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  • 1
    Electronic Resource
    Electronic Resource
    Mechanism of the differentiating action of 25-hydroxyvitamin D3 endoperoxides in human myeloid leukemia cells (HL-60) (1985)
    s.l. : American Chemical Society
    Journal of medicinal chemistry 28 (1985), S. 1153-1158 
    Details
    ISSN: 1520-4804
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jm00147a006
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  • 2
    Electronic Resource
    Electronic Resource
    Syntheses and differentiating action of vitamin D endoperoxides. Singlet oxygen adducts of vitamin D derivatives in human myeloid leukemia cells (HL-60) (1985)
    s.l. : American Chemical Society
    Journal of medicinal chemistry 28 (1985), S. 1148-1153 
    Details
    ISSN: 1520-4804
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jm00147a005
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  • 3
    Electronic Resource
    Electronic Resource
    Post-exercise palpation of pulse rates: its applicability to habitual exercisers (2005)
    Oxford, UK : Munksgaard International Publishers
    Scandinavian journal of medicine & science in sports 15 (2005), S. 0 
    Details
    ISSN: 1600-0838
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine , Sports Science
    Notes: Despite the increased popularity of heart rate (HR) monitors, endurance-trained adults as well as habitual exercisers often use pulse rate palpation to periodically monitor exercise intensity. However, due to the rapid recovery of HR following exercise bouts, post-exercise palpation of pulse rates may underestimate exercise HR. To test this hypothesis, we studied 20 young physically active adults performing two sets of exercise for 5 min at 70% and 85% of maximal HR on the treadmill; one with carotid and another with radial pulse count. Post-exercise palpation of pulse rate was lower (P〈0.01) than the actual HR during exercise, underestimating exercise HR by 20–27 bpm (beats per min). Even when ECG tracings of HR were analyzed immediately after exercise (0–15 s), a significant underestimation of exercise HR (7–9 bpm) still persisted (P〈0.05). Following exercise, pulse rate obtained by carotid palpation at both intensities and radial palpation at the lower intensity was no different from the corresponding HR measured with ECG. In the radial artery trial at the higher exercise intensity, pulse rate following exercise was lower (10 bpm; P〈0.05) than ECG-derived HR. Arterial stiffness, which is closely associated with arterial baroreflex sensitivity, was not significantly related to the changes in HR with carotid palpation. We concluded that post-exercise pulse palpations may not be appropriate as an indicator of exercise intensity in habitual exercisers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0838.2004.409.x
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  • 4
    Electronic Resource
    Electronic Resource
    Response ofLemna pausicostata to boron as affected by light intensity (1966)
    Springer
    Plant and soil 25 (1966), S. 425-434 
    Details
    ISSN: 1573-5036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Experiments withLemna pausicostata to determine the relationship the response to boron supply and light intensity, gave the following results: (1) Reducing the light intensity decreased the response to boron deficiency and toxicity. (2) In the absence of boron, severe deficiencies were observed in cultures under continuous illumination from a daylight fluorescent lamp at 5500 lux, but not at 1000 lux. (3) The boron concentrations in the plants at which deficiencies were observed were less than 0.16, 4.5, and 13 ppm (dry-matter basis) under illumination intensities of 1000, 2500, and 5500 lux, respectively. (4) Over the range 0.5 to 2.5 ppm boron in the culture solution, the uptake of boron was reduced with decreasing light intensity. (5) The accumulation ratio (ratio of boron concentration in the plants to that in the solution in which they were grown) decreased with decreasing light intensity, and with decreasing boron supply. Taking the average accumulation ratio at 5500 lux light intensity as 100, the average values at 2500 and 1000 lux were 67 and 26 respectively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01394466
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  • 5
    Electronic Resource
    Electronic Resource
    Boron adsorption by plant roots (1967)
    Springer
    Plant and soil 27 (1967), S. 300-302 
    Details
    ISSN: 1573-5036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The adsorption capacity of boron by roots of several monocotyledonous and dicotyledonous farm crops was determined. The monocots exhibited a lower capacity for boron adsorption in comparison with dicots.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01373400
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  • 6
    Electronic Resource
    Electronic Resource
    Mouse p87 wee1 kinase is regulated by M-phase specific phosphorylation (1995)
    Springer
    Chromosome research 3 (1995), S. 300-308 
    Details
    ISSN: 1573-6849
