abstr stringlengths 5 68.5k | title stringlengths 7 794 | journal stringlengths 2 221 | field stringlengths 2 19 | label_journal int64 0 2.73k | label_field int64 0 75 |
|---|---|---|---|---|---|
Although numerous studies on oxide catalysts for an efficient oxygen evolution reaction have been carried out to compare their catalytic performance and suggest new compositions, two significant constraints have been overlooked. One is the difference in electronic conduction behavior between catalysts (metallic versus ... | Elucidating intrinsic contribution of d-orbital states to oxygen evolution electrocatalysis in oxides. | Nature communications | biology | 1,917 | 9 |
The advent of free-electron laser (FEL) sources delivering two synchronized pulses of different wavelengths (or colours) has made available a whole range of novel pump-probe experiments. This communication describes a major step forward using a new configuration of the FERMI FEL-seeded source to deliver two pulses with... | Widely tunable two-colour seeded free-electron laser source for resonant-pump resonant-probe magnetic scattering. | Nature communications | biology | 1,917 | 9 |
Despite the success of checkpoint blockade in some cancer patients, there is an unmet need to improve outcomes. Targeting alternative pathways, such as costimulatory molecules (e.g. OX40, GITR, and 4-1BB), can enhance T cell immunity in tumor-bearing hosts. Here we describe the results from a phase Ib clinical trial (N... | Neoadjuvant anti-OX40 (MEDI6469) therapy in patients with head and neck squamous cell carcinoma activates and expands antigen-specific tumor-infiltrating T cells. | Nature communications | biology | 1,917 | 9 |
Friction and wear reduction by diamond-like carbon (DLC) in automotive applications can be affected by zinc-dialkyldithiophosphate (ZDDP), which is widely used in engine oils. Our experiments show that DLC's tribological behaviour in ZDDP-additivated oils can be optimised by tailoring its stiffness, surface nano-topogr... | Interplay of mechanics and chemistry governs wear of diamond-like carbon coatings interacting with ZDDP-additivated lubricants. | Nature communications | biology | 1,917 | 9 |
For kesterite copper zinc tin sulfide/selenide (CZTSSe) solar cells to enter the market, in addition to efficiency improvements, the technological capability to produce flexible and large-area modules with homogeneous properties is necessary. Here, we report a greater than 10% efficiency for a cell area of approximatel... | Flexible Cu2ZnSn(S,Se)4 solar cells with over 10% efficiency and methods of enlarging the cell area. | Nature communications | biology | 1,917 | 9 |
Atoms interact with each other through the electromagnetic field, creating collective states that can radiate faster or slower than a single atom, i.e., super- and sub-radiance. When the field is confined to one dimension it enables infinite-range atom-atom interactions. Here we present the first report of infinite-ran... | Super-radiance reveals infinite-range dipole interactions through a nanofiber. | Nature communications | biology | 1,917 | 9 |
Variations in N-acylethanolamines (NAE) levels are associated with obesity and metabolic comorbidities. Their role in the gut remains unclear. Therefore, we generated a mouse model of inducible intestinal epithelial cell (IEC)-specific deletion of N-acylphosphatidylethanolamine phospholipase D (NAPE-PLD), a key enzyme ... | Intestinal epithelial N-acylphosphatidylethanolamine phospholipase D links dietary fat to metabolic adaptations in obesity and steatosis. | Nature communications | biology | 1,917 | 9 |
The self-powered and ultra-broadband photodetectors based on photothermoelectric (PTE) effect are promising for diverse applications such as sensing, environmental monitoring, night vision and astronomy. The sensitivity of PTE photodetectors is determined by the Seebeck coefficient and the rising temperature under illu... | Phonon-enhanced photothermoelectric effect in SrTiO3 ultra-broadband photodetector. | Nature communications | biology | 1,917 | 9 |
Extended-coordination sphere interactions between dissolved metals and other ions, including electrolyte cations, are not known to perturb the electrochemical behavior of metal cations in water. Herein, we report the stabilization of higher-oxidation-state Np dioxocations in aqueous chloride solutions by hydrophobic te... | Ion association with tetra-n-alkylammonium cations stabilizes higher-oxidation-state neptunium dioxocations. | Nature communications | biology | 1,917 | 9 |
Increased extracellular Ca 2+ concentrations ([Ca 2+ ] ex ) trigger activation of the NLRP3 inflammasome in monocytes through calcium-sensing receptor (CaSR). To prevent extraosseous calcification in vivo, the serum protein fetuin-A stabilizes calcium and phosphate into 70-100 nm-sized colloidal calciprotein particles ... | Calcium-sensing receptor-mediated NLRP3 inflammasome response to calciprotein particles drives inflammation in rheumatoid arthritis. | Nature communications | biology | 1,917 | 9 |
Quantum magnets provide the simplest example of strongly interacting quantum matter, yet they continue to resist a comprehensive understanding above one spatial dimension. We explore a promising framework in two dimensions, the Dirac spin liquid (DSL) - quantum electrodynamics (QED 3 ) with 4 Dirac fermions coupled to ... | Unifying description of competing orders in two-dimensional quantum magnets. | Nature communications | biology | 1,917 | 9 |
The intermediate-band solar cell (IBSC) with quantum dots and a bulk semiconductor matrix has potential for high power conversion efficiency, exceeding the Shockley-Queisser limit. However, the IBSCs reported to date have been fabricated only by dry process and their efficiencies are limited, because their photo-absorp... | Solution-processed intermediate-band solar cells with lead sulfide quantum dots and lead halide perovskites. | Nature communications | biology | 1,917 | 9 |
Hepatic de novo lipogenesis (DNL) converts carbohydrates into triglycerides and is known to influence systemic lipid homoeostasis. Here, we demonstrate that the zinc finger protein Zbtb20 is required for DNL. Mice lacking Zbtb20 in the liver exhibit hypolipidemia and reduced levels of liver triglycerides, along with im... | Regulation of hepatic lipogenesis by the zinc finger protein Zbtb20. | Nature communications | biology | 1,917 | 9 |
