Effects of ionic environment on the interfacial interactions between α‐amylase and polyether sulphone membranes

Salgın, Sema

doi:10.1002/sia.3716

Cited by 4 publications

(4 citation statements)

References 27 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The Langmuir isotherm model is suitable for describing the adsorption equilibrium of p ‐NP by NSs due to its high regression coefficients. The good fit of the Langmuir isotherm to the experimental data confirms the monolayer coverage of p ‐NP onto the NSs and the homogenous distribution of active sites on the material, as the Langmuir equation assumes that the surface is homogenous . Although the adsorption capacity of the NSs was low, the β‐CD‐NSs may have had a considerably higher affinity for p ‐NP.…”

Section: Resultssupporting

confidence: 55%

See 1 more Smart Citation

Synthesis and Characterization of β‐Cyclodextrin Nanosponge and Its Application for the Removal of p‐Nitrophenol from Water

Salgın

Vatansever

2017

CLEAN Soil Air Water

Self Cite

View full text Add to dashboard Cite

Synthesis and Characterization of b-CyclodextrinNanosponge and Its Application for the Removal of p-Nitrophenol from Water b-Cyclodextrin (b-CD)-based nanosponges (NSs) were synthesized by reacting b-CD with hexamethylenediisocyanate (HMDI) as the cross-linking agent. The effects of the reaction parameters, such as the b-CD/HMDI molar ratio, reaction temperature, and type of cross-linker, on the NS synthesis were systematically examined. The removal of p-nitrophenol (p-NP) from water by NSs was determined through adsorption experiments. The adsorption efficiency of the NSs synthesized at different temperatures did not change significantly, but the adsorption efficiency of the NSs was influenced by the HDMI concentration and cross-linker type. The characteristic Fourier transform infrared (FTIR) bands showed that p-NP was adsorbed parallel to the surface of the NSs. The Langmuir model had the highest correlation coefficient for the adsorption of p-NP onto the NSs. The maximum adsorption capacity (Q°) and adsorption energy (b) for p-NP were estimated to be 1.0 mg g À1 and 1.837 L mg À1 , respectively. The NSs synthesized under the optimum conditions were characterized by transmission electron microscopy (TEM), scanning electron microscopy (SEM), X-ray diffraction (XRD), thermogravimetric analysis (TGA), and laser diffraction particle size (LDPS) analysis. The combination of the results from SEM, TEM, and LDPS analysis indicated that the synthesized NSs had a porous, sponge-like, and rigid structure. The results of XRD and TGA also revealed the formation of b-CD-NSs.

show abstract

Section: Resultssupporting

confidence: 55%

“…The variable b is a constant reflecting the affinity of the NS for the p ‐NP, and it is related to the free energy of adsorption. The variables K F and n indicate the adsorption capacity and adsorption intensity or surface heterogeneity, respectively .…”

Section: Methodsmentioning

confidence: 99%

Synthesis and Characterization of β‐Cyclodextrin Nanosponge and Its Application for the Removal of p‐Nitrophenol from Water

Salgın

Vatansever

2017

CLEAN Soil Air Water

Self Cite

View full text Add to dashboard Cite

show abstract

“…The MIP particles were placed in water or PBS and then titrated with amylase; the zeta potential is shown in Figure c. The zeta potential of MIPs in DI water increased more rapidly than in PBS, indicating that the ionic strength and pH may be related to the deposition of amylase on MIPs.…”

Section: Resultsmentioning

confidence: 99%

Hydrolysis of Magnetic Amylase-Imprinted Poly(ethylene-co-vinyl alcohol) Composite Nanoparticles

