3,444 research outputs found

    THE USE OF COLE-COLE PLOTS TO COMPARE 2 MULTIFREQUENCY BIOIMPEDANCE INSTRUMENTS

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    Two commercially available multi-frequency bioimpedance spectrometers (Xitron 4000B and SEAC SFB3) were compared by performing measurements on a set of electronic circuits and by studying 14 healthy volunteers. Output data were plotted as reactance versus resistance and fitted with a semicircle using a least squares fitting program. In tests with six electronic circuits both instruments produced impedance loci that were well described by semicircular Cole-Cole plots, though there were some minor discrepancies using the Xitron instrument at frequencies above 150 kHz. When tested on the volunteers the SEAC instrument gave very good fits (RMSE = 1.5 Omega) to a semicircle from 5-600 kHz on all volunteers. The Xitron instrument gave excellent fits to the semicircle between 5 and 55 kHz (RMSE = 0.7 Omega) but above 55 kHz the phase measurements stayed constant or even increased, confirming the anomalous behaviour reported by other authors. The conclusions to be drawn are that the semicircular plots predicted by the Cole-Cole theory give a very good description of multifrequency impedance data recorded by the SEAC SFB3 instrument, on human subjects, for frequencies between 5 and 600 kHz. The Xitron 4000B is not able to reproduce the theoretically expected results in humans above 55 kHz

    Evaluation of multiple frequency bioelectrical impedance and Cole-Cole analysis for the assessment of body water volumes in healthy humans

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    Objective: To assess the application of a Cole-Cole analysis of multiple frequency bioelectrical impedance analysis (MFBIA) measurements to predict total body water (TEW) and extracellular water (ECW) in humans. This technique has previously been shown to produce accurate and reliable estimates in both normal and abnormal animals

    Can Ethics be Sexy?

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    Oregon serious crime survey

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    author, survey administration and data processing: Stan WoodwellCaption titleThis archived document is maintained by the State Library of Oregon as part of the Oregon Documents Depository Program. It is for informational purposes and may not be suitable for legal purposesBureau of Justice Statistics, United States Department of Justice 80-BJ-CX-K009 82-BJ-CX-0002 82-BJ-CX-0014Mode of access: Internet from the Oregon Government Publications CollectionText in Englis

    BJ-TSA-9, a Novel Human Tumor-Specific Gene, Has Potential as a Biomarker of Lung Cancer

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    AbstractUsing bioinformatics, we have identified a novel tumorspecific gene BJ-TSA-9, which has been validated by Northern blot analysis and reverse transcriptionpolymerase chain reaction (RT-PCR). BJ-TSA-9 mRNA was expressed in 52.5% (21 of 40) of human lung cancer tissues and was especially higher in lung adenocarcinoma (68.8%). To explore the potential application of BJ-TSA-9 for the detection of circulating cancer cells in lung cancer patients, nested RT-PCR was performed. The overall positive detection rate was 34.3% (24 of 70) in peripheral blood mononuclear cells (PBMCs) of patients with various types of lung cancers and was 53.6% (15 of 28) in PBMCs of lung adenocarcinoma patients. In combination with the detection of two known marker genes SCC and LUNX, the detection rate was increased to 81.4%. A follow-up study was performed in 37 patients after surgical removal of tumor mass. Among nine patients with persistent detection of two to three tumor marker transcripts in PBMCs, six patients had recurrence/metastasis. In contrast, 28 patients with transient detection of one tumor marker or without detection of any tumor marker were all in remission. Thus, BJ-TSA-9 may serve as a marker for lung cancer diagnosis and as a marker, in combination with two other tumor markers, for the prediction of the recurrence and prognosis of lung cancer patients

    Improving Emergency Medical Services in Minnesota: A Legal Analysis of Minnesota's EMS Statutes and Regulations

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    Report completed by students Scott May and Cole Birkeland, enrolled in LAW 7606: Independent Research, with Professor Paul Vaaler serving as faculty adviser in Spring 2021.This project was completed as part of a partnership between the Minnesota State Fire Chiefs Association (MSFCA) and the University of Minnesota’s Resilient Communities Project (http://www.rcp.umn.edu). The goal of this project was to provide a legal analysis of Minnesota’s emergency medical services statutes and regulations. MSFCA project lead BJ Jungmann collaborated with students in Professor Paul Vaaler’s course, LAW 7606: Independent Research, to contextualize Minnesota’s EMS statutes and regulations, describe Minnesota’s primary service area system by explaining Minnesota’s EMS statutes and regulations and exploring their antitrust implications, and examine the uniqueness of Minnesota’s primary service area system. A final student report and presentation are available. A videorecording of the students' final presentation is also available at https://vimeo.com/547573428.This project was supported by the Resilient Communities Project (RCP), a program at the University of Minnesota whose mission is to connect communities in Minnesota with U of MN faculty and students to advance community resilience through collaborative, course-based projects. RCP is a program of the Center for Urban and Regional Affairs (CURA). More information at http://www.rcp.umn.edu.Birkeland, Cole; May, Scott. (2021). Improving Emergency Medical Services in Minnesota: A Legal Analysis of Minnesota's EMS Statutes and Regulations. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/220257

    Bj: Physical Parts Bj

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    Comments are invited and should be directed to the author at the address listed below. Please do not reproduce in any way without the permission of the authors. A complet
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