The formation of an electron hole on an AlO4H center of the H-ZSM-5 zeolite has been studied by a hybrid quantum mechanics/shell-model ion-pair potential approach. The Becke-3-Lee-Yang-Parr (B3LYP) and Becke-Half&Half-Le ...

A method comparsion of the 5h-elastase/α1-proteinase-inhibitor test kit with a newly developed 2 h-version was performed. The within-run and between-days coefficients of variation as well as the recovery of the assigned ...

Cancer is one of the leading causes of death worldwide. Although several potential therapeutic agents have been developed to efficiently treat cancer, some side effects can occur simultaneously. Papaverine, a non-narcotic ...

Winter dormancy is still a “black box” in phenological models, because it evades simple observation. This study presents the first step in the identification of suitable metabolites which could indicate the timing and ...

Der Kausalprozeß läßt sich primär als eine temporale Abfolge von Ursache und Wirkung bei Naturphänomenen vorstellen, indem die Ursachen und die sich daraus ergebenden Wirkungen als momentane Ereignisse betrachtet werden. ...

Different batches of bromocresol green were used in a study of several modifications of the bromocresol green method for serum albumin. No major batch variation was observed. Lyophilized animal sera and a certain batch of ...

The scientific objective of this study was to answer the question of whether sink limitation is also true for high quality wheat varieties. We examined the incorporation of 15N and 13C during phenological phases into ...

Zwei Methoden zur Ermittlung der Serumeisen-Konzentration werden verglichten: I. Bestimmung mittels Atomabsorption nach Enteiweißung; II. Spektrophometrische Bestimmung nach Freisetzung des Eisens mit Detergens, Reduktion ...

N-immobilization of wood fiber substrates during production of vegetable transplants was studied in greenhouse and under phytotron conditions. Tomato transplants were grown on white peat, unimpregnated and impregnated ...