Thermal properties of some pyrimidine, purine, amino-acid and mixed ligand complexes

Masoud, Mamdouh S.; Ramadan, Ahmed M.; El-Ashry, Ghada M.

doi:10.1016/j.tca.2012.10.007

Cited by 15 publications

(2 citation statements)

References 47 publications

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“…[ 12,13,15 ] Concisely, thermal cellulose decomposition (Figure 5a) took place through the generation of levoglucosan (1, 6‐anhydro‐β‐d‐glucopyranose). [ 94 ] Its major weight loss starts at around 350°C and corresponds to thermal degradation of (MCC). [ 95 ] Thermal (DAC) decomposition (Figure 5b) exhibited three main thermal degradation stages approximately at (i) 30–100°C, (ii) 160–256°C, and (iii) 300–360°C ascribed to initial (MCC) weight loss caused by water molecules desorption.…”

Section: Resultsmentioning

confidence: 99%

New sonochemical magnetite nanoparticles functionalization approach of dithiooxamide–formaldehyde developed cellulose: From easy synthesis to recyclable 4‐nitrophenol reduction

Mehdaoui

Agren

Dhahri

et al. 2021

Applied Organom Chemis

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Magnetic [FA‐c‐(C‐DTX)@Fe3O4] nanocomposites have been prepared with a four‐step technique involving three mechanical stirring conventional steps to obtain [(FA‐c‐(DTX‐g‐DAC)] and an ultrasound‐assisted Fe3O4 coating approach to fabricate [FA‐c‐(C‐DTX)@Fe3O4]. Magnetic nanoparticles (NPs) (Fe3O4 NPs) synthesis and integration has been easily and rapidly approached under novel environmentally friendly optimized reaction conditions: an ethanol–water solution, one iron precursor use, short reaction time, low temperature, and an ultrasonic irradiation process. This new condition's unique combination is attributed to our new synthesis procedure. Sonochemically synthetisized [FA‐c‐(C‐DTX)@Fe3O4] were easily separated from the reaction mixture simply via external magnetic field application, and therefore, neither filtration nor centrifigation was required. The synthetisized samples have been investigated by Fourier transform infrared (FTIR) spectroscopy, nuclear magnetic resonance (NMR) spectroscopy, X‐ray photoelectron spectroscopy (XPS), X‐ray diffraction (XRD), thermogravimetry analysis (TGA), scanning electron microscopy (SEM), and vibrating‐sample magnetometry (VSM). Obtained outcomes including successful magnetite coating process, good crystallinity, homogenous morphology, enhanced thermal stability, and obvious magnetic properties suggested the potential of sonochemical procedure to fabricate and integrate magnetic NPs. This sonochemically synthesized catalyst was evaluated toward the reduction of the organic pollutant 4‐nitrophenol and showed excellent catalytic activity. This ultrasound‐assisted nanocomposites preparation is simply scalable to meet industrial application.

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Section: Resultsmentioning

confidence: 99%

New sonochemical magnetite nanoparticles functionalization approach of dithiooxamide–formaldehyde developed cellulose: From easy synthesis to recyclable 4‐nitrophenol reduction

Mehdaoui

Agren

Dhahri

et al. 2021

Applied Organom Chemis

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show abstract

“…The thermal behavior of some complexes has been studied applying differential scanning calorimetry (DSC), Figures (1- 3) which can be correlated with their structures [14][15][16][17][18][19]. It ' s known that, in general, different polymorphs of some compounds exist as different structures and possess variable properties, e.g.…”

Section: Thermal Analysismentioning

confidence: 99%

Thermal behavior and thermodynamic parameters of some complexes of biologically active nucleic acid constituents

Masoud¹,

Ramadan²,

Sweyllam³

et al. 2021

World J. Adv. Res. Rev.

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The thermal behavior of some complexes derived from biologically nucleic acid constituents has been studied applying differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) techniques. Thermodynamic parameters, decompositions and thermal stabilities are calculated and explained. All the complexes gave exothermic peaks with -ve signs for change of entropy values, ΔS which indicate that the activated transition states are more ordered, i.e. in a less random molecular configuration than the reacting complexes. TGA gives the mechanism of decomposition.

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Fe3O4 nanoparticles coated by new functionalized tetraaza-2,3 dialdehyde micro-crystalline cellulose: synthesis, characterization, and catalytic application for degradation of Acid Yellow 17

et al. 2017

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Thermal properties of some pyrimidine, purine, amino-acid and mixed ligand complexes

Cited by 15 publications

References 47 publications

New sonochemical magnetite nanoparticles functionalization approach of dithiooxamide–formaldehyde developed cellulose: From easy synthesis to recyclable 4‐nitrophenol reduction

New sonochemical magnetite nanoparticles functionalization approach of dithiooxamide–formaldehyde developed cellulose: From easy synthesis to recyclable 4‐nitrophenol reduction

Thermal behavior and thermodynamic parameters of some complexes of biologically active nucleic acid constituents

Fe3O4 nanoparticles coated by new functionalized tetraaza-2,3 dialdehyde micro-crystalline cellulose: synthesis, characterization, and catalytic application for degradation of Acid Yellow 17

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