Publications in journals:

1.- (NBu4)[Sn{Pt(µ-Cl)(C6F5)2}3], an unusual Cluster with Three PtII-SnII Bonds".
 Angew. Chem. Int. Ed. Engl. 29 (1990)1449.
 Rafael Usón*, Juan Forniés, Milagros Tomás and Isabel Usón.
2.- Synthesis and molecular structure of (NBu4)2{Pb[Pt(C6F5)4]2}, the first lead(II) compound linearly bonded to two metal atoms".
 Inorg. Chem. 31 (1992) 3697.
 Rafael Usón*, Juan Forniés, Larry R. Falvello, Miguel A. Usón and Isabel Usón.
3.- A highly symmetrical octa-Palladium(I) compound: Crystal Structure of
 {[Pd(µ-SC6F5)(µ-dppm)Pd](µ-SC6F5)}4*2 O(C2H5)2.
 Inorg. Chem. 32 (1993) 1066.
 Rafael Usón*, Juan Forniés, Larry R. Falvello, Miguel A. Usón, Isabel Usón and Santiago Herrero.
4.- Pentafluorophenyl trinuclear Pt2Hg und hexanuclear Pt4Hg2 anionic complexes containing unbridged Pt-Hg bonds and OH bridges.
 Inorg. Chim. Acta 212 (1993) 105.
 Rafael Usón*, Juan Forniés, Larry R. Falvello, Irene Ara and Isabel Usón.
5.- Lösliche organische Derivate von Alumosilicaten mit Al2Si2O4- und Al4Si2O6-Gerüsten.
 Angew. Chem. 106 (1994) 2198; Int. Ed. Engl. 33 (1994) 2103.
 Mavis L. Montero, Isabel Usón and Herbert W. Roesky*.
6.- Pentahalophenyl ethylxanthate complexes of platinum (II).
 Structures of (NBu4)[Pt(C6F5)2(S2COEt)] and (NBu4)2{Pt4(C6F5)8[(µ3-S)SCOEt]2}.  Unprecedented coordination of the xanthate ligands in the tetranuclear complex.
 Inorg. Chim. Acta 232 (1995) 35.
 Rafael Usón*, Juan Forniés, Larry R. Falvello, Milagros Tomás, Irene Ara and Isabel Usón.
7.- Synthesis and structure of metal-containing eight- and twelve-membered M-N-C-O-heterocycles (M= Al, Ga, In).
 Main Group Chemistry 1 (1995) 127.
 Andreas Klemp, Isabel Usón, Jens-Thomas Ahlemann, Thomas Belgardt, Jens Storre and Herbert W. Roesky*.
8.- Lösliche Alumosilicaten mit Grundgerüsten von Mineralien.
 Angew. Chem. 107 (1995) 2761; Int. Ed. Engl. 34 (1995) 2504.
 Mavis L. Montero, Andreas Voigt, Markus Teichert, Isabel Usón and Herbert W. Roesky*.
9.- Synthesis and structure of bisphosphaallyl complexes with two-co-ordinate phosphorus.
 J. Chem. Soc. Dalton Trans. (1995) 1951.
 Uwe Wirringa, Heike Voelker, Herbert W. Roesky*, Yuri Shermolovich, Leonid Markovski, Isabel Usón, Mathias Noltemeyer and Hans-Georg Schmidt.
10.- Synthesis and structure of cyclopentadienyl fluoro and chloro complexes of the triad (Ti Zr, Hf) containing acyclic and cyclic siloxane building blocks.
 J. Chem. Soc. Dalton Trans. (1995) 2453.
 Feng-Quan Liu, Isabel Usón and Herbert W. Roesky*.
11.- Syntheses and structure of the first eight-membered fluoro and chloro hafnium siloxane complexes.
 Z.  Anorg.  Allg.  Chem.  622 (1996) 819-822.
 Feng-Quan Liu, Isabel Usón and Herbert W. Roesky*.
12.- Syntheses and properties of cyclopentadienyl-substituted imidotitanium fluorides.
 Inorg. Chem. 35 (1996) 741.
 Feng-Quan Liu, Axel Herzog, Herbert W. Roesky* and Isabel Usón.
13.- Synthesis and characterisation of quinoide bridged dinuclear complexes of titanium and zirconium.
