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Autor:
J. Wieneke, G. Krampitz
Publikováno v:
Zeitschrift für Tierphysiologie Tierernährung und Futtermittelkunde. 18:147-166
Zusammenfassung Es wird eine Apparatur beschrieben, mit deren Hilfe es gelingt, quantitativ mehrere Aminosauren-Analysen gleichzeitig durchzufuhren.
Publikováno v:
Plant Physiology. 113:451-461
Intact hair cells of young rice (Oryza sativa L.) and maize roots (Zea mays L.), grown without external nitrogen, were specifically loaded with 2[prime],7[prime]-bis-(2-carboxyethyl)-5 (and -6)-carboxyfluorescein acetoxymethyl ester to monitor fluore
Autor:
J. Wieneke
Publikováno v:
Journal of Plant Nutrition. 18:1563-1576
The effect of calcium (Ca2+), aluminum (Al3+), and high salinity stress on the influx‐efllux relations of nitrate (NO3 ‐) was investigated in barley and squash seedlings using continuous monitoring techniques and 13N labelling. After 24 h of Ca2+
Autor:
J. Wieneke
Publikováno v:
Journal of Plant Nutrition. 18:1547-1561
Short‐term experiments were carried out with squash and barley seedlings to analyse the nitrate (NO3 ‐) influx/efflux relations as a response by the carrier‐mediated transport to phosphorus (P) and zinc (Zn) stress in the nutrient solution by u
Autor:
J. Wieneke
Publikováno v:
Journal of Plant Nutrition. 17:1671-1685
The suitability of the use of radio‐labelled chloric (36ClO3‐) as an analogue for tracing nitrate (NO3 ‐) uptake by intact plants was examined with regards to the possibly promising properties of the radioisotope for application in microautorad
Autor:
J. Wieneke
Publikováno v:
Journal of Plant Nutrition. 17:127-146
Hydroponic experiments were conducted with seedlings of barley (Hordeum vulgare L.), comparing the wild type and an NR‐deficient mutant (AZ 12/70), to monitor the NO3 − influx/efflux relations and the response to tungstate treatment using 13N‐l
Autor:
Peter Kienle, Wolf-K. Hofmann, Stefan Post, Karoline Horisberger, Melanie Kripp, Deniz Gencer, F. Wenz, Grit Welzel, Joachim Brade, R.D. Hofheinz, J. Wieneke
Publikováno v:
European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology. 38(6)
Aims In spite of advances in rectal cancer surgery and the use of preoperative 5-fluorouracil-(5-FU) based chemoradiotherapy (CRT) in stage II and III disease distant metastases still occur in about 35–40% of the patients. Intensified preoperative
Publikováno v:
Journal of Plant Nutrition. 15:313-326
The Kallar grass leaf is linear with spiny surfaces. On its margins were found spines with a broad base, and on the upper and the lower surface, vesicles or swollen epidermal hairs with pointed, capped ends. On cellulose‐acetate film moistened with
Autor:
J. Wieneke
Publikováno v:
Journal of Plant Nutrition. 15:99-124
Influx of 13N"‐labelled NO3” was studied in roots of intact squash seedlings (Cucurbita max. Duch.) previously grown in nutrient solution without (uninduced) or with NO3” (induced). At the uninduced constitutive level NO3” influx was saturabl