Katarzyna Staszak

• PhD
• Professor (Assistant) at Poznań University of Technology

Cellulose acetate membranes exhibit a potential to be applied in hemodialysis. However, their performance is limited by membrane fouling and a lack of antibacterial properties. In this research, copper oxide (I) nanoparticles were fabricated in situ into a cellulose acetate matrix in the presence of polyvinylpyrrolidone (pore-forming agent) and sul...

This article explores recent advancements and innovative strategies in biosorption technology, with a particular focus on the removal of heavy metals, such as Cu(II), Pb(II), Cr(III), Cr(VI), Zn(II), and Ni(II), and a metalloid, As(V), from various sources. Detailed information on biosorbents, including their composition, structure, and performance...

This paper presents the major achievements in the field of biomaterials in restorative dentistry and tissue regeneration reported over the past 3 years. The review aims to summarize the knowledge on important biomaterials and the emerging modification strategies to improve their biointegration, biological activity, mechanical properties, and resist...

Polyphenols and flavonoids, naturally occurring compounds found abundantly in plants, have gained considerable attention in recent years due to their potential health benefits. Research exploring their bioactive properties has revealed promising therapeutic applications in various diseases. This article aims to provide a comprehensive overview of t...

Nanotechnology has ushered in a new era of medical innovation, offering unique solutions to longstanding healthcare challenges. Among nanomaterials, copper and copper oxide nanoparticles stand out as promising candidates for a multitude of medical applications. This article aims to provide contemporary insights into the perspectives and challenges...

In light of the need to protect the environment from hazardous heavy metals, waste management is becoming not just a proposal but a necessity for the reduction of wastewater toxicity and, additionally, a value-added substitute for processes of extracting raw materials from primary sources. This article demonstrates the feasibility of using critical...

This paper reports the most interesting applications of polyoxometalates (POMs) over the last five years, highlighting the relationship between their complex nature, properties, and chemical structure. POMs are a well-known class of metal–oxygen nanoclusters with tunable size and structure. Owing to their various properties, they have attracted gre...

Adsorption of heavy metals by various sorbents has been widely studied by many scientists due to the processes of industrialization as well as the great concentration of these toxic and dangerous pollutants in the environment the elimination of which is significant important. The ion exchangers Lewatit MonoPlus SR7, Lewatit MonoPlus TP220, Purolite...

The rapid advances in science and technology in the field of artificial neural networks have led to noticeable interest in the application of this technology in medicine. Given the need to develop medical sensors that monitor vital signs to meet both people’s needs in real life and in clinical research, the use of computer-based techniques should b...

This paper discusses the most important research trends in the recovery of metals from industrial wastewater using membrane techniques in recent years. Particular attention is paid to the preparation of new membranes with the required filtration and separation properties. At the same time, possible future applications are highlighted. The aspects d...

Milestones and current achievements in modeling of carbohydrates are discussed. Both the evolution of modeling techniques and their interpretative capabilities are showed in a comprehensive way. An important aspect of in silico study in the context of carbohydrates is presented, including the effects of carbohydrate-carbohydrate, carbohydrate-prote...

The review presents advances in the removal of Cr(III) from the industrial effluents published in the last ten years. Although Cr(III) has low solubility and is less dangerous for the aquatic environment than Cr(VI), it cannot be released into the aquatic environment without limitations and its content in water should be restricted. The development...

The influence of co-ions on the adsorption properties of two surfactants: ABS (dodecylbenzene sulfonic acid) and its sodium salt ABSNa50 in the aqueous systems, has been studied and discussed. On the basis of experimental measurements of equilibrium and dynamic surface tension, a series of parameters were determined, such as critical micelle concen...

The most important developments in membrane techniques used in the beverage industry are discussed. Particular emphasis is placed on the production of fruit and vegetable juices and nonalcoholic drinks, including beer and wine. This choice was dictated by the observed consumer trends, who increasingly appreciate healthy food and its taste qualities...

