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https://www.readbyqxmd.com/read/28239976/high-speed-maldi-ms-ms-imaging-mass-spectrometry-using-continuous-raster-sampling
#1
Boone M Prentice, Chad W Chumbley, Richard M Caprioli
No abstract text is available yet for this article.
August 2016: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/28238171/using-a-relative-health-indicator-rhi-metric-to-estimate-health-risk-reductions-in-drinking-water
#2
Katherine A Alfredo, Chad Seidel, Amlan Ghosh, J Alan Roberson
When a new drinking water regulation is being developed, the USEPA conducts a health risk reduction and cost analysis to, in part, estimate quantifiable and non-quantifiable cost and benefits of the various regulatory alternatives. Numerous methodologies are available for cumulative risk assessment ranging from primarily qualitative to primarily quantitative. This research developed a summary metric of relative cumulative health impacts resulting from drinking water, the relative health indicator (RHI). An intermediate level of quantification and modeling was chosen, one which retains the concept of an aggregated metric of public health impact and hence allows for comparisons to be made across "cups of water," but avoids the need for development and use of complex models that are beyond the existing state of the science...
March 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28231567/innate-lung-defense-during-invasive-aspergillosis-new-mechanisms
#3
Jaleesa M Garth, Chad Steele
Invasive aspergillosis (IA) is one of the most difficult to treat and, consequently, one of the most lethal fungal infections known to man. Continued use of immunosuppressive agents during chemotherapy and organ transplantation often leads to the development of neutropenia, the primary risk factor for IA. However, IA is also becoming more appreciated in chronic diseases associated with corticosteroid therapy. The innate immune response to Aspergillus fumigatus, the primary agent in IA, plays a pivotal role in the recognition and elimination of organisms from the pulmonary system...
February 24, 2017: Journal of Innate Immunity
https://www.readbyqxmd.com/read/28228372/progress-in-the-enhanced-use-of-electronic-medical-records-data-from-the-ontario-experience
#4
Mavis Jones, Chad Koziel, Darren Larsen, Plumaletta Berry, Elena Kubatka-Willms
BACKGROUND: This paper describes a change management strategy, including a self-assessment survey tool and electronic medical record (EMR) maturity model (EMM), developed to support the adoption and implementation of EMRs among community-based physicians in the province of Ontario, Canada. OBJECTIVE: The aim of our study was to present an analysis of progress in EMR use in the province of Ontario based on data from surveys completed by over 4000 EMR users. METHODS: The EMM and the EMR progress report (EPR) survey tool clarify levels of capability and expected benefits of improved use...
February 22, 2017: JMIR Medical Informatics
https://www.readbyqxmd.com/read/28228090/cardioprotective-utility-of-urocortin-in-myocardial-ischemia-reperfusion-injury-where-do-we-stand
#5
Craig Basman, Pratik Agrawal, Richard Knight, Louis Saravolatz, Chad McRee, Carol Chen-Scarabelli, Jagat Narula, Tiziano Scarabelli
There has been a constant pursuit for development of newer therapies which can contribute to the relatively nascent field of cardioprotection in the setting of myocardial ischemia-reperfusion injury. One novel cardioprotective agent among others, that has shown promising results in the limited number of research studies undertaken till now, is Urocortin. Urocortins are peptides belonging to the Corticotropin-Releasing Hormone family. Acting through a variety of downstream mechanisms, urocortin has been shown to alter cellular metabolism and modulate the mechanism of cell death occurring as a result of ischemia-reperfusion injury...
