Pyocyanin, a redox-active secondary metabolite produced by Pseudomonas aeruginosa, serves as crucial virulence factor. Detection and quantification of pyocyanin can aid early diagnosis infection. A selective sensitive molecularly imprinted electrochemical sensor was constructed using green polymerization technique to deposit an ultrathin polydopamine film on electrode modified with gold nanoparticles chitosan. Target recognition facilitated specific binding sites within the polymer matrix...

It’s known that hydropurification process of diesel fuels leads to elimination sulfur-, nitrogen- and oxygen-containing compounds in their composition causes a violation chemical stability, compensated by the use additives. Heteroatom-containing phenol alkylphenol-formaldehyde oligomers are widely studied as effective multifunctional additives for oils. Imidazolinaminemodified oxyethylated nonylphenol-formaldehyde were fuel It was established addition imidazolinamine-modified...

Cellulose nanofibrils were produced from P. radiata kraft pulp fibers. The nanofibrillation was facilitated by applying 2,2,6,6-tetramethylpiperidinyl-1-oxyl-mediated oxidation as pretreatment. oxidized cross-linked with polyethyleneimine and poly N-isopropylacrylamide-co-allylamine-co-methylenebisacrylamide particles frozen to form cryo-structured gels. Samples of the gels critical-point dried, corresponding structures assessed scanning electron microscopy. It appears that aldehyde groups...

Macroporous cryogels for capturing cisplatin were synthesized by cryogelation polymerization of methacrylic acid and 2-hydroxyethyl metacrylate. The cryogel materials exhibited good mechanical property, high swelling ratio affinity cisplatin, with an adsorption capacity up to 150 mg per gram cryogel. correlation between the monomer composition in material was investigated this study. physical chemical properties studied detail using scanning electron microscopy, textural analysis infrared...

Abstract The biotechnology industry has recently been demanding second generation of nanoparticle bioproducts such as viruses, plasmids, virus‐like particles and drug‐delivery assemblies (20–300 nm). possibility preparing uniform nanoparticles consisting proteins gelatin followed by covalent linkage avidin was investigated. Gelatin were prepared two‐step desolvation. As a colloidal system, the essential parameters in fabrication optimized Taguchi design method. However, for characterizing...

Bromate, which is a potential carcinogen, should be removed from drinking water to levels of less than 10 microg/L. A chitosan-based molecularly imprinted polymer (MIP) and sol-gel ion-exchange double hydrous oxide (Fe(2)O(3) x Al(2)O(3) xH(2)O) adsorbent (inorganic adsorbent) were prepared for this purpose. The sorption behavior each including kinetics, isotherms, effect pH selective investigated in detail. Sorption experimental results showed that the MIP adsorbents had better selectivity...

Composite cryogels containing porous adsorbent particles were prepared under cryogelation conditions. The composites with immobilized concanavalin A (Con A) used for capturing glycoproteins. Adsorbent introduced into the structure in order to improve capacity and facilitate handling of particles. monolithic composite produced from suspensions polyvinyl alcohol cross-linked acidic conditions at sub-zero temperature. epoxy activated Con was as an affinity ligand. Binding elution horseradish...

After the emergence of multidrug-resistant strains, antibiotic resistance in bacteria has become an important problem. Thus, materials for combating are vital importance. In this work, we developed antibacterial material that can selectively capture and destruct on basis their physical characteristics. To achieve bacterial deactivation with a single material, used cells as templates to synthesize surface-imprinted polymer beads bacteria-stabilized Pickering emulsions. Acrylate-functionalized...

Preparation of a new type cryostructured carbon particle macroporous gel with one-step sub-zero cross-linking was studied in this work. Aggregation nano- and micro-particles poly(N-isopropylacrylamide-co-allylamine) used to form polymeric network integrate activated particles. The compared the conventional composite cryogel. unique structure combination retained porosity particles makes it suitable separation environmental applications. adsorption isotherm phenol advantages over structures...

Composite cryogels containing boronic acid ligands are synthesized for effective separation and isolation of bacteria. The large interconnected pores in enable fast binding release microbial cells. To control bacterial binding, an alkyne-tagged ligand is conjugated to azide-functionalized cryogel via the Cu(I)-catalyzed azide–alkyne cycloaddition reaction. acid-functionalized binds Gram-positive Gram-negative bacteria through reversible boronate ester bonds, which can be controlled by pH...

In this work, we synthesized a series of nanoparticle-supported boronic acid polymer brushes for affinity separation glycoproteins. Polymer were prepared by surface-initiated atom transfer radical polymerization glycidyl methacrylate and N-isopropylacrylamide, followed stepwise modification the pendant as well end functional groups to introduce moieties through Cu(i)-catalyzed alkyne-azide cycloaddition reaction. We investigated impact structure on glycoprotein binding under different pH...

Particles with functional groups on their surface were immobilized premade cryogels through covalent bonding to maximize the accessibility of target molecules particles. The physical properties composite cryogel characterized by SEM, texture analysis and nitrogen adsorption. Different key factors affecting immobilization also investigated, e.g., recirculation time number cryogels. It was found that characteristics prepared in this way very similar those primary matrices, while binding...

The biotechnology industry has recently been demanding nanoparticulate products (20-200 nm) such as viruses, plasmids, virus-like particles and drug delivery assemblies. Fluidized bed/expanded bed adsorption (EBA) is a technique that can be employed for purification providing practical advantages the potential direct process integration seen with protein products. In present work, hydrodynamic behaviour of an expanded column obtaining optimal conditions bovine serum albumin (BSA)...

Abstract Carbon nanotubes (CNTs) are fascinating structures with a wide range of applications and several methods have been developed for their fabrication. The arc‐discharge in liquid method is new technique synthesis nanocarbon recognized as low‐cost method. In this work, was used fabrication carbon nanotubes, subsequently modified acid treatment applied purification stage. order to optimize the process, statistical design experimental (Taguchi L9 orthogonal array robust design)...

A hybrid bifunctional core–shell nanostructure was synthesized for the first time via surface-initiated atom transfer radical polymerization (SI-ATRP) using myoglobin as a biocatalyst (ATRPase) in an aqueous solution. N-Isopropyl acrylamide (NIPA) and N-(3-aminopropyl)methacrylamide (APMA) were applied to graft flexible polymer brushes onto initiator-functionalized silica nanoparticles. Two different approaches implemented form nanocomposite: (a) random copolymerization, Si@p(NIPA-co-APMA)...