    Keywords: cdc2 kinase ; cell cycle ; cyclin B ; phosphorylation ; wee1 kinase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract We have cloned a mousewee1 kinase cDNA (mwee1). The clone is 2258 bp in length and its open reading frame corresponds to 646 amino acid residues. The molecular weight of this kinase is 87 kDa in SDS-PAGE, which is about 1.7-fold larger than the human p50 wee1 kinase reported previously. In a cell cycle, the mousewee1 kinase is phosphorylated at M-phase, and anin vitro study using a mitotic extract revealed that phosphorylation occurs in the N-terminal domain, which is absent from the humanwee1 kinase, resulting in inactivation of the kinase activity. The N-terminal domain or entire molecule is extensively phosphorylated bycdc2-cyclin B kinase. Furthermore, the activity of thewee1 kinase was reduced by phosphorylation with the mitotic extract which containedcdc2-cyclin B kinase
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00713068
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  • 7
    Electronic Resource
    Electronic Resource
    Experimental studies on sulfur dioxide injuries in higher plants (1972)
    Springer
    Water, air & soil pollution 1 (1972), S. 205-211 
    Details
    ISSN: 1573-2932
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Reversible decrease in CO2 fixation has been reported in rice plants exposed to low concentrations of SO2 (Matsuoka et al., 1969). Alpha hydroxy sulfonate is thought to form in leaves by an addition-reaction between plant aldehyde and SO2, and to inhibit the process of the photosynthesis. However, the identification of this compound in the leaves has not been successful. This report deals with the results of the radiochemical experiments to examine the occurrence of glyoxylate bisulfite, a-hydroxy sulfonate forms of glyoxylic acid in rice plant leaves exposed to radioactive sulfur dioxide. In plants exposed to SO2, sufficient amounts of glyoxylate bisulfite could be formed and thereby inhibit the progress of the path from glicolic to glyoxylic acid.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00187707
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  • 8
    Electronic Resource
    Electronic Resource
    Experimental studies on sulfur dioxide injuries in higher plants (1972)
    Springer
    Water, air & soil pollution 1 (1972), S. 343-346 
    Details
    ISSN: 1573-2932
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Photosynthesis is reversibly inhibited by exposing plants to SO2. The formation of α-hydroxy sulfonate in the exposed plants is suggested as one of the effects, because this compound inhibits glycolic oxidase which is necessary in the glycolic acid pathway. The suppression of the glycolic acid path should affect various aspects of metabolism in plants, particularly the reduction of the biosynthesis of glycine and serine. In this paper, the biosynthesis of these amino acids in plants exposed to SO2 was investigated to estimate the significance of the formation of α-hydroxy sulfonate in the plants. The results show that photosynthetic formation of serine was reduced in the exposed plants, and that α-hydroxy sulfonate was formed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00250652
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  • 9
    Electronic Resource
    Electronic Resource
    Experimental studies on SO2 injuries in higher plants III: Inhibitory effect of suite ion on 14 CO 2 fixation (1974)
    Springer
    Water, air & soil pollution 3 (1974), S. 11-16 
    Details
    ISSN: 1573-2932
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Photosynthesis decreases reversibly in plants exposed to SO2. Photosynthesis recovers when the exposure to SO2 is discontinued. Inactivation of a photosynthetic enzyme, ribulose-1,5-diphosphate carboxylase, by sulfonation of its SH groups was investigated as a cause of the reversible reduction of photosynthesis. The relationship between the sulfite ion concentration in the reaction mixture and 14CO2 fixation catalized by the enzyme which was prepared from alfalfa leaves was explored by using radioactive NaHCO3. About 50% and 85% inhibitions of 14CO2 fixation were observed at 3 × 10−3 M and 3 × 10−2 M concentration of sulfite ion in the reaction mixture, respectively. The accumulation of 3 × 10−4 M sulfite ion on the reaction site of the enzyme involved in the plants which were exposed to SO2 could considerably reduce the CO2 assimilation of the plant.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00282724
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  • 10
    Electronic Resource
    Electronic Resource
    Determination of sulphur amino acids by gas chromatography with flame photometric detection (1994)
    New York, NY : Wiley-Blackwell
    Biomedical Chromatography 8 (1994), S. 119-124 
    Details
    ISSN: 0269-3879
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: A selective and sensitive method has been developed for the determination of sulphur amino acids by gas chromatography (GC). Sulphur amino acids were converted into their N(S)-isopropoxycarbonyl methyl ester derivatives and measured by GC with flame photometric detection using a DB-17 capillary column. The derivatives were sufficiently volatile and stable to give single symmetrical peaks. The detection limits of sulphur amino acids were ca. 0.5-1 pmol per injection, and the calibration curves were linear in the range 0.5-1 nmol for each sulphur amino acid. This method was successfully applied to small urine samples without prior cleanup, and sulphur amino acids in these samples could be analysed without any influence from coexisting substances. Overall recoveries of sulphur amino acids added to urine samples were 85-113%. The analytical results of free sulphur amino acid contents in urine samples of normal subjects are presented.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bmc.1130080305
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