Scientific Publications Search Search Author Impact Factor Release Date Research Group Search Sort by RelevanceFrom A-ZAuthored onDate/Time RangeRelease date Order AscDesc Acevedo Ochoa, Ernesto (1) Adami, Eleonora Dr. (6) Akalin, Altuna Dr. (12) Akmeric, Emir Bora (2) Alenina, Natalia Dr. (25) Altmueller, Janine Dr.med. (43) Anandakumar, Harithaa (1) Annibale, Paolo Dr. (4) Arnau Soler, Aleix Dr. (2) Bader, Michael Prof. Dr. (103) Bahr, Lina Samira Dr. (2) Bähring, Sylvia Dr. (4) Bahry, Ella Dr. (2) Barke, Niclas (1) Bartels-Klein, Eireen (2) Bartolomaeus, Hendrik (3) Bartolomaeus, Theda (4) Baumann, Elisabeth (1) Bayram, Safak (1) Begay-Müller, Valerie Dr. (6) Bernert, Carola (2) Beule, Dieter Dr. (21) Birchmeier, Walter Prof. Dr. (25) Birchmeier-Kohler, Carmen Prof. Dr. (24) Birkner, Till (3) Birol, Melissa Dr. (3) Blachut, Susanne (1) Blankenstein, Thomas Prof. Dr. (19) Blume, Alexander Dr. (2) Blüthgen, Nils (3) Bock-Bierbaum, Tobias Dr. (1) Borodina, Tatiana Dr. (5) Bouman, Brigitte Joanne (1) Braeuning, Caroline (2) Brüning, Ulrike Dr. (2) Bunina, Daria Dr. (1) Bunse, Mario Dr. (5) Cakmak-Görür, Nese Dr. (1) Castilho de Barros, Carlos Prof. Dr. (1) Cerda Esteban, Nuria Dr. (1) Chekulaeva, Marina Dr. (4) Chen, Chia-Yu (1) Chen, Wei Prof. Dr. (21) Chu, Van Trung Dr. (2) Cibin, Penelope (1) Clauß, Julian (1) Cöl Arslan, Seda Dr. (1) Collins, Russell Thomas Dr. (2) Conrad, Thomas Dr. (4) Coscia, Fabian Dr. (6) Crocini, Claudia Dr. (1) Dahlmann, Mathias Dr. (7) Daniel, Peter Prof. Dr. (12) Dartsch, Josephine (1) Daumke, Oliver Prof. Dr. (14) Dechend, Ralf Priv. Doz. (48) de la Rosa, Kathrin Dr. (6) Del Giudice, Simone (1) Deter, Aylina (1) Diebolder, Christoph Dr. (1) Diecke, Sebastian Dr. (19) Dietrich, Carola (1) Di Virgilio, Michela Prof. Dr. (4) Dräger, Alexander (1) Edes, Inan Dr. (1) Eisenberger, Alina (1) Endemann, Beate Dr. (1) Escobar Fernandez, Helena Dr. (5) Estebanez, Luc Dr. (1) Falcke, Martin Prof. Dr. (17) Falk, Kirsten Dr. (8) Faxel, Miriam (1) Feinkohl, Insa Prof. Dr. (5) Fernández Ochoa, Álvaro Dr. (5) Fielitz, Jens Dr. (11) Filosa, Alessandro Dr. (2) Fischer, Christian (2) Fischer, Cornelius Dr. (5) Forbes, Martin Dr. (1) Forslund, Sofia Dr. (20) Frahm-Barske, Silke Dr. (4) Franke, Vedran Dr. (4) Freimuth, Jonas (1) Friedrich, Corinna (1) Fritsche, Raphaela Dr. (3) Garcia Contreras, Jonathan Alexis (1) Gargiulo, Gaetano Dr. (5) Geisberger, Sabrina Yasmin Dr. (3) Genehr, Carolin (1) Gerhardt, Holger Prof. Dr. (27) Gerlach, Kerstin (5) Ghanbari, Mahsa Dr. (2) Ghauri, Ahla (3) Giese, Wolfgang Dr. (2) Gil, Marine (1) Glorani, Giulia Dr. (1) Gorski, Stan Dr. (3) Gösele, Claudia Dr. (5) Gotthardt, Michael Prof. Dr. (18) Gouti, Mina Dr. (4) Graf, Robin Dr. (1) Grossmann, Katja Dr. (5) Grosswendt, Stefanie Dr. (1) Grybowski, Andrea (1) Guarino, Vanessa Emanuela (2) Guignard, Leo