Beneficial modulation of the gut microbiome has high-impact implications not only in humans, but also in livestock that sustain our current societal needs. In this context, we have tailored an acetylated galactoglucomannan (AcGGM) fibre to match unique enzymatic capabilities of Roseburia and Faecalibacterium species, b... | Microbiota-directed fibre activates both targeted and secondary metabolic shifts in the distal gut. | Nature communications | biology | 1,917 | 9 |
Alpha-galactosidase (α-Gal) is an enzyme responsible for the hydrolyzation of glycolipids and glycoprotein commonly found in dietary sources. More than 20% of the general population suffers from abdominal pain or discomfort caused by intestinal gas and by indigested or partially digested food residuals. Therefore, α-Ga... | Intra-Laboratory Validation of Alpha-Galactosidase Activity Measurement in Dietary Supplements. | Molecules (Basel, Switzerland) | chemistry | 1,874 | 13 |
Photocages have been successfully applied in cellular signaling studies for the controlled release of metabolites with high spatio-temporal resolution. Commonly, coumarin photocages are activated by UV light and the quantum yields of uncaging are relatively low, which can limit their applications in vivo. Here, synthes... | Thiocoumarin Caged Nucleotides: Synthetic Access and Their Photophysical Properties. | Molecules (Basel, Switzerland) | chemistry | 1,874 | 13 |
This paper experimentally investigates the influence of carbon nanotubes (CNTs) on phase composition, microstructure deterioration, thermal behavior, and residual mechanical strengths of cementitious composites exposed to elevated temperatures. Cement mortars with small dosages of CNTs, 0.05% and 0.2% by weight of ceme... | Influence of Carbon Nanotubes on Phase Composition, Thermal and Post-Heating Behavior of Cementitious Composites. | Molecules (Basel, Switzerland) | chemistry | 1,874 | 13 |
Polyethylene glycol (PEG) particles were prepared using low-temperature supercritical assisted atomization (LTSAA) with carbon dioxide as the spraying medium or the co-solute and acetone as the solvent. The effects of several key factors on the particle size were investigated. These factors included the concentration o... | Formation of Polyethylene Glycol Particles Using a Low-Temperature Supercritical Assisted Atomization Process. | Molecules (Basel, Switzerland) | chemistry | 1,874 | 13 |
A catalytic enantioselective addition reaction of alkylzirconium species to aromatic aldehydes is reported. The reaction, facilitated by a chiral nonracemic diol ligand complex with Ti(O i Pr)₄, proceeds under mild and convenient conditions, and no premade organometallic reagents are required since the alkylzirconium n... | Catalytic Enantioselective Addition of Organozirconium Reagents to Aldehydes. | Molecules (Basel, Switzerland) | chemistry | 1,874 | 13 |
Two aggregation-induced emission (AIE) macrocycles ( DMP[5]-TPE and PCP[5]-TPE ) were prepared by embedding Tetraphenylethene (TPE) unit into the skeletons of Dimethoxypillar[5]arene (DMP[5]) and [15]Paracyclophane ([15]PCP) at meso position, respectively. In crystal, the PCP[5]-TPE showed a distorted cavity, and the i... | Tetraphenylethene-Embedded Pillar[5]arene and [15]Paracyclophane: Distorted Cavities and Host-Guest Binding Properties. | Molecules (Basel, Switzerland) | chemistry | 1,874 | 13 |
Two new acylphloroglucinol derivatives, 13,14-didehydroxygarcicowin C ( 1 ) and 13,14-didehydroxyisoxanthochymol ( 2 ), have been isolated from the stems of Garcinia multiflora , together with seven known compounds ( 3 ⁻ 9 ). The structures of new compounds 1 and 2 were elucidated by MS and extensive 1D/2D NMR spectros... | Acylphloroglucinol Derivatives from Garcinia multiflora with Anti-Inflammatory Effect in LPS-Induced RAW264.7 Macrophages. | Molecules (Basel, Switzerland) | chemistry | 1,874 | 13 |
The precise description of solute-water interactions is essential to understand the chemo-physical nature in hydration processes. Such a hydration thermodynamics for various solutes has been explored by means of explicit or implicit solvation methods. Using the Poisson-Boltzmann solvation model, the implicit models are... | Hydration Thermodynamics of Non-Polar Aromatic Hydrocarbons: Comparison of Implicit and Explicit Solvation Models. | Molecules (Basel, Switzerland) | chemistry | 1,874 | 13 |
A new direct method for β-selective glycosylation with an N -acetylglucosamine (GlcNAc) donor was developed. This substrate, which can be readily prepared from commercially available GlcNAc in two steps, contains a 4- O - tert -butyldimethylsilyl (TBDMS) protecting group as a key component. We found that this functiona... | A Direct Method for β-Selective Glycosylation with an N-Acetylglucosamine Donor Armed by a 4-O-TBDMS Protecting Group. | Molecules (Basel, Switzerland) | chemistry | 1,874 | 13 |
This research assessed the molecular mechanism of procyanidins (PCs) against neurotoxin 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) and its metabolite 1-methyl-4-phenylpyridinium (MPP + ) induced Parkinson's disease (PD) models. In vitro, PC12 cells were incubated with PCs or deprenyl for 24 h, and then exposed... | Protective Effects and Mechanisms of Procyanidins on Parkinson's Disease In Vivo and In Vitro. | Molecules (Basel, Switzerland) | chemistry | 1,874 | 13 |
In this study, a novel dual-emission ratiometric fluorescent nanoprobe (RFN) was synthesized and ultilized for highly sensitive determination of mercury ions. In this nanoprobe, fluorescein isothiocyanate (FITC) doped silica (SiO 2 ) served as a reference signal, FITC-SiO 2 microspheres were synthesized and modified wi... | Ratiometric Fluorescent Nanoprobe for Highly Sensitive Determination of Mercury Ions. | Molecules (Basel, Switzerland) | chemistry | 1,874 | 13 |
