Works matching AU Schäfer, Helmut

Results: 77

Aufgaben der Sicherheitsabteilung bei Planung und Betrieb von Chemieanlagen.

Published in:

Chemie Ingenieur Technik (CIT), 1975, v. 47, n. 11, p. 487, doi. 10.1002/cite.330471113

By:

Schäfer, Helmut K.

Publication type:

Article

Kontinuierliche Produktherstellung in Mühlen.

Published in:

Chemie Ingenieur Technik (CIT), 1968, v. 40, n. 15, p. 773, doi. 10.1002/cite.330401511

By:

Schäfer, Helmut

Publication type:

Article

Kontinuierliches Lösen von Salzen im Gleichstrom.

Published in:

Chemie Ingenieur Technik (CIT), 1961, v. 33, n. 11, p. 743, doi. 10.1002/cite.330331106

By:

Schäfer, Helmut

Publication type:

Article

Kontinuierliches Lösen von Salzen im Gegenstrom.

Published in:

Chemie Ingenieur Technik (CIT), 1961, v. 33, n. 8, p. 551, doi. 10.1002/cite.330330808

By:

Schäfer, Helmut

Publication type:

Article

Nanopartikel für die Aufwärtskonversion.

Published in:

Angewandte Chemie, 2011, v. 123, n. 26, p. 5928, doi. 10.1002/ange.201005159

By:

Haase, Markus;
Schäfer, Helmut

Publication type:

Article

Making Medical Decisions in Dependence of Genetic Background: Estimation of the Utility of DNA Testing in Clinical, Pharmaco-Epidemiological or Genetic Studies.

Published in:

Genetic Epidemiology, 2013, v. 37, n. 4, p. 311, doi. 10.1002/gepi.21701

By:

Nguyen, Thuy Trang;
Schäfer, Helmut;
Timmesfeld, Nina

Publication type:

Article

Including sampling and phenotyping costs into the optimization of two stage designs for genome wide association studies.

Published in:

Genetic Epidemiology, 2007, v. 31, n. 8, p. 844, doi. 10.1002/gepi.20245

By:

Müller, Hans-Helge;
Pahl, Roman;
Schäfer, Helmut

Publication type:

Article

Reducing sample sizes in genome scans: Group sequential study designs with futility stops.

Published in:

Genetic Epidemiology, 2003, v. 25, n. 4, p. 339, doi. 10.1002/gepi.10265

By:

Inke R. König;
Helmut Schäfer;
Andreas Ziegler;
Hans-Helge Müller

Publication type:

Article

The Use of Sequential Designs in Genome Scans for Asthma Susceptibility Loci With Affected Sib Pairs.

Published in:

Genetic Epidemiology, 2001, v. 21, p. S49, doi. 10.1002/gepi.2001.21.s1.s49

By:

Böddeker, Inke R.;
Müller, Hans-Helge;
Kreβ, Ralf;
Geller, Frank;
Ziegler, Andreas;
Schäfer, Helmut

Publication type:

Article

PERMORY-MPI: a program for high-speed parallel permutation testing in genome-wide association studies.

Published in:

Bioinformatics, 2012, v. 28, n. 8, p. 1168

By:

Steiß, Volker;
Letschert, Thomas;
Schäfer, Helmut;
Pahl, Roman

Publication type:

Article

PERMORY: an LD-exploiting permutation test algorithm for powerful genome-wide association testing.

Published in:

Bioinformatics, 2010, v. 26, n. 17, p. 2093, doi. 10.1093/bioinformatics/btq399

By:

Pahl, Roman;
Schäfer, Helmut

Publication type:

Article

Gene–environment interactions for complex traits: definitions, methodological requirements and challenges.

Published in:

European Journal of Human Genetics, 2008, v. 16, n. 10, p. 1164, doi. 10.1038/ejhg.2008.106

By:

Dempfle, Astrid;
Scherag, André;
Hein, Rebecca;
Beckmann, Lars;
Chang-Claude, Jenny;
Schäfer, Helmut

Publication type:

Article

Preferential reciprocal transfer of paternal/maternal DLK1 alleles to obese children: first evidence of polar overdominance in humans.