This paper presents Cr(III) removal from nickel sulfate waste solutions as a pretreatment step for the modification of hydrogen storage alloys. Adsorption with two cation exchange resins, Dowex G26 (strongly acidic) and MAC-3 (weakly acidic), and precipitation with various solutions were chosen as simple operations for Cr(III) removal from waste so...

Current trends in the food industry for the application of membrane techniques are presented. Industrial solutions as well as laboratory research, which can contribute to the improvement of membrane efficiency and performance in this field, are widely discussed. Special attention is given to the main food industries related to dairy, sugar and biot...

The selective removal of Cu(II) in the presence of sodium dodecylobenzene sulfonate from acidic effluents was made using the adsorption and micellar-enhanced ultrafiltration methods. Lewatit MonoPlus TP220 showed the best adsorption behavior in the systems containing Cu(II) in the presence of ABSNa50 surfactant compared to the other adsorbents (rem...

Current trends in the food industry for the application of membrane techniques are presented. Industrial solutions as well as laboratory research, which can contribute to the improvement of membrane efficiency and performance in this field, are widely discussed. Special attention is given to the main food industries related to dairy, sugar and biot...

The most important developments in membrane techniques used in the beverage industry are discussed. Particular emphasis is placed on the production of fruit and vegetable juices and nonalcoholic drinks, including beer and wine. This choice was dictated by the observed consumer trends, who increasingly appreciate healthy food and its taste qualities...

The benefits and controversies around AI are clear, but by drawing on current experiences, we can establish an order that ensures AI does not become a threat but a very useful aid.

Tissue engineering (TE) is a rapidly growing interdisciplinary field, which aims to restore or improve lost tissue function. Despite that TE was introduced more than 20 years ago, innovative and more sophisticated trends and technologies point to new challenges and development. Current challenges involve the demand for multifunctional bioscaffolds...

The paper presents a comprehensive overview of the use of artificial intelligence (AI) systems in drug design. Neural networks, which are one of the systems employed in AI, are used to identify chemical structures that can have medical relevance. Successful training of neural networks must be preceded by the acquisition of relevant information abou...

Novel sorbents (poly(vinylbenzyl chloride-co-divinylbenzene) functionalized with Ionic Liquids precursors- hydrophobic and hydrophilic 3- and 4-pyridineketone and oxime were prepared for application to chromium removal. The fabricated materials were extensively characterized (surface morphology, FT-IR, NMR, Raman, microscopy, XPS, and wettability)....

This review presents the latest innovations and trends in the field of surface functionalization of various nanomaterials. The most recent protocols of smart materials fabrication as well as the main challenges which should be overcome in order to improve their final performance are discussed here. Particular attention has been paid to the properti...

According to World Health Organization (WHO) cancer is the second most important cause of death globally. Because angiogenesis is considered as an essential process of growth, proliferation and tumor progression, within this review we decided to shade light on recent development of chemical compounds which play a significant role in its imaging and...

This work aims to study the performance of three new extracting agents: N-decyloxy-1-(pyridin-3-yl)methaneimine (D-3MI), N-decyloxy-1-(pyridin-3-yl)ethaneimine (D-3EI) and N- decyloxy-1-(pyridin-4-yl)ethaneimine (D-4EI), in the solvent extraction of palladium. For this purpose, the effect of several parameters on the extraction of Pd(II) from hydro...

The interfacial behavior of novelty hydrophobic carboximidamide derivatives extractants has been presented. The influence of the type of alkyl groups and their position in the pyridine ring, as well as the type of solvent, on the adsorption and metal extraction has been investigated. Moreover, the relationship between the interfacial activity and t...

This paper presents multistage hydrometallurgical separation of Co(II) from wastewater, achieved in an integrated system containing diffusion dialysis (DD) to decrease the acidity of the industrial effluent – pregnant leach solution (PLS), followed by precipitation of Al(III), Fe(III) and Cr(III) hydroxides, selective extraction of Co(II) with bis(...