Nowadays, much attention is paid to issues such as ecology and sustainability. Many consumers choose "green cosmetics", which are environmentally friendly creams, makeup, and beauty products, hoping that they are not harmful to health and reduce pollution. Moreover, the repeated mini-lock downs during the COVID-19 pand... | The New Challenge of Green Cosmetics: Natural Food Ingredients for Cosmetic Formulations. | Molecules (Basel, Switzerland) | chemistry | 1,874 | 13 |
Fungi can synthesize a wealth of secondary metabolites, which are widely used in the exploration of lead compounds of pharmaceutical or agricultural importance. Beauveria , Metarhizium , and Cordyceps are the most extensively studied fungi in which a large number of biologically active metabolites have been identified.... | Secondary Metabolites of Purpureocilliumlilacinum. | Molecules (Basel, Switzerland) | chemistry | 1,874 | 13 |
The currently available antidepressant agents necessitate the development of newer alternatives because of their serious adverse effects and costs. Traditional medicinal knowledge is likely the key that opens the door to discover new medicines. In Turkish folk medicine, the infusion prepared from aerial parts of Microm... | Assessment of Antidepressant Effect of the Aerial Parts of Micromeria myrtifolia Boiss. & Hohen on Mice. | Molecules (Basel, Switzerland) | chemistry | 1,874 | 13 |
Here, we report the formation of homochiral supramolecular thin film from achiral molecules, by using circularly polarized light (CPL) only as a chiral source, on the condition that irradiation of CPL does not induce a photochemical change of the achiral molecules. Thin films of self-assembled structures consisting of ... | Homochiral Supramolecular Thin Film from Self-Assembly of Achiral Triarylamine Molecules by Circularly Polarized Light. | Molecules (Basel, Switzerland) | chemistry | 1,874 | 13 |
This study evaluated the in vitro antineoplastic and antiviral potential and in vivo toxicity of twelve extracts with different polarity obtained from the herbaceous perennial plant Geum urbanum L. ( Rosaceae ). In vitro cytotoxicity was determined by ISO 10993-5/2009 on bladder cancer, (T-24 and BC-3C), liver carcinom... | In Vitro Antineoplastic and Antiviral Activity and In Vivo Toxicity of Geum urbanum L. Extracts. | Molecules (Basel, Switzerland) | chemistry | 1,874 | 13 |
A series of novel coumarin-based hydroxamate derivatives were designed and synthesized as histone deacetylase inhibitors (HDACis). Selective compounds showed a potent HDAC inhibition with nM IC 50 values, with the best compound ( 10e ) being nearly 90 times more active than vorinostat (SAHA) against HDAC1. Compounds 10... | Design, Synthesis and Biological Evaluation of Novel Coumarin-Based Hydroxamate Derivatives as Histone Deacetylase (Hdac) Inhibitors with Antitumor Activities. | Molecules (Basel, Switzerland) | chemistry | 1,874 | 13 |
Drug transporters mediate the absorption, tissue distribution, and excretion of drugs. The cDNAs of P-glycoprotein, multidrug resistance proteins (MRPs/ABCC), breast cancer resistance protein (BCRP/ABCG2), peptide transporters (PEPTs/SLC15), proton-coupled folate transporters (PCFT/SLC46A1), organic anion transporting ... | Enantioselective Drug Recognition by Drug Transporters. | Molecules (Basel, Switzerland) | chemistry | 1,874 | 13 |
Based on phenotypic screening, the major advantages of phosphorus dendrimers and dendrons as drugs allowed the discovery of new therapeutic applications, for instance, as anti-cancer and anti-tuberculosis agents. These biological activities depend on the nature of the chemical groups (neutral or cationic) on their surf... | First-in-Class Phosphorus Dendritic Framework, a Wide Surface Functional Group Palette Bringing Noteworthy Anti-Cancer and Anti-Tuberculosis Activities: What Lessons to Learn? | Molecules (Basel, Switzerland) | chemistry | 1,874 | 13 |
Cellulase enzymes deconstruct recalcitrant cellulose into soluble sugars, making them a biocatalyst of biotechnological interest for use in the nascent lignocellulosic bioeconomy. Cellobiohydrolases (CBHs) are cellulases capable of liberating many sugar molecules in a processive manner without dissociating from the sub... | The dissociation mechanism of processive cellulases. | Proceedings of the National Academy of Sciences of the United States of America | multi | 2,222 | 45 |
In the noisy cellular environment, gene products are subject to inherent random fluctuations in copy numbers over time. How cells ensure precision in the timing of key intracellular events despite such stochasticity is an intriguing fundamental problem. We formulate event timing as a first-passage time problem, where a... | First-passage time approach to controlling noise in the timing of intracellular events. | Proceedings of the National Academy of Sciences of the United States of America | multi | 2,222 | 45 |
The global health community has earmarked a number of diseases for elimination or eradication, and these goals have often been praised on the premise of long-run cost savings. However, decision makers must contend with a multitude of demands on health budgets in the short or medium term, and costs per case often rise a... | Economic evaluation of disease elimination: An extension to the net-benefit framework and application to human African trypanosomiasis. | Proceedings of the National Academy of Sciences of the United States of America | multi | 2,222 | 45 |
Exposure to parental separation or divorce during childhood has been associated with an increased risk for physical morbidity during adulthood. Here we tested the hypothesis that this association is primarily attributable to separated parents who do not communicate with each other. We also examined whether early exposu... | Offspring of parents who were separated and not speaking to one another have reduced resistance to the common cold as adults. | Proceedings of the National Academy of Sciences of the United States of America | multi | 2,222 | 45 |
Ethics in social science experimentation and data collection are often discussed but rarely articulated in writing as part of research outputs. Although papers typically reference human subjects research approvals from relevant institutional review boards, most recognize that such boards do not carry out comprehensive ... | A call for structured ethics appendices in social science papers. | Proceedings of the National Academy of Sciences of the United States of America | multi | 2,222 | 45 |
