10 Result(s)
within
Mahdi Salami Hosseini
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Article
Coumarin-Modified Starch Fluorescent Nanoparticles as Sensor of Fe3+ and Zn2+ ions Utilizing Dynamic Quenching and Chelation Mechanisms
Zinc and iron are two essential trace minerals that play a pivotal role in maintaining optimal health and well-being in the human body. Despite being required in relatively small quantities, their significance...
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Article
Rhodamine B- and coumarin-modified chitosan as fluorescent probe for detection of Fe3+ using quenching effect
Iron ion is an essential metal ion that plays a crucial role in various metabolic processes in living organisms. It is involved in cellular metabolism, acts as a catalyst for enzymatic reactions, and functions...
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Article
Open AccessSynthesis and characterization of fluorescence poly(amidoamine) dendrimer-based pigments
In this work, we looked at how to make fluorescence hybrid poly(amidoamine) dendrimer (PAMAM) dendrimers using calcozine red 6G and coumarin end groups. After synthesis of ethylenediamine (EDA)-cored 4th gener...
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Article
Open AccessReflectance and photophysical properties of rhodamine 6G/2-(4-methyl-2-oxo-2H-chromen-7-yloxy) acetic acid as cold hybrid colorant
Rhodamine 6G (Rh6G) is modified by ethylenediamine to obtain rhodamine with amine functional groups (Rh6G-NH2). Rh6G-NH2 as an initial core is used to bond coumarin derivatives. Synthesized fluorescent colorants ...
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Article
Identifying the Optimal Path and Computing the Threshold Pressure for Flow of Bingham Fluids Through Heterogeneous Porous Media
Understanding flow of non-Newtonian fluids in porous media is critical to successful operation of several important processes, including polymer flooding, filtration, and food processing. In some cases, such a...
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Article
Experimental and theoretical investigation on polystyrene/n-pentane foaming process
At the present work, foaming process (bubbles nucleation and growth) of Polystyrene (PS)/n-pentane batch foaming system was studied experimentally and theoretically. Synthesized PS was characterized by rheolog...
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Article
Synthesis of silica Janus nanoparticles by buoyancy effect-induced desymmetrization process and their placement at the PS/PMMA interface
This work presents a unique desymmetrization method to produce a high quantity of Janus nanoparticles (JNPs) using dual-phase oil (melted wax)/water system. The four-stage process includes fixing, primary modi...
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Article
The effect of carbon black and HALS hybrid systems on the UV stability of high-density polyethylene (HDPE)
In the present study, attempts were made to study the effect of a hybrid UV stabilizing system on high-density polyethylene (HDPE). For this purpose, high molecular weight PE was used to prepare samples contai...
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Article
Dual thermo- and pH-sensitive poly(2-hydroxyethyl methacrylate-co-acrylic acid)-grafted graphene oxide
A two-step modification was used to attach atom transfer radical polymerization (ATRP) initiator onto graphene oxide surface. ATRP polymerization of 2-hydroxyethyl methacrylate (HEMA) was performed via “grafti...
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Article
Synthesis of dual thermoresponsive and pH-sensitive hollow nanospheres by atom transfer radical polymerization
A facile and effective approach was developed to fabricate dual temperature- and pH-sensitive hollow nanospheres utilizing an atom transfer radical polymerization (ATRP) method. To do this silica nanoparticles...
