Doble angustia

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Of Variegated Shadows

Of Variegated Shadows is an original composition for wind ensemble. The purpose of the composition is to contribute a work to college level wind ensemble literature which employs established instrumental techniques and explores the various colors or timbres of the ensemble. The work is a single movement of approximately 15 - 20 minutes duration. It is divided into three continuous sections, each reflecting a different character or mood. A transition couples the first and second sections and a coda concludes the composition with a brief return of the opening section. Textures of the piece are transparent with an emphasis given to the blending of different colors in the ensemble. Instrumentation includes antique cymbals, vibraphone and tam-tam to add subtle shades of color. Thematic materials woven into the texture are linearly constructed as well as vertically layered and fragmented. There is no order or system in which pitches occur, although intervals used reflect the motivic structures in the work

Face Detection with Effective Feature Extraction

There is an abundant literature on face detection due to its important role in many vision applications. Since Viola and Jones proposed the first real-time AdaBoost based face detector, Haar-like features have been adopted as the method of choice for frontal face detection. In this work, we show that simple features other than Haar-like features can also be applied for training an effective face detector. Since, single feature is not discriminative enough to separate faces from difficult non-faces, we further improve the generalization performance of our simple features by introducing feature co-occurrences. We demonstrate that our proposed features yield a performance improvement compared to Haar-like features. In addition, our findings indicate that features play a crucial role in the ability of the system to generalize.Comment: 7 pages. Conference version published in Asian Conf. Comp. Vision 201

Optimal Initial Dose of Orally Administered Once-daily Extended-release Tacrolimus Following Intravenous Tacrolimus Therapy After Liver Transplantation

Introduction. Once-daily extended-release tacrolimus (Tac-OD) is expected to reduce non-adherence in recipients after liver transplantation (LT). The aim of this study was to determine the optimal initial dose of orally administered Tac-OD after intravenous tacrolimus (Tac-IV) therapy after LT. Patients and Methods. This prospective study included 10 adult recipients who had undergone LT at our institute. The recipients were prescribed tacrolimus by continuous intravenous administration with a steroid as initial immunosuppression therapy. Tacrolimus was converted from intravenous administration to once-daily oral intake when gastrointestinal function returned. We evaluated tacrolimus concentrations in blood 9 times a day and area under the blood concentration time curve (AUC) during conversion. The optimal initial dose of Tac-OD was determined based on simple regression analysis between the oral dose of Tac-OD and the total dose of Tac-IV during a 24-hour period. Results. The AUC before and after conversion showed no differences. We found that the optimal initial dose of Tac-OD was 8 times the dose of Tac-IV. There was a relationship between the AUC and the trough level. No recipients experienced acute rejection or adverse effects such as renal failure, neurotoxicity, or cardiac failure during conversion. Conclusions. We successfully converted continuous Tac-IV to oral intake of Tac-OD by adjusting the dose using trough levels without acute rejection or adverse effects. The AUC of Tac-OD correlated with the trough level. The optimal initial dose ratio of Tac-OD after Tac-IV was 8:1.ArticleTRANSPLANTATION PROCEEDINGS. 46(3):794-796 (2014)journal articl

Gonadotropic activity of a second relaxin-type peptide in starfish.

In starfish, a relaxin-like gonad-stimulating peptide (RGP) acts as a gonadotropin that triggers gamete maturation and spawning. In common with other relaxin/insulin superfamily peptides, RGP consists of an A- and a B-chain, with cross-linkages mediated by one intra- and two inter-chain disulfide bonds. In this study, a second relaxin-like peptide (RLP2) was identified in starfish species belonging to the orders Valvatida, Paxillosida, and Forcipulatida. Like RGP, RLP2 precursors comprise a signal peptide and a C-peptide in addition to the A- and B-chains. However, a unique cysteine motif [CC-(3X)-C-(10X)-C] is present in the A-chain of RLP2, which contrasts with the cysteine motif in other members of the relaxin/insulin superfamily [CC-(3X)-C-(8X)-C]. Importantly, in vitro pharmacological tests revealed that Patiria pectinifera RLP2 (Ppe-RLP2) and Asterias rubens RLP2 (Aru-RLP2) trigger shedding of mature eggs from ovaries of P. pectinifera and A. rubens, respectively. Furthermore, the potencies of Ppe-RLP2 and Aru-RLP2 as gonadotropic peptides were similar to those of Ppe-RGP and Aru-RGP, respectively, and the effect of RLP2 exhibited partial species-specificity. These findings indicate that two relaxin-type peptides regulate spawning in starfish and therefore we propose that RGP and RLP2 are renamed RGP1 and RGP2, respectively