المنشورات و المؤلفات
Random and highly aligned bead-free chitosan nanofibers (NFs) were successfully prepared via electrospinning by keeping the applied voltage (22 kV), flow rate (0.4 mL h−1), needle diameter (0.8 mm), and needle to collector distance (100 mm) constant...
Swelling, states of water, morphology, stability in the aqueous solution, and electro-mechano-chemical bending behaviors of the gelatin–chitosan blend system were studied in order to clarify the potential use of this blend system as an actuator. The...
The adsorption phenomenon of bromo-phenol blue onto pristine and thermally evacuated granular charcoal (GC) was studied via a batch technique at 25 °C. The effect of evacuation temperature on the GC surface and pore structure (e.g. pore volume and...
A novel sensitive fluorimetric method was investigated for the assay of fexofenadine hydrochloride (FEX) using silver nanoparticles (NPs) as a fluorescence probe. The NPs, which were prepared by chemical reduction of silver nitrate with sodium...
In the present work, we undertake the preparation of chitosan nanofibers via electrospinning by varying solution concentration (1, 2, 3, 4 and 6 wt% (w/v)), applied voltage (14, 18 and 22 kV), flow rate (0.4 mL/h and 0.8 mL/h), needle diameter (0.2...
Dry reforming of methane (CH4) with carbon dioxide (CO2) catalysts produces synthesis gas at atmospheric pressure. Synthesis gas is important feed stock to chemical and petrochemical industries to produce chemicals such as methanol and ammonia. It...
This study has developed a novel route for the synthesis of the thermoresponsive core-shell nanoparticles that consist of the magnetite core and the poly(N-isopropylacrylamide) (poly(NIPAAm) shell in aqueous medium. Magnetic nanoparticles (MNPs)...
Phlomisamide (1), a new ceramide, and a new stigmasterol derivative, phlomisteriod (2), have been isolated from Phlomis cashmeriana.Their structures were elucidated by comprehensive analysis of their 1D- (1H- and 13C-NMR) and 2D-NMR (COSY, HMQC,...
Polyacrylonitrile (PAN) nanofibers were applied to metal adsorption. PAN nanofibers (prepared by an electrospinning technique) were chemically modified with amidoxime groups, which are suitable for metal adsorption due to their high adsorption...
With contributions of research groups around the world in the last decade, the electrospinning process and its setup has made incredible progress. This technique is now capable of processing a variety of materials (such as organic polymers,...
Electrospinning is an interesting technique, which provides a facile and an effective mean in producing nonwoven fibrous materials; however, for producing nanofibers, investigation of the electrospinning conditions is very important. In this study,...
Historically, until the 20th century, ion exchange materials (IEMs) and the ion
exchange process were considered significant developments in physical, organic and
analytical chemistry, and agricultural and environmental fields; however, more...
A highly sensitive method was investigated for the simultaneous determination of dopamine (DA) and acetaminophen (AP) using acid functionalized multi-wall carbon nanotubes (f-MWCNTs) modified glassy carbon electrodes (GCEs). Both DA and AP were...
The metal adsorbability of the chitosan electrospun nanofiber (∼235 nm in diameter) mats was examined in an aqueous solution. The chitosan nanofiber mats (which were neutralized with potassium carbonate) showed good erosion stability in water and...
Chemical recycling of post-consumer poly(ethylene terephthalate) (PET) into useful feedstock was carried out in the presence of novel mesoporous metal oxide spinel catalysts. ZnO (hexagonal), metal oxide spinels (Co3O4 and Mn3O4), and mixed metal...
We prepared multi-walled carbon nanotube (MWNT)/gelatin composites by dispersion of MWNT through ultrasonication in an aqueous medium with anionic surfactant sodium dodecyl sulfate (SDS). The swelling behavior and the bending mechanism of the...
Advances in engineering nanostructures with exquisite control of size and shape, their unique properties and broad applications (e.g., probes in ultrasensitive molecular sensing and diagnostic imaging, agents for photodynamic therapy and actuators...