contrast agent carbon nanotube

Gadolinium-functionalised multi-walled carbon …

In this paper, functionalised multi-walled carbon nanotubes (MWNTs) were engineered for cell labelling in T1-weighted MRI appliions. These sophistied constructs were covalently functionalised with the gadolinium (Gd) chelating agent, diethylene triamine pentaacetic acid (DTPA), enabling tight attachment of Gd atoms onto the nanotube surface.

In vivo photoacoustic (PA) mapping of sentinel …

In this study, we have demonstrated a non-invasive single-walled carbon nanotube (SWNT)-enhanced photoacoustic (PA) identifiion of SLN in a rat model. We have used single-walled carbon nanotubes (SWNTs) as a photoacoustic contrast agent to map non-invasively the sentinel lymph nodes (SLNs) in a rat model in vivo.

Gold Nanoparticle Coated Carbon Nanotube …

We report a new type of carbon nanotube ring (CNTR) coated with gold nanoparticles ([email protected]) using CNTR as a template and surface attached redox-active polymer as a reducing agent. This nanostructure of CNTR bundle eedded in the gap of closely attached AuNPs can play multiple roles as a Raman probe to detect cancer cells and a photoacoustic (PA) contrast agent for imaging-guided …

Single-walled carbon nanotubes as a …

Abstract. We have developed a novel carbon nanotube-based contrast agent for both thermoacoustic and photoacoustic tomography. In comparison to deionized water, single-walled carbon nanotubes exhibited more than twofold signal enhancement for thermoacoustic tomography at 3GHz.

Preparation of carbon nanotube bioconjugates for

Preparation of carbon nanotube bioconjugates for biomedical appliions Zhuang Liu1,2, Scott M Tabakman1, Zhuo Chen1 & e Dai1 1Department of Chemistry, Stanford University, Stanford, California, USA. 2Functional Nano & Soft Materials Laboratory (FUNSOM), Soochow University, Suzhou, Jiangsu, China. Correspondence should be addressed to Z.L. ([email protected]) or H.D. …

The role of a silane coupling agent in carbon …

The carbon nanotube (CNT)/polypropylene(PP) composites have been prepared with the aid of a silane coupling agent (ZFDA, Dow Corning® Z‐6173) and then characterized by electron microscopic, electrical, mechanical, and thermal measurements in order to understand the role of the silane coupling agent in CNT/PP composites.

Electrostatic Deflections and Electromechanical …

Figure 1. Electron micrographs of the electromechanical deflections of a carbon nanotube. (A) Uncharged nanotube (V s = 0).(B) Charged nanotube (V s = 20 V).Here an electrical potential difference was applied between the nanotube (which was connected to a nanotube …

Vertically aligned carbon nanotube arrays …

19.08.2020· Aug 19, 2020: Vertically aligned carbon nanotube arrays stabilize homeotropic liquid crystal devices (Nanowerk Spotlight) Liquid crystals (LCs) are optically anisotropic materials, and they are widely used in electro-optical display technology, known as liquid crystal displays (LCDs).Understanding the alignment phenomena of a nematic LC on nanostructured surfaces remains an important area of

CARBON NANOTUBE BASED IMAGING …

23.05.2013· More particularly, imaging agents comprising carbon nanotubes internally loaded with a contrast agent and associated methods are provided. One example of a method may involve a method for imaging comprising: providing an imaging agent comprising a carbon nanotube loaded with contrast agent; introducing the imaging agent into a cell; and imaging the cell to detect the presence of the imaging agent.

Toward single-walled carbon …

04.04.2013· Toward single-walled carbon nanotube–gadolinium complex as advanced MRI contrast agents: pharmacodynamics and global genomic response in small animals. J Biomed Mater Res Part B 2013:101B:1039–1049.

Single wall carbon nanotube/bis carboxylic acid …

4 March 2013 Single wall carbon nanotube/bis carboxylic acid-ICG as a sensitive contrast agent for in vivo tumor imaging in photoacoustic tomography Saeid Zanganeh , Hai Li , Patrick Kumavor , Umar Alqasemi , Andres Aguirre , Innus Mohammad , Courtney Stanford , Michael B. Smith , Quing Zhu

Novel breast cancer detection system …

We have also developed a carbon nanotube-based contrast agent for both thermoacoustic and photoacoustic imaging. In the future, targeted molecular photoacoustic and thermoacoustic imaging should be possible using this contrast agent. Publiion: Photons Plus Ultrasound: Imaging and Sensing 2009. Pub Date: February 2009 DOI: 10.1117/12

Carbon Nanotubes: Appliions in Pharmacy …

Carbon nanotubes (CNTs) are allotropes of carbon, made of graphite and constructed in cylindrical tubes with nanometer in diameter and several millimeters in length. Their impressive structural, mechanical, and electronic properties are due to their small size and mass, their strong mechanical potency, and their high electrical and thermal conductivity.

