Results 71 to 80 of about 10,437 (228)

Krawtchouk polynomials, the Lie algebra $\mathfrak{sl}_2$, and Leonard pairs

, 2012
A Leonard pair is a pair of diagonalizable linear transformations of a finite-dimensional vector space, each of which acts in an irreducible tridiagonal fashion on an eigenbasis for the other one. In the present paper we give an elementary but comprehensive account of how the following are related: (i) Krawtchouk polynomials; (ii) finite-dimensional ...
Nomura, Kazumasa, Terwilliger, Paul
openaire   +3 more sources

Community building through play: Development and design of a board game for review in an undergraduate anatomy course

Anatomical Sciences Education, EarlyView.
Abstract Engaging students and fostering interactions can be a challenge in large enrollment, foundational‐level, undergraduate anatomy classes. Despite the active learning environment of the anatomy laboratory, students often struggle to find study partners or even speak to fellow learners in a large classroom.
Kristin Stover, Vanessa Kruk, Jenna Kuczek   +2 more
wiley   +1 more source

Hidden O‐Deglycosylation Activity Triggers O → C Rearrangement for Aryl Di‐C‐Glucoside Formation by the C‐Glycosyltransferase From Fortunella crassifolia

Biotechnology and Bioengineering, EarlyView.
Here, we uncovered an unexpected O‐deglycosylation activity of the C glycosyltransferase (FcCGT), forming phloretin (1) from phloretin 2'‐O‐glucoside (2). In the presence of UDP, FcCGT catalyzes the O→C rearrangement to yield nothofagin (3). Upon additional UDP‐glucose, further C‐glycosylation occurs, forming phloretin 3',5'‐di‐C‐glucoside (4 ...
Tuo Li, Annika J. E. Borg, Leo Krammer, Rolf Breinbauer, Bernd Nidetzky   +4 more
wiley   +1 more source

The ageing holobiont: crosstalk between telomere dynamics, oxidative stress and the gut microbiome

Biological Reviews, EarlyView.
ABSTRACT The gut tissue is at the frontline of early onset of ageing. It exhibits high cell turnover rates and rapid telomere shortening, which can have systemic effects on the developing or senescing organism. We conducted a literature review of studies on the crosstalk between telomere length dynamics, telomerase activity, oxidative stress, and gut ...
Michael L. Pepke, Søren B. Hansen, Morten T. Limborg   +2 more
wiley   +1 more source

SmI2/Sm‐Induced Reductive Silacyclization of Alkene/Diene Derivatives Using Dichlorosilanes or 1,2‐Dichlorodisilanes via Reductive Radical‐Polar Crossover

Chemistry – A European Journal, EarlyView.
A SmI2/Sm‐mediated silacyclization unlocks a concise route to 4–7‐membered silacycles from simple unsaturated substrates and dichlorosilanes/disilanes. The complementary functions of samarium reductants trigger a reductive radical–polar crossover, offering a versatile strategy for constructing multiple Si─C bonds efficiently.
Zhengwei Chen, Daigo Kondo, Tsutomu Mizota, Leo Onishi, Huiying Mu, Koji Miki, Akiya Ogawa, Kouichi Ohe   +7 more
wiley   +1 more source

Metal Nanoparticles on Halloysite Applied in Stereoselective Hydrogenation of Tetrasubstituted Alkenes

Chemistry – A European Journal, EarlyView.
Composite materials based on metal nanoparticles supported on a naturally occurring nanotubular clay, halloysite (HAL), led to the diastereoselective hydrogenation of tetra‐substituted alkenes under relatively smooth conditions, mainly oxazolidinone‐based heterocycles.
Rosa Pich, Gabriel Domínguez, Leo Westrey, Pierre Lavedan, Sonia Mallet‐Ladeira, Jérôme Esvan, Jean‐François Lahitte, Jean‐Christophe Remigy, Daniel Pla, Montserrat Gómez   +9 more
wiley   +1 more source

Anisotropy Factor Spectra for Weakly Allowed Electronic Transitions in Chiral Ketones

ChemPhysChem, Volume 26, Issue 6, March 15, 2025.
Anisotropy factor spectra for the weak n→π*‐type A‐band of chiral ketones cannot be described within the Franck–Condon approximation. Thus, we present such spectra computed by accounting for Herzberg–Teller corrections and compare them to experiments for fenchone, camphor and 3MCP to describe chiroptical properties of these molecules in the mid to near
Leon A. Kerber, Oliver Kreuz, Tom Ring, Hendrike Braun, Robert Berger, Daniel M. Reich   +5 more
wiley   +1 more source

Measurable residual disease by multicolor flow cytometry in acute myeloid leukemia: A comparison of peripheral blood and bone marrow

Cytometry Part B: Clinical Cytometry, EarlyView.
Abstract Measurable residual disease (MRD) monitoring by multiparameter flow cytometry (MFC) is well established in bone marrow (BM) samples for acute myeloid leukemia (AML), but its use in peripheral blood (PB) remains less developed. We adapted a semi‐automated and well validated MFC‐MRD assay, originally developed for BM, to PB aiming to evaluate ...
Jonas Schadt, Malte von Bonin, Uta Oelschlägel, Christoph Röllig, Christian Thiede, Leo Ruhnke, Martin Bornhäuser, Sebastian Brenner, Maximilian Alexander Röhnert   +8 more
wiley   +1 more source

A characterization of Leonard pairs using the parameters $\{a_i\}_{i=0}^{d}$

Linear Algebra and its Applications, 2012
21 pages.
openaire   +2 more sources

Mechanical property variation mechanisms of granite subjected to real‐time high temperatures and subsequent cooling treatment

Deep Underground Science and Engineering, EarlyView.
This study investigates the coupled thermo‐mechanical behavior of granite during heating and cooling through a combination of laboratory tests and finite element analysis. The thermal conductivity, mineral composition, mass loss rate, micro‐crack observation, and thermal fracture characteristics of granite under various temperature conditions are ...
Rui Pang, Dehao Meng, Thomas Frühwirt, Hao Liu, Yanan Zhao, Qingyou Zhu, Wengang Dang, Mohamed Ismael, Fei Wang   +8 more
wiley   +1 more source