Immobilization of ammonia oxidizing bacteria using mycelial pellets: Preparation, characteristics, and application for nitritation.

Ammonia-oxidizing bacteria (AOB) sourced from an aerobic granular sludge (AGS) process were rapidly enriched by progressively increasing ammonia nitrogen (NH-N) loads, achieving a Nitrosomonas abundance of 20.7 % and a nitrite accumulation rate exceeding 80 %. Mycelial pellets formed by Cladosporium, isolated from the same AGS system, provided a porous surface structure for the immobilization of the enriched AOB, creating mycelial pellet/AOB composites.

Single Na- and K-Ion-Conducting Sulfonated -NH-Linked Covalent Organic Frameworks.

Highly ion-conductive solid electrolytes of nonlithium ions (sodium or potassium ions) are necessary for pursuing a more cost-effective and sustainable energy storage. Here, two classes of sulfonated -NH-linked covalent organic frameworks (COFs), specifically designed for sodium or potassium ion conduction (named i-COF-2 (Na or K) and i-COF-3 (Na or K)), were synthesized through a straightforward, one-step process using affordable starting materials. Remarkably, these COFs demonstrate high ionic conductivity at room temperature─3.

Interaction of starch nanoparticles with digestive enzymes and its effect on the release of polyphenols in simulated gastrointestinal fluids.

This study investigates the interaction of amino-modified starch nanoparticles (NH-SNPs) and unmodified SNPs with pepsin and trypsin and the influence of the formation of protein coronas on the release of polyphenols. We discovered that NH-SNPs bound loosely to pepsin, while they bound tightly to trypsin, by quartz crystal microbalance with dissipation monitoring and zeta potential measurement. SNPs did not easily bind to the two digestive enzymes.

Enhanced cardiac vagal activity and mood after low-dose hypoxic gas inhalation in healthy young adults.

Developing strategies to enhance cardiac vagal activity (CVA) is essential for improving mood and managing stress. Although hypoxia inhalation may boost CVA, the optimal acute hypoxic conditions remain unclear. Therefore, we aimed to achieve a comprehensive understanding of the hypoxic conditions required to improve CVA and mood following hypoxia.

Effective denitrification from landfill leachate using magnetic PVA/CMC/DE carrier immobilized microorganisms.

Ammonia nitrogen (NH-N) discharge has caused eutrophication of water bodies and harm to humans and organisms. In this work, polyvinyl alcohol (PVA), sodium carboxymethyl cellulose (CMC), diatomite (DE), and FeO were used to prepare magnetic immobilized carriers by encapsulating microorganisms for the treatment of NH-N wastewater. The response surface methodology was used to explore the optimal ratio of the immobilized carriers.

Influence of forage-to-concentrate ratio on the effects of a radiata pine bark extract on methane production and fermentation using the rumen simulation technique.

Climate change and food safety standards have intensified research into plant-based compounds as alternatives to dietary supplements in animal feed. These compounds can reduce enteric methane (CH) emissions and the formation of ruminal ammonia. This study investigated the effects of radiata pine bark extract (PBE) supplementation on CH production, ruminal fermentation parameters, and nutrient disappearance using the rumen simulation technique in diets with different forage-to-concentrate (F:C) ratios.

Exploring Dynamics and Intermolecular Interactions in Binary Mixtures of Reline and DMSO: An Investigation Using Nuclear Magnetic Resonance and Infrared Spectroscopic Techniques.

Reline, which is composed of choline chloride and urea in a molar ratio of 1:2, is the first and most extensively studied deep eutectic solvent (DES). In certain applications, reline is blended with organic solvents, dimethyl sulfoxide (DMSO) in most cases, to gain improved properties. Therefore, it is crucial to have a profound understanding of the impact of DMSO on the dynamics and structures of the species in the binary mixtures.

Brain Transcriptome Changes Associated With an Acute Increase of Protein O-GlcNAcylation and Implications for Neurodegenerative Disease.

Enhancing protein O-GlcNAcylation by pharmacological inhibition of the enzyme O-GlcNAcase (OGA) has been considered as a strategy to decrease tau and amyloid-beta phosphorylation, aggregation, and pathology in Alzheimer's disease (AD). There is still more to be learned about the impact of enhancing global protein O-GlcNAcylation, which is important for understanding the potential of using OGA inhibition to treat neurodegenerative diseases. In this study, we investigated the acute effect of pharmacologically increasing O-GlcNAc levels, using the OGA inhibitor Thiamet G (TG), in normal mouse brains.

