@article{TarazonaMachatschekLendlein2019,
  author    = {Tarazona, Natalia A. and Machatschek, Rainhard Gabriel and Lendlein, Andreas},
  title     = {Unraveling the interplay between abiotic hydrolytic degradation and crystallization of bacterial polyesters comprising short and medium side-chain-length Polyhydroxyalkanoates},
  series = {Biomacromolecules : an interdisciplinary journal focused at the interface of polymer science and the biological sciences},
  volume    = {21},
  journal   = {Biomacromolecules : an interdisciplinary journal focused at the interface of polymer science and the biological sciences},
  number    = {2},
  publisher = {American Chemical Society},
  address   = {Washington},
  issn      = {1525-7797},
  doi       = {10.1021/acs.biomac.9b01458},
  pages     = {761 -- 771},
  year      = {2019},
  abstract  = {Polyhydroxyalkanoates (PHAs) have attracted attention as degradable (co)polyesters which can be produced by microorganisms with variations in the side chain. This structural variation influences not only the thermomechanical properties of the material but also its degradation behavior. Here, we used Langmuir monolayers at the air-water (A-W) interface as suitable models for evaluating the abiotic degradation of two PHAs with different side-chain lengths and crystallinity. By controlling the polymer state (semi crystalline, amorphous), the packing density, the pH, and the degradation mechanism, we could draw several significant conclusions. (i) The maximum degree of crystallinity for a PHA film to be efficiently degraded up to pH = 12.3 is 40\%. (ii) PHA made of repeating units with shorter side-chain length are more easily hydrolyzed under alkaline conditions. The efficiency of alkaline hydrolysis decreased by about 65\% when the polymer was 40\% crystalline. (iii) In PHA films with a relatively high initial crystallinity, abiotic degradation initiated a chemicrystallization phenomenon, detected as an increase in the storage modulus (E'). This could translate into an increase in brittleness and reduction in the material degradability. Finally, we demonstrate the stability of the measurement system for long-term experiments, which allows degradation conditions for polymers that could closely simulate real-time degradation.},
  language  = {en}
}
@article{EiblHainzlVeselyetal.2019,
  author    = {Eibl, Eva P. S. and Hainzl, Sebastian and Vesely, Nele I. K. and Walter, Thomas R. and Jousset, Philippe and Hersir, Gylfi Pall and Dahm, Torsten},
  title     = {Eruption interval monitoring at strokkur Geyser, Iceland},
  series = {Geophysical research letters},
  volume    = {47},
  journal   = {Geophysical research letters},
  number    = {1},
  publisher = {American Geophysical Union},
  address   = {Washington},
  issn      = {0094-8276},
  doi       = {10.1029/2019GL085266},
  pages     = {10},
  year      = {2019},
  abstract  = {Geysers are hot springs whose frequency of water eruptions remain poorly understood. We set up a local broadband seismic network for 1 year at Strokkur geyser, Iceland, and developed an unprecedented catalog of 73,466 eruptions. We detected 50,135 single eruptions but find that the geyser is also characterized by sets of up to six eruptions in quick succession. The number of single to sextuple eruptions exponentially decreased, while the mean waiting time after an eruption linearly increased (3.7 to 16.4 min). While secondary eruptions within double to sextuple eruptions have a smaller mean seismic amplitude, the amplitude of the first eruption is comparable for all eruption types. We statistically model the eruption frequency assuming discharges proportional to the eruption multiplicity and a constant probability for subsequent events within a multituple eruption. The waiting time after an eruption is predictable but not the type or amplitude of the next one. <br /> Plain Language Summary Geysers are springs that often erupt in hot water fountains. They erupt more often than volcanoes but are quite similar. Nevertheless, it is poorly understood how often volcanoes and also geysers erupt. We created a list of 73,466 eruption times of Strokkur geyser, Iceland, from 1 year of seismic data. The geyser erupted one to six times in quick succession. We found 50,135 single eruptions but only 1 sextuple eruption, while the mean waiting time increased from 3.7 min after single eruptions to 16.4 min after sextuple eruptions. Mean amplitudes of each eruption type were higher for single eruptions, but all first eruptions in a succession were similar in height. Assuming a constant heat inflow at depth, we can predict the waiting time after an eruption but not the type or amplitude of the next one.},
  language  = {en}
}
@article{MalinovaKoesslerOrawetzetal.2019,
