87 Result(s)

Article

COMPUTATIONAL STUDIES OF THE PRODUCTS OF TOSYLATION AND para-NITROBENZENESULFOCHLORINATION OF β-AMINOPROPIOAMIDOXIMES

Arylsulfochlorination of β-aminopropioamidoximes is theoretically studied using estimations of thermodynamic parameters of the corresponding reactions, quantum chemical HOMO–LUMO analysis of molecular structur...

E. M. Yergaliyeva, L. A. Kayukova, K. B. Bazhykova… in Journal of Structural Chemistry (2021)

Article

Ein seltener Subtyp duodenaler neuroendokriner Tumore

N. Bouzakri, S. Schulz, A. Eickhoff, P. Langer in Der Chirurg (2021)

Article

Surgical therapy of adrenal tumors: guidelines from the German Association of Endocrine Surgeons (CAEK)

Previous guidelines addressing surgery of adrenal tumors required actualization in adaption of developments in the area. The present guideline aims to provide practical and qualified recommendations on an evid...

K. Lorenz, P. Langer, B. Niederle, P. Alesina… in Langenbeck's Archives of Surgery (2019)

Article

Application of Suzuki-Miyaura Reaction in the Chemistry of Oxolan-2-ones

The reactions of 2-(2-chloroprop-2-en-1-yl)-5,5-dimethyloxolan-2-one with arylboronic acids in the presence of Pd(PPh₃)₄ and K₂CO₃ was used to synthesize novel oxolan-2-one derivatives—3-[(2-aryl)prop-2-en-1-yl]-...

T. V. Ghochikyan, A. S. Vardanyan, M. A. Samvelyan… in Russian Journal of Organic Chemistry (2019)

Article

Sonogashira reaction of 5-substituted 3-(prop-2-yn-1-yl)oxolan-2-ones

Palladium-catalyzed cross-coupling of 5-methyl- and 5,5-dimethyl-3-(prop-2-yn-1-yl)oxolan-2-ones with dihaloarenes (dihaloheteroarenes) gave mixtures of the corresponding mono- and bis-coupling products. The l...

T. V. Ghochikyan, M. A. Samvelyan, A. S. Galstyan… in Russian Journal of Organic Chemistry (2017)

Article

Stereoselective synthesis of thioxanthone derivatives from 3-(trifluoroacetyl)thiochromone and bis(silyl enol ethers)

V. O. Iaroshenko, A. Bunescu, D. V. Sevenard… in Russian Chemical Bulletin (2015)

Article

Multiple small “imaging” branch-duct type intraductal papillary mucinous neoplasms (IPMNs) in familial pancreatic cancer: indicator for concomitant high grade pancreatic intraepithelial neoplasia?

Most screening programs for familial pancreatic cancer are currently based on endoscopic ultrasonography and/or magnetic resonance imaging (MRI). Cystic lesions, especially those suspicious for small intraduct...

D. K. Bartsch, K. Dietzel, M. Bargello, E. Matthaei, G. Kloeppel… in Familial Cancer (2013)

Chapter

Endokrine Tumoren des gastroenteropankreatischen Systems

Das endokrine gastroenteropankreatoische System ist das größte endokrine System des Körpers. Die hier gebildeten Hormone sind für die Freisetzung von Verdauungssäften, die Darmmotilität und die Trophik verantw...

R. Arnold, P. Langer, Matthias Rothmund, G. Klöppel… in Praxis der Viszeralchirurgie (2013)

Chapter

Multiple endokrine Neoplasien

Die multiple endokrine Neoplasie Type 1 (MEN 1) ist, wie von Wermer 1954 bereits vermutet, ein autosomal-dominant vererbtes Tumorsyndrom, das vor allem durch das Auftreten von Neoplasien der Nebenschilddrüsen ...

P. Langer, C.L. López, D.K. Bartsch, W. Höppner, A. Machens… in Praxis der Viszeralchirurgie (2013)

Article

Peripheral bone mineral density in correlation to disease-related predisposing conditions in patients with multiple endocrine neoplasia type 1

Background and aim: Patients with multiple endocrine neoplasia type 1 (MEN1) often have low bone mineral density (BMD) attributed to primary hyperparathyroidism (pHPT). However, in MEN1 patients,...

P. H. Kann MD, PhD, MA, D. Bartsch, P. Langer… in Journal of Endocrinological Investigation (2012)

Chapter

Endokrine Chirurgie des Bauchraums

Die endokrine Chirurgie des Bauchraums befasst sich mit einer Vielzahl von Krankheitsbildern, welche mehrere Organe bzw. Organsysteme betreffen, äußerst heterogen sind und sich daher nur schwer gemeinsam bezüg...

P. Langer, D. K. Bartsch in Behandlungsfehler und Haftpflicht in der Viszeralchirurgie (2010)

Article

Bettongs, Potoroos and the Musky Rat-Kangaroo

P. Langer in Mammalian Biology (2009)

Article

Physiological Ecology. How Animals Process Energy, Nutrients, and Toxins

P. Langer in Mammalian Biology (2009)

Chapter and Conference Paper

Pancreatic-duodenal homeobox 1 (Pdx1) expression distinguishes between duodenal and pancreatic gastrinomas

Gastrinomas are responsible for Zollinger-Ellison syndrome (ZES). 80–90 per cent of them are located in the so-called gastrinoma triangle, which includes the duodenum, the pancreatic head and the hepatoduodena...

V. Fendrich, R. Ramerth, J. Waldmann, P. Langer… in Chirurgisches Forum und DGAV Forum 2009 (2009)

Article

Hereditäres Pankreaskarzinom

Etwa 3% aller duktalen Pankreaskarzinome beruhen auf einer vererbten genetischen Prädisposition. Hereditäre Formen des Pankreaskarzinoms treten dabei in 3 klinischen Szenarien auf: 1. Tumorprädispositionssyndr...

N. Habbe, P. Langer, Prof. Dr. D.K. Bartsch in Der Chirurg (2008)

Article

Mammals from the Age of Dinosaurs: Origins, Evolution, and Structure

P. Langer in Mammalian Biology (2008)

Article

Evolutionary History of the Marsupials and an Analysis of Osteological Characters

P. Langer in Mammalian Biology (2008)