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  1. Book ; Online: Dioxine (PCDD/F und dl-PCB) im Wirkungspfad Boden - Grünland - Weiderind

    Müller, Ingo / Lindner, Anke / Frenzel, Thomas / Steinhöfel, Olaf / Haufe, Tobias

    Ressortübergreifendes Vorhaben der gemeinsamen Arbeitsgruppe Dioxine ; Landesuntersuchungsanstalt für das Gesundheits- und Veterinärwesen, Staatliche Betriebsgesellschaft für Umwelt und Landwirtschaft, Landesamt für Umwelt, Landwirtschaft und Geologie

    (Schriftenreihe des LfULG ; 2019, Heft 2)

    2019  

    Title variant Dioxintransfer Boden - Grünland - Rind ; Umschlagtitel: Dioxintransfer Boden - Grünland - Rind
    Institution Sächsisches Landesamt für Umwelt, Landwirtschaft und Geologie
    Author's details AG Dioxine: (Autoren) Dr. Ingo Müller, Anke Lindner, Dr. Thomas Frenzel, Prof. Dr. Olaf Steinhöfel ; (Projektleitung) Dr. Tobias Haufe [und weitere] ; Herausgeber: Sächsisches Landesamt für Umwelt, Landwirtschaft und Geologie (LfULG) ; Redaktion: Dr. Ingo Müller
    Series title Schriftenreihe des LfULG ; 2019, Heft 2
    Schriftenreihe des Landesamtes für Umwelt, Landwirtschaft und Geologie / Freistaat Sachsen
    Collection Schriftenreihe des Landesamtes für Umwelt, Landwirtschaft und Geologie / Freistaat Sachsen
    Subject code 630
    Language German
    Size 1 Online-Ressource (58 Seiten)
    Publisher Sächsisches Landesamt für Umwelt, Landwirtschaft und Geologie
    Publishing place Dresden
    Publishing country Germany
    Document type Book ; Online
    Note Open Access
    Remark Elektronischer Volltext
    HBZ-ID HT020000843
    DOI 10.4126/FRL01-006413299
    Database Repository for Life Sciences

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  2. Book ; Online: Dioxine (PCDD/F und dl-PCB) im Wirkungspfad Boden - Grünland - Weiderind

    Müller, Ingo / Lindner, Anke / Frenzel, Thomas / Steinhöfel, Olaf / Haufe, Tobias

    Ressortübergreifendes Vorhaben der gemeinsamen Arbeitsgruppe Dioxine ; Landesuntersuchungsanstalt für das Gesundheits- und Veterinärwesen, Staatliche Betriebsgesellschaft für Umwelt und Landwirtschaft, Landesamt für Umwelt, Landwirtschaft und Geologie

    (Schriftenreihe des LfULG ; 2019, Heft 2)

    2019  

    Title variant Dioxintransfer Boden - Grünland - Rind ; Umschlagtitel: Dioxintransfer Boden - Grünland - Rind
    Institution Sächsisches Landesamt für Umwelt, Landwirtschaft und Geologie
    Author's details AG Dioxine: (Autoren) Dr. Ingo Müller, Anke Lindner, Dr. Thomas Frenzel, Prof. Dr. Olaf Steinhöfel ; (Projektleitung) Dr. Tobias Haufe [und weitere] ; Herausgeber: Sächsisches Landesamt für Umwelt, Landwirtschaft und Geologie (LfULG) ; Redaktion: Dr. Ingo Müller
    Series title Schriftenreihe des LfULG ; 2019, Heft 2
    Schriftenreihe des Landesamtes für Umwelt, Landwirtschaft und Geologie / Freistaat Sachsen
    Collection Schriftenreihe des Landesamtes für Umwelt, Landwirtschaft und Geologie / Freistaat Sachsen
    Subject code 630
    Language German
    Size 1 Online-Ressource (58 Seiten)
    Publisher Sächsisches Landesamt für Umwelt, Landwirtschaft und Geologie
    Publishing place Dresden
    Publishing country Germany
    Document type Book ; Online
    Note Open Access
    Remark Elektronischer Volltext
    HBZ-ID HT020000843
    DOI 10.4126/FRL01-006413299
    Database Repository for Life Sciences

    Full text online

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  3. Book ; Thesis: Beeinflussung der Glutamat- und Stickstoffmonoxid-induzierten Toxizität bei dopaminergen Neuronen in Primärzellkultur durch die Dopaminagonisten Lisurid, Pergolid und das Coenzym Q10

    Lindner, Anke

    2009  

    Author's details vorgelegt von Anke Lindner
    Language German
    Size 101 Bl. : Ill., graph. Darst.
    Publishing country Germany
    Document type Book ; Thesis
    Thesis / German Habilitation thesis Dresden, Techn. Univ., Diss., 2010
    HBZ-ID HT016692712
    Database Catalogue ZB MED Medicine, Health

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    In stock of ZB MED Cologne/Königswinter