February 22, 2017: Current Molecular Pharmacology
https://www.readbyqxmd.com/read/28227509/development-of-a-brain-monitoring-system-for-multimodality-investigation-in-awake-rats
#6
Kanokwan Limnuson, Raj K Narayan, Amrit Chiluwal, Chad Bouton, Ping Wang, Chunyan Li, Kanokwan Limnuson, Raj K Narayan, Amrit Chiluwal, Chad Bouton, Ping Wang, Chunyan Li, Chunyan Li, Ping Wang, Kanokwan Limnuson, Amrit Chiluwal, Raj K Narayan, Chad Bouton
Multimodal brain monitoring is an important approach to gain insight into brain function, modulation, and pathology. We have developed a unique micromachined neural probe capable of real-time continuous monitoring of multiple physiological, biochemical and electrophysiological variables. However, to date, it has only been used in anesthetized animals due to a lack of an appropriate interface for awake animals. We have developed a versatile headstage for recording the small neural signal and bridging the sensors to the remote sensing units for multimodal brain monitoring in awake rats...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227170/big-data-challenges-in-decoding-cortical-activity-in-a-human-with-quadriplegia-to-inform-a-brain-computer-interface
#7
David A Friedenberg, Chad E Bouton, Nicholas V Annetta, Nicholas Skomrock, Mingming Zhang, Michael Schwemmer, Marcia A Bockbrader, W Jerry Mysiw, Ali R Rezai, Herbert S Bresler, Gaurav Sharma, David A Friedenberg, Chad E Bouton, Nicholas V Annetta, Nicholas Skomrock, Mingming Zhang, Michael Schwemmer, Marcia A Bockbrader, W Jerry Mysiw, Ali R Rezai, Herbert S Bresler, Gaurav Sharma, Nicholas Skomrock, David A Friedenberg, Marcia A Bockbrader, Chad E Bouton, Ali R Rezai, Mingming Zhang, Herbert S Bresler, Gaurav Sharma, W Jerry Mysiw, Nicholas V Annetta, Michael Schwemmer
Recent advances in Brain Computer Interfaces (BCIs) have created hope that one day paralyzed patients will be able to regain control of their paralyzed limbs. As part of an ongoing clinical study, we have implanted a 96-electrode Utah array in the motor cortex of a paralyzed human. The array generates almost 3 million data points from the brain every second. This presents several big data challenges towards developing algorithms that should not only process the data in real-time (for the BCI to be responsive) but are also robust to temporal variations and non-stationarities in the sensor data...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226678/hip-segmentation-from-mri-volumes-in-infants-for-ddh-diagnosis-and-treatment-planning
#8
Abhilash Rakkunedeth Hareendranathan, Dornoosh Zonoobi, Myles Mabee, Chad Diederichs, Kumaradevan Punithakumar, Michelle Noga, Jacob L Jaremko, Abhilash Rakkunedeth Hareendranathan, Dornoosh Zonoobi, Myles Mabee, Chad Diederichs, Kumaradevan Punithakumar, Michelle Noga, Jacob L Jaremko, Jacob L Jaremko, Myles Mabee, Dornoosh Zonoobi, Michelle Noga, Chad Diederichs, Kumaradevan Punithakumar, Abhilash Rakkunedeth Hareendranathan
Diagnosis and surgical management of Developmental Dysplasia of the Hip (DDH) relies on physical examination and 2D ultrasound scanning. Magnetic Resonance Imaging (MRI) can be used to complement existing techniques and could be advantageous in treatment planning due to its larger field of view. In this paper we propose a semi-automatic method to segment surface models of the acetabulum from MRI images. The method incorporates clinical knowledge in the form of intensity priors which are integrated into a Random Walker (RW) formulation...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225803/bacterial-expression-correct-membrane-targeting-and-functional-folding-of-the-hiv-1-membrane-protein-vpu-using-a-periplasmic-signal-peptide
#9
Arpan Deb, William A Johnson, Alexander P Kline, Boston J Scott, Lydia R Meador, Dustin Srinivas, Jose M Martin-Garcia, Katerina Dörner, Chad R Borges, Rajeev Misra, Brenda G Hogue, Petra Fromme, Tsafrir S Mor
Viral protein U (Vpu) is a type-III integral membrane protein encoded by Human Immunodeficiency Virus-1 (HIV- 1). It is expressed in infected host cells and plays several roles in viral progeny escape from infected cells, including down-regulation of CD4 receptors. But key structure/function questions remain regarding the mechanisms by which the Vpu protein contributes to HIV-1 pathogenesis. Here we describe expression of Vpu in bacteria, its purification and characterization. We report the successful expression of PelB-Vpu in Escherichia coli using the leader peptide pectate lyase B (PelB) from Erwinia carotovora...
