群のCICはN群に比し有意に高値で, 両群間では有意差は見られなかった. 3) HD群では
E
-CR
1
と,
C
1
qCIC (p<
0
.05),
C
3dCIC (p<
0
.02), CAPD群では,
E
-CR
1
と
C
1
qCIC間 (p<
0
.05) にそれぞれに有意の負の相関が見られた.
以上より, HD, CAPD両群のCICは高値を示し, 高値の原因に,
E
-CR
1
数の減少に基づくCIC処理能の低下が関与している可能性が示唆された. また, 両群に同様な結果が得られたことより,
E
-CR
1
数の減少は尿毒症自体に起因する可能性が示唆された.
抄録全体を表示

PDF形式でダウンロード (1258K)
ANALYSIS OF LANDSLIDES DURING THE 1978 IZU-OHSHIMA-KINKAI EARTHQUAKE

石原研而, 長尾哲

土質工学会論文報告集
1983年 23 巻 1 号 19-37
発行日: 1983/03/15
公開日: 2008/02/29

DOI https://doi.org/10.3208/sandf1972.23.19

ジャーナルフリー

抄録を表示する抄録を非表示にする

Using the so-called pseudo-static method, a stability analysis was made for the mountain slide that took place at Mitake-iriya village at the time of the Izu-Ohshima-Kinkai earthquake of January 14, 1978. Undisturbed samples of volcanic clay were obtained in blocks from the exposed surface of the deposit identified to have been the sliding surface. The partially saturated clay samples were tested under consolidated undrained conditions using the triaxial test equipment. Dynamic axial stresses with irregular time histories were applied to the specimens in combination with statically sustained axial stresses to determine the soil strength under the conditions simulating in-situ states of stress during the earthquake. The results of the tests were expressed in terms of the Mohr-Coulomb type failure criterion which showed that, while the angle of internal friction remained almost unchanged, the cohesion component in irregular loading increased above values obtained in the static loading. Using the strength parameters thus determined, a pseudo-static analysis was made to check the stability of the soil masses that had actually slid during the 1978 earthquake. The maximum horizontal acceleration required to cause the slide was computed. The computed accelerations were shown to cover a range between 400 and 500 gals which is consistent with the range estimated by other investigators on the basis of overturning of tombstones in the vicinity of the slide area.
抄録全体を表示

PDF形式でダウンロード (2274K)
(
22E
, 24S)
5α
-Stigmasta-3,
22
-dien-
6
-one: An Intermediate of the Isomerization of (
22E
, 24S)-3α,
5
-Cyclo-
5α
-stigmast-
22
-en-
6
-one into (
22E
, 24S)-
5α
-Stigmasta-2,
22
-dien-
6
-one

Suguru TAKATSUTO, Kiyomi KOBAYASHI, Tsuyoshi WATANABE, Hiroki KURIYAMA, Tokuo FURUSE

Agricultural and Biological Chemistry
1988年 52 巻 12 号 3217-3218
発行日: 1988年
公開日: 2006/04/05

DOI https://doi.org/10.1271/bbb1961.52.3217

ジャーナルフリー

PDF形式でダウンロード (125K)
Transformation Assays of the Cell Mitotic and Proliferation Activities of Purified Oncogene Products

KENTARO YUGE, MASANOBU CHINAMI, MASAHISA SHINGU

The Kurume Medical Journal
1994年 41 巻 4 号 165-169
発行日: 1994/12/27
公開日: 2009/08/11

DOI https://doi.org/10.2739/kurumemedj.41.165

ジャーナルフリー

抄録を表示する抄録を非表示にする

Using two direct introduction methods, DNA synthesis or cell proliferation activities of three purified proteins from
E
. coli, namely, human papillomavirus (HPV)
E
7
proteins of type 16, a mutant type 16 (24
C
-G) (transformation defective) and type
6
b
, were measured in mouse fibroblast,
C
127 cells. By a microinjection method, the order of the cell mitotic indexes for the three
E

7
proteins as determined by
5
-bromo-2'-deoxy-uridine (BrdU) staining was type 16,
6
b
and 16 (24
C
-G). By the osmotic shock method, the ³H-TdR incorporation and coloration by (3-carboxymethoxy phenyl)-2-(4-sulfophenyl)-2H-tetolazorium (MTS) for the three proteins correlated with the pRb binding and focus forming activities previously reported (hunger et al. 1991). These results indicate that the simple osmotic shock method for direct protein introduction may be generally useful for transformation assays of oncoproteins.
抄録全体を表示

PDF形式でダウンロード (1518K)
DETERMINATION OF THE SHEAR STRENGTH PARAMETERS ASSOCIATED WITH MUDFLOWS

Luis
E
. VALLEJO, VINCENT A. SCOVAZZO

地盤工学会論文報告集
2003年 43 巻 2 号 129-133
発行日: 2003/04/15
公開日: 2008/02/29

DOI https://doi.org/10.3208/sandf.43.2_129

ジャーナルフリー

抄録を表示する抄録を非表示にする

When a mudflow moves down a slope, the gravity induced shear stress, τ, is opposed by the combined effect of the undrained shear strength, c_u, of the mud, and its viscosity, η, which is associated with the velocity gradient in the mudflow, dv/dy. In equation form this can be expressed as : τ= c_u+η(dv/dy). The resistance provided by the mud involves the contribution of both c_u and η. For an understanding of the mobilization mechanics of mudflows, one needs then these two parameters. This study describes two methods that can be used to determine these parameters. The c_u of the muds is measured using a cylinder-strength meter devise. The technique associated with this devise consists in lowering a cylinder of known dimension and weight into a mud sample, measuring the depth of penetration of the cylinder into the mud, and calculating the strength, c_u, of the mud required to support the solid cylinder at that depth. The c_u of the mud is calculated using Sokolovski's theory designed to calculate the indentation pressures developed by a Tresca plastic when a cylinder penetrates it. The determination of the viscosity, η, of the mud is obtained from either the velocity measurements of the free surface of the mudflow, or from the difference between the velocity of the free surface of the mudflow and its velocity at the interface between the mudflow and the surface on which it moves. The viscosity η is obtained from a relationship that relates these velocities with η.
抄録全体を表示

PDF形式でダウンロード (692K)

J-STAGEへの登録はこちら（無料）