 J. Chem. Soc. Dalton Trans. (1996) 913.
 Antje Künzel, Maxim Sokolow, Feng-Quan Liu, Herbert W. Roesky*, Mathias Noltemeyer, Hans-Georg Schmidt and Isabel Usón.
14.- Syntheses, structure and reactivity of a series of (pentamethylcyclopentadienyl)molibdenum (V) and -tungsten (V) imido complexes.
 Inorg. Chem. 35 (1996) 1773.
 Katrin Köhler, Herbert W. Roesky*, Axel Herzog, Heinz Gornitzka, Alexander Steiner and Isabel Usón.
15.- Facile and rational route for high-yield synthesis of titanasilsesquioxanes from aminosilanetriols
 Organometallics 15 (1996) 1610.
 Andreas Voigt, Ramaswamy Murugavel, Vadapalli Chandrasekhar, Norbert Winkhofer, Herbert W. Roesky*, Hans-Georg Schmidt and Isabel Usón.
16.- Contribution of the intramolecular disulfide bridge to the folding stability of REIv, the variable domain of a human immunoglobulin  light chain.
 Folding & Design 1(1996) 431.
 Christian Frisch, Harald Kolmar, Arno Schmidt, Gerd Kleemann, Astrid Reinhardt, Ehmke Pohl, Isabel Usón, Thomas R. Schneider and Hans-Joachim Fritz*.
17.- Über die Reaktion primärer und sekundärer Amine mit LiAlH4 und Na(AlHEt3).
 Angew. Chem. 109 (1997) 644; Int. Ed. Engl. 36 (1997) 629.
 Mavis L. Montero, Helge Wessel, Herbert W. Roesky*, Markus Teichert and Isabel Usón.
18.- Synthesis and characterisation of (4-Fluorophenyl) amino-based amino- and iminometallanes of group 13.  Crystal structures of (MeAlNRf)4, (MeMNRf)6.n THF (M= Al, n =2; M= Ga, n= 7) and (MeIn(THF)NRf)4.(Rf = 4-C6H4F)
 Organometallics 16 (1997) 1197-1202.
 Christoph Schnitter, Said D. Waezsada, Herbert W. Roesky*, Markus Teichert, Isabel Usón and Emilio Parisini.
19.- Aminodimethylalanes (R1R2NAlMe2) as useful synthetic precursors of aminoalane difluorides using trimethyltin fluoride; crystal structures of (2,6-i-Pr2C6H3)N(SiMe3)AlMe2 and (2,6-i-Pr2C6H3)N(SiMe3)AlF2.
 Organometallics 16 (1997) 1260-1264.
 Said D. Waezsada, Feng-Quan Liu, Eamonn F. Murphy, Herbert W. Roesky*, Markus Teichert, Isabel Usón, Hans-Georg Schmidt, Thomas Albers, Emilio Parisini and Mathias Noltemeyer.
20.- Lösliche, molekulare Titanosilicate.  Soluble molecular titanosilicates.
 Angew. Chem. 109 (1997) 1020; Int. Ed. Engl. 36 (1997) 1001.
 Andreas Voigt, Ramaswamy Murugavel, Mavis L. Montero, Helge Wessel, Feng-Quan Liu, Herbert W. Roesky*, Isabel Usón, Thomas Albers and Emilio Parisini.
21.- Reactions of {[Pd(µ-SC6F5)(µ-dppm)Pd](µ-SC6F5)}4*2 O(C2H5)2.  Crystal structures of the complexes [(Ph3P)Pd(µ-SC6F5)(µ-dppm)Pd(SC6F5)]*1.4 CH2Cl2 and [(Ph3P)Pd(µ-SC6F5)(µ-dppm)Pd(PPh3)]SO3CF3*2 CH2Cl2 and ab Initio MO calculations on the model systems [(H3P)Pd(µ-H2PCH2PH2)(µ-SH)Pd(PH3)]+ and [(H3P)Pd(µ-H2PCH2PH2)Pd(PH3)]2+.
 Inorg. Chem. 36 (1997) 1912-1922.
 Rafael Usón*, Juan Forniés, Javier Fernández Sanz, Miguel A. Usón, Isabel Usón and Santiago Herrero.
