Metal-organic double layer to stabilize selective multi-carbon electrosynthesis.

Stable operation of the gas diffusion electrodes is key for industrial-scale electrochemical CO reduction (eCOR). To enhance the electrolytic stability, we shield the Cu-coated gas diffusion electrode with a polycationic sheath via electrospinning and propose a Metal-Organic Double Layer (MODL) scheme to depict the triphasic interface. The as-fabricated electrode exhibits a high multi-carbon Faradaic efficiency of 91.

Achieving Extra-High-Quality Images in ToF-SIMS Molecular Imaging of Insulating Samples Using a Low Current O Auxiliary Beam and Back Side Au Coating.

Molecular imaging enabled by ToF-SIMS has become increasingly desirable in many research fields in the last several decades. However, complex charging on highly insulating samples and at phase-separation boundaries may lead to dark edges and boundaries in ion images, presenting a big obstacle to obtaining high quality ion images, even with low energy electron charge compensation. Depositing a thin metal layer on the sample surface or using a combination of a low energy electron beam and a low energy Argon ion beam can be helpful.

Effect of Low-Temperature Plasma Sterilization on the Quality of Pre-Prepared Tomato-Stewed Beef Brisket During Storage: Microorganism, Freshness, Protein Oxidation and Flavor Characteristics.

Traditional tomato-braised beef brisket with potatoes is celebrated for its rich, complex flavors and culinary appeal but requires lengthy preparation. Pre-packaged versions of the dish rely on thermal sterilization for safety; however, high-temperature processing accelerates protein and lipid oxidation, thereby compromising its sensory quality. As the demand for ready-to-eat meals grows, the food industry faces the challenge of ensuring microbial safety while preserving flavor integrity.

One-Pot Fabrication of Ginger-Waste-Derived Ionic Liquid Electrospun Films: An Efficient Preparation Strategy with Enhanced Antibacterial Functionality.

In the process of ginger deep processing, a lot of waste is generated which is rich in biopolymers and active ingredients such as cellulose, starch, gingerol, and gingerol, but its low utilization rate leads to waste of resources. In this study, ginger waste residue, cellulose, and bioactive substances were spun into fiber materials by wet electrospinning technology with 1-butyl-3-methylimidazole acetate ([Bmim]Ac) as solvent. Fiber plasticization and [Bmim]Ac removal were achieved by dynamic deionized water coagulation bath.

Cyclodextrin-Based Pickering Emulsion Significantly Increases 6-Gingerol Loading Through Two Different Mechanisms: Cyclodextrin Cavity and Pickering Core.

We previously found that host-guest interactions can drive gingerols (Gs) and cyclodextrins (CDs) together to form inclusion complexes (G/CD), which can further construct amphiphilic microcrystals and resultant Pickering emulsions through self-assembly. In this follow-up study, we explored the detailed formation processes and mechanisms of the 6-G/β-CD inclusion complex and the resultant Pickering emulsion. The influence of the 6-G/β-CD molar ratio on the structure, morphology, and loading capacity of the inclusion complex and resultant Pickering emulsion were investigated.

A lysosome-targetable multifunctional fluorescent probe based on intramolecular NHNH hydrogen bonding for detection of hypochlorite and cyanides.

The creation of a singular fluorescent probe for the detection of various analytes is crucial for comprehending the interactions among analytes in living cells. This study presents a novel multifunctional fluorescent probe, designated Lyso-Nap-Py, which utilizes distinctive intramolecular NHNH hydrogen bonding for the simultaneous detection of hypochlorite and cyanides within living cells. This probe demonstrates the ability to detect cyanides and hypochlorite, offering advantages including high selectivity, fluorescence turn-off at 638 nm, a low limit of detection, and rapid response times.

The In Situ Assembly of an Equipotential Cathode for Nitrite Enrichment Enabling Electrochemical Nitrate Reduction to N.

Electrocatalytically reducing NO to N is of great significance for environmental remediation and global nitrogen cycling. However, it is currently hindered by low N selectivity since adsorbate N-intermediates are hard to migrate and couple each other during the N-N coupling step. Herein, an in situ assembly strategy was taken to attach Pd@CuO nanoparticles with CuO nanowire arrays to form an equipotential cathode CuO-Pd@CuO, which optimized N selectivity to 91%, much higher than that of directly loaded Pd-Cu cathode (55%).

Enhancing mycophenolic acid production in Penicillium brevicompactum through Kozak-optimized 2A peptide multi-gene expression system.

