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Littérature scientifique sur le sujet « Half-sandwich »

Auteur : Grafiati

Publié le 1 avril 2023

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Articles de revues sur le sujet "Half-sandwich"

1

Antiñolo, Antonio, Mariano Fajardo, Antonio Otero et Sanjiv Prashar. « Sandwich and Half-Sandwich (Imido)niobium Complexes ». European Journal of Inorganic Chemistry 2003, n^o 1 (janvier 2003) : 17–28. http://dx.doi.org/10.1002/ejic.200390000.

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Selby, Jonathan D., Marta Feliz, Andrew D. Schwarz, Eric Clot et Philip Mountford. « New Sandwich and Half-Sandwich Titanium Hydrazido Compounds ». Organometallics 30, n^o 8 (25 avril 2011) : 2295–307. http://dx.doi.org/10.1021/om200068k.

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Osipov, Alexandr L., Dmitry V. Gutsulyak, Lyudmila G. Kuzmina, Judith A. K. Howard, Dmitry A. Lemenovskii, Georg Süss-Fink et Georgii I. Nikonov. « Half-sandwich trihydrido ruthenium complexes ». Journal of Organometallic Chemistry 692, n^o 22 (octobre 2007) : 5081–85. http://dx.doi.org/10.1016/j.jorganchem.2007.07.024.

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Consiglio, Giambattista, et Franco Morandini. « Half-sandwich chiral ruthenium complexes ». Chemical Reviews 87, n^o 4 (août 1987) : 761–78. http://dx.doi.org/10.1021/cr00080a005.

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Herberhold, Max, Guo-Xin Jin et Wolfgang Milius. « New Half-Sandwich Polysulfidorhenium Complexes ». Angewandte Chemie International Edition in English 32, n^o 1 (janvier 1993) : 85–87. http://dx.doi.org/10.1002/anie.199300851.

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Dodds, Christopher A., Mario-Alexander Lehmann, Jonathan F. Ojo, John Reglinski et Mark D. Spicer. « Cobalt Half-Sandwich, Sandwich, and Mixed Sandwich Complexes with Soft Tripodal Ligands ». Inorganic Chemistry 43, n^o 16 (août 2004) : 4927–34. http://dx.doi.org/10.1021/ic0496525.

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Malenov, D., et S. Zaric. « Interactions of aromatic ligands in sandwich and half-sandwich compounds ». Acta Crystallographica Section A Foundations and Advances 78, a2 (23 août 2022) : a201. http://dx.doi.org/10.1107/s2053273322095031.

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Máliková, Klaudia, Lukáš Masaryk et Pavel Štarha. « Anticancer Half-Sandwich Rhodium(III) Complexes ». Inorganics 9, n^o 4 (8 avril 2021) : 26. http://dx.doi.org/10.3390/inorganics9040026.

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Platinum-based anticancer drugs are most likely the most successful group of bioinorganic compounds. Their apparent disadvantages have led to the development of anticancer compounds of other noble metals, resulting in several ruthenium-based drugs which have entered clinical trials on oncological patients. Besides ruthenium, numerous rhodium complexes have been recently reported as highly potent antiproliferative agents against various human cancer cells, making them potential alternatives to Pt- and Ru-based metallodrugs. In this review, half-sandwich Rh(III) complexes are overviewed. Many representatives show higher in vitro potency than and different mechanisms of action (MoA) from the conventional anticancer metallodrugs (cisplatin in most cases) or clinically studied Ru drug candidates. Furthermore, some of the reviewed Rh(III) arenyl complexes are also anticancer in vivo. Pioneer anticancer organorhodium compounds as well as the recent advances in the field are discussed properly, and adequate attention is paid to their anticancer activity, solution behaviour and various processes connected with their MoA. In summary, this work summarizes the types of compounds and the most important biological results obtained in the field of anticancer half-sandwich Rh complexes.

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Coles, Stuart R., Guy J. Clarkson, Andrew L. Gott, Ian J. Munslow, Stefan K. Spitzmesser et Peter Scott. « Half-Sandwich Group 4 Salicyloxazoline Catalysts ». Organometallics 25, n^o 26 (décembre 2006) : 6019–29. http://dx.doi.org/10.1021/om060687h.