22.- Formation of a tantalum siloxane cage complex in the reaction of (5-C5Me5)TaMe4 with a silanetriol.
 Inorg. Chem. 36 (1997) 3392-3393.
 Alexander I. Gouzyr, Helge Wessel, Craig E. Barnes, Herbert W. Roesky*, Markus Teichert and Isabel Usón.
23.- Isostructural molecular amino- and oxo-aminoalumosilicates.
 Organometallics 16 (1997) 3243-3245.
 Helge Wessel, Carsten Rennekamp, Said D. Waezsada, Herbert W. Roesky*, Mavis L. Montero and Isabel Usón.
24.- X-ray crystallography reveals stringent conservation of protein fold after removal of the only disulfide bridge from a stabilized immunoglobulin variable domain. Folding & Design 2 (1997) 357-361.
 Isabel Usón*, M. Teresa Bes, George M. Sheldrick, Thomas R. Schneider, Thomas Hartsch and Hans-Joachim Fritz.
25.- Synthese und Struktur von Aluminium-Fluor-Sauerstoff Clustern.
 Angew. Chem. 109 (1997) 2738-2739; Int. Ed. Engl. 36 (1997) 2625-2626.
 Said D. Waezsada, Feng-Quan Liu, Craig E. Barnes, Herbert W. Roesky*, Mavis L. Montero and Isabel Usón.
26.- Bildung adamantanartiger Strukturen durch Reaktion von Titanocenfluoriden mit einem Iminoalan.  Formation of adamantane-like structures by reaction of titanocene fluorides with an iminoalane.
 Angew. Chem. 110 (1998) 862-864; Int. Ed. Engl. 37 (1998) 843-845.
 Helge Wessel, Mavis L. Montero, Carsten Rennekamp, Herbert W. Roesky*, Peihua Yu and Isabel Usón.
27.- Gallophosphonates containing alkali metal ions - Part 2: Synthesis and structure of gallophosphonates incorporating Na+ and K+ ions.
 Inorg. Chem. 37 (1998) 473-478.
 Mrinalli G. Walawalkar, Ramaswamy Murugavel, Herbert W. Roesky*, Isabel Usón and Ralph Krätzner.
28.- Formation of  [Cp2Ti(2-F)2AlEt2]2 and  [Cp(C5H4)Ti(2-H)AlEt2]2 in the reaction of Cp2TiF2 with AlEt3; Structure of [Cp2Ti(2-F)2AlEt2]2.
 Inorg. Chem. 37 (1998) 2595-2597.
 Peihua Yu, Mavis L. Montero, Craig E. Barnes, Herbert W. Roesky*,  and Isabel Usón.
29.- Syntheses and Structure of (CH3Si)6(NH)9: A Si-N cage made from methyltrichlorosilane and ammonia.
 Angew. Chem. 110 (1998) 1508-1510; Int. Ed. Engl. 37 (1998) 1432-1433.
 Bodo Räke, Herbert W. Roesky*, Isabel Usón and Peter Müller.
30.- Reactions of group 4 metal cyclopentadienyl trifluorides with a trimeric iminoalane.
 Organometallics 17 (1998) 1919-1921.
 Helge Wessel, Carsten Rennekamp, Herbert W. Roesky*, Mavis L. Montero, Peter Müller and Isabel Usón.
31.- New dichlorosilanes, cyclotrisilanes and silacyclopropanes as precursors of intramolecularly coordinated silylenes.
 Chem. Eur. J. 4 (1998) 852-863.
 Johannes Belzner*, Uwe Dehnert, Heiko Ihmels, Matthias Hübner, Peter Müller and Isabel Usón.
32.- The first stereoselective bifunctionalization of 4-quinolones with organometallics and N-halosuccinimides to 2,3-trans-disubstituted tetrahydroquinolones: expected and unexpected results.
 Synlett. (1998) 649-651.
 Uwe Beifuss*, Gerald Feder, M.Teresa Bes and Isabel Usón.
33.- A hexacyclic estrone derivative.
 Acta Crystallogr. C54 (1998) 1341-1343.
 M.Teresa Bes, Jànos Wölfling, Isabel Usón, Szilvia Pelikán, Lutz F. Tietze, Eva Frank and Gyula Schneider.