Although Penicillium brevicompactum is widely used for industrial mycophenolic acid (MPA) production, research on its metabolic engineering and gene regulation remains limited. Efficient, coordinated expression of multiple genes is crucial for optimizing biosynthetic circuits and metabolic pathways, yet current strategies often suffer from inefficiencies and imbalances. These challenges not only limit the production of the desired metabolic products but can also result in wasted resources and inhibited cell growth.

Spatial pattern and heterogeneity of green view index in mountainous cities: a case study of Yuzhong district, Chongqing, China.

The Green View Index (GVI) is utilized to evaluate urban street value and ecosystem services and to gauge public perceptions of street greening. This study investigates the spatial heterogeneity of the GVI and its influencing factors in Yuzhong District, Chongqing, a mountainous city in China. Deep learning algorithms were employed to calculate the green visibility of street view images, and Geographic Weighted Regression (GWR) and the Optimal Parameter-Based Geodetector (OPGD) were utilized to analyze the relationships between GVI and factors such as road physical attributes, the Normalized Difference Vegetation Index (NDVI), and topographic features.

Impact of kdcA, pdhD, and codY gene regulation in Lactococcus lactis 408 on 3-methylbutanal formation during cheddar cheese ripening.

3-Methylbutanal, a key volatile compound contributing to the nutty flavor of cheese, was primarily produced through the microbial catabolism of leucine. This study focused on the metabolic pathway of 3-methylbutanal at the genetic level during the ripening of Cheddar cheese. The influence of key genes (kdcA, pdhD, and codY) in Lactococcus lactis 408, a specifically selected adjunct culture, on the production of 3-methylbutanal was evaluated.

Co-cultivation effects of and on the key aroma components and non-volatile metabolites in fermented jujube juice.

Fermented jujube products are gradually becoming popular. However, few studies have focused on the relationship between the metabolites and aroma compounds in jujube during the fermentation process. Hence, in this study, jujube was fermented with the co-culture of and , and the key volatile organic components (VOCs) and non-volatile organic components (nVOCs) in the fermented jujube juice (FJJ) were studied to determine the possible aromatic production pathway during microbial metabolism and propose the possibility of regulating flavor during fermentation.

Decatungstate-Driven Photocatalytic Pathways for Sustainable and Cleaner Recovery of Precious Metals.

The recovery of precious metals from waste streams is crucial for sustainable resource utilization but remains hindered by traditional methods involving high toxicity, energy consumption, and environmental pollution. Here, we present a photocatalytic strategy employing hydrothermally synthesized decatungstate ([WO]) homogeneous ion catalysts to achieve simultaneous oxidation and reduction of precious metals under ambient conditions. This innovative approach integrates solvent-controlled reaction pathways, enabling efficient dissolution and recovery of precious metals from diverse waste sources, including electronic waste (e-waste), platinum membrane electrodes, and platinum-containing catalysts.

Monitoring Tremella fuciformis submerged fermentation using ATR-MIR combined with chemometrics.

This study employed mid-infrared attenuated total reflection (ATR-MIR) spectroscopy and chemometrics to monitor the submerged fermentation process of Tremella fuciformis (T. fuciformis). It investigated the effects of four different preprocessing methods on the performance of both the qualitative identification and the quantitative prediction models.

Effects of different light intensities on lettuce growth, yield, and energy consumption optimization under uniform lighting conditions.

Vertical farming is an advanced form of modern agriculture, but it involves high energy consumption when providing supplemental lighting for crops. The research designed an automated lighting detection device and explored its application in vertical farms. It comprehensively investigated the effects of different red-blue light intensities on two lettuces ( L.

Physical activity in adolescents of different family socioeconomic status: the moderating role of gender.

Background: To investigate the association between family socioeconomic status (SES) and the physical activity (PA) levels of adolescents, as well as the moderating effect of gender on this relationship.

Methods: A total of 10,327 Chinese adolescents aged 12-17 were recruited to complete questionnaires regarding their SES and PA levels. "Physical Activity Questionnaire for Children and Adolescents Aged 7-18 Years" was utilized to examine the specific items, intensity, duration, and frequency of PA.

Optical properties and electronic structures of lithium doped double perovskite CsAgBiCl crystals.

Lead-free double perovskite CsAgBiX (X = Cl or Br), as an environmentally friendly alternative to lead-based perovskite, has recently received much attention due to its excellent optoelectronic properties and potential applications. In this study, Li doped CsAgBiCl crystals are synthesized by heat-assisted solution evaporation. The crystal structure characteristics, component analysis and optical performances are investigated experimentally.

Precision Strain Engineering in Perovskite Optoelectronics via Shock-Driven Gradient Annealing for Enhanced Stability and Light Response.

