Production and Characterization of Electrospan Polymer Nano-fibers

Electrospinning is a process of generating polymer fibers by accelerating a polymer solution through an electric field. The polymer solution is released at a designated rate through a syringe; once the droplet enters the high voltage region, it whips throughout the chamber, landing upon a grounded collector. This procedure results in fibers with a range of diameter from several nanometers to a few micrometers. These fibers can be used in a variety of applications, including drug delivery, filter media, material substrates, optical media, tissue scaffolds, and wound dressing. For my senior thesis, I established the most successful method of creating nanofibers and documented the qualities and characteristics of these fibers using optical microscopy. I investigated creating polymer fibers using different solutes and experimented with gold nano-particles additives. In my future experiments, I want to generate nanofibers with other additives such as carbon and quantum dots and measure the physical characteristics, both optically and electrically

Pengelolaan Modal Kerja Produksi Meubel Pada CV. Aneka Jaya Di Samarinda

Hasil penelitian diperoleh 1) Selama periode buku 2010-2011 hasil penjualan turun sebesar 35,86% dan pendapatan hanya naik sebesar 1,16%, sedangkan biaya-biaya hanya turun sebesar 1,85% sehingga pendapatan meningkat sebesar 32,44%. 2) Penggunaan modal kerja tidak efisien disebabkan modal yang dikeluarkan masih jauh lebih besar dibanding dengan laba yang diperoleh. Aktiva tetap yang relatif tetap menguatkan data bahwa pemilik usaha selama periode 2010-2011 tidak mampu meningkatkan asset karena tidak memiliki laba yang cukup untuk meningkatkan pendapatan riil dan mendorong penambahan asset

Scientific Misconduct in Academia: A Survey and Analysis of Applicable Law

During the 1980s, public trust in science as a discipline and the integrity of scientists has been challenged by multiple reports of data falsification, plagiarism, and misrepresentation of research results. This Comment defines scientific misconduct, analyzes its origins, and surveys applicable federal agency regulations and federal laws that structure the response of the academic community to this complex problem. The author argues that misconduct in science has its origins in the culture of medical education, academic promotion policies, editorial peer review deficiencies, and lack of institutional action. The Article concludes that additional institutional self-regulation and a more vigorous application of existing laws may be required to prevent and detect scientific misconduct

Randomized clinical trial of the effects of screening and brief intervention for illicit drug use: the Life Shift/Shift Gears study.

BackgroundAlthough screening, brief intervention, and referral to treatment (SBIRT) has shown promise for alcohol use, relatively little is known about its effectiveness for adult illicit drug use. This randomized controlled trial assessed the effectiveness of the SBIRT approach for outcomes related to drug use among patients visiting trauma and emergency departments (EDs) at two large, urban hospitals.MethodsA total of 700 ED patients who admitted using illegal drugs in the past 30 days were recruited, consented, provided baseline measures of substance use and related problems measured with the Addiction Severity Index-Lite (ASI-Lite), and then randomized to the Life Shift SBIRT intervention or to an attention-placebo control group focusing on driving and traffic safety (Shift Gears). Both groups received a level of motivational intervention matched to their condition and risk level by trained paraprofessional health educators. Separate measurement technicians conducted face-to-face follow-ups at 6 months post-intervention and collected hair samples to confirm reports of abstinence from drug use. The primary outcome measure of the study was past 30-day drug abstinence at 6 months post-intervention, as self-reported on the ASI-Lite.ResultsOf 700 participants, 292 (42%) completed follow-up. There were no significant differences in self-reported abstinence (12.5% vs. 12.0% , p = 0.88) for Life Shift and Shift Gears groups, respectively. When results of hair analyses were applied, the abstinence rate was 7 percent for Life Shift and 2 percent for Shift Gears (p = .074). In an analysis in which results were imputed (n = 694), there was no significant difference in the ASI-Lite drug use composite scores (Life Shift +0.005 vs. Shift Gears +0.017, p = 0.12).ConclusionsIn this randomized controlled trial, there was no evidence of effectiveness of SBIRT on the primary drug use outcome.Trial registrationClinicalTrials.gov NCT01683227