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Oligomeric Procyanidin Nanoliposomes Prevent Melanogenesis and UV Radiation-Induced Skin Epithelial Cell (HFF-1) Damage
The potential protective effect of nanoliposomes loaded with lotus seedpod oligomeric procyanidin (LSOPC) against melanogenesis and skin damaging was investigated. Fluorescence spectroscopy showed that, after encapsulation, the LSOPC-nanoliposomes still possessed strong inhibitory effects against melanogenesis, reducing the activity of both monophenolase and diphenolase. Molecular docking indicated that LSOPC could generate intense interactive configuration with tyrosinase through areneâH, areneâarene, and hydrophobic interaction. An ultraviolet radiated cell-culture model (human foreskin fibroblast cell (HFF-1)) was used to determine the protective effects of the LSOPC-nanoliposomes against skin aging and damage. Results showed that LSOPC-nanoliposomes exerted the highest protective effects against both ultraviolet B (UVB) and ultraviolet A (UVA) irradiation groups compared with non-encapsulated LSOPC and a control (vitamin C). Superoxide dismutase (SOD) and malonaldehyde (MDA) assays demonstrated the protection mechanism may be related to the anti-photooxidation activity of the procyanidin. Furthermore, a hydroxyproline assay suggested that the LSOPC-nanoliposomes had a strong protective effect against collagen degradation and/or synthesis after UVA irradiation
Inside-Out Corporate Governance
Until late in the twentieth century, internal corporate governanceâthat is, decision making by the principal constituencies of the firmâwas clearly distinct from outside oversight by regulators, auditors and credit rating agencies, and markets. With the 1980s takeover wave and hedge fundsâ and equity fundsâ more recent involvement in corporate governance, the distinction between inside and outside governance has eroded. The tools of inside governance are now routinely employed by governance outsiders, intertwining the two traditional modes of governance. We argue in this Article that the shift has created a new governance paradigm, which we call inside-out corporate governance.
Using the inside-out model as our lens, and drawing on comparisons to Italian and E.U. governance, we explore three areas of corporate governance that have been pervasively restructured by the Dodd-Frank Act and subsequent regulation: proxy access, credit rating agencies, and derivatives. We begin, in Part I, with proxy access, arguing that the new scheme for minority shareholder access excludes the very outsiders it ostensibly integrates into corporate governance. In Part II, which focuses on auditing and credit rating agencies, we argue that the inside-out relationshipâin which the corporation itself chooses its gatekeeperâis deeply problematic but cannot be âcured.â The most realistic strategy is to create more flexibility in the audit relationship, and diminish the importance of credit ratings. Part III analyzes the new derivatives regulation. Here, we argue that Congressâs effort to sharply separate the inside and outside uses of derivatives is incoherent from a corporate governance perspective. We conclude by briefly speculating about the future implications of inside-out governance
Inside-Out Corporate Governance
Until late in the twentieth century, internal corporate governanceâthat is, decision making by the principal constituencies of the firmâwas clearly distinct from outside oversight by regulators, auditors and credit rating agencies, and markets. With the 1980s takeover wave and hedge fundsâ and equity fundsâ more recent involvement in corporate governance, the distinction between inside and outside governance has eroded. The tools of inside governance are now routinely employed by governance outsiders, intertwining the two traditional modes of governance. We argue in this Article that the shift has created a new governance paradigm, which we call inside-out corporate governance.
Using the inside-out model as our lens, and drawing on comparisons to Italian and E.U. governance, we explore three areas of corporate governance that have been pervasively restructured by the Dodd-Frank Act and subsequent regulation: proxy access, credit rating agencies, and derivatives. We begin, in Part I, with proxy access, arguing that the new scheme for minority shareholder access excludes the very outsiders it ostensibly integrates into corporate governance. In Part II, which focuses on auditing and credit rating agencies, we argue that the inside-out relationshipâin which the corporation itself chooses its gatekeeperâis deeply problematic but cannot be âcured.â The most realistic strategy is to create more flexibility in the audit relationship, and diminish the importance of credit ratings. Part III analyzes the new derivatives regulation. Here, we argue that Congressâs effort to sharply separate the inside and outside uses of derivatives is incoherent from a corporate governance perspective. We conclude by briefly speculating about the future implications of inside-out governance
Art in cinematic narration : the interplay of pictorial texts in films
Ph.D. University of Hawaii at Manoa 2011.Includes bibliographical references.This paper explores how filmmakers use painting and calligraphy/writing as prop and image, blending various styles of painting and calligraphy/writing to portray characters, create settings, depict sequences, frame narrative structures and convey meaning. This study will examine ideas about the artistic value of Chinese and English calligraphy, and their integration into cinematic images.
Besides written texts, I also examine the ways that both Chinese and Western paintings are used creatively to advance the visual rhetoric and narrative strategies in cinema. I will focus on the compositional designs of cinematic images, their cultural implications and narrative elements such as setting, characterization, metaphor, hyperbole and irony.
Susan Felleman in Art in Cinematic Imagination points out that a small but significant body of scholarly work in the past decade has discussed the use of non-cinematic visual arts, such as painting, in films (2). However, little work has been done on written words in cinematic images. This paper aims to expand the discussion about painting in cinema, as well as to the examination of written texts integrated into cinematic images
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