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"Allen, James H"
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Mechanics of materials for dummies
Provides plain-English explanations of all the topics you'll encounter in a typical undergraduate course, including principles of equilibrium, geometric compatibility, and material behavior; stress and its relation to force and movement; strain and its relation to displacement; and methods for calculating deformations and indeterminate systems.
Book
Post-Operative Analgesia Following Total Knee Arthroplasty: A Randomized Controlled Trial Comparing Regional Techniques
Regional anaesthetic techniques for the management of post-operative pain following total knee arthroplasty (TKA) are becoming increasingly popular. The purpose of this randomized control trial was to assess whether periarticular infiltration and infusion (LIA and infusion) had a comparable time-to-discharge and analgesic quality to a motor-sparing nerve block (MSNB) technique in patients who have undergone TKA. The study arms included continuous MSNB (n=35, control) and LIA and infusion (n=35, experimental). Continuous anaesthetic infusion of 0.2% Ropivacaine was delivered at a rate of 8ml/hr post-operatively. The primary outcome was time to discharge. Secondary objectives included pain scores at rest and activity, narcotic consumption, patient satisfaction and functional outcomes. Preliminary analysis of 54 patients (MSNB n=29, LIA and infusion n=25) was performed. No significant differences in outcome measures were demonstrated between groups. Based on these early findings, LIA and infusion provides similar clinical and functional outcomes to MSNB following primary TKA.
Dissertation
Assessment of Student Learning in Undergraduate Engineering Courses Using Quizzes In Lieu of Homework
The paper is an Evidence-Based Practice Paper that presents the justification and challenges of a group of instructors in a mechanical and civil engineering program at the University of Evansville, located in Evansville, IN. During a multi-year study in undergraduate engineering courses, the effectiveness of daily homework assignments is investigated and a comparison of an alternative “quiz only” approach is made for undergraduate basic mechanics and pre-engineering classes including statics and dynamics. Results of a course offering a hybrid quiz and homework approach are then explored. Effective teachers continue to search for evidence that the topics they teach are being easily received and clearly processed by their students. In recent years, as student behaviors have changed and access to information has become more mainstream, teachers are faced with new challenges to classical learning techniques. Educators at engineering universities across the United States have employed a variety of different ideas related to homework and quizzes in their attempts to improve student learning. A specific comparison of cohort groups that have progressed through basic engineering classes such as statics and dynamics into upper-level major specific classes such as soil mechanics are also presented. Several cohorts starting as freshmen in statics and progressing through upper-level design classes provide a broad overview of the impact of this teaching pedagogy. Comparisons and correlations for each of these approaches are made to their corresponding in-class exams. Potential improvements as well as current limitations to this study are then revealed.
Conference Proceeding
Regulation of cra, a regulatory gene of glycolytic and gluconeogenic pathways in Salmonella enterica serovar Typhimurium
The Cra protein is a global regulator of carbon and energy metabolism for glycolysis and gluconeogenesis. The live oral vaccine candidate, Salmonella typhimurium SR-11 Fad−, is unable to utilize gluconeogenic substrates as sole carbon sources and is avirulent and protective in BALB/c mice. Furthermore, the cra gene is interrupted in this strain of Salmonella. The cra gene was suspected to be regulated by another global regulator, acetyl phosphate. To further investigate the regulation of the cra gene and to determine if gluconeogenesis is linked to virulence, mutations in the gluconeogenic genes fbp (fructose-1,6-bisphosphatase), maeB (NADP-dependent malic enzyme), and sfcA (NAD-dependent malic enzyme) were constructed in S. typhimurium SR-11. A mutation in the pta (phosphotransacetylase) gene was also constructed to interrupt acetyl phosphate synthesis. Virulence assays in BALB/c mice were performed with these mutant strains. A cra promoter- lacZ transcriptional fusion was also inserted into the chromosome of these mutant strains to assay for the cra promoter activity during growth on various glycolysic and gluconeogenic substrates. The SR-11 fbp−, SR-11 maeB−, SR-11 sfcA− mutant strains were virulent in BALB/c mice, whereas the pta mutant strain was avirulent. The mutation in the maeB gene slightly down-regulated the cra promoter activity when grown on either gluconeogenic or glycolysic substrates versus the SR-11 cradl craz integrant control strain. A mutation in either the sfcA gene or the pta gene significantly (P = 0.05) up-regulated the cra promoter activity for growth on both gluconeogenic and glycolysic substrates versus the control strain. This up-regulation of cra promoter activity, combined with their virulence in BALB/c mice, suggest that the sfcA-encoded NAD-dependent malic enzyme and acetyl phosphate act in concert as a repressor of the cra gene. It also appears that the cra gene may be subject to regulation by multiple regulatory proteins or multiple forms of regulation.
Dissertation
Pediatric Pulmonology, Asthma, and Sleep Medicine : A Quick Reference Guide
Obtain practice-focused guidance on the diagnosis, evaluation, and treatment of the most commonly encountered pediatric respiratory conditions, asthma-related difficulties, and sleep disorders. Starting with the signs, symptoms, and conditions most commonly encountered in primary pulmonary care, the book provides advice for appropriate testing, treatment plans, and common complications for which to watch. Topics include: Evaluation of Children With Respiratory Disease Anatomic Disorders and Congenital Anomalies of the Airway, Lungs, Pulmonary Vessels, and Chest Wall Asthma and Related Conditions Infections of the Respiratory Tract Genetic Respiratory Diseases Pediatric Sleep Medicine Pediatric Respiratory Care Miscellaneous Respiratory Diseases Respiratory Disease in Association With Other Systemic Diseases Special expanded sections on asthma, sleep medicine, and respiratory care provide non-specialists with the knowledge needed to effectively treat these often-complicated conditions. Each chapter is presented in a concise, bulleted format with tables and figures that make it easy to locate key information. Also included is direction on when to refer patients who require the care of a pulmonary specialist.
eBook
GE Appliances and Godrej Boyce Mfg. announce formation of joint venture
Godrej & Boyce Mfg. Co. Ltd. and GE Appliances announced the formation of a joint venture -- Godrej-GE Appliances Limited. The alliance will develop, manufacture, market and sell a full line of major appliances for the Indian market as well as for export to markets in the Near East and Asia. Initially refrigerators will be produced by the new joint venture. Richard Stonesifer, CEO and president of GE Appliances, commented, \"With such a strong partner, this is an excellent opportunity for us to continue the globalization of GE's appliance business.\" Jamshyd Godrej, managing director, commented, \"This will be a notable epoch in the history of our company, GE (USA) is one of the world leaders in the appliances business.\" (excerpt)
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