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Organizacja inseminacji trzody chlewnej na przykladzie Stacji Unasieniania Loch w Teodorowie

100%

Kondracki S. , Grzeluk D. , Iwaniuk D.

Przegląd Hodowlany

1997

tom 65

nr 04

7-11

Comparison of the influences of hydrocortisone and progesterone on the content of protein and sugar in the green alga Chlorella vulgaris Beijerinck

100%

Czerpak R. , Bajguz A. , Bajguz A. J. , Iwaniuk D.

International Journal of Ecohydrology and Hydrobiology

2001

tom 01

nr 4

This paper presents the study concerning the influence of hydrocortisone and progesterone on the growth and the content of protein and sugar in the green alga Chlorella vulgaris Beijerinck (Chlorophyceae). Progesterone, at the concentration of 10-4 M, showed a lethal effect on C. vulgaris and hydrocortisone - at the concentration of 10-3 M. Hydrocortisone, in range of concentrations 5×10-5-10-4 M, showed the greatest stimulating activity in C. vulgaris on the content of sugar, in comparison to progesterone, which has a most stimulating effect in the range of concentrations 5×10-5-5×10-6 M. It was found that in C. vulgaris progesterone is more active than hydrocortisone on the content of cellular sugar. However, progesterone acted inhibitory on the content of protein. The lowest inhibition of sugar and protein was observed under influence of hydrocortisone at the concentration of 5×10-6 M. The biological activity of hydrocortisone in the C. vulgaris studied was greater than that of progesterone with regard to the protein content.

New trends in application of the fumigation method in medical and non-medical fields

75%

Buklaha A. , Wieczorek A. , Majewski P. , Iwaniuk D. , Sacha P. , Tryniszewska E. , Wieczorek P.

2022

tom 29

nr 2

Relations between photosynthetic pigments, macro-element contents and selected trace elements accumulated in Lolium Multiflorum L. exposed to ambient air conditions

63%

Borowiak K. , Budka A. , Hanc A. , Kayzer D. , Lisiak M. , Zbierska J. , Baralkiewicz D. , Iwaniuk D. , Lopatka N.

tom 60

nr 1