    Shelf markLoan statusLocation
    2011 E 454 order for loan Magazin

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  4. Book ; Thesis: Untersuchungen zur Nierenverträglichkeit von gereinigter Vancomycinpräparation

    Lindner, Anke

    eine Probandenstudie

    1994  

    Author's details vorgelegt von Anke Lindner
    Language German
    Size II, 95 S. : Ill.
    Document type Book ; Thesis
    Thesis / German Habilitation thesis Frankfurt (Main), Univ., Diss., 1995
    HBZ-ID HT006870493
    Database Catalogue ZB MED Medicine, Health

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    Shelf markLoan statusLocation
    96 D 546 order for loan Magazin

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  5. Article ; Online: Color-switching hydrogels as integrated microfluidic pressure sensors.

    Ducloué, Lucie / Haque, Md Anamul / Goral, Martyna / Ilyas, Muhammad / Gong, Jian Ping / Lindner, Anke

    Scientific reports

    2024  Volume 14, Issue 1, Page(s) 6333

    Abstract: Precisely measuring pressure in microfluidic flows is essential for flow control, fluid characterization, and monitoring, but faces specific challenges such as achieving sufficient resolution, non-invasiveness, or ease of use. Here, we demonstrate a ... ...

    Abstract Precisely measuring pressure in microfluidic flows is essential for flow control, fluid characterization, and monitoring, but faces specific challenges such as achieving sufficient resolution, non-invasiveness, or ease of use. Here, we demonstrate a fully integrated multiplexed optofluidic pressure sensor, entirely decoupled from the flow path, that enables local pressure measurements along any microfluidic channel without altering its flow geometry. The sensor itself relies on the compression of a soft mechano-actuated hydrogel, changing color in response to a pressure change. The hydrogel is separated from the fluid circulating in the channel by a thin membrane, allowing for the unrestricted use of different types of fluids. Imaging the gel through the transparent PDMS with a color camera provides a direct, easy, and contact-free determination of the fluid pressure at the sensing location for pressures as small as 20mbar with a resolution of around 10mbar. The sensitivity and accessible pressure range can be tuned via the mechanical properties of the sensing unit. The photonic gel can also be used to acquire 2D pressure or deformation maps, taking advantage of the fast response time and fine spatial resolution.
    Language English
    Publishing date 2024-03-15
    Publishing country England
    Document type Journal Article
    ZDB-ID 2615211-3
    ISSN 2045-2322 ; 2045-2322
    ISSN (online) 2045-2322
    ISSN 2045-2322
    DOI 10.1038/s41598-024-56140-z
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  6. Article ; Online: Asymmetric bistability of chiral particle orientation in viscous shear flows.

    Zöttl, Andreas / Tesser, Francesca / Matsunaga, Daiki / Laurent, Justine / du Roure, Olivia / Lindner, Anke

    Proceedings of the National Academy of Sciences of the United States of America

    2023  Volume 120, Issue 45, Page(s) e2310939120

    Abstract: The migration of helical particles in viscous shear flows plays a crucial role in chiral particle sorting. Attaching a nonchiral head to a helical particle leads to a rheotactic torque inducing particle reorientation. This phenomenon is responsible for ... ...

    Abstract The migration of helical particles in viscous shear flows plays a crucial role in chiral particle sorting. Attaching a nonchiral head to a helical particle leads to a rheotactic torque inducing particle reorientation. This phenomenon is responsible for bacterial rheotaxis observed for flagellated bacteria as
    Language English
    Publishing date 2023-10-31
    Publishing country United States
    Document type Journal Article
    ZDB-ID 209104-5
    ISSN 1091-6490 ; 0027-8424
    ISSN (online) 1091-6490
    ISSN 0027-8424
    DOI 10.1073/pnas.2310939120
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  7. Article: Dynamics of flexible filaments in oscillatory shear flows.

    Bonacci, Francesco / Chakrabarti, Brato / Saintillan, David / du Roure, Olivia / Lindner, Anke

    Journal of fluid mechanics

    2023  Volume 955

    Abstract: The fluid-structure interactions between flexible fibers and viscous flows play an essential role in various biological phenomena, medical problems, and industrial processes. Of particular interest is the case of particles freely transported in time- ... ...

