Mark A. Olson
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Stereoisomeric Effects of Diammoniumcyclohexane Counterions on the Self-Assembly of Amino Acid-Based Surfactants Open
The impact of counterion structure, especially variations in constitutional and stereochemical isomers, on the properties and performance of AABSs remains under-explored. This study investigates how structural variations, particularly the …
Genetic control of Group 3 (K96) capsule synthesis and complement resistance in an extraintestinal pathogenic <i>Escherichia coli</i> ST69 strain Open
Extraintestinal pathogenic Escherichia coli (ExPEC) often produce capsules belonging to Groups 2 or 3, which contribute to invasive disease in humans and other animals. Group 3 capsule loci contain conserved kps genes flanking serotype-spe…
Opposing roles for iron transport systems in gallium tolerance in extraintestinal pathogenic <i>Escherichia coli</i> Open
Gallium is a promising antibacterial candidate because it displaces iron atoms inside bacterial cells but does not undergo redox cycling. It inhibits growth by disrupting essential iron-dependent processes. However, Escherichia coli are na…
View article: From Waste to Wealth: Covalent Organic Frameworks for Gold Detection and Recovery from Secondary Sources
From Waste to Wealth: Covalent Organic Frameworks for Gold Detection and Recovery from Secondary Sources Open
Gold is a precious element, renowned for its diverse applications in catalysis, biomedicine, and electronics, largely due to its remarkable stability and superior conductivity. However, the escalating global demand and intensive mining act…
View article: Maximizing Porosity and Water Sorption in Covalent Organic Frameworks via β‐Ketoenamine Linkages
Maximizing Porosity and Water Sorption in Covalent Organic Frameworks via β‐Ketoenamine Linkages Open
Controlling the crystallinity and porosity of 2D covalent organic frameworks (2D COFs) is crucial for their applications in science and technology. Herein, the construction of 2D COFs, COF‐TP‐ X , is reported using a multicomponent reactio…
Opposing roles for iron transport systems in gallium tolerance in extraintestinal pathogenic <i>Escherichia coli</i> Open
Gallium is a promising antibacterial candidate because it displaces iron atoms inside bacterial cells but does not undergo redox cycling. It inhibits growth by disrupting essential iron-dependent processes. However, Escherichia coli are na…
View article: Triple energy conversion cascade in a densely charged redox active covalent organic actuator
Triple energy conversion cascade in a densely charged redox active covalent organic actuator Open
Development of efficient actuators and understanding of their mechanisms are crucial for progress in areas such as soft robotics and artificial muscles. Here, we report a self-standing film of an ionic covalent organic framework (V2+-TG) c…
View article: Exploring the Impact of Emotional Voice Integration in Sign-to-Speech Translators for Deaf-to-Hearing Communication
Exploring the Impact of Emotional Voice Integration in Sign-to-Speech Translators for Deaf-to-Hearing Communication Open
Emotional voice communication plays a crucial role in effective daily interactions. Deaf and hard-of-hearing (DHH) individuals often rely on facial expressions to supplement sign language to convey emotions, as the use of voice is limited.…
View article: Genes associated with fitness and disease severity in the pan-genome of mastitis-associated Escherichia coli
Genes associated with fitness and disease severity in the pan-genome of mastitis-associated Escherichia coli Open
Introduction Bovine mastitis caused by Escherichia coli compromises animal health and inflicts substantial product losses in dairy farming. It may manifest as subclinical through severe acute disease and can be transient or persistent in n…
View article: Ionic Covalent Organic Framework as a Dual Functional Sensor for Temperature and Humidity (Small 32/2024)
Ionic Covalent Organic Framework as a Dual Functional Sensor for Temperature and Humidity (Small 32/2024) Open
Covalent Organic Frameworks Guanidinium and diformylpyridine units are linked to form a covalent organic framework (COF). The hydrophilic COF responds to humidity and temperature, making it a competitive COF sensor. The incorporation of io…
View article: Enhanced Removal of Ultratrace Levels of Gold from Wastewater Using Sulfur-Rich Covalent Organic Frameworks
Enhanced Removal of Ultratrace Levels of Gold from Wastewater Using Sulfur-Rich Covalent Organic Frameworks Open
In view of the increasing global demand and consumption of gold, there is a growing need and effort to extract gold from alternative sources besides conventional mining, e.g., from water. This drive is mainly due to the potential benefits …
