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Experimental Error

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1. Effectiveness of intervention due to feedback on errors arising from inappropriate transportation and storage of blood bags in hospitals: a quasi-experimental study Full Text available with Trip Pro

Effectiveness of intervention due to feedback on errors arising from inappropriate transportation and storage of blood bags in hospitals: a quasi-experimental study The limited supply of red blood cells (RBCs) for transfusion has clinical implications, and can lead to the introduction of different approaches in decreasing blood wastage and the safe and effective delivery of blood products.To identify the influences of feedback-based intervention on inappropriate temperatures during (...) transportation and storage of blood bags.This was a quasi-experimental pretest-posttest design with a non-equivalent control group that was carried out on 200 RBC. The study was conducted in a teaching hospital in Mashhad, Iran, and in two periods during the same season: winter of 2015 (pre-intervention period) and winter of 2016 (post-intervention period). Staff of the blood bank department, as the intervention group, received the intervention including feedback regarding the inappropriate temperature

2018 Electronic physician

2. Impact of errors in experimental parameters on reconstructed breast images using diffuse optical tomography Full Text available with Trip Pro

Impact of errors in experimental parameters on reconstructed breast images using diffuse optical tomography Near-infrared diffuse optical tomography (NIR-DOT) is an emerging technology that offers hemoglobin based, functional imaging tumor biomarkers for breast cancer management. The most promising clinical translation opportunities are in the differential diagnosis of malignant vs. benign lesions, and in early response assessment and guidance for neoadjuvant chemotherapy. Accurate (...) quantification of the tissue oxy- and deoxy-hemoglobin concentration across the field of view, as well as repeatability during longitudinal imaging in the context of therapy guidance, are essential for the successful translation of NIR-DOT to clinical practice. The ill-posed and ill-condition nature of the DOT inverse problem makes this technique particularly susceptible to model errors that may occur, for example, when the experimental conditions do not fully match the assumptions built into the image

2018 Biomedical optics express

3. Biomechanical Measurement Error Can Be Caused by Fujifilm Thickness: A Theoretical, Experimental, and Computational Analysis Full Text available with Trip Pro

Biomechanical Measurement Error Can Be Caused by Fujifilm Thickness: A Theoretical, Experimental, and Computational Analysis This is the first study to quantify the measurement error due to the physical thickness of Fujifilm for several material combinations relevant to orthopaedics. Theoretical and experimental analyses were conducted for cylinder-on-flat indentation over a series of forces (750 and 3000 N), cylinder diameters (0 to 80 mm), and material combinations (metal-on-metal, MOM; metal (...) × F0.2273 × D0.2936 for MOM tests, WF = 0.0449 × F0.4664 × D0.4201 for MOP tests, and WF = 0.1647 × F0.2397 × D0.3394 for MOB tests, where F is compressive force and D is cylinder diameter. Fujifilm thickness error ratio WF /WO showed a nonlinear decrease versus cylinder diameter, whilst error graphs shifted down as force increased. Computational finite element analysis for several test cases agreed with theoretical and experimental data, respectively, to within 3.3% and 1.4%. Despite its wide use

2017 BioMed research international

4. Impact of prior errors on visuomotor adaptation and savings: experimental considerations and clinical implications Full Text available with Trip Pro

Impact of prior errors on visuomotor adaptation and savings: experimental considerations and clinical implications The motor system retains learning from visuomotor adaptation tasks in the form of "savings" to enable faster readaptation to similar perturbations in the future. Leow et al. (J Neurophysiol 116: 1603-1614, 2016) suggest that the experience of prior errors during relearning is necessary for savings while repetition of prior actions may not be sufficient. These findings provide novel (...) insight into factors that contribute to visuomotor adaptation and can be applied to future experimental and clinical research.Copyright © 2017 the American Physiological Society.