Published in:

European Journal of Human Genetics, 2008, v. 16, n. 9, p. 1126, doi. 10.1038/ejhg.2008.64

By:

Wermter, Anne-Kathrin;
Scherag, André;
Meyre, David;
Reichwald, Kathrin;
Durand, Emmanuelle;
Nguyen, Thuy Trang;
Koberwitz, Kerstin;
Lichtner, Peter;
Meitinger, Thomas;
Schäfer, Helmut;
Hinney, Anke;
Froguel, Philippe;
Hebebrand, Johannes;
Brönner, Günter

Publication type:

Article

Molecular genetics of adult ADHD: converging evidence from genome-wide association and extended pedigree linkage studies.

Published in:

Journal of Neural Transmission, 2008, v. 115, n. 11, p. 1573, doi. 10.1007/s00702-008-0119-3

By:

Lesch, Klaus-Peter;
Timmesfeld, Nina;
Renner, Tobias J.;
Halperin, Rebecca;
Röser, Christoph;
Nguyen, T. Trang;
Craig, David W.;
Romanos, Jasmin;
Heine, Monika;
Meyer, Jobst;
Freitag, Christine;
Warnke, Andreas;
Romanos, Marcel;
Schäfer, Helmut;
Walitza, Susanne;
Reif, Andreas;
Stephan, Dietrich A.;
Jacob, Christian

Publication type:

Article

Refining the impact of TCF7L2 gene variants on type 2 diabetes and adaptive evolution.

Published in:

Nature Genetics, 2007, v. 39, n. 2, p. 218, doi. 10.1038/ng1960

By:

Helgason, Agnar;
Pálsson, Snæbjörn;
Thorleifsson, Gudmar;
Grant, Struan F. A.;
Emilsson, Valur;
Gunnarsdottir, Steinunn;
Adeyemo, Adebowale;
Yuanxiu Chen;
Guanjie Chen;
Reynisdottir, Inga;
Benediktsson, Rafn;
Hinney, Anke;
Hansen, Torben;
Andersen, Gitte;
Borch-Johnsen, Knut;
Jorgensen, Torben;
Schäfer, Helmut;
Faruque, Mezbah;
Doumatey, Ayo;
Jie Zhou

Publication type:

Article

Prevalence, Spectrum, and Functional Characterization of Melanocortin-4 Receptor Gene Mutations in a Representative Population-Based Sample and Obese Adults from Germany.

Published in:

Journal of Clinical Endocrinology & Metabolism, 2006, v. 91, n. 5, p. 1761, doi. 10.1210/jc.2005-2056

By:

Hinney, Anke;
Bettecken, Thomas;
Tarnow, Patrick;
Brumm, Harald;
Reichwald, Kathrin;
Lichtner, Peter;
Scherag, André;
Nguyen, Thuy Trang;
Schlumberger, Pia;
Rief, Winfried;
Vollmert, Caren;
Illig, Thomas;
Wichmann, H-Erich;
Schäfer, Helmut;
Platzer, Matthias;
Biebermann, Heike;
Meitinger, Thomas;
Hebebrand, Johannes

Publication type:

Article

The 103I Variant of the Melanocortin 4 Receptor Is Associated with Low Serum Triglyceride Levels.

Published in:

Journal of Clinical Endocrinology & Metabolism, 2006, v. 91, n. 2, p. 535, doi. 10.1210/jc.2005-0919

By:

Brönner, Günter;
Sattler, Alexander M.;
Hinney, Anke;
Soufi, Muhidien;
Geller, Frank;
Schäfer, Helmut;
Maisch, Bernhard;
Hebebrand, Johannes;
Schaefer, Juergen R.

Publication type:

Article

Ghrelin Receptor Gene: Identification of Several Sequence Variants in Extremely Obese Children and Adolescents, Healthy Normal-Weight and Underweight Students, and Children with Short Normal Stature.

