Browsing Naturwissenschaften, Mathematik und Informatik by Title
Now showing items 622-641 of 5496
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C*-quantum groups with projection
(2014-06-25)We propose a general theory to study semidirect products of C -quantum groups in the framework of multiplicative unitaries. Starting from a quantum group with a projection we decompose its multiplicative unitary as a product ... -
C, P and water dynamics in Mycorrhiza
(2005-10-25)For a better understanding of the potential of the mycorrhizal symbiosis and to ease its utilisation in the practise, some major events were investigated. Of these, are the coherence between ... -
C-H Activation by Nickel and Iron Catalysis
(2019-08-08)The thesis contents methods for the selective activation and functionalization of C–H bonds, among the most abundant bonds in organic molecules. In particular, earth-abundant and cost-effective nickel and iron complexes ... -
C-H Activation for Sustainable Synthesis: Base Metal- and Electro-Catalysis
(2018-08-07)In the recent decades, metal-catalyzed C-H activation greatly expanded the available tools for the sustainable synthesis of bioactive molecules and organic materials. Within this thesis, new synthetic transformations based ... -
C-H and C-C Activation by Cobalt and Ruthenium Catalysis
(2017-12-18)The thesis contents methods for the selective activation and functionalization of C–H and C–C bonds, among the most abundant bonds in organic molecules. In particular, earth-abundant and cost-effective cobalt complexes ... -
C-terminal tyrosine residue modifications modulate α-synuclein toxicity in yeast as unicellular model for Parkinson´s disease
(2016-12-07)The presence of protein inclusions called Lewy bodies (LBs) that are mainly composed of misfolded and accumulated α-synuclein (αSyn) represents a hallmark of Parkinson´s disease (PD). Oligomeric αSyn species are thought ... -
C<sub>2</sub>-Symmetric Pyrazole-Bridged Ligands and Their Application in Asymmetric Transition-Metal Catalysis
(2016-06-03)Within the scope of this thesis the synthesis of a plethora of examples of in total three types of C2-symmetric pyrazole-bridged ligand systems (namely PyrBOX, PyrBPyBOX and ProPyrazole) could be established ... -
CACAO AGROFORESTRY UNDER AMBIENT AND REDUCED THROUGHFALL: TREE WATER USE CHARACTERISTICS AND STAND WATER BUDGETING
(2010-07-13)The world s tropical regions have faced dramatic losses in forest cover during recent decades. Although high rates of rainforest conversion continue today, reforestation is becoming more ... -
Calcium and cAMP homeostasis determine network organisation of respiratory pre-Bötzinger neurons in Mecp2 null mice in vitro.
(2013-07-03)Rett Syndrome (RS) is a neurodevelopmental disorder caused primarily by mutations in a Mecp2 gene on the X chromosome that encodes methyl-cytosine binding protein (MeCP2). MeCP2 acts as a transcriptional repressor and an ... -
Calcretes aus jungpaläozoischen Bodenbildungen - ein möglicher Proxy für die CO<sub>2</sub>-Konzentration der Paläoatmosphäre
(2003-04-03)The use of pedogenic carbonates (calcretes) in estimating CO2 concentrations in the Late Paleozoic atmosphere has been examined. For this purpose Cerling (1991,1999) submitted a theory based ... -
Calculating air exchange rates from broiler livestock houses
(2005-09-26)Air exchange rates (AERs) were calculated from 2 full sized broiler houses. The first broiler house was a Louisiana stall (natural ventilation) and the second a mechanically ventilated ... -
Calibration of the ATLAS B-tagger and the search for the $t\overline{t}H(H\rightarrow b\overline{b})$ process at $\sqrt{s}$ = 13 TeV with the ATLAS experiment at the LHC
(2019-04-24)Top quarks and Higgs bosons are the heaviest particles in the Standard Model of particle physics and are the subject of many analyses performed with the ATLAS experiment at the LHC at CERN. The Higgs boson was discovered ... -
Calorimeter-Based Triggers at the ATLAS Detector for Searches for Supersymmetry in Zero-Lepton Final States
(2012-03-09)This thesis consists of three closely related parts. An analysis of data recorded by the ATLAS detector in 2010 in proton-proton collisions at a center-of-mass energy of 7 TeV with an ... -
Calreticulin in kidney function and disease: chronic low level of calreticulin impairs Ca2+ homeostasis leading to mitochondrial dysfunction and chronic renal injury
(2012-11-28)Chronic kidney disease (CKD) is becoming a major public health problem worldwide. The persistent progression of CKD is postulated to result from a self-perpetuating vicious cycle of events activated after initial injury. ... -
CaMKII-dependent regulation of ion channels and its role in cardiac arrhythmias
(2008-07-24)Intracellular calcium (Ca2+) is a central second messenger, which translates the electrical signal into cardiac contraction. This process is termed excitation-contraction coupling (E-C ... -
Can modern food retailers improve diets and nutrition in urban Africa? Empirical evidence from Zambia
(2020-06-03)In many developing countries, food environments are changing rapidly, with modern food retailers – such as supermarkets and convenience stores – increasingly replacing or complementing traditional food retailers. In ... -
Can Sustainability Standards Promote Socioeconomic Development in the Small Farm Sector? Insights from Coffee Producers in Uganda
(2017-05-31)Sustainable food production and consumption are important goals for an increasing number of consumers, policy makers, and other actors along global food chains. This is also reflected in the 12th United Nations’ Sustainable ... -
Candidate mechanosensitive transduction channels in Drosophila melanogaster
(2011-06-15)Gravity sensing and hearing in Drosophila melanogaster rely on Johnston's Organ (JO), a chordotonal stretch-receptor organ consisting of ca. 500 mechanosensory neurons residing in the 2nd ... -
Canopy soil nutrient cycling and response to elevated nutrient levels along an elevation gradient of tropical montane forests
(2014-04-24)Although canopy soils can contribute significantly to aboveground labile biomass, they are often overlooked in nutrient cycling studies. In forests with large accumulations of canopy soil, such as those found in tropical ... -
Capacity development of small-scale farmers in developing countries: Analysis of preferences and the role of information and communication technologies
(2018-11-19)Capacity development through agricultural training is a proven approach to enhance the management skills of small-scale farmers in developing countries, aiming to increase their standard of living in the long run. Yet, ...