ZfN: Search Results

1	Author	Salil Bose, GeorgeE. Hoch	Requires cookie*
	Title	Mg2+-H + Exchange in Chloroplast Membranes in Dark
	Abstract	Protons are released from unillum inated chloroplasts after the addition of Mg2+. The greatest num ber of protons was measured at pH 6.5 and corresponded to 0.6 mol protons per mol chloro phyll.
	Reference	Z. Naturforsch. 33c, 105 (1978); received January 2 1978
	Published	1978
	Keywords	Chloroplast M embranes, Cation Effects, Proton Exchange
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	TEI-XML for	default:Reihe_C/33/ZNC-1978-33c-0105.pdf
	Identifier	ZNC-1978-33c-0105
	Volume	33

2	Author	HansJ. Rurainski, Gerhard Mader	Requires cookie*
	Title	The Effect of M g 2+ on the Reduction of N A D P by an Artificial Electron D onor
	Abstract	The effect of M g 2+ on the light-dependent reduction of N A D P by an artificial electron donor has been investigated with isolated broken chloroplasts. In both short and long wavelength actinic light, addition of the salt under most conditions stimulates the yield and the saturation rate. The magnitude of the stimulation is a function of pH. T he data indicate that previous interpreta tions of the M g 2+ effect in this system invoking changes in the spill-over rate between the photo systems is no longer tenable. It is suggested that addition of the salt causes activation of inactive reaction centers.
	Reference	Z. Naturforsch. 33c, 664 (1978); received August 7 1978
	Published	1978
	Keywords	Photosynthesis, Photosystem I, Cation Effect, N A D P Reduction
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	TEI-XML for	default:Reihe_C/33/ZNC-1978-33c-0664.pdf
	Identifier	ZNC-1978-33c-0664
	Volume	33