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Transfecting pDNA to E. coli DH5α using bovine serum albumin nanoparticles as a delivery vehicle

24-10-2014 | Jitendra Wagh, Kuldeep J. Patel, Parth Soni, Krutika Desai, Pratik Upadhyay, Hemant P. Soni, Luminescence, 2014

ABSTRACT We describe the formulation of bovine serum albumin nanoparticles (BSA‐NPs) by the coacervation method using surfactants. Plasmids (pUC18, pUC18egfp and pBBR1MCS‐2) isolated from E. coli were incorporated into the BSA matrix by incubating in albumin solution prior to formulation of ...


Fluorescent sensors based on quinoline‐containing styrylcyanine: determination of ferric ions, hydrogen peroxide, and glucose, pH‐sensitive properties and bioimaging

23-10-2014 | Xiaodong Yang, Peiliang Zhao, Jinqing Qu, Ruiyuan Liu, Luminescence, 2014

ABSTRACT A novel styrylcyanine‐based fluorescent probe 1 was designed and synthesized via facile methods. Ferric ions quenched the fluorescence of probe 1, whereas the addition of ferrous ions led to only small changes in the fluorescence signal. When hydrogen peroxide was introduced into the ...


Metal–organic framework MIL‐125(Ti) for efficient adsorptive removal of Rhodamine B from aqueous solution

23-10-2014 | Hongxu Guo, Fan Lin, Jianhua Chen, Feiming Li, Wen Weng, Applied Organometallic Chemistry, 2014

A metal–organic framework material, MIL‐125(Ti), was solvothermally prepared and characterized using X‐ray diffraction, scanning electron microscopy, Fourier transform infrared spectroscopy and surface area measurements. MIL‐125(Ti) was then used as an adsorbent for Rhodamine B (RhB) removal in ...


Hemodialysis membrane surface chemistry as a barrier to lipopolysaccharide transfer

21-10-2014 | Ben Madsen, David W. Britt, Chih‐Hu Ho, Michael Henrie, Cheryl Ford, Eric Stroup, Brent Maltby, Doug Olmstead, Mario ..., Journal of Applied Polymer Science, 2014

ABSTRACT During hemodialysis bacterial lipopolysaccharide (LPS) in contaminated dialysate solution may translocate across the hollow fiber membrane (HFM) to a patient's blood, resulting in fever and possible systemic shock. This study investigates LPS transfer across, and adsorption within, ...


Amphoteric hydrolyzed Poly(acrylamide/dimethyl diallyl ammonium chloride) as a filtration reducer under high temperatures and high salinities

21-10-2014 | Ling Lin, Pingya Luo, Journal of Applied Polymer Science, 2014

ABSTRACT Poly(acrylamide/dimethyl diallyl ammonium chloride) (PAD) samples were synthesized via solution polymerization. Hydrolyzed poly(acrylamide/dimethyl diallyl ammonium chloride) (HPAD) was prepared with NaOH as a hydrolyzation agent. Both PAD and HPAD were characterized by IR and NMR ...


ROMP synthesis of novel thermo‐, pH‐, and salt‐responsive (co)polymers containing the morpholino functional group

21-10-2014 | Johannes A. Hensbergen, Sylvia Ganda, Peter J. Roth, Robert P. Burford, Andrew B. Lowe, Journal of Polymer Science Part A: Polymer Chemistry, 2014

ABSTRACT We report the ring‐opening metathesis polymerization (ROMP) synthesis of novel (co)polymers containing the multiresponsive morpholino functional group [(3aR,7aS)−2‐(2‐morpholinoethyl)−3a,4,7,7a‐tetrahydro‐1H−4,7‐epoxyisoindole‐1,3(2H)‐dione (M1)]. All (co)polymers were prepared with ...


Using controlled radical polymerization to confirm the lower critical solution temperature of an N‐(alkoxyalkyl) acrylamide polymer in aqueous solution

21-10-2014 | Xeniya Savelyeva, Lucia Li, Milan Marić, Journal of Polymer Science Part A: Polymer Chemistry, 2014

ABSTRACT N‐(3‐Methoxypropyl) acrylamide (MPAM) was polymerized by controlled radical polymerization (CRP) methods such as nitroxide‐mediated polymerization (NMP) and reversible addition–fragmentation chain‐transfer polymerization (RAFT). CRP was expected to yield well‐defined polymers with ...


Use of a CO2‐switchable hydrophobic associating polymer to enhance viscosity–response

20-10-2014 | Hongsheng Lu, Ya Liu, Jifeng Jiang, Zhiyu Huang, Journal of Applied Polymer Science, 2014

ABSTRACT A series of copolymers, poly(acrylamide)‐co‐poly(N,N‐dimethylaminoethyl methacrylate)‐co‐poly(N‐cetyl DMAEMA) (abbreviation PDAMCn), was synthesized with different monomer ratios. The resulting copolymer solution shows pronounced viscosity–response property which is CO2‐triggered and ...


Synthesis and characterization of tributyltin derivatives from 4‐oxo‐4‐(arylamino)butanoic acids and their in vitro biological activity against cervical cancer cell lines

20-10-2014 | Irma Rojas‐Oviedo, Carlos Camacho‐Camacho, Luis Sánchez‐Sánchez, Jorge Cárdenas, Hugo López‐Muñoz, Hugo Eugenio‐Robl ..., Applied Organometallic Chemistry, 2014

Uterine (cervix and corpus) cancer is one of the major causes of mortality in women in Mexico. Organotin carboxylated derivatives have shown high cytotoxic activity against various cell lines of human origin. We describe the synthesis of three new tri‐n‐butyltin derivatives from ...


Dynamic covalent polypeptides showing tunable secondary structures and thermoresponsiveness

20-10-2014 | Jiatao Yan, Kun Liu, Xiuqiang Zhang, Wen Li, Afang Zhang, Journal of Polymer Science Part A: Polymer Chemistry, 2014

ABSTRACT Lysine‐based polypeptides can be afforded with steerable secondary structures and tunable thermoresponsiveness through dynamic covalent OEGylation. These polypeptides were formed through dynamic imine linkage via reactions of amino moieties from poly(l‐lysine)s with aldehydes from ...


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