Search Results - "Weckert, Edgar"
-
1
The potential of future light sources to explore the structure and function of matter
Published in IUCrJ (01-03-2015)“…Structural studies in general, and crystallography in particular, have benefited and still do benefit dramatically from the use of synchrotron radiation…”
Get full text
Journal Article -
2
PETRA IV: the ultralow‐emittance source project at DESY
Published in Journal of synchrotron radiation (01-09-2018)“…The PETRA IV project aims at upgrading the present synchrotron radiation source PETRA III at DESY into an ultralow‐emittance source. Being diffraction limited…”
Get full text
Journal Article -
3
Crystal structure of small protein crambin at 0.48 Å resolution
Published in Acta crystallographica. Section F, Structural biology and crystallization communications (01-04-2011)“…With the development of highly brilliant and extremely intense synchrotron X‐ray sources, extreme high‐resolution limits for biological samples are now…”
Get full text
Journal Article -
4
Optical Rotation of Achiral Pentaerythritol
Published in Journal of the American Chemical Society (22-11-2006)“…The optical rotatory power of achiral crystals of achiral pentaerythritol molecules was measured. The maximum rotations were found to be ±6°/mm. The quantum…”
Get full text
Journal Article -
5
A fast X-ray chopper for single-bunch extraction at synchrotron sources
Published in Journal of applied crystallography (01-10-2009)“…A new X‐ray chopper system based on air‐bearing technology was developed in a joint project between the Paul Scherrer Institut and DESY. The X‐ray chopper…”
Get full text
Journal Article -
6
The potential of future light sources to explore the structure and function of matter
Published in Acta crystallographica. Section A, Foundations and advances (05-08-2014)“…Abstract only Structural studies in general and in particular in crystallography have benefited and still do benefit dramatically from the use of synchrotron…”
Get full text
Journal Article -
7
Potential for biomolecular imaging with femtosecond X-ray pulses
Published in Nature (London) (17-08-2000)“…Sample damage by X-rays and other radiation limits the resolution of structural studies on non-repetitive and non-reproducible structures such as individual…”
Get full text
Journal Article -
8
The synchrotron radiation source PETRA III and its future ultra-low-emittance upgrade PETRA IV
Published in European physical journal plus (06-12-2022)“…PETRA III at DESY is one of the brightest synchrotron radiation sources worldwide. It serves a broad international multidisciplinary user community from…”
Get full text
Journal Article -
9
-
10
Ga22[Si(SiMe3)3]8: The Largest Atom-Centered Neutral Main Group Metal Cluster
Published in Angewandte Chemie International Edition (15-11-1999)“…A metal‐rich intermediate was captured prior to metal formation by means of a substitution reaction during the disproportionation of a metastable GaI bromide…”
Get full text
Journal Article -
11
Two Metalloid Ga22 Clusters Containing a Novel Ga22 Core with an Icosahedral Ga12 Center
Published in Chemistry : a European journal (19-04-2004)“…In addition to the two so far known types of metalloid Ga22 clusters a new type is presented in two compounds containing the anions [Ga22Br{N(SiMe3)2}10Br10]3−…”
Get full text
Journal Article -
12
Accurate rocking-curve measurements on protein crystals grown in a homogeneous magnetic field of 2.4 T
Published in Acta crystallographica. Section D, Biological crystallography. (01-06-2004)“…Differences in mosaicity between lysozyme crystals grown inside and outside a homogeneous magnetic field of 2.4 T and with and without agarose gel were…”
Get full text
Journal Article -
13
Chemoenzymatic synthesis of enantiomerically pure tricyclic benzomorphan analogues
Published in Tetrahedron: asymmetry (17-11-2006)“…The key step in the synthesis of enantiomerically pure benzomorphan analogous tricyclic amines 2 is the kinetic resolution of secondary alcohol 7 using the…”
Get full text
Journal Article -
14
Digital in-line holography with femtosecond VUV radiation provided by the free-electron laser FLASH
Published in Optics express (11-05-2009)“…Femtosecond vacuum ultraviolet (VUV) radiation provided by the free-electron laser FLASH was used for digital in-line holographic microscopy and applied to…”
Get full text
Journal Article -
15
Preparation and Precise Structural Determination of a Second Ga 84 Cluster Compound. A First Hint for Cluster Doping and Its Fundamental Consequences in the Field of Chemistry and Physics of Nanoscaled Metalloid Cluster Material
Published in Inorganic chemistry (01-12-2003)Get full text
Journal Article -
16
Two Metalloid Ga 22 Clusters Containing a Novel Ga 22 Core with an Icosahedral Ga 12 Center
Published in Chemistry : a European journal (19-04-2004)“…In addition to the two so far known types of metalloid Ga 22 clusters a new type is presented in two compounds containing the anions [Ga 22 Br{N(SiMe 3 ) 2 }…”
Get full text
Journal Article -
17
Crystal structure of small protein crambin at 0.48Å resolution
Published in Acta crystallographica. Section F, Structural biology communications (01-04-2011)“…With the development of highly brilliant and extremely intense synchrotron X-ray sources, extreme high-resolution limits for biological samples are now…”
Get full text
Journal Article -
18
Direct phasing of macromolecular structures by three-beam diffraction
Published in Proceedings of the Royal Society. A, Mathematical and physical sciences (08-07-1993)“…Determination of triplet phases of macromolecular structures by means of ψ-scan experiments are reported. The ways in which difficulties can be overcome when…”
Get full text
Journal Article -
19
Investigation of radiation-dose-induced changes in organic light-atom crystals by accurate d-spacing measurements
Published in Journal of synchrotron radiation (01-11-2002)“…Changes in d-spacing have been measured for organic compounds as a function of temperature, wavelength and primary beam intensity using intense synchrotron…”
Get more information
Journal Article -
20
Preparation and Precise Structural Determination of a Second Ga84 Cluster Compound. A First Hint for Cluster Doping and Its Fundamental Consequences in the Field of Chemistry and Physics of Nanoscaled Metalloid Cluster Material
Published in Inorganic chemistry (01-12-2003)“…The Ga84R20 4- [R = N(SiMe3)2] species, which represents the largest metalloid cluster entity structurally characterized so far, has been electronically and…”
Get full text
Journal Article