Search Results - "Challa, S. S. R. Kumar"

Catalyst Design Across Reaction Conditions: A Special Issue in Honor of Prof. Cynthia Friend by Challa, S. S. R. Kumar

Get full text

Magnetic Switch of Permeability for Polyelectrolyte Microcapsules Embedded with Cou Nanoparticles by Lu, Zonghuan, Prouty, Malcolm D, Guo, Zhanhu, Golub, Vladimir O, Challa S S R Kumar, Challa S S R Kumar, Lvov, Yuri M

“…We explored using a magnetic field to modulate the permeability of polyelectrolyte microcapsules prepared by layer-by-layer self-assembly. Ferromagnetic…”
Get full text

Size Evolution of Gold Nanoparticles in a Millifluidic Reactor by Li, Yuehao, Sanampudi, Ashwin, Raji Reddy, Vanga, Biswas, Sanchita, Nandakumar, Krishnaswamy, Yemane, Dawit, Goettert, Jost, Kumar, Challa S. S. R.

“…The size evolution of gold nanoparticles in a millifluidic reactor is investigated using spatially resolved transmission electron microscopy (TEM). The…”
Get full text

Microfluidic Synthesis of Nanomaterials by Song, Yujun, Hormes, Josef, Kumar, Challa S. S. R.

“…An overview of the current information and analyses on the microfluidic synthesis of different types of nanomaterial, including metallic and silica…”
Get full text

Gold–silica quantum rattles for multimodal imaging and therapy by Hembury, Mathew, Chiappini, Ciro, Bertazzo, Sergio, Kalber, Tammy L., Drisko, Glenna L., Ogunlade, Olumide, Walker-Samuel, Simon, Krishna, Katla Sai, Jumeaux, Coline, Beard, Paul, Kumar, Challa S. S. R., Porter, Alexandra E., Lythgoe, Mark F., Boissière, Cédric, Sanchez, Clément, Stevens, Molly M.

“…Gold quantum dots exhibit distinctive optical and magnetic behaviors compared with larger gold nanoparticles. However, their unfavorable interactionwith living…”
Get full text

Influence of Gold Nanoshell on Hyperthermia of Superparamagnetic Iron Oxide Nanoparticles by Mohammad, Faruq, Balaji, Gopalan, Weber, Andrew, Uppu, Rao M, Kumar, Challa S. S. R

“…A gold nanoshell around superparamagnetic iron oxide nanoparticles (SPIONs) was synthesized, and small-angle X-ray scattering (SAXS) analysis suggests a gold…”
Get full text

Ligand-Stabilized and Atomically Precise Gold Nanocluster Catalysis: A Case Study for Correlating Fundamental Electronic Properties with Catalysis by Liu, Jing, Krishna, Katla Sai, Losovyj, Yaroslav B., Chattopadhyay, Soma, Lozova, Natalia, Miller, Jeffrey T., Spivey, James J., Kumar, Challa S. S. R.

“…We present results from our investigations into correlating the styrene‐oxidation catalysis of atomically precise mixed‐ligand biicosahedral‐structure…”
Get full text

Chemically Induced Magnetism in Atomically Precise Gold Clusters by Krishna, Katla Sai, Tarakeshwar, Pilarisetty, Mujica, Vladimiro, Kumar, Challa S. S. R.

“…Comparative theoretical and experimental investigations are reported into chemically induced magnetism in atomically‐precise, ligand‐stabilized gold clusters…”
Get full text

Magnetic Switch of Permeability for Polyelectrolyte Microcapsules Embedded with Co@Au Nanoparticles by Lu, Zonghuan, Prouty, Malcolm D, Guo, Zhanhu, Golub, Vladimir O, Kumar, Challa S. S. R, Lvov, Yuri M

“…We explored using a magnetic field to modulate the permeability of polyelectrolyte microcapsules prepared by layer-by-layer self-assembly. Ferromagnetic…”
Get full text

Millifluidics for Time-resolved Mapping of the Growth of Gold Nanostructures by Sai Krishna, Katla, Navin, Chelliah V, Biswas, Sanchita, Singh, Varshni, Ham, Kyungmin, Bovenkamp, G. Lisa, Theegala, Chandra S, Miller, Jeffery T, Spivey, James J, Kumar, Challa S. S. R

