From: Magnetic-field-assisted photothermal therapy of cancer cells using Fe-doped carbon nanoparticles J. Biomed. Opt. 2012;17(1):018003-1-018003-8. doi:10.1117/1.JBO.17.1.018003.

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From: Magnetic-field-assisted photothermal therapy of cancer cells using Fe-doped carbon nanoparticles J. Biomed. Opt. 2012;17(1):018003-1-018003-8. doi:10.1117/1.JBO.17.1.018003 Figure Legend: Experimental set-up for photothermal irradiation. L: Ti: Sapphire Laser; BE: Beam Expander; S: Uniblitz Shutter; P: Polarizer; Fl.: Fluorescence excitation source; Ex: Excitation Filter; Em: Emission Filter; MO: Microscope Objective; CL: Condenser lens; DM1 and DM2: Dichroic Mirrors; M: Mirror; HL: Halogen Lamp. Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved.

From: Magnetic-field-assisted photothermal therapy of cancer cells using Fe-doped carbon nanoparticles J. Biomed. Opt. 2012;17(1):018003-1-018003-8. doi:10.1117/1.JBO.17.1.018003 Figure Legend: (a) HRTEM images of two MCNPs prepared at ∼4 kV using iron electrodes, (b) Magnetization measured from the MCNP powder with a VSM at room temperature. Inset shows accumulation of MCNPs to one side of the bottle under external magnetic-field. Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved.

From: Magnetic-field-assisted photothermal therapy of cancer cells using Fe-doped carbon nanoparticles J. Biomed. Opt. 2012;17(1):018003-1-018003-8. doi:10.1117/1.JBO.17.1.018003 Figure Legend: (a) Absorption spectrum of MCNPs at 28 μg/ml. (b) Theoretical calculation of temperature rise in the focal volume of the laser beam (50 mW) at varying concentration of MCNPs. Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved.

From: Magnetic-field-assisted photothermal therapy of cancer cells using Fe-doped carbon nanoparticles J. Biomed. Opt. 2012;17(1):018003-1-018003-8. doi:10.1117/1.JBO.17.1.018003 Figure Legend: Accumulation of MCNPs on cells under magnetic-field. (a) Schematic showing magnetic lines of force on MCNPs; (b) Actual setup for incubation of cells with MCNPs and external magnet; MCNPs accumulation on cells (c) near center of the magnet; (d) 5 mm away from the center. (e, f) Binary images of c & d respectively. All images are in same magnification, scale bar: 100 μm. Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved.

From: Magnetic-field-assisted photothermal therapy of cancer cells using Fe-doped carbon nanoparticles J. Biomed. Opt. 2012;17(1):018003-1-018003-8. doi:10.1117/1.JBO.17.1.018003 Figure Legend: Cell viability in response to laser irradiation (without MCNP) and MCNP incubation (without laser irradiation). Bright-field and live (Calcein)-dead (PI) staining before (a to c) and after laser irradiation (d to f) in absence of MCNPs. All images are in same magnification, scale bar: 50 μm. (g) Cell viability at varied concentration of MCNPs and incubation period, measured by MTT-assay, p<0.05 w.r.t. 0 hr. Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved.

From: Magnetic-field-assisted photothermal therapy of cancer cells using Fe-doped carbon nanoparticles J. Biomed. Opt. 2012;17(1):018003-1-018003-8. doi:10.1117/1.JBO.17.1.018003 Figure Legend: Magnetic-field-assisted photothermal destruction of targeted HT1080 cells using bubble formed at high power cw NIR laser beam. Live-dead staining (a) before laser irradiation and (b) after bubble formation. All images are in same magnification, scale bar: 50 μm. Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved.

From: Magnetic-field-assisted photothermal therapy of cancer cells using Fe-doped carbon nanoparticles J. Biomed. Opt. 2012;17(1):018003-1-018003-8. doi:10.1117/1.JBO.17.1.018003 Figure Legend: Magnetic-field-assisted photothermal destruction of targeted HT1080 cells using low power cw NIR laser beam. Live-dead staining (a) before laser irradiation; (b) after irradiation in the region at center of field of view marked by square and (c) after irradiating the rectangular region. All images are in same magnification, scale bar: 50 μm. Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved.

From: Magnetic-field-assisted photothermal therapy of cancer cells using Fe-doped carbon nanoparticles J. Biomed. Opt. 2012;17(1):018003-1-018003-8. doi:10.1117/1.JBO.17.1.018003 Figure Legend: Effect of power and wavelength of laser beam on rate of cell death (PI fluorescence appearance time). Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved.