Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Andreas Kamlowski"'
Publikováno v:
Food Chemistry. 96:436-440
Time-domain nuclear magnetic resonance (TD-NMR) is widely used within food industries for QC/QA applications. Precise determination of moisture and water is of fundamental interest. To determine moisture and water in the presence of lipids, the minis
Autor:
Wolfgang Burk, Andreas Guthausen, Andreas Kamlowski, Dieter Schmalbein, Harald Todt, Gisela Guthausen
Publikováno v:
Journal of the American Oil Chemists' Society. 81:727-731
Fat content is one of the important parameters of quality control in many food products. Several techniques are used to determine the amount of fat in a given product. In this work, the applicability of a portable dedicated nuclear magnetic resonance
Autor:
Marc F. Desrosiers, Robert Glenn, Robert J. Densock, Brian Lang, Diether Maier, Vitaly Nagy, Arthur H Heiss, David C. Stieren, Andreas Kamlowski, James M. Puhl
Publikováno v:
Radiation Physics and Chemistry. 63:759-763
The National Institute of Standards and Technology (NIST) is expanding into a new frontier in the delivery of measurement services. The Internet will be employed to provide industry with electronic traceability to national standards. This is a radica
Autor:
Dieter Schmalbein, Andreas Kamlowski, Andreas Guthausen, Wolfgang Burk, Gisela Guthausen, Harald Todt
Publikováno v:
European Journal of Lipid Science and Technology. 103:835-840
Cette etude detaille les applications de la RMN dans le domaine temps au controle qualite ainsi qu'a la Recherche et Developpement dans l'agro-alimentaire. Des normes internationales comme le contenu en graisse solide SFC et la determination de la te
Autor:
Gisela Guthausen, Andreas Kamlowski, Thorsten Hofe, Markus Cudaj, Manfred Wilhelm, Diether Maier
Publikováno v:
Nachrichten aus der Chemie. 58:1155-1157
Ein NMR-Prototyp nutzt die 1H-Spektroskopie bei 20 MHz und eroffnet neue Perspektiven fur Reaktions- und Qualitatskontrolle.
Autor:
Stephan G. Zech, Wulf Hofbauer, Robert Bittl, Andreas Kamlowski, Wolfgang Lubitz, Dietmar Stehlik, Petra Fromme
Publikováno v:
The Journal of Physical Chemistry B. 104:9728-9739
The charge separated state (P700 = primary electron donor, A1 = phylloquinone electron acceptor) in photosystem I of oxygenic photosynthesis has been investigated by EPR spectroscopy in frozen solu...
Autor:
Horst Tobias Witt, Andreas Kamlowski, Stephan G. Zech, Dietmar Stehlik, Wolfgang Lubitz, Robert Bittl, Petra Fromme
Publikováno v:
The Journal of Physical Chemistry B. 102:8266-8277
The light-induced, charge-separated state in single crystals of Photosystem I (PSI) from the cyanobacterium Synechococcus elongatus is investigated with transient, direct-detection EPR spectroscopy...
Autor:
Robert Bittl, Andreas Kamlowski, Art van der Est, Wolfgang Lubitz, Stephan G. Zech, Petra Fromme, Dietmar Stehlik, Brigitte Altenberg-Greulich
Publikováno v:
The Journal of Physical Chemistry B. 102:8278-8287
The nature of the binding site of the quinone acceptor A1 in Photosystem I (PSI) is studied by modeling the protein and cofactor on the basis of structural data derived from the intermediate resolution 4 A X-ray diffraction electron density map, the
Publikováno v:
Biochimica et Biophysica Acta (BBA) - Bioenergetics. 1319(2-3):185-198
Low temperature EPR results from Photosystem I (PS I) single crystals of Synechococcus elongatus are presented. Illumination at 150 K and pH 6.4 is used to photoreduce the two terminal 4Fe–4S centers to the noninteracting state (F−A)+(F−B). Fro
Publikováno v:
Berichte der Bunsengesellschaft für physikalische Chemie. 100:2028-2035
The role of the first stabilized charge separated state, P+•Q−•, generated in the course of the primary processes in photosynthesis is discussed. In particular, the adaptation of the properties of Q−• to the functional requirements in diffe