Published in:

Journal of Clinical Endocrinology & Metabolism, 2004, v. 89, n. 1, p. 157, doi. 10.1210/jc.2003-031395

By:

HAI-JUN WANG;
GELLER, FRANK;
DEMPFLE, ASTRID;
SCHÄUBLE, NADINE;
FRIEDEL, SUSANN;
LICHTNER, PETER;
FONTENLA-HORRO, FRANCISCO;
WUDY, STEFAN;
HAGEMANN, SANDRA;
GORTNER, LUDWIG;
HUSE, KLAUS;
REMSCHMIDT, HELMUT;
BETTECKEN, THOMAS;
MEITINGER, THOMAS;
SCHÄFER, HELMUT;
HEBEBRAND, JOHANNES;
HINNEY, ANKE

Publication type:

Article

Melanocortin-4 Receptor Gene: Case-Control Study and Transmission Disequilibrium Test Confirm that Functionally Relevant Mutations Are Compatible with a Major Gene Effect for Extreme Obesity.

Published in:

Journal of Clinical Endocrinology & Metabolism, 2003, v. 88, n. 9, p. 4258, doi. 10.1210/jc.2003-030233

By:

HINNEY, ANKE;
HOHMANN, SARAH;
GELLER, FRANK;
VOGEL, CONSTANZE;
HESS, CLAUDIA;
WERMTER, ANNE-KATHRIN;
BROKAMP, BRITTA;
GOLDSCHMIDT, HANSPETER;
SIEGFRIED, WOLFGANG;
REMSCHMIDT, HELMUT;
SCHÄFER, HELMUT;
GUDERMANN, THOMAS;
HEBEBRAND, JOHANNES

Publication type:

Article

Ghrelin gene: identification of missense variants and a frameshift mutation in extremely obese children and adolescents and healthy normal weight students.

Published in:

Journal of Clinical Endocrinology & Metabolism, 2002, v. 87, n. 6, p. 2716, doi. 10.1210/jcem.87.6.8672

By:

Hinney, Anke;
Hoch, Anne;
Geller, Frank;
Schäfer, Helmut;
Siegfried, Wolfgang;
Goldschmidt, Hanspeter;
Remschmidt, Helmut;
Hebebrand, Johannes

Publication type:

Article

Ghrelin Receptor Gene: Identification of Several Sequence Variants in Extremely Obese Children and Adolescents, Healthy Normal-Weight and Underweight Students, and Children with Short Normal Stature.

Published in:

Journal of Clinical Endocrinology & Metabolism, 1996, v. 81, n. 1, p. 157, doi. 10.1210/jc.2003-031395

By:

HAI-JUN WANG;
GELLER, FRANK;
DEMPFLE, ASTRID;
SCHAÜBLE, NADINE;
FRIEDEL, SUSANN;
LICHTNER, PETER;
FONTENLA-HORRO, FRANCISCO;
WUDY, STEFAN;
HAGEMANN, SANDRA;
GORTNER, LUDWIG;
HUSE, KLAUS;
REMSCHMIDT, HELMUT;
BETTECKEN, THOMAS;
MEITINGER, THOMAS;
SCHÄFER, HELMUT;
HEBEBRAND, JOHANNES;
HINNEY, ANKE

Publication type:

Article

Oxygen Plasma Effects on Zero Resistance Behavior of Yb,Er-doped YBCO (123) Based Superconductors.

Published in:

Zeitschrift für Anorganische und Allgemeine Chemie, 2014, v. 640, n. 10, p. 1900, doi. 10.1002/zaac.201400131

By:

Schäfer, Helmut;
Banko, Franziska;
Nordmann, Jörg;
Voss, Benjamin;
Steinhart, Martin;
Walder, Lorenz;
Rathmann, Dirk

Publication type:

Article

A Novel Heteroaromatic System: 2,1,3-Benzothiadiazinylium Derivatives.

Published in:

Angewandte Chemie International Edition, 1977, v. 16, n. 11, p. 780, doi. 10.1002/anie.197707801

By:

Kosbahn, Wolfgang;
Schäfer, Helmut

Publication type:

Article

Synthesis of Hexagonal Yb3+,Er3+-Doped NaYF4 Nanocrystals at Low Temperature.