High-performance perovskite-based optoelectronic devices require low defect density and efficient charge carrier extraction to achieve optimal performance. However, residual tensile strain in perovskite films can reduce defect formation energy, negatively impacting charge mobility and increasing non-radiative recombination. This study introduces laser shock-driven gradient annealing (SDGA), a novel approach to strain management and crystallization control in perovskite films.

Mechanism and Origin of Nickel-Catalyzed Decarbonylative Construction of C(sp)-C(sp) Bonds from Carboxylic Acids and Their Derivatives.

Nickel-catalyzed arylation of carboxylic acids provides a ligand-controlled chemoselectivity-switchable method for the construction of C(sp)-C(sp) bonds. Here, we employed density functional theory to provide a detailed understanding of the mechanism and origin of nickel-catalyzed ligand-controlled carbonyl transformation. This reaction generates decarbonylation products through oxidative addition, activation of C-C bonds, decarbonylation, binding of alkyl radicals with Ni(III) complexes, and final reduction elimination step.

Cinnamaldehyde attenuates diabetic cardiomyopathy by ameliorating energy metabolism disturbance and activating autophagy.

Diabetic Cardiomyopathy (DCM) is a diabetes mellitus-induced pathophysiological condition that can lead to heart failure. Cinnamaldehyde (CA), a bioactive phytochemical derived from the bark of Cinnamon, exhibits cardioprotective properties against heart injury in metabolic syndrome. This study aims to explore the role of CA on DCM and its cardioprotective mechanisms.

Alters Phyllosphere Microbiome Diversity and Functions-Implications for Plant Health Management.

The phyllosphere represents the largest biological surface on Earth and serves as an untapped reservoir of functional microbiota. The phyllosphere microbiome has the potential to mitigate plant diseases; however, limited information exists regarding its role in maintaining plant health. In this study, metagenomic sequencing was employed to analyze the microbiomes of the adaxial and abaxial leaf surfaces of healthy (CKWT) and diseased (EWT) maize, with the aim of dissecting the influence of on phyllosphere microbiome function.

Enhanced Thermal Stability/Activity of Geobacillus jurassicus Esterase by Rational Design and Application in the Synthesis of Cinnamyl Acetate.

Geobacillus sp. represents an important source of thermophilic esterases, yet studies on the rational design and industrial application of these enzymes remain limited. In our previous research, we identified the esterase Gju768 from Geobacillus jurassicus DSMZ 15726.

Non-Invasive and Long-Term Electrophysiological Monitoring Sensors for Cerebral Organoids Differentiation.

Cerebral organoids derived from human induced pluripotent stem cells (iPSCs) have emerged as powerful in vitro models for studying human brain development and neurological disorders. Understanding the electrophysiological properties of these organoids is crucial for evaluating their functional maturity and potential applications. However, the differentiation and maturation of stem cells into cerebral organoids is a long, slow, and error-prone process.

Recent Advances in Clustered Regularly Interspaced Short Palindromic Repeats/CRISPR-Associated Proteins System-Based Biosensors.

High-sensitivity and high-specificity biodetection is critical for advancing applications in life sciences, biosafety, food safety, and environmental monitoring. CRISPR/Cas systems have emerged as transformative tools in biosensing due to their unparalleled specificity, programmability, and unique enzymatic activities. They exhibit two key cleavage behaviors: precise ON-target cleavage guided by specific protospacers, which ensures accurate target recognition, and bystander cleavage activity triggered upon target binding, which enables robust signal amplification.

Thermocouple-integrated resonant microcantilever for on-chip thermogravimetric (TG) and differential thermal analysis (DTA) dual characterization applications.

This work presents an integrated microsensor that combines the dual characterization capabilities of thermogravimetric analysis (TGA) and differential thermal analysis (DTA). We integrated two pairs of thermocouples, heating resistors, and resonant drive/detection resistors into a single microcantilever, where the cantilever resonant frequency shifts respond to the mass change and the output voltage of the integrated thermocouples respond to the sample temperature. This integration enables programmable temperature control, temperature variation, and mass detection on a single chip.

BiTiOnanosheets loaded with Rh as special cocatalysts enhancing visible-light driven water splitting activity of ZnInSnanosheets.

Cocatalysts generally serve as active sites accelerating carrier separation. However, when the hydrophilicity of photocatalyst itself is poor, the trapped electrons or holes on cocatalysts are difficult to react with reactants quickly. In this work, BiTiOnanosheets with excellent hydrophilicity was prepared and then thermally deposited Rh on their surface (BiTiO(Rh)), and finally in-suit grew ZnInSon the surface of BiTiO(Rh).