ZSM-5 is a widely used zeolite catalyst and is employed industrially for the methanol to gasoline (MTG) process. Even so, deactivation of ZSM-5 by coke formation constitutes a major technical and also fundamental challenge. ...

The identification and quantification of defects are undoubtedly thorough challenges in the characterization of “defect-engineered” metal–organic frameworks (MOFs). UiO-66, known for its exceptional stability and defect ...

The relatively short lifetime of unidimensional 10-ring zeolite catalysts in the methanol to hydrocarbons reaction is improved by a factor of ~20 by introducing mesoporosity in the zeolites via sequential desilication and ...

In this article, we present a black-box approach for the selection of orbital spaces when computing core excitation energies in the multilevel coupled cluster (MLCC) framework. Information available from the lower level ...

Cyclic volatile methyl siloxanes (cVMS) are emitted to aquatic environments with wastewater effluents. Here, we evaluate the environmental behavior of three cVMS compounds (octamethylcyclotetrasiloxane (D4), decamethylcy ...

Oxyhydrides, in which oxide and hydride anions share the same anionic lattice, are relatively rare compounds. La2LiHO3 belongs to this family. We report the synthesis of La2LiHO3 by means of an alkali halide flux method, ...

Rare earth double perovskites comprise a class of functional oxides with interesting physiochemical properties both for low- and high-temperature applications. However, little can be found relating electrical properties ...

Luminescent materials have become an integral part of our society, being for instance used to light up our buildings and electronic displays. The process of absorbing ultra-violet light and converting it to visible or near ...

Laboratory experiments were carried out to study Schiff-base condensation reactions between amines and formaldehyde that occur on inlet lines of emission monitoring instruments. Primary amines and formaldehyde were found ...

Water uptake by black carbon (BC)-containing aerosol was quantified in North American wildfire plumes of varying age (1 to ~40 h old) sampled during the SEAC4RS mission (2013). A Humidified Dual SP2 (HD-SP2) is used to ...

Cholera is a life-threatening disease in many countries, and new drugs are clearly needed. C-glycosidic antagonists may serve such a purpose. Here we report atomic-resolution crystal structures of three such compounds in ...

In the present contribution we assess the luminescent properties of amorphous europium titanium phosphate thin films. The films have been deposited by atomic layer deposition, using the precursor combinations Eu(thd)3 (thd ...

With the aim of making specific targeting of silver nanoparticles as a drug for tumor cells and developing new anticancer agents, a novel nano-composite was developed. Albumin coated silver nanoparticles (ASNPs) were ...

[trans-Cu(μ-OH)(μ-dmpz)]6 (1) exhibits six Cu(II) centers effectively coupled through a ligand mediated mechanism leading to a diamagnetic ground state over a wide temperature range. Here we investigate further magneto-structural ...

In this master project, bimetallic nanoparticles with nominal composition Pt1-xPdx NPs (0 ≤ x ≤ 1) have been synthesized via a polyol method. PVP was used as the stabilizer/capping agent, Pt(acac)2 and Pd(acac)2 as metal ...

The aim of this work has been the photoelectrochemical (PEC) study of nanostructured photoanodes based on TiO2. Highly ordered and well adhered TiO2 nanotubes (TNTs) of different lengths (∼2–20 μm) were prepared in a ...

Magnetic and spectroscopic properties of a number of formally antiaromatic carbaporphyrins, carbathiaporphyrins and isophlorins with 4n π electrons have been investigated at density functional theory and ab initio levels ...

The thermal responsive behavior of adsorbed layers of diblock copolymers of poly(N-isopropylacrylamide) (PNIPAAM) and poly((3-acrylamidopropyl)trimethylammonium chloride) (PAMPTMA(+)) with γ-cyclodextrin (γ-CD) at the ...

Around three decades ago, environmental chemists developed a new technique to identify pollutants present in complex environmental mixtures: effect-directed analysis (EDA). EDA uses chemical tools (for the extraction, ...

