Results 51 to 60 of about 14,880 (275)

Separation of polysaccharide and protein by ionic liquid-based extraction techniques

open access: yesJournal of Ionic Liquids, 2023
Biopolymers are natural macromolecules obtained from animal, plant and microbial sources, with the potential to be used in a wide range of applications. A key process step, which is still underdeveloped, is the downstream processing.
Evelyn C. Antunes   +3 more
doaj   +1 more source

Bipyridine-porphyrin conjugates : a thesis presented in partial fulfilment of the requirements for the degree of Masterate of Science in Chemistry at Massey University [PDF]

open access: yes, 1998
The research carried out for this thesis comprises an investigation into the synthesis of bipyridyl-bridged porphyrin compounds and their metal complexes.
Allwood, Jacinda Louise
core  

Formulated plastic separators for soluble electrode cells [PDF]

open access: yes, 1979
The fabrication and milling of membranes comprising a hydrochloric acid-insoluble sheet of a mixture of a rubber and a powdered ion transport material are described. The sheet can be present as a coating upon a flexible and porous substrate.
Sheibley, D. W.
core   +1 more source

Candida albicans biofilm formation on peptide functionalized polydimethylsiloxane [PDF]

open access: yes, 2010
In order to prevent biofilm formation by Candida albicans, several cationic peptides were covalently bound to polydimethylsiloxane (PDMS). The salivary peptide histatin 5 and two synthetic variants (Dhvar 4 and Dhvar 5) were used to prepare peptide ...
Coenye, Tom   +7 more
core   +1 more source

Easier, Safer, and Greener: Unlocking the Power of Solid Reagents in Organic Reactions by Mechanochemistry

open access: yesChemistryEurope, EarlyView.
This review highlights the powerful synergy between mechanochemistry and solid reagents to replace hazardous substances traditionally used in organic synthesis. Such an approach offers a safer and more sustainable pathway for conducting organic reactions, with potential benefits in both reactivity and selectivity. The use of solid bases, acids, and gas
Adrien Gallego   +4 more
wiley   +1 more source

Synthesized Bis-Triphenyl Phosphonium-Based Nano Vesicles Have Potent and Selective Antibacterial Effects on Several Clinically Relevant Superbugs

open access: yesNanomaterials
The increasing emergence of multidrug-resistant (MDR) pathogens due to antibiotic misuse translates into obstinate infections with high morbidity and high-cost hospitalizations.
Silvana Alfei   +8 more
doaj   +1 more source

Crystalline structure and thermotropic behavior of alkyltrimethylphosphonium amphiphiles [PDF]

open access: yes, 2017
Quaternary organophosphonium salts bearing long alkyl chains are cationic surfactants of interest owing to their physical and biological properties.
Gamarra Montes, Ana   +3 more
core   +2 more sources

The Challenging P‐Alkylation of Aromatic Phosphorus Heterocycles and Follow‐Up Reactions

open access: yesChemistryEurope, EarlyView.
P‐alkylation of λ3σ2‐phosphinines is hindered by weak nucleophilicity and scarce synthetic access, previously requiring multistep routes or extreme electrophiles. A direct ambient‐condition method is reported using 3,5‐bis(trimethylsilyl)‐phosphinine/B(C6F5)3 with esters or iso(thio)cyanates to generate stable 1‐R‐phosphininium salts.
Samantha Frank   +6 more
wiley   +1 more source

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