2017 Journal of neurophysiology

5. Error Modeling and Experimental Study of a Flexible Joint 6-UPUR Parallel Six-Axis Force Sensor Full Text available with Trip Pro

Error Modeling and Experimental Study of a Flexible Joint 6-UPUR Parallel Six-Axis Force Sensor By combining a parallel mechanism with integrated flexible joints, a large measurement range and high accuracy sensor is realized. However, the main errors of the sensor involve not only assembly errors, but also deformation errors of its flexible leg. Based on a flexible joint 6-UPUR (a kind of mechanism configuration where U-universal joint, P-prismatic joint, R-revolute joint) parallel six-axis (...) force sensor developed during the prephase, assembly and deformation error modeling and analysis of the resulting sensors with a large measurement range and high accuracy are made in this paper. First, an assembly error model is established based on the imaginary kinematic joint method and the Denavit-Hartenberg (D-H) method. Next, a stiffness model is built to solve the stiffness matrix. The deformation error model of the sensor is obtained. Then, the first order kinematic influence coefficient

2017 Sensors (Basel, Switzerland)

6. Experimental Errors in QSAR Modeling Sets: What We Can Do and What We Cannot Do Full Text available with Trip Pro

Experimental Errors in QSAR Modeling Sets: What We Can Do and What We Cannot Do Numerous chemical data sets have become available for quantitative structure-activity relationship (QSAR) modeling studies. However, the quality of different data sources may be different based on the nature of experimental protocols. Therefore, potential experimental errors in the modeling sets may lead to the development of poor QSAR models and further affect the predictions of new compounds. In this study, we (...) explored the relationship between the ratio of questionable data in the modeling sets, which was obtained by simulating experimental errors, and the QSAR modeling performance. To this end, we used eight data sets (four continuous endpoints and four categorical endpoints) that have been extensively curated both in-house and by our collaborators to create over 1800 various QSAR models. Each data set was duplicated to create several new modeling sets with different ratios of simulated experimental errors

2017 ACS Omega

7. An acetaminophen icon helps reduce medication decision errors in an experimental setting. (Abstract)

An acetaminophen icon helps reduce medication decision errors in an experimental setting. To assess the effect of adding an acetaminophen ingredient icon to acetaminophen medication labels on consumer decision making about concomitant use of acetaminophen medications to avoid overdose, which is associated with liver injury.Parallel-group randomized study.Consumer research facilities in Indianapolis, Baltimore, and Los Angeles.A total of 517 adults (30% with limited health literacy) recruited (...) taken. Outcome measures were errors in medication decisions and response time.The icon reduced the odds of participants making medication-decision errors by 53% (CI 31%-68%), with effects evident across medication categories. The icon eliminated a trend for those with lower health literacy or less education to have a greater likelihood of making errors. The icon also reduced response times, indicating reduced cognitive load for decisions.An icon can improve decision making regarding acetaminophen

2017 Journal of the American Pharmacists Association : JAPhA Controlled trial quality: uncertain

8. Do barcode medication administration systems reduce expressed breast milk administration errors? A Rapid Review

: Neonatal Exclude: Adult Types of evidence Include: Systematic Review Exclude: All other qualitative or experimental studies. Limits Date: No limit. Language: Publications in English. Database searching The following sources were searched with respect to the evidence around barcode management of breast milk (Table 2). Keywords were selected based on a systematic review known to the authors 1 . Rapid Review Barcode Systems and Breastmilk Errors: A Rapid Review 2 Table 2. Summary of databases searched (...) Do barcode medication administration systems reduce expressed breast milk administration errors? A Rapid Review Barcode Systems and Breastmilk Errors: A Rapid Review 1 Do barcode medication administration systems reduce expressed breast milk administration errors? A Rapid Review Corey Joseph & Angela Melder. 24/08/2017. Do barcode medication administration systems in neonates reduce expressed breast milk administration errors? A Rapid Review. Centre for Clinical Effectiveness, Monash Health

2017 Monash Health Evidence Reviews

9. Experimental Error

Experimental Error Experimental Error Toggle navigation Brain Head & Neck Chest Endocrine Abdomen Musculoskeletal Skin Infectious Disease Hematology & Oncology Cohorts Diagnostics Emergency Findings Procedures Prevention & Management Pharmacy Resuscitation Trauma Emergency Procedures Ultrasound Cardiovascular Emergencies Lung Emergencies Infectious Disease Pediatrics Neurologic Emergencies Skin Exposure Miscellaneous Abuse Cancer Administration 4 Experimental Error Experimental Error Aka (...) : Experimental Error , Experimental Bias From Related Chapters II. Definitions Bias Error introduced systematically by faults in experimental methodology Experimental Error Error due to either bias (see below) Error due to chance (random) Alpha Error (false positive) Difference is due to chance P Value represents the probability that results are due to chance (p <0.05 is goal) Beta Error (false negative) There was a true difference between experimental and control groups However, study detects no difference