Dr. (1) Gutmann, Friederike (2) Haas, Simon Dr. rer. nat. (10) Haase, Nadine Dr. (4) Haghverdi, Laleh Dr. (2) Hammes-Lewin, Annette Dr. (4) Hänig, Christian (2) Harabula, Izabela-Cezara (1) Hartl, Kimberly (1) Haseleu, Julia Dr. (1) Haucke, Volker Professor (3) Hedtrich, Sarah Prof. Dr. (7) Heinemann, Udo Prof. Dr. (22) Henssen, Anton Prof. Dr. med. (12) Herse, Florian PD Dr. (6) Heuser, Arnd Dr. (6) Hinz, Michael Dr. (2) Hinze, Christian Dr. med. Dipl.-Math. (5) Hirsekorn, Antje (1) Höpken, Uta Elisabeth PD Dr. (23) Hörnberg, Hanna Dr. (1) Hübner, Norbert Prof. Dr. (48) Hummel, Oliver (11) Infante Duarte, Carmen (13) Ivics, Zoltan Dr. (26) Izsvak, Zsuzsanna Dr. (34) Jäger, Marten Dr. (1) Janke, Jürgen Dr. (9) Janz, Martin Dr. (10) Jarosch, Ernst Dr. (5) Jarquin Diaz, Victor Hugo Dr. (1) Jeanrenaud, Alexander Carlin (2) Jedamzick, Johanna Verena (1) Jentsch, Thomas Prof. Dr. (21) Jouhanneau, Jean-Sebastien Dr. (1) Jung, Simone (1) Junker, Jan Philipp Prof. Dr. (10) Jüttner, Rene Dr. (5) Kainmüller, Dagmar Prof. Dr. (13) Kamer, Ilona (1) Kaminski, Michael Dr. (2) Kammertöns, Thomas Dr. (10) Kaufmann, Tom (1) Kautz, Pauline (1) Keller, Ulrich Dr. med. (21) Kempa, Stefan Dr. (13) Kettenmann, Helmut Prof. Dr. (35) Kettritz, Ralph Prof. Dr. (19) Kieback, Elisa Dr. (2) Kieshauer, Janine (1) Kirchner, Marieluise Dr. (12) Kirwan, Jennifer Dr. (10) Klaassen, Sabine Prof. Dr. med. (18) Klaus-Bergmann, Alexandra Dr. (2) Klementowicz-Skierbiszewski, Agnieszka (1) Klich, Jasmin Daniela (1) Klix, Sabrina (2) Klußmann, Enno PD Dr. (10) Kobelt, Dennis Dr. (13) Kocks, Christine Dr. (2) Kofahl, Bente Dr. (1) Köhler, May-Britt (1) Kolesnichenko, Marina Dr. (2) Kowenz-Leutz, Elisabeth Dr. (2) Krabbe, Grietje Dr. (1) Kräker, Kristin Dr. (2) Krüger, Kerstin (2) Krüger, Norman (1) Krull, Sandra Dr. (1) Ku, Min-Chi Dr. (3) Kudryashev, Mikhail Prof. Dr. (7) Kunz, Severine Dr. (3) Lacadie, Scott Allen Dr. (3) Landthaler, Markus Prof. Dr. (29) Langnick, Claudia (2) Lebedin, Mikhail (2) Lee, Young-Ae Prof. Dr. (17) Leisegang, Matthias Prof. Dr. rer. nat. (2) Leutz, Achim Prof. Dr. (16) Lewin, Gary Prof. Dr. (23) Lindberg, Eric Lars-Helge (3) Lisek, Kamil Dr. (1) Lisewski, Ulrike Dr. (1) Lisowski, Pawel Dr. (4) Liu, Tiannan (1) Löber, Ulrike Dr. (5) Lohse, Martin Prof. Dr. (6) Lorenz, Felix Dr. (1) Ludwig, Leif S. Dr. med. Dr. rer. nat. (7) Luft, Friedrich Prof. Dr. (135) Luganskaja, Tatjana (1) Lupianez Garcia, Dario Jesus Dr. (5) Maatz, Henrike Dr. (4) Mahmoodzadeh, Shokoufeh PD Dr. (5) Mais, Lisa (1) Mamo, Tamrat Meshka Dr. (1) Marenholz, Ingo Dr. (6) Marg, Andreas Dr. (3) Marko, Lajos Dr. (11) Marot-Lassauzaie, Valérie (1) Maschmeyer, Patrick Dr. (1) Mastrobuoni, Guido Dr. (3) Mathas, Stephan Dr. (11) Meier, Katja (2) Mekle, Ralf (1) Merks, Anne Margarete Dr. (1) Mertins, Philipp Dr. (22) Metzger, Jakob Johannes