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Filippou, Alexander C., Klaus Wanninger et Christian Mehnert. « Half-sandwich aminocarbyne complexes of chromium ». Journal of Organometallic Chemistry 461, n^o 1-2 (novembre 1993) : 99–109. http://dx.doi.org/10.1016/0022-328x(93)83281-y.

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Thèses sur le sujet "Half-sandwich"

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McCamley, Andrew. « Photochemistry of half-sandwich complexes in matrices ». Thesis, University of York, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.238716.

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Puntambekar, Shakher Gajanan. « Half-sandwich arene iron complexes : synthesis and reactivity ». Thesis, University of Nottingham, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329900.

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Coles, Stuart Raymond. « Half-sandwich group 4 complexes in alkene polymerisation ». Thesis, University of Warwick, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.439647.

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Billah, Syed Abul Muzaddad Mustafij. « Half-sandwich indenyl and related compounds of ruthenium(II) ». Thesis, University of Salford, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.262619.

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Hollandsworth, Carl B. « Full and half sandwich compounds of dimolybdenum and ditungsten ». The Ohio State University, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=osu1095455882.

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Bătinaş, Aurora Alexandra. « The chemistry of half-sandwich vanadium imido-amido complexes ». [S.l. : [Groningen : s.n.] ; University Library Groningen] [Host], 2009. http://irs.ub/rug.nl/ppn/318.

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Hollandsworth, Carl Burton. « Full and half sandwich compounds of dimolybdenum and ditungsten ». Connect to this title online, 2004. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1095455882.

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Thesis (Ph. D.)--Ohio State University, 2004.
Title from first page of PDF file. Document formatted into pages; contains xxi, 215 p.; also includes graphics (some col.). Includes bibliographical references (p. 209-215).

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Svačina, Zdeněk. « Příprava syndiotaktického polystyrenu pomocí monocyklopentadienylových komplexů titanu ». Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2008. http://www.nusl.cz/ntk/nusl-216371.

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A series of four novel halosilylsubstitued monocyclopentadienyl titanium complexes; [Si(CH3)2FCp]TiCl3 – FSiTTC, [Si(CH3)F2Cp]TiCl3 F2SiTTC, [Si(CH3)Cl2Cp]TiCl3 - Cl2SiTTC, [Si(CH3)2ClCp]TiCl3 - ClSiTTC was tested as catalytic precursors for polymerization of styrene in toluene. The maximum polymerization activity was achieved after polymerization period of 20 minutes. Activity decreased in order FSiTTC/MAO > F2SiTTC/MAO > Cl2SiTTC/MAO > ClSiTTC /MAO. Prepared polystyrenes were characterized using 13C NMR spectroscopy and DSC analysis. Syndiotacticity index of obtained PSs was determined by means of Soxhlet extraction with butan-2-one as solvent. Syndiotacticity indexes of PSs obtained by investigated catalysts possessed higher values then those obtained by standard catalysts (CpTiCl3 a Cp*TiCl3) at comparable polymerization conditions.

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Maddox, Tania Patricia. « Thermal and photochemical reactions of half sandwich transition metal complexes ». Thesis, University of York, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.284128.

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Capper, Glen. « Half-sandwich organoruthenium and organorhodium complexes of biologically relevant ligands ». Thesis, University of Leicester, 1995. http://hdl.handle.net/2381/34044.