Published in:

Advanced Functional Materials, 2009, v. 19, n. 19, p. 3091, doi. 10.1002/adfm.200900642

By:

Schäfer, Helmut;
Ptacek, Pavel;
Eickmeier, Henning;
Haase, Markus

Publication type:

Article

Use of percentiles for the body mass index in anorexia nervosa: Diagnostic, epidemiological and...

Published in:

International Journal of Eating Disorders, 1996, v. 19, n. 4, p. 359, doi. 10.1002/(SICI)1098-108X(199605)19:4<359::AID-EAT4>3.0.CO;2-K

By:

Heberbrand, Johannes;
Himmelmann, Günther W.;
Heseker, Helmut;
Schäfer, Helmut;
Remschmidt, Helmut

Publication type:

Article

Body weight in acute anorexia nervosa and at follow-up assessed with percentiles for the body...

Published in:

International Journal of Eating Disorders, 1996, v. 19, n. 4, p. 347, doi. 10.1002/(SICI)1098-108X(199605)19:4<347::AID-EAT3>3.0.CO;2-L

By:

Heberbrand, Johannes;
Himmelmann, Günther W.;
Wewetzer, Christoph;
Gutenbrunner, Cornelius;
Schäfer, Helmut;
Remschmidt, Helmut

Publication type:

Article

Zirconia-based Aerogels via.

Published in:

Chemistry - An Asian Journal, 2013, v. 8, n. 9, p. 2211, doi. 10.1002/asia.201300488

By:

Schäfer, Helmut;
Brandt, Susanne;
Milow, Barbara;
Ichilmann, Sachar;
Steinhart, Martin;
Ratke, Lorenz

Publication type:

Article

STATISTICAL BASIS OF REFERENCE VALUES IN LABORATORY MEDICINE.

Published in:

Statistics in Medicine, 1996, v. 15, n. 20, p. 2266, doi. 10.1002/(SICI)1097-0258(19961030)15:20<2266::AID-SIM365>3.0.CO;2-6

By:

SCHÄFER, HELMUT

Publication type:

Article

Constructing a cut-off point for a quantitative diagnostic test.

Published in:

Statistics in Medicine, 1989, v. 8, n. 11, p. 1381, doi. 10.1002/sim.4780081110

By:

Schäfer, Helmut

Publication type:

Article

Use of Suspended Particles as a New Approach to Increase the Active Electrode Area in Water Electrolysis Experiments.

Published in:

ChemCatChem, 2024, v. 16, n. 15, p. 1, doi. 10.1002/cctc.202400041

By:

Balkenhohl, Danni;
Huck, Marten;
Bookholt, Tom;
Lilli, Bettina;
Enke, Dirk;
Rüwe, Klara;
Brune, Julia;
Daum, Diemo;
Schäfer, Helmut

Publication type:

Article

Ultrafine Sanding Paper: A Simple Tool for Creating Small Particles.

Published in:

Small, 2015, v. 11, n. 8, p. 931, doi. 10.1002/smll.201303930

By:

Schäfer, Helmut;
Hess, Claudia;
Tobergte, Heinrich;
Volf, Anna;
Ichilmann, Sachar;
Eickmeier, Henning;
Voss, Benjamin;
Kashaev, Nikolai;
Nordmann, Jörg;
Akram, Wajiha;
Hartmann‐Azanza, Brigitte;
Steinhart, Martin

Publication type:

Article

Free‐Sustaining Three‐Dimensional S235 Steel‐Based Porous Electrocatalyst for Highly Efficient and Durable Oxygen Evolution.

Published in:

ChemSusChem, 2018, v. 11, n. 20, p. 3661, doi. 10.1002/cssc.201801351

By:

Han, Weijia;
Kuepper, Karsten;
Hou, Peilong;
Akram, Wajiha;
Eickmeier, Henning;
Hardege, Jörg;
Steinhart, Martin;
Schäfer, Helmut

Publication type:

Article

Oxidized Mild Steel S235: An Efficient Anode for Electrocatalytically Initiated Water Splitting.