View article: Ionic Covalent Organic Framework as a Dual Functional Sensor for Temperature and Humidity
Ionic Covalent Organic Framework as a Dual Functional Sensor for Temperature and Humidity Open
Visual sensing of humidity and temperature by solids plays an important role in the everyday life and in industrial processes. Due to their hydrophobic nature, most covalent organic framework (COF) sensors often exhibit poor optical respon…
View article: Genes associated with fitness and disease severity in the pan-genome of mastitis-associated <i>Escherichia coli</i>
Genes associated with fitness and disease severity in the pan-genome of mastitis-associated <i>Escherichia coli</i> Open
Bovine mastitis caused by Escherichia coli may manifest as subclinical through severe acute disease and can be transient or persistent in nature. Little is known about bacterial factors that impact clinical outcomes or allow some strains t…
Light-driven self-assembly of spiropyran-functionalized covalent organic framework Open
Controlling the number of molecular switches and their relative positioning within porous materials is critical to their functionality and properties. The proximity of many molecular switches to one another can hinder or completely suppres…
CCDC 2203337: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
Fluorescent Molecular Rotors Based on Hinged Anthracene Carboxyimides Open
Temperature and viscosity are essential parameters in medicine, environmental science, smart materials, and biology. However, few fluorescent sensor publications mention the direct relationship between temperature and viscosity. Three anth…
View article: Contents list
Contents list Open
Permissions Request permissions Contents list Mol. Syst. Des. Eng., 2023, 8, 1225 DOI: 10.1039/D3ME90036C This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other p…
Assembling covalent organic framework membranes via phase switching for ultrafast molecular transport Open
Fabrication of covalent organic framework (COF) membranes for molecular transport has excited highly pragmatic interest as a low energy and cost-effective route for molecular separations. However, currently, most COF membranes are assemble…
View article: Bile Salts Regulate Zinc Uptake and Capsule Synthesis in a Mastitis-Associated Extraintestinal Pathogenic Escherichia coli Strain
Bile Salts Regulate Zinc Uptake and Capsule Synthesis in a Mastitis-Associated Extraintestinal Pathogenic Escherichia coli Strain Open
Extraintestinal pathogenic Escherichia coli (ExPEC) strains are major causes of urinary and bloodstream infections. ExPEC reservoirs are not completely understood.
Viologen–cucurbituril host/guest chemistry – redox control of dimerization <i>versus</i> inclusion Open
Two calix[4]arenes with two viologen units separated by 3 or 4 carbon atoms from the macrocyclic core were synthesized and led to the formation of [3]pseudorotaxanes when combined with CB[7] or CB[8].
View article: A link between zinc uptake, bile salts, and a capsule required for virulence of a mastitis-associated extraintestinal pathogenic <i>Escherichia coli</i> strain
A link between zinc uptake, bile salts, and a capsule required for virulence of a mastitis-associated extraintestinal pathogenic <i>Escherichia coli</i> strain Open
Extraintestinal pathogenic Escherichia coli (ExPEC) are major causes of urinary and bloodstream infections. ExPEC reservoirs are not completely understood. Some mastitis-associated E. coli (MAEC) strains carry genes associated with ExPEC v…
Remarkably efficient removal of toxic bromate from drinking water with a porphyrin–viologen covalent organic framework Open
A cationic COF removes carcinogenic bromate with a remarkable rate constant of 191.45 g mg−1 min−1.
CCDC 1549049: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
Author Correction: Discovery of small molecule inhibitors of MyD88-dependent signaling pathways using a computational screen Open
A correction has been published and is appended to both the HTML and PDF versions of this paper. The error has not been fixed in the paper.
View article: Cover Feature: Assembly and Chiral Memory Effects of Dynamic Macroscopic Supramolecular Helices (Chem. Eur. J. 62/2018)
Cover Feature: Assembly and Chiral Memory Effects of Dynamic Macroscopic Supramolecular Helices (Chem. Eur. J. 62/2018) Open
The translation of molecular-scale chirality into macroscopic helical architectures is an intriguing scientific challenge capable of furthering our insight into the mechanism of biological chiral translation and the development of new mate…
Correction: Covalent organic nanosheets for bioimaging Open
Correction for ‘Covalent organic nanosheets for bioimaging’ by Gobinda Das et al., Chem. Sci., 2018, DOI: 10.1039/c8sc02842g.