Nitrous oxide production via enzymatic nitroxyl from the nitrifying archaeon .

Ammonia oxidizing archaea (AOA) are among the most abundant microorganisms on earth and are known to be a major source of nitrous oxide (NO) emissions, although biochemical origins of this NO remain unknown. Enzymological details of AOA nitrogen metabolism are broadly unavailable. We report the recombinant expression, purification, and characterization of a multicopper oxidase, Nmar_1354, from the AOA .

Walking or hanging: the role of habitat use for body shape evolution in lacertid lizards.

Differences in habitat use impose ecological constraints which in turn lead to functional and morphological differences through adaptation. In fact, a convergent evolutionary pattern is evident when species exhibit similar responses to similar environments. In this study we examine how habitat use influences the evolution of body shape in lizards from the family Lacertidae.

Fabrication of Highly Fluorescent Nitrogen and Phosphorus Dual-Doped Carbon Dots for Selective Sensing of Rutin.

Based on nitrogen and phosphorus co-doped carbon dots (NP-CDs), a direct, quick, and selective sensing probe for fluorometric detection of rutin has been developed. Utilizing ethylene diamine tetra acetic acid (EDTA) as a carbon and nitrogen source and diammonium hydrogen phosphate (NH)HPO as a nitrogen and phosphorus source. The NP-CDs were synthesized in less than 3 min with a straightforward one-step microwave pyrolysis process with a high quantum yield (63.

Insecticides may facilitate the escape of weeds from biological control.

Background: Preventative pesticide seed treatments (hereafter preventative pest management or PPM) are common corn and soybean treatments, and often include both fungicides and neonicotinoid insecticides. While PPM is intended to protect crops from soil-borne pathogens and early season insect pests, these seed treatments may have detrimental effects on biological control of weed seeds by insects.

Methods: Here, in two 3-year corn-soy rotations in Pennsylvania USA, we investigated a PPM approach to insect management compared to an integrated pest management approach (IPM) and a "no (insect) pest management" (NPM) control.

Synthesis of [Fe[(μ-SeCH)NH](CN)(CO)] and Related Iron Selenoates.

The dianion [Fe[(μ-SeCH)NH](CN)(CO)] ([]) is of interest for the preparation of the selenide analog of the active site of the [FeFe]-hydrogenases. The obvious route for its synthesis by cyanation of Fe[(μ-SeCH)NH](CO) () fails for reasons that this paper explains and resolves. We show that CN cleaves Se-C bonds in .

Usage patterns of cognitive assessments during Medicare's Annual Wellness Visit: A national survey.

Introduction: Medicare's Annual Wellness Visit (AWV) is a logical opportunity for early detection of cognitive impairment, but recent data for uptake and cognitive assessments during it are lacking.

Methods: We surveyed Medicare beneficiaries of a nationally representative panel about use of AWV and cognitive assessments and analyzed associations between uptake and beneficiaries' characteristics.

Results: Of 1871 participants, 80% had an AWV, among whom 31% underwent formal cognitive testing, 35% were asked about memory problems, including 15% having both.

Neuron-derived extracellular vesicles as a liquid biopsy for brain insulin dysregulation in Alzheimer's disease and related disorders.

Extracellular vesicles (EVs) have emerged as novel blood-based biomarkers for various pathologies. The development of methods to enrich cell-specific EVs from biofluids has enabled us to monitor difficult-to-access organs, such as the brain, in real time without disrupting their function, thus serving as liquid biopsy. Burgeoning evidence indicates that the contents of neuron-derived EVs (NDEs) in blood reveal dynamic alterations that occur during neurodegenerative pathogenesis, including Alzheimer's disease (AD), reflecting a disease-specific molecular signature.

A Clinicopathologic and Molecular Reappraisal of Myxoinflammatory Fibroblastic Sarcoma-A Controversial and Pathologically Challenging Low-Grade Sarcoma.

Purpose: Myxoinflammatory fibroblastic sarcoma (MIFS) is a rare, low-grade sarcoma affecting with predilection the acral soft tissues of middle-aged adults. Clinically, MIFS is associated with a high rate of local recurrence but infrequent distant metastases. The diagnosis remains challenging due to their wide histologic spectrum and overlap with reactive, benign, and low-grade malignant lesions.

Examining the Impact of Race and Sex on the Incidence of Positive Surgical Margins in Oral Cavity Squamous Cell Carcinoma.