In response to the rapid development of nanomaterials in the biomedical field, especially in advanced cancer therapy, more comprehensive studies regarding the safety of nanomaterials are continuously required. Currently, several fundamental studies concerning the fate of nanoparticles in the biological media are needed, especially before in vivo st...

Current trends in industrial synthesis of selected halogened hydrocarbons (HHCs) were presented in detail. Special emphasis was put on the most popular compounds, such as chloromethanes (CH3Cl, CH2Cl2, CHCl3, CCl4), chloroethene (vinyl chloride H2C = CHCl), chlorobenzene, 1-4-dichlorbenzene and epichlorohydrin. The possibility methods of modificati...

This book is essential reading for scientists and students interested in both organic and inorganic chemical technology. The authors cover the production of chemical reagents as well as trends from adjacent fields including biotechnology and process simulation. Chemical Technologies and Processes is of interest to chemical engineers, materials scie...

This study presents modeling of selective catalytic reduction (SCR) for systems of diesel exhaust gases aftertreatment. The main purpose of this work is to develop the modeling approach that allows accurate prediction of urea–water solution behavior (UWS) in the real diesel exhausts in temperature range 373 K to 873 K. The UWS is a key element of c...

Novelty extractants from the group of pyridine derivatives: N-(2-ethylhexyloxy)pyridine-3-cabroxyimidoamide and N-decyloxy-1-pyridin-3-yl)ethaneimine as the carriers in the palladium(II) ions extraction from chloride media through pseudo-emulsion based Hollow Fiber membrane strip dispersion (PEHFSD) were presented. The recovery of Pd(II) was around...

Current trends in industrial synthesis of selected halogened hydrocarbons (HHCs) were presented in detail. Special emphasis was put on the most popular compounds, such as chloromethanes (CH 3 Cl, CH 2 Cl 2 , CHCl 3 , CCl 4 ), chloroethene (vinyl chloride H 2 C = CHCl), chlorobenzene, 1-4-dichlorbenzene and epichlorohydrin. The possibility methods o...

The work presents studies on the application of hydrometallurgical recovery of cobalt(II) from solutions after leaching spent industrial catalysts used in process of hydrodesulfurization. A four-stage process was proposed, which consists of: leaching, precipitation of metal hydroxides accompanying Co(II), extraction of Co(II) with bis(2,4,4-trimeth...

Introduction. In terms of sales, dishwashing liquids occupy third place in the segment of household chemicals. The consumer expects dishwashing liquids to exhibit a number of useful properties. First of all, dishwashing liquids should have good washing, wetting and foaming properties. Consequently, ongoing work is being carried out to improve the u...

This work presents a synthesis method for new surfactants based on lactose. The compounds obtained belong to the homologous series of O-β-D-Galactopyranosyl-(1→4)-N-alkyl-(3-sulfopropyl)-D-glucosamine hydrochloride, containing 12 and 14 carbon atoms in the alkyl chain, and they may serve as an example of cationic surfactants. The newly synthesized...

The surface properties (equilibrium and kinetic studies) and adsorption characteristics of sodium dodecyl sulfate (SDS) at the liquid−air interface were presented. The effects of hydrochloric acid and heavy metal ions addition on some surface properties of SDS were studied. The equilibrium surface tension and critical micelle concentration (CMC) we...

Thanks to their dimensional versatility and ability to form complexes, lanthanides are increasingly employed for the chiral sensing of biomolecules. In this work two sensing techniques based on the coordination chemistry of lanthanides are reviewed in detail. Circular dichroism (CD) spectroscopy exploits the coupling or binding of lanthanide comple...

Diffusion dialysis (DD) was proposed as a pretreatment step to reduce the acidity of real sulfate/chloride pregnant leach solutions containing cobalt(II) and nickel(II). Optimum DD conditions that enable reduction of acidity in the feed while maintaining a high rejection level of metal ions present in PLS were proposed, e.g. for 0.06 dm³/min flow o...

Shampoos are one of the most important segments of the cosmetics market. Their basic task is to clean the hair and scalp from dust, sebum, microorganisms. Therefore the consumer first of all expects the shampoo to have good washing properties. In consumer choices, foam-forming properties and viscosity are not unmistakable. All this meant that the a...

