Upconverted fluorescence in Nd3+- doped barium chloride single crystals (2009)
Ahrens, B., Miclea, P.T., Schweizer, S.
Upon excitation at 796 nm, Nd3+- doped BaCl2 single crystals show several upconverted fluorescence bands in the visible spectral range, with the most intense bands at 530, 590 and 660 nm, in addition...
Evaluation of a probabilistic hydrometeorological forecast system (2009)
Medium range hydrological forecasts in mesoscale catchments are only possible with the use of hydrological models driven by meteorological forecasts, which in particular contribute quantitative...
Evaluation of a probabilistic hydrometeorological forecast system (2009)
Medium range hydrological forecasts in mesoscale catchments are only possible with the use of hydrological models driven by meteorological forecasts, which in particular contribute quantitative...
Erbium- and chlorine-doped fluorozirconate-based glasses for up-converted fluorescence (2009)
Henke, B., Ahrens, B., Miclea, P.T., Eisenschmidt, C., Johnson, J.A., Schweizer, S.
A series of glass ceramics was prepared and its structure-property relationships evaluated. The base composition of the series was comprised of fluorozirconate (FZ) and fluorochlorozirconate (FCZ)...
Ahrens, B., Eisenschmidt, C., Johnson, J.A., Miclea, P.T., Schweizer, S.
We found enhanced upconverted fluorescence in Nd3+-doped fluorozirconate glasses which were additionally doped with chlorine ions. Upon annealing between 240 and 290°C, hexagonal phase BaCl2...
A probabilistic view on the August 2005 floods in the upper Rhine catchment (2008)
Jaun, S., Ahrens, B., Walser, A., Ewen, T., Schär, C.
Appropriate precautions in the case of flood occurrence often require long lead times (several days) in hydrological forecasting. This in turn implies large uncertainties that are mainly inherited...
A probabilistic view on the August 2005 floods in the upper Rhine catchment (2008)
Jaun, S., Ahrens, B., Walser, A., Ewen, T., Schär, C.
Appropriate precautions in the case of flood occurrence often require long lead times (several days) in hydrological forecasting. This in turn implies large uncertainties that are mainly inherited...
Sm-activated barium halide nanocrystals in fluorozirconate glasses (2008)
Ahrens, B., Selling, J., Eisenschmidt, C., Engel, A., Schweizer, S.
Fluorozirconate-based glasses have been doped with samarium and bromine ions. Thermal processing initiates the formation of barium bromide nanocrystals in the glass. Samarium enters the glass matrix...
Lauterbach, E., Felber, W., Müller-Oerlinghausen, B., Ahrens, B., Bronisch, T., Meyer, T., ...
Evidence based on controlled studies is still limited for treatment strategies that prevent recurrence of suicide attempts. Findings from observational as well as meta-analytic studies strongly...
Ahrens, B., Henke, B., Miclea, P.T., Johnson, J.A., Schweizer, S.
Thermal processing of as-made fluorozirconate glasses which were additionally doped with neodymium and chlorine ions leads to enhanced up-conversion fluorescence intensities in these glass ceramics....
Ahrens, B., Löper, P., Goldschmidt, J.C., Glunz, S., Henke, B., Miclea, P.T., ...
Thermal processing of as-made fluorozirconate glasses which were additionally doped with neodymium and chlorine ions leads to enhanced upconversion fluorescence intensities. The samples were annealed...
A new series of dinuclear Au(I) complexes linked by diethynylpyridine groups (2008)
Li, P., Ahrens, B., Bond, A. D., Davies, J. E., Koentjoro, O. F., Raithby, P. R., ...
A series of novel digold complexes incorporating ethynyl pyridine derivatives as a spacer unit, [(R3P) Au(C=C) X(C=C) Au(PR3)] (R = Ph, X = 2,5-pyridine (1); R = Cy (cyclohexane), X = 2,5-pyridine...
