搜索范围
S6506
应用筛选条件
关键词:'S6506'
显示 1-30 共 105 条结果 关于 "S6506" 范围 论文
Mohammad Kamruzzaman et al.
Biomedical microdevices, 15(1), 195-202 (2012-10-12)
A rapid and sensitive chemiluminescence (CL) system coupled with a microfluidic chip has been presented to determine vitamin B12 (VB12) based on the reaction of luminol and silver nitrate (AgNO(3)) in the presence of gold nanoparticles (AuNPs). A microfluidic chip
Yi-Chun Kuo et al.
PloS one, 6(7), e22382-e22382 (2011-08-06)
Surface plasmon resonance (SPR) biosensors have been recognized as a useful tool and widely used for real-time dynamic analysis of molecular binding affinity because of its high sensitivity to the change of the refractive index of tested objects. The conventional
Lung-Shuo Wang et al.
International journal of nanomedicine, 10, 2685-2696 (2015-04-17)
Silver nanoparticles have been used in various fields, and several synthesis processes have been developed. The stability and dispersion of the synthesized nanoparticles is vital. The present article describes a novel approach for one-step synthesis of silver nanoparticles-embedded chitosan particles.
Caroline Le Maréchal et al.
Veterinary research, 42, 35-35 (2011-02-18)
Staphylococcus aureus is a major cause of mastitis in ruminants. In ewe mastitis, symptoms range from subclinical to gangrenous mastitis. S. aureus factors or host-factors contributing to the different outcomes are not completely elucidated. In this study, experimental mastitis was
Merel J C van der Ploeg et al.
Environmental toxicology and chemistry, 33(4), 743-752 (2013-12-10)
The impact of silver nanoparticles (AgNP; at 0 mg Ag/kg, 1.5 mg Ag/kg, 15.4 mg Ag/kg, and 154 mg Ag/kg soil) and silver nitrate (AgNO3 ; 15.4 mg Ag/kg soil) on earthworms, Lumbricus rubellus, was assessed. A 4-wk exposure to
Nikunj Mapara et al.
Applied microbiology and biotechnology, 99(24), 10655-10667 (2015-09-13)
Pseudomonas aeruginosa is a leading opportunistic pathogen and its expanding drug resistance is a growing menace to public health. Its ubiquitous nature and multiple resistance mechanisms make it a difficult target for antimicrobial chemotherapy and require a fresh approach for
Mohammad Ali et al.
Materials science & engineering. C, Materials for biological applications, 58, 359-365 (2015-10-20)
Unlike chemical synthesis, biological synthesis of nanoparticles is gaining tremendous interest, and plant extracts are preferred over other biological sources due to their ample availability and wide array of reducing metabolites. In this project, we investigated the reducing potential of
Nanda A Singh et al.
The Journal of physiology, 586(14), 3405-3423 (2008-05-17)
The childhood epilepsy syndrome of benign familial neonatal convulsions (BFNC) exhibits the remarkable feature of clinical remission within a few weeks of onset and a favourable prognosis, sparing cognitive abilities despite persistent expression of the mutant KCNQ2 or KCNQ3 potassium
Emmanouil Kasotakis et al.
Methods in molecular biology (Clifton, N.J.), 996, 195-202 (2013-03-19)
Self-assembling peptides are water soluble and form biocompatible nanostructures under mild conditions through non-covalent interactions. They form supramolecular structures such as ribbons, nanotubes, and fibrils. Of particular interest is the possibility of using these peptide fibrils as templates for the
Claire Saulou et al.
Analytical and bioanalytical chemistry, 405(8), 2685-2697 (2013-01-29)
The present work was focused on elucidating biochemical changes in the model bacterium Escherichia coli exposed to ionic silver mediated stress, at a single-cell scale. In order to achieve this, in situ synchrotron Fourier-transform infrared (sFTIR) microspectroscopy was performed, for
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
Jing-Kun Yan et al.
Carbohydrate polymers, 97(2), 391-397 (2013-08-06)
A facile, simple, and eco-friendly method using 4-acetamido-2,2,6,6-tetramethypiperidine-1-oxyl radical-oxidized curdlan (Oc) as both reducing and stabilizing agents was developed for the fabrication of silver nanoparticles (AgNPs) from silver nitrate (AgNO₃). The structure, morphology, and particle size of the as-prepared AgNPs
Duraisamy Kalpana et al.
Enzyme and microbial technology, 52(3), 151-156 (2013-02-16)
Silver nanoparticles were synthesized by biological method using cultural filtrate of Klebsiella pneumoniae cultured under simulated microgravity and silver nitrate solution as precursor. The nanoparticles exhibited typical plasmon absorption maximum of silver nanoparticles between 405 and 407 nm. Spherical silver
Ramesh Subbiah et al.
International journal of nanomedicine, 10 Spec Iss, 191-201 (2015-09-09)
In order for nanoparticles (NPs) to be applied in the biomedical field, a thorough investigation of their interactions with biological systems is required. Although this is a growing area of research, there is a paucity of comprehensive data in cell-based
K Sheehy et al.
Journal of colloid and interface science, 443, 56-64 (2014-12-23)
Metallic nanoparticles such as nano-silver have found many applications as alternative antimicrobials in recent years. However methods for determining their proposed antimicrobial activity have received little attention to date. The disk diffusion assay is commonly used as a demonstration of
Chiara Di Bari et al.
