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  • BIOSCIENCES  (74)
  • Analytical Chemistry and Spectroscopy
  • 1980-1984
  • 1970-1974  (105)
  • 1972  (105)
Collection
Keywords
Publisher
Years
  • 1980-1984
  • 1970-1974  (105)
Year
  • 1
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    Effects of pentobarbital on plasma glucose and free fatty acids in the rat. (1972)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Hyperglycemia and hypolipemia were observed in rats after the injection of sodium pentobarbital. The observed changes were independent of whether the blood was collected by decapitation or by needle puncture of the aorta. The hyperglycemic response was caused by two factors including the stress of the injection per se and the pharmacological action of the drug. Hyperlipemia was observed at 5 min postinjection. However, pentobarbital decreased plasma free fatty acids by 15 min postinjection. Both the hyperglycemia and hypolipemia responses were dose dependent.
    Keywords: BIOSCIENCES
    Type: Society for Experimental Biology and Medicine; vol. 139
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Effects of exposing rats to 100% oxygen at 450 and 600 mm Hg on in vitro liver and adipose tissue lipid synthesis. (1972)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Male rats (260-285 gm) were exposed to 100% oxygen at 450 or 600 mm Hg for 1 to 4 days. Rats maintained at 450 mm Hg ate 92% the amount of food eaten by ad libitum controls maintained at sea level conditions. At 600 mm Hg, the food intake was 77% of the ad libitum controls. No difference was found in the plasma level of glucose, free fatty acids, and corticosterone between oxygen exposed rats and their respective pair-fed controls. The in vitro conversion of acetate into fatty acids by adipose tissue from rats exposed at 450 mm Hg for 2, 3, or 4 days was significantly increased above pair-fed controls and ad libitum controls. Increasing the oxygen pressure to 600 mm Hg abolished this increase, and in fact, reversed the increased synthesis to a significant decrease for the 4-day exposure.
    Keywords: BIOSCIENCES
    Type: Aerospace Medicine; 43; Mar. 197
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    The National Aeronautics and Space Administration-U.S. Public Health Service Health Evaluation and Enhancement Program - Summary of results. (1972)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: An exercise program was initiated in a federal agency to assess the feasibility of such a program, and to identify the factors that influenced joining, adherence to, and effectiveness of the program. The program was utilized by 237 of the 998 eligible federal employees; mean attendance rate was 1.3 days/week. Those who volunteered perceived a need for increased physical activity, believed they had sufficient time to participate and derived subjective as well as objective benefits. Significant improvements were found in heart rate response to the standard exercise test, body weight, skinfold measurements and triglyceride levels.
    Keywords: BIOSCIENCES
    Type: American Journal of Cardiology; 30; Nov. 197
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    A common modality of action of simulated space stresses on the oxidative metabolism of ethylmorphine, aniline and p-nitroanisole by male rat liver. (1972)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: High gravity, cold and starvation elicited similar responses in male Simonson rats. These responses included a decreased rate in body weight gain, increased metabolism of aniline and p-nitroanisole, and no consistent pattern of change in the metabolism of ethylmorphine. Cold and starvation increased the amount of hepatic cytochrome P-450, while hypobaric-hyperoxia caused no change in any of the parameters measured. When 1% acetone was given to the rats in their drinking water, the effects on drug metabolism were similar to those produced by food restriction in that the metabolism of aniline and p-nitroanisole was increased, and the metabolism of ethylmorphine unchanged. The type I binding spectrum of acetone suggests that it is either a substrate, inhibitor, or both for hepatitic oxidative enzymes.
    Keywords: BIOSCIENCES
    Type: Toxicology and Applied Pharmacology; 21; 1972
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    The NASA-USPHS Health Evaluation and Enhancement Program (1972)
    In:  CASI
    Details
    Publication Date: 2014-09-05
    Description: An exercise program was initiated to assess the feasibility of an on the job health evaluation and enhancement program, as well as to identify the factors which influenced volunteering, adherence, and effectiveness of the program. The program was utilized by 237 of the 998 eligible Federal employees, with a mean attendance of 1.3 days per week. Those who volunteered perceived a need for increased physical activity, felt they had sufficient time to participate, and derived subjective as well as objective benefits. Significant improvements were found in heart rate response to the standard exercise test, body weight, skinfold measurements, and triglycerides. A consistent relationship was found between subjectively reported effects of the program on work, health habits, and behavior, and improvement in cardiovascular function, based on treadmill performance. Numerous personal and programmatic factors influencing volunteering and participation were identified.
