Extern
Refine
Has Fulltext
- yes (68)
Year of publication
Document Type
- Postprint (68) (remove)
Language
- English (68) (remove)
Keywords
- cluster expansion (3)
- infinite-dimensional Brownian diffusion (3)
- Fluoreszenz-Resonanz-Energie-Transfer (2)
- Immunoassay (2)
- N400 (2)
- PUFA (2)
- entropy (2)
- fatty acid (2)
- food quality (2)
- 315 nm (1)
- 46 (3) 2009 (1)
- 473 nm (1)
- 946 nm (1)
- ACIDIFICATION (1)
- AMNET (1)
- Akan (1)
- Allantoin (1)
- Anaphylatoxin (1)
- Anatomy (1)
- Animal (1)
- Animal personality (1)
- Biochemical analysis (1)
- Biophotonik (1)
- Bryophytes (1)
- Carbo-Iron (1)
- Catecholamine (1)
- Chemistry of fresh water (1)
- Chlamydomonas (1)
- Color vision Aging (1)
- Complement system (1)
- Confluence (1)
- Daphnia (1)
- Diversity (1)
- Dreissena polymorpha (1)
- EROSION (1)
- ERPs (1)
- EVENTS (1)
- Energietransfer (1)
- Energy expenditure (1)
- European Alps (1)
- European hare (1)
- Experimental study (1)
- Exploration (1)
- Förster Resonanz Energie Transfer (1)
- Gibbs field (1)
- Gibbs measure (1)
- Glucagon (1)
- Grundwassersanierung (1)
- HYDROGRAPH SEPARATION (1)
- Hepatic artery (1)
- Hepatic glucose balance (1)
- Hepatic hemodynamics (1)
- Hepatic lactate balance (1)
- Hepatic nerve (1)
- Information Processing (1)
- Inter-individual differences (1)
- Interacting Diffusion Processes (1)
- JH-III-specific carrier protein (1)
- Jurkat cells (1)
- Juvenile hormone (1)
- KINETIC-ENERGY (1)
- LC/HRMS (1)
- Lake Constance (1)
- Langevin Dynamics (1)
- Lanthanoide (1)
- Leptinotarsa decemlineata (1)
- Lumineszenz (1)
- MESOSCALE CONVECTIVE COMPLEXES (1)
- MIXTURE (1)
- Macular pigment (1)
- Malliavin calculus (1)
- MiSpEx (1)
- Microsaccades (1)
- Microsaccadic Inhibition (1)
- Middle East (1)
- Mobile learning (1)
- Monolayers (1)
- Movement ecology (1)
- Nanoeisen (1)
- Nanopartikel (1)
- Neodym-YAG-Laser (1)
- Nitrogen deposition (1)
- ODBA (1)
- Optode (1)
- P300 (1)
- P300Psychophysiology (1)
- Partial Little Square (1)
- Perfusion (1)
- Portal vein (1)
- Quantenpunkt (1)
- Quantitative Trait Locus (1)
- Quantitative Trait Locus analysis (1)
- Random Field Ising Model (1)
- Rat (1)
- Runoff and streamflow (1)
- S. 635-644 (1)
- SOILWATER END-MEMBERS (1)
- STREAMWATER CHEMISTRY (1)
- Sauerstoff (1)
- Social Identity Theory (1)
- Space-Time Cluster Expansions (1)
- Species richness (1)
- Succession (1)
- TRACERS (1)
- Team Composition (1)
- Team Development (1)
- Technique (1)
- UNITED-STATES (1)
- UV-detection (1)
- Understorey (1)
- Union (1)
- Urate (1)
- Vascular plants (1)
- Visual Oddball Paradigm (1)
- Weathering (1)
- Word processing (1)
- [N]phenylene dyads (1)
- [N]phenylenes (1)
- acclimation (1)
- ad hoc learning (1)
- ad hoc messaging network (1)
- alga (1)
- alpha (1)
- anterior PNP (1)
- behaviour (1)
- biophotonics (1)
- canonical discretization schemes (1)
- capillary electrophoresis (1)
- climate change (1)
- climate policy (1)
- coherence (1)
- color change (1)
- community (1)
- complement (1)
- composition (1)
- conditioned (1)
- conditioned Feller diffusion (1)
- constrained Hamiltonian systems (1)
- constraint (1)
- consumer (1)
- critical and subcritical Dawson-Watanabe process (1)
- derivational complexity (1)
- differential-algebraic equations (1)
- discotics (1)
- drug delivery (1)
- e-learning platform (1)
- early indicators for SLI (1)
- ecophysiology (1)
- electrochemistry (1)
- enantioselectivity (1)
- energy policy (1)
- europe (1)
- european (1)
- feature selection (1)
- flexibility (1)
- flow (1)
- fluorescence immunoassay (1)
- gepulster DPSS Laser (1)
- glucose (1)
- grazer (1)
- herbivore (1)
- human excised skin (1)
- hydrolysis (1)
- immunoassay (1)
- inorganic ions (1)
- integration by parts formula (1)
- job characteristics (1)
- lactate output (1)
- language acquisition (1)
- late talker (1)
- life history (1)
- liquid crystals (1)
- long-term effects (1)
- low back pain (1)
- metamorphosis (1)
- mixture of bridges (1)
- monensin (1)
- monosaccharides (1)
- multidisciplinary intervention (1)
- multitype measure-valued branching processes (1)
- nZVI (1)
- nano zero-valent iron (1)
- nanogels (1)
- nanoparticles (1)
- optode (1)
- oxygen (1)
- personal initiative (1)
- pervasive learning (1)
- phase synchronization (1)
- photoinduced electron transfer (1)
- photoresponse (1)
- photosynthesis (1)
- physiology (1)
- political ideology (1)
- posterior P600 (1)
- predictability (1)
- probabilistic processing (1)
- processing of phonological details (1)