Published in:

ChemSusChem, 2015, v. 8, n. 18, p. 3099, doi. 10.1002/cssc.201500666

By:

Schäfer, Helmut;
Küpper, KarstEN;
Wollschläger, Joachim;
Kashaev, Nikolai;
Hardege, Jörg;
Walder, LorENz;
MohsEN Beladi ‐ Mousavi, Seyyed;
Hartmann ‐ Azanza, Brigitte;
Steinhart, Martin;
Sadaf, Shamaila;
Dorn, Falk

Publication type:

Article

Transmission disequilibrium analysis of the functional 5-HT 3A receptor variant C178T in early-onset obsessive-compulsive disorder.

Published in:

Journal of Psychopharmacology, 2007, v. 21, n. 8, p. 833, doi. 10.1177/0269881106073560

By:

Mössner, Rainald;
Döring, Nicole;
Scherag, André;
Schäfer, Helmut;
Herpertz-Dahlmann, Beate;
Remschmidt, Helmut;
Schulz, Eberhard;
Renner, Tobias;
Wewetzer, Christoph;
Warnke, Andreas;
Lesch, Klaus-Peter;
Walitza, Susanne

Publication type:

Article

Novel common copy number variation for early onset extreme obesity on chromosome 11q11 identified by a genome-wide analysis.

Published in:

Human Molecular Genetics, 2011, v. 20, n. 4, p. 840, doi. 10.1093/hmg/ddq518

By:

Jarick, Ivonne;
Vogel, Carla I.G.;
Scherag, Susann;
Schäfer, Helmut;
Hebebrand, Johannes;
Hinney, Anke;
Scherag, André

Publication type:

Article

Evidence for involvement of the vitamin D receptor gene in idiopathic short stature via a genome-wide linkage study and subsequent association studies.

Published in:

Human Molecular Genetics, 2006, v. 15, n. 18, p. 2772, doi. 10.1093/hmg/ddl218

By:

Dempfle, Astrid;
Wudy, Stefan A.;
Saar, Kathrin;
Hagemann, Sandra;
Friedel, Susann;
Scherag, André;
Berthold, Lars D.;
Alzen, Gerhard;
Gortner, Ludwig;
Blum, Werner F.;
Hinney, Anke;
Nürnberg, Peter;
Schäfer, Helmut;
Hebebrand, Johannes

Publication type:

Article

Biomarker-driven population enrichment for adaptive oncology trials with time to event endpoints.

Published in:

2016

By:

Mehta, Cyrus;
Schäfer, Helmut;
Daniel, Hanna;
Irle, Sebastian

Publication type:

journal article

Biomarker driven population enrichment for adaptive oncology trials with time to event endpoints.

Published in:

Statistics in Medicine, 2014, v. 33, n. 26, p. 4515, doi. 10.1002/sim.6272

By:

Mehta, Cyrus;
Schäfer, Helmut;
Daniel, Hanna;
Irle, Sebastian

Publication type:

Article

Zur Katalysator-Desaktivierung bei der Metathese von 1-Buten.

Published in:

Chemie Ingenieur Technik (CIT), 1989, v. 61, n. 8, p. 658, doi. 10.1002/cite.330610829

By:

Schäfer, Helmut;
Hofmann, Hanns

Publication type:

Article

Sicherheitsmaßnahmen bei der Lagerung chemischer Produkte. Neue Empfehlungen des Verbandes der Chemischen Industrie.

Published in:

Chemie Ingenieur Technik (CIT), 1988, v. 60, n. 1, p. 9, doi. 10.1002/cite.330600104

By:

Schäfer, Helmut K.

Publication type:

Article

Das Begasen von viskosen Flüssigkeiten durch eine abwärts gerichtete Zweistoff-Düse (2. Teil).

Published in:

Chemie Ingenieur Technik (CIT), 1982, v. 54, n. 10, p. 928, doi. 10.1002/cite.330541017

By:

Stein, Werner Alexander;
Schäfer, Helmut

Publication type:

Article

Das Begasen von viskosen Flüssigkeiten durch eine abwärts gerichtete Zweistoff-Düse.

