Results 161 to 170 of about 581 (210)

Discriminating Chemoresistant and Chemosensitive Tubo‐Ovarian High‐Grade Serous Carcinoma Cells With Raman Microscopy

Journal of Raman Spectroscopy, EarlyView.
Confocal Raman microscopy combined with multivariate analysis distinguishes cisplatin‐resistant and ‐sensitive tubo‐ovarian high‐grade serous carcinoma cell lines. ABSTRACT Chemoresistance is a major obstacle to effective cancer treatment, particularly in tubo‐ovarian high‐grade serous carcinoma (HGSC), the most lethal gynaecological malignancy ...
Elina Harju, Parisa Movahedi, Teemu Tomberg, Sara J. Fraser‐Miller, Francesco Piga, Jukka Saarinen, Kathleen J. Sircombe, Jacopo Zini, Jukka Heikkonen, Anna Laury, Sarah Hook, Keith C. Gordon, Tapio Pahikkala, Clare J. Strachan   +13 more
wiley   +1 more source

Microwave‐Assisted Green Synthesis of CuO Nanoparticles Using Myrciaria Dubia Extract for Efficient Solar‐Light‐Driven Photocatalytic Degradation of Methylene Blue

International Journal of Chemical Kinetics, EarlyView.
ABSTRACT This study reports a microwave‐assisted biogenic route for synthesizing CuO nanoparticles using Myrciaria dubia (camu camu) fruit extract under three microwave power–time programs: 700 W for 30 s (M1), 350 W for 60 s (M2), and 150 W for 300 s (M3).
Elisabeth Viviana Lucero Baldevenites, Ana María Gayol   +1 more
wiley   +1 more source

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Characterization of a hazardous eyeliner (kohl) by confocal Raman microscopy

Journal of Hazardous Materials, 2005
A new method of analyzing kohl, a cosmetic eyeliner, using confocal Raman microscopy is reported. This technique offers an important alternative to conventional spectroscopic techniques that provide elemental/atomic composition. Raman spectra of three kohl samples have been measured between 150 and 3000 cm(-1) at room temperature. The main component of
Karim N Jallad
exaly   +3 more sources

Emulated transmission in confocal Raman microscopy

Journal of the Optical Society of America B: Optical Physics, 2007
We propose to use a mirror to simulate transmission configuration in a reflection confocal optical and Raman microscopy. Such a configuration allows an increased contrast of optical images of cells and increases the efficiency of Raman signal detection from cells by a factor of two.
, Pavel Zinin, Qigui Yu
exaly   +2 more sources

Confocal Raman microscopy of supercritical fluid dyeing of polymers

The Analyst, 2003
Supercritical CO2 was used as a medium to introduce azo-dyes into polymers (PMMA and PET). Confocal Raman microscopy has been applied using dry metallurgical and oil objectives to measure the concentration of dye as a function of distance from the surface to the core of the polymer samples.
Kazarian, SG, Chan, KLA
openaire   +3 more sources

Confocal Raman Microscopy of Optical-Trapped Particles in Liquids

Annual Review of Analytical Chemistry, 2010
The in situ analysis of small, dispersed particles in liquids is a challenging problem, the successful solution to which influences diverse applications of colloidal particles in materials science, synthetic chemistry, and molecular biology. Optical trapping of small particles with a tightly focused laser beam can be combined with confocal Raman ...
Daniel P, Cherney, Joel M, Harris
openaire   +2 more sources

Probing Chirality of a Lipid Tubular by Confocal Raman Microscopy

Journal of Nanoscience and Nanotechnology, 2010
The chiral phospholipids 1,2-bis-(10,12-tricosadiynoyl)-sn-glycero-3-phosphocholine (DC8,9 PC) can self assemble into lipid nanotubules. This hollow cylindrical supramolecular structure shows promise in a number of biotechnological applications. The mechanism of lipid tubule formation was initiated by assembling of lipid bilayer sheets from amphiphilic
Jarinee, Kiang-ia, Hu, Hailong, Yan, Bin, Yuwathida, Jantippana, Piboon, Pantu, Jumras, Limtrakul, Nattaporn, Chattham, Shen, Zexiang, Yu, Ting   +8 more
openaire   +2 more sources

Confocal Raman Microscopy in Pharmaceutical Development

2010
There is a wide range of applications of confocal Raman microscopy in pharmaceutical development. It is a powerful tool to probe the distribution of components within a formulation, to characterize homogeneity of pharmaceutical samples, to determine solid state of drug substances and excipients as well as to characterize contaminations and foreign ...
Thomas F. Haefele, Kurt Paulus
openaire   +1 more source

Confocal Raman Microscopy of Protein Adsorbed in Chromatographic Particles

Analytical Chemistry, 2012
Confocal Raman microscopy is a nondestructive analytical technique that combines the chemical information from vibrational spectroscopy with the spatial resolution of confocal microscopy. It was applied, for the first time, to measure conformation and distribution of protein adsorbed in wetted chromatographic particles.
Yuewu, Xiao, Thomas, Stone, David, Bell, Christopher, Gillespie, Marta, Portoles   +4 more
openaire   +2 more sources

Confocal Raman microscopy: common errors and artefacts

The Analyst, 2010
Confocal Raman microscopy is a powerful tool for research and analysis in the chemical, materials and life sciences, particularly for non-destructive depth profiling of transparent systems. Unfortunately, many Raman microscopes are not optimally configured for this purpose, and so yield unnecessarily low signal-to-noise spectra with poor spatial ...
openaire   +2 more sources