34.- Reactions of organotitanoxane fluorides with AlR3 (R=Me, Et, CH2Ph) and Me3SiCl: X-ray crystal structures of [C5Me5Ti(-O)]4F[(-F)AlMe3]3, [C5Me5Ti(-O)]4F3[(-F)Al(CH2Ph)3], [C5Me5Ti(-O)Et]4 and (C5Me5)4Ti4O5X2 (X= Cl and F).
 Inorg. Chem. 37 (1998) 5117-5124.
 Peihua Yu, Thomas Pape, Isabel Usón, Musa A. Said, Herbert W. Roesky*, Mavis L. Montero, Hans-Georg Schmidt and Alojz Demsar.
35.- First structurally characterized organometallic chloro oxo-peroxo compounds of molybdenum and tungsten.
 Organometallics 18 (1999) 106-108.
 Debashis Chakroborty, Manish Bhattacharjee, Rolf Siefken, Herbert W. Roesky*, Ralph Krätzner, Isabel Usón and Hans-Georg Schmidt.
36.- The 1.2 Å crystal structure of hirustasin reveals the intrinsic flexibility of a family of highly disulphide bridged inhibitors.
 Structure. 7 (1999) 55-63;
 Isabel Usón, George M. Sheldrick, Eric de La Fortelle, Gerard Bricogne, Stefania di Marco, John P. Priestle, Markus G. Grütter and Peer R. E. Mittl
37.- Synthese und Struktur von {[MeAl(µ2-F)]2N(2,6-iPrC6H3)}4 - eine molekulare Al-F-N-Käfigverbindung.
 Angew. Chem. 111 (1999) 850-852; Int. Ed. Engl. 38 (1998) 813-815.
 Helge Wessel, H.S. Park, Peter Müller, Herbert W. Roesky* and Isabel Usón.
38.- V-Amylose at atomic resolution: X-Ray structure of a cycloamylose with 26 glucoses.
 Proc. Natl. Acad. Sci. USA, 96 (1999) 4246-4251.
 Katrin Geßler, Isabel Usón, Takeshi Takaha, Norbert Krauß, Steven M. Smith, Shigetaka Okada, George M. Sheldrick and Wolfram Saenger*.
39.- 1.7 Å structure of the stabilised REIv mutant  T39K.  Application of local NCS restraints.
 Acta Crystallogr. D55 (1999) 1158-1167.
 Isabel Usón*, Ehmke Pohl, Thomas R. Schneider, Zbigniew Dauter, Arno Schmidt, Hans-Joachim Fritz and George M. Sheldrick.
40.- Variation of a theme: crystal structure with four octakis-(2,3,6-tri-O-methyl)--ciclodextrin molecules hydrated differently by a total of 19.3 water.
 J.Am. Chem. Soc. 121 (1999) 3321-3327;
 Thammárat Aree, Isabel Usón, Burkhard Schulz, Günter Reck, Helga Hoier, George M. Sheldrick and Wolfram Saenger*.
41.- Difference in reactivity of cyclopentadienyltitanium fluorides and chlorides using AlR3 (R=Me, Et): Syntheses and structures of Ti(III)-F(Cl)-Al compounds (5-C5Me5)2Ti2(-Cl)6Al2Me4, (5-C5Me5)2Ti2(-F)8Al4Me8 and [(5-C5H4Me)2Ti(-F)2AlEt2]2.
 Organometallics 18 (1999)1669-1674.
 Peihua Yu, Peter Müller,  Musa A. Said, Herbert W. Roesky*, Isabel Usón, Guangcai Bai and Mathias Noltemeyer.
42.- Darstellung und strukturelle Untersuchung des [(Me3Sn)3O]Cl - mit einem graphitähnlichen Aufbau.
 Angew. Chem. 111 (1999) 2069-2071; Int. Ed. Engl. 38 (1998) 2050-2052.
 Bodo Räke, Peter Müller, Herbert W. Roesky* and Isabel Usón.
43.- Advances in direct methods for protein crystallography.
 Curr. Opinion in Struc. Biol. 9 (1999) 643-648.
 Isabel Usón and George M. Sheldrick*.
44.- New approach to dichloroindiumamides.
 J. Chem. Soc. Dalton. Trans. 14 (1999) 2265-2266.
 Jörg Prust, Peter Müller,  Carsten Rennekamp, Herbert W. Roesky* and Isabel Usón.