The effect of sodium dodecylbenzenesulfonate (anionic surfactant) on removal of selected heavy metal ions such as copper(II), cobalt(II), zinc(II) and nickel(II) using Lewatit MonoPlus TP 220 were studied. The critical micellization of concentration in the system containing both heavy metal ions and the anionic surfactant was obtained (surface prop...

In this review, significant applications of lanthanides and their compounds in bone tissue engineering are described, with an emphasis on coordination compounds based on wide variety of ligands, crystalline structure and their properties, stability as well as cytotoxicity. The current challenges and several scientific discoveries related to the use...

The aim of the study was to assess the effect of N-dodecyl-N-(propylpiperidinium-3-sulfonate) on the physico-chemical and functional properties of liquid soaps for sensitive skin. The studied materials consisted of originally formulated liquid soaps containing amphoteric surfactants including cocamidopropyl betaine and newly synthesized sulfobetain...

The potential sources of various metals in chemical and petrochemical processes are discussed. Special emphasis is put on the catalysts used in the industry. Their main applications, compositions, especially metal contents are presented both for fresh and spent ones. The focus is on the main types of metals used in catalysts: the platinum-group met...

The potential sources of metals from energy industries are discussed. The discussion is organized based on two main metal-contains wastes from power plants: ashes, slags from combustion process and spent catalysts from selective catalytic NOx reduction process with ammonia, known as SCR. The compositions, methods of metals recovery, based mainly on...

Metals in Wastes is an excellent guide for scientists, students, engineers, chemists, and industrial chemists who are looking for knowledge of the main sources of metals in industrial wastes. Metals are valuable materials that can be recycled again and again without degrading their properties. The recycling of metals enables us to preserve natural...

The membrane processes have played important role in the industrial separation process. These technologies can be found in all industrial areas such as food, beverages, metallurgy, pulp and paper, textile, pharmaceutical, automotive, biotechnology and chemical industry, as well as in water treatment for domestic and industrial application. Although...

The membrane processes have played important role in the industrial separation process. These technologies can be found in all industrial areas such as food, beverages, metallurgy, pulp and paper, textile, pharmaceutical, automotive, biotechnology and chemical industry, as well as in water treatment for domestic and industrial application. Although...

The potential sources of metals from energy industries are discussed. The discussion is organized based on two main metal-contains wastes from power plants: ashes, slags from combustion process and spent catalysts from selective catalytic NO x reduction process with ammonia, known as SCR. The compositions, methods of metals recovery, based mainly o...

The potential sources of various metals in chemical and petrochemical processes are discussed. Special emphasis is put on the catalysts used in the industry. Their main applications, compositions, especially metal contents are presented both for fresh and spent ones. The focus is on the main types of metals used in catalysts: the platinum-group met...

The membrane processes have played important role in the industrial separation process. These technologies can be found in all industrial areas such as food, beverages, metallurgy, pulp and paper, textile, pharmaceutical, automotive, biotechnology and chemical industry, as well as in water treatment for domestic and industrial application. Although...

A novel approach using a zwitterionic sulfobetaine-based surfactant for the synthesis of spherical copper oxide nanoparticles (Cu2O NPs) has been applied. For the first time, N-hexadecyl-N,N-dimethyl-3-ammonio-1-propanesulfonate has been used as a stabilizer to control the size and morphology of Cu2O NPs. Several techniques, such as transmission el...

Application of polymer materials as membranes and ion-exchange resins was presented with a focus on their use for the recovery of metal ions from aqueous solutions. Several membrane techniques were described including reverse osmosis, nanofiltration, ultrafiltration, diffusion and Donnan dialysis, electrodialysis and membrane extraction system (pol...

Application of polymer materials as membranes and ion-exchange resins was presented with a focus on their use for the recovery of metal ions from aqueous solutions. Several membrane techniques were described including reverse osmosis, nanofiltration, ultrafiltration, diffusion and Donnan dialysis, electrodialysis and membrane extraction system (pol...

