In the contemporary, digitally–driven era, prevalence of electronic devices has drastically escalated electromagnetic (EM) pollution levels, marking a significant environmental challenge. Electrospun fiber composites polyvinylidene fluoride (PVDF) and Barium hexaferrite (BHF) were analyzed for their potential usage in X-band shielding applications (EMSAs). Pure PVDF BHF-PVDF composite manufactured by needleless electrospinning. X-ray diffraction (XRD), Fourier-transform infrared spectroscopy...

Low-cost composites with high water absorption capacity were prepared by free radical copolymerization of acrylic acid (AA), acrylamide (AM) and gelatin in aqueous media using N,N' methylene bis-acrylamide (MBA) as crosslinker, potassium persulfate (KPS) initiator rice husk (RH) a filler. The characterized Fourier transform infrared spectroscopy (FT-IR), thermogravimetric analysis (TGA) scanning electron microscopy (SEM). effects different parameters such the alkaline treatment on husk, pH...

Sodium alginate-g-poly(acrylic acid-co-2-hydroxyethyl methacrylate)/montmorillonite superabsorbent composites (SACs) were prepared by graft copolymerization of acrylic acid (AA) and 2-hydroxyethyl methacrylate (HEMA) onto sodium alginate (Na-Alg) in the presence montmorillonite (MMT) using N,N′-methylenebisacrylamide (MBA) as a crosslinker potassium persulfate (KPS) an initiator aqueous solution. The composite structures characterized Fourier transform infrared spectroscopy (FT-IR), X-ray...

A superabsorbent composite was synthesized through free‐radical graft copolymerization of carboxymethyl cellulose, acrylamide, and montmorillonite by means a crosslinker such as N , ′‐methylenebisacrylamide potassium persulfate an initiator. The preparation mechanism proposed, the structures were confirmed using Fourier transform infrared spectroscopy, X‐ray diffraction, thermal gravimetric analysis, scanning electron microscope. factors influencing swelling capacity determined to accomplish...

In the current study, α-aminophosphonates containing thiadiazole moiety (1–4) was synthesized, characterized and their antioxidant anticancer activities were carried out. The compounds synthesized from reaction of 2-amino-5-methyl-1,3,4-thiadiazole with various aldehydes, triphenylphosphite mixed valence Cu(I)/Cu(II) inorganic coordination polymer as a catalyst. elucidation structures out using different spectroscopic techniques. properties radical scavenging methods (DPPH) which exhibited...

A novel series of α-aminophosphonates containing chitosan moiety was obtained in high yields from reactions with aromatic aldehydes and triphenylphosphite the presence lithium perchlorate as a catalyst. The structures synthesized compounds were confirmed by IR 1H NMR spectral data. Compounds (1–4) showed antimicrobial activities against Escherichia coli (NCIM2065), Serratia marcescens, Enterobacter cloacae, Shigella dysenteriae, Salmonella enterica Proteus vulgaris Gram-negative bacteria,...

Abstract The production of environmentally friendly SAP using biodegradable natural resources such as chitosan was synthesized for water saving and controlled-released fertilizer. Chitosan-g-poly(acrylamide)/attapulgite superabsorbent composites (CTS) were created by crosslinking N , '-methylene-bis-acrylamide (MBA) with (Ch), acrylamide, attapulgite (ATP) initiating the reaction potassium persulfate (KPS). Spectroscopic techniques Fourier transform infrared spectroscopy, thermal gravimetric...

Abstract Poly l (+) lactic acid (PLLA) has become crucial in the biomedical industry for various uses. The direct polycondensation method was used to prepare Lactic Acid (PLLA). Different catalysts, including metal oxides and halides, were test polymerization technique. effect of amount catalysts type coupling agent investigated. reaction time solvents also studied. PLLA loaded with isosorbide dinitrate utilizing solvent evaporation process. synthesized polymer-drug system evaluated by...

A series of novel diphenyl(arylamino)(1-phenyl-3-(pyridin-2-yl)-1H-pyrazol-4-yl)methylphosphonates have been synthesized in high yields. They were screened for their antibacterial activities against Escherichia coli (NCIM2065) as a Gram-negative bacterium, Bacillus subtilis (PC1219) and Staphylococcus aureus (ATCC25292) Gram-positive bacteria, Schccaromycies cerevisiae fungus. The minimum inhibitory concentrations (MICs) the synthetic compounds showed moderate antifungal at low (10–1000 μg/mL).

New antibacterial composites were synthesized by modification and functionalization of montmorillonite (MMT). The the reaction MMT clay with quaternary salt p-N,N-dimethylamino benzaldehyde which produced modified functionalized composite in form Schiff bases. bases (4–11) obtained various amines namely o-anisidine, anthranilic acid, p-carboxy aniline, p-methyl p-methoxy p-hydroxy p-nitro aniline p-phenylene diamine. structures newly prepared elucidated Fourier transform infra red (FT-IR),...

Abstract Two series of novel α‐aminophosphonates having heterocyclic moieties were synthesized in high yields. The structures the newly compounds confirmed by their elemental analyses, IR, 1 H NMR and MS spectral data. These screened for antibacterial activities against Escherichia coli (NCIM2065) as a Gram‐negative bacterium, Bacillus subtilis (PC1219) Staphylococcus aureus (ATCC25292) Gram‐positive bacteria, Candida albicans Saccharomyces cerevisiae fungi. minimum inhibitory concentrations...

Abstract A series of diphenyl (4′-(aryldiazenyl)biphenyl-4-ylamino)(pyridin-3-yl)methyl- phosphonates 2–7 was synthesized in high yields and their antimicrobial activities were investigated. Some compounds showed against Escherichia coli as a gram-negative bacterium, Bacillus subtilis Staphylococcus aureus gram-positive bacteria, Candida albicans Schccaromycies cerevisiae fungi at low concentrations (10–1000 μg/mL). Supplemental materials are available for this article. Go to the publisher's...

Abstract Diphenyl 1-(arylamino)(pyridin-3-yl)methylphosphonates were obtained in high yields from the reactions of nicotinaldehyde with aromatic amines and triphenylphosphite presence titanium tetrachloride (TiCl4) as a catalyst. The structures synthesized compounds confirmed by IR, 1H NMR mass spectral data their purities elemental analyses. α-aminophosphonates showed moderate to antimicrobial activities against Escherichia coli (NCIM2065) Gram-negative bacterium, Bacillus subtilis (PC1219)...

A range of heterogeneous, inexpensive and benign Schiff bases-montmorillonite composites were synthesized screened for their antibacterial activity against common microbial pathogens. Sodium montmorillonite (Na-MMT) clay was modified with tris(2-ethylamine) in the presence dilute HCl to yield a quaternary salt clay. The bases then fabricated from reaction using different aldehydes. structures obtained compounds confirmed by Fourier transformer Infrared (FT-IR), X-ray diffraction (XRD),...

A significant issue in cancer biology is finding anticancer therapies that effectively kill cells. Through the use of several aldehydes, Schiff bases based on branched poly (p-hydroxy styrene) are created. The polymer first chloroacetylated, then aminated with 1,4-phenylenediamine, and finally, aldehydes reacted to produce base compounds. utilization FTIR, TGA, XRD, NMR, elemental analysis, all synthesized Schiff-bases identified characterized. Further, antineoplastic potential evaluated...