Peroxymonosulfate activated M-MOF-74 (M = Co, Fe, Ni) visible light photocatalysts for methylene blue degradation enhancement.

Persulphate-based advanced oxidation technology efficiently and cost-effectively removes organic dyes from water but designing stable photocatalytic systems and understanding their reaction mechanisms remain key challenges. Metal-organic frameworks (MOFs) have attracted considerable research attention for degrading organic pollutants owing to their high porosity, tunable structure, and ease of modification. In this study, a series of M-MOF-74 (M = Co, Fe, Ni) photocatalysts are synthesized by a hydrothermal method for methylene blue (MB) degradation.

Multicolor Persistent Luminescence for High-Sensitivity Optical Temperature Sensing, Human Motion Detection, and Multimodal Anticounterfeiting Materials.

Multimodal luminescent materials are widely used in noncontact temperature sensors and fluorescent dynamic anticounterfeiting due to their visible dynamic persistent luminescence and fast optical signal response. To this end, CaYGaO: 0.01 Bi; CaYGaO: 0.

Efficient removal of cationic malachite green using co-pyrolyzed corn straw biochar-montmorillonite composites.

New efficient and sustainable methods for the removal of malachite green (MG) from environmental media are needed. In this study, corn straw was co-pyrolyzed with montmorillonite under a variety of conditions (400, 500, 600, and 700 °C and 10-40 wt% montmorillonite), without any use of toxic chemicals, to produce a series of biochar-clay composites. Characteristics of the composites that make them promising contaminant sorbents include a uniform lamellar-particle micromorphology, enhanced mesoporous structure and surface area (53.

Efficient removal of aqueous ciprofloxacin antibiotic by ZnO/CuO-bentonite composites synthesized via carbon-bed pyrolysis of bentonite and metal co-precipitation.

Antibiotics are of emerging concern due to their widespread use, lack of adequate treatment, and for their potential to threaten human health and the environment. Here, a facile fabrication approach for synthesizing ZnO/CuO-bentonite composites was investigated via carbon-bed pyrolysis of bentonite followed by ZnO/CuO co-precipitation. Sorbents were synthesized using a range of bentonite pyrolysis temperatures, metal oxide contents, and ZnO:CuO mass ratios.

Vehicle Lane-Changing scenario generation using time-series generative adversarial networks with an Adaptative parameter optimization strategy.

Connected and automated vehicles (CAVs) hold promise for enhancing transportation safety and efficiency. However, their large-scale deployment necessitates rigorous testing across diverse driving scenarios to ensure safety performance. In order to address two challenges of test scenario diversity and comprehensive evaluation, this study proposes a vehicle lane-changing scenario generation method based on a time-series generative adversarial network (TimeGAN) with an adaptive parameter optimization strategy (APOS).

Innovative On-DNA Synthesis of Sulfides and Sulfoximines: Enriching the DEL Synthesis Toolbox.

DNA-encoded library (DEL) technologies enable the fast exploration of gigantic chemical space to identify ligands for the target protein of interest and have become a powerful hit finding tool for drug discovery projects. However, amenable DEL chemistry is restricted to a handful of reactions, limiting the creativity of drug hunters. Here, we describe a new on-DNA synthetic pathway to access sulfides and sulfoximines.

Development of on-DNA Formation of Benzofuran for DNA-Encoded Library Synthesis.

Using a novel homologation-heterocyclization cascade, the on-DNA synthesis of benzofurans from aldehydes has been developed. The methodology, based on an innovative use of the Seyferth-Gilbert homologation, followed by a high yielding Sonogashira coupling in situ intramolecular cyclization one-pot, two-step reaction, provides a powerful and unique pathway for DNA-encoded library (DEL) synthesis of a wide array of pharmaceutically relevant benzofuran-based scaffolds.

A novel single-phase color tunable LiYGeO:Dy, Eu phosphor exhibiting warm white light and excellent thermal stability.