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This thesis describes some chemistry of [(mes)RuC12]2, [(Cp)RuCl(CO)2] and [(Cp*)RhCl2]2 complexes and in particular, the reactions with biologically relevant ligands. Chapter one introduces the general chemistry of arene-ruthenium and pentamethylcyclopentadienyl-rhodium from early work described by Winkhaus and Singer in the preparation of half-sandwich arene-rathenium complex [(C6H6)RuCl2(PPh3)] and the contributions on the reactions of [(Cp*)RhCl2]2 reported by Maitlis and co-workers. The second half of the introduction discusses the introduction and uses of inorganic complexes as anti-tumour agents. Chapter two describes the reactions of amino acids with potentially coordinating side chains with [(mes)RuCl2]2 and the characterisation of the amino acidate complexes formed. The crystal structure of the complex [(mes)RuCl(phgly)] has been determined and a high temperature 1H n.m.r. spectrum has been obtained. Chapter three describes the preparation and characterisation of a number of pyranato and pyridinato complexes of arene-ruthenium and Cp*-rhodium. A low temperature 1H n.m.r. spectrum was obtained for the complex [(Cp*)RhCl(etmalt)] and conductivity experiments were obtained which indicate that the complexes exist in water as a mixture of water or chloride co-ordinated species. Chapter four describes the reactions of a number of half-sandwich complexes of ruthenium and rhodium with nucleobases to determine the binding site(s) involved in co-ordination. A set of competition reactions were undertaken to determine any preference of the complex [(mes)RuCl(phgly)] for the various nucleobases. We have found that for this ruthenium complex, guanosine forms the most stable complexes with thymidine and uridine forming the least stable.

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Livres sur le sujet "Half-sandwich"

1

Billah, Syed Abul Muzaddad Mustafij. Half-sandwich indenyl and related compounds of ruthenium(II). Salford : University of Salford, 1995.

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Gil, Caroline Josephine *. Intrazeolite properties of half sandwich complexes of iridium and rhodium. 1988.

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Publishing, Deluxe. When You See a Couple Walking down the Street Holding Hands and Laughing You Look over to Your Side and the Only Thing You're Holding Is a Half Eaten Sandwich : Lined Elegant Notebook/Journal Birthday Gift, 100 Pages, 6 X9 , Soft Cover, Matte Finish. Independently Published, 2020.

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Chapitres de livres sur le sujet "Half-sandwich"

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Pardasani, R. T., et P. Pardasani. « Magnetic properties of half-sandwich, imidochromium(V) compound ». Dans Magnetic Properties of Paramagnetic Compounds, 1050–51. Berlin, Heidelberg : Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49202-4_515.

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Pardasani, R. T., et P. Pardasani. « Magnetic properties of half-sandwich imidochromium(V) compound ». Dans Magnetic Properties of Paramagnetic Compounds, 1052–53. Berlin, Heidelberg : Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49202-4_516.

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Kaminsky, Walter, et Volker Scholz. « New Half-Sandwich Titanocenes for the Polymerization of Butadiene ». Dans Organometallic Catalysts and Olefin Polymerization, 346–52. Berlin, Heidelberg : Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-59465-6_30.

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Zambelli, Adolfo, Alfonso Grassi et Pasquale Longo. « Styrene and Conjugated Dienes Polymerization with Half Sandwich Titanocene Catalysts ». Dans Metalorganic Catalysts for Synthesis and Polymerization, 548–57. Berlin, Heidelberg : Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-60178-1_49.

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Peters, René, Daniel F. Fischer et Sascha Jautze. « Ferrocene and Half Sandwich Complexes as Catalysts with Iron Participation ». Dans Iron Catalysis, 139–75. Berlin, Heidelberg : Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-14670-1_5.

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Pardasani, R. T., et P. Pardasani. « Magnetic properties of half-sandwich hydride complex of 1, 2-bis(diisopropylphosphino)ethane ». Dans Magnetic Properties of Paramagnetic Compounds, 59. Berlin, Heidelberg : Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53971-2_25.

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Schwarze, Benedikt, Marta Gozzi et Evamarie Hey-Hawkins. « Half- and Mixed-Sandwich Transition Metal Dicarbollides andnido-Carboranes(-1) for Medicinal Applications ». Dans Boron-Based Compounds, 60–108. Chichester, UK : John Wiley & Sons, Ltd, 2018. http://dx.doi.org/10.1002/9781119275602.ch1.4.

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Okuda, Jun, Stefan Arndt, Klaus Beckerle, Kai C. Hultzsch, Peter Voth et Thomas P. Spaniol. « Rare Earth Half-Sandwich Catalysts for the Homo- and Copolymerization of Ethylene and Styrene ». Dans Organometallic Catalysts and Olefin Polymerization, 156–65. Berlin, Heidelberg : Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-59465-6_14.

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Pettinari, Claudio, Riccardo Pettinari, Corrado Di Nicola et Fabio Marchetti. « Half-Sandwich Rhodium(III), Iridium(III), and Ruthenium(II) Complexes with Ancillary Pyrazole-Based Ligands ». Dans Advances in Organometallic Chemistry and Catalysis, 269–84. Hoboken, NJ, USA : John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118742952.ch21.

