Search Results - "Panikkanvalappil, Sajanlal R"

Role of Femtosecond Pulsed Laser-Induced Atomic Redistribution in Bimetallic Au–Pd Nanorods on Optoelectronic and Catalytic Properties by Nazemi, Mohammadreza, Panikkanvalappil, Sajanlal R, Liao, Chih-Kai, Mahmoud, Mahmoud A, El-Sayed, Mostafa A

“…Utilizing solar energy for chemical transformations has attracted a growing interest in promoting the clean and modular chemical synthesis approach and…”
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Unraveling the Biomolecular Snapshots of Mitosis in Healthy and Cancer Cells Using Plasmonically-Enhanced Raman Spectroscopy by Panikkanvalappil, Sajanlal R, Hira, Steven M, Mahmoud, Mahmoud A, El-Sayed, Mostafa A

“…Owing to the dynamic and complex nature of mitosis, precise and timely executions of biomolecular events are critical for high fidelity cell division. In this…”
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Probing the Unique Dehydration-Induced Structural Modifications in Cancer Cell DNA Using Surface Enhanced Raman Spectroscopy by Panikkanvalappil, Sajanlal R, Mackey, Megan A, El-Sayed, Mostafa A

“…Conformation-induced formation of a series of unique Raman marker bands in cancer cell DNA, upon dehydration, have been probed for the first time with the use…”
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Surface-Enhanced Raman Spectroscopy for Real-Time Monitoring of Reactive Oxygen Species-Induced DNA Damage and Its Prevention by Platinum Nanoparticles by Panikkanvalappil, Sajanlal R, Mahmoud, Mahmoud A, Mackey, Megan A, El-Sayed, Mostafa A

“…We have successfully demonstrated the potential of surface-enhanced Raman spectroscopy (SERS) in monitoring the real time damage to genomic DNA. To reveal the…”
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Effects of the Substrate Refractive Index, the Exciting Light Propagation Direction, and the Relative Cube Orientation on the Plasmonic Coupling Behavior of Two Silver Nanocubes at Different Separations by Hooshmand, Nasrin, Panikkanvalappil, Sajanlal R, El-Sayed, Mostafa A

“…In this paper, we presented a detailed theoretical investigation on the effects of changing the refractive index of the substrate and the interparticle…”
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Observation of Photoinduced Proton Transfer between the Titania Surface and Dye Molecule by Nishikiori, Hiromasa, Kondo, Hayato, Kageshima, Yosuke, Hooshmand, Nasrin, Panikkanvalappil, Sajanlal R, Valverde-Chávez, David A, Silva, Carlos, El-Sayed, Mostafa A, Teshima, Katsuya

“…The photocatalyst titania film surface acquires a high hydrophilicity after it is exposed to UV light, which is induced by changes in the densities of the…”
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Design and synthesis of gold nanostars-based SERS nanotags for bioimaging applications by Andreiuk, Bohdan, Nicolson, Fay, Clark, Louise M, Panikkanvalappil, Sajanlal R, Kenry, Rashidian, Mohammad, Harmsen, Stefan, Kircher, Moritz F

“…Surface-enhanced Raman spectroscopy (SERS) nanotags hold a unique place among bioimaging contrast agents due to their fingerprint-like spectra, which provide…”
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Enhancing the rate of electrochemical nitrogen reduction reaction for ammonia synthesis under ambient conditions using hollow gold nanocages by Nazemi, Mohammadreza, Panikkanvalappil, Sajanlal R., El-Sayed, Mostafa A.

“…Ammonia production is imperative to increase the food supply for the growing global population. Ammonia is also considered a major hydrogen energy carrier. The…”
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Platinum-Coated Gold Nanorods: Efficient Reactive Oxygen Scavengers That Prevent Oxidative Damage toward Healthy, Untreated Cells during Plasmonic Photothermal Therapy by Aioub, Mena, Panikkanvalappil, Sajanlal R, El-Sayed, Mostafa A

“…As a minimally invasive therapeutic strategy, gold nanorod (AuNR)-based plasmonic photothermal therapy (PPT) has shown significant promise for the selective…”
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Intracellular Assembly of Nuclear-Targeted Gold Nanosphere Enables Selective Plasmonic Photothermal Therapy of Cancer by Shifting Their Absorption Wavelength toward Near-Infrared Region by Panikkanvalappil, Sajanlal R, Hooshmand, Nasrin, El-Sayed, Mostafa A

