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215511

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Subrata Kundu
Physical chemistry chemical physics : PCCP, 15(33), 14107-14119 (2013-07-23)
Self-assembled Ag NPs on DNA chains were synthesized using a simple photochemical technique. The size of the individual Ag NPs and their average diameter on the DNA chains can be tuned just by controlling the various reaction parameters. The average...
Sry D Hujaya et al.
Pharmaceutical research, 32(9), 3066-3086 (2015-04-09)
To investigate the properties of phenylboronic acid-functional poly(amido amine) polymers (BA-PAA) in forming multilayered thin films with poly(vinyl alcohol) (PVA) and chondroitin sulfate (ChS), and to evaluate their compatibility with COS-7 cells. Copolymers of phenylboronic acid-functional poly(amido amine)s, differing in...
Samuel P Veres et al.
Journal of orthopaedic research : official publication of the Orthopaedic Research Society, 31(12), 1907-1913 (2013-09-17)
We investigated whether immature allysine-derived cross-links provide mechanically labile linkages by exploring the effects of immature cross-link stabilization at three levels of collagen hierarchy: damaged fibril morphology, whole tendon mechanics, and molecular stability. Tendons from the tails of young adult...
Ammu Mathew et al.
Nanoscale, 7(34), 14305-14315 (2015-08-06)
An efficient method to enhance visible luminescence in a visibly non-luminescent organic-soluble 4-(tert butyl)benzyl mercaptan (SBB)-stabilized Au25 cluster has been developed. This method relies mainly on enhancing the surface charge density on the cluster by creating an additional shell of...
Anna Bachmann et al.
Malaria journal, 14, 274-274 (2015-07-16)
Variant surface antigens (VSA) exposed on the membrane of Plasmodium falciparum infected erythrocytes mediate immune evasion and are important pathogenicity factors in malaria disease. In addition to the well-studied PfEMP1, the small VSA families RIFIN, STEVOR and PfMC-2TM are assumed...
Mihhail Kurašin et al.
The Journal of biological chemistry, 290(48), 29074-29085 (2015-10-16)
Processive glycoside hydrolases are the key components of enzymatic machineries that decompose recalcitrant polysaccharides, such as chitin and cellulose. The intrinsic processivity (P(Intr)) of cellulases has been shown to be governed by the rate constant of dissociation from polymer chain...
Fung-Lung Chung et al.
Chemical research in toxicology, 25(9), 1921-1928 (2012-08-03)
Acrolein (Acr) is a major component in cigarette smoke and a ubiquitous environmental pollutant. It is also formed as a product of lipid peroxidation. Following ring closure via the Michael addition, Acr modifies deoxyguanosine (dG) in DNA by forming cyclic...
Taeheon Lee et al.
Nanoscale, 7(15), 6745-6753 (2015-03-26)
We synthesized poly((furfuryl methacrylate)-co-(2-(dimethylamino)ethyl methacrylate)) (p(FMA-co-DMAEMA)) for the dispersion of single-walled carbon nanotubes (SWCNTs) while maintaining their high aspect ratios. The nanotubes' length and height were 2.0 μm and 2 nm, as determined by transmission electron microscopy and atomic force...
Na Li et al.
Talanta, 141, 212-219 (2015-05-13)
Graphene-based magnetic nanoparticles, comprising zero-valent iron, iron oxide-oxyhydroxide and graphene, were prepared through a simple one-step synthesis method, and subsequently applied to magnetic solid-phase extraction for the determination of trace carbamate pesticides in tomatoes coupled with high performance liquid chromatography....
Agha Zeeshan Mirza
Journal of drug targeting, 23(1), 52-58 (2014-08-26)
The work presented here describes the fabrication of a novel drug delivery system, which consists of gold nanorods and doxorubicin, with the attachment of thioctic acid and folic acid, for the targeted release of drug to cancer cells. Doxorubicin, the...
Ryohei Yamasaki et al.
Bioscience, biotechnology, and biochemistry, 76(4), 772-777 (2012-04-10)
Glycosylation of penta-O-acetyl heptopyranosyl trichloroacetimidate with the 3-OH acceptor, methyl 2-O-benzyl-4,6-O-benzylidene-7,8-dideoxy-α-D-manno-oct-7-enopyranoside, gave the desired α1-3-linked disaccharide in a 94% yield. The oct-enopyranoside moiety of the disaccharide was converted to the heptoside by oxidative cleavage with osmium tetroxide/NaIO(4) and subsequent reduction...
Sawsen Azzouzi et al.
Biosensors & bioelectronics, 69, 280-286 (2015-03-17)
In this work, a novel amperometric biosensor based on gold nanoparticles anchored on reduced graphene oxide (RGO-AuNPs) and l-lactate dehydrogenase (LDH) was developed for the sensing of l-lactate. Firstly, the RGO-AuNPs modified screen printed electrodes were tested for NADH detection...
Daniela Sarahí Gutiérrez-Torres et al.
BioMed research international, 2015, 175025-175025 (2015-09-05)
Inorganic arsenic (iAs) exposure induces a decrease in glucose type 4 transporter (GLUT4) expression on the adipocyte membrane, which may be related to premature births and low birth weight infants in women exposed to iAs at reproductive age. The aim...
Zuhua Wang et al.
Biomaterials, 68, 32-41 (2015-08-13)
Photothermal therapy (PTT) employs photo-absorbing agents to generate heat from optical energy, leading to the 'burning' of tumor cells. Real-time imaging of in vivo distribution of photothermal agents and monitoring of post-treatment therapeutic outcomes are very important to design and optimize...
Jaydee D Cabral et al.