Oil and gas wells with compromised integrity are a concern because they can potentially leak hydrocarbons or other fluids into groundwater and/or the atmosphere. Most states in the United States require some form of integrity testing, but few jurisdictions mandate widespread testing and open reporting on a scale inform... | Public data from three US states provide new insights into well integrity. | Proceedings of the National Academy of Sciences of the United States of America | multi | 2,222 | 45 |
Human evolution is widely thought to have involved a particular expansion of prefrontal cortex. This popular notion has recently been challenged, although controversies remain. Here we show that the prefrontal region of both human and nonhuman primates holds about 8% of cortical neurons, with no clear difference across... | No relative expansion of the number of prefrontal neurons in primate and human evolution. | Proceedings of the National Academy of Sciences of the United States of America | multi | 2,222 | 45 |
Resolution of inflammation has emerged as an active process in immunobiology, with cells of the mononuclear phagocyte system being critical in mediating efferocytosis and wound debridement and bridging the gap between innate and adaptive immunity. Here we investigated the roles of cytochrome P450 (CYP)-derived epoxy-ox... | CYP450-derived oxylipins mediate inflammatory resolution. | Proceedings of the National Academy of Sciences of the United States of America | multi | 2,222 | 45 |
The intracellular environment is crowded and heterogeneous. Although the thermodynamic stability of nucleic acid duplexes is predictable in dilute solutions, methods of predicting such stability under specific intracellular conditions are not yet available. We recently showed that the nearest-neighbor model for self-co... | Nearest-neighbor parameters for predicting DNA duplex stability in diverse molecular crowding conditions. | Proceedings of the National Academy of Sciences of the United States of America | multi | 2,222 | 45 |
Lithium-sulfur batteries (Li-S batteries) have attracted intense interest because of their high specific capacity and low cost, although they are still hindered by severe capacity loss upon cycling caused by the soluble lithium polysulfide intermediates. Although many structure innovations at the material and device le... | Ultrathin dendrimer-graphene oxide composite film for stable cycling lithium-sulfur batteries. | Proceedings of the National Academy of Sciences of the United States of America | multi | 2,222 | 45 |
The olfactory system receives extensive serotonergic inputs from the dorsal raphe, a nucleus involved in control of behavior, regulation of mood, and modulation of sensory processing. Although many studies have investigated how serotonin modulates the olfactory bulb, few have focused on the anterior piriform cortex (aP... | Serotonergic afferents from the dorsal raphe decrease the excitability of pyramidal neurons in the anterior piriform cortex. | Proceedings of the National Academy of Sciences of the United States of America | multi | 2,222 | 45 |
Activating mutations in the KIT or PDGFRA receptor tyrosine kinases are hallmarks of gastrointestinal stromal tumor (GIST). The biological underpinnings of recurrence following resection or disease progression beyond kinase mutation are poorly understood. Utilizing chromatin immunoprecipitation with sequencing of tumor... | Gastrointestinal stromal tumor enhancers support a transcription factor network predictive of clinical outcome. | Proceedings of the National Academy of Sciences of the United States of America | multi | 2,222 | 45 |
The endangered whale shark ( Rhincodon typus ) is the largest fish on Earth and a long-lived member of the ancient Elasmobranchii clade. To characterize the relationship between genome features and biological traits, we sequenced and assembled the genome of the whale shark and compared its genomic and physiological fea... | The whale shark genome reveals how genomic and physiological properties scale with body size. | Proceedings of the National Academy of Sciences of the United States of America | multi | 2,222 | 45 |
Synaptotagmins (Syts) act as Ca 2+ sensors in neurotransmitter release by virtue of Ca 2+ -binding to their two C 2 domains, but their mechanisms of action remain unclear. Puzzlingly, Ca 2+ -binding to the C 2 B domain appears to dominate Syt1 function in synchronous release, whereas Ca 2+ -binding to the C 2 A domain ... | Exceptionally tight membrane-binding may explain the key role of the synaptotagmin-7 C2A domain in asynchronous neurotransmitter release. | Proceedings of the National Academy of Sciences of the United States of America | multi | 2,222 | 45 |
Two different types of mechanisms are at present suggested for the O-O bond-formation step in photosystem II. The first one is a coupling between an oxyl radical and a bridging oxo. The second one is a nucleophilic water attack on a terminal oxo (or oxyl) group. In the present short paper, the six most reasonable versi... | Nucleophilic water attack is not a possible mechanism for O-O bond formation in photosystem II. | Proceedings of the National Academy of Sciences of the United States of America | multi | 2,222 | 45 |
Actively transcribed genes in mammals are decorated by H3K79 methylation, which is correlated with transcription levels and is catalyzed by the histone methyltransferase DOT1L. DOT1L is required for mammalian development, and the inhibition of its catalytic activity has been extensively studied for cancer therapy; howe... | DOT1L-controlled cell-fate determination and transcription elongation are independent of H3K79 methylation. | Proceedings of the National Academy of Sciences of the United States of America | multi | 2,222 | 45 |
China has implemented an emission trading system (ETS) to reduce its ever-increasing greenhouse gas emissions while maintaining rapid economic growth. With low carbon prices and infrequent allowance trading, whether China's ETS is an effective approach for climate mitigation has entered the center of the policy and res... | The effectiveness of China's regional carbon market pilots in reducing firm emissions. | Proceedings of the National Academy of Sciences of the United States of America | multi | 2,222 | 45 |