LiYGeO phosphors doped with Dy and Eu ions were synthesized using the solid phase method, and their color characteristics were adjustable. The bandgap value of LiYGeO calculated by diffuse reflection data is very close to the theoretical value of 3.669 eV, indicating that LiYGeO is an ideal candidate for doped rare earth activated ions.

Garnet Structure-Activated Warm White Light Phosphors CaAlGeO: Dy, Eu with Ultrahigh Thermal Stability and Tunable Luminescence.

A series of CaAlGeO: Dy, Eu phosphors were successfully prepared by the high-temperature solid-phase method. The phase and morphology of the phosphors were studied by means of Rietveld refinement and scanning electron microscopy. The results show that the phase is pure, and the crystal structure is the 3̅ space group.

Constructive on-DNA Thiol Aerial Oxidization for DNA-Encoded Library Synthesis.

A novel on-DNA oxidative disulfide formation method has been developed. Under ambient conditions, the methodology showcased wide applicability and swift implementation in routine DNA-encoded library synthesis to access pharmaceutically relevant motifs.

Development of On-DNA Thiophene Synthesis for DEL Construction.

Thiophene and its substituted derivatives are a highly important class of heterocyclic compounds, with noteworthy applications in pharmaceutical ingredients. In this study, we leverage the unique reactivity of alkynes to generate thiophenes on-DNA, using a cascade iodination, Cadiot-Chodkiewicz coupling and heterocyclization. This approach, tackling on-DNA thiophene synthesis for the first time, generates diverse, and unprecedented structural and chemical features, which could be significant motifs in DEL screening as molecular recognition agents for drug discovery.

Constructive On-DNA Abramov Reaction and Pudovik Reaction for DEL Synthesis.

Organophosphonic compounds are distinctive among natural products in terms of stability and mimicry. Numerous synthetic organophosphonic compounds, including pamidronic acid, fosmidromycin, and zoledronic acid, are approved drugs. DNA encoded library technology (DELT) is a well-established platform for identifying small molecule recognition to target protein of interest (POI).

Silica-based mesoporous ion-imprinted fluorescent sensors for the detection of Pbin aqueous environments.

In this work, an environment-friendly core-shell material based on CDs@SiOas the core and mesoporous ion-imprinted layer as the shell was reported. As a highly sensitive and accurate fluorescent sensor for the detection of Pbin environmental water, the composition combined ion imprinting technology with quantum dots to selectively quench the fluorescence of CDs by metal coordination in the presence of Pb, and the visual change of gradually weakening blue color could be observed by the naked eye for visual detection. The mesoporous structure significantly improved the detection recognition rate of CDs@SiO@MIIPs.

Kinugasa Reaction for DNA-Encoded β-Lactam Library Synthesis.

β-Lactam antibiotics are one of the most important antibacterial drug classes worldwide. This work will present the first prototype on-DNA β-lactam combinatorial library with novel structures and chemical space properties that would be significant for phenotypic screening to identify the next generation of antibiotics to combat the pervasive problem of bacterial resistance.

Antimony Nanoparticles Encapsulated in Self-Supported Organic Carbon with a Polymer Network for High-Performance Lithium-Ion Batteries Anode.

Antimony (Sb) demonstrates ascendant reactive activation with lithium ions thanks to its distinctive puckered layer structure. Compared with graphite, Sb can reach a considerable theoretical specific capacity of 660 mAh g by constituting LiSb safer reaction potential. Hereupon, with a self-supported organic carbon as a three-dimensional polymer network structure, Sb/carbon (3DPNS-Sb/C) composites were produced through a hydrothermal reaction channel followed by a heat disposal operation.

Cu/Cu S-Embedded N,S-Doped Porous Carbon Derived in Situ from a MOF Designed for Efficient Catalysis.

The reasonable design of the precursor of a carbon-based nanocatalyst is an important pathway to improve catalytic performance. In this study, a simple solvothermal method was used to synthesize [Cu(TPT)(2,5-tdc)] ⋅ 2H O (Cu-MOF), which contains N and S atoms, in one step. Further in-situ carbonization of the Cu-MOF as the precursor was used to synthesize Cu/Cu S-embedded N,S-doped porous carbon (Cu/Cu S/NSC) composites.