“…Despite the important applications of near-infrared (NIR) absorbing nanomaterials in plasmonic photothermal therapy (PPT), their high yield synthesis and…”
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Superparamagnetic iron oxide nanoparticle enhanced percutaneous microwave ablation: Ex‐vivo characterization using magnetic resonance thermometry by Bhagavatula, Sharath K., Panikkanvalappil, Sajanlal R., Tokuda, Junichi, Levesque, Vincent, Tatarova, Zuzana, Liu, Guigen, Markert, John E., Jonas, Oliver

“…Background Percutaneous microwave ablation (pMWA) is a minimally invasive procedure that uses a microwave antenna placed at the tip of a needle to induce…”
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Elucidation of ultraviolet radiation-induced cell responses and intracellular biomolecular dynamics in mammalian cells using surface-enhanced Raman spectroscopy by Panikkanvalappil, Sajanlal R, Hira, Steven M, El-Sayed, Mostafa A

“…Fingerprinting biochemical changes associated with cellular responses to external stimuli can provide vital information on the dynamics of biological processes…”
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Enhancing the Efficiency of Gold Nanoparticles Treatment of Cancer by Increasing Their Rate of Endocytosis and Cell Accumulation Using Rifampicin by Ali, Moustafa R. K, Panikkanvalappil, Sajanlal R, El-Sayed, Mostafa A

“…To minimize the toxicity of gold nanoparticles (AuNPs) in cancer treatment, we have developed a technique, which utilizes lesser amount of AuNPs while…”
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Enhancing Plasmonic–Photonic Hybrid Cavity Modes by Coupling of Individual Plasmonic Nanoparticles by Zhang, Shuaidi, Panikkanvalappil, Sajanlal R, Kang, Saewon, Smith, Marcus J, Yu, Shengtao, El-Sayed, Mostafa, Tsukruk, Vladimir V

“…We report the multibody coupling behavior of a vertical hybrid plasmonic–photonic cavity whose output mode can be selected by different lateral geometrical…”
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Anisotropic nanomaterials: structure, growth, assembly, and functions by Sajanlal, Panikkanvalappil R., Sreeprasad, Theruvakkattil S., Samal, Akshaya K., Pradeep, Thalappil

“…Comprehensive knowledge over the shape of nanomaterials is a critical factor in designing devices with desired functions. Due to this reason, systematic…”
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Enhanced Electrochemical Dark-Field Scattering Modulation on a Single Hybrid Core–Shell Nanostructure by Zhou, Jing, Panikkanvalappil, Sajanlal R, Kang, Saewon, Yu, Shengtao, Zhang, Shuaidi, El-Sayed, Mostafa, Tsukruk, Vladimir V

“…We study the in situ electrochemically modulated dark-field scattering of a gold nanoparticle (AuNP) coated with the poly­(3,4-ethylenedioxythiophene) (PEDOT)…”
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Monitoring the dynamics of hemeoxygenase-1 activation in head and neck cancer cells in real-time using plasmonically enhanced Raman spectroscopy by Panikkanvalappil, Sajanlal R, Garlapati, Chakravarthy, Hooshmand, Nasrin, Aneja, Ritu, El-Sayed, Mostafa A

“…We report for the first time the usage of plasmonically enhanced Raman spectroscopy (PERS) to directly monitor the dynamics of pharmacologically generated…”
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Hyperoxia Induces Intracellular Acidification in Neonatal Mouse Lung Fibroblasts: Real-Time Investigation Using Plasmonically Enhanced Raman Spectroscopy by Panikkanvalappil, Sajanlal R, James, Masheika, Hira, Steven M, Mobley, James, Jilling, Tamas, Ambalavanan, Namasivayam, El-Sayed, Mostafa A

“…It is important to understand the molecular mechanisms underlying oxygen toxicity, which contributes to multiple human disorders. The archetype model of oxygen…”
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Gold-Nanoparticle-Decorated Hybrid Mesoflowers: An Efficient Surface-Enhanced Raman Scattering Substrate for Ultra-Trace Detection of Prostate Specific Antigen by Panikkanvalappil, Sajanlal R, El-Sayed, Mostafa A

“…We demonstrate a method for making highly sensitive hybrid gold mesoflower (MF) based surface-enhanced Raman scattering (SERS) substrate via programmed…”
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Advances in Surface Enhanced Raman Spectroscopy for in Vivo Imaging in Oncology by Kenry, Nicolson, Fay, Clark, Louise, Panikkanvalappil, Sajanlal R, Andreiuk, Bohdan, Andreou, Chrysafis

“…In the last two decades, the application of surface enhanced Raman scattering (SERS) nanoparticles for preclinical cancer imaging has attracted increasing…”
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