We recently reported that social choice-induced voluntary abstinence prevents incubation of methamphetamine craving in rats. This inhibitory effect was associated with activation of protein kinase-Cδ (PKCδ)-expressing neurons in central amygdala lateral division (CeL). In contrast, incubation of craving after forced ab... | Abstinence-dependent dissociable central amygdala microcircuits control drug craving. | Proceedings of the National Academy of Sciences of the United States of America | multi | 2,222 | 45 |
Dynamic molecular crystals have recently received ample attention as an emerging class of energy-transducing materials, yet have fallen short of developing into fully realized actuators. Through the trans - cis surface isomerization of three crystalline azobenzene materials, here, we set out to extensively characterize... | Performance of molecular crystals in conversion of light to mechanical work. | Proceedings of the National Academy of Sciences of the United States of America | multi | 2,222 | 45 |
Contamination of soils with per- and polyfluoroalkyl substances (PFASs) is a global problem, in particular at fire-fighter training sites due to the usage of PFAS-containing aqueous fire-fighting foams (AFFFs). In this study, an electrodialytic remediation method was applied for the first time to remove PFASs from cont... | Electrodialytic per- and polyfluoroalkyl substances (PFASs) removal mechanism for contaminated soil. | Chemosphere | chemistry | 546 | 13 |
Scientists are on the lookout for a practical model that can serve as a standard for sorting out, identifying, and characterizing microplastics which are common occurrences in water sources and wastewaters. The microbeads (MBs) used in cosmetics and discharged into the sewer systems after use cause substantial micropla... | Use of a convolutional neural network for the classification of microbeads in urban wastewater. | Chemosphere | chemistry | 546 | 13 |
Perfluorinated alkyl acids (PFAAs) are environmental contaminants that have been used in many products for over 50 years. Interest and concern has grown since 2000 on the widespread presence of PFAAs, when it was discovered that PFAAs were present in wildlife samples around the northern hemisphere. Since then, several ... | Perfluorinated alkyl acids in the plasma of South African crocodiles (Crocodylus niloticus). | Chemosphere | chemistry | 546 | 13 |
The removal efficiency (RE) and bioaerosol emission of a perlite biofilter treating vapors of toluene (T) and/or ethyl acetate (EA) were assessed, under different operating conditions, during 171 days. Under the first stages of operation, a mixture of EA and T was treated, with equivalent inlet loads (ILs) of each comp... | Evaluation of bioaerosols by flow cytometry and removal performance in a biofilter treating toluene/ethyl acetate vapors. | Chemosphere | chemistry | 546 | 13 |
Polyethylene (PE) agricultural soil films are easily embrittled and decomposed to microplastics (MPs) in environment. As widely used pesticides in vegetable farmland, carbendazim, dipterex, diflubenzuron, malathion, difenoconazole have potential environmental and human safety risks. They are often coexisting with MPs i... | Adsorption behavior and mechanism of five pesticides on microplastics from agricultural polyethylene films. | Chemosphere | chemistry | 546 | 13 |
Madín Reservoir provides a substantial amount of drinking water to two municipalities close to Mexico City metropolitan area. However, it receives untreated wastewater discharges from domestic sources in the towns of Nuevo Madín and others, as well as diverse pollutants which are hauled by the Río Tlalnepantla from its... | DNA damage and cytotoxicity induced on common carp by pollutants in water from an urban reservoir. Madín reservoir, a case study. | Chemosphere | chemistry | 546 | 13 |
Pine needle samples were collected near a municipal solid waste incinerator (MSWI) in Pearl River Delta, southern China, as well as the stack gas and dust samples of the MSWI were simultaneously collected. Polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (PCDD/Fs) were analyzed following the USEPA Me... | Characteristic accumulation of PCDD/Fs in pine needles near an MSWI and emission levels of the MSWI in Pearl River Delta: A case study. | Chemosphere | chemistry | 546 | 13 |
As a marine mammal species that inhabits shallow nearshore waters, humpback dolphins are likely exposed to a wide range of pollutants from adjacent land-based activities. Increased mortality rates of Australian humpback dolphins (Sousa sahulensis) in waters off a major urbanised centre triggered investigations into the... | Screening of organic and metal contaminants in Australian humpback dolphins (Sousa sahulensis) inhabiting an urbanised embayment. | Chemosphere | chemistry | 546 | 13 |
Influence of land use type and urbanization level on the distribution of pharmaceuticals and personal care products (PPCPs) from the developed regions of Beijing-Tianjin-Hebei in the northern China was evaluated. The seasonal and spatial variations of the 22 target PPCPs were analyzed in the 63 sampling sites along the... | Influence of land use type and urbanization level on the distribution of pharmaceuticals and personal care products and risk assessment in Beiyun River, China. | Chemosphere | chemistry | 546 | 13 |
Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous organic contaminants, which are found in soils throughout the U.S. The objective of this study was to determine the background concentrations, distributions, and sources of 16 USEPA priority PAHs in two urban soils. A total of 114 soil samples were collected from t... | PAHs in urban soils of two Florida cities: Background concentrations, distribution, and sources. | Chemosphere | chemistry | 546 | 13 |
It is stubborn to remove the lowly concentrated phthalic acid esters (PAEs) that usually coexist with other highly concentrated but low-toxic pollutants in municipal sewage. Herein, we report a novel strategy for completely removing the PAEs over a bi-functional {001}TiO 2 surface (with highly exposed {001} facet), whi... | Efficient photocatalytic removal of phthalates easily implemented over a bi-functional {001}TiO2 surface. | Chemosphere | chemistry | 546 | 13 |
