Results 21 to 30 of about 228,653 (260)

Orientable and Negative Orientable Sequences

open access: yesDiscrete Applied Mathematics
Analogously to de Bruijn sequences, orientable sequences have application in automatic position-location applications and, until recently, studies of these sequences focused on the binary case. In recent work by Alhakim et al., a range of methods of construction were described for orientable sequences over arbitrary finite alphabets; some of these ...
Chris J. Mitchell, Peter R. Wild
openaire   +3 more sources

The Kaʿba Orientations

open access: yesAmerican Journal of Islam and Society, 2020
The Kaʿba has central role in Islamic culture. It orients Muslims both physically and perceptually in their daily lives and worship. Recognising its obscurity in extant scholarship on Islamic art and architecture, Simon O'Meara seeks to understand how ...
Yahya Nurgat
doaj   +1 more source

Structural insights and therapeutic targets in Acinetobacter baumannii capsule biosynthesis

open access: yesFEBS Letters, EarlyView.
Hypervirulent KL49 A. baumannii's capsular polysaccharide contains the nonulosonic acid 8‐epi‐Leg5,7Ac2, synthesized by epimerization via ElaA, ElaB, and ElaC. Crystal structures of ElaA, ElaB, and ElaC reveal their role in CMP‐Leg5,7Ac2 synthesis and regioselective C8 epimerization.
Woo Cheol Lee   +7 more
wiley   +1 more source

Orientation

open access: yesCurationis, 1985
Oriëntasie van ’n nuwe werknemer is noodsaaklik om angs te verlig en om horn/ haar van die inligting wat nodig is vir bevredigende werksverrigting te voorsien. Orientasieprogramme moet aangepas word by die spesifieke behoeftes van elke nuwe werknemer. Daar kan onderskei word tussen makro- en mikro-oriëntasie.
openaire   +4 more sources

Completing orientations of partially oriented graphs [PDF]

open access: yesJournal of Graph Theory, 2017
AbstractWe initiate a general study of what we call orientation completion problems. For a fixed class of oriented graphs, the orientation completion problem asks whether a given partially oriented graph P can be completed to an oriented graph in by orienting the (nonoriented) edges in P.
Jørgen Bang-Jensen   +2 more
openaire   +3 more sources

Conserved binding mode but diverse interfaces of MreC‐PBP2 interactions

open access: yesFEBS Letters, EarlyView.
The crystal structure of abMreC reveals a conserved two β‐barrel architecture and provides structural insights into its role within the bacterial elongasome. The abMreC–abPBP2 complex model identifies the molecular basis of MreC‐mediated PBP2 recognition, contributing to the regulation of peptidoglycan synthesis.
Hyunseok Jang   +4 more
wiley   +1 more source

How do orientations matter in early childhood education? Children, choices and gendering processes

open access: yesJournal of Early Childhood Education Research
This paper explores children’s “own” choices in relation to gendering in ECE. Specifically, it problematizes what is often referred to as children’s “own” choices within child-centred pedagogies and emphasises how children’s choices are effects of ...
Anna Günther-Hanssen
doaj   +1 more source

Structure‐forward targeting of claudins with synthetic binders

open access: yesFEBS Letters, EarlyView.
Claudins form the paracellular barriers between epithelial and endothelial tissues at tight junctions and are targets for molecular binders with the goal of modulating barrier permeability. Claudin‐binding molecules are relevant in drug delivery or in altering claudin interactions with disease‐causing proteins.
Alex J. Vecchio
wiley   +1 more source

Engineering peptides into antibodies—opportunities and strategies for therapeutic innovation

open access: yesFEBS Letters, EarlyView.
Peptides and antibodies occupy complementary therapeutic niches. Peptides recognize difficult targets in a compact format, while antibodies add specificity, long half‐life, and effector functions. This review examines strategies that merge both modalities—peptide grafting into loops, terminal and Fc fusions, and bioconjugation—highlighting how ...
Jinling Wang   +2 more
wiley   +1 more source

On the oriented chromatic index of oriented graphs [PDF]

open access: yesJournal of Graph Theory, 2007
AbstractA homomorphism from an oriented graph G to an oriented graph H is a mapping $\varphi$ from the set of vertices of G to the set of vertices of H such that $\buildrel {\longrightarrow}\over {\varphi (u) \varphi (v)}$ is an arc in H whenever $\buildrel {\longrightarrow}\over {uv}$ is an arc in G. The oriented chromatic index of an oriented graph G
Pascal Ochem   +2 more
openaire   +3 more sources

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