45.- An alternative approach to Al2O2-ring systems by unexpected cleavage of stable Al-F- and Si-O-bonds.
 Inorg. Chem. 38 (1999) 5235-5240.
 Karsten Rennekamp, Helge Wessel, Herbert W. Roesky*, Peter Müller, Hans-Georg Schmidt, Mathias Noltemeyer, Isabel Usón and Andrew R. Barron.
46.- Synthesis, crystal structure and light absorption of vinylogous N,N´-dialkylindigos.
 Tetrahedron 55 (1999) 14421-14428.
 Lutz Fitjer, Ralf Gerke, Wolfgang Lüttke*, Peter Müller and Isabel Usón.
47.- New indigo chromophores containing disulfide donor groups.
 Tetrahedron 55 (1999) 14429-14434.
 Ralf Gerke, Lutz Fitjer*, Peter Müller, Isabel Usón, Klaus Kowski and Paul Rademacher.
48.- Organotitanfluoride als Matrix zum Abfangen von molekularem ZnF2 und MeZnF.
 Angew. Chem. 111 (1999) 3518-3520; Int. Ed. Engl. 38 (1999) 3319-3321. Peihua Yu, Peter Müller, Herbert W. Roesky*, Mathias Noltemeyer, Alojz Demsar and Isabel Usón.
49.- The dipotassium salt of p-nitrocatechol sulfate.
 Acta Crystallogr. C56 (2000) 152-153.
 Rixa von Bülow and Isabel Usón*.
50.- Titanium (III) compounds with 2-pyrazolato ligands.
 Eur. J. Inorg. Chem. (2000)13-16.
 Nadia Mösch-Zanetti*, Ralph Krätzner, Thomas R. Schneider, Christopher Lehmann and Isabel Usón.
51.- Reaction of dimethylaluminumfluoride with primary amines RNH2 (R= t-Bu, 2,6-i-Pr2C6H3).
 J. Fluorine Chem. 102 (2000) 17-20.
 Karsten Rennekamp, Andreas Stasch, Peter Müller, Herbert W. Roesky*, Mathias Noltemeyer, Hans-Georg Schmidt and Isabel Usón.
52.- Ammonolysis of trichlorosilanes.
 Eur. J. Inorg. Chem. (2000) 827-830.
 Karsten Ackerhans, Bodo Räke, Ralph Krätzner, Peter Müller, Herbert W. Roesky* and Isabel Usón.
53.- Si-NH-M cage compounds - molecular iminosilicates containing group 13 metals and their functionalized halogen containing derivatives.
 Eur. J. Inorg. Chem. (2000) 1861-1868.
 Karsten Rennekamp, Peter Müller, Jörg Prust, Helge Wessel, Herbert W. Roesky* and Isabel Usón.
54.- The atomic resolution structure of bucandin, a novel toxin isolated from the Malayan krait, determined by direct methods.
 Acta Crystallogr. D56 (2000) 1401-1407.
 Peter Kuhn, Ashley Deacon, Doina-Silviana Comsa, G. Rajaseger, R. Manjunatha Kini, Isabel Usón and Prasana Kolatkar*.
55.- Tetrameric indium trichloride, a new modification of a widely used compound.
 Acta Crystallogr. C56 (2000) 1300-1301.
 Peter Müller*, Isabel Usón, Jörg Prust and Herbert W. Roesky.
56.- Crystal structure of an enzyme substrate complex provides insight to the interaction between human arylsulfatase A and its substrates during catalysis.
 J. Mol. Biol. 305 (2001) 269-277.
 Rixa von Bülow, Bernhard Schmidt, Thomas Dierks, Kurt von Figura and Isabel Usón*.
57.- Intramolecular coupling of two cyclopentadienyl ring systems of zirconium -Unprecedented formation of a dihydride and preparation of the cluster [{(Me C5H4)Zr}5 (5-N)(3-NH)4(-NH2)4] in a two phase system.
 Organometallics, 19 (2000) 4675-4677.
 Guangcai Bai, Peter Müller, Herbert W. Roesky* and Isabel Usón.
