A route for bulk separation of semiconducting from metallic single-wall carbon nanotubes

D Chattopadhyay, I Galeska… - Journal of the …, 2003 - ACS Publications
Substantial separation of single-wall carbon nanotubes (SWNTs) according to type (metallic
versus semiconducting) has been achieved for HiPco and laser-ablated SWNTs. We …

Tumor targeting with antibody-functionalized, radiolabeled carbon nanotubes

MR McDevitt, D Chattopadhyay… - Journal of Nuclear …, 2007 - Soc Nuclear Med
Single-walled carbon nanotubes (CNT) are mechanically robust graphene cylinders with a
high aspect ratio that are comprised of sp 2 -bonded carbon atoms and possessing highly …

Peroxidase activity of enzymes bound to the ends of single-wall carbon nanotube forest electrodes

X Yu, D Chattopadhyay, I Galeska… - Electrochemistry …, 2003 - Elsevier
This communication reports the first example, to our knowledge, of enzymes covalently
attached onto the ends of vertically oriented single-wall carbon nanotube (SWNT) forest arrays …

[HTML][HTML] PET imaging of soluble yttrium-86-labeled carbon nanotubes in mice

MR McDevitt, D Chattopadhyay, JS Jaggi, RD Finn… - Plos one, 2007 - journals.plos.org
Background The potential medical applications of nanomaterials are shaping the landscape
of the nanobiotechnology field and driving it forward. A key factor in determining the …

Length separation of zwitterion-functionalized single wall carbon nanotubes by GPC

D Chattopadhyay, S Lastella, S Kim… - Journal of the …, 2002 - ACS Publications
The length-fractionation of shortened (250 to 25 nm), zwitterion-functionalized, single wall
carbon nanotubes (SWNTs) has been demonstrated via gel permeation chromatography (GPC…

Electrochemical properties of single-wall carbon nanotube electrodes

JN Barisci, GG Wallace, D Chattopadhyay… - Journal of the …, 2003 - iopscience.iop.org
The electrochemical properties of single-wall carbon nanotube (CNT) electrodes in the form
of sheets or papers have been examined. Thermal annealing has produced significant …

Complete elimination of metal catalysts from single wall carbon nanotubes

D Chattopadhyay, I Galeska, F Papadimitrakopoulos - Carbon, 2002 - Elsevier
The complete removal of entrapped metallic impurities (ie Ni and Co) incorporated within
single wall carbon nanotubes (SWNTs) has been a long-standing issue. A sonication-mediated …

Metal-assisted organization of shortened carbon nanotubes in monolayer and multilayer forest assemblies

D Chattopadhyay, I Galeska… - Journal of the …, 2001 - ACS Publications
Dense arrays of single-wall carbon nanotubes (SWNTs) aligned normal to substrates has
been envisioned to enhance performance of various technologically important devices such as …

[HTML][HTML] Selective alpha-particle mediated depletion of tumor vasculature with vascular normalization

…, E Henke, SV Seshan, BJ Kappel, D Chattopadhyay… - PLoS …, 2007 - journals.plos.org
Background Abnormal regulation of angiogenesis in tumors results in the formation of vessels
that are necessary for tumor growth, but compromised in structure and function. Abnormal …

Calcification-Resistant Nafion/Fe3+ Assemblies for Implantable Biosensors

I Galeska, D Chattopadhyay, F Moussy… - …, 2000 - ACS Publications
An electrostatic layer-by-layer deposition technique was employed for the formation of thin
films consisting of alternating layers of perfluorinated ionomer (Nafion) and ferric ions. UV−vis …