The status of high-accuracy studies of metalloenzymes application as catalysts in non-natural compounds synthesis has been presented. The discussion is organized based on their stereo- and regioselectivities, as well as catalytic activities and the majority of these examples were reported within the last few years. Moreover computational methods, w...

Application of polymer materials as membranes and ion-exchange resins was presented with a focus on their use for the recovery of metal ions from aqueous solutions. Several membrane techniques were described including reverse osmosis, nanofiltration, ultrafiltration, diffusion and Donnan dialysis, electrodialysis and membrane extraction system (pol...

Application of polymer materials as membranes and ion-exchange resins was presented with a focus on their use for the recovery of metal ions from aqueous solutions. Several membrane techniques were described including reverse osmosis, nanofiltration, ultrafiltration, diffusion and Donnan dialysis, electrodialysis and membrane extraction system (pol...

The recovery of Zn(II) from chloride solutions using pseudo-emulsion based hollow fiber strip dispersion (PEHFSD) technique with pyridine reagents was investigated. The pyridineketoxime extractants were used as the carriers: 1-(3-pyridyl)undecan-1-one oxime and its quaternary salts 3-[1-(hydroxyimine)undecyl]-1-propylpyridinium bromide and 3-[1-(hy...

A new method for the preparation of new heterocyclic amine surfactants based on sulfobetaines is proposed. Interfacial activities of the surfactants obtained in aqueous solution were studied by surface tension measurements. The critical micelle concentration, surface excess concentration, minimum area per surfactant molecule, and standard Gibbs ene...

The removal of Co(II) and Zn(II) from model and real crude nickel sulphate (CNS) solutions by extraction with sodium bis(2,4,4-trimethylpentyl)phosphinate (Na-Cyanex 272) is studied and compared with the effect of using bis(2,4,4-trimethylpentyl)phosphinic acid (Cyanex 272). The proposed novel approach to manage both hazardous metal ions from CNS w...

Sulfobetaines belong to the group of zwitterionic surfactants. They are electroneutral salts, which have in the same molecule, two ionic centers with different charge. Due to the specific structure they exhibit excellent properties such as good solubility in water and detergency. In this paper we present surface properties and adsorption parameters...

Powłoki cynkowe wykorzystywane są szeroko do ochrony stali przed korozją. Ze względu na grubość osadzanej warstwy, powłoki cynkowe na stali posiadają stosunkowo korzystne właściwości antykorozyjne względem innych powłok metalicznych. Są także często preferowane ze względu na koszty osadzania. Wyróżnić można kilka rodzajów cynkowania: ogniowe (inacz...

BACKGROUND: One of the most popular methods of glycerol utilisation involves its bioconversion to low-molecular organic compoundssuch as polyoles or organic acids.Because of thepresenceof contaminants in thepost-fermentation broth, including left-over glycerol, small amounts of proteins, inorganic salts and some organic acids formed in the process...

Streszczenie Wstęp. Utrzymanie odpowiedniej higieny skóry całego ciała jest jednym z głównym celów produktów do pielęgnacji ciała. Czystość rąk może być traktowana jako miara higieny osobistej. Dostępne na rynku produkty do pielęgnacji ciała mogą zrealizować ten cel. Jednakże nowoczesne produkty kosmetyczne powinny być wielofunkcyjne i wykazywać ni...

Surface active agents are very important group of organic compounds having wide application in industry. Nowadays more and more popular are zwitterionic surfactants especially sulfobetaines. For this compounds, characteristic is the fact that polar head of sulfobetaines comprises two ionic centers, namely the quaternary nitrogen atom and sulfonium...

Three new heterogemini sulfobetaines and their chloride salts were synthesised. The interfacial activities of the obtained chlorides in aqueous solution were studied by equilibrium and dynamic surface tension measurements. The critical micelle concentration, surface excess concentration, minimum area per surfactant molecule and standard Gibbs energ...