- prostaglandin-f2-alpha (1)
- pulsed DPSS laser (1)
- reciprocal processes (1)
- reciprocal relationship (1)
- recombinant inbred line (1)
- remediation (1)
- renewable energy (1)
- selfefficacy (1)
- semantic incongruity (1)
- seston (1)
- skin penetration (1)
- soil analysis (1)
- space-time Gibbs field (1)
- spatially explicit model (1)
- stochastic bridge (1)
- stocking capacity (1)
- sustainability (1)
- symplectic methods (1)
- sättigbarer Absorber (1)
- tacrolimus formulation (1)
- theta (1)
- time reversal (1)
- topography (1)
- transformation products (1)
- transition economy (1)
- veterinary drugs (1)
- wh-ex-situ (1)
- wh-in-situ (1)
- wh-questions (1)
Institute
- Extern (68)
- Department Psychologie (15)
- Institut für Chemie (10)
- Institut für Mathematik (9)
- Institut für Biochemie und Biologie (7)
- Institut für Ernährungswissenschaft (6)
- Institut für Umweltwissenschaften und Geographie (6)
- Department Linguistik (5)
- Institut für Geowissenschaften (2)
- Institut für Physik und Astronomie (2)
Rainfall erosivities as defined by the R factor from the universal soil loss equation were determined for all events during a two-year period at the station La Cuenca in western Amazonia. Three methods based on a power relationship between rainfall amount and erosivity were then applied to estimate event and daily rainfall erosivities from the respective rainfall amounts. A test of the resulting regression equations against an independent data set proved all three methods equally adequate in predicting rainfall erosivity from daily rainfall amount. We recommend the Richardson model for testing in the Amazon Basin, and its use with the coefficient from La Cuenca in western Amazonia.
We examined individual differences in masked repetition priming by re-analyzing item-level response-time (RT) data from three experiments. Using a linear mixed model (LMM) with subjects and items specified as crossed random factors, the originally reported priming and word-frequency effects were recovered. In the same LMM, we estimated parameters describing the distributions of these effects across subjects. Subjects’ frequency and priming effects correlated positively with each other and negatively with mean RT. These correlation estimates, however, emerged only with a reciprocal transformation of RT (i.e., -1/RT), justified on the basis of distributional analyses. Different correlations, some with opposite sign, were obtained (1) for untransformed or logarithmic RTs or (2) when correlations were computed using within-subject analyses. We discuss the relevance of the new results for accounts of masked priming, implications of applying RT transformations, and the use of LMMs as a tool for the joint analysis of experimental effects and associated individual differences.
Acquiring Syntactic Variability: The Production of Wh-Questions in Children and Adults Speaking Akan
(2020)
This paper investigates the predictions of the Derivational Complexity Hypothesis by studying the acquisition of wh-questions in 4- and 5-year-old Akan-speaking children in an experimental approach using an elicited production and an elicited imitation task. Akan has two types of wh-question structures (wh-in-situ and wh-ex-situ questions), which allows an investigation of children’s acquisition of these two question structures and their preferences for one or the other. Our results show that adults prefer to use wh-ex-situ questions over wh-in-situ questions. The results from the children show that both age groups have the two question structures in their linguistic repertoire. However, they differ in their preferences in usage in the elicited production task: while the 5-year-olds preferred the wh-in-situ structure over the wh-ex-situ structure, the 4-year-olds showed a selective preference for the wh-in-situ structure in who-questions. These findings suggest a developmental change in wh-question preferences in Akan-learning children between 4 and 5 years of age with a so far unobserved u-shaped developmental pattern. In the elicited imitation task, all groups showed a strong tendency to maintain the structure of in-situ and ex-situ questions in repeating grammatical questions. When repairing ungrammatical ex-situ questions, structural changes to grammatical in-situ questions were hardly observed but the insertion of missing morphemes while keeping the ex-situ structure. Together, our findings provide only partial support for the Derivational Complexity Hypothesis.