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Pardasani, R. T., et P. Pardasani. « Magnetic properties of half-sandwich hydride complex of iron containing 1, 2-bis(diisopropylphosphino)ethane ». Dans Magnetic Properties of Paramagnetic Compounds, 58. Berlin, Heidelberg : Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53971-2_24.

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Actes de conférences sur le sujet "Half-sandwich"

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Heymann, A., S. Lambert, E. Haza-Rozier, G. Vinceslas et P. Gotteland. « An experimental comparison of half-scale rockfall protection sandwich structures ». Dans SUSI 2010. Southampton, UK : WIT Press, 2010. http://dx.doi.org/10.2495/su100021.

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Ruzzene, M. « Vibration and Sound Radiation of Sandwich Beams With Honeycomb Truss Core ». Dans ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-41552.

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The vibrations of and the sound radiation from sandwich beams with truss core are here analyzed. The structure of the core is composed of a sequence of identical unit cells repeating along the beam length and across the core thickness. Each cell is composed of beam elements assembled to form a frame structure. Layouts with honeycomb patterns arranged through the thickness of the core are considered. This design represents an alternative with respect to the traditional application of honeycombs in sandwich construction. The proposed configuration provides sandwich beams with interesting structural as well as acoustic characteristics. A spectral finite element model is developed to evaluate the structural and the acoustic behavior of the considered class of sandwich beams. The spectral model can be easily coupled with a Fourier Transform based analysis of the sound radiated by the fluidloaded structure. The model predicts the performance of beams with various core configurations. The comparison is carried out in terms of vibration and sound radiation in an unbounded acoustic half-plane. Hexagonal and re-entrant honeycomb configurations are considered to study the effects of core geometry on structural response and acoustic radiation.

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Qiao, Pizhong, et Mijia Yang. « A Semi-analytical Model for Static and Impact Responses of Sandwich Plates on a Solid Half-space ». Dans 46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. Reston, Virigina : American Institute of Aeronautics and Astronautics, 2005. http://dx.doi.org/10.2514/6.2005-2239.

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Li, Shulei, Shibo Zhang, Gongnan Xie et Hongbin Yan. « Numerical Study on Convective Heat Transfer Performance in Helix Lattice Sandwich Panel ». Dans ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-95310.

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Abstract Sandwich structures have been widely used as thermal and load-bearing materials in astronautic and aeronautic applications. owing to their advantages of high specific strength and stiffness. Among them, the X-type lattice cored sandwich panel has a superior thermal performance, with a larger pressure drop. In order to solve the disadvantage of higher pressure drop of the X-type lattice, this paper propose a new structure of helix lattice sandwich panel by modifying the structure of the X-type lattice at a similar porosity level. Forced convection of air in the helix lattice sandwich panel was numerically studied based on the validated model in available literature. The flow and heat transfer characteristics between the helix lattice and X-type lattice were compared. Results reveal that the fluid flow pattern of the helix lattice and the X-type lattice have similarities and differences. The similarity is that both of them cause a spiral type of flow and two same type of secondary flow, the difference is that compared with X-type lattice, the smaller blockage of flow area by the ligaments of the helix lattice leads to a large smooth mainstream. Besides, the overall Nusselt number of the helix lattice is slightly lower than that of X-type one with an average value of 6.69% at a certain Reynolds number, the same material thermal conductivity and similar porosity level. Although the flow pattern in the helix lattice is similar to that in X-type lattice, the smooth mainstream in the helix lattice inevitably limited the flow mixing which lead to a lower area-averaged Nusslet number on both the substrates and the ligaments relative to X-type one. However, in terms of pressure drop, the helix lattice is significantly lower than the X-type lattice due to smaller flow area blockage and smooth ligament structure, which is reduced by nearly half. The helix lattice core sandwich panel can maintain a high level heat transfer performance with little loss of pressure drop. For a given pumping power, the helix lattice outperforms X-type lattice by up to 6.65%. Furthermore, as the pumping power increases, the heat transfer performance of the helix lattice will be better than X-type lattice. Therefore, it can be considered that the helix lattice core sandwich panel solves the disadvantage of relatively high pressure drop in the X-type lattice, greatly reduced the pressure drop and the required pumping power with less heat transfer performance loss. The helix lattice core sandwich panel has a superior comprehensive heat transfer performance than X-type one.

