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Verbundvorhaben: "Materialien für ultradünne Silizium-Solarzellen" - x[my]-Material - im Rahmen des Spitzenclusters "Solarvalley Mitteldeutschland", Teilvorhaben: Verteilung und Verunreinigungen und Einfluss auf elektrische Eigenschaften von Solarsilizium und -zellen : Schlussbericht ; Laufzeit des Vorhabens und Berichtszeitraum: 01.03.2009 - 31.03.2011 (2011)

Reißenweber, Sabine ; Möller, H. J.

Freiburg : Techn. Univ., Inst. für Experimentelle Physik

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Keywords: Forschungsbericht

Type of Medium: Online Resource

Pages: Online-Ressource (15 S., 1,07 MB) , Ill., graph. Darst.

URL: https://edocs.tib.eu/files/e01fb11/672518007.pdf

URL: https://doi.org/10.2314/GBV:672518007

URL: https://edocs.tib.eu/files/e01fb11/672518007l.pdf

DOI: 10.2314/GBV:672518007

Language: German

Note: Förderkennzeichen BMBF 03SF0336 E. - Verbund-Nr. 01066114 , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden. - Auch als gedr. Ausg. vorhanden , Systemvoraussetzungen: Acrobat reader.

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Contact allergy to gold in patients with gold-plated intracoronary stents (2005)

Svedman, C. ; Tillman, C. ; Gustavsson, C. G. ; [et al.]

Oxford, UK; Malden, USA : Munksgaard International Publishers

Contact dermatitis 52 (2005), S. 0

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ISSN: 1600-0536

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Medicine

Notes: An increasingly common and effective method for the treatment of atherosclerotic disease in the coronary arteries is percutaneous transluminal coronary angioplasty (PTCA) and stenting. The stents are made of different metals. An increased rate of restenosis when using gold-plated stents has been shown. Contact allergy to gold is common in many countries. Recently, a study has shown an increased rate of contact allergy to nickel among patients with restenosis and a nickel-containing stent. The aims of our study were to investigate whether there was an increased rate of contact allergy to gold among patients with gold-plated stents and if this increased the risk of restenosis. 22 patients who had received a gold-plated stent were patch tested. An age- and sex-matched population of 88 patients, previously patch tested because of a suspected contact dermatitis, served as controls. In the stent group, 10/22 (45.5%) had a contact allergy to gold, in the control group 18/88 (20.5%); the difference is statistically significant (P = 0.04). There was no significant difference regarding frequency of restenosis. Our study indicates that there is a risk of sensitizing the patient when implanting a gold-plated stent. Further studies are needed to confirm these results and to evaluate whether there is an increased risk of restenosis.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1111/j.0105-1873.2005.00522.x

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Melanocytes in nevi and melanomas synthesize basement membrane and basement membrane-like material. An immunohistochemical and electron microscopic study including immunoelectron microscopy (2000)

Schaumburg-Lever, G. ; Lever, I. ; Fehrenbacher, B. ; [et al.]

Copenhagen : Munksgaard International Publishers

Journal of cutaneous pathology 27 (2000), S. 0

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ISSN: 1600-0560

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Medicine

Notes: Light microscopic studies have shown that nevus cell nests and melanoma nests are surrounded by basement membrane (BM) material containing type IV collagen and laminin. This study confirms this by electron microscopy and relates it to proteins which interact with the basement membrane. Nevi except for dysplastic and Spitz nevi, malignant melanomas, and melanoma metastases were studied by immunohistopathology, routine electron microscopy (EM), and immunoelectron microscopy. The lesions were incubated with monoclonal antibody (moAb) against type IV collagen, laminin, and the integrin α6 and studied by light microscopy. In addition, melanomas were studied by immuno-EM after incubation with a moAb against matrix metalloproteinase-2 (MMP-2). Nevus cell nests and melanoma nests are surrounded by BM material containing type IV collagen and laminin by immuno-EM. The BM material various in thickness and is amorphous. Type IV collagen, laminin, and MMP-2 are synthesized by melanoma cells as well as adjacent fibroblasts. Destruction or loss of the BM is not mandatory for melanoma invasion or even metastasis. Possibly the BM material is a protective wall for melanoma cells. Interactions between melanocytes and the extracellular matrix of which the BM is a part, can be traced back to the migration of melanocytes from the neural crest.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1034/j.1600-0560.2000.027002067.x