Published in:

Chemie Ingenieur Technik (CIT), 1982, v. 54, n. 6, p. 616, doi. 10.1002/cite.330540618

By:

Stein, Werner Alexander;
Schäfer, Helmut

Publication type:

Article

Electro-Oxidation of Ni42 Steel: A Highly Active Bifunctional Electrocatalyst.

Published in:

Advanced Functional Materials, 2016, v. 26, n. 35, p. 6402, doi. 10.1002/adfm.201601581

By:

Schäfer, Helmut;
Chevrier, Daniel M.;
Zhang, Peng;
Stangl, Johannes;
Müller‐Buschbaum, Klaus;
Hardege, Jörg D.;
Kuepper, Karsten;
Wollschläger, Joachim;
Krupp, Ulrich;
Dühnen, Simon;
Steinhart, Martin;
Walder, Lorenz;
Sadaf, Shamaila;
Schmidt, Mercedes

Publication type:

Article

Integral and Associated Lysosomal Membrane Proteins.

Published in:

Traffic, 2007, v. 8, n. 12, p. 1676, doi. 10.1111/j.1600-0854.2007.00643.x

By:

Schröder, Bernd;
Wrocklage, Christian;
Pan, Cuiping;
Jäger, Ralf;
Kösters, Bernd;
Schäfer, Helmut;
Elsässer, Hans-Peter;
Mann, Matthias;
Hasilik, Andrej

Publication type:

Article

Co-morbidity of adult attention-deficit/hyperactivity disorder with focus on personality traits and related disorders in a tertiary referral center.

Published in:

European Archives of Psychiatry & Clinical Neuroscience, 2007, v. 257, n. 6, p. 309, doi. 10.1007/s00406-007-0722-6

By:

Jacob, Christian P.;
Romanos, Jasmin;
Dempfle, Astrid;
Heine, Monika;
Windemuth-Kieselbach, Christine;
Kruse, Anja;
Reif, Andreas;
Walitza, Susanne;
Romanos, Marcel;
Strobel, Alexander;
Brocke, Burkhard;
Schäfer, Helmut;
Schmidtke, Armin;
Böning, Jobst;
Lesch, Klaus-Peter

Publication type:

Article

Optimal Robust Two-Stage Designs for Genome-Wide Association Studies.

Published in:

Annals of Human Genetics, 2009, v. 73, n. 6, p. 638, doi. 10.1111/j.1469-1809.2009.00544.x

By:

Thuy Trang Nguyen;
Pahl, Roman;
Schäfer, Helmut

Publication type:

Article

Hexaaryltetragermabuta-1,3-diene: A Molecule with Conjugated Ge−Ge Double Bonds.

Published in:

Angewandte Chemie International Edition, 2000, v. 39, n. 20, p. 3703, doi. 10.1002/1521-3773(20001016)39:20<3703::AID-ANIE3703>3.0.CO;2-9

By:

Schäfer, Helmut;
Saak, Wolfgang;
Weidenbruch, Manfred

Publication type:

Article

Increasing the sample size during clinical trials with t-distributed test statistics without inflating the type I error rate.

Published in:

Statistics in Medicine, 2007, v. 26, n. 12, p. 2449, doi. 10.1002/sim.2725

By:

Timmesfeld, Nina;
Schäfer, Helmut;
Müller, Hans-Helge

Publication type:

Article

A general statistical principle for changing a design any time during the course of a trial.

Published in:

Statistics in Medicine, 2004, v. 23, n. 16, p. 2497, doi. 10.1002/sim.1852

By:

Müller, Hans-Helge;
Schäfer, Helmut

Publication type:

Article

Construction of group sequential designs in clinical trials on the basis of detectable treatment differences.

Published in:

Statistics in Medicine, 2004, v. 23, n. 9, p. 1413, doi. 10.1002/sim.1751

By:

Schäfer, Helmut;
Müller, Hans-Helge

Publication type:

Article