Dr. (2) Millward, Jason Dr. (3) Minia, Igor Dr. (1) Mintcheva, Janita (1) Monti, Remo (1) Morano, Ingo Prof. Dr. (13) Moreno Velásquez, Ilais Dr. (4) Motta, Edyta (1) Müller, Dominik Prof. Dr. (39) Müller, Gerd Dr. (3) Müller, Thomas Dr. (5) Müllerke, Stefanie (3) Müthel, Stefanie (2) Na, Il-Kang Dr. (13) Napieczynska, Hanna Dr. (1) Nazare, Marc (4) Neuschulz, Anika (1) Nguyen, Tam Hoai Dr. (1) Niendorf, Thoralf Prof. Dr. (35) Nimptsch, Katharina Dr. (18) Noel, Jeffrey Dr. (3) Nolte, Christiane Dr. (9) Obermayer-Wasserscheid, Benedikt Dr. (20) Oertel, Frederike Cosima MD/PhD (11) Ohler, Uwe Prof. Dr. (26) Olivares Chauvet, Pedro Dr. (1) Oliveras Martinez, Anna Dr. (2) Panakova, Daniela Dr. (8) Pande, Amit Dr. (1) Patarcic, Inga Dr. (1) Patone, Giannino Dr. (6) Paul, Friedemann Prof. Dr. med. (105) Perovic, Tijana (1) Perrot, Andreas (8) Pezzutto, Antonio Prof. Dr. (12) Pham, Thu Thi (1) Piazza, Ilaria Dr. (1) Pilz, Bernhard Dr. (4) Pischon, Tobias Prof. Dr. (51) Pohl, Tobias Dr. (1) Polovitskaya, Mayya (1) Pombo, Ana Prof. Dr. (14) Poncette, Lucia (1) Popova, Elena Dr. (6) Popp, Oliver Dr. (8) Potapenko, Olena (1) Potente, Michael Prof. Dr. (8) Poulet, James Prof. Dr. (4) Preibisch, Stephan Dr. (8) Prigione, Alessandro Prof. Dr. (11) Qadri, Fatimunnisa Dr. (13) Quedenau, Claudia (4) Quensel, Christina Dr. (2) Rademann, Joerg Prof. Dr. (1) Radke, Michael Dr. (4) Rahimi, Faezeh (2) Rahn, Hans-Peter Dr. (3) Rajewsky, Klaus Prof. Dr. (15) Rajewsky, Nikolaus Prof. Dr. (32) Rathjen, Fritz Prof. Dr. (5) Rautenstrauch, Pia Josefine (2) Rehm, Armin Dr. (12) Reimann, Henning Dr. (1) Rhein, Simone Dr. (3) Robson, Michael Dr. (5) Rocks, Oliver Dr. (2) Röefzaad, Claudia (1) Rosenberger, Leonie Milena (1) Rosenthal, Walter Prof. Dr. (3) Rosillo Salazar, Oscar Daniel (1) Roske, Yvette Dr. (4) Rother, Franziska Dr. (1) Rousselle, Anthony (3) Ruiz Orera, Jorge Dr. (6) Rumberger, Josef Lorenz (2) Rybak-Wolf, Agnieszka Dr. (3) Saar, Kathrin Dr. (11) Saha, Nandita (1) Saha, Tannishtha (1) Sander, Maike Prof. Dr. (17) Sanders, Ashley Dr. (6) Santuz, Alessandro Dr. (1) Sapozhnikova, Valeriia (1) Sattentau, Quentin James Prof. Dr. (9) Sauve, Ilaria (1) Sawamiphak, Suphansa Dr. (4) Schäfer, Ronny (1) Scheidereit, Claus Prof. Dr. (11) Schiattarella, Gabriele G. Dr. (21) Schlag, Peter M. Prof. Dr. (55) Schlegel, Wolfgang-Peter (1) Schmidt, Deborah (2) Schmidt, Sabine (1) Schmidt-Krüger, Vanessa Dr. (2) Schmidt-Ullrich, Ruth Dr. (4) Schmitt, Clemens Prof. Dr. (12) Schmitt, Matthias Jürgen Dr. (1) Schnögl, Sigrid (3) Schreiber, Adrian PD Dr. med. (8) Schulz-Menger, Jeanette Prof. Dr. (41) Schütz, Anja Dr. (4) Schwarz, Roland Dr. (8) Schwedhelm, Carolina Dr. (3) Seidel, Franziska Dr. med. (6) Selbach, Matthias Prof. Dr. (30) Semtner, Marcus Dr. (4) Serresi, Michela Dr. (2) Shih, Alexis Zi Le Dr. (1) Sholokh, Anastasiia (1) Shvetsov, Nikolay (1) Sigal, Michael Dr. (7) Simon, Katja Prof. Dr. (13) Simon, Mareike Dr. (1) Singh, Manvendra Dr. (3) Sirbu, Alexei (1) Sohail, Iqra (1) Sohn, Madlen (1) Sommer, Christian (1) Sommer, Thomas Prof. Dr. (14) Spagnoli, Francesca Dr. (3) Spanjaard, Bastiaan Dr. (2) Specker, Edgar Dr. (1) Sperling, Silke Prof. Dr. (6) Sporbert, Anje Dr. (5) Sprink, Thiemo Dr. (1) Spuler, Simone Prof. (24) Stadelmann, Christian (1) Starke, Ludger Benedikt (1) Stein, Ulrike Prof. Dr. (28) Steinfelder, Svenja Dr. (1) Strzelecka, Paulina Maria (1) Suarez Artiles, Lorena Dr. (1) Sugimoto, Yoichiro Dr. (5) Sunaga-Franze, Daniele Yumi Dr. (2) Tano, Jean-Yves Dr. (4) Taube, Martin (2) Teixeira Alves, Luiz Gustavo Dr. (4) Telugu, Narasimha Swamy Dr. (5) Todiras, Mihail (9) Torke, Sebastian Dr. (1) Treier, Mathias Prof. Dr. (2) Tsybulskyi, Volodymyr (1) Tursun, Baris Dr. (6) Uckert, Wolfgang Prof. Dr. (15) Uyar, Bora Dr. (3) Vazquez Garcia, Clara (1) Vazquez Sarandeses, Elena (1) Veltsista, Paraskevi Danai (1) Vidal, Marie Dr. (1) Vieira da Silva, Rafaela (4) Villamil, Gabriel (1) Volkwein, Corinna (1) von Kries, Jens Peter Dr. (5) Vucicevic, Dubravka (1) Waiczies, Helmar Dr. (3) Waiczies, Sonia PD Dr. (5) Wallukat, Gerd Dr. (15) Walther, Wolfgang Prof. Dr. (21) Wanker, Erich Prof. Dr. (25) Weidner, Patrick (1) Wellner, Maren Dr. (4) Wendlinger, Sarah (1) Wenzel, Katrin Dr. (3) Wesolowski, Radoslaw Dr. (1) Westphal, Christina Dr. (1) Wilck, Nicola Dr. med. (7) Willimsky, Gerald Dr. (3) Willnow, Thomas Prof. Dr. (14) Winick-Ng, Warren Dr. (1) Winter, Lukas Dr. (2) Wirges, Anthea Dr. (2) Woehler, Andrew Dr. (6) Wolf, Jana Prof. Dr. (5) Wolf, Susanne Dr. (10) Wurmus, Ricardo (1) Wyler, Emanuel Dr. (14) Yilmaz, Zekiye Buket Dr. (1) Yousefian, Schayan (2) Yu, Xiaoyan (1) Zampieri, Niccolo Dr. (7) Zauber, Henrik Dr. (1) Ziehm, Matthias Dr. (1) Zimmer, Anja (1) Zimmermann, Karin Dr. (2) Zinzen, Robert Patrick Dr. (4) Zong, Yue Dr. (1) Zühlke, Kerstin Dr. (2) Zywitza, Vera Dr. (3) (-) Herzog, Margareta (3) (-) Kühn, Ralf Dr. (16) (-) Langanki, Reika (1) (-) Meyer, Irmtraud Margret Prof. Dr. (8) (-) Münchberg, Stefanie (1) (-) Siffrin, Volker (9) (-) Smith, Janice (4) 1980 - 1989 (1) 1991 (3) 1992 (1) 1993 (4) 1994 (5) 1995 (5) 1996 (10) 1997 (5) 1998 (4) 1999 (1) 2001 (5) 2002 (5) 2003 (5) (-) 2004 (4) 2005 (8) 2006 (5) 2007 (10) 2008 (10) (-) 2009 (16) 2010 (10) 2011 (8) 2012 (17) 2013 (28) (-) 2014 (17) 2015 (23) 2016 (20) 2017 (22) 2018 (12) 2019 (17) 2020 (18) 2021 (33) (-) 2022 (13) 2023 (18) 2024 (2) AG Müller/Dechend (ECRC) (1) Anchored Signalling (1) Animal Phenotyping (1) Bioinformatics of RNA Structure and Transcriptome Regulation (8) Cellular Neurosciences (1) Clinical Research Unit (1) Experimental Ultrahigh-Field MR (7) From Cell States to Function (1) Genetics and Genomics of Cardiovascular Diseases (1) Genome