Correction to "Upgraded Valorization of Biowaste: Laser-Assisted Synthesis of Pd/Calcium Lignosulfonate Nanocomposite for Hydrogen Storage and Environmental Remediation".

[This corrects the article DOI: 10.1021/acsomega.9b04149.

Electrochemical study of 2-amino-5-mercapto-1,3,4-thiadiazole in the absence and presence of -benzoquinone: an efficient strategy for the electrosynthesis of new 1,3,4-thiadiazole derivatives.

In this study, first, the electrochemical behavior of 2-amino-5-mercapto-1,3,4-thiadiazole (AMT) was fully investigated in the absence and presence of electrochemically generated -benzoquinone (-BQ, which is the oxidized form of hydroquinone), as an electrophile, cyclic voltammetry (CV) at a glassy carbon electrode (GCE) and in an acetic acid buffer (0.2 M)/ethanol solution mixture. Then, an -pH diagram was proposed for different structures of AMT at various pH values.

Green electrochemical method for the synthesis of nitro and azo derivatives based on mefenamic acid.

Electrochemical study of mefenamic acid (MFA) was carried out with details in water/ethanol mixture by the various voltammetric techniques. The results showed that the oxidation of MFA is highly dependent on pH and follows the E mechanism. The E-pH diagram plotted based on the differential pulse voltammograms shows two linear segments, 66 and 26 mV/pH slope.

Deep eutectic solvent based ultrasound assisted emulsification microextraction for preconcentration and voltammetric determination of aflatoxin B1 in cereal samples.

A new and simple deep eutectic solvent based ultrasound-assisted emulsification microextraction (DES-UAEME) procedure has been developed for preconcentration and voltammetric determination of aflatoxin B1 (AFB1) in cereal products. The method is based on the acetonitrile-based extraction of AFB1 from homogenized cereal samples followed by a DES-UAEME procedure for subsequent differential pulse voltammetry (DPV) determination in a microcell. A DES composed of choline chloride and urea (ChCl-Ur) was used as the extraction solvent and electrolyte for DPV detection.

Synthesis of biological based hennotannic acid-based salts over porous bismuth coordination polymer with phosphorous acid tags.

In this paper, a novel porous polymer capable of coordinating to bismuth (PCPs-Bi) was synthesized. The Bi-PCPs was then reacted with phosphorous acid to produce a novel polymer PCPs(Bi)N(CHPOH) which is shown to act as an efficient and recyclable catalyst. The mentioned catalyst was applied for the efficient synthesis of new mono and bis naphthoquinone-based salts of piperidine and/or piperazine the reaction of hennotannic acid with various aldehydes, piperidine and/or piperazine, respectively.

Probing the Strength and Mechanism of Binding Between Amifampridine and Calf Thymus DNA.

In this work, we have investigated the strength and mechanism of amifampridine (3,4-Diaminopyridine/3,4-DAP) interaction with calf thymus DNA (ct-DNA). The existence and the strength of interaction are evaluated using circular dichroism (CD), UV-vis absorption, and differential pulse voltammogram studies. Results from UV-vis absorption technique indicate that amifampridine can significantly interact with DNA through a binding constant of  = 1.

Facile synthesis of graphitic carbon nitride/chitosan/Au nanocomposite: A catalyst for electrochemical hydrogen evolution.

This paper reports a novel nanocomposite catalyst comprised of graphitic carbon nitride (g-CN), chitosan and gold (Au) nanoparticles, which has been prepared through a facile, clean and low cost method. Graphitic carbon nitride has been fabricated by pyrolysis of urea. Laser ablation in liquid (LAL) was employed in the green synthesis of Au NPs.

Upgraded Valorization of Biowaste: Laser-Assisted Synthesis of Pd/Calcium Lignosulfonate Nanocomposite for Hydrogen Storage and Environmental Remediation.

Laser ablation in liquid (LAL), one of the promising pathways to produce nanoparticles, is used herein for the modification of the abundant biowaste, calcium lignosulfonate (CLS), adorning it with palladium nanoparticles (Pd NPs). The ensuing Pd/CLS nanocomposite, fabricated via a simple stirring method, is deployed for hydrogen storage and environmental cleanup studies; a hydrogen storage capacity of about 5.8 C g confirmed that Pd NPs serve as active sites for the adsorption of hydrogen.

In vitro cytotoxicity and DNA/HSA interaction study of triamterene using molecular modelling and multi-spectroscopic methods.

The anticancer activity of triamterene on HCT116 and CT26 colon cancer cells lines was investigated. Furthermore, the mechanism of interaction between triamterene and calf thymus DNA (ct-DNA) and also human serum albumin (HSA) was conducted using spectroscopic and molecular docking techniques. In vitro cytotoxicity of triamterene against HCT116 and CT26 cells showed promising anticancer effects with IC50 values of 31.

Binding Studies of Isoxsuprine Hydrochloride to Calf Thymus DNA Using Multispectroscopic and Molecular Docking Techniques.

In the present work, the interaction of Isoxsuprine (ISX) with Calf thymus DNA (ct-DNA) under physiological conditions (Tris-HCl buffer of pH 7.4) was investigated by using electronic absorption, circular dichroism, viscosity, electrochemical studies, fluorescence techniques, salt effect studies and computational studies. Competitive fluorimetric studies with Hoechst 33258 have shown that ISX exhibit the ability to displace the DNA-bound Hoechst 33258, indicating that it binds to ct-DNA in strong competition with Hoechst 33258 for the minor groove binding.

A green strategy for the synthesis of sulfone derivatives of p-methylaminophenol: Kinetic evaluation and antibacterial susceptibility.

This is one of the few examples in which the diverse products have been synthesized just by changing the applied potential. The synthesis of sulfonyl derivatives of p-methylaminophenol were carried out by reaction of the electrogenerated p-methylquinoneimine with sulfinic acids. Various types of mono (MSP), bis (BSP) and tris (TSP) sulfonyl p-methyl aminophenols were obtained by changing the electrode potential, in one pot under green conditions.