Abstract The use of active pharmaceutical ingredients (APIs) is increasing continuously and thereby constitutes a potential source of surface water contamination. Environmental concentrations of APIs are usually at trace ...

The use of technology in education (so-called e-learning) has seen a rapid development over the last decades. From being small systems that might assist lectures it has developed into systems that could potentially replace ...

This PhD thesis deeply analyzes the mechanistic and kinetic behavior of methanol and dimethyl ether (DME) in the industrially relevant Methanol-To-Hydrocarbons (MTH) reaction, which employs zeolitic materials as catalysts. ...

Amine-based CO2 capture has been suggested as a way to mitigate global warming. This project aims to improve the understanding of the atmospheric photo-oxidation of two of the simplest imines by OH radicals. Laboratory ...

We present RP-HPLC methods for the determination of the distribution coefficient at pH 7.4, as log D, and plasma protein binding. Although there are several methods available to determine distribution coefficient (log D) ...

Exosomes represent a distinct class of extracellular vesicles of endocytic origin secreted by multiple cell types, including tumour cells. An increased release of exosomes, which appears to be a rich source of biomarkers, ...

Two distinguishable plasma modes in the O2–N2 radio frequency capacitively coupled plasma (CCP) used in remote plasma-enhanced atomic layer deposition (PEALD) were observed. Optical emission spectroscopy and spectra ...

Cu-exchanged zeolites possess active sites that are able to cleave the C–H bond of methane at temperatures ≤200 °C, enabling its selective partial oxidation to methanol. Herein we explore this process over Cu-SSZ-13 ...

Biological samples consist of an unknown, but large, number of regulated metabolites. It is of great interest scientifically and clinically to determine the composition and dynamics of this “metabolome”. Metabolomics is ...

The major virulence factor of enterotoxigenic Escherichia coli is the heat-labile enterotoxin (LT), an AB5 toxin closely related to the cholera toxin. LT consists of six subunits, the catalytically active A-subunit and ...

The influence of annealing on the microstructure and electrical properties of undoped polycrystalline ZnSb samples has been investigated by different experimental techniques. In situ XRD in an argon at- mosphere showed ...

Catalyst deactivation during the methanol-to-hydrocarbons (MTH) reaction was investigated using five different commercially prepared microporous catalysts, including Mordenite, ZSM-22, ZSM-5, zeolite Beta and SAPO-34. The ...

This thesis summarizes atomic layer deposition (ALD) of thin films of a set of alkali metal niobates and tantalates with technologically important physical properties. ALD of LiNbO3 is presented first, where we showcase ...

Pre-combustion CO2 capture technologies are becoming viable alternatives to more conventional post-combustion capture by gas emissions scrubbing. The sorbent enhanced water-gas shift (SEWGS) process is a promising future ...

Cereal crops (such as oats, wheat, barley, rye, corn etc.) are often contaminated with toxigenic fungi during field or storage conditions, which can consequently lead to food and feed contamination with mycotoxins and to ...

Nanoparticulate systems with an uncharged hydrophilic surface may have a great potential in mucosal drug delivery. In the present study liposomes were coated with hydrophobically modified hydroxyethyl cellulose (HM-HEC) ...

A rugged and high throughput capillary column (cLC) LC-MS switching platform using large volume injection and on-line automatic filtration and filter back-flush (AFFL) solid phase extraction (SPE) for analysis of environmental ...

The definiteness of the Mulliken and Dirac electron repulsion integral (ERI) matrices is examined for different classes of resolution-of-the-identity (RI) ERI approximations with particular focus on local fitting techniques. ...

The Au(III) complex Au(tpy)(OAcF)2 (OAcF = OCOCF3; tpy = 2-(p-tolyl)pyridine) catalyzes the anti addition of trifluoroacetic acid (HOAcF) to acetylene to furnish vinyl trifluoroacetate. The Au(III) vinyl complex ...

