Synergistic Modulation of Orientation and Steric Hindrance Induced by Alkyl Chain Length in Ammonium Salt Passivator Toward High‐performance Inverted Perovskite Solar Cells and Modules
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Materials"
DOI: 10.1002/adma.202413304
Abstract: Organic ammonium salts are extensively utilized for passivating surface defects in perovskite films to mitigate trap‐assisted nonradiative recombination. However, the influence of alkyl chain length on the molecular orientation and spatial steric hindrance of ammonium… read more here.
Keywords: orientation; chain length; ammonium; steric hindrance ... See more keywords
Interfacial Passivation for Enhanced Moisture Stability of Perovskite Solar Cells: Ammonium or Sulfonium?
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Materials Interfaces"
DOI: 10.1002/admi.202400956
Abstract: Following the remarkable advances in the performance of metal halide perovskite solar cells, recent research efforts have focused more on enhancing their long‐term stability. Among the various factors that impact the device's lifetime, humidity‐driven degradation… read more here.
Keywords: sulfonium; interfacial passivation; stability; solar cells ... See more keywords
Antimicrobial polyurethane foams having cationic ammonium groups
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DOI: 10.1002/app.45473
Abstract: Polyurethane foams were prepared by using functional quaternary ammonium monomers to endow the porous materials with antimicrobial properties. For this purpose, tri- and tetra-hydroxyl functional quaternary ammonium compounds were synthesized and used as a triol… read more here.
Keywords: polyurethane; polyurethane foams; ammonium; quaternary ammonium ... See more keywords
One‐pot preparation of nanoparticles via self‐assembly of sodium lignosulfonate and quaternary ammonium for controlled release of emamectin benzoate
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Applied Polymer Science"
DOI: 10.1002/app.55621
Abstract: Nanoformulation was an important strategy to reduce the use of pesticides and the impacts on the environment. However, complex process and high cost hurdled the application in agriculture. In this work, sodium lignosulfonate (SL) and… read more here.
Keywords: sodium lignosulfonate; release; one pot; emamectin benzoate ... See more keywords
An integrated modular framework for modeling the effect of ammonium on the sialylation process of monoclonal antibodies produced by CHO cells
Sign Up to like & getrecommendations! Published in 2021 at "Biotechnology Journal"
DOI: 10.1002/biot.202100019
Abstract: Monoclonal antibodies (mABs) have emerged as one of the most important therapeutic recombinant proteins in the pharmaceutical industry. Their immunogenicity and therapeutic efficacy are influenced by post‐translational modifications, specifically the glycosylation process. Bioprocess conditions can… read more here.
Keywords: integrated modular; modular framework; monoclonal antibodies; process ... See more keywords
Analysis of the Destabilization of Bacterial Membranes by Quaternary Ammonium Compounds: A Combined Experimental and Computational Study
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DOI: 10.1002/cbic.201900698
Abstract: The mechanism of action of quaternary ammonium compound (QAC) antiseptics has long been assumed to be straightforward membrane disruption, although the process of approaching and entering the membrane has little modeling precedent. Furthermore, questions have… read more here.
Keywords: analysis; destabilization; ammonium compounds; ammonium ... See more keywords
Pd/C Catalyzed Cascade Synthesis of 2‐Arylquinazolinones from 2‐Iodoacetanilides Employing Ammonia and CO Precursors
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DOI: 10.1002/cctc.202100152
Abstract: An efficient and straightforward approach has been demonstrated for 2‐aryl quinazolinones synthesis from 2‐iodoacetanilides using ammonium carbamate/ammonium carbonate and oxalic acid under heterogeneous Pd/C catalyzed conditions. Herein, we have carried out the reactions employing oxalic… read more here.
Keywords: synthesis arylquinazolinones; arylquinazolinones iodoacetanilides; cascade synthesis; ammonium ... See more keywords
Nonclassical ammonium ions as intermediates in cinchona alkaloid rearrangements?
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DOI: 10.1002/chir.23188
Abstract: The classical/nonclassical nature of cationic ammonium intermediates proposed to be involved in cinchona alkaloid solvolysis and related reactions is investigated. While these intermediates are found to possess highly distorted geometries in which the central nitrogen… read more here.
Keywords: ammonium ions; cinchona alkaloid; nonclassical ammonium; ammonium ... See more keywords
Chimeric Amphiphilic Disinfectants: Quaternary Ammonium/Quaternary Phosphonium Hybrid Structures
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DOI: 10.1002/cmdc.202300718
Abstract: Cationic biocides play a crucial role in the disinfection of domestic and healthcare surfaces. Due to the rise of bacterial resistance towards common cationic disinfectants like quaternary ammonium compounds (QACs), the development of novel actives… read more here.
Keywords: amphiphilic disinfectants; ammonium; quaternary ammonium; chimeric amphiphilic ... See more keywords
Novel lipid-based quaternary ammonium sophorolipid amphiphiles with antimicrobial and transfection activities.
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DOI: 10.1002/cssc.201900721
Abstract: Twelve new quaternary ammonium sophorolipids with long alkyl chains on the nitrogen atom were synthesized starting from oleic and petroselinic acid based sophorolipids. These novel derivatives were evaluated for their antimicrobial activity against selected Gram-negative… read more here.
Keywords: novel lipid; antimicrobial transfection; ammonium; ammonium sophorolipids ... See more keywords
A High-Rate and Long-Life Aqueous Rechargeable Ammonium Zinc Hybrid Battery.
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DOI: 10.1002/cssc.201901622
Abstract: Unlike the traditional metal-ion insertion, the emerging aqueous rechargeable ammonium ion batteries (ARABs) brings new battery chemistries for future stationary energy storage. However, low energy density and low durability hinder the further development of ARABs… read more here.
Keywords: rechargeable ammonium; ammonium zinc; aqueous rechargeable; ammonium ... See more keywords