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Showing 1 to 12 of 31 entries
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Mapping the subcellular localization of Fe.

Journal of physics. Conference series

Yuan Y, Chen S, Gleber SC, Lai B, Brister K, Flachenecker C, Wanzer B, Paunesku T, Vogt S, Woloschak GE.
PMID: 26413134
J Phys Conf Ser. 2013;463. doi: 10.1088/1742-6596/463/1/012020.

The targeted delivery of Fe

Magnetic Nanoparticles for Early Detection of Cancer by Magnetic Resonance Imaging.

MRS bulletin

Lin W, Hyeon T, Lanza GM, Zhang M, Meade TJ.
PMID: 26166945
MRS Bull. 2009 Jun;34(6):441-448. doi: 10.1557/mrs2009.120.

This article provides a brief overview of recent progress in the synthesis and functionalization of magnetic nanoparticles and their applications in the early detection of malignant tumors by magnetic resonance imaging (MRI). The intrinsic low sensitivity of MRI necessitates...

Effects of fluorescent dye coating of metal oxide nanoparticles on DNA scission.

The journal of the Robert H. Lurie Cancer Center of Northwestern University

Doty C, Brown E, Wu A, Paunesku T, Woloschak G.
PMID: 21643545
J Robert H Lurie Cancer Cent Northwest Univ. 2009;13(1):72-76.

No abstract available.

Quantification of nanoscale density fluctuations using electron microscopy: Light-localization properties of biological cells.

Applied physics letters

Pradhan P, Damania D, Joshi HM, Turzhitsky V, Subramanian H, Roy HK, Taflove A, Dravid VP, Backman V.
PMID: 21221251
Appl Phys Lett. 2010 Dec 13;97(24):243704. doi: 10.1063/1.3524523. Epub 2010 Dec 17.

We report a study of the nanoscale mass-density fluctuations of heterogeneous optical dielectric media, including nanomaterials and biological cells, by quantifying their nanoscale light-localization properties. Transmission electron microscope images of the media are used to construct corresponding effective disordered...

Synthesis of Amine-stabilized Aqueous Colloidal Iron Oxide Nanoparticles.

Crystal growth & design

Aslam M, Schultz EA, Tao S, Meade T, Dravid VP.
PMID: 19305647
Cryst Growth Des. 2007 Mar 01;7(3):471-475. doi: 10.1021/cg060656p.

We demonstrate a simple one-step process for the synthesis of iron oxide nanoparticle aqueous colloids using the multifunctional molecule, dodecylamine (DDA), that electrostatically complexes with aqueous iron ions (one precursor Fe(2+) from FeCl(2)), reduces them, and subsequently caps the...

Titantium Dioxide Nanoparticles Assembled by DNA Molecules Hybridization and Loading of DNA Interacting Proteins.

Nano

Wu A, Paunesku T, Brown EM, Babbo A, Cruz C, Aslam M, Dravid V, Woloschak GE.
PMID: 19890457
Nano. 2008 Feb 01;3(1):27-36. doi: 10.1142/S1793292008000836.

This work demonstrates the assembly of TiO(2) nanoparticles with attached DNA oligonucleotides into a 3D mesh structure by allowing base pairing between oligonucleotides. A change of the ratio of DNA oligonucleotide molecules and TiO(2) nanoparticles regulates the size of...

Tuning the Thickness and Orientation of Single Au Pyramids for Improved Refractive Index Sensitivities.

The journal of physical chemistry. C, Nanomaterials and interfaces

Lee J, Hasan W, Odom TW.
PMID: 20157343
J Phys Chem C Nanomater Interfaces. 2009 Feb 12;113(6):2205-2207. doi: 10.1021/jp8111155.

This paper describes three ways to tune the multipolar surface plasmon resonances of Au pyramidal particles: (1) by varying their thickness; (2) by controlling their relative orientation on a surface; and (3) by changing the refractive index of the...

Nanoscale assembly of amine functionalized colloidal iron oxide.

Journal of magnetism and magnetic materials

Barick KC, Aslam M, Prasad PV, Dravid VP, Bahadur D.
PMID: 20160860
J Magn Magn Mater. 2009 May;321(10):1529-1532. doi: 10.1016/j.jmmm.2009.02.080.

We demonstrate a single-step facile approach for highly water stable assembly of amine-functionalized Fe(3)O(4) nanoparticles using thermal decomposition of Fe-chloride precursors in ethylene glycol medium in the presence of ethylenediamine. The average size of nanoassemblies is 40±1 nm, wherein...

Short-term molecular polarization of cells on symmetric and asymmetric micropatterns.

Soft matter

Kandere-Grzybowska K, Soh S, Mahmud G, Komarova Y, Pilans D, Grzybowski BA.
PMID: 23826026
Soft Matter. 2010 Jul 21;6(14):3257-3268. doi: 10.1039/B922647H.

The ability of cells to sense geometrical/physical constraints of local environment is important for cell movements during development, immune surveillance, and in cancer invasion. In this paper, we quantify "front-rear" polarization - the crucial step in initiating cell migration...

Highly Cooperative Behavior of Peptide Nucleic Acid-Linked DNA-Modified Gold-Nanoparticle and Comb-Polymer Aggregates.

Advanced materials (Deerfield Beach, Fla.)

Lytton-Jean AKR, Gibbs-Davis JM, Long H, Schatz GC, Mirkin CA, Nguyen ST.
PMID: 34497427
Adv Mater. 2009 Feb 09;21(6):706-709. doi: 10.1002/adma.200801724. Epub 2009 Jan 29.

No abstract available.

Effects of shape and size of cobalt ferrite nanostructures on their MRI contrast and thermal activation.

The journal of physical chemistry. C, Nanomaterials and interfaces

Joshi HM, Lin YP, Aslam M, Prasad PV, Schultz-Sikma EA, Edelman R, Meade T, Dravid VP.
PMID: 21850276
J Phys Chem C Nanomater Interfaces. 2009;113(41):17761-17767. doi: 10.1021/jp905776g.

Cobalt ferrite magnetic nanostructures were synthesized via a high temperature solution phase method. Spherical nanostructures of various sizes were synthesized with the help of seed mediated growth of the nanostructures in organic phase, while faceted irregular (FI) cobalt ferrite...

An Electrochemical Approach to and the Physical Consequences of Preparing Nanostructures from Gold Nanorods with Smooth Ends.

The journal of physical chemistry. C, Nanomaterials and interfaces

Banholzer MJ, Li S, Ketter JB, Rozkiewicz DI, Schatz GC, Mirkin CA.
PMID: 22180788
J Phys Chem C Nanomater Interfaces. 2008 Oct 09;112(40):15729-15734. doi: 10.1021/jp805215j.

We have developed a method to smooth the end sections of nanowires and nanograps generated via the On-Wire Lithography process and studied these rods with optical spectroscopies and theoretical modeling (Discrete Dipole Approximation). The first step of the smoothing...

Showing 1 to 12 of 31 entries