58.- Ab Initio phasing by dual-space direct methods. In "Advances in structure analysis (XVIIIth European Cryst. Meeting, 16-20 August 1998, Prague, Czeck Republic), Prague, R. Kuzel, ed., invited revue. in Press.
 Charles M. Weeks, George M. Sheldrick, Russ Miller, Isabel Usón and Herbert A. Hauptman.
59.- Crystal structure of a Cyclotetraicosaphenylene.
 Helv. Chim. Acta. 84 (2001) 778-785.
 Peter Müller, Isabel Usón, Volker Hensel, A. Dieter Schlüter and George M. Sheldrick*.
60.- Ab Initio phasing.
 In "International tables for crystallography, Volume F. Crystallography of biological macromolecules". Editors Rossman, M.G. & Arnold, E. Dordrecht: Kluwer Academic Publishers, 2001, 16.1.
 George M. Sheldrick, Herbert A. Hauptman, Charles M. Weeks, Russ Miller and Isabel Usón.
61.- Synthesis and structural characterization of functionalized dimeric aluminophosphonates and a monomeric gallophosphonate anion.
 Inorg. Chem. 40 (2001) 2620-2624.
 Debashis Chakraborty, Sabine Horchler, Ralph Krätzner, Saji P. Varkey, Jiri Pinkas, Herbert W. Roesky*, Isabel Usón, Mathias Noltemeyer and Hans-Georg Schmidt.
62.- 1.3 Å structure of arylsulfatase from Pseudomonas aeruginosa establishes the catalytic mechanism of sulfate ester cleavage in the sulfatase family.
 Structure 9 (2001) 483-491.
 Imke Boltes, Honorata Czapinska, Antje Kahnert, Rixa von Bülow, Thomas Dierks, Bernhard Schmidt, Kurt von Figura, Michael A. Kertesz and Isabel Usón*.
63.- Synthesis and Structures of vinamidine MnII, ZnII and CdII iodine derivatives.
 Eur. J. Inorg. Chem. (2001) 1613-1616.
 Jörg Prust, Kerstin Most, Ilka Müller, Andreas Stasch, Herbert W. Roesky* and Isabel Usón.
64.- Halogenodisilanes: Precursors for new disilane derivatives.
 Inorg. Chem. 40 (2001) 3766-3773.
 Carsten Ackerhans, Peter Böttcher, Peter Müller, Herbert W. Roesky*, Isabel Usón, Hans-Georg Schmidt and Mathias Noltemeyer.
65.-X-ray structure of b -cyclodextrin-2,7-dihydroxy-naphtalene · 4.6 H2O: an unusually distorted macrocycle.
 Carbohydr. res. 333 (2001) 251-256.
Maribel Añibarro, Katrin Geßler, Isabel Usón, George M. Sheldrick and Wolfram Saenger*.
66.- An orthorhombic crystal form of cyclohexaicosaose, CA26·32.59: comparison with the triclinic form.
Carbohydr. res. 336 (2001) 141-153.
Olaf Nimz, Katrin Geßler, Isabel Usón and Wolfram Saenger*.
67.- Synthesis and structural characterization of monomeric three-coordinated-diketoiminate organozinc derivatives.
Organometallics 20 (2001) 3825-3828.
Jörg Prust, Andreas Stasch, Wenjun Zheng, Herbert W. Roesky*, Eftichia Alexopoulos, Isabel Usón, Dieter Böhler and Thomas Schuchardt.
68.- Effect of peracylation of -cyclodextrin on the molecular structure and on the formation of inclusion complexes: an X-ray study.
J. Am. Chem. Soc. 123 (2001) 11854-11862.
Maribel Añibarro, Katrin Geßler, Isabel Usón, George M. Sheldrick, Kazuaki Harata, Kaneto Uekama, Fumitoshi Hirayama, Yukata Abe and Wolfram Saenger*.
69.- 2,5-Bis(di-tert-butylhydroxysilyl)furan as host molecule for potassium fluoride, H2O, NH3 and MeNH2.
Eur. J. Inorg. Chem.in Press.
Uwe Klingebiel*, Peter Neugebauer, Ilka Müller, Mathias Noltemeyer and Isabel Usón.
70.- Defective oligomerization of arylsulfatase A as a cause for its instability in lysosomes and metachromatic leukodystrophy.
