Results 41 to 50 of about 78,150 (329)

Quaternary Ammonium Leucine-Based Surfactants: The Effect of a Benzyl Group on Physicochemical Properties and Antimicrobial Activity

Pharmaceutics, 2019
Quaternary ammonium amphiphiles are a class of compounds with a wide range of commercial and industrial uses. In the pharmaceutical field, the most common quaternary ammonium surfactant is benzalkonium chloride (BAC), which is employed as a preservative ...
Diego Romano Perinelli, Dezemona Petrelli, Luca Agostino Vitali, Giulia Bonacucina, Marco Cespi, Driton Vllasaliu, Gianfabio Giorgioni, Giovanni Filippo Palmieri   +7 more
doaj   +1 more source

The discovery of potent, selective, and reversible inhibitors of the house dust mite peptidase allergen Der p 1: an innovative approach to the treatment of allergic asthma. [PDF]

, 2014
Blocking the bioactivity of allergens is conceptually attractive as a small-molecule therapy for allergic diseases but has not been attempted previously.
Anandan C., Arbes S. J., Asokananthan N., Billson J., Boyd M. J., Brown A., Brown A. D., Chan W. C., Chen J. C., Clive Robinson, Comoy E. E., David R. Garrod, Fattouh R., Gary K. Newton, Gelber L. E., Gough L., Jahnsen F. L., Jie Chen, Jihui Zhang, Jonathan P. Richardson, Kerry Jenkins, King C., Liu H., Marcaccini S., Mark R. Stewart, Meriel R. Major, Milan D. S., Moffatt M. F., Möller G. M., Nicola J. Francis-Newton, Peat J. K., Peat J. K., Pei Lai, Pichavant M., Platts-Mills T. A., Platts-Mills T. A., Platts-Mills T. A. E., Platts-Mills T. A. E., Prefontaine D., Purello-D’Ambrosia F., Rebekah E. Key, Robinson C., Silvestri M., Smith J. M., Sporik R., Squillace S. P., Steven M. Lloyd, Stewart G. A., Stuart Firth-Clark, Takai T., Trevor R. Perrior, Wan H., Ying S., Zhang J., Zhang J., Zhang J., Zhang J.   +56 more
core   +2 more sources

Synthesis, characterization, and bioactivity of rosin quaternary ammonium salt derivatives [PDF]

BioResources, 2013
Two series of rosin quaternary ammonium salts (QAS) were synthesized using the same path. The structure of the target products was characterized by HPLC, MS, IR, and 1HNMR, and the bioactivity was determined by filter paper method using Trametes ...
Tao Liang, Yuanyuan Zhang, Shujun Li, Thi Thanh Hien Nguyen   +3 more
doaj  

Process for purification of waste water produced by a Kraft process pulp and paper mill [PDF]

, 1979
The water from paper and pulp wastes obtained from a mill using the Kraft process is purified by precipitating lignins and lignin derivatives from the waste stream with quaternary ammonium compounds, removing other impurities by activated carbon produced
Humphrey, M. F.
core   +1 more source

An improved dental composite with potent antibacterial function [PDF]

, 2019
A new BisGMA-based antibacterial dental composite has been formulated and evaluated. Compressive strength and bacterial viability were utilized to evaluate the formed composites.
Almousa, Rashed, Anderson, Gregory G., Wen, Xin, Xie, Dong   +3 more
core   +1 more source

Is Young's Modulus a Critical Coating Property Determining Fouling‐Release Performance of Marine Coatings?

Advanced Engineering Materials, EarlyView.
The release of foulers from protective marine coatings is determined by several interrelated material properties, including the strength of Young's modulus, the flexibility of chain segments, the surface free energy, and the magnitude of hydrodynamic stress.
Johann C. Schaal, Andreas Brinkmann, Andreas Hartwig   +2 more
wiley   +1 more source

Graphene-based dental adhesive with anti-biofilm activity [PDF]

, 2017
BACKGROUND: Secondary caries are considered the main cause of dental restoration failure. In this context, anti-biofilm and bactericidal properties are desired in dental materials against pathogens such as Streptococcus mutans.
Bossù, Maurizio, Bregnocchi, Agnese, Cavallini, Domenico, De Angelis, Francesca, De Bellis, Giovanni, Ierardo, Gaetano, Marra, Fabrizio, Polimeni, Antonella, Sarto, Maria Sabrina, Uccelletti, Daniela, Zanni, Elena   +10 more
core   +1 more source

Recent Advancements in Bulk Processing of Rare‐Earth‐Free Hard Magnetic Materials and Related Multiscale Simulations

Advanced Engineering Materials, EarlyView.
This article provides an overview of recent advancements in bulk processing of rare‐earth‐free hard magnetic materials. It also addresses related simulation approaches at different scales. The research on rare‐earth‐free magnetic materials has increased significantly in recent years, driven by supply chain issues, environmental and social concerns, and
Daniel Scheiber, Andrea Bachmaier
wiley   +1 more source

The Hormetic Effect Observed for Benzalkonium Chloride and Didecyldimethylammonium Chloride in Serratia sp. HRI

Microorganisms, 2023
Hormesis, or the hormetic effect, is a dose- or concentration-dependent response characterised by growth stimulation at low concentrations and inhibition at high concentrations.
Samantha J. McCarlie, Laurinda Steyn, Louis L. du Preez, Charlotte E. Boucher, Julio Castillo Hernandez, Robert R. Bragg   +5 more
doaj   +1 more source

The Synthesis and Evaluation of Layered Zirconium Phosphate and Aluminium Phosphate Intercalated by Quaternary Ammonium Ions [PDF]

, 1999
The layered phosphates, mainly represented as MIV(HPO4)2·nH2O (M：metal ion), are the compounds which have the layered crystal structures. The layered phosphates have a lot of advantages such as high selectivity, and high stability against the strong acid
Hayama Masaki, Shibata Junji, 芝田 隼次, 葉山 正樹   +3 more
core   +1 more source