Thus, N-alkylation of phenothiazine with different alkyl groups afforded the corresponding compounds 1a-c, which upon Vilsmeier ... Knoevenagel condensation between 2a-c and cyanoacetic acid in the presence of ammonium acetate produced the desired ... A cyanoacrylate group was attached to one side of the compound, acting as an electron acceptor. We envisioned that the ... formylation and then Knoevenagel condensation between the carbaldehyde and cyanoacetic acid in the presence of ammonium acetate ...

... to scan for individual compounds (mobile phase A: 20% HPLC methanol, 80% HPLC water, and 1 mM ammonium acetate; mobile phase B ... These processes provide confidence in the claim that the compounds measured were, in fact, the compounds of interest. The ... To isolate the compounds of interest, partial purification of the 25% solution was performed on a Preppy apparatus (Sigma- ... d4-AEA was added to act as an internal standard to determine the recovery of the compounds of interest. The tubes were then ...

... cationic surfactants may be protonated long-chain amines and long-chain quaternary ammonium compounds), and amphoteric ... The ammonium citrate prevents the growth and aggregation of nanoparticles, resulting in a stable CuO aqueous nanofluid with ... Journal of Alloys and Compounds, vol. 434-435, pp. 672-674, 2007. ...

For instance, ammonium bicarbonate (NH4HCO3) contains 17% of nitrogen, whereas diammonium phosphate ((NH4)2HPO4) contains 15-18 ... nitrogen fertilizer can be increased appropriately or high-nitrogen compound fertilizer can be used instead of common compound ... Therefore, for straw returning to the field by no-tillage mulching, the amount of urea or ammonium bicarbonate and diammonium ... The application rate for ammonium bicarbonate or diammonium phosphate was adjusted to 2.5-3 times higher than that of urea ...

The leaf sample consisted of the central two pairs of leaflets taken from the second compound leaf, according to instructions ... Half of the N dose was furnished by urea and the other half by ammonium sulfate, whereas potassium was furnished by potassium ...

Telomestatin is the benchmark compound in terms of G-quadruplex recognition (Figure 2). This natural compound was isolated from ... P. Wang, L. Ren, H. He, F. Liang, X. Zhou, and Z. Tan, "A phenol quaternary ammonium porphyrin as a potent telomerase inhibitor ... A further noteworthy family of porphyrins is hemin and related compounds. Hemin, also known as Fe(III)-protoporphyrin IX ( ... Both compounds are composed of two large polycyclic aromatic moieties, namely, acridine [207-209] or quinacridine [210-212], ...

K. Okuda, I. Urabe, Y. Yamada, and H. Okada, "Reaction of glutaraldehyde with amino and thiol compounds," Journal of ... For protein achievement, 10 g of soy proteins were precipitated by an ammonium sulfate gradient (0-85%) [15]. The desolvation ... the increasing use of these compounds has led to the development of antibiotic resistance [23]. One of the best ways to reduce ... Protein-based nanostructures are suitable compounds for drug delivery systems, especially antibiotic delivery systems [10]. ...

The HPLC polyphenol and alkaloid analysis revealed chlorogenic acid as the most abundant compound. All extracts had a good ,i, ... The HPLC polyphenol and alkaloid analysis revealed chlorogenic acid as the most abundant compound. All extracts had a good in ... The optimum method consisted of a gradient elution using solvent A, 10 mM of ammonium acetate pH 5, and solvent B as ... The UV-Vis detection of the compounds has been accomplished using the DAD detector that measured the entire spectrum in the 210 ...

... thiol compounds, organophosphorus compounds, and amino compounds [48-51]. Polymer ligand including nonionic and ionic polymers ... protected Pt NPs were transferred into organic solvent with the support of cetyl trimethyl ammonium bromide (CTAB) to secondly ... X. Hu, F. Li, N. Noor, and D. Ling, "Platinum drugs: from Pt(II) compounds, Pt(IV) prodrugs, to Pt nanocrystals/nanoclusters," ... B. Rosenberg, L. Vancamp, J. E. Trosko, and V. H. Mansour, "Platinum compounds: a new class of potent antitumour agents," ...