Engineering & Disease Models (16) Genomics (1) Host-microbiome factors in cardiovascular disease (1) Hypertension-caused End-Organ Damage (1) Hypertension-Mediated End-Organ Damage (1) Immune Mechanisms and Human Antibodies (1) Immune Regulation and Cancer (1) Innate Immunity & Neuroinflammation (1) Magnetic Resonance (7) Mobile DNA (1) Molecular Biology of Peptide Hormones (2) Neuroimmunology Laboratory (9) Pluripotent Stem Cells (1) Proteome Dynamics (2) Psychoneuroimmunology (1) RNA Biology and Posttranscriptional Regulation (1) Systems Biology of Gene Regulatory Elements (3) Transgenics (16) Translational Oncology of Solid Tumors (4) 50 Results: Active Filter: Herzog, MargaretaKühn, Ralf Dr.Langanki, ReikaMeyer, Irmtraud Margret Prof. Dr.Münchberg, StefanieSiffrin, VolkerSmith, Janice2004200920142022 Sort: Result score Newest to oldest Oldest to newest May 30, 2014 / Oncotarget RAGE mediates S100A4-induced cell motility via MAPK/ERK and hypoxia signaling and is a prognostic biomarker for human colorectal cancer metastasis M. Dahlmann A. Okhrimenko P. Marcinkowski M. Osterland P. Herrmann J. Smith C.W. Heizmann P.M. Schlag U. Stein July 11, 2014 / PLoS ONE Modulation of dendritic cell immunobiology via inhibition of 3-hydroxy-3-methylglutaryl-CoA (HMG-CoA) reductase T. Leuenberger C.F. Pfueller F. Luessi I. Bendix M. Paterka T. Prozorovski D. Treue S. Luenstedt J. Herz V. Siffrin C. Infante-Duarte F. Zipp S. Waiczies November 01, 2009 / Nucleic Acids Res HMMCONVERTER 1.0: a toolbox for hidden Markov models T.Y. Lam I.M. Meyer September 24, 2004 / Nucleic Acids Res A comparative method for finding and folding RNA secondary structures within protein-coding regions J.S. Pedersen I.M. Meyer R. Forsberg P. Simmonds J. Hein August 06, 2004 / BMC Mol Biol Co-transcriptional folding is encoded within RNA genes I.M. Meyer I. Miklos October 01, 2004 / Mol Biol Evol An evolutionary model for protein-coding regions with conserved RNA structure J.S. Pedersen R. Forsberg I.M. Meyer J. Hein February 04, 2004 / Nucleic Acids Res Gene structure conservation aids similarity based gene prediction I.M. Meyer R. Durbin December 09, 2009 / J Neurosci Cytotoxic CD8+ T cell-neuron interactions: perforin-dependent electrical silencing precedes but is not causally linked to neuronal cell death S.G. Meuth A.M. Herrmann O.J. Simon V. Siffrin N. Melzer S. Bittner P. Meuth H.F. Langer S. Hallermann N. Boldakowa J. Herz T. Munsch P. Landgraf O. Aktas M. Heckmann V. Lessmann T. Budde B.C. Kieseier F. Zipp H. Wiendl June 01, 2009 / Nat Genet Molecular evolution of a novel hyperactive Sleeping Beauty transposase enables robust stable gene transfer in vertebrates L. Mates M.K. Chuah E. Belay B. Jerchow N. Manoj A. Acosta-Sanchez D.P. Grzela A. Schmitt K. Becker J. Matrai L. Ma E. Samara-Kuko C. Gysemans D. Pryputniewicz C. Miskey