HKUST-1 modified ultrastability cellulose/chitosan composite aerogel for highly efficient removal of methylene blue.

A novel composite HKUST-1/cellulose/chitosan aerogel (HKUST-1/CCSA) as an efficient adsorbent with hierarchical pores was prepared through a facile in situ growth way combining covalent cross-linking, vacuum freeze-drying, and solvothermal methods. By incorporating with cellulose (CE), covalently cross-linked cellulose (CE)/chitosan (CS) composite aerogel exhibits good stability, maintaining fine morphology and structures in acidic solutions under solvothermal conditions. Meantime, a high content of CS is beneficial to enhancing the growth of HKUST-1.

Synthesis of a Magnetic 2D Co@NC-600 Material by Designing a MOF Precursor for Efficient Catalytic Reduction of Water Pollutants.

2D metal-organic framework (MOFs) can be ideal sacrificial templates for fabricating nanomaterials because of active sites exposed on the surface rather than in pores and channels, often exhibiting improved performance in catalysis applications. In this study, the novel 2D layered cobalt-based MOF [Co(TPT)(fma)(HO)]·3HO () has been constructed by the selection of high N atom content ligands. On this basis, a 2D nitrogen-doped carbon-coated cobalt nanoparticle composite (Co@NC) was prepared by using this MOF as a precursor.

Polyaniline as interface layers promoting the in-situ growth of zeolite imidazole skeleton on regenerated cellulose aerogel for efficient removal of tetracycline.

Antibiotics as newly emerging organic pollutants are arousing more and more serious environmental issues. Meantime, metal-organic frameworks (MOFs) are considered as promising adsorbents to remove antibiotics. To overcome the limitations of large-scale applications for MOFs in the powder form, herein, we proposed a strategy of in-situ growth ZIF-67 onto polyaniline (PANI) modified regenerated cellulose aerogel (RCA).

Covalently crosslinked zirconium-based metal-organic framework aerogel monolith with ultralow-density and highly efficient Pb(II) removal.

Composites of MOFs and aerogels (MOFACs), as a new class of nanostructured materials, attract increasing attention due to their favorable adsorption properties. Herein, UiO-66-NH-CS aerogel monolith (UNCAM) was synthesized by covalent crosslinking with hierarchical structure, exhibiting effective and stable adsorption of Pb(II) ions. The aerogel monolith containing 50% MOF particles possesses a ultra-low density of 15.

[Effects of Eucalyptus grandis leaf litter decomposition on the growth and photosynthetic characteristics of Cichorium intybus].

A pot experiment was conducted to study the effects of Eucalyptus grandis leaf litter during its early stage decomposition on the growth and the photosynthesis of Cichorium intybus. Each pot contained 12 kg soil mixed with different amounts of E. grandis leaf litter (30 g x pot(-1), A1; 60 g x pot(-1), A2; 90 g x pot(-1), A3; and 0 g x pot(-1), CK), and sowed with C.

Identification and molecular characterization of two novel mutations in COL1A2 in two Chinese families with osteogenesis imperfecta.

Osteogenesis imperfecta (OI, also known as brittle bone disease) is caused mostly by mutations in two type I collagen genes, COL1A1 and COL1A2 encoding the pro-α1 (I) and pro-α2 (I) chains of type I collagen, respectively. Two Chinese families with autosomal dominant OI were identified and characterized. Linkage analysis revealed linkage of both families to COL1A2 on chromosome 7q21.

[Spectroscopic analysis of Nd:GGG laser crystal].

Neodymium-doped gadolinium gallium garnet (Nd:GGG)crystal is the best operation material of solid-state heat-capacity laser. In the present paper, Nd:GGG single crystal was grown by Czochralski (Cz) method. Fluorescence spectra and absorption spectra were measured.

[Study on crystal growth and vibrational spectra of Yb(x) : KY(1-x) (WO4)2].

Yb(x) : KY(1-x)W (x = 0.05)and KYbW crystals were grown by TSSG method. Both of the structure and spectral properties were compared.