(Bactericidal effect of silver nanoparticles

Photocatalytic bactericidal activity of silver-sensitized titanium dioxide on Micrococcus lylae

Photocatalytic bactericidal activity of silver-sensitized titanium dioxide on Micrococcus lylae
... the loss of cell viability CONCLUSION Based on the experimental results, disinfection of water by PCO is feasible The effectiveness of bactericidal action can be improved by optimization of physico-chemical ... the loss of cell viability at the early stage of PCO and the appearance of electron-translucent region after 30 of irradiation Cell wall destruction was believed to be a secondary phenomenon after ... population after irradiation time (T) Transmission electron microscopy (TEM) Aliquots of reaction suspension were sampled for TEM study after 0, 30, 60 and 120 of photocatalytic reaction Samples...
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A Plasmonic Photocatalyst Consisting of Silver NanoparticlesEmbedded in Titanium Dioxide

A Plasmonic Photocatalyst Consisting of Silver NanoparticlesEmbedded in Titanium Dioxide
... a fourth approach, namely plasmonic photocatalysis The idea of plasmonic photocatalysis is as follows TiO2 of anatase phase is a semiconductor with a band gap of 3.26 eV,12 so near UV irradiation ... photocatalysis Similar ideas were already outlined in the past.14,15 For example the photoinduced charging and dark discharging of a silver core as a means to modulate the surface plasmon band of Ag@TiO2 ... a further cardinal advantage of the present device is the ability to fabricate it as a large area photocatalytic material J AM CHEM SOC VOL 130, NO 5, 2008 1679 Awazu et al ARTICLES Acknowledgment...
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báo cáo hóa học: " Structural and thermal studies of silver nanoparticles and electrical transport study of their thin films" pdf

báo cáo hóa học:
... al.: Structural and thermal studies of silver nanoparticles and electrical transport study of their thin films Nanoscale Research Letters 2011 6:434 Submit your manuscript to a journal and benefit ... http://www.nanoscalereslett.com/content/6/1/434 Page of A B Figure FETEM and HRTEM images of silver nanoparticles (a) FETEM image of silver nanoparticles (b) High-resolution image of a single silver nanoparticle and inset shows ... method for the preparation of silver nanoparticles and their thin films is simple, convenient, and viable which allows nanocrystalline silver particles of spherical shape and almost narrow size distribution...
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báo cáo hóa học:" Effect of TiO2 nanoparticles in the earthworm reproduction test" pot

báo cáo hóa học:
... deviation of 22% is significantly lower than the variation in the number of offspring during the year, indicating that the fluctuation in the absolute number of juveniles cannot be explained by ... that depresses reproduction in the winter Further experiments will be necessary to determine (1) the mode of action of the nanoparticles, (2) the important parameters causing the effect (e.g., ... activity One of these tests started in January, and the other, in April Figure shows the mean number of juveniles in the control vessels (containing the natural soil RefeSol 01A) in tests starting at...
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Báo cáo hóa học: "Effect of TiO2 nanoparticles in the earthworm reproduction test" docx

Báo cáo hóa học:
... deviation of 22% is significantly lower than the variation in the number of offspring during the year, indicating that the fluctuation in the absolute number of juveniles cannot be explained by ... activity One of these tests started in January, and the other, in April Figure shows the mean number of juveniles in the control vessels (containing the natural soil RefeSol 01A) in tests starting at ... or absence of a coating Results: Uncoated nanoparticles stimulated earthworm reproduction in a concentrationdependent manner during winter testing, increasing the number of offspring by up to...
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Báo cáo hóa học: " Assembly of Silver Nanoparticles into Hollow Spheres Using Eu(III) Compound based on Trifluorothenoyl-Acetone" doc