This is the first study to investigate the reduction mechanism of Tl (III) to Tl(I) in the presence of plants, especially rice. Smaller plant density could effectively reduce the content of organic acids in the hydroponic system to keep the stability of Tl(III). As the plant density was reduced from 40 seedlings to 10 ... | Different responses in metallothionein gene expression and antioxidative enzyme activity lead to more ROS accumulation in rice exposed to Tl(III) than to Tl(I). | Chemosphere | chemistry | 546 | 13 |
Biochar amendment in soil has the potential to sequester carbon, improve soil quality and mitigate greenhouse gas (GHG) emission in agriculture, but the impact of biochar amendments on dissolved organic matter (DOM) properties of soils in the fertilized agro-ecosystem has received little research attention. This study ... | Impacts of biochar addition on soil dissolved organic matter characteristics in a wheat-maize rotation system in Loess Plateau of China. | Chemosphere | chemistry | 546 | 13 |
Phenanthrene can easily be absorbed into the plant from the soil and cannot be effectively degraded in it. Thus, it is greatly hazardous for food safety and human health. In our study, the biodegradability and remediation mechanism of endophytic fungus Phomopsis liquidambaris on phenanthrene in vivo of rice (Oryza sati... | Remediation mechanism of endophytic fungus Phomopsis liquidambaris on phenanthrene in vivo. | Chemosphere | chemistry | 546 | 13 |
Technosols created to reclaim degraded soils is a promising solution that needs further research. The objectives of the study were: i) to create a Technosol with a very high capacity to immobilize copper from mining, ii) to assess the capacity of the Technosol to immobilize copper after planting two tropical native tre... | The potential of a Technosol and tropical native trees for reclamation of copper-polluted soils. | Chemosphere | chemistry | 546 | 13 |
Covalent-immobilization of the laccase enzyme onto the iron oxide nanoparticles was achieved using N-(3-Dimethylaminopropyl)-N'-ethylcarbodiimide hydrochloride (EDAC) as cross-linkers. The presence of sulphur moeity in the laccase immobilized nanoparticles (LNPs) observed through Scanning Electron Microscopy- Energy di... | Degradation of chlorpyrifos in soil using laccase immobilized iron oxide nanoparticles and their competent role in deterring the mobility of chlorpyrifos. | Chemosphere | chemistry | 546 | 13 |
A new combined solar plant including an annular continuous-flow compound parabolic collector (CPC) reactor and a pasteurization system was designed, built, and tested for simultaneous drinking water disinfection and chemical decontamination. The plant did not use pumps and had no electricity costs. First, water continu... | A novel combined solar pasteurizer/TiO2 continuous-flow reactor for decontamination and disinfection of drinking water. | Chemosphere | chemistry | 546 | 13 |
Cadmium (Cd) is among the most widespread toxic trace elements found in agricultural soils due to various anthropogenic activities. The role of micronutrient-amino chelates on reducing Cd toxicity in crop plants is recently introduced. The current study was conducted to highlight the role of foliar application of zinc-... | Effect of zinc-lysine on growth, yield and cadmium uptake in wheat (Triticum aestivum L.) and health risk assessment. | Chemosphere | chemistry | 546 | 13 |
Microbial fuel cells (MFCs) are an emerging technology for converting organic waste into electricity, thus providing potential solution to energy crises along with eco-friendly wastewater treatment. The electrode properties and biocatalysts are the major factors affecting electricity production in MFC. The electrons ge... | Advances in the development of electrode materials for improving the reactor kinetics in microbial fuel cells. | Chemosphere | chemistry | 546 | 13 |
The design and synthesis of uranium sorbent materials with high uptake efficiency, capacity and selectivity, as well as excellent hydrolytic stability and radiation resistance remains a challenge. Herein, a polyoxometalate (POM)-organic framework material (SCU-19) with a rare inclined polycatenation structure was desig... | Three Mechanisms in One Material: Uranium Capture by a Polyoxometalate-Organic Framework through Combined Complexation, Chemical Reduction, and Photocatalytic Reduction. | Angewandte Chemie (International ed. in English) | chemistry | 178 | 13 |
A palladium-catalyzed cascade reaction based on the trapping of transient alkyl-Pd II intermediates with arynes encompassing a C-H activation step has been developed. This synthetic pathway gives rise to hetero-spirocyclic scaffolds containing a biaryl motif, and opens up new synthetic strategies in the design of casca... | Trapping σ-Alkyl-Palladium(II) Intermediates with Arynes Encompassing Intramolecular C-H Activation: Spirobiaryls through Pd-Catalyzed Cascade Reactions. | Angewandte Chemie (International ed. in English) | chemistry | 178 | 13 |
Nanomaterials offer exciting properties and functionalities. However, their production and processing frequently involve complex methods, cumbersome equipment, harsh conditions, and hazardous media. The capability of organisms to accomplish this using mild conditions offers a sustainable, biocompatible, and environment... | Synthesis and Processing of Nanomaterials Mediated by Living Organisms. | Angewandte Chemie (International ed. in English) | chemistry | 178 | 13 |
Affinity-based protein profiling (AfBPP) is a widely applied method for the target identification of bioactive molecules. Probes containing photocrosslinkers, such as benzophenones, diazirines, and aryl azides, irreversibly link the molecule of interest to its target protein upon irradiation with UV light. Despite thei... | A Whole Proteome Inventory of Background Photocrosslinker Binding. | Angewandte Chemie (International ed. in English) | chemistry | 178 | 13 |