2017: PloS One
https://www.readbyqxmd.com/read/28225450/behavioral-economic-incentives-to-improve-adherence-to-antiretroviral-medication
#10
Sebastian Linnemayr, Chad Stecher, Barbara Mukasa
OBJECTIVE: Fixed incentives have been largely unsuccessful in improving adherence to antiretroviral medication. Therefore, we evaluate whether small incentives based on behavioral economic theory can increase adherence to antiretroviral medication among treatment-mature adults in Kampala, Uganda. DESIGN: A randomized control trial design tests whether providing small incentives based on either attending timely clinic visits (intervention group 1) or achieving high medication adherence (intervention group 2) can increase antiretroviral adherence...
March 13, 2017: AIDS
https://www.readbyqxmd.com/read/28222840/assessment-of-acute-kidney-injury-and-renal-fibrosis-after-renal-ischemia-protocols-in-cats
#11
Vanna M Dickerson, Daniel R Rissi, Cathy A Brown, Scott A Brown, Chad W Schmiedt
In an attempt to identify a feline model of acute or chronic kidney disease, this study was designed to evaluate the effects of 15 or 30 min of bilateral renal ischemia (RI) and 60 min of unilateral RI with delayed contralateral nephrectomy as models of acute kidney injury and chronic interstitial fibrosis in cats. Adult, purpose-bred, USDA Class A cats (n = 14) were randomly assigned to receive bilateral RI for 15 min (n = 3) or 30 min (n = 3), unilateral RI for 60 min with a delayed (2 wk) contralateral nephrectomy (n = 5), or sham unilateral RI with a delayed contralateral nephrectomy (n = 3)...
February 1, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28222359/disgust-proneness-predicts-obsessive-compulsive-disorder-symptom-severity-in-a-clinical-sample-of-youth-distinctions-from-negative-affect
#12
Bunmi O Olatunji, Chad Ebesutani, Jingu Kim, Bradley C Riemann, David M Jacobi
BACKGROUND: Although studies have linked disgust proneness to the etiology and maintenance of obsessive-compulsive disorder (OCD) in adults, there remains a paucity of research examining the specificity of this association among youth. METHOD: The present study employed structural equation modeling to examine the association between disgust proneness, negative affect, and OCD symptom severity in a clinical sample of youth admitted to a residential treatment facility (N =471)...
February 14, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28221860/the-head-start-effect-will-acute-and-delayed-postoperative-mortality-lead-to-improved-survival-with-stereotactic-body-radiation-therapy-for-operable-stage-i-non-small-cell-lung-cancer
#13
Chad G Rusthoven, David A Palma, Suresh Senan, Brian D Kavanagh
No abstract text is available yet for this article.
February 21, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28221814/an-amperometric-glucose-sensor-integrated-into-an-insulin-delivery-cannula-in-vitro-and-in-vivo-evaluation
#14
W Kenneth Ward, Gabriel Heinrich, Matthew Breen, Sheila Benware, Nicole Vollum, Kristin Morris, Chad Knutsen, Joseph D Kowalski, Scott Campbell, Jerry Biehler, Mark S Vreeke, Scott M Vanderwerf, Jessica R Castle, Robert S Cargill
BACKGROUND: Labeling prohibits delivery of insulin at the site of subcutaneous continuous glucose monitoring (CGM). Integration of the sensing and insulin delivery functions into a single device would likely increase the usage of CGM in persons with type 1 diabetes. METHODS: To understand the nature of such interference, we measured glucose at the site of bolus insulin delivery in swine using a flexible electrode strip that was laminated to the outer wall of an insulin delivery cannula...
February 21, 2017: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/28219471/a-descriptive-analysis-of-tactical-casualty-care-interventions-performed-by-law-enforcement-personnel-in-the-state-of-wisconsin-2010-2015
#15
Chad M Stiles, Christopher Cook, Matthew D Sztajnkrycer
: Introduction Based upon military experience, law enforcement has developed guidelines for medical care during high-threat conditions. The purpose of the current study was to provide a descriptive analysis of reported outcomes of law enforcement medical interventions. METHODS: This was a descriptive analysis of a convenience sample of cases submitted to the Wisconsin Tactical Medicine Initiative (Wisconsin USA), after the provision of successful patient care, between January 2010 and December 2015...
