The Efficacy of Dextran 70 on Reticuloendothelial System in Systemically Infected Mice with Klebsiella Pneumoniae

Jamela Gh Auda Auda

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Publication Date

Sun Sep 02 2007

Journal Name

Iraqi Postgraduate Medical Journal

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The Efficacy of Dextran 70 on Reticuloendothelial System in Systemically Infected Mice with Klebsiella Pneumoniae

Jamela Gh Auda Auda

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The reticuloendothelial system (RES) play an important role in immunity against bacterial infection and Klebsiella pneumoniae one of the most common causes of hospital-acquired infections. Dextran70 (D70), a polysaccharide, may alter functions of this system through changing many biological activities in the tissues.

Publication Date

Thu Jan 01 2026

Journal Name

Chalcogenide Letters

Structural and Optical Properties of Cu2ZnSn(S1−xSex)4 Nanostructures Thin Film for Photovoltaic Applications

Cu2 ZnSn(S1−x Se x)4 thin film

energy gap

dielectric constant

extinction coefficient

refractive index

Bushra A.

Ameer J.

Ahmad A.

Yasser A.

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Copper zinc tin sulfide selenide, Cu2 ZnSn(S1−x Se x)4 , absorbers are promising earth-abundant and environmentally benign materials for low-cost photovoltaic applications. This study investigates the structural and optical properties of Cu 2 ZnSn(S1−x Se x)4 nanostructured thin films prepared by pulsed laser deposition using melt-quenched targets with selenium compositions x = 0.0–1.0. X-ray diffraction revealed that films with low selenium content remained amorphous, whereas higher selenium incorporation promoted the formation of polycrystalline kesterite–stannite phases with preferred orientations along (112), (200), (220), and (312). The crystallite size increased from 12.3 to 17.9 nm as selenium reached x = 1.0, indicating enha

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