'Uv irradiation' presentation slideshows

ULTRAVIOLET RADIATION (UVR)

ULTRAVIOLET RADIATION (UVR). INTRODUCTION, PRODUCTION, PHYSIOLOGICAL, THERAPEUTIC, INDICATION, CONTRAINDICATION, PRECAUTION & DANGERS. INTRODUCTION.

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Findings of the Special Regions Science Analysis Group

Findings of the Special Regions Science Analysis Group. By the MEPAG Special Regions Science Analysis Group (SR-SAG) April 19, 2006. AGENDA. 3:00 5 minutes INTRODUCTION: Mike Meyer 3:00 10 minutes SUMMARY AND BOUNDS TO THE PROBLEM: Karen Buxbaum

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Findings of the Special Regions Science Analysis Group

Findings of the Special Regions Science Analysis Group. By the MEPAG Special Regions Science Analysis Group (SR-SAG) April 19, 2006. AGENDA. 3:00 5 minutes INTRODUCTION: Mike Meyer 3:00 10 minutes SUMMARY AND BOUNDS TO THE PROBLEM: Karen Buxbaum

612 views • 61 slides

DNA Photonics

DNA Photonics. Hieu Bui 20 September 2012. Outline. Fluorescent resonance energy transfer (FRET) Fluorescent Labels Fluorophores , quantum dots Single FRET Molecular Beacon DNA Tweeters Multiple FRET Homo-FRET Hetero-FRET Optically-induced molecules Photocleavable spacer

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Systematic study of synthesis of hierarchical ZnO nanostructures grown by hydrothermal process

Systematic study of synthesis of hierarchical ZnO nanostructures grown by hydrothermal process. Surface polarity & ZnO morphology Thermodynamically stable crystallographic faces of ZnO include a polar-terminated (001) face and nonpolar low-symmetry (100) faces.

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Synthesis, Spectroscopy and Biological Studies of Chalcone Derived Pyrimidines

Nine biologically important pyrimidine derivatives have been prepared by conventional method and UV-irradiation methods. The percentage yield of a product was substantially higher (40%-88%) by UV-irradiation method compared to that (18%-51%) by conventional method. Moreover, the UV-irradiation method is an environmentally friendly method and avoids the pollution problem in organic synthesis. The structures of the compounds were verified by microanalysis (CHN), Infrared (IR) and Proton Nuclear Magnetic Resonance (1H-NMR) spectroscopies and X-ray powder diffraction analysis. The investigated compounds consist of a pyrimidine ring and two benzene rings with intermolecular Nu2013H---N interaction between the adjacent molecules. The compounds crystallized in the monoclinic space group P-1. The synthesized products have also been tested for their anti-bacterial/anti-fungal and anti-oxidant activities. The compounds have shown comparatively higher activities against the fungal microbes as compared to the gram positive and gram negative bacteria. The products exhibited excellent anti-oxidant potential which was rendered to the presence of multi-chloro groups on the phenyl rings.

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Cutaneous Malignant Melanoma

Cutaneous Malignant Melanoma. M. F. Fears TR, Tucker MA. J Natl Cancer Inst . 2005, 97:1789-90. Surveillance, Epidemiology, and End Results (SEER) Program (www.seer.cancer.gov ). Frances Noonan, EOH,SPHHS drmfpn@gwumc.edu 202-994-3970. Photobiology of melanoma.

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PDMS coated ZnO-1(0min) Left: : 172.14 Light : 170.06 Average : 171.10

UV stability test : PDMS coated ZnO (0min ? 24hrs ). Before UV irradiation (169.35 ? 1.34). PDMS coated ZnO-1(0min) Left: : 172.14 Light : 170.06 Average : 171.10. PDMS coated ZnO-3(0min) Left: : 171.04 Light : 167.18 Average : 169.11. PDMS coated ZnO-2(0min) Left: : 167.05

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UVC

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T Bald et al. Nature 000 , 1-5 (2014) doi:10.1038/nature13111

UV irradiation of skin with DMBA-initiated primary melanomas in HGF-CDK4(R24C) mice selectively promotes angiotropic invasion and lung metastasis. T Bald et al. Nature 000 , 1-5 (2014) doi:10.1038/nature13111.

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Effect of VUV and UV Irradiation on low- k Dielectrics

Effect of VUV and UV Irradiation on low- k Dielectrics. H. Sinha a , J.L. Lauer a , M.T. Nichols a , G.A. Antonelli b , Y. Nishi c and J.L. Shohet a a University of Wisconsin-Madison, Madison, WI 53706 b Novellus Systems, Tualatin, OR 97062 c Stanford University, Stanford, CA 94305.

144 views • 1 slides