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Braghin, Francesco, Edoardo Sabbioni et Francesco Annoni. « Design of a Leaf Spring Suspension for an FSAE Vehicle ». Dans ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-35474.

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FSAE is a competition in which engineering students are asked to conceive, design, fabricate and compete with small, formula style, autocross racing cars ([1]). To give teams the maximum design flexibility and the freedom to express their creativity and imaginations there are very few restrictions on the overall vehicle design. DynamiΣ team (from Politecnico di Milano) has designed and optimized a new leaf spring suspension that allows to significantly reduce the weight and lower the centre of gravity of traditional suspensions that are based on linear dampers and coil springs. In fact, besides being extremely adjustable, the proposed leaf spring suspension weights a half, being made of carbon fiber and aluminum sandwich, and lowers the centre of gravity of the suspension system, being placed below the vehicle frame.

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Greivenkamp, John E. « Simple method for measuring polarization retardation ». Dans OSA Annual Meeting. Washington, D.C. : Optica Publishing Group, 1989. http://dx.doi.org/10.1364/oam.1989.wv4.

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We present a simple method for characterizing polarization retarders based on the fact that a retarder of a given thickness will have a phase retardation Δϕ that varies with wavelength. In fact, Δϕ is directly proportional to the thickness and birefringence of the material and inversely proportional to the wavelength. If the retarder is placed between two polarizing filters (either parallel or crossed), the transmitted intensity will be colored as a result of this variation. A spectral transmission curve of this sandwich can be obtained from a spectrophotometer, and the resulting data are very easy to interpret. The curve will be sinusoidally varying function of the optical frequency, and the frequency of this variation depends on the retardation. The wavelengths where the transmission is a maximum, a minimum, or one-half, respectively, correspond to the wavelengths at which the retardation has a value of a full wave, a halfwave, or a quarterwave.

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Bleyl, H. « TWO-SIDE IMMUNOASSAYS OF ENZYME-INHIBITOR COMPLEXES FOR THE DIAGNOSIS OF THROMBOPHILIC STATES ». Dans XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643113.

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The diagnosis of prethrombotic states requires methods which detect products of intravasal activation of the coagulation cascade.Two-side immunoassays for antithrombin complexes with clotting factors were developed (IXi-AT, Xi-AT, IIi- AT). These sandwich assays permit the diagnosis of hypercoagulability in the presence or absence of heparin. The biological half live time of the thrombin-antithrombin-complex was found to be about 15 min. Healthy young men 20-25 years old (n=30) have a thrombin-antithrombin-complex concentration of 0.4 ± 0.2 mU/ml thrombin equivalent (S 2238). Patients with acute myocardial infarction (n=40) showed at the time of admission to the hospital up to 10-fold (n=14), up to 100-fold (n=13) more than 100-fold (n=13) elevated thrombin-antithrombin-complex concentrations. Patients with gastrointestinal cancer showed sometime excessive elevated enzyme-inhibitor complexes.No correlation was found between thromboplastine time (Quick) and complex concentration in patients under anticoagulant therapy with dicumarole. In patients under dialysis as well as in patients under open heart surgery with extracorporal circulation, the biocompatibility can be monitored by inhibitor complex measurement.

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Rapports d'organisations sur le sujet "Half-sandwich"

1

Boussie, Thomas Richard. 1. Mono([8]annulene)Uranium(4) half-sandwich complexes, 2. Novel syntheses of symmetrically substituted cyclooctatetetraenes. Office of Scientific and Technical Information (OSTI), octobre 1991. http://dx.doi.org/10.2172/10105381.

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Boussie, T. R. 1. Mono((8)annulene)Uranium(4) half-sandwich complexes, 2. Novel syntheses of symmetrically substituted cyclooctatetetraenes. Office of Scientific and Technical Information (OSTI), octobre 1991. http://dx.doi.org/10.2172/6109023.

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