The optical density of human macular pigment was measured for 50 observers ranging in age from 10 to 90 years. The psychophysical method required adjusting the radiance of a 1°, monochromatic light (400–550 nm) to minimize flicker (15 Hz) when presented in counterphase with a 460 nm standard. This test stimulus was presented superimposed on a broad-band, short-wave background. Macular pigment density was determined by comparing sensitivity under these conditions for the fovea, where macular pigment is maximal, and 5° temporally. This difference spectrum, measured for 12 observers, matched Wyszecki and Stiles's standard density spectrum for macular pigment. To study variation in macular pigment density for a larger group of observers, measurements were made at only selected spectral points (460, 500 and 550 nm). The mean optical density at 460 nm for the complete sample of 50 subjects was 0.39. Substantial individual differences in density were found (ca. 0.10–0.80), but this variation was not systematically related to age.
We prove in this paper an existence result for infinite-dimensional stationary interactive Brownian diffusions. The interaction is supposed to be small in the norm ||.||∞ but otherwise is very general, being possibly non-regular and non-Markovian. Our method consists in using the characterization of such diffusions as space-time Gibbs fields so that we construct them by space-time cluster expansions in the small coupling parameter.
The haemolymph of the adult Colorado potato beetle, Lepinotarsa decemlineata Say, contains a high molecular weight (MW > 200,000) JH-III specific binding protein. The Kd value of the protein for racemic JH-III is 1.3 ± 0.2 × 10−7 M. It has a lower affinity for racemic JH-I and it does not bind JH-III-diol or JH-III-acid. The binding protein does discriminate between the enantiomers of synthetic, racemic JH-III as was determined by stereochemical anaysis of the bound and the free JH-III. Incubation of racemic JH-III with crude haemolymph results in preferential formation of (10S)-JH-III-acid, the unnatural configuration. The JH-esterase present in L. decemlineata haemolymph is not enantioselective. It is concluded that the most important function of the binding protein is that of a specific carrier, protecting the natural hormone against degradation by esterases. The carrier does not protect JH-I as efficiently as the lower homologue.
Observers of international politics have been conscious of the growing international involvement of non-central governments (NCGs), particularly in federal systems. These have been supplemented by the internationalisation of subnational actors in quasi-federal and even unitary states. One of the difficulties is that analysis has often been locked into the dominant paradigm debate in International Relations concerning who and who are not significant actors. Having briefly explored the nature of this changing environment, marked by a growing emphasis on access rather than control as a policy objective and the emergence of what is termed a 'catalytic diplomacy', the discussion focuses on the need for linkage between the levels of government in the pursuit of international as well as domestic policy goals. The nature of linkage mechanisms are discussed.
Fast analysis of different species of molecules in soils is investigated by capillary electrophoresis (CE). Several CE techniques for the analysis of inorganic ions and carbohydrates have been tested. With regard to the intents of pedologists and the usually large number of soil analyses a bundle of CE systems is proposed, capable of effecting time-saving soil analyses. Adapted electrolyte systems recently published and new separation systems are described. Examples of the application of these methods to two different soil samples are presented.
4-Phenylphenoxazinones were isolated after biomimetic oxidation, using diphenoloxidases of insect cuticle, mushroom tyrosinase, or after autoxidation of N-acetyldopamine (Image ) in the presence of β-alanine, β-alanine methyl ester or N-acetyl-L-lysine. They are formed presumably by addition of 2-aminoalkyl-5-alkylphenols to the o-quinone of biphenyltetrol which, in turn, arises from oxidative coupling of. The structures of present the first examples for the assembly of reasonably stable intermediates in the rather complex process of chemical modifications of aliphatic amino acid residues by o-quinones.
Chemical fingerprints of hydrological compartments and flow paths at La Cuenca, western Amazonia
(1995)
A forested first-order catchment in western Amazonia was monitored for 2 years to determine the chemical fingerprints of precipitation, throughfall, overland flow, pipe flow, soil water, groundwater, and streamflow. We used five tracers (hydrogen, calcium, magnesium, potassium, and silica) to distinguish “fast” flow paths mainly influenced by the biological subsystem from “slow” flow paths in the geochemical subsystem. The former comprise throughfall, overland flow, and pipe flow and are characterized by a high potassium/silica ratio; the latter are represented by soil water and groundwater, which have a low potassium/silica ratio. Soil water and groundwater differ with respect to calcium and magnesium. The groundwater-controlled streamflow chemistry is strongly modified by contributions from fast flow paths during precipitation events. The high potassium/silica ratio of these flow paths suggests that the storm flow response at La Cuenca is dominated by event water.