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Advanced room-temperature cured encapsulant film for crystalline silicon solar modules: enhancing efficiency with luminescent down-shifting, flame retardancy, and UV resistance.
Mater Horiz
January 2025
State Key Laboratory of Organic-Inorganic Composites, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China.
Solar energy sources have garnered significant attention as a renewable energy option. Despite this, the practical power conversion efficiency (PCE) of widely used silicon-based solar cells remains low due to inefficient light utilization. In this study, carbon dots (APCDs) were prepared a hydrothermal method using ammonium polyphosphate and -phenylenediamine, then incorporated into a silicone-acrylic emulsion (CAS) to create a luminescent down-shifting (LDS) layer for solar cells.
View Article and Find Full Text PDFStructural Insights into Broad-Range Polyphosphate Kinase 2‑II Enzymes Applicable for Pyrimidine Nucleoside Diphosphate Synthesis.
Chembiochem
January 2025
University of Freiburg: Albert-Ludwigs-Universitat Freiburg, Institute of Pharmaceutical Sciences, Albertstr. 25, 79104, Freiburg, GERMANY.
Polyphosphate kinases (PPK) play crucial roles in various biological processes, including energy storage and stress responses, through their interaction with inorganic polyphosphate (polyP) and the intracellular nucleotide pool. Members of the PPK family 2 (PPK2s) catalyse polyP‑consuming phosphorylation of nucleotides. In this study, we characterised two PPK2 enzymes from Bacillus cereus (BcPPK2) and Lysinibacillus fusiformis (LfPPK2) to investigate their substrate specificity and potential for selective nucleotide synthesis.
View Article and Find Full Text PDFA framework for understanding and investigating polyphosphate-protein interactions.
Biochem Soc Trans
January 2025
Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, Ontario, Canada.
Many prokaryotic and eukaryotic cells store inorganic phosphate in the form of polymers called polyphosphate (polyP). There has been an explosion of interest in polyP over the past decade, in part due to newly suggested roles related to diverse aspects of human health. The physical interaction of polyP chains with specific proteins has been proposed to regulate cellular homeostasis and modulate signaling pathways in response to environmental changes.
View Article and Find Full Text PDFDifferential effects of endo- and exopolyphosphatase expression on the induction of the mitochondrial permeability transition pore.
Biochim Biophys Acta Biomembr
January 2025
Department of Molecular Pathobiology, New York University, New York, NY, USA. Electronic address:
Inorganic polyphosphate (polyP) is a polymer that consists of a series of orthophosphates connected by high-energy phosphoanhydride bonds, like those found in ATP. In mammalian mitochondria, polyP has been linked to the activation of the mitochondrial permeability transition pore (mPTP). However, the details of this process are not completely understood.
View Article and Find Full Text PDFLignosulfonate-based deflocculant and its derivatives for water-based drilling mud: A review.
Int J Biol Macromol
January 2025
Department of Petroleum and Gas Engineering Technology, Federal Polytechnic of Oil and Gas, Bonny-island, PMB 5027, Rivers State, Nigeria.
Chromium-based lignosulfonate (CrLS) deflocculants that are commonly used in water-based drilling muds (WBDMs) to deflocculate bentonites under high temperature (HT), high-pressure (HP), and high-salinity (HS) oil well drilling conditions have been found to contain heavy metals such as chromium, which is toxic and degrades rapidly. However, different ways of addressing this issue have been proffered, including the use of natural polymers such as starch, cellulose, or anionic inorganic agents such as sodium polyphosphates with little or no impact. Other lignosulfonate (LS)-based deflocculants, like sodium-based LS and bio-based LS, have shown a number of benefits, such as being better for the environment, more soluble and evenly distributed in WBDMs, more resistant to salt contamination, easily biodegradable, safe, and able to go through different chemical changes.
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