2018 FP Notebook

10. How Do Simulated Error Experiences Impact Attitudes Related to Error Prevention? Full Text available with Trip Pro

experiences) to an experimental group of students who reviewed medication error content and participated in simulated error experiences. Dependent measures included perceived memorability of the educational experience, perceived frequency of errors, and perceived caution with respect to preventing errors.Experienced nursing students perceived the simulated error experiences to be more memorable than movies. Less experienced students perceived both simulated error experiences and movies to be highly (...) How Do Simulated Error Experiences Impact Attitudes Related to Error Prevention? The objective of this project was to determine whether simulated exposure to error situations changes attitudes in a way that may have a positive impact on error prevention behaviors.Using a stratified quasi-randomized experiment design, we compared risk perception attitudes of a control group of nursing students who received standard error education (reviewed medication error content and watched movies about error

2017 Simulation in healthcare : journal of the Society for Simulation in Healthcare Controlled trial quality: uncertain

11. Single molecule counting and assessment of random molecular tagging errors with transposable giga-scale error-correcting barcodes Full Text available with Trip Pro

, leading to inaccurate transcriptome quantification especially at low input and single-cell RNA amounts where the total number of molecules present is minuscule. To address this issue, we demonstrated the systematic identification of molecular species using transposable error-correcting barcodes that are exponentially expanded to tens of billions of unique labels.We experimentally showed random-mer molecular barcodes suffer from substantial and persistent errors that are difficult to resolve. To assess (...) Single molecule counting and assessment of random molecular tagging errors with transposable giga-scale error-correcting barcodes RNA-Seq measures gene expression by counting sequence reads belonging to unique cDNA fragments. Molecular barcodes commonly in the form of random nucleotides were recently introduced to improve gene expression measures by detecting amplification duplicates, but are susceptible to errors generated during PCR and sequencing. This results in false positive counts

2017 BMC genomics

12. The effectiveness of an auditory temporal training program in children who present voiceless/voiced-based orthographic errors. Full Text available with Trip Pro

the effectiveness of an auditory temporal training program based on activities adapted from the software Fast ForWord in the auditory temporal processing, i.e. the temporal ordering skill, and in reducing voiceless/voiced-based orthographic errors and the frequency of occurrence of these errors in the written production of the children.Twenty-five children participated on this study. They were divided in two groups: experimental group consisting of 16 participants, who engaged in the auditory temporal training (...) the placebo group in the pre-training and post-training evaluations, in all evaluation measures. However, statistically significant differences were found in the pre-training and post-training evaluations for the pitch pattern sequence test concerning the experimental group. These differences were specifically related to a reduction of the errors regarding fricative graphemes, and the frequency of occurrence of plosive and fricative graphemes.The auditory temporal training program was effective

2019 PLoS ONE Controlled trial quality: uncertain

13. An algorithm of image mosaic based on binary tree and eliminating distortion error. Full Text available with Trip Pro

an automatic image straightening model to rectify the panorama, which further improves the panoramic distortion. The experimental results show that the proposed method cannot only enhance the efficiency of image stitching processing, but also reduce the panoramic distortion errors and obtain a better quality panoramic result. (...) An algorithm of image mosaic based on binary tree and eliminating distortion error. The traditional image mosaic result based on SIFT feature points extraction, to some extent, has distortion errors: the larger the input image set, the greater the spliced panoramic distortion. To achieve the goal of creating a high-quality panorama, a new and improved algorithm based on the A-KAZE feature is proposed in this paper. This includes changing the way reference image are selected and putting forward

2019 PLoS ONE

14. Integration of Error Compensation of Coordinate Measuring Machines into Feature Measurement: Part II—Experimental Implementation Full Text available with Trip Pro

Integration of Error Compensation of Coordinate Measuring Machines into Feature Measurement: Part II—Experimental Implementation Coordinate measuring machines (CMM) are main instruments of measurement in laboratories and in industrial quality control. A compensation error model has been formulated (Part I). It integrates error and uncertainty in the feature measurement model. Experimental implementation for the verification of this model is carried out based on the direct testing on a moving (...) and compared with alternative methods of estimation. The overall performance of the model is endorsed through experimental verification, as well as the practical use and the model capability to contribute in the improvement of current standard CMM measuring capabilities.