February 21, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28218646/impact-of-consuming-toxic-monarch-caterpillars-on-adult-chinese-mantid-mass-gain-and-fecundity
#16
Jamie L Rafter, Liahna Gonda-King, Daniel Niesen, Navindra P Seeram, Chad M Rigsby, Evan L Preisser
Predators that feed on chemically-defended prey often experience non-lethal effects that result in learned avoidance of the prey species. Some predators are able to consume toxic prey without ill-effect. The Chinese mantid is able to consume cardenolide-containing monarch caterpillars without immediate adverse effects. Although they discard the caterpillars' gut contents, mantids consume sequestered cardenolides. Although consumption of these cardenolides does not elicit an acute response, there may be long-term costs associated with cardenolide consumption...
February 17, 2017: Insects
https://www.readbyqxmd.com/read/28217711/source-attribution-of-poly-and-perfluoroalkyl-substances-pfass-in-surface-waters-from-rhode-island-and-the-new-york-metropolitan-area
#17
Xianming Zhang, Rainer Lohmann, Clifton Dassuncao, Xindi C Hu, Andrea K Weber, Chad D Vecitis, Elsie M Sunderland
Exposure to poly and perfluoroalkyl substances (PFASs) has been associated with adverse health effects in humans and wildlife. Understanding pollution sources is essential for environmental regulation but source attribution for PFASs has been confounded by limited information on industrial releases and rapid changes in chemical production. Here we use principal component analysis (PCA), hierarchical clustering, and geospatial analysis to understand source contributions to 14 PFASs measured across 37 sites in the Northeastern United States in 2014...
September 13, 2016: Environmental Science & Technology Letters
https://www.readbyqxmd.com/read/28214784/cross-cultural-relevance-of-the-interpersonal-theory-of-suicide-across-korean-and-u-s-undergraduate-students
#18
Sooyeon Suh, Chad K Ebesutani, Christopher R Hagan, Megan L Rogers, Melanie A Hom, Fallon B Ringer, Rebecca A Bernert, Soohyun Kim, Thomas E Joiner
: This study investigated the cross-cultural relevance and validity of the Interpersonal Theory of Suicide (ITS) utilizing young adult samples from South Korea (n =554) and the United States (U.S.; n =390). To examine the ITS, all participants completed self-report questionnaires measuring Thwarted Belongingness, Perceived Burdensomeness, and Capability for Suicide. We examined whether each construct significantly predicted the severity of suicidal risk in both samples. We also determined whether the strength of the effects of Thwarted Belongingness and Perceived Burdensomeness on suicidal ideation differed between the two samples due to the greater degree of importance placed on interpersonal relationships in collectivistic cultures such as South Korea...
February 3, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28214749/impairment-in-the-mesohippocampal-dopamine-circuit-following-exposure-to-the-brominated-flame-retardant-hbcdd
#19
Camille Pham-Lake, Elizabeth B Aronoff, Chad R Camp, Aimee Vester, Sam J Peters, W Michael Caudle
Many chemicals have been used to increase the safety of consumer products by reducing their flammability and risk for ignition. Recent focus on brominated flame retardants, such as polybrominated diphenyl ethers (PBDEs) has shown them to contribute to neurobehavioral deficits in children, including learning and memory. As the manufacture and use of PBDEs have been reduced, replacement chemicals, such as hexabromocyclododecane (HBCDD) have been substituted. Our current study evaluated the neurotoxicity of HBCDD, concentrating on dopaminergic innervation to the hippocampus...
March 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28214338/sciatic-neuropathy-due-to-popliteal-fossa-nerve-block
#20
Adam Aubuchon, W David Arnold, Anna Bracewell, J Chad Hoyle
INTRODUCTION: Sciatic neuropathy following popliteal nerve block (PNB) for regional anesthesia is considered uncommon but has been increasingly recognized in the literature. We identified a case of sciatic neuropathy that occurred after bunionectomy during which a PNB had been performed. METHODS: To understand the frequency of PNB-related sciatic neuropathy we performed a retrospective review of sciatic neuropathies at our center over a five year period. RESULTS: Forty-five cases of sciatic neuropathy were reviewed...
February 18, 2017: Muscle & Nerve
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