The aim of this paper was to perform a comprehensive characterization of polysaccharides isolated from the interior (IOI) and exterior (IOE) parts of the fungus Inonotus obliquus. Pre-extraction with DCM and MeOH, followed ...

Li2FeSiO4 is an important alternative cathode for next generation Li-ion batteries due to its high theoretical capacity (330 mA h g−1). However, its development has faced significant challenges arising from structural ...

Research communities have been studying materials with intermediate bands (IBs) in the middle of the band gap to produce efficient solar cells. Cells based on these materials could reach theoretical efficiencies up to ...

The title compound, {[MgPtCl2(C12H6N2O4)(C3H7NO)2(H2O)] C3H7NO}n, is a one-dimensional coordination polymer. The structure consists of Pt-functionalized bipyridine ligands connected by MgII cations, as well as coordinating ...

Sodium orthosilicates Na2MSiO4 (M = Mn, Fe, Co and Ni) have attracted much attention due to the possibility of exchanging two electrons per formula unit. They are also found to exhibit great structural stability due to a ...

Immunotherapy is a growing field in cancer research. A privileged tumor-associated antigen that has received much attention is N-glycolyl (NeuGc) GM3. This ganglioside is present in several types of cancer, but is almost ...

The electrical properties and the charge carrier mechanism of porous 8 mol% yttria-stabilized zirconia (8YSZ) ceramic samples have been investigated over wide ranges of relative humidity (RH) and temperature (25-400 ºC). ...

UV to visible and near-infrared converting thin films of YbVO4 have been deposited by atomic layer deposition, using the precursor combinations Yb(thd)3 (thd = 2,2,6,6-tetramethyl-3,5-heptanedione) and O3, and VO(thd)2 and ...

We demonstrate controlled deposition by atomic layer deposition of YVO4:Yb3+ thin films exhibiting an intense NIR emission under UV excitation after post-deposition annealing at 1000 °C. The samples are deposited using the ...

A rapid, sensitive and reliable method was developed for the determination of a broad range of poly- and perfluoroalkyl substances (PFASs) in various blood matrices (serum, plasma, and whole blood), and uses only 50 μL of ...

We study the effects of magnetic fields in the context of magnetic field density-functional theory (BDFT), where the energy is a functional of the electron density ρ and the magnetic field B. We show that this approach is ...

Forsvarlig bruk av litiumionbatterier krever innsikt og kunnskap om batterienes spesielle egenskaper. Tradisjonelt har man antatt at rask varmeutvikling korresponderer med verste fysiske reaksjon (ventilering, brann, ...

An important function of fungal lectins is to protect their host. Marasmius oreades agglutinin (MOA) is toxic to nematodes and exerts its protective effect through protease activity. Its proteolytic function is associated ...

In this communication, we report the synthesis and characterization of a library of small molecule antagonists of the human gonadotropin releasing hormone receptor based upon the 2-(4-tert-butylphenyl)-4-piperazinyl-benzimidazole ...

Magnetizabilities and magnetically induced ring-current strength susceptibilities have been calculated at the Hartree–Fock, density functional theory and second order Møller–Plesset levels for a number of antiaromatic ...

Planar metal-supported cell designs provide cost-effective scaling-up of solid oxide fuel cells and electrolysers. Here, we report on the fabrication of a BaZr0.85Y0.15O3−δ–NiO (BZY15–NiO) composite electrode and ...

We have studied the structural behavior of SAPO-37 during calcination using simultaneous in situ powder X-ray diffraction (PXRD) and mass spectroscopy (MS) in addition to ex situ thermogravimetric analysis (TGA) and ...

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Magnetically induced ring-current strength susceptibilities and nucleus independent chemical shifts (NICS) have been studied for 15 single-ring aromatic, antiaromatic, and nonaromatic molecules. The current densities have ...