Surfactants are important ingredients of personal care products and household products. The main characteristic of these compounds is to decrease the surface tension of solvent and resulting many properties such as contact angle, foam properties etc. The coexistence of other ingredients in the product may affect the properties of surfactants. One o...

The effectiveness of nanofiltration with the use of ceramic membranes in the process of concentration and separation of fumaric acid or succinic acid from glycerol and citric acid from erythritol was evaluated. It was found that the retention of sodium salts of the acids investigated increased strongly with increasing the pH of the feed solution (d...

A comparison of polymeric and ceramic membranes in the ultrafiltration process was studied and presented. This study was conducted on the separation of cadmium(II) ions, with particular reference to parameters such as hydrodynamic permeability coefficient, membrane fouling, amount of surfactant in the permeate, efficiency, and effectiveness of the...

This paper presents a finite element, three dimensional numerical model of flow in porous ceramic ultrafiltration membrane system together with experimental validation. The modelling is based on the computational fluid dynamics (CFD) technique. Major difficulty that arises during CFD modelling is appropriate and precise description of the porous me...

Fourteen new sulfobetaines with N-alkylmorpholinium moiety have been synthesized using correspording N-alkylmorpholines and propanesultone or butanesultone. Their interfacial activities in aqueous solution were studied by equilibrium and dynamic surface tension measurements. Surface tension measurements provide information about the surface excess...

Fourteen new sulfobetaines with N-alkylmorpholinium moiety have been synthesized using correspording N-alkylmorpholines and propanesultone or butanesultone. Their interfacial activities in aqueous solution were studied by equilibrium and dynamic surface tension measurements. Surface tension measurements provide information about the surface excess...

This study was undertaken to check the possibility of using micellar enhanced ultrafiltration (MEUF) in the removal of chromium(III) ions from water systems. The influence of ion concentration in the feed, type of surfactant (SDS or Rofam 10), and the membrane material on separation efficiency were studied and discussed. The use of environmentally...

Cyanex 272 (bis(2,4,4-trimethylpentyl)phosphinic acid) and its sodium salt were used as extractants to treat copper(II) sulphate solutions. Solvent extraction of Cu(II) is more efficient with Na-Cyanex 272 than with its acidic form, and a significant change in pH of the raffinate is observed after extraction. Two mol/dm3 H2SO4 is an effective strip...

The main goal of this work was to study and compare the extraction of cadmium(II) ions by the two organophosphorous extractants: Cyanex 301 and Cyanex 302. The effect of different variables influencing the extraction of cadmium(II) ions such as the concentration of acid or metal ion and type of extractant has been investigated. Obtained results fro...

Equilibrium and rate of iron(III) extraction from chloride solutions by individual hydrophobic extractants and their mixtures The main goal of this work was to study and compare the rate of iron(III) extraction from chloride solutions by commercial extractants: Alamine 336, TOPO and LIX 54 and their mixtures. Using the interfacial tension data, obt...

Removal of metal ions from aqueous solutions by micellar enhanced ultra-filtration (MEUF) The results of preliminary research on the possibility of removing of chromium(III) and copper(II) ions from micellar solutions in MEUF were described. The effectiveness of metal ions removal in the classical UF and MEUF was compared. It was confirmed that in...

The FT-IR spectra for two chelating metal ion extractants: 2-hydroxy-5-nonylacetophenone oxime (HNAF) and 1-phenyldecane-1,3-dion (β-diketone), two solvating extractants: trioctylphosphine oxide (TOPO) and tri-butyl phosphate (TBP), an acidic extractant di-(2-ethylhexyl)phosphoric acid (D2EHPA) and a modifier (decanol) were presented. Moreover, fiv...

Equil. and dynamic interfacial tension was detd. with a drop vol. tensiometer for equimol. trioctylphosphine oxide (I)-di-2-ethylhexylphosphoric acid (II), and equimol. I-Alamine 336 (trioctyl/decylamine as active compd.) (III) mixts. studied as extractants in the water-toluene system. From each mixt, the extractants were co-adsorbed at the water-t...