Search Results - "Langer, G."

Coccolith crystals: Pure calcite or organic-mineral composite structures? by Walker, J.M., Langer, G.

“…The localization of organic material within biominerals is central to developing biomineral formation mechanisms. Coccoliths, morphologically sophisticated…”
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Stable Carbon Isotope Signature of Methane Released From Phytoplankton by Klintzsch, T., Geisinger, H., Wieland, A., Langer, G., Nehrke, G., Bizic, M., Greule, M., Lenhart, K., Borsch, C., Schroll, M., Keppler, F.

“…Aquatic ecosystems play an important role in global methane cycling and many field studies have reported methane supersaturation in the oxic surface mixed…”
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Strain-specific responses of Emiliania huxleyi to changing seawater carbonate chemistry by Langer, G., Nehrke, G., Probert, I., Ly, J., Ziveri, P.

“…Four strains of the coccolithophore E. huxleyi (RCC1212, RCC1216, RCC1238, RCC1256) were grown in dilute batch culture at four CO2 levels ranging from ~200…”
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Experimental research on hydrogen deflagration in multi-compartment geometry and application to nuclear reactor conditions by Gupta, S., Langer, G.

“…•Hydrogen deflagration experiments in vented and closed configuration are discussed.•Effects typical for multi-compartment geometries are analysed.•Scale…”
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Self-cooling of a micromirror by radiation pressure by Aspelmeyer, M, Gigan, S, Böhm, H. R, Paternostro, M, Blaser, F, Langer, G, Hertzberg, J. B, Schwab, K. C, Bäuerle, D, Zeilinger, A

“…Cooling of mechanical resonators is currently a popular topic in many fields of physics including ultra-high precision measurements, detection of gravitational…”
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A new model for biomineralization and trace-element signatures of Foraminifera tests by Nehrke, G, Keul, N, Langer, G, de Nooijer, L. J, Bijma, J, Meibom, A

“…The Mg/Ca ratio of Foraminifera calcium carbonate tests is used as proxy for seawater temperature and widely applied to reconstruct global paleo-climatic…”
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Emiliania huxleyi shows identical responses to elevated pCO2 in TA and DIC manipulations by HOPPE, CJ. M, LANGER, G, ROST, B

“…With respect to their sensitivity to ocean acidification, calcifiers such as the coccolithophore Emiliania huxleyi have received special attention, as the…”
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SOMP2B scientific nanosatellite of TU Dresden: operation and first results by Langer, G., Bärtling, Y., Schmiel, T.

“…This paper presents the first in-orbit results of the modular two-unit (2U) nanosatellite SOMP2b, focusing on the satellite bus itself and its scientific…”
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Effect of ocean acidification on the benthic foraminifera Ammonia sp. is caused by a decrease in carbonate ion concentration by Keul, N, Langer, G, de Nooijer, L. J, Bijma, J

“…About 30% of the anthropogenically released CO2 is taken up by the oceans; such uptake causes surface ocean pH to decrease and is commonly referred to as ocean…”
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Early History of Amnesia by Langer, Karen G

“…Memory and forgetfulness have been viewed since antiquity from perspectives of physical, emotional, and spiritual states of well-being, and conceptualized…”
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Adhesion forces measured at the level of a terminal plate of the fly's seta by Langer, M.G, Ruppersberg, J.P, Gorb, S

“…The attachment pads of fly legs are covered with setae, each ending in small terminal plates coated with secretory fluid. A cluster of these terminal plates…”
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Unexpected silicon localization in calcium carbonate exoskeleton of cultured and fossil coccolithophores by Bordiga, M., Lupi, C., Langer, G., Gianoncelli, A., Birarda, G., Pollastri, S., Bonanni, V., Bedolla, D. E., Vaccari, L., Gariani, G., Cerino, F., Cabrini, M., Beran, A., Zuccotti, M., Fiorentino, G., Zanoni, M., Garagna, S., Cobianchi, M., Di Giulio, A.

“…Coccolithophores, marine calcifying phytoplankton, are important primary producers impacting the global carbon cycle at different timescales. Their biomineral…”
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Different response of bacteria, archaea and fungi to process parameters in nine full‐scale anaerobic digesters by Langer, Susanne G., Gabris, Christina, Einfalt, Daniel, Wemheuer, Bernd, Kazda, Marian, Bengelsdorf, Frank R.

“…Summary Biogas production is a biotechnological process realized by complex bacterial, archaeal and likely fungal communities. Their composition was assessed…”
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Interface induced diffusion by Gurbán, S., Sulyok, A., Menyhárd, Miklos, Baradács, E., Parditka, B., Cserháti, C., Langer, G. A., Erdélyi, Z.

“…Interface induced diffusion had been identified in a thin film system damaged by electron bombardment. This new phenomenon was observed in Al 2 O 3 (some nm…”
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Ethics of artificial intelligence in radiology: summary of the joint European and North American multisociety statement by Geis, J. Raymond, Brady, Adrian, Wu, Carol C., Spencer, Jack, Ranschaert, Erik, Jaremko, Jacob L., Langer, Steve G., Kitts, Andrea Borondy, Birch, Judy, Shields, William F., van den Hoven van Genderen, Robert, Kotter, Elmar, Gichoya, Judy Wawira, Cook, Tessa S., Morgan, Matthew B., Tang, An, Safdar, Nabile M., Kohli, Marc

“…This is a condensed summary of an international multisociety statement on ethics of artificial intelligence (AI) in radiology produced by the ACR, European…”
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Limpets counteract ocean acidification induced shell corrosion by thickening of aragonitic shell layers by Langer, G, Nehrke, G, Baggini, C, Rodolfo-Metalpa, R, Hall-Spencer, J. M, Bijma, J

“…Specimens of the patellogastropod limpet Patella caerulea were collected within (pHlow-shells) and outside (pHn-shells) a CO2 vent site at Ischia, Italy. Four…”
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Implications of observed inconsistencies in carbonate chemistry measurements for ocean acidification studies by Hoppe, C. J. M, Langer, G, Rokitta, S. D, Wolf-Gladrow, D. A, Rost, B

“…The growing field of ocean acidification research is concerned with the investigation of organism responses to increasing pCO2 values. One important approach…”
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Effects of Temperature and Light on Methane Production of Widespread Marine Phytoplankton by Klintzsch, T., Langer, G., Wieland, A., Geisinger, H., Lenhart, K., Nehrke, G., Keppler, F.

“…Methane (CH4) production in the ocean surface mixed layer is a widespread but still largely unexplained phenomenon. In this context marine algae have recently…”
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Coccospheres confer mechanical protection: New evidence for an old hypothesis by Jaya, B.N., Hoffmann, R., Kirchlechner, C., Dehm, G., Scheu, C., Langer, G.

“…[Display omitted] Emiliania huxleyi has evolved an extremely intricate coccosphere architecture. The coccosphere is comprised of interlocking coccoliths…”
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A universal carbonate ion effect on stable oxygen isotope ratios in unicellular planktonic calcifying organisms by Ziveri, P, Thoms, S, Probert, I, Geisen, M, Langer, G

“…The oxygen isotopic composition (δ18O) of calcium carbonate of planktonic calcifying organisms is a key tool for reconstructing both past seawater temperature…”
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