B. Fletcher T. Vandendriessche Z. Ivics Z. Izsvak July 01, 2009 / Nat Med Activation of kinin receptor B1 limits encephalitogenic T lymphocyte recruitment to the central nervous system U. Schulze-Topphoff A. Prat T. Prozorovski V. Siffrin M. Paterka J. Herz I. Bendix I. Ifergan I. Schadock M.A. Mori J. Van Horssen F. Schroeter A. Smorodchenko M.H. Han M. Bader L. Steinman O. Aktas F. Zipp Pagination Current page 1 Page 2 Page 3 Page 4 … Next page Next › Last page Last »
May 30, 2014 / Oncotarget RAGE mediates S100A4-induced cell motility via MAPK/ERK and hypoxia signaling and is a prognostic biomarker for human colorectal cancer metastasis M. Dahlmann A. Okhrimenko P. Marcinkowski M. Osterland P. Herrmann J. Smith C.W. Heizmann P.M. Schlag U. Stein
July 11, 2014 / PLoS ONE Modulation of dendritic cell immunobiology via inhibition of 3-hydroxy-3-methylglutaryl-CoA (HMG-CoA) reductase T. Leuenberger C.F. Pfueller F. Luessi I. Bendix M. Paterka T. Prozorovski D. Treue S. Luenstedt J. Herz V. Siffrin C. Infante-Duarte F. Zipp S. Waiczies
November 01, 2009 / Nucleic Acids Res HMMCONVERTER 1.0: a toolbox for hidden Markov models T.Y. Lam I.M. Meyer
September 24, 2004 / Nucleic Acids Res A comparative method for finding and folding RNA secondary structures within protein-coding regions J.S. Pedersen I.M. Meyer R. Forsberg P. Simmonds J. Hein
August 06, 2004 / BMC Mol Biol Co-transcriptional folding is encoded within RNA genes I.M. Meyer I. Miklos
October 01, 2004 / Mol Biol Evol An evolutionary model for protein-coding regions with conserved RNA structure J.S. Pedersen R. Forsberg I.M. Meyer J. Hein
February 04, 2004 / Nucleic Acids Res Gene structure conservation aids similarity based gene prediction I.M. Meyer R. Durbin
December 09, 2009 / J Neurosci Cytotoxic CD8+ T cell-neuron interactions: perforin-dependent electrical silencing precedes but is not causally linked to neuronal cell death S.G. Meuth A.M. Herrmann O.J. Simon V. Siffrin N. Melzer S. Bittner P. Meuth H.F. Langer S. Hallermann N. Boldakowa J. Herz T. Munsch P. Landgraf O. Aktas M. Heckmann V. Lessmann T. Budde B.C. Kieseier F. Zipp H. Wiendl
June 01, 2009 / Nat Genet Molecular evolution of a novel hyperactive Sleeping Beauty transposase enables robust stable gene transfer in vertebrates L. Mates M.K. Chuah E. Belay B. Jerchow N. Manoj A. Acosta-Sanchez D.P. Grzela A. Schmitt K. Becker J. Matrai L. Ma E. Samara-Kuko C. Gysemans D. Pryputniewicz C. Miskey B. Fletcher T. Vandendriessche Z. Ivics Z. Izsvak
July 01, 2009 / Nat Med Activation of kinin receptor B1 limits encephalitogenic T lymphocyte recruitment to the central nervous system U. Schulze-Topphoff A. Prat T. Prozorovski V. Siffrin M. Paterka J. Herz I. Bendix I. Ifergan I. Schadock M.A. Mori J. Van Horssen F. Schroeter A. Smorodchenko M.H. Han M. Bader L. Steinman O. Aktas F. Zipp