Ahrens, B., Clarke, L. P., Feeder, N., Khan, M. S., Li, P. Y., Martin, J. N., ...
The reaction of 2 equiv. of [Os-3(CO)(10)(MeCN)(2)] with R-C C-L-C C-R (R = H, L = (C4H2S); R = SiMe3, L=(C4H2S-C4H2S), (C4H2S-C4H2S-C4H2S), (C4H2S)-(C14H8)-(C4H2S)) affords the series of linked...
A probabilistic view on the August 2005 floods in the upper Rhine catchment (2008)
S. Jaun, B. Ahrens, A. Walser, T. Ewen, C. Schär
Appropriate precautions in the case of flood occurrence often require long lead times (several days) in hydrological forecasting. This in turn implies large uncertainties that are mainly inherited...
Schweizer, S., Henke, B., Ahrens, B.
Thermal processing of as-made fluorozirconate glasses, which were additionally doped with rare earth and chlorine ions, leads to enhanced fluorescence intensities. For up-conversion applications, the...
On evaluation of ensemble precipitation forecasts with observation-based ensembles (2007)
Spatial interpolation of precipitation data is uncertain. How important is this uncertainty and how can it be considered in evaluation of high-resolution probabilistic precipitation forecasts? These...
On evaluation of ensemble precipitation forecasts with observation-based ensembles (2007)
Spatial interpolation of precipitation data is uncertain. How important is this uncertainty and how can it be considered in evaluation of high-resolution probabilistic precipitation forecasts? These...
On evaluation of ensemble precipitation forecasts with observation-based ensembles (2007)
Spatial interpolation of precipitation data is uncertain. How important is this uncertainty and how can it be considered in evaluation of high-resolution probabilistic precipitation forecasts? These...
On evaluation of ensemble precipitation forecasts with observation-based ensembles (2007)
Spatial interpolation of precipitation data is uncertain. How important is this uncertainty and how can it be considered in evaluation of high-resolution probabilistic precipitation forecasts? These...
Distance in spatial interpolation of daily rain gauge data (2006)
Spatial interpolation of rain gauge data is important in forcing of hydrological simulations or evaluation of weather predictions, for example. This paper investigates the application of statistical...
Detection of allergen-induced airway hyperresponsiveness in isolated mouse lungs (2006)
Witzenrath, M., Ahrens, B., Kube, S.M., Braun, A., Hoymann, H.G., Hocke, A.C., ...
Airway hyperresponsiveness (AHR) is a hallmark of bronchial asthma. Important features of this exaggerated response to bronchoconstrictive stimuli have mostly been investigated in vivo in intact...
Distance in spatial interpolation of daily rain gauge data (2006)
Spatial interpolation of rain gauge data is important in forcing of hydrological simulations or evaluation of weather predictions, for example. This paper investigates the application of statistical...
Distance in spatial interpolation of daily rain gauge data (2006)
Spatial interpolation of rain gauge data is important in forcing of hydrological simulations or evaluation of weather predictions, for example. This paper investigates the application of statistical...
Distance in spatial interpolation of daily rain gauge data (2005)
Spatial interpolation of rain gauge data is important in forcing of hydrological simulations or evaluation of weather predictions, for example. The spatial density of available data sites is often...
Distance in spatial interpolation of daily rain gauge data (2005)
Spatial interpolation of rain gauge data is important in forcing of hydrological simulations or evaluation of weather predictions, for example. The spatial density of available data sites is often...
Li, P., Ahrens, B., Feeder, N., Raithby, P. R., Teat, S. J., Khan, M. S.
A series of protected and terminal dialkynes with extended pi-conjugation through the fused oligothienyl linker unit in the backbone, 2,5-bis(trimethylsilylethynyl)thieno[3,2-b]thiophene 1a,...
trans-(mu-5,5 '-diethynyl-2,2 '-bipyridine)bis-[phenylbis(triethylphosphine)platinum(II)] (2004)
Khan, M. S., Al-Suti, M. K., Ahrens, B., Raithby, P. R., Teat, S. J.