During the reaction of ammonia and carbon dioxide in a carbamate maker, high-pressure fuels form ammonium carbamate. The ... In fact, chlorophyll, proteins, and protein-carrying compounds are all made from nitrogen [4]. Compared to other nutrients, ... Steam is used in several parts of the unit that the ammonium carbamate is then converted to urea and water. The urea production ... converting ammonia and carbon dioxide into liquid ammonium carbamate (NH2COONH4), while urea (NH2CONH2) and water are extracted ...

was dissolved in bmimCl by using Cs2UO2Cl4 or UO2Cl2·nH2O compounds and reported the quasireversible reduction of to . ... coefficients of palladium complex in phosphonium-based ionic liquids were slightly larger than those in corresponding ammonium ... and amazing ability to dissolve organic and inorganic compounds In view of this, RTILs are being explored for various ... Journal of Alloys and Compounds, vol. 431, no. 1-2, pp. 221-225, 2007. ...

H. B. Jiang, Y. K. Kim, J. H. Ji, I. S. Park, T. S. Bae, and M. H. Lee, "Surface modification of anodized Mg in ammonium ... Journal of Alloys and Compounds, vol. 591, pp. 34-40, 2014. ... Journal of Alloys and Compounds, vol. 720, pp. 245-253, 2017. ... "Achieving controllable degradation of a biomedical magnesium alloy by anodizing in molten ammonium bifluoride," Surface and ...

These colored compounds are not only aesthetically displeasing but also inhibiting sunlight penetration into the stream and ... one is composed of 50 mL ammonium metavanadate (1 M) and the other contains 50 mL sodium tungstate (0.5 M). These solutions ...

Commercially pure Ti sheets were anodized in an electrolyte containing ethylene glycol, distilled water and ammonium fluoride ... Electrolyte was ethylene glycol with 0.5 wt% ammonium fluoride (NH4F) and 3 vol% distilled water [28]. These sheets were then ... of the TiO2/Ag compound coating might be advantageous for medical use [43]. In this regard, titanium surface can be modified by ... Commercially pure Ti sheets were anodized in an electrolyte containing ethylene glycol, distilled water and ammonium fluoride ...

G. D. Li, H. X. Yu, L. Q. Xu et al., "General synthesis of carbon nanocages and their adsorption of toxic compounds from ... "Characterization of a novolac resin substituting phenol by ammonium lignosulfonate as filler or extender," BioResources, vol. 2 ... Journal of Alloys and Compounds, vol. 627, pp. 7-12, 2015. ...

The unreacted compounds, characterized by high mobility, influence significantly the plastic deformation inducing low strength ... ammonium phosphate dibasic ((NH4)2HPO4), and urea ((NH2)2CO) were purchased from Sigma-Aldrich Company (Milano, Italy). The ... However, at highest concentration (0.05 mg/ml) both HA 20% and commercial compounds showed a significant increase in cell death ...

... the minimum torque ML and maximum torque MH of all DPNR-graft-PMMA compounds have higher values than the virgin DPNR compounds ... High ammonium natural rubber latex (HANR, 60 wt.% of dry rubber content rubber) was supplied by Merufa Co., Ltd, Vietnam. ... The DPNR-graft-PMMA 15 wt.% compound exhibited the highest . The increase in (. ) elucidated an increased crosslink density in ... of DPNR-graft-PMMA compounds were found to be much smaller than virgin DPNR, indicating that the presence of MMA in DPNRs ...

1 ammonium formate + 0.1% [v/v] formic acid) and solvent B (2-propanol + 20 mmol L−1 ammonium formate + 0.1% [v/v] formic acid ... N. V. Zhukova, "Lipids and fatty acids of nudibranch mollusks: potential sources of bioactive compounds," Marine Drugs, vol. 12 ... Louis, MO, USA). Chloroform, ammonium formate, and hydrochloric acid were purchased from Sigma-Aldrich (St. Louis, MO, USA). ... ion was likely produced by ammonium formate in the LC mobile phase. The [M + Na]+ and [M + K]+ ions are produced during the ...