2016 Sensors (Basel, Switzerland)

15. A Laboratory Critical Incident and Error Reporting System for Experimental Biomedicine Full Text available with Trip Pro

A Laboratory Critical Incident and Error Reporting System for Experimental Biomedicine We here propose the implementation of a simple and effective method to enhance the quality of basic and preclinical academic research: critical incident reporting (CIR). CIR has become a standard in clinical medicine but to our knowledge has never been implemented in the context of academic basic research. We provide a simple, free, open-source software tool for implementing a CIR system in research groups (...) , laboratories, or large institutions (LabCIRS). LabCIRS was developed, tested, and implemented in our multidisciplinary and multiprofessional neuroscience research department. It is accepted by all members of the department, has led to the emergence of a mature error culture, and has made the laboratory a safer and more communicative environment. Initial concerns that implementation of such a measure might lead to a "surveillance culture" that would stifle scientific creativity turned out to be unfounded.

2016 PLoS biology

16. A log-likelihood-gain intensity target for crystallographic phasing that accounts for experimental error Full Text available with Trip Pro

A log-likelihood-gain intensity target for crystallographic phasing that accounts for experimental error The crystallographic diffraction experiment measures Bragg intensities; crystallographic electron-density maps and other crystallographic calculations in phasing require structure-factor amplitudes. If data were measured with no errors, the structure-factor amplitudes would be trivially proportional to the square roots of the intensities. When the experimental errors are large (...) , and especially when random errors yield negative net intensities, the conversion of intensities and their error estimates into amplitudes and associated error estimates becomes nontrivial. Although this problem has been addressed intermittently in the history of crystallographic phasing, current approaches to accounting for experimental errors in macromolecular crystallography have numerous significant defects. These have been addressed with the formulation of LLGI, a log-likelihood-gain function in terms

2016 Acta Crystallographica. Section D, Structural Biology

17. Error Analysis and Experimental Study of a Bi-Planar Parallel Mechanism in a Pedicle Screw Robot System Full Text available with Trip Pro

Error Analysis and Experimental Study of a Bi-Planar Parallel Mechanism in a Pedicle Screw Robot System Due to the urgent need for high precision surgical equipment for minimally invasive spinal surgery, a novel robot-assistant system was developed for the accurate placement of pedicle screws in lumbar spinal surgeries. The structure of the robot was based on a macro-micro mechanism, which includes a serial mechanism (macro part) and a bi-planar 5R parallel mechanism (micro part). The macro (...) calculated. The amount of the transfer errors was quantitatively analyzed by the simulation. Experimental tests show that the error of the bi-planar 5R mechanism can be controlled no more than 1 mm for translation and 1° for rotation, which satisfies the required absolute position accuracy of the robot.

2016 Sensors (Basel, Switzerland)

18. Can Infinitival to Omissions and Provisions Be Primed? An Experimental Investigation Into the Role of Constructional Competition in Infinitival to Omission Errors Full Text available with Trip Pro

Can Infinitival to Omissions and Provisions Be Primed? An Experimental Investigation Into the Role of Constructional Competition in Infinitival to Omission Errors An experimental study was conducted on children aged 2;6-3;0 and 3;6-4;0 investigating the priming effect of two WANT-constructions to establish whether constructional competition contributes to English-speaking children's infinitival to omission errors (e.g., *I want ___ jump now). In two between-participant groups, children either

2016 Cognitive science

19. A debug scheme to improve the error identification in post-silicon validation. Full Text available with Trip Pro

from the results of the high-level MISR. The experimental results prove that the proposed debug structure can significantly improve the error identification capability using less debug data than that used in previous debug structure. (...) A debug scheme to improve the error identification in post-silicon validation. While developing semiconductors, post-silicon validation is an important step to identify the errors that are not detected during the pre-silicon verification and manufacturing testing phases. When the design complexity increases, the required debug time also increases because additional debug data are required to identify the errors. In this study, we present a debug scheme that improves the error identification

2018 PLoS ONE

20. Errors in protein synthesis increase the level of saturated fatty acids and affect the overall lipid profiles of yeast. Full Text available with Trip Pro

Errors in protein synthesis increase the level of saturated fatty acids and affect the overall lipid profiles of yeast. The occurrence of protein synthesis errors (mistranslation) above the typical mean mistranslation level of 10-4 is mostly deleterious to yeast, zebrafish and mammal cells. Previous yeast studies have shown that mistranslation affects fitness and deregulates genes related to lipid metabolism, but there is no experimental proof that such errors alter yeast lipid profiles. We

2018 PLoS ONE

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