    Abstract The fluid-structure interactions between flexible fibers and viscous flows play an essential role in various biological phenomena, medical problems, and industrial processes. Of particular interest is the case of particles freely transported in time-dependent flows. This work elucidates the dynamics and morphologies of actin filaments under oscillatory shear flows by combining microfluidic experiments, numerical simulations, and theoretical modeling. Our work reveals that, in contrast to steady shear flows, in which small orientational fluctuations from a flow-aligned state initiate tumbling and deformations, the periodic flow reversal allows the filament to explore many different configurations at the beginning of each cycle. Investigation of filament motion during half time periods of oscillation highlights the critical role of the initial filament orientation on the emergent dynamics. This strong coupling between orientation and deformation results in new deformation regimes and novel higher-order buckling modes absent in steady shear flows. The primary outcome of our analysis is the possibility of suppression of buckling instabilities for certain combinations of the oscillation frequency and initial filament orientation, even in very strong flows. We explain this unusual behavior through a weakly nonlinear Landau theory of buckling, in which we treat the filaments as inextensible Brownian Euler-Bernoulli rods whose hydrodynamics are described by local slender-body theory.
    Language English
    Publishing date 2023-01-19
    Publishing country England
    Document type Journal Article
    ZDB-ID 218334-1
    ISSN 1469-7645 ; 1750-6859 ; 0022-1120
    ISSN (online) 1469-7645 ; 1750-6859
    ISSN 0022-1120
    DOI 10.1017/jfm.2022.1040
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    Z 4' 69/66: Show issues
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  8. Book ; Online: Pitch Controls the Flexibility of Helical Ribbons

    Prévost, Lucas / Lindner, Anke / Roure, Olivia du

    2022  

    Abstract: Helical objects are often implemented in electronic or mechanical micro-systems, requiring a precise understanding of their mechanical properties. While helices formed by cylindrical filaments have been intensely investigated, little is known about the ... ...

    Abstract Helical objects are often implemented in electronic or mechanical micro-systems, requiring a precise understanding of their mechanical properties. While helices formed by cylindrical filaments have been intensely investigated, little is known about the role of the cross-section of the filament at the basis of the helical shape. We study experimentally the force-extension response of micro-helices fabricated from ultra-thin PMMA ribbons. Leveraging newly achieved control on the helix geometry, the influence of the helical pitch is quantified and a significant stiffening of the helical ribbons with increasing pitch is highlighted. Two phenomena are identified: a mechanical transition from a regime dominated by twisting of the ribbon at small pitch to a bending-dominated regime at high pitch and a purely geometrical effect, specific to helical ribbons. Excellent agreement is found with a previously established analytical model of inextensible elastic strips.
    Keywords Physics - Applied Physics ; Condensed Matter - Materials Science
    Subject code 612
    Publishing date 2022-08-19
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  9. Article ; Online: Chirality-induced bacterial rheotaxis in bulk shear flows.

    Jing, Guangyin / Zöttl, Andreas / Clément, Éric / Lindner, Anke

    Science advances

    2020  Volume 6, Issue 28, Page(s) eabb2012

    Abstract: Interaction of swimming bacteria with flows controls their ability to explore complex environments, crucial to many societal and environmental challenges and relevant for microfluidic applications such as cell sorting. Combining experimental, numerical, ... ...

    Abstract Interaction of swimming bacteria with flows controls their ability to explore complex environments, crucial to many societal and environmental challenges and relevant for microfluidic applications such as cell sorting. Combining experimental, numerical, and theoretical analysis, we present a comprehensive study of the transport of motile bacteria in shear flows. Experimentally, we obtain with high accuracy and, for a large range of flow rates, the spatially resolved velocity and orientation distributions. They are in excellent agreement with the simulations of a kinematic model accounting for stochastic and microhydrodynamic properties and, in particular, the flagella chirality. Theoretical analysis reveals the scaling laws behind the average rheotactic velocity at moderate shear rates using a chirality parameter and explains the reorientation dynamics leading to saturation at large shear rates from the marginal stability of a fixed point. Our findings constitute a full understanding of the physical mechanisms and relevant parameters of bacteria bulk rheotaxis.
    Keywords covid19
    Language English
    Publishing date 2020-07-10
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2810933-8
    ISSN 2375-2548 ; 2375-2548
    ISSN (online) 2375-2548
    ISSN 2375-2548
    DOI 10.1126/sciadv.abb2012
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  10. Article ; Online: Fiber Buckling in Confined Viscous Flows: An Absolute Instability Described by the Linear Ginzburg-Landau Equation.

    Cappello, Jean / du Roure, Olivia / Gallaire, François / Duprat, Camille / Lindner, Anke

    Physical review letters

    2022  Volume 129, Issue 7, Page(s) 74504

    Abstract: We explore the dynamics of a flexible fiber transported by a viscous flow in a Hele-Shaw cell of height comparable to the fiber height. We show that long fibers aligned with the flow experience a buckling instability. Competition between viscous and ... ...

    Abstract We explore the dynamics of a flexible fiber transported by a viscous flow in a Hele-Shaw cell of height comparable to the fiber height. We show that long fibers aligned with the flow experience a buckling instability. Competition between viscous and elastic forces leads to the deformation of the fiber into a wavy shape convolved by a Bell-shaped envelope. We characterize the wavelength and phase velocity of the deformation as well as the growth and spreading of the envelope. Our study of the spatiotemporal evolution of the deformation reveals a linear and absolute instability arising from a local mechanism well described by the Ginzburg-Landau equation.
    Language English
    Publishing date 2022-08-26
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.129.074504
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