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Inhibitory effect of somatostatin on cAMP accumulation and calcitonin secretion in C-cells: Involvement of pertussis toxin-sensitive G-proteins

Zink, A. ; Scherubl, H. ; Kliemann, D. ; [et al.]

Amsterdam : Elsevier

Molecular and Cellular Endocrinology 86 (1992), S. 213-219

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ISSN: 0303-7207

Keywords: Adenylate cyclase ; C-cell ; Calcitonin secretion ; Cytosolic calcium ; G-protein ; Pertussis toxin ; Somatostatin

Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002

Topics: Biology , Medicine

Type of Medium: Electronic Resource

URL: http://linkinghub.elsevier.com/retrieve/pii/0303-7207(92)90146-W

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Inhibition of Ca^2^+-induced calcitonin secretion by somatostatin: Roles of voltage dependent Ca^2^+ channels and G-proteins

Scheruble, H. ; Hescheler, J. ; Schultz, G. ; [et al.]

Amsterdam : Elsevier

Cellular Signalling 4 (1992), S. 77-85

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ISSN: 0898-6568

Keywords: Calcitonin secretion ; G-proteins ; calcium channels ; cytosolic calcium ; medullary thyroid carcinoma ; pertussis toxin ; rat ce line rMTC 44-2 ; somatostatin

Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002

Topics: Biology , Medicine

Type of Medium: Electronic Resource

URL: http://linkinghub.elsevier.com/retrieve/pii/0898-6568(92)90009-W

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Optically Pumped Far-Infrared Laser Lines of Methanol Isotopomers: 12CD3OH, 12CH3OD, and 12CH2DOH (2000)

Vasconcellos, E. C. C. ; Zerbetto, S. C. ; Zink, L. R. ; [et al.]

Springer

International journal of infrared and millimeter waves 21 (2000), S. 477-483

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ISSN: 1572-9559

Keywords: 12CD3OH ; 12CH3OD ; 12CH2DOH ; new far-infrared laser lines ; optically pumped far-infrared laser ; laser frequencies ; relative intensity ; relative polarization ; pump-frequency offset

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract Twenty-seven new FIR, far-infrared, laser lines from the isotopomers of methanol: 12CD3OH, 12CH3OD, and 12CH2DOH, were obtained by optically pumping the molecules with an efficient cw CO2 laser. The CO2 laser provided pumping from regular, sequence, and hot-band CO2 laser transitions. The 2 m long far-infrared cavity was a metal-dielectric waveguide closed by two, flat end mirrors. Several short-wavelength (below 100 μm) lines were observed. The frequencies of 28 laser lines observed in this cavity (including new lines and already known lines) were measured with a fractional uncertainty limited by the fractional resetability of the far-infrared laser cavity, of 2 parts in 107.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1023/A:1006667300438

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Optically-Pumped Far-Infrared Laser Lines in Hydrazine, Methanol, Heavy Water, and Ammonia: New Laser Lines and Frequency Measurements (2000)

Vasconcellos, E. C. C. ; Allen, M. D. ; Zink, L. R. ; [et al.]

Springer

International journal of infrared and millimeter waves 21 (2000), S. 725-730

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ISSN: 1572-9559

Keywords: hydrazine ; methanol ; heavy water ; ammonia ; new far-infrared laser lines ; optically pumped far-infrared laser ; laser frequencies ; relative intensity

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract A far-infrared laser cavity designed to favor short-wavelength laser lines was used to generate optically-pumped far-infrared laser radiation. New far-infrared laser lines were discovered in hydrazine, heavy water, ammonia, and several short-wavelength lines previously discovered in methanol were observed. Wavelength, frequency, and relative intensity measurements were performed on laser lines in the wavelength range 42.4 to 253.7 μm. Each far-infrared frequency measurement was obtained by mixing the far-infrared radiation with radiation from two reference CO2 lasers and from a microwave synthesizer in a metal-insulator-metal diode. The pump laser was a high-Q Fabry Perot resonator oscillating on 275 grating-selected laser lines including regular, sequence, and hot band lines.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1023/A:1026456425454

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Optically-Pumped Far-Infrared Laser Lines of Methanol Isotopomers: 12CH3OH, 12CH3OD, and 12CH2DOH (2000)

Vasconcellos, E. C. C. ; Zerbetto, S. C. ; Zink, L. R. ; [et al.]

Springer

International journal of infrared and millimeter waves 21 (2000), S. 731-737

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ISSN: 1572-9559

Keywords: 12CD3OH ; 12CH3OD ; 12CH2DOH ; new far-infrared laser lines ; optically-pumped far-infrared laser ; laser frequencies ; relative intensity ; relative polarization ; pump-frequency offset

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract Twenty-seven new far-infrared laser lines from the isotopomers of methanol: 12CD3OH, 12CH3OD, and 12CH2DOH, were obtained by optically-pumping the molecules with an efficient cw CO2 laser. The CO2 laser provided pumping from regular, sequence, and hot-band CO2 laser transitions. The 2-m long far-infrared cavity was a metal-dielectric waveguide closed by two, flat end mirrors. Several short-wavelength (below 100 μm) lines were observed. The frequencies of 28 laser lines observed in this cavity (including new lines and already known lines) were measured with a fractional uncertainty limited by the fractional resetability of the far-infrared laser cavity, of 2 parts in 107.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1023/A:1026408509524

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New FIR laser lines and frequency measurements for optically pumped CD3OH (1987)

Saykally, R. J. ; Evenson, K. M. ; Jennings, D. A. ; [et al.]

Springer

International journal of infrared and millimeter waves 8 (1987), S. 653-662

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ISSN: 1572-9559

Keywords: CD3OH laser lines ; laser frequency measurements ; optically pumped FIR laser ; new laser lines ; relative intensity ; relative polarization

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract Twenty new cw FIR laser lines in CD3OH, optically pumped by a CO2 laser, are reported. The frequencies of 39 of the stronger laser lines were measured relative to stabilized CO2 lasers with a fractional uncertainty, as determined by the reproducibility of the FIR frequency itself, of 2 parts in 107.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01010637

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