Báo cáo hóa học:
... plasmon resonant absorption of 123 silver nanoparticles as shown in curve B of Fig 2, suggesting that the silver hollow spheres consisted of silver nanoparticles The surface plasmon resonant ... surface image of silver hollow spheres (b) The SNOM transmittance image of silver hollow spheres Fig (a) SEM images of the silver hollow spheres and (b) HRFSEM images of the silver hollow spheres 123 ... absorption of silver nanoparticles The result further confirms that the silver hollow spheres shown in Fig 3a are attributed to the silver nanoparticles assembling The surface properties of silver hollow...
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Research ArticleGreen Synthesis of Silver Nanoparticles UsingPolyalthia longifoliaLeaf Extract along with D-Sorbitol:StudyofAntibacterialActivity

Research ArticleGreen Synthesis of Silver Nanoparticles UsingPolyalthia longifoliaLeaf Extract along with D-Sorbitol:StudyofAntibacterialActivity
... and 10−4 M silver nitrate (AgNO3 ) and 10−2 M of D-sorbitol was prepared and used for the synthesis of silver nanoparticles mL of extract and mL of D-sorbitol were added to 40 mL of AgNO3 solution ... effect of temperature on the synthesis of silver nanoparticles was carried out at room temperature (25◦ C) and 60◦ C The silver nanoparticles synthesized using Polyalthia longifolia leaf extract ... rapid green synthesis of silver and gold nanoparticles, ” Spectrochimica Acta Part A, vol 78, no 2, pp 899–904, 2011 R Veerasamy, T Z Xin, S Gunasagaran et al., “Biosynthesis of silver nanoparticles...
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báo cáo khoa học: "Interaction of silver nanoparticles with HIV-1" pdf

báo cáo khoa học:
... PVPcoated silver nanoparticles g) HAADF image of BSA-coated silver nanoparticles h) Size distribution of BSA-coated nanoparticles measured by TEM analysis i) UV-Visible spectrum of BSA-coated silver nanoparticles ... spectrum of carbon-coated silver nanoparticles d) HAADF image of PVP-coated silver nanoparticles e) Size distribution of PVP-coated nanoparticles measured by TEM analysis f) UV-Visible spectrum of ... assigned to the out-ofplane dipole resonance of the silver nanoparticles indicating the presence of spherical particles with small diameters In addition, the synthesis of silver nanoparticles by...
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báo cáo khoa học: "Mechanistic aspects of biosynthesis of silver nanoparticles by several Fusarium oxysporum strains" pps

báo cáo khoa học:
... synthesis of silver nanoparticles by a silver- tolerant yeast strain MKY3 Nanotechnology 2003, 14:95-100 Souza GIH, Marcato PD, Durán N, Esposito E: Utilization of Fusarium oxysporum in the biosynthesis ... gold nanoparticles by the fungus Fusarium oxysporum Chem Biochem 2002, 3:461-463 Ahmad A, Mukherjee P, Senapati S, Mandal D, Khan MI, Kumar R, Sastry M: Extracellular biosynthesis of silver nanoparticles ... http://www.jnanobiotechnology.com/content/3/1/8 Figure Hypothetical mechanisms of silver nanoparticles biosynthesis Hypothetical mechanisms of silver nanoparticles biosynthesis and Molecular Biology Laboratory-Piracicaba,...
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báo cáo khoa học: " Mode of antiviral action of silver nanoparticles against HIV-1" doc

báo cáo khoa học:
... Do silver nanoparticles act as entry inhibitors? In this study, we investigated the mode of antiviral action of silver nanoparticles against HIV-1 Our results reveal, for the first time, that silver ... Page of 10 Table Antiviral effect of silver salts and nanoparticles against HIV-1 Silver compound Silver nanoparticles IC50* HeLa cells CC50* TI 0.44 mg/mL (± 0.3) 3.9 mg/mL (± 1.6) 8.9 Silver ... virus (Table 1) Antiviral activity of silver nanoparticles and ions To define that the observed antiviral effect of silver nanoparticles is due to nanoparticles, rather than just silver ions present...
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báo cáo khoa học: "Anti-oxidant effect of gold nanoparticles restrains hyperglycemic conditions in diabetic mice" ppt