The decomposition of state-of-the-art lithium ion battery (LIB) electrolytes leads to a highly complex mixture during battery cell operation. Furthermore, thermal strain by e.g., fast charging can initiate the degradation and generate various compounds. The correlation of electrolyte decomposition products and LIB perf... | Clarification of Decomposition Pathways in a State-of-the-Art Lithium Ion Battery Electrolyte through 13 C-Labeling of Electrolyte Components. | Angewandte Chemie (International ed. in English) | chemistry | 178 | 13 |
The adhesive system of mussels evolved into a powerful and adaptive system with affinity to a wide range of surfaces. It is widely known that thereby 3,4-dihydroxyphenylalanine (Dopa) plays a central role. However underlying binding energies remain unknown at the single molecular scale. Here, we use single-molecule for... | Resolving Non-Specific and Specific Adhesive Interactions of Catechols at Solid/Liquid Interfaces at the Molecular Scale. | Angewandte Chemie (International ed. in English) | chemistry | 178 | 13 |
The experimental detection and synthesis of pentazole (HN 5 ) and its anion (cyclo-N 5 - ) have been actively pursued for the past hundred years. The synthesis of an aesthetic three-dimensional metal-pentazolate framework (denoted as MPF-1) is presented. It consists of sodium ions and cyclo-N 5 - anions in which the is... | Stabilization of the Pentazolate Anion in a Zeolitic Architecture with Na20 N60 and Na24 N60 Nanocages. | Angewandte Chemie (International ed. in English) | chemistry | 178 | 13 |
Novel targets are needed for treatment of devastating diseases such as cancer. For decades, natural products have guided innovative therapies by addressing diverse pathways. Inspired by the potent cytotoxic bioactivity of myxobacterial vioprolides A-D, we performed in-depth studies on their mode of action. Based on its... | The Cytotoxic Natural Product Vioprolide A Targets Nucleolar Protein 14, Which Is Essential for Ribosome Biogenesis. | Angewandte Chemie (International ed. in English) | chemistry | 178 | 13 |
An asymmetric catalytic decarboxylative [4+2] annulation of 4-ethynyl dihydrobenzooxazinones and carboxylic acids has been established by cooperative copper and nucleophilic Lewis base catalysis. A C1 ammonium enolate and copper-allenylidene complex, each catalytically generated from different substrates, underwent a c... | Asymmetric [4+2] Annulation of C1 Ammonium Enolates with Copper-Allenylidenes. | Angewandte Chemie (International ed. in English) | chemistry | 178 | 13 |
A series of tamoxifen-like metallocifens of the group-8 metals (Fe, Ru, and Os) has strong antiproliferative activity on the triple-negative breast cancer cells (MDA-MB-231). To shed light on the mechanism of action of these molecules, synchrotron radiation X-ray fluorescence nanoimaging studies were performed on cells... | Intracellular Localization of an Osmocenyl-Tamoxifen Derivative in Breast Cancer Cells Revealed by Synchrotron Radiation X-ray Fluorescence Nanoimaging. | Angewandte Chemie (International ed. in English) | chemistry | 178 | 13 |
In reactions restricted previously to a ruthenium catalyst, a 1-lithium-2-alkyl-1,2-dihydropyridine complex is shown to be a competitive alternative dehydrogenation catalyst for the transformation of diamine boranes into cyclic 1,3,2-diazaborolidines, which can in turn be smoothly arylated in good yields. This study es... | Lithium Dihydropyridine Dehydrogenation Catalysis: A Group 1 Approach to the Cyclization of Diamine Boranes. | Angewandte Chemie (International ed. in English) | chemistry | 178 | 13 |
Atomically dispersed and nitrogen coordinated single metal sites (M-N-C, M=Fe, Co, Ni, Mn) are the popular platinum group-metal (PGM)-free catalysts for many electrochemical reactions. Traditional wet-chemistry catalyst synthesis often requires complex procedures with unsatisfied reproducibility and scalability. Here, ... | Chemical Vapor Deposition for Atomically Dispersed and Nitrogen Coordinated Single Metal Site Catalysts. | Angewandte Chemie (International ed. in English) | chemistry | 178 | 13 |
Here, we provide the first structural characterization of host-guest complexation between cucurbit[7]uril (Q7) and dimethyllysine (KMe 2 ) in a model protein. Binding was dominated by complete encapsulation of the dimethylammonium functional group. While selectivity for the most sterically accessible dimethyllysine was... | Cucurbit[7]uril-Dimethyllysine Recognition in a Model Protein. | Angewandte Chemie (International ed. in English) | chemistry | 178 | 13 |
We present a novel route for the quick and easy synthesis of a broad range of β-lactams. The synthesis involves a [3+1] cyclization of amide dianions with diiodomethane. In contrast to the seminal work of Hirai et al. from 1979, the reaction proved to be a general and efficient approach towards azetidinones. The ease o... | β-Lactam Synthesis through Diodomethane Addition to Amide Dianions. | Angewandte Chemie (International ed. in English) | chemistry | 178 | 13 |
Racemic 3,4-dihydro-2H-pyrroles, hypothetical intermediates of the Barton-Zard reaction, were synthesized in a highly diastereoselective manner and fully characterized for the first time. Kinetic resolution of the dihydropyrroles with a quinine-derived thiourea afforded the (+)-3-arylpyrrole products and recovered (+)-... | Catalytic Kinetic Resolution by Enantioselective Aromatization: Conversion of Racemic Intermediates of the Barton-Zard Reaction into Enantioenriched 3-Arylpyrroles. | Angewandte Chemie (International ed. in English) | chemistry | 178 | 13 |
Finely controlled circularly polarized luminescence (CPL) supramolecular polymerization based on a tetraphenylethene core with four l- or d-alanine branch side chains (l-1 and d-1) in the solution state is presented, resulting from the tuning of mechanical stimulus. Weak, green emissions of l-1 and d-1 in tetrahydrofur... | Finely Controlled Circularly Polarized Luminescence of a Mechano-Responsive Supramolecular Polymer. | Angewandte Chemie (International ed. in English) | chemistry | 178 | 13 |