Journal of biomedical materials research. Part A, 103(8), 2611-2620 (2014-12-30)
In developing a chitosan/dextran-based (CD) hydrogel as an adhesion prevention postsurgical aid, the in vivo biodegradation rate, biodistribution, and inflammatory response are important parameters to the biomedical device design. Herein, for the first time, a CD hydrogel was prepared by...
Nader Khodaee et al.
Talanta, 147, 59-62 (2015-11-26)
A simple solventless injection method was introduced based on the using of a solid-phase microextraction (SPME) fiber for injection of large amounts of the analytes extracted by the magnetic solid phase extraction (MSPE) procedure. The resulted extract from MSPE procedure...
Mitsuru Saito et al.
Bone, 81, 573-580 (2015-09-20)
Bazedoxifene (BZA) is used for the treatment of post-menopausal osteoporosis. To elucidate changes in collagen, mineralization, and structural properties and their relationship to bone strength after treatment with BZA in ovariectomized (OVX) monkeys, the levels of collagen and enzymatic immature...
Hyun-Gyu Lee et al.
Journal of hazardous materials, 283, 400-409 (2014-10-14)
In this work, a new hybrid nanocatalyst, namely titanium dioxide (TiO2) composite nanowires, encapsulated with graphene (G) and palladium nanoparticles (Pd NPs) (designated as G-Pd@TiO2-CNWs), was prepared. In preparing the nanowires, a combination of electrospinning and hydrothermal approaches was employed....
Yuanwei Yan et al.
Biomaterials, 73, 231-242 (2015-09-28)
Extracellular matrices (ECM) derived from pluripotent stem cells (PSCs) provide a unique tissue microenvironment that can direct cellular differentiation and tissue regeneration, and rejuvenate aged progenitor cells. The unlimited growth capacity of PSCs allows for the scalable generation of PSC-secreted...
Emrah Yildirim et al.
Talanta, 102, 59-67 (2012-11-28)
Speciation of tellurium can be achieved by making use of different kinetic behaviors of Te(IV) and Te(VI) upon their reaction with sodium borohydride using hydride generation. While Te(IV) can form H(2)Te, Te(VI) will not form any volatile species during the...
Taomin Huang et al.
Talanta, 147, 501-509 (2015-11-26)
To the best of our knowledge, this study is the first to successfully apply a novel, highly selective enrichment technique based on boronic acid-functionalized core-shell magnetic microspheres (BA-Fe3O4@SiO2-Au@mSiO2) with a large surface area and uniform pore size, to determine the...
L Zhang et al.
Cell death & disease, 6, e1771-e1771 (2015-05-29)
Survivin is ubiquitously expressed in patients with head neck squamous cell carcinoma (HNSCC) and is associated with poor survival and chemotherapy resistance. Sepantronium bromide (YM155) is a selective survivin suppressant that exhibits potent antitumor activities by inducing apoptosis and autophagy...
Kohji Abe et al.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism, 34(12), 1907-1913 (2014-09-18)
To assess reactive oxygen species (ROS) production by detecting the fluorescent oxidation product, hydroethidine has been used extensively. The present study was undertaken to evaluate the potential of the hydroethidine derivative as a radiotracer to measure in vivo brain ROS...
Zao Yi et al.
Scientific reports, 5, 16137-16137 (2015-11-06)
Mesoporous gold sponges were prepared using 4-dimethylaminopyridine (DMAP)-stabilized Au seeds. This is a general process, which involves a simple template-free method, room temperature reduction of HAuCl4·4H2O with hydroxylamine. The formation process of mesoporous gold sponges could be accounted for the...
Laura E Valenti et al.
Colloids and surfaces. B, Biointerfaces, 132, 71-77 (2015-06-30)
Silver-coated orthopedic implants and silver composite materials have been proposed to produce local biocidal activity at low dose to reduce post-surgery infection that remains one of the major contributions to the patient morbidity. This work presents the synthesis combined with...
Avijit Paul et al.
Nanoscale research letters, 10, 140-140 (2015-04-09)
With advancements in nanotechnology, silver has been engineered into a nanometre size and has attracted great research interest for use in the treatment of wounds. Silver nanoparticles (AgNPs) have emerged as a potential alternative to conventional antibiotics because of their...
Xiwei Zheng et al.
Journal of chromatography. A, 1400, 82-90 (2015-05-20)
A hybrid method was examined for increasing the binding capacity and activity of protein-based affinity columns by using a combination of protein cross-linking/modification and covalent immobilization. Various applications of this approach in the study of drug-protein interactions and in use...
Andrés Goldman et al.
Cell and tissue research, 361(3), 869-883 (2015-03-31)
MTCH2 has been described in liver as a protein involved in the intrinsic apoptotic pathway, although new evidence also associates this protein with cellular metabolism. In this work, the expression of MTCH2 in testis (an organ in which high levels...
Junlong Tian et al.
International journal of molecular sciences, 16(6), 12547-12559 (2015-06-06)
In this work, Au-Bi(2)Te(3) nanocomposite thermoelectric film with a hierarchical sub-micron antireflection quasi-periodic structure was synthesized via a low-temperature chemical route using Troides helena (Linnaeus) forewing (T_FW) as the biomimetic template. This method combines chemosynthesis with biomimetic techniques, without the...
Martha Lopez-Canul et al.
Pain, 156(2), 305-317 (2015-01-20)
Neuropathic pain is an important public health problem for which only a few treatments are available. Preclinical studies show that melatonin (MLT), a neurohormone acting on MT1 and MT2 receptors, has analgesic properties, likely through MT2 receptors. Here, we determined...
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