  author    = {Malinova, Irina and K{\"o}ssler, Stella and Orawetz, Tom and Matthes, Ulrike and Orzechowski, Slawomir and Koch, Anke and Fettke, J{\"o}rg},
  title     = {Identification of two Arabidopsis thaliana plasma membrane transporters able to transport glucose 1-phosphate},
  series = {Plant \& cell physiology},
  volume    = {61},
  journal   = {Plant \& cell physiology},
  number    = {2},
  publisher = {Oxford University Press},
  address   = {Oxford},
  issn      = {0032-0781},
  doi       = {10.1093/pcp/pcz206},
  pages     = {381 -- 392},
  year      = {2019},
  abstract  = {Primary carbohydrate metabolism in plants includes several sugar and sugar-derivative transport processes. Over recent years, evidences have shown that in starch-related transport processes, in addition to glucose 6-phosphate, maltose, glucose and triose-phosphates, glucose 1-phosphate also plays a role and thereby increases the possible fluxes of sugar metabolites in planta. In this study, we report the characterization of two highly similar transporters, At1g34020 and At4g09810, in Arabidopsis thaliana, which allow the import of glucose 1-phosphate through the plasma membrane. Both transporters were expressed in yeast and were biochemically analyzed to reveal an antiport of glucose 1-phosphate/phosphate. Furthermore, we showed that the apoplast of Arabidopsis leaves contained glucose 1-phosphate and that the corresponding mutant of these transporters had higher glucose 1-phosphate amounts in the apoplast and alterations in starch and starch-related metabolism.},
  language  = {en}
}
@article{MachatschekLendlein2019,
  author    = {Machatschek, Rainhard Gabriel and Lendlein, Andreas},
  title     = {Fundamental insights in PLGA degradation from thin film studies},
  series = {Journal of controlled release : official journal of the Controlled Release Society and of the Japanese Society of Drug Delivery Systems},
  volume    = {319},
  journal   = {Journal of controlled release : official journal of the Controlled Release Society and of the Japanese Society of Drug Delivery Systems},
  publisher = {Elsevier},
  address   = {New York},
  issn      = {0168-3659},
  doi       = {10.1016/j.jconrel.2019.12.044},
  pages     = {276 -- 284},
  year      = {2019},
  abstract  = {Poly(lactide-co-glycolide)s are commercially available degradable implant materials, which are typically selected based on specifications given by the manufacturer, one of which is their molecular weight. Here, we address the question whether variations in the chain length and their distribution affect the degradation behavior of Poly[(rac-lactide)-co-glycolide]s (PDLLGA). The hydrolysis was studied in ultrathin films at the air-water interface in order to rule out any morphological effects. We found that both for purely hydrolytic degradation as well as under enzymatic catalysis, the molecular weight has very little effect on the overall degradation kinetics of PDLLGAs. The quantitative analysis suggested a random scission mechanism. The monolayer experiments showed that an acidic micro-pH does not accelerate the degradation of PDLLGAs, in contrast to alkaline conditions. The degradation experiments were combined with interfacial rheology measurements, which showed a drastic decrease of the viscosity at little mass loss. The extrapolated molecular weight behaved similar to the viscosity, dropping to a value near to the solubility limit of PDLLGA oligomers before mass loss set in. This observation suggests a solubility controlled degradation of PDLLGA. Conclusively, the molecular weight affects the degradation of PDLLGA devices mostly in indirect ways, e.g. by determining their morphology and porosity during fabrication. Our study demonstrates the relevance of the presented Langmuir degradation method for the design of controlled release systems.},
  language  = {en}
}
@article{SolgerKunzFinketal.2019,
  author    = {Solger, Franziska and Kunz, Tobias C. and Fink, Julian and Paprotka, Kerstin and Pfister, Pauline and Hagen, Franziska and Schumacher, Fabian and Kleuser, Burkhard and Seibel, J{\"u}rgen and Rudel, Thomas},
  title     = {A role of sphingosine in the intracellular survival of Neisseria gonorrhoeae},
  series = {Frontiers in Cellular and Infection Microbiology},
  volume    = {10},
  journal   = {Frontiers in Cellular and Infection Microbiology},
  publisher = {Frontiers Media},
  address   = {Lausanne},
  issn      = {2235-2988},
  doi       = {10.3389/fcimb.2020.00215},
  pages     = {12},
  year      = {2019},