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Structural and biochemical studies of SLIP1-SLBP identify DBP5 and eIF3g as SLIP1-binding proteins (2013)

von Moeller, H., Lerner, R., Ricciardi, A., Basquin, C., Marzluff, W. F., Conti, E.

Oxford University Press

In: Nucleic Acids Research

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Publication Date: 2013-09-06

Description: In metazoans, replication-dependent histone mRNAs end in a stem-loop structure instead of the poly(A) tail characteristic of all other mature mRNAs. This specialized 3' end is bound by stem-loop binding protein (SLBP), a protein that participates in the nuclear export and translation of histone mRNAs. The translational activity of SLBP is mediated by interaction with SLIP1, a m iddle domain of i nitiation f actor 4G (MIF4G)-like protein that connects to translation initiation. We determined the 2.5 Å resolution crystal structure of zebrafish SLIP1 bound to the translation–activation domain of SLBP and identified the determinants of the recognition. We discovered a SLIP1-binding motif (SBM) in two additional proteins: the translation initiation factor eIF3g and the mRNA-export factor DBP5. We confirmed the binding of SLIP1 to DBP5 and eIF3g by pull-down assays and determined the 3.25 Å resolution structure of SLIP1 bound to the DBP5 SBM. The SBM-binding and homodimerization residues of SLIP1 are conserved in the MIF4G domain of CBP80/20-dependent translation initiation factor (CTIF). The results suggest how the SLIP1 homodimer or a SLIP1–CTIF heterodimer can function as platforms to bridge SLBP with SBM-containing proteins involved in different steps of mRNA metabolism.

Print ISSN: 0305-1048

Electronic ISSN: 1362-4962

Topics: Biology

Published by Oxford University Press

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Entrapment of DNA in an intersubunit tunnel system of a single-stranded DNA-binding protein (2014)

Ghalei, H., Moeller, H. v., Eppers, D., Sohmen, D., Wilson, D. N., Loll, B., Wahl, M. C.

Oxford University Press

In: Nucleic Acids Research

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Publication Date: 2014-06-03

Description: Instead of a classical s ingle- s tranded deoxyribonuleic acid (DNA)- b inding protein (SSB), some hyperthermophilic crenarchaea harbor a non-canonical SSB termed ThermoDBP. Two related but poorly characterized groups of proteins, which share the ThermoDBP N-terminal DNA-binding domain, have a broader phylogenetic distribution and co-exist with ThermoDBPs and/or other SSBs. We have investigated the nucleic acid binding properties and crystal structures of representatives of these groups of ThermoDBP- r elated p roteins (ThermoDBP-RPs) 1 and 2. ThermoDBP-RP 1 and 2 oligomerize by different mechanisms and only ThermoDBP-RP2 exhibits strong single-stranded DNA affinity in vitro . A crystal structure of ThermoDBP-RP2 in complex with DNA reveals how the NTD common to ThermoDBPs and ThermoDBP-RPs can contact the nucleic acid in a manner that allows a symmetric homotetrameric protein complex to bind single-stranded DNA molecules asymmetrically. While single-stranded DNA wraps around the surface or binds along channels of previously investigated SSBs, it traverses an internal, intersubunit tunnel system of a ThermoDBP-RP2 tetramer. Our results indicate that some archaea have acquired special SSBs for genome maintenance in particularly challenging environments.

Print ISSN: 0305-1048

Electronic ISSN: 1362-4962

Topics: Biology

Published by Oxford University Press

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