“…Innovative in situ characterization tools are essential for understanding the reaction mechanisms leading to the growth of nanoscale materials. Though…”
Get full text

Microfluidic Synthesis of Cobalt Nanoparticles by Song, Yujun, Modrow, Hartwig, Henry, Laurence L, Saw, Cheng K, Doomes, E. E, Palshin, Vadim, Hormes, Josef, Kumar, Challa S. S. R

“…Co nanoparticles with three different crystal structures were synthesized in a microfluidic reactor through manipulation of reaction times, flow rates, and…”
Get full text

Molecular MRI for sensitive and specific detection of lung metastases by Branca, Rosa T, Cleveland, Zackary I, Fubara, Boma, Kumar, Challa S.S.R, Maronpot, Robert R, Leuschner, Carola, Warren, Warren S, Driehuys, Bastiaan

“…Early and specific detection of metastatic cancer cells in the lung (the most common organ targeted by metastases) could significantly improve cancer treatment…”
Get full text

LHRH-conjugated magnetic iron oxide nanoparticles for detection of breast cancer metastases by LEUSCHNER, Carola, KUMAR, Challa S. S. R, HANSEL, William, SOBOYEJO, Wole, JIKOU ZHOU, HORMES, Josef

“…Targeted delivery of superparamagnetic iron oxide nanoparticles (SPIONs) could facilitate their accumulation in metastatic cancer cells in peripheral tissues,…”
Get full text

Investigation of Magnetic Nanoparticle−Polymer Composites for Multiple-controlled Drug Delivery by Urbina, Michelle C, Zinoveva, Svetlana, Miller, Toby, Sabliov, Cristina M, Monroe, William T, Kumar, Challa S. S. R

“…We present preliminary results obtained in the development of multiple-controlled drug delivery vehicles using magnetic nanoparticle-polymer composites. Two…”
Get full text

Magnetic nanomaterials for hyperthermia-based therapy and controlled drug delivery by Kumar, Challa S.S.R., Mohammad, Faruq

“…Previous attempts to review the literature on magnetic nanomaterials for hyperthermia-based therapy focused primarily on magnetic fluid hyperthermia (MFH)…”
Get full text

Magnetic Gold Nanoshells: Step-wise Changing of Magnetism through Step-wise Biofunctionalization by S S R Kumar, Challa, Mohammad, Faruq

“…We report step-wise changing of magnetic behavior of iron oxide core gold shell nanoparticles from super paramagnetic to permanent magnetism at room…”
Get full text

Computational investigations of the mixing performance inside liquid slugs generated by a microfluidic T-junction by Li, Yuehao, Reddy, Rupesh K, Kumar, Challa S S R, Nandakumar, Krishnaswamy

“…Droplet-based microfluidics has gained extensive research interest as it overcomes several challenges confronted by conventional single-phase microfluidics…”
Get full text

Local Structure of ZnO Micro Flowers and Nanoparticles Obtained by Micro-Segmented Flow Synthesis by Li, Shuning, Roy, Amitava, Lichtenberg, Henning, Merchan, Gregory, Kumar, Challa S. S. R., Köhler, J. Michael

“…The micro‐segmented flow technique was applied for continuous synthesis of ZnO micro‐ and nanoparticles with short residence times of 9.4 s and 21.4 s,…”
Get full text

Lab-on-a-chip synthesis of inorganic nanomaterials and quantum dots for biomedical applications by Krishna, Katla Sai, Li, Yuehao, Li, Shuning, Kumar, Challa S.S.R.

“…The past two decades have seen a dramatic raise in the number of investigations leading to the development of Lab-on-a-Chip (LOC) devices for synthesis of…”
Get full text

Preparation and characterization of cellulase-bound magnetite nanoparticles by Jordan, Jason, Kumar, Challa S.S.R., Theegala, Chandra

“…[Display omitted] ▶ TEM images revealed no significant change in nanoparticle size after enzyme binding. ▶ FTIR spectroscopy indicated enzyme binding to the…”
Get full text