The title compound, [Pt-2(C6H5)(2)(C14H6N2)(C6H15P)(4)], is a dinuclear Pt-II di-yne complex that exhibits pi-conjugation along the molecular backbone. It is used as a model complex for rigid-rod...
2,5-Bis(trimethylsilylethynyl)thieno[3,2-b]thiophene (2004)
Khan, M. S., Al-Naamani, R. S., Ahrens, B., Raithby, P. R.
2,5-Bis(trimethylsilylethynyl)thieno[3,2-b]thiophene, C16H20S2Si2, is a trimethylsilyl-protected diyne. It is a precursor in the formation of platinum and gold diyne complexes and and polyyne...
Khan, M. S., Al-Suti, M. K., Al-Battashi, F. R., Al-Saadi, S., Ahrens, B., ...
A series of protected and terminal dialkynes with extended.-conjugation through a condensed aromatic linker unit in the backbone, 1,4-bis(trimethylsilylethynyl) naphthalene, 2a,...
2,6-bis(trimethylsilylethynyl)dithieno[3,2-b : 2 ',3 '-d]thiophene (2004)
Khan, M. S., Ahrens, B., Raithby, P. R., Teat, S. J.
The title compound, C18H20S3Si2, is a precursor in the formation of platinum and gold di-yne complexes and poly-yne polymers. These materials are of interest because of the pi-conjugation that...
5,5 '-bis(trimethylsilylethynyl)-2,2 '-bipyridine (2004)
Khan, M. S., Ahrens, B., Male, L., Raithby, P. R.
The title compound, 5,5'-bis(trimethylsilylethynyl)-2,2'-bipyridine, C20H24N2Si2, is a trimethylsilyl-protected dialkyne. It is a precursor in the preparation of platinum di-yne complexes and...
Ahrens, B, Cole, JM, Hickey, JP, Martin, JN, Mays, MJ, Raithby, PR, ...
Synthesis of complexes 2,2':6'2 (2003)
Cotton, SA, Franckevicius, V, How, RE, Ahrens, B, Ooi, L, Mahon, MF, ...
On ALADIN precipitation modeling and validation in an Alpine watershed (2003)
Ahrens, B., Jasper, K., Gurtz, J.
Highly resolved precipitation forecasts are necessary in many applications, especially in mountain meteorology and flash flood forecasts for small- to medium-sized alpine watersheds. Here we present...
On ALADIN precipitation modeling and validation in an Alpine watershed (2003)
Ahrens, B., Jasper, K., Gurtz, J.
Highly resolved precipitation forecasts are necessary in many applications, especially in mountain meteorology and flash flood forecasts for small- to medium-sized alpine watersheds. Here we present...
Khan, M. S., Al-Suti, M. K., Ahrens, B., Bjernemose, J. K., Mahon, M. F., ...
A new series of rigid rod protected and terminal dialkynes with extended pi-conjugation through aromatic and hetero-aromatic linker units in the backbone,...
Khan, M. S., Al-Suti, M. K., Ahrens, B., Mahon, M. F., Male, L., ...
A series of trimethylsilyl-protected and terminal mono- and bis-alkynes based on 9,9-dioctylfluorene, 2-(trimethylsilylethynyl)- 9,9-dioctyl uorene 1a, 2-ethynyl-9,9-dioctyl uorene 1b,...
Cotton, S. A., Franckevicius, V., How, R. E., Ahrens, B., Ooi, L. L., Mahon, M. F., ...
The complexes [Ln(terpy)(2)(NCS)(3)] (Ln = Pr (1), Nd (2); terpy = 2,2':6',2"-terpyridine), [Nd(terpY)2(NCS)(3)]-2EtOH (3) and [Ln(phen)3(NCS)3].EtOH (Ln = Pr(4), Nd (5); phen = 1,10-phenanthroline)...
