Results 91 to 100 of about 281,059 (296)
Arquivos de Gastroenterologia, 2011 CONTEXT: The standard doses of 13C-urea in 13C-urea breath test is 75 mg. OBJECTIVE: To assess the diagnostic accuracy of 13C-urea breath test containing 25 mg of 13C-urea comparing with the standard doses of 75 mg in the diagnosis of Helicobacter pylori
Luiz Gonzaga Vaz Coelho +5 more
doaj +1 more source
Three-Dimensional 13C-13C-Correlated Experiments on Oligosaccharides
Journal of Magnetic Resonance, Series B, 1993 Abstract The use of three-dimensional 1H-detected 13C-13C-correlated experiments is demonstrated for the purpose of assigning all of the ring proton and carbon resonances from a digalactosyl diacylglyceride sample, uniformly 13C-enriched to 15% by microbiological methods. In addition to improving the previously published phase-cycled pulse sequences (
J. Chung +3 more
openaire +1 more source
Role of the Recombination Zone in Organic Light‐Emitting Devices
Advanced Materials, EarlyView.This review summarizes the critical role of the recombination zone in organic light‐emitting diodes (OLEDs). We highlight that broadening the recombination zone in OLEDs based on emissive layers with balanced charge transport and high photoluminescence quantum yields provides a promising route toward achieving both long operational lifetime and high ...
Yungui Li, Karl Leo
wiley +1 more source
Metabolites, 2014 In the present study, we applied nuclear magnetic resonance (NMR), as well as near-infrared (NIR) spectroscopy, to Jatropha curcas to fulfill two objectives: (1) to qualitatively examine the seeds stored at different conditions, and (2) to monitor the ...
Takanori Komatsu +4 more
doaj +1 more source
13C nuclear magnetic resonance spectroscopy (13C NMR) ()
, 2022 dataset for 13C nuclear magnetic resonance spectroscopy (13C NMR) 13C NMR (75.5 MHz, DMSO-d6, ppm) δ = 166.7, 153.9, 153.4, 147.6, 142.6, 141.9, 139.9, 133.7, 133.7, 131.2,131.2, 129.9, 123.3, 113.2, 113.0, 70.3, 25.0, 18 ...
Freiberger, Emma
core +1 more source
Advanced Materials, EarlyView.This review highlights the role of self‐assembled monolayers (SAMs) in perovskite solar cells, covering molecular engineering, multifunctional interface regulation, machine learning (ML) accelerated discovery, advanced device architectures, and pathways toward scalable fabrication and commercialization for high‐efficiency and stable single‐junction and
Asmat Ullah, Ying Luo, Stefaan De Wolf
wiley +1 more source
Journal of Lipid Research, 1999 The amount and distribution of [13C]docosahexaenoic acid (DHA) in plasma, platelet, and erythrocyte lipid classes were followed as a function of time (1 to 72 h) in young adults after ingestion of a single dose of [13C]DHA esterified in a ...
Dominique Lemaitre-Delaunay +5 more
doaj +1 more source
Efficient Parahydrogen Induced 13C Hyperpolarization on a Microfluidic Device
We show the direct production and detection of 13C-hyperpolarized fumarate by parahydrogen-induced polarization (PHIP) in a microfluidic Lab-on-a-Chip (LoC) device and achieve 8.5% 13C polarization.
Marcel, Utz +3 more
core +1 more source
Advanced Materials, EarlyView.Solvent‐mediated reactivity control of Lewis‐paired dopants enables highly efficient, finely tunable, and stable doping of organic semiconductors. The optimally doped semiconductor films exhibit superior thermoelectric performance and doping stability, feature delocalized polarons along structurally ordered polymer backbones, and outperform ...
Sang Beom Kim +5 more
wiley +1 more source
Advanced Materials, EarlyView.The field of polymer thermoelectrics is entering a new era, featuring breakthroughs in addressing the conventional performance disparity between p‐type and n‐type polymers, pioneering doping frontiers, and sophisticated decoupling strategies. This review explores innovations in molecular design and superior stabilities, bridging the gap from ...
Suhao Wang
wiley +1 more source