Agricultura

 

Agricultura

Luminescent tetranuclear copper(I) and gold(I) heterobimetallic complexes: A phosphine acetylide amidinate orthogonal ligand framework for selective complexation
17/05/2024 - The synthesis of phosphine acetylide amidinate stabilized copper(I) and gold(I) heterobimetallic complexes was achieved by reacting ligand [{Ph2PC?CC(NDipp)2}Li(thf)3] (Dipp =...
Variation in Catalytic Efficacies of a 2D pH?Stable MOF by Altering Activation Methods
17/05/2024 - A chemically robust 2D MOF, IITKGP?60, has been strategically designed and developed, which showed excellent catalytic activity in three?component Strecker reaction and Knoevenagel condensation...
Effects of water extract from Nasturtium officinale R. Br. straw on growth and selenium uptake of peach seedlings
17/05/2024 - The content of selenium (Se) in most horticultural crops is low. To improve Se uptake in fruit trees, we investigated the impact of water extract derived from Nasturtium officinale R. Br. straw on...
Is it healthy urban agriculture? Human exposure to potentially toxic elements in urban gardens from Andalusia, Spain
15/05/2024 - Different vegetable species and topsoils were collected from different urban gardens of Seville, Cordoba, and Huelva (South Spain) and from two small towns in a mining area (Riotinto), together...
Novel Aryl Thioamides Derivatives as Insect Growth Regulators Analogues against Spodoptera littoralis(Lepidoptera: Noctuidae): Design, Synthesis, Insecticidal Activity and Biochemical Impacts
11/05/2024 - A significant reason for developing innovative insecticidal active agents is the exponential rise in resistance to traditional chemical pesticides. Exploring new classes of insecticidal compounds...
One?Pot Synthesis of Nanoflower?Like Zn2SnS4 as Nanozymes for Highly Sensitive Electrochemical Detection of H2O2 Released by Living Cells
10/05/2024 - Zn2SnS4 nanoflowers with high uniformity and a large surface area were synthesized using a facile one?pot hydrothermal method without the use of any template precursors. Utilizing macrophages...
Gold(I)?Catalyzed Regioselective Synthesis of Indenylidene Derivatives via 1,5?Acryl Migration
07/05/2024 - A novel gold (I)?catalyzed synthetic strategy has been achieved for an efficient construction of indenylidene derivatives from substituted 1,6?diynes. This reaction describes the unique reactivity of...
Synthesis of ??aryl?oxindoles via Grignard reaction with isatin in the presence of diphenyl phosphite
03/05/2024 - A protocol has been developed for the synthesis of ??aryl?oxindoles from isatin and Grignard reagents in the presence of diphenyl phosphite for the first time. This reaction was conveniently carried...
Visible Light?Catalyzed Reactions of Polysulfide (DBSPS) with Aryldiazonium
27/04/2024 - We developed a radical coupling reaction between aryldiazonium and polysulfide reagents (DBSPS) catalyzed by visible light to form asymmetric thiosulfonates. Different from the previously reported...
Superabsorbent Seed Coating and Its Impact on Fungicide Efficacy in a Combined Treatment of Barley Seeds
29/04/2024 - The technology of seed coating with superabsorbent polymer (SAP) has the potential to mitigate the negative impact of drought on seed germination and crop establishment. However, their application on...
Garden-variety fungus is an expert at environmental clean-ups
25/04/2024 - The common fungus Aspergillus niger removes both heavy metals and organic pollutants from its surroundings. The common fungus Aspergillus niger removes both heavy metals and organic pollutants from...
Effect of functional fillers in solvent?free polyurethane adhesives: Processing and characterization
27/04/2024 - Functional fillers integration in lamination process to manufacture multilayer plastic films prototypes.The present work is focused on the study of polyurethane adhesives in the presence of...
One?pot synthesis of aluminum phosphate?supported, chitosan?linked expandable graphite as a novel flame retardant for textile
24/04/2024 - The distribution of spray?dried cellulose nanocrystal particles in polypropylene can be probed by water absorption and the crystallization behaviors of the composites.AbstractUnderstanding the...
One?pot preparation of nanoparticles via self?assembly of sodium lignosulfonate and quaternary ammonium for controlled release of emamectin benzoate
24/04/2024 - Ideas for 3D h?BN/EP composite preparation.AbstractIn this work, a technique for constructing a three?dimensional (3D) skeleton of hexagonal boron nitride (h?BN) using sugar as the fulcrum and...
Synergistic effects of in situ fibrillated polytetrafluoroethylene and polystyrene–butadiene block on the microcellular foaming behaviors of polyphenylene oxide modified by high?impact polystyrene
24/04/2024 - Flame?retardant mechanism of transparent and toughened EP.AbstractCurrently, the flame retardancy of epoxy resin (EP) was achieved at the expenses of the transparency and/or toughness. In the present...
Genetic Characterization of Gardenia jasminoides Ellis Genotypes Derived from Seeds and Selection Based on Their Morphological Traits and Flower Aromatic Substances
23/04/2024 - Gardenia jasminoides Ellis is an evergreen shrub with white fragrant flowers, and it is cultivated for its ornamental, aromatic and medicinal value. The present study aimed to select desirable...
Distinguishing Quasiparticle-Phonon Interactions by Ultrahigh-Resolution Lifetime Measurements
- We present a determination of quasiparticle-phonon interaction strengths at surfaces through measurements of phonon spectra with ultrahigh energy resolution. The lifetimes of low energy surface...
AuNP/MIL?88B?NH2 Nanocomposite for the Valorization of Nitroarene by Green Catalytic Hydrogenation
17/04/2024 - This work presents the in?situ formation of small gold nanoparticles inside the iron carboxylate metal organic framework MIL?88B?NH2. The resulting nanocomposite was tested in the hydrogenation of...
Biodegradability and Water Absorption of Macadamia Nutshell Powder-Reinforced Poly(lactic Acid) Biocomposites
09/04/2024 - This study investigates the biodegradability and water absorption properties of Macadamia nutshell powder and poly(lactic acid) (PLA) biocomposites using a Design of Experiments (DOE) approach. The...
Multiresidue analysis of bat guano using GC-MS/MS
- Bats are the second largest mammalian order and are an endangered species group with a strong need for contamination monitoring. To facilitate non-invasive monitoring of the ecological burden in...
Eight?Electron Copper Nanoclusters for Photothermal Conversion
02/04/2024 - Atomically precise Cu54 nanoclusters with eight free valence electrons have been prepared, characterized, and structurally determined. The clusters show high performance in the field of photothermal...