Zobrazeno 1 - 10
of 1 081
pro vyhledávání: '"R. Ullrich"'
Laboratory and field studies of ice-nucleating particles from open-lot livestock facilities in Texas
Autor:
N. Hiranuma, B. W. Auvermann, F. Belosi, J. Bush, K. M. Cory, D. G. Georgakopoulos, K. Höhler, Y. Hou, L. Lacher, H. Saathoff, G. Santachiara, X. Shen, I. Steinke, R. Ullrich, N. S. Umo, H. S. K. Vepuri, F. Vogel, O. Möhler
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 14215-14234 (2021)
In this work, an abundance of ice-nucleating particles (INPs) from livestock facilities was studied through laboratory measurements from cloud-simulation chamber experiments and field investigation in the Texas Panhandle. Surface materials from two l
Externí odkaz:
https://doaj.org/article/5227413c414542bcba346cdb43b40c8b
Autor:
O. Möhler, M. Adams, L. Lacher, F. Vogel, J. Nadolny, R. Ullrich, C. Boffo, T. Pfeuffer, A. Hobl, M. Weiß, H. S. K. Vepuri, N. Hiranuma, B. J. Murray
Publikováno v:
Atmospheric Measurement Techniques, Vol 14, Pp 1143-1166 (2021)
Atmospheric ice-nucleating particles (INPs) play an important role in determining the phase of clouds, which affects their albedo and lifetime. A lack of data on the spatial and temporal variation of INPs around the globe limits our predictive capaci
Externí odkaz:
https://doaj.org/article/4011f1ce9557432fb8dbffcabe96fd8e
Autor:
L. Ickes, G. C. E. Porter, R. Wagner, M. P. Adams, S. Bierbauer, A. K. Bertram, M. Bilde, S. Christiansen, A. M. L. Ekman, E. Gorokhova, K. Höhler, A. A. Kiselev, C. Leck, O. Möhler, B. J. Murray, T. Schiebel, R. Ullrich, M. E. Salter
Publikováno v:
Atmospheric Chemistry and Physics, Vol 20, Pp 11089-11117 (2020)
In recent years, sea spray as well as the biological material it contains has received increased attention as a source of ice-nucleating particles (INPs). Such INPs may play a role in remote marine regions, where other sources of INPs are scarce or a
Externí odkaz:
https://doaj.org/article/fe55062da0404943ba6b0dcb0f0dc0f2
Autor:
N. S. Umo, R. Wagner, R. Ullrich, A. Kiselev, H. Saathoff, P. G. Weidler, D. J. Cziczo, T. Leisner, O. Möhler
Publikováno v:
Atmospheric Chemistry and Physics, Vol 19, Pp 8783-8800 (2019)
Ice-nucleating particles (INPs), which are precursors for ice formation in clouds, can alter the microphysical and optical properties of clouds, thereby impacting the cloud lifetimes and hydrological cycles. However, the mechanisms with which these I
Externí odkaz:
https://doaj.org/article/012192eebcbd4a8c8c7a0bdb35666b79
Autor:
N. Hiranuma, K. Adachi, D. M. Bell, F. Belosi, H. Beydoun, B. Bhaduri, H. Bingemer, C. Budke, H.-C. Clemen, F. Conen, K. M. Cory, J. Curtius, P. J. DeMott, O. Eppers, S. Grawe, S. Hartmann, N. Hoffmann, K. Höhler, E. Jantsch, A. Kiselev, T. Koop, G. Kulkarni, A. Mayer, M. Murakami, B. J. Murray, A. Nicosia, M. D. Petters, M. Piazza, M. Polen, N. Reicher, Y. Rudich, A. Saito, G. Santachiara, T. Schiebel, G. P. Schill, J. Schneider, L. Segev, E. Stopelli, R. C. Sullivan, K. Suski, M. Szakáll, T. Tajiri, H. Taylor, Y. Tobo, R. Ullrich, D. Weber, H. Wex, T. F. Whale, C. L. Whiteside, K. Yamashita, A. Zelenyuk, O. Möhler
Publikováno v:
Atmospheric Chemistry and Physics, Vol 19, Pp 4823-4849 (2019)
We present the laboratory results of immersion freezing efficiencies of cellulose particles at supercooled temperature (T) conditions. Three types of chemically homogeneous cellulose samples are used as surrogates that represent supermicron and submi
Externí odkaz:
https://doaj.org/article/08f06bde9b57423cbfa05e229f398727
Autor:
N. A. Marsden, R. Ullrich, O. Möhler, S. Eriksen Hammer, K. Kandler, Z. Cui, P. I. Williams, M. J. Flynn, D. Liu, J. D. Allan, H. Coe
Publikováno v:
Atmospheric Chemistry and Physics, Vol 19, Pp 2259-2281 (2019)
The mineralogy and mixing state of dust particles originating from the African continent influences climate and marine ecosystems in the North Atlantic due to its effect on radiation, cloud properties and biogeochemical cycling. However, these proces
Externí odkaz:
https://doaj.org/article/4eb41f931fc341128ccd20d218e14daa
Autor:
P. J. DeMott, O. Möhler, D. J. Cziczo, N. Hiranuma, M. D. Petters, S. S. Petters, F. Belosi, H. G. Bingemer, S. D. Brooks, C. Budke, M. Burkert-Kohn, K. N. Collier, A. Danielczok, O. Eppers, L. Felgitsch, S. Garimella, H. Grothe, P. Herenz, T. C. J. Hill, K. Höhler, Z. A. Kanji, A. Kiselev, T. Koop, T. B. Kristensen, K. Krüger, G. Kulkarni, E. J. T. Levin, B. J. Murray, A. Nicosia, D. O'Sullivan, A. Peckhaus, M. J. Polen, H. C. Price, N. Reicher, D. A. Rothenberg, Y. Rudich, G. Santachiara, T. Schiebel, J. Schrod, T. M. Seifried, F. Stratmann, R. C. Sullivan, K. J. Suski, M. Szakáll, H. P. Taylor, R. Ullrich, J. Vergara-Temprado, R. Wagner, T. F. Whale, D. Weber, A. Welti, T. W. Wilson, M. J. Wolf, J. Zenker
Publikováno v:
Atmospheric Measurement Techniques, Vol 11, Pp 6231-6257 (2018)
The second phase of the Fifth International Ice Nucleation Workshop (FIN-02) involved the gathering of a large number of researchers at the Karlsruhe Institute of Technology's Aerosol Interactions and Dynamics of the Atmosphere (AIDA) facility to
Externí odkaz:
https://doaj.org/article/64c601933748490ca83b47dd984a0ccd
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-10 (2024)
Abstract C-type cytochromes fulfil many essential roles in both aerobic and anaerobic respiration. Their characterization requires large quantities of protein which can be obtained through heterologous production. Heterologous production of c-type cy
Externí odkaz:
https://doaj.org/article/eb133705117c4b0e8ae752be8fc82e17
Publikováno v:
Frontiers in Microbiology, Vol 15 (2024)
The tendency of the periplasmic redox proteins in acidophiles to have more positive redox potentials (Em) than their homologous counterparts in neutrophiles suggests an adaptation to acidic pH at protein level, since thermodynamics of electron transf
Externí odkaz:
https://doaj.org/article/4e75c076c29d4d96a4358074ff40956c
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