Among the variety of isolable compounds with multiple bonds involving silicon, examples of compounds that contain silicon-boron double bonds (borasilenes) still remain relatively rare. Herein, we report the synthesis of the potassium salt of a chloride adduct of borasilene 1 ([2] - ), which was obtained as an orange cr... | An Isolable Potassium Salt of a Borasilene-Chloride Adduct. | Angewandte Chemie (International ed. in English) | chemistry | 178 | 13 |
In a novel process, CO 2 and CH 4 from the off-gases of the coke oven and blast furnace are used in homogeneous reforming of those greenhouse gases to valuable syngas, a mixture of H 2 and CO. Synthetic mixtures of the off-gases from those large apparatuses of steel industry are fed to a high-temperature, high-pressure... | Reduction of CO2 Emission from Off-Gases of Steel Industry by Dry Reforming of Methane. | Angewandte Chemie (International ed. in English) | chemistry | 178 | 13 |
Electrocatalytic CO 2 reduction to value-added products provides a viable alternative to the use of carbon sources derived from fossil fuels. Carrying out these transformations at reasonable energetic costs, for example, with low overpotential, remains a challenge. Molecular catalysts allow fine control of activity and... | Electroreduction of CO2 to Formate with Low Overpotential using Cobalt Pyridine Thiolate Complexes. | Angewandte Chemie (International ed. in English) | chemistry | 178 | 13 |
Patients diagnosed with cancer commonly have a high degree of anxiety during an initial oncology consultation, which may interfere with a patient's ability to retain information required to make informed treatment decisions. A previous study randomised breast cancer survivors (volunteers) to view either (a) a brief vid... | Preconsultation compassion intervention to reduce anxiety among patients referred to a cancer center: protocol for a randomised control trial. | BMJ open | medicine | 337 | 43 |
Chronic post-surgical pain (CPSP) after lung or pleural surgery is a common complication and associated with a decrease in quality of life, long-term use of pain medication and substantial economic costs. An abundant number of primary prognostic factor studies are published each year, but findings are often inconsisten... | Prognostic factors for chronic post-surgical pain after lung or pleural surgery: a protocol for a systematic review and meta-analysis. | BMJ open | medicine | 337 | 43 |
Severe subjective psychosomatic symptoms (SPS) in adolescents are a major public health concern, and lifestyle modification interventions for reducing SPS are important topics. Recently, we developed a school-based lifestyle education involving parents for reducing SPS of adolescents (SPRAT), an improved version of the... | School-based lifestyle education involving parents for reducing subjective psychosomatic symptoms in Japanese adolescents: study protocol for a cluster randomised controlled trial. | BMJ open | medicine | 337 | 43 |
To survey the healthcare professionals' background and experiences from work with patients with COVID-19 in intensive care units (ICUs) during the first wave of the COVID-19 pandemic in Norway. Observational cohort study. COVID-ICUs in 27 hospitals across Norway. Healthcare professionals (n=484): nurses (81%), medical ... | Healthcare professionals in COVID-19-intensive care units in Norway: preparedness and working conditions: a cohort study. | BMJ open | medicine | 337 | 43 |
Malaria infection could result in severe disease with high mortality. Prognostic models and scores predicting severity of infection, complications and mortality could help clinicians prioritise patients. We conducted a systematic review to assess the various models that have been produced to predict disease severity an... | Prognostic models for the clinical management of malaria and its complications: a systematic review. | BMJ open | medicine | 337 | 43 |
To examine associations of behavioural risk factors, namely cigarette smoking, physical activity, dietary intakes and alcohol consumption, with blood lipids profile. Data drawn from a cross-sectional study involving participants aged 18 years and over (n=363) from the nationwide WHO STEPwise Nutrition and Non-communica... | Prevalence and associations of behavioural risk factors with blood lipids profile in Lebanese adults: findings from WHO STEPwise NCD cross-sectional survey. | BMJ open | medicine | 337 | 43 |
To examine the impact of critical care on future alcohol-related behaviour. Further, it aimed to explore patterns of recovery for patients with and without alcohol use disorders beyond the hospital environment. In-depth, semistructured interviews with participants (patients) 3-7 months post intensive care discharge. Th... | Health and social consequences of an alcohol-related admission to critical care: a qualitative study. | BMJ open | medicine | 337 | 43 |
Slavery and human trafficking are crimes involving the violation of human rights and refer to exploitative situations where an individual cannot refuse or leave due to threats, coercion or abuse of power. Activities involving slavery include forced labour exploitation, forced sexual exploitation, forced marriage and se... | Mental health recovery for survivors of modern slavery: grounded theory study protocol. | BMJ open | medicine | 337 | 43 |
Child (infant and under-5) and maternal mortality rates are key indicators for assessing the health status of populations. South Africa's maternal and child mortality rates are high, and the country mirrors the continental trend of slow progress towards its Millennium Development Goals. Rural areas are often more affec... | Spatial-temporal dynamics and structural determinants of child and maternal mortality in a rural, high HIV burdened South African population, 2000-2014: a study protocol. | BMJ open | medicine | 337 | 43 |
Very-low birthweight (VLBW, <1500 g) infants comprise about 1%-1.4% of all births in high-income countries. Every year, about 3000 VLBW babies in Australia and New Zealand receive intensive care. Many die or else survive with severe brain injury, retinopathy, late-onset sepsis or necrotising enterocolitis (NEC), each o... | Protocol for the Lactoferrin Infant Feeding Trial (LIFT): a randomised trial of adding lactoferrin to the feeds of very-low birthweight babies prior to hospital discharge. | BMJ open | medicine | 337 | 43 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.