This study assesses spatial and temporal variation in environmental variables in relation to phytoplankton community size and composition in a typically eutrophic river reservoir (Hai River, northern China). The aim is to ...

Waterlogged archaeological wood is often in need of consolidation prior to drying to prevent shrinkage and cracking of the object. There is a need for new greener materials (than for example polyethylene glycol) and methods ...

La0.6Sr0.4Co0.2Fe0.8O3 − δ (LSCF), La2NiO4 + δ (LNO), La0.87Sr0.13CrO4 (LSC), La0.8Sr0.2MnO3 − δ (LSM) and Ba0.5Sr0.5Co0.8Fe0.2O3 − δ (BSCF) composite anodes deposited on proton-conducting BaCe0.2Zr0.7Y0.1O3 − δ (BCZY27) ...

Chorismate mutase is a well‐known model enzyme, catalyzing the Claisen rearrangement of chorismate to prephenate. Recent high‐resolution crystal structures along the reaction coordinate of this enzyme enabled computational ...

Organic–inorganic hybrid materials are an emerging class of materials suitable for deposition by the molecular layer deposition (MLD) technique. Their toolbox is now expanded to include linkers of amino acids, which when ...

The implementation of targeted and nontargeted chemical screening analysis in combination with in vitro and organism-level bioassays is a prerequisite for a more holistic monitoring of water quality in the future. For ...

The paper analyzes the role of information–knowledge for making farming environmentally friendly, using eutrophication of the main drinking water reservoir of Tianjin, China as a case. The analysis considers information ...

Resistance to chemotherapy and/or radiotherapy limits the effectiveness of cancer treatment. One factor that can contribute to resistance is the process of DNA repair. Among the different DNA repair pathways, the base ...

Oxidation state (OS) is defined using ionic approximation of bonds. Two principal algorithms are outlined for OS determination in a chemical compound described by a Lewis formula or bond graph. Typical origins of ambiguous ...

In miniaturized liquid chromatography (LC) an online clean up system and/or pre-concentration step, is essential to increase large loading capacity, loading speed could be used so the analysis is faster, and it is more ...

Cholera is the prime example of blood-group-dependent diseases, with individuals of blood group O experiencing the most severe symptoms. The cholera toxin is the main suspect to cause this relationship. We report the ...

The cytochrome P450 enzyme, CYP27a1, converts cholesterol into 27-hydroxycholesterol, and both the metabolite and the enzyme are associated with breast cancer, promoting proliferation and metastasis. CYP27A1 is enriched ...

The main topics of this thesis are the surface kinetics and bulk diffusion of oxygen in Ba(1-x)Gd0.8La(0.2+x)Co2O(6-d) (BGLC). Previous work has identified BGLC as very promising electrode material for SOFC’s and electrolyzers. ...

Lakes and rivers are the main sources of drinking water in Nordic countries. For aesthetic and hygienic reasons high concentration levels of dissolved natural organic matter (DNOM) are not acceptable in drinking water. An ...

The structure, thickness and characteristics of liquid chromatography (LC) column materials are central factors regarding their performance. However, miniaturized capillaries (sub 20.0 μm inner diameter, typically used for ...

Liquid chromatography-mass spectrometry (LC-MS) approaches for measurement of biomarkers are increasing in popularity due to the selectivity and sensitivity. To match the detection limits of the immunoassay approaches (such ...

The neuropeptide oxytocin (OT) is associated with a plethora of social behaviors, and is a key topic at the intersection of psychology and biology. However, tools for measuring OT are still not fully developed. We describe ...

Elevated concentrations of various industrial-use persistent organic pollutants (POPs), such as polychlorinated biphenyls (PCBs), have been reported in some developing areas in sub-tropical and tropical regions known to ...

3'-Phosphoadenosine-5'-phosphosulfate (PAPS) is the universal donor of sulfate to sulfotransferases, a large group of enzymes that transfer sulfate to various molecules in the sulfation pathway. Methods that have been ...