  abstract  = {Obligate human pathogenic Neisseria gonorrhoeae are the second most frequent bacterial cause of sexually transmitted diseases. These bacteria invade different mucosal tissues and occasionally disseminate into the bloodstream. Invasion into epithelial cells requires the activation of host cell receptors by the formation of ceramide-rich platforms. Here, we investigated the role of sphingosine in the invasion and intracellular survival of gonococci. Sphingosine exhibited an anti-gonococcal activity in vitro. We used specific sphingosine analogs and click chemistry to visualize sphingosine in infected cells. Sphingosine localized to the membrane of intracellular gonococci. Inhibitor studies and the application of a sphingosine derivative indicated that increased sphingosine levels reduced the intracellular survival of gonococci. We demonstrate here, that sphingosine can target intracellular bacteria and may therefore exert a direct bactericidal effect inside cells.},
  language  = {en}
}
@article{Huebener2019,
  author    = {H{\"u}bener, Kristina},
  title     = {Vollstreckungsrechtlicher Erziehungsauftrag in der DDR 1949 bis 1989/90},
  series = {Schwert der Justiz : das Gerichtsvollzieherwesen in Deutschland von 1800 bis zur Gegenwart},
  journal   = {Schwert der Justiz : das Gerichtsvollzieherwesen in Deutschland von 1800 bis zur Gegenwart},
  publisher = {be.bra wissenschafts Verlag},
  address   = {Berlin},
  isbn      = {978-3-95410-242-6},
  pages     = {129 -- 141},
  year      = {2019},
  language  = {de}
}
@article{Weigle2019,
  author    = {Weigle, Jeremias},
  title     = {Die Organisation des Gerichtsvolzieherwesen 1945-1949},
  series = {Schwert der Justiz : das Gerichtsvollzieherwesen in Deutschland von 1800 bis zur Gegenwart},
  journal   = {Schwert der Justiz : das Gerichtsvollzieherwesen in Deutschland von 1800 bis zur Gegenwart},
  publisher = {be.bra wissenschafts Verlag},
  address   = {Berlin},
  isbn      = {978-3-95410-242-6},
  pages     = {101 -- 127},
  year      = {2019},
  language  = {de}
}
@article{ZareHamedani2019,
  author    = {Zare-Hamedani, Naghme},
  title     = {Gerichtsvollzieher im "Dritten Reich"},
  series = {Schwert der Justiz : das Gerichtsvollzieherwesen in Deutschland von 1800 bis zur Gegenwart},
  journal   = {Schwert der Justiz : das Gerichtsvollzieherwesen in Deutschland von 1800 bis zur Gegenwart},
  publisher = {be.bra wissenschafts Verlag},
  address   = {Berlin},
  isbn      = {978-3-95410-242-6},
  year      = {2019},
  language  = {de}
}
@article{Goertemaker2019,
  author    = {G{\"o}rtemaker, Manfred},
  title     = {Vorwort},
  series = {Schwert der Justiz : das Gerichtsvollzieherwesen in Deutschland von 1800 bis zur Gegenwart},
  journal   = {Schwert der Justiz : das Gerichtsvollzieherwesen in Deutschland von 1800 bis zur Gegenwart},
  publisher = {be.bra wissenschafts Verlag},
  address   = {Berlin},
  isbn      = {978-3-95410-242-6},
  pages     = {7 -- 9},
  year      = {2019},
  language  = {de}
}
@article{HeisselPietrekRappetal.2019,
  author    = {Heissel, Andreas and Pietrek, Anou F. and Rapp, Michael A. and Heinzel, Stephan and Williams, Geoffrey},
  title     = {Perceived health care climate of older people attending an exercise program},
  series = {Journal of aging and physical activity : JAPA ; the official journal of the International Society for Aging and Physical Activity},
  volume    = {28},
  journal   = {Journal of aging and physical activity : JAPA ; the official journal of the International Society for Aging and Physical Activity},
  number    = {2},
  publisher = {Human Kinetics Publ.},
  address   = {Champaign},
  issn      = {1063-8652},
  doi       = {10.1123/japa.2018-0350},
  pages     = {276 -- 286},
  year      = {2019},
  abstract  = {The role of perceived need support from exercise professionals in improving mental health was examined in a sample of older adults, thereby validating the short Health Care Climate Questionnaire. A total of 491 older people (M = 72.68 years; SD = 5.47) attending a health exercise program participated in this study. Cronbach's alpha was found to be high (alpha = .90). Satisfaction with the exercise professional correlated moderately with the short Health Care Climate Questionnaire mean value (r = .38; p < .01). The mediator analyses yielded support for the self-determination theory process model in older adults by showing both basic need satisfaction and frustration as mediating variables between perceived autonomy support and depressive symptoms. The short Health Care Climate Questionnaire is an economical instrument for assessing basic need satisfaction provided by the exercise therapist from the participant's perspective. Furthermore, this cross-sectional study supported the link from coaching style to the satisfaction/frustration of basic psychological needs, which in turn, predicted mental health. Analyses of criterion validity suggest a revision of the construct by integrating need frustration.},
  language  = {en}
}