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- 저자 : Farukh Jabeen (검색결과 2 건)
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Performance Behavior of Chitosan Based Water Dispersible Polyurethanes: Physicochemical Properties
Noureen Arshad,Khalid Mahmood Zia,Farukh Jabeen,Muhammad Naveed Anjum,Nadia Akram,Muhammad Kaleem Khosa 한국섬유공학회 2018 Fibers and polymers Vol.19 No.11
The research work was carried out to synthesize a series of novel chitosan based water dispersible polyurethanes (CS-WDPUs). The three step synthesis involves the formation of end capped PU-prepolymer was formed through the reaction between polyethylene glycol (PEG) (Mn=600 g/mole, dimethylolpropionic acid (DMPA) and isophorone diisocyanate (IPDI) followed by the preparation of neutralized NCO terminated PU-prepolymer, which lead to the chain extension by using the chitosan. The dispersion of the obtained product was carried out by adding proper proportion of water. The synthesized CS-WDPUs were applied onto the different qualities of plain weave poly-cotton printed and dyed textile swatches by employing pad-dry-cure procedures. The textile assets of the treated and untreated textile swatches were assessed, as color fastness, pilling resistance, tear and tensile strength. The results showed that the chitosan incorporation into PU backbone has significant effect on the assets of treated textiles. These synthesized CS-WDPUs are eco-friendly bio-based finishes with potential applications for polyester/cotton textiles.
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Larik, Fayaz Ali,Faisal, Muhammad,Saeed, Aamer,Channar, Pervaiz Ali,Korabecny, Jan,Jabeen, Farukh,Mahar, Ihsan Ali,Kazi, Mehar Ali,Abbas, Qamar,Murtaza, Ghulam,Khan, Gul Shahzada,Hassan, Mubashir,Seo, Academic Press 2019 Bioorganic chemistry Vol.86 No.-
<P><B>Abstract</B></P> <P>The increasing resistance of pathogens to common antibiotics, as well as the need to control urease activity to improve the yield of soil nitrogen fertilization in agricultural applications, has stimulated the development of novel classes of molecules that target urease as an enzyme. In this context, the newly developed compounds on the basis of 1-heptanoyl-3-arylthiourea family were evaluated for Jack bean urease enzyme inhibition activity to validate their role as potent inhibitors of this enzyme. 1-Heptanoyl-3-arylthioureas were obtained in excellent yield and characterized through spectral and elemental analysis. All the compounds displayed remarkable potency against urease inhibition as compared to thiourea standard. It was found that novel compounds fulfill the criteria of drug-likeness by obeying Lipinski’s rule of five. Particularly compound <B>4a</B> and <B>4c</B> can serve as lead molecules in 4D (drug designing discovery and development). Kinetic mechanism and molecular docking studies also carried out to delineate the mode of inhibition and binding affinity of the molecules.</P> <P><B>Highlights</B></P> <P> <UL> <LI> A new family of 1-heptanoyl-3-arylthioureas (<B>4a-4j</B>) was synthesized in excellent yield. </LI> <LI> The synthesized 1-heptanoyl-3-arylthiourea family were evaluated for Jack bean urease enzyme inhibition activity. </LI> <LI> Particularly compound <B>4a</B> and <B>4c</B> can serve as lead molecules in 4D (drug designing discovery and development). </LI> <LI> Kinetic mechanism and molecular docking studies also carried out to delineate the mode of inhibition and binding affinity. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
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