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Tetradesmus obliquus-mediated Platinum Nanoparticles: Sustainable Approach, Molecular Docking and Antibacterial Assessment.
Microb Pathog
January 2025
Department of Chemistry, Seth Kesarimal Porwal College, Kamptee, R.T.M. Nagpur University Nagpur, 441001, India. Electronic address:
Microalgae are a valuable source of renewable biomass that contains lipids, proteins, and bioactive compounds. It is a promising sustainable candidate for green synthesis of nanomaterials (NMs). The present work announces a novel biogenic approach for synthesis of platinum nanoparticles (Pt NPs) employing Tetradesmus obliquus (green microalgae) as a green reducer and surfactant.
View Article and Find Full Text PDFA new diterpenoid, carneadiol, isolated from Nocardia carnea IFM 12324.
J Nat Med
January 2025
Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, 260-8675, Japan.
A new diterpenoid, carneadiol (1), with an unprecedented tricyclic carbon skeleton, was isolated from the culture extracts of Nocardia carnea IFM 12324. The structure of compound 1 was elucidated using spectral studies, including various NMR data. The absolute configuration of 1 was determined using X-ray crystallographic analysis with the crystalline sponge method.
View Article and Find Full Text PDFDevelopment of electrospun whey protein isolate nanofiber mat for omega-3 nanoencapsulation: Microstructural and physical property analysis.
Int J Biol Macromol
January 2025
Department of Food Science and Technology, Sari Agricultural Science and Natural Resources University, PO BOX 578, Sari, Mazandaran, Iran.
This study aimed to develop bead-free nanofibers for effective omega-3 encapsulation using optimal mixing ratios of whey protein isolate (WPI)/polyvinyl alcohol (PVA) blends via electrospinning method. Various WPI-PVA ratios (100:0, 90:10, 80:20, 70:30, 60:40, 50:50 v/v) were examined for surface tension, viscosity, and conductivity. SEM images revealed uneven nanofibers with bead at 90:10 and 80:20 ratios, while the 70:30 ratio produced uniform and bead-free nanofibers with an average diameter of 262.
View Article and Find Full Text PDFEffects of isolation methods on physicochemical properties of defatted starch from the acorn (Quercus brantii).
Int J Biol Macromol
January 2025
Department of Food Science and Technology, College of Agriculture, Isfahan University of Technology, Isfahan 84156-83111, Iran; ONIRIS - GEPEA (UMR CNRS 6144), Site de la Géraudière CS 82225, 44322, Nantes cedex 3, France.
This study explores the innovative combined effects of alkaline isolation with ultrasound pretreatment on the physicochemical properties of acorn (Quercus brantii) starch. The optimal pH for maximizing the yield of alkaline-isolated acorn starch (AAS) was determined, followed by comparison with alkaline-isolated defatted acorn starch (ADAS), ultrasound-pretreated acorn starch (UAS), and ultrasound-pretreated defatted acorn starch (UDAS). The results demonstrated substantial improvements in yield and purity, with the highest yield (68.
View Article and Find Full Text PDF2,4-Dichlorophenoxyacetic Acid in the Gas and Crystal Phases and Its Intercalation in Montmorillonite-An Experimental and Theoretical Study.
Molecules
January 2025
Instituto Andaluz de Ciencias de la Tierra (IACT-CSIC), Consejo Superior de Investigaciones Científicas, Av. de las Palmeras 4, 18100 Armilla, Granada, Spain.
Many properties of 2,4-dichlorophenoxyacetic acid (2,4-D) depend on its molecular environment, such as whether it is an isolated molecule, a dimer, or in a crystalline state. The molecular geometry, conformational analysis, and vibrational spectrum of 2,4-D were theoretically calculated using Density Functional Theory (DFT) methods. A new slightly more stable conformer was found, which is different to those previously reported.
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