J. Biol. Chem. 277 (2001) 9455-9461.
Rixa von Bülow, Bernhard Schmidt*, Thomas Dierks, Klaus Schilling, Ekkehard Weber, Isabel Usón* and Kurt von Figura.
71.- Synthesis and structures of b -diketoiminate complexes of magnesium.
Z. Anorg. Allg. Chem. 627 (2001) 2032-2037.
Jörg Prust, Kerstin Most, Ilka Müller, Eftichia Alexopoulos, Andreas Stasch, Isabel Usón and Herbert W. Roesky*.
72.- Synthesis of di- and trisilanes with potentially chelating substituents.
J. Orgmet. Chem. 649 (2002) 25-42.
Johannes Belzner*, Uwe Dehnert, Dirk Schär, Bernhard Rohde, Peter Müller and Isabel Usón.
73.- Synthesis and structures of [{HC(CMeNAr)2}Ge(S)X] (Ar= 2,6-i-Pr2C6H3, X= F, Cl, Me): structurally characterized examples with a formal double bond between group 14 and group 16 elements bearing a halide.
J. Am. Chem. Soc. 124 (2002) 8542-8543.
Yuqiang Ding, Qingjun Ma, Isabel Usón, Herbert W. Roesky*, Mathias Noltemeyer and Hans-Georg Schmidt.
74.- Locating the anomalous scatterer substructures in halide and sulfur phasing.
Acta Crystallogr. D58 (2002) in press.
Isabel Usón*, Bernhard Schmidt, Rixa von Bülow, Susanne Grimme, Kurt von Figura, Miroslawa Dauter, K.R. Rajashankar, Zbigniew Dauter and George M. Sheldrick.



 

Patent:

"Active substance delivery system
 PCT/US94/10748



 

Lectures and communications to symposia:

1.-  Mono- and polynuclear paladium and platinum xanthate complexes.
 Oktober 1991; El Escorial, Organometallic Chemistry Group, IX annual meeting.
2.- Pentafluorophenylplatinate complexes acting as Lewis bases towards Sn2+ or Pb2+.
 Oktober 1991; El Escorial, Organometallic Chemistry Group, IX annual meeting.
3.- Analysis of structural results derived from defective data. Abstract PB83, session "Problem structures, puzzles and solutions"
 August 1992; Pittsburgh, ACA annual meeting.
4.- Intensity scaling: a trick to solve a structure with third row metals on special positions. Abstract M172, session "Problem structures: solutions, tricks and pleas for help"
 Juli 1995; Montreal, ACA annual meeting.
5.- Structure of an immunoglobulin REIv mutant at 1.7 Å resolution. Abstract M122,
 Juli 1995; Montreal, ACA annual meeting.
6.- Tutor beim SHELXL Workshop
 Juli 1995; Montreal.
7.- Methodische Entwicklungen in der Röntgenstrukturanalyse von Proteinen.
 29 - 31 Oktober 1995; Reisensburg, Abschlußkolloquium DFG-Schwerpunkt "Protein Design"
8.- Protein Crystallography of REIv mutants. Marz 1996 Biochemisches Institutkollokium.  Institut für Molekular Genetik, Universität Göttingen.
9.- Tutor at the EMBO practical course on refinement techniques and Map interpretation.
 14 - 20 Juli 1996; EMBL-Heidelberg.
10.- Kristallstruktur eines disulfid-freien REIv Immunoglobulinfragments.
 27 - 29 Oktober 1996; Reisensburg, DFG-Rundgespräch "Protein Design".
11.- Ab Initio solution of an unknown 55 amino-acid protein.
 22-Mai-2 Juni 1997; 25th International School of Crystallography in Erice, Direct methods and ab initio phasing tecniques.
12.- Tutor at the SHELXL-97 Workshop. Vortrag: "SHELXL refinement at medium resolution".
 6-12 Juli 1997; Universität Göttingen.
13.- Alkali metal containing gallium alkyls as precursors to secondary building units (SBUs) of gallophosphate materials. 21-25 July 1997, OMCOS9, Göttingen.
14.- Lecturer at the European CCP4 Workshop on refinement techniques. Lectures on "Refinement with SHELXL-97" and "Anisotropic refinement and disorder". Tutorials on the use of SHELXL-97.
 1 - 6 September 1997; York, England.