Bioelectrochemistry (Amsterdam, Netherlands), 107, 30-36 (2015-11-03)
cathodes. Nanostructuring was provided by gold nanorods (AuNRs), which were characterized and covalently attached to electrodes made of low-density graphite. The nanostructured electrode was the scaffold for covalent and oriented attachment of ThLc. The bioelectrocatalytic currents measured for oxygen reduction
Irina Blinova et al.
Environmental science and pollution research international, 20(5), 3456-3463 (2012-11-13)
Although silver nanoparticles (NPs) are increasingly used in various consumer products and produced in industrial scale, information on harmful effects of nanosilver to environmentally relevant organisms is still scarce. This paper studies the adverse effects of silver NPs to two
Chia-Yun Chen et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 16(3), 540-545 (2014-12-19)
Metal-assisted chemical etching (MaCE) on silicon (Si)-mediated by polyvinylpyrrolidone (PVP)-is systematically investigated herein. It is found that the morphologies and crystallographic natures of the grown silver (Ag) dendrites can be significantly modulated, with the presence of PVP in the MaCE
Isaac Asiamah et al.
Bioorganic & medicinal chemistry, 23(21), 7007-7014 (2015-10-07)
Nordihydroguaiaretic acid (NDGA) is a natural polyphenol with a broad spectrum of pharmacological properties. However, its usefulness is hindered by the lack of understanding of its pharmacological and toxicological pathways. Previously we showed that oxidative cyclisation of NDGA at physiological
Takamitsu Miyayama et al.
Toxicology, 305, 20-29 (2013-01-22)
Silver (Ag) possesses antibacterial activity and has been used in wound dressings and deodorant powders worldwide. However, the metabolic behavior and biological roles of Ag in mammals have not been well characterized. In the present study, we exposed human bronchial
Fabrication of SWCNT-Ag nanoparticle hybrid included self-assemblies for antibacterial applications.
Sayanti Brahmachari et al.
PloS one, 9(9), e106775-e106775 (2014-09-06)
The present article reports the development of soft nanohybrids comprising of single walled carbon nanotube (SWCNT) included silver nanoparticles (AgNPs) having superior antibacterial property. In this regard aqueous dispersing agent of carbon nanotube (CNT) containing a silver ion reducing unit
Tomonobu Ishida et al.
Organic letters, 15(4), 848-851 (2013-02-05)
Benzoxazine-2-one derivatives are important heterocycle structures because of their various pharmaceutical activities, though their synthetic methods had been limited. In some cases, toxic reagents, such as phosgene or carbon monoxide, are required. It was found that a silver catalyst successfully
R K Kar et al.
Pakistan journal of biological sciences : PJBS, 16(24), 1991-1996 (2014-02-13)
Regulation of stomatal aperture is crucial in terrestrial plants for controlling water loss and gaseous exchange with environment. While much is known of signaling for stomatal opening induced by blue light and the role of hormones, little is known about
Min-Hwa Chang et al.
Nanoscale research letters, 9(1), 330-330 (2014-07-16)
Thin and long silver nanowires were successfully synthesized using the polyvinylpyrrolidone (PVP)-assisted polyol method in the presence of ionic liquids, tetrapropylammonium chloride and tetrapropylammonium bromide, which served as soft template salts. The first step involved the formation of Ag nanoparticles
F Gagné et al.
Journal of toxicology and environmental health. Part A, 76(8), 479-490 (2013-06-01)
The increasing application of silver nanoparticles (nAg) in various consumer products has raised concerns regarding toxicological impacts in the environment. It is unclear at present whether the toxicity of nAg is mainly the result of the release of ionic Ag(+)
Masato Miyakawa et al.
Nanoscale, 6(15), 8720-8725 (2014-06-21)
Continuous synthesis of Pd@Pt and Cu@Ag core-shell nanoparticles was performed using flow processes including microwave-assisted Pd (or Cu) core-nanoparticle formation followed by galvanic displacement with a Pt (or Ag) shell. The core-shell structure and the nanoparticle size were confirmed using
The toxicology of silver nitrate.
S D Humphreys et al.
Adverse drug reactions and toxicological reviews, 17(2-3), 115-143 (1998-12-05)
Hong-Bo Pang et al.
Nature communications, 5, 4904-4904 (2014-10-04)
Neuropilins (NRPs) are trans-membrane receptors involved in axon guidance and vascular development. Many growth factors and other signalling molecules bind to NRPs through a carboxy (C)-terminal, basic sequence motif (C-end Rule or CendR motif). Peptides with this motif (CendR peptides)
N Narayan et al.
Annals of the Royal College of Surgeons of England, 96(3), e3-e4 (2014-05-02)
Cauterisation with silver nitrate is commonly used to treat overgranulation. Silver nitrate has a high density and a high mass attenuation coefficient, and it is therefore highly radio-opaque. We present a case in which its topical application to an area
Artak Tovmasyan et al.
Journal of inorganic biochemistry, 140, 94-103 (2014-08-03)
In the present study we have synthesized a novel amphiphilic porphyrin and its Ag(II) complex through modification of water-soluble porphyrinic structure in order to increase its lipophilicity and in turn pharmacological potency. New cationic non-symmetrical meso-substituted porphyrins were characterized by
1/4