    Keywords: BIOSCIENCES
    Type: NASA, Washington Proc. of the Ann. Conf. of NASA Clinic Directors, Environ. Health Offic. and Med. Program Advisors; p 173-195
    Format: text
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    NASA TECHNICAL REPORTS
  • 6
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    Results of the 1971 Corn Blight Watch experiment (1972)
    In:  CASI
    Details
    Publication Date: 2019-08-28
    Description: Advanced remote sensing techniques are used to: (1)Detect development and spread of corn leaf blight during the growing season; (2) assess the extent and severity of blight infection; (3) assess the impact of blight on corn production; and (4) estimate the applicability of these techniques to similar situations occurring in the future.
    Keywords: BIOSCIENCES
    Type: NASA-TM-X-69055 , LARS-PRINT-100272 , Intern. Symp. on Remote Sensing of Environment; Oct 26, 1972; Ann Arbor, MI; United States
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    NASA TECHNICAL REPORTS
  • 7
    Electronic Resource
    Electronic Resource
    The proton chemical shifts of polychlorinated biphenyls (1972)
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 4 (1972), S. 309-319 
    Details
    ISSN: 0030-4921
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A 220 MHz NMR spectrometer has been used to identify the structure of polychlorinated biphenyls (PCBs). The proton chemical shifts and approximate coupling constants of PCBs fractionated from Aroclor 1254 are given in the text. The spectra of model compounds are included in the supplement. The chemical shifts are also tabulated according to the ring substitution pattern, when it can be seen that the shifts change systematically with the degree of both the total ring substitution and the substitution in the positions ‘ortho’ to the bridging bond between the rings.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrc.1270040210
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    Paper (German National Licenses)
    Fulltext
  • 8
    Electronic Resource
    Electronic Resource
    The NMR spectra of fluoroaromatics - IV:For Part III, see Ref. 1. 1H and 19F spectra of some fluorinated benzofurans (1972)
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 4 (1972), S. 343-352 
    Details
    ISSN: 0030-4921
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The complete analyses of the 19F spectra of some fluorinated benzofurans are given. These provide an unambiguous determination of the substituent position in these compounds. Comparison of the 19F SCS and coupling constants in the benzofuran, benzothiophene and benzene series shows that 19F spectral parameters can be transposed from the benzene series with caution.A large increase in the para F—F coupling with ring closure of the hetero-ring is noteworthy. A long-range through-space 8JH is reported which arises from the proximity of the 3 carboethoxy methyl group and the C4 fluorine in these molecules.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrc.1270040214
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Substituent effects in the field ionization mass spectra of acetophenones (1972)
    Chichester : Wiley-Blackwell
    Biological Mass Spectrometry 6 (1972), S. 923-930 
    Details
    ISSN: 0030-493X
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Substituent effects in the electron-impact and field ionization mass spectra of acteophenones are compared. No Hammett correlation could be found for the fragments formed on the surface of the field anode. A straight line log z/z0 versus σ+ was observed, however, for the metastable decomposition of para-substituted acetophenones (and also some benzophenones). Meta-substituted compounds did not yield such straight lines.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/oms.1210060813
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    Paper (German National Licenses)
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  • 10
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    Relative biological effectiveness of fast neutrons compared with X-rays: Prenatal mortality in the mouse (1972)
    In:  CASI
    Details
    Publication Date: 2016-06-07
    Description: The effects of fission neutrons and of X-rays on the mouse zygote are discussed. Seven-week-old virgin mice were allowed a 12-hour mating opportunity beginning at 7:00 P.M. Between 1:30 and 4:00 P.M., except where indicated otherwise, the females which had mated (vaginal plug) during the night were either irradiated or sham-irradiated. At the time of irradiation the zygotes were in a pronuclear stage. Sixteen days later the mice were killed and the uteri dissected. The number of dead embryos, live embryos, and gross anomalies were determined. Dead embryos were classified as to stage of development.
    Keywords: BIOSCIENCES
    Type: NASA, Washington Proc. of the Natl. Symp. on Nat. and Manmade Radiation in Space; p 641
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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