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Article
Efficient synthesis of pyrano[3,2-c]pyridines via a green and catalyst-free method at ambient temperature, and related DFT calculations
Twelve medicinally important pyrano[3,2-c]pyridine derivatives were precipitated, with high yields, from ethanol solutions of malononitrile and (E)-3,5-bis(benzylidene)-4-piperidones at ambient temperature, requi...
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Article
MCM-41-SO3H: a novel reusable nanocatalyst for synthesis of amidoalkyl naphthols under solvent-free conditions
Nanosized MCM-41-SO3H based on an ordered mesoporous material with covalently anchored sulfuric acid groups inside the mesochannels was used as an acid catalyst for synthesis of amidoalkyl naphthols in the multic...
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Article
Aptamer-based Biosensor for Detection of Phenylalanine at Physiological pH
A simple, sensitive aptamer-based biosensor for the detection of phenylalanine is developed using the electrochemical transduction method. For this proposed aptasensor, a 5-thiol-terminated aptamer is covalent...
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Article
Determination of lisinopril using β-cyclodextrin/graphene oxide-SO3H modified glassy carbon electrode
An electrochemical method has been successfully demonstrated for sensitive determination of lisinopril with β-cyclodextrin-graphene oxide-SO3H composite modified glassy carbon electrode (β-CD/GO-SO3H/GCE). Cyclic...
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Article
Silica-based mesoporous organic-inorganic nano-hybrid: a novel electroceramic nanomaterial for electroanalytical determination of selected cardiovascular drugs in human serum
Magnetic mesoporous silica was used for electrode modification and electro-oxidation of some cardiovascular drugs. The modified electrode was applied for detection of cardiovascular drugs using cyclic voltamme...
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Article
Graphene quantum dot as an electrically conductive material toward low potential detection: a new platform for interface science
In the present study, the magnetic graphene quantum dot (Fe3O4 MNPs-GQDs) was synthesized successfully and characterized by using fourier transform infrared spectroscopy, transmission electron microscopy and atom...
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Article
Graphene quantum dot functionalized by chitosan as an electrically conductive nano-material toward low potential detection: a new platform for interface science
Graphene quantum dot (GQD) with tunable sizes, (2–5 nm) especially displays unique optical and electrical properties due to the quantum confinement effect. Experiments have revealed that the band gap and HOMO/...
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Article
Magnetic mesoporous silica: a novel nano-material towards electrochemical sensing
This study reports on the synthesis and characterization of a novel magnetic nano-material, Fe3O4 magnetic nanoparticles/mobile crystalline material-41 (Fe3O4 MNP-MCM-41) for sensing some cardiovascular drugs. Fo...
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Article
Advanced nanomaterials for use in electrochemical and optical immunoassays of carcinoembryonic antigen. A review
This review (with 196 refs.) covers the state of the art in electrochemical and optical immunoassays for the carcinoembryonic antigen (CEA). In essence, it has sections on (a) frequently applied principles and...
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Article
Recent advances in electrochemical and electrochemiluminescence based determination of the activity of caspase-3
Caspases, especially caspase-3, play a critical role in the intrinsic and extrinsic pathways of apoptosis. In addition, caspase-3 is involved in mental disorders like Alzheimer disease. Any up and down regulat...
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Article
Graphene Quantum Dots Incorporated into β-cyclodextrin: a Novel Polymeric Nanocomposite for Non-Enzymatic Sensing of L-Tyrosine at Physiological pH
Graphene quantum dot-β-cyclodextrin modified glassy carbon electrode was used as a new nanosensor for determination of L-tyrosine (L-Tyr). It was found that graphene quantum dot-β-cyclodextrin has been stably ...
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Article
Advances in nanomaterial based optical biosensing and bioimaging of apoptosis via caspase-3 activity: a review
Caspase-3 plays a vital role in intrinsic and extrinsic pathways of programed cell death and in cell proliferation. Its detection is an important tool for early detection of some cancers and apoptosis-related ...
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Article
Recent progress in nanomaterial-based electrochemical biosensors for pathogenic bacteria
This review (with 118 refs.) discusses the progress made in electroanalytical methods based on the use of organic and inorganic nanomaterials for the determination of bacteria, specifically of E. coli, Salmone...
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Article
Dendritic fibrous nanosilica functionalized by dithiocarbamate as a highly efficient adsorbent for the removal of malachite green from waste water based on electrostatic interaction
In this work, dithiocarbamate (-NH-CS2)-functionalized dendritic fibrous nanosilica (KCC-1) with significant adsorbtion capacity was effectively synthesized using the reliable reaction process. Field emission sca...
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Article
Copper nanoparticles doped in wrinkled fibrous nanosilica as an efficient catalyst for the synthesis of 1,4-disubstituted 1,2,3-triazole in aqueous solution
A one-pot, highly efficient procedure was reported for the synthesis of 1,4-disubstituted 1,2,3-triazoles in water as a green solvent using Cu@KCC-1-NH-CS2 as a novel nanoreactor. Different methods such as Fourie...
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Article
Synthesis of Innovative Series of MIPs using Acrylic Acid and Diallyl Dimethylammonium Chloride for Adsorption and Environmental Assessment of Chlordiazepoxide
Removal of pharmaceutical compounds from waste waters is important issue in environmental science and technology. Drugs represent an environmental worry because of their existence in ecosystems, leading to eco...