15.- Invited speaker at the 11th Rhine-Knee Regional Meeting on X-Ray crystallography of biomacromolecules. "Ab initio structure solution of hirustasin, a 55-amino acid protease inhibitor".
 24 - 26 September 1997; Delemont (JU), Switzerland.
16.- Vortrag: "Röntgenkristallographische Charakterisierung konformations-stabilisierter und disulfidfreier Immunoglobulin Fragmente".
 13 Januar 1998; Tagung Diversität und Selektion in der biologischen Synthese. Göttingen.
17.- Invited speaker at the 1998 Annual Meeting of the American Crystallographic Association (ACA). "Examples of ab initio structure solution".  Session 11.07,  Computational methods.
 18 - 23 July 1998; Airlington (Virginia), USA.
18.- Invited speaker at the 18th European Crystallographic Meeting (ECM). "Examples of macromolecular ab initio solution with high resolution data" Session E5: Ab Initio methods for structure determination.
 "Direct methods in supramolecular chemistry" and participation in the panel discussion for the Session C7: Large supramolecular assemblies and inclusion compounds
 15 - 20 August 1998; Prague, Czeck Republic.
19.- Lecturer at the European CCP4 Workshop on refinement techniques. Lectures on "Refinement with SHELXL-97" and "High Resolution ab Initio Structure Solution". Tutorials on the use of SHELXL-97.
 13 - 18 December 1998; York, England.
20.- Lecturer at the 5th European Workshop on crystallography of biological macromolecules. Lecture on "High Resolution ab Initio Structure Solution and location of Se atoms". 15 - 20 May 1999; Centro di cultura scientifica A. Volta, Como, Italy.
21.- Invited speaker at the XVIIIth International Union of Crystallography Meeting (IUCr). "Exploiting the Patterson in ab initio phasing" Session 12BB: Ab Initio and Molecular replacement.
 4 - 13 August 1999; Glasgow, UK.
22.- Lecturer at the International School of crystallography of biological macromolecules. Lectures on "High Resolution ab Initio Structure Solution and location of Se atoms", "Refinement with SHELXL-97", Tutorials on the use of SHELXL-97. 9 - 15 September 1999; Centro de Investigacion y Desarrollo, (CSIC), Barcelona, Spain.
23.- Invited lecture at the Humbolt Universität Berlin. Institut für Biochemie, Institutsklinikum Charité. "Ab Initio dual space recycling (sub)structure Solution".  6.Juni 2000. Berlin.
24.- Lecturer at the Satellite meeting "Frontiers in macromolecular crystallography" to the 19th European Crystallographic Meeting (ECM) in Nancy, France. "Ab Initio dual space recycling (sub)structure Solution", 1-3 September 2000; Bischenberg, France.
25.- 783rd GDCh Sitzung, Ortsverband Göttingen. "Von der Röntgenstrukturanalyse zur Funktion - Katalysemechanismus von Sulfatasen". 7. Dezember 2000. Göttingen.
26.- Invited lecture at the Technische Universität Berlin, anorganisch-chemisches Kolloquium. "Von der Röntgenstrukturanalyse zur Funktion- ab initio Methoden, Substrukturen anomalre Streuer und der Katalysemechanismus von Sulfatasen". 23 April 2001. Berlin.
27.- Invited plenary lecture at the annual meeting of Dutch and Flemish Protein Crystallographers, NVK Meeting. "Ab initio and substructure solution with dual space recycling methods". 8 June 2001. Brussels.
28.- Invited lecture at the Humboldt Universität Berlin, Interdisziplinares Zentrum für Biophysik und Bioinformatik. "Ab initio Methoden, Substrukturen anomalre Streuer und der Katalysemechanismus von Sulfatasen". 6 July 2001. Berlin.
29.- Invited speaker at the 20th European Crystallographic Meeting (ECM). "Locating halide substructures with dual space recycling methods" Session 1b4: On-line structure determination through Ab Initio and MAD phasing. 25 - 31 August 2001; Kraków, Poland.
30.- Invited lecture at the Universität Erlangen-Nürnberg, Naturwissenschaftliche Fakultät II. "Kristallographische Methoden und lysosomale Speicherkrankheiten". 7 November 2001. Erlangen.



 

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