Ahrens, B., Cole, J. M., Hickey, J. P., Martin, J. N., Mays, M. J., Raithby, P. R., ...
The reaction of metallophosphanides with MLnX leads to the formation of mixed-metal clusters via complexes that consist of a metallophosphine coordinated through the lone pair on the phosphorus atom...
Structural variety in nitrite complexes of the heavy lanthanides with 2,2':6'2 (2002)
Ahrens, B, Cotton, SA, Feeder, N, Noy, OE, Raithby, PR, Teat, SJ
Metal-metal and ligand-ligand interactions in gold poly-yne systems (2002)
Li, P. Y., Ahrens, B., Choi, K. H., Khan, M. S., Raithby, P. R., Wilson, P. J., ...
The acetylide-functionalised thiophene gold(I) complexes [(PPh3)Au(C=C(C4H2S)(C4H3S))] 1, [(PPh3)Au(C=C(C4H2S)C=C)Au(PPh3)] 2, [(PR3)Au(C=C(C4H2S)(2)C=C)Au(PR3)] (R = Ph 3, Cy 4) and...
Khan, M. S., Al-Suti, M. K., Hisahm, A. K., Raithby, P. R., Ahrens, B., ...
A series of trimethylsilyl-protected bis(ethynyl)oligopyridine derivatives Me3SiC=C-R-C=C-SiMe3 (R = 2,2'-bipyridine-5,5'-diyl (1a), 2,2'-bipyridine-6,6'-diyl (2a), 2,2':6',2"-terpyridine-6,6"-diyl...
5,8-Diethynyl-2,3-diphenylquinoxaline (2002)
Khan, M. S., Ahrens, B., Mahon, M. F., Male, L., Raithby, P. R.
4,7-Bis(trimethylsilylethynyl)-2,1,3-benzothiadiazole (2002)
Kahn, M. S., Ahrens, B., Mahon, M. F., Male, L., Raithby, P. R.
Ahrens, B., Cotton, S. A., Feeder, N., Noy, O. E., Raithby, P. R., Teat, S. J.
Structural studies show that the solvolysis of a nitrate group in the heavy lanthanide complexes [Ln(terpy)(NO3)(3)] {Ln = Yb, Lu; terpy = 2,2': 6', 2"-terpyridine} is stereoselective. In the...
Perez, EP, Ahrens, B, Davidson, MG, Raithby, PR, Teat, SJ, Alvarez, IP, ...
Perez, E. P., Ahrens, B., Davidson, M. G., Raithby, P. R., Teat, S. J., Alvarez, I. P., ...
Novel 1,2,5,6-tetrahydro 1,3-oxaza-4-phospha-2-phosphorine 2-oxides have been synthesised stereoselectively through addition of aldehydes and ketones to lithiated (N-diphenylphosphoryl)phosphazenes.
New developments in soil classification World Reference Base for Soil Resources (2000)
Nachtergaele, F.O., Spaargaren, O., Deckers, J.A., Ahrens, B.
It has been a matter of great concern that after hundred years of modern soil science a generally accepted system of soil classification has not yet been universally adopted [Dudal, R., 1990....
"Chronische Suizidalität" - Versuch einer Begriffsbestimmung. (2000)
Wolfersdorf, M., Felber, W., Ahrens, B., Bronisch, T., Cording, C., Giernalczyk, T., ...
Duffy, A, Turecki, G, Grof, P, Cavazzoni, P, Grof, E, Joober, R, ...
OBJECTIVE: To test for genetic linkage and association with GABAergic candidate genes in lithium-responsive bipolar disorder. DESIGN: Polymorphisms located in genes that code for GABRA3, GABRA5 and...
Duffy, A, Turecki, G, Grof, P, Cavazzoni, P, Grof, E, Joober, R, ...
OBJECTIVE: To test for genetic linkage and association with GABAergic candidate genes in lithium-responsive bipolar disorder. DESIGN: Polymorphisms located in genes that code for GABRA3, GABRA5 and...