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REVIEWS - Unisciel
REVIEWS - Unisciel

synthesis of gold and silver nanoparticles for
synthesis of gold and silver nanoparticles for

ENGINEERING OPTICS WITH
ENGINEERING OPTICS WITH

... the ray path is a straight line as the shortest OPL between the two end points is along a straight line which assumes the shortest time for the ray to travel. 1.2 Reflection and Refraction When a ray of light is incident on the interface separating two different optical media characterized by m and ...
CN - Goethe-Universität
CN - Goethe-Universität

... INTERNET ACCESS Wireless is available throughout the conference room Vienna and its foyer. The access to the internet in all rooms of the hotel will be charged extra with 7,-- € per day. SECRETARIAT The secretariat office will be located in room No. 2795 on the first floor opposite to the conference ...
Protein Creation Pathway
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... The Nucleolus The nucleolus is a dense region within the nucleus. This organelle (tiny cell part) is responsible for creating thousands of ribosomes. Ribosomes play an important role in the creation of proteins as we will see later. Click the Nucleolus to see an artists drawing. ...
Physics - Eenadu Pratibha
Physics - Eenadu Pratibha

... Reflection by spherical mirrors The first law of reflection tells us: A light ray incident at an angle to the normal at the point of incidence will get reflected making the same angle with the normal. This law is true for all surfaces, be it a plane surface or a curved one. The important words here ...
Xiaomin Nie scattering on silicon nitride waveguides Surface
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... simulation tool, the local field distribution can be obtained, allowing further calculations of SECARS signal strength. In our work, silver NPs carried by the calcium carbonate (CaCO3 ) micro-beads are the Raman active center for SECARS generation. As the model substance, NTP molecules are bonded to ...
Introduction to Solid State NMR
Introduction to Solid State NMR

... Origins of Solid-State NMR Original NMR experiments focused on 1H and 19F NMR, for reasons of sensitivity. However, anisotropies in the local fields of the protons broadened the 1H NMR spectra such that no spectral lines could be resolved. The only cases where useful spectra could be obtained was f ...
The study of electromagnetic wave propagation in photonic crystals
The study of electromagnetic wave propagation in photonic crystals

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... colour of metals by intaglio/bas-relief metamaterials has been realized. I have also demonstrated the concept of ‘dielectric loaded’ metamaterials where nanostructured dielectrics on unstructured metal surfaces work as optical frequency selective surfaces. I have demonstrated for the first time contr ...
Single barium ion spectroscopy: light shifts, hyperfine structure, and
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... First, we describe a spin-dependent ‘electron-shelving’ scheme that allows us to perform single ion electron spin resonance experiments in both the ground 6S1/2 and metastable 5D3/2 states at precision levels of 10−5 . We employ this technique to measure the ratio of off-resonant light shifts (or ac ...
Precision Spectroscopy of Neutral Radium: Towards Searches for
Precision Spectroscopy of Neutral Radium: Towards Searches for

... insufficient to satisfy the needs of this elegant model. In particular the known strength of CP violating processes is too small. EDMs, which also violate Ĉ P̂ , offer excellent oppertunities to find and identify new sources of CP-violation beyond the present theory [22]. ...
Spin in fractional quantum Hall systems
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... quantization of single–electron energy levels is a consequence of the strong magnetic field (Landau levels). The latter phenomenon leads to another unusual feature of the fractional ...
Ph.D. Thesis - Acadia University
Ph.D. Thesis - Acadia University

... Dr. Jacek Lipkowski for a lake of knowledge I have inherited from him as well as for being an excellent teacher. Dr. D. Thomas, Dr. A.R. Merrill, Dr. D. Irish and Dr. T Leung for being members of my advisory committee and for many valuable discussions during my studies and research. Dr. M. Pézolet f ...
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FERMI GBM detections of four AXPs at soft gamma-rays

... field strength, magnetars quickly lose most of their rotational energy to magnetic dipole braking. Internal magnetic stresses cause the stellar crust of the magnetar to undergo sudden adjustments, also called starquakes, inducing twists to the magnetic dipole field. These starquakes can be observed ...
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Biotechnology-Derived Articles—Capillary Electrophoresis

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1.1 Applications of Cold Molecules

... The dipole moment is a measure for the charge distribution of the particle. Since the electron is assumed to be a point charge, however, the EDM is considered to be a measure of the average displacement of the electron charge from the electron’s center of mass. An EDM would imply an asymmetry with r ...
fiber optic sensors and their applications
fiber optic sensors and their applications

Electric Fields
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... watched science-fiction television shows or movies or have read sciencefiction books. In these fictional applications, characters use force fields to create invisible barriers to stop invading armies, and to hold prisoners in a cell. As it turns out, force fields really exist but they are not quite ...
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Crossed-Beam Laser Spectroscopy of Atomic Ruthenium
Crossed-Beam Laser Spectroscopy of Atomic Ruthenium

... The last four years working upon this thesis have been one of the most interesting and enjoyable periods of my life. I have thoroughly enjoyed living and working around Birmingham and the University and that is largely due to a small group of people who I would now like to acknowledge. Firstly I wou ...
Particle Sizing by Static Laser Light Scattering
Particle Sizing by Static Laser Light Scattering

Biannual Report 2004/2005 - Software Science Laboratory
Biannual Report 2004/2005 - Software Science Laboratory

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Circular dichroism



Circular dichroism (CD) is dichroism involving circularly polarized light, i.e., the differential absorption of left- and right-handed light. Left-hand circular (LHC) and right-hand circular (RHC) polarized light represent two possible spin angular momentum states for a photon, and so circular dichroism is also referred to as dichroism for spin angular momentum. This phenomenon was discovered by Jean-Baptiste Biot, Augustin Fresnel, and Aimé Cotton in the first half of the 19th century. It is exhibited in the absorption bands of optically active chiral molecules. CD spectroscopy has a wide range of applications in many different fields. Most notably, UV CD is used to investigate the secondary structure of proteins. UV/Vis CD is used to investigate charge-transfer transitions. Near-infrared CD is used to investigate geometric and electronic structure by probing metal d→d transitions. Vibrational circular dichroism, which uses light from the infrared energy region, is used for structural studies of small organic molecules, and most recently proteins and DNA.
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