báo cáo khoa học:
... anti-oxidative effect of traditional gold in treatment of diseases, have affirmed the urge for the need of study over restorative effect of gold nanoparticles at conditions of, hyperglycemia leading to, ... streptozotocin-induced diabetic mice in response to gold nanoparticles treatment The ability of gold nanoparticles to maintain the blood glucose of the diabetic treated mice near to the control in various time intervals ... define the molecular mechanisms of the anti-oxidative effect of gold nanoparticles due to high glucoseinduced oxidative stress in the mice, the effects of gold nanoparticles on GSH levels in...
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báo cáo khoa học: " Interaction of silver nanoparticles with Tacaribe virus" pot

báo cáo khoa học:
... HH, Yacaman MJ: Interaction of silver nanoparticles with HIV-1 J of Nanobiotech 2005, 3:6 Rogers JV, Parkinson CV, Choi YW, Speshock JL, Hussain SM: A Preliminary Assessment of Silver Nanoparticle ... Speshock et al.: Interaction of silver nanoparticles with Tacaribe virus Journal of Nanobiotechnology 2010 8:19 Submit your next manuscript to BioMed Central and take full advantage of: • Convenient ... Matijevi E: Preparation of highly concentrated stable dispersions of uniform silver nanoparticles J Colloid Interface Sci 2003, 260:75-81 Sondi I, Salopek-Sondi B: Silver nanoparticles as antimicrobial...
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báo cáo khoa học: "Use of silver nanoparticles increased inhibition of cell-associated HIV-1 infection by neutralizing antibodies developed against HIV-1 envelope proteins" potx

báo cáo khoa học:
... of silver nanoparticles increased inhibition of cell-associated HIV-1 infection by neutralizing antibodies developed against HIV-1 envelope proteins Journal of Nanobiotechnology 2011 9:38 Submit ... 1:640 The addition of AgNPs Figure HIV inhibition of cell free HIV IIIB virus infection by HIV-1 gp120 Antiserum (PB1) and Silver Nanoparticles Serial two-fold dilutions of HIV-1 gp120 Antiserum ... antiviral activity of Neutralizing Antibodies (NABs) against HIVIIIB cell-associated virus Serial two-fold dilutions of neutralizing antibodies: Monoclonal antibody to HIV-1 gp41 (126-7), HIV-1 gp120...
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Báo cáo khoa hoc:" Biomedical potential of silver nanoparticles synthesized from calli cells of Citrullus colocynthis (L.) Schrad" docx

Báo cáo khoa hoc:
... doi:10.1186/1477-3155-9-43 Cite this article as: K et al.: Biomedical potential of silver nanoparticles synthesized from calli cells of Citrullus colocynthis (L.) Schrad Journal of Nanobiotechnology 2011 9:43 Submit ... pathogens [14] Therefore the present study, we evaluated, biomedical potential of silver nanopaticles synthesized from calli extract of Citrullus colocynthis on Human epidermoid larynx carcinoma (HEp ... atmosphere for the attachment of cells to bottom of the wells Cell Treatment with silver nanoparticles The amount of different concentrations of stabilized silver nanoparticles was added to each...
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Green synthesis of silver nanoparticles from marigold flower and its synergistic antimicrobial potential

Green synthesis of silver nanoparticles from marigold flower and its synergistic antimicrobial potential
... (mm) (B) (mm) 738 Silver nanoparticles of marigold flower and its synergistic antimicrobial potential Table 3A 739 Synergistic activity of AgNPs of T erecta flower with different standard antibiotics ... Laurencin, C.T., 2007 Silver nanoparticles: synthesis and therapeutic applications J Biomed Nanotechnol 3, 301–316 Silver nanoparticles of marigold flower and its synergistic antimicrobial potential Niraimathi, ... different parts of plant extracts are ecofriendly, economical and safe for the synthesis of nanoparticles Use of flower extract for synthesis of nanoparticles has an added advantage of environmental...
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