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Carbon nanothread - Wikipedia

Carbon nanotubes, although also one-dimensional nanomaterials, in contrast have sp 2-carbon bonding as is found in graphite. The smallest carbon nanothread has a diameter of only 0.2 nanometer, much smaller than the diameter of a single-wall carbon nanotube.

Photothermal antimicrobial nanotherapy and …

Photothermal antimicrobial nanotherapy and nanodiagnostics with self‐asseling carbon nanotube clusters. Jin‐Woo This first appliion of laser‐activated CNTs as PT contrast antimicrobial agents demonstrated its great potential to cause Yong-Chien Ling, Graphene-Based Photothermal Agent for Rapid and Effective Killing of

CN104559187A - Preparation method of carbon …

The invention discloses a preparation method of a carbon nanotube modified organic silicon resin based composite material. The preparation method comprises the following steps: (1) dispersing carbon nanotubes by using a solvent at first, then wrapping a layer of surfactant, and then heating to volatilize the solvent so as to obtain uniformly-dispersed dry carbon nanotubes; (2) diluting organic

US20080210473A1 - Hybrid carbon nanotube …

US20080210473A1 US11/939,330 US93933007A US2008210473A1 US 20080210473 A1 US20080210473 A1 US 20080210473A1 US 93933007 A US93933007 A US 93933007A US 2008210473 A1 US2008210473 A1 US 2008210473A1 Authority US United States Prior art keywords nanotubes plurality tungsten carbide composite body carbide Prior art date 2006-11-14 Legal status …

Delayed Contrast Enhancement Imaging of a …

Cao G , Burk LM , Lee YZ , Calderon-Colon X , Sultana S , et al. ( 2010 ) Prospective-gated cardiac micro-CT imaging of free-breathing mice using carbon nanotube field emission x-ray . Med Phys 37 : 5306. doi: 10.1118/1.3491806 PMID: 21089765 13. Mukundan S ( 2006 ) A liposomal nanoscale contrast agent for preclinical CT in mice .

Single-walled carbon nanotubes as a …

Abstract. We have developed a novel carbon nanotube-based contrast agent for both thermoacoustic and photoacoustic tomography. In comparison to deionized water, single-walled carb

Carbon Nanotube appliions - Xenics

In nanotube research, imaging methods based on the intrinsic luminescence are commonly used. Photonics and (opto)electronics . SWNTs the use of SWNTs can be expanded beyond their use as a contrast agent in Mapping charge transport by electroluminescence in chirality-selected carbon nanotube networks; Florian Jakubka

Carbon nanotube biosensors - CiteSeerX

Keywords: carbon nanotube, biosensing, fluorescence, functionalization, biocompatibility, internalization, cancer. 2006). In 2010, a novel photoacoustic contrast agent based on Indocyanine Green dye-enhanced single-walled carbon nanotubes (SWNT-ICG) was developed which yielded a 300 fold greater photoacoustic contrast in living tissues than

Toward Carbon-Nanotube-Based Theranostic …

The experimental results reported in this paper suggest that single-walled carbon nanotubes (SWCNTs) have the potential to enhance dielectric contrast between malignant and normal tissue for microwave detection of breast cancer and facilitate selective heating of malignant tissue for microwave hyperthermia treatment of breast cancer. In this study, we constructed tissue-mimicking materials

CN102471051B - Magnetic carbon nanotube …

Provided herein is a new hybrid material system, mCNT, including magnetic carbon nanotubes for biological and medical sensing appliions. In certain eodiments, the systems include magnetic material on the interior of carbon nanotubes (CNTs). The amount of magnetic particles inside CNTs may be such that mCNT can respond to small, low cost, portable magnet.

Imaging conduction pathways in carbon …

18.05.2011· Imaging conduction pathways in carbon nanotube network transistors by voltage-contrast scanning electron microscopy. Aravind Vijayaraghavan 1,2, Marina Y Timmermans 3,6, Kestutis Grigoras 4, Albert G Nasibulin 3, Esko I Kauppinen 3 and Ralph Krupke 2,5. Published 18 May 2011 • IOP Publishing Ltd Nanotechnology, Volume 22, Nuer 26

Preparation of Carbon Nanotube Bioconjugates for

imaging could thus be achieved using SWNTs as the contrast agent. Quantum dots or surface enhanced Raman stering gold / sliver nanoparticles normally only have a single imaging functionality.19, 20 In contrast to widely used fluorescent quantum dots, carbon nanotubes contain no heavy metals and thus have a safer chemical composition.

Dielectric characterization of carbon nanotube …

We are investigating the feasibility of single-walled carbon nanotubes (SWCNTs) as contrast agents for microwave breast cancer detection. We hypothesize that the accumulation of SWCNTs in a tumor will enhance the dielectric contrast between normal and malignant tissue and potentially improve the efficacy of microwave imaging techniques. As an initial step, we constructed tissue-mimicking