Objective: The aim of this study was to compare the incidence of positive surgical margins (PSMs) between different races and sexes in a national cohort.

Materials And Methods: In this study, we analyzed the association between race and sex disparities and the incidence of PSMs based on data from the 2004-2016 National Cancer Database (NCDB). The NCDB includes deidentified data collected from over 1500 hospitals as part of the Commission on Cancer approvals program and represents over 70% of new cancer cases in the United States.

Internalizing Psychiatric Symptoms in People With Mosaicism for Trisomy 21.

People with mosaicism for trisomy 21 have been shown to exhibit many of the same phenotypic traits present in people with non-mosaic Down syndrome, but with varying symptom severity. However, the behavioral phenotype of people with mosaic Down syndrome (mDS) has not been well characterized. This study aimed to examine the prevalence of self-report and caregiver-report symptoms of depression and anxiety among a sample of 62 participants with mDS aged 12-46 and assess their association with the percentage of trisomy 21 in blood and/or buccal mucosa cells.

Associations between blood donors, component modifications, and the alloimmunization of transfusion recipients.

Background: Prior studies have evaluated transfusion recipient variables impacting red blood cell (RBC) alloimmunization, but few focused on potentially modifiable blood donor or blood component variables.

Study Design And Methods: Data from the Recipient Epidemiology and Donor Evaluation Study (REDS)-III, which links donor, component, and patient data in an integrated database, were accessed. For any given RBC unit with sufficient blood donor and component data, we determined if the transfusion recipient experienced a new RBC alloimmunization event ("case") within 16 weeks of the transfusion or not ("control").

Humanized Candida and NanoBiT Assays Expedite Discovery of Bdf1 Bromodomain Inhibitors With Antifungal Potential.

The fungal Bromodomain and Extra-Terminal (BET) protein Bdf1 is a potential antifungal target against invasive fungal infections. However, the need to selectively inhibit both Bdf1 bromodomains (BDs) over human orthologs and the lack of molecular tools to assess on-target antifungal efficacy hamper efforts to develop Bdf1 BD inhibitors as antifungal therapeutics. This study reports a phenyltriazine compound that inhibits both Bdf1 BDs from the human fungal pathogen Candida glabrata with selectivity over the orthologous BDs from the human BET protein Brd4.

Sacral tumors: a comprehensive review of imaging, diagnostic challenges, and tumor mimics.

The sacrum can harbor a diverse group of both benign and malignant tumors, including metastases. Primary tumors of the sacrum can arise from bone, cartilage, marrow, notochordal remnants, or surrounding nerves and vessels. Among a variety of primary tumors of the spine, chordoma, germ cell tumors and Ewing's sarcoma are recognized for their propensity to occur in the sacrum.

Correction: Photocatalytic membranes based on Cu-NH-MIL-125(Ti) protected by poly(vinylidene fluoride) for high and stable hydrogen production.

Correction for 'Photocatalytic membranes based on Cu-NH-MIL-125(Ti) protected by poly(vinylidene fluoride) for high and stable hydrogen production' by Emilia Gontarek-Castro , 2025, https://doi.org/10.1039/d4mh01397b.

Application of digital-movie-based flow colorimetry to hue-based end point detection of acid-base titration by feedback-based flow ratiometry using universal indicator.

A digital-movie-based flow colorimetry for pH measurement using a universal indicator has been applied to the end point detection of acid-base titrations. A two-channel flow system of feedback-based flow ratiometry, primarily consisting of two peristaltic pumps, a digital microscope-based detector, and a laptop computer, was constructed; a Visual Basic.NET program written in-house was used for automating the analytical processes.

Differences in Perceived Versus Actual Sensory Perception in Avoidant/Restrictive Food Intake Disorder.

Background: Individuals with avoidant/restrictive food intake disorder (ARFID) self-report heightened sensitivity to taste and smell, but neither phenomenon has been systematically explored in the laboratory. We hypothesized that, compared to healthy controls (HC, n = 34), children, adolescents, and adults with full/subthreshold ARFID (n = 100; ages 9 to 23 years) would self-report heightened response to taste/smell stimuli and exhibit stronger bitter taste perception and heightened smell perception in performance-based tasks, and these differences would be especially prominent in those with the ARFID-sensory sensitivity presentation.

Method: We measured self-reported sensitivity to taste/smell with the adolescent/adult sensory profile (AASP).