Lee

Thomas

Chen

et al. 2012

ACS Appl. Mater. Interfaces

View full text Add to dashboard Cite

Molecularly imprinted polymers (MIPs) have frequently been employed as recognition elements in sensing applications, or for the controlled delivery of small molecule drugs. An equally important but less well studied application is the use of MIPs in the binding and immobilization of active enzymes. In this study, magnetic MIPs (MMIPs) recognizing the enzyme amylase were prepared using phase inversion of poly(ethylene-co-vinyl alcohol) (EVAL) solutions with 27-44 mol % ethylene in the presence of amylase. The size distribution, specific surface area, magnetization, and composition were characterized by dynamic light scattering (DLS), Brunauer-Emmett-Teller (BET) analysis, superconducting quantum interference devices (SQUID), and X-ray diffraction (XRD), respectively. The mean size of MMIPs was ~100 nm and the magnetization was 14.8 emu/g. The activities of both bound template and rebound enzyme was established by measuring glucose production via starch hydrolysis, at different temperatures, for MIPs with different compositions (wt % EVALs and mol % ethylene). The highest hydrolysis activity of MMIPs (obtained with 32 mol % ethylene) was found to be 1545.2 U/g. Finally, compared to the conventional catalysis process, MMIPs have the advantages of high surface area, suspension, easy removal from reaction, and rapid reload of enzyme. The good activity of amylase MMIPs persists after 50 cycles of starch hydrolysis.

show abstract

“…Multiple variables may influence these interactions, including surface chemistry, particle dimensions, morphology, concentration, dispersion, and the circumstances of 3D printing processes [78]. Regarding 3DP nanohybrids, interfacial interactions occur at the polymeric-particulate interface, within printing inter-lines, or between inter-layers [79] because an interaction involving polymeric materials and nanoparticles transmits stresses from tougher nanoparticles to softened polymers [80].…”

Section: Interfacial Interactions At the Polymer-particulate Interfacementioning

confidence: 99%

Promising New Horizons in Medicine: Medical Advancements with Nanocomposite Manufacturing via 3D Printing

Li,

Khan,

Chen

et al. 2023

Polymers

View full text Add to dashboard Cite

Three-dimensional printing technology has fundamentally revolutionized the product development processes in several industries. Three-dimensional printing enables the creation of tailored prostheses and other medical equipment, anatomical models for surgical planning and training, and even innovative means of directly giving drugs to patients. Polymers and their composites have found broad usage in the healthcare business due to their many beneficial properties. As a result, the application of 3D printing technology in the medical area has transformed the design and manufacturing of medical devices and prosthetics. Polymers and their composites have become attractive materials in this industry because of their unique mechanical, thermal, electrical, and optical qualities. This review article presents a comprehensive analysis of the current state-of-the-art applications of polymer and its composites in the medical field using 3D printing technology. It covers the latest research developments in the design and manufacturing of patient-specific medical devices, prostheses, and anatomical models for surgical planning and training. The article also discusses the use of 3D printing technology for drug delivery systems (DDS) and tissue engineering. Various 3D printing techniques, such as stereolithography, fused deposition modeling (FDM), and selective laser sintering (SLS), are reviewed, along with their benefits and drawbacks. Legal and regulatory issues related to the use of 3D printing technology in the medical field are also addressed. The article concludes with an outlook on the future potential of polymer and its composites in 3D printing technology for the medical field. The research findings indicate that 3D printing technology has enormous potential to revolutionize the development and manufacture of medical devices, leading to improved patient outcomes and better healthcare services.

show abstract

Effects of ionic environment on the interfacial interactions between α‐amylase and polyether sulphone membranes

Cited by 4 publications

References 27 publications

Synthesis and Characterization of β‐Cyclodextrin Nanosponge and Its Application for the Removal of p‐Nitrophenol from Water

Synthesis and Characterization of β‐Cyclodextrin Nanosponge and Its Application for the Removal of p‐Nitrophenol from Water

Hydrolysis of Magnetic Amylase-Imprinted Poly(ethylene-co-vinyl alcohol) Composite Nanoparticles

Promising New Horizons in Medicine: Medical Advancements with Nanocomposite Manufacturing via 3D Printing

Contact Info

Product

Resources

About