Results 91 to 100 of about 220,352 (294)

Einstein's Miraculous Year [PDF]

Resonance volume 10 number 3, pp. 35-56 (2005), 2013
With each passing year, the young Albert Einstein's achievements in physics in the year 1905 seem to be ever more miraculous. We describe why the centenary of this remarkable year is worthy of celebration.
arxiv  

La mecànica de Newton i la seva influència en la formació de la física moderna [PDF]

, 2014
La primera traducció al català d'un article d ...
Albert Einstein
core   +1 more source

Cyclo‐P5− neu betrachtet: Das erstaunlich stabile unkoordinierte Pentaphospholid‐Anion

Angewandte Chemie, EarlyView.
Das faszinierende cyclo‐P5−‐Anion, das isolobal zum bekannten Cyclopentadienyl‐Anion ist, wurde erstmals kristallographisch in den Salzen [M([2.2.2]cryptand)][cyclo‐P5] (M = Na, K) charakterisiert. Die Verbindungen wurden ferner durch UV/Vis‐Spektroskopie in Lösung und im festen Zustand durch Raman‐ und 31P MAS NMR‐Spektroskopie charakterisiert ...
Moritz J. Ernst, Andrey Petrov, Mirjam Schröder, Björn Corzilius, Christian Müller   +4 more
wiley   +1 more source

Segurança e eficácia dos stents farmacológicos eluidores de biolimus com polímero biodegradável: análise do registro EINSTEIN (Evaluation of Next-generation drug-eluting STEnt IN patients with coronary artery disease)

Einstein (São Paulo), 2013
OBJETIVO: Avaliar a incidência de eventos adversos cardíacos maiores (morte cardíaca, infarto agudo do miocárdio ou necessidade de nova revascularização do vaso-alvo) em 1 ano em pacientes do "mundo real".
Cristiano Freitas de Souza, Anwar Mohamed El Mouallem, Fábio Sândoli de Brito Júnior, Alexandre Antônio Cunha Abizaid, Breno Oliveira Almeida, Amanda Gonçalves Almeida, Teresa Cristina Dias Cunha Nascimento, Marco Antonio Perin, Adriano Caixeta   +8 more
doaj  

Die Rolle der Reduzierbarkeit von PtGaOx‐basierten Katalysatoren für effiziente und beständige Propan‐Dehydrierung

Angewandte Chemie, EarlyView.
Die reaktionsinduzierte Reduktion von oxidiertem GaOx wurde als die Hauptursache für die Deaktivierung von PtGaOx‐Katalysatoren in der PDH identifiziert. Reduziertes GaOx ist bezüglich der Bildung von Wasserstoff durch Pt‐assistierte Rekombination von zwei aus Propan gebildeten H‐Atomen an der Katalysatoroberfläche weniger reaktiv. Dieser unerwünschten
Kai Wu, Vita A. Kondratenko, Mingxia Zhou, Dmitry E. Doronkin, Stephan Bartling, Qiyang Zhang, Shanlei Han, Xin Jia, Qi Liu, Dong Xiong, Chunming Xu, Guiyuan Jiang, Dan Zhao, Uwe Rodemerck, David Linke, Evgenii V. Kondratenko   +15 more
wiley   +1 more source

Combining sodium-glucose co-transporter-2 inhibitor with mesenchymal stem cells and brown adipose tissue (BAT) and white adipose tissue (WAT) transplantation to mitigate the progression of diabetic kidney disease: a pre-clinical approach

Stem Cell Research & Therapy
Introduction The increasing prevalence of Diabetes Mellitus (DM) correlates with a rising incidence of Diabetic Kidney Disease (DKD). DKD, a multifactorial condition, is characterized by activation of the renin–angiotensin–aldosterone system (RAAS), with
Stephany Beyerstedt, Marcella L. Franco, Alanah K. G. Carlos, Jaqueline Arjona, Gleice R. Josefi-Rocha, Bruno S. Barbosa, Maria Theresa A. Balby-Rocha, Andrei Furlan da Silva, Tuany Marques Reiter Alves, Melise Oliveira Mariano, Maria Clara Soares Klein, Érika Bevilaqua Rangel   +11 more
doaj   +1 more source

Mechanistic Promiscuity in Cobalt Mediated CO2 Reduction Reaction: One‐ versus Two‐Electron Reduction Process

Angewandte Chemie International Edition, Accepted Article.
We compare the carbon dioxide reduction (CO2RR) activity and selectivity of the complexes [(Hbbpya)CoII]2+ and [(Mebbpya)CoII]2+, which contain two 2,2′‐bipyridine chelating groups linked by ‐NH or ‐NCH3 moieties, respectively. Whereas [(Hbbpya)CoII]2+ forms CO under electrocatalytic conditions in presence of phenol (PhOH) with high selectivity ...
Ayan Bera, Sarah Bimmermann, Philipp Gerschel, Dibya Jyoti Barman, Leon Gerndt, Thomas Lohmiller, Kaltum Abdiaziz, Alexander Schnegg, Maylis Orio, Dennis G. H. Hetterscheid, Kara L. Bren, Michael Roemelt, Ulf-Peter Apfel, Kallol Ray   +13 more
wiley   +1 more source

Levodopa versus non-levodopa brain language fMRI in Parkinson's disease

Einstein (São Paulo)
OBJECTIVE: To identify the effect of levodopa in language areas in Parkinson's disease patients. METHODS: We evaluated 50 patients with mild to moderate Parkinson's disease, age and gender paired to 47 healthy volunteers.
Paula Ricci Arantes, Heloise Helena Gobato, Bárbara Bordegatto Davoglio, Maria Ângela Maramaldo Barreiros, André Carvalho Felício, Orlando Graziani Povoas Barsottini, Luiz Augusto Franco de Andrade, Edson Amaro Junior   +7 more
doaj   +1 more source

Cyclo‐P5− Revisited: The Surprisingly Stable Uncoordinated Pentaphospholide Anion

Angewandte Chemie International Edition, EarlyView.
The intriguing cyclo‐P5− anion, which is isolobal to the well‐known cyclopentadienide anion, was characterized for the first time crystallographically in the salts [M([2.2.2]cryptand)][cyclo‐P5] (M = Na, K). The compounds were further characterized by UV/Vis spectroscopy in solution and in the solid state by Raman and 31P MAS NMR spectroscopy ...
Moritz J. Ernst, Andrey Petrov, Mirjam Schröder, Björn Corzilius, Christian Müller   +4 more
wiley   +1 more source

Intracellular labeling and quantification process by magnetic resonance imaging using iron oxide magnetic nanoparticles in rat C6 glioma cell line

Einstein (São Paulo), 2012
OBJECTIVE: To assess intracellular labeling and quantification by magnetic resonance imaging using iron oxide magnetic nanoparticles coated with biocompatible materials in rat C6 glioma cells in vitro.
Javier Bustamante Mamani, Lorena Favaro Pavon, Liza Aya Mabuchi Miyaki, Tatiana Tais Sibov, Fabiana Rossan, Paulo Henrique Silveira, Walter Humberto Zavala Cárdenas, Edson Amaro Junior, Lionel Fernel Gamarra   +8 more
doaj