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https://www.readbyqxmd.com/read/28821121/reductive-mineralization-of-cellulose-with-vanadium-iron-and-tungsten-chlorides-and-access-to-mxoy-metal-oxides-and-mxoy-c-metal-oxide-carbon-composites
#1
Aurélien Henry, Peter Hesemann, Johan G Alauzun, Bruno Boury
MxOy and MxOy/C composites (M=V, Fe and W) were obtained by mineralization of cellulose with several metal chlorides. Cellulose was used both as a templating agent and as an oxygen and a carbon source. Soluble chloride molecules (VOCl3 and WCl6) and a poorly soluble ionic chloride compound (FeCl3) were chosen as metal oxide precursors. In a first time, primary metal oxide/cellulose composites were obtained via a thermal treatment by reacting urea impregnated filter paper with the corresponding metal chlorides in an autoclave at 150°C after 3days...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28820972/fluorescent-pseudorotaxanes-of-a-quinodicarbocyanine-dye-with-gamma-cyclodextrin
#2
Olivia M Bernstein, Tiffany E McGee, Lisa E Silzel, John W Silzel
Spectrophotometric titration of buffered solutions of gamma cyclodextrin (γCD) and 1,1'-diethyl,2,2'-dicarbocyanine (DDI) demonstrates extension of the known 1:2 host:guest complex to form a previously unreported 2:2 complex near the γCD solubility limit. Though DDI is predominantly hosted as a non-fluorescent H-aggregate, both complexes exist in respective equilibria with two secondary complexes hosting unaggregated DDI as 1:1 and 2:1 complexes. The 2:1 complex exhibits significant fluorescence emission, with a quantum yield six times that of DDI in organic solvents, but ten times lower than that of an analogous indodicarbocyanine...
August 3, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28820896/a-strategy-for-scaling-up-access-to-comprehensive-care-in-adults-with-chagas-disease-in-endemic-countries-the-bolivian-chagas-platform
#3
Maria-Jesus Pinazo, Jimy Pinto, Lourdes Ortiz, Jareth Sánchez, Wilson García, Ruth Saravia, Mirko-R Cortez, Silvia Moriana, Enric Grau, Daniel Lozano, Joaquim Gascon, Faustino Torrico
BACKGROUND: Bolivia has the highest prevalence of Chagas disease (CD) in the world (6.1%), with more than 607,186 people with Trypanosoma cruzi infection, most of them adults. In Bolivia CD has been declared a national priority. In 2009, the Chagas National Program (ChNP) had neither a protocol nor a clear directive for diagnosis and treatment of adults. Although programs had been implemented for congenital transmission and for acute cases, adults remained uncovered. Moreover, health professionals were not aware of treatment recommendations aimed at this population, and research on CD was limited; it was difficult to increase awareness of the disease, understand the challenges it presented, and adapt strategies to cope with it...
August 18, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28820892/maternal-autoimmune-antibodies-alter-the-dendritic-arbor-and-spine-numbers-in-the-infragranular-layers-of-the-cortex
#4
Jeanelle Ariza, Jesus Hurtado, Haille Rogers, Raymond Ikeda, Michael Dill, Craig Steward, Donnay Creary, Judy Van de Water, Verónica Martínez-Cerdeño
An association between maternal IgG antibodies reactive against proteins in fetal brain and an outcome of autism in the child has been identified. Using a mouse model of prenatal intraventricular administration of autism-specific maternal IgG, we demonstrated that these antibodies produce behavioral alterations similar to those in children with ASD. We previously demonstrated that these antibodies bind to radial glial stem cells (RG) and observed an increase in the number of divisions of translocating RG in the developing cortex...
2017: PloS One
https://www.readbyqxmd.com/read/28820847/effectiveness-of-a-16-week-high-intensity-cardioresistance-training-program-in-adults
#5
Tina A Greenlee, Daniel R Greene, Nathan J Ward, Ginger E Reeser, Courtney M Allen, Nicholas W Baumgartner, Neal J Cohen, Arthur F Kramer, Charles H Hillman, Aron K Barbey
Greenlee, TA, Greene, DR, Ward, NJ, Reeser, GE, Allen, CM, Baumgartner, NW, Cohen, NJ, Kramer, AF, Hillman, CH, and Barbey, AK. Effectiveness of a 16-week high-intensity cardioresistance training program in adults. J Strength Cond Res 31(9): 2528-2541, 2017-The purpose of this study was to determine the efficacy of a novel, 16-week high-intensity cardioresistance training (HICRT) program on measures of aerobic fitness, agility, aerobic power, muscular endurance, lower-body explosive power, and self-reported activity level...
September 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28820786/models-of-care-delivery-for-patients-with-parkinson-disease-living-in-rural-areas
#6
Kristin A Schuller, Brooke Vaughan, Ian Wright
The elderly who suffer from chronic conditions have an increasingly difficult time accessing health care in rural areas compared with their healthy counterparts who seek and utilize less specialty care. Parkinson disease affects approximately 0.3% to 5% of the elderly population. However, a large portion of that population has difficulty accessing health care. The purpose of this study was to obtain an understanding of the access to care issues for patients with Parkinson disease and review solutions to aid their provision of care...
October 2017: Family & Community Health
https://www.readbyqxmd.com/read/28820756/telmesani-radiological-classification-of-the-location-of-the-vertical-segment-of-the-facial-nerve-impact-on-surgical-approach-in-cochlear-implant-surgery
#7
Laila Mohammed Telmesani, Mona Khalid Alrammah
OBJECTIVE: This study was conducted to establish a radiological classification of the location of the vertical segment of the facial nerve (VSFN) and to see if this has implications on the surgical technique needed to access the round window niche (RWN) in cochlear implant (CI) surgery. STUDY DESIGN: Observational case series study. SETTING: Tertiary referral center. PATIENTS: One hundred twenty seven patients underwent CI surgery, and high resolution computed tomography (HRCT) of 140 temporal bones was studied...
August 17, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28820754/sleep-apps-what-role-do-they-play-in-clinical-medicine
#8
Christopher P Lorenz, Adrian J Williams
PURPOSE OF REVIEW: Today's smartphones boast more computing power than the Apollo Guidance Computer. Given the ubiquity and popularity of smartphones, are we already carrying around miniaturized sleep labs in our pockets? RECENT FINDINGS: There is still a lack of validation studies for consumer sleep technologies in general and apps for monitoring sleep in particular. To overcome this gap, multidisciplinary teams are needed that focus on feasibility work at the intersection of software engineering, data science and clinical sleep medicine...
August 17, 2017: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/28820751/importance-of-pcr-based-tumor-testing-in-the-evaluation-of-lynch-syndrome-associated-endometrial-cancer
#9
Amanda S Bruegl, Annessa Kernberg, Russell R Broaddus
Lynch syndrome (LS) is a hereditary cancer syndrome caused by a germline mutation in a DNA mismatch repair gene, usually MLH1, MSH2, MSH6, or PMS2. The most common cancers associated with LS are colorectal adenocarcinoma and endometrial carcinoma. Identification of women with LS-associated endometrial cancer is important, as these women and their affected siblings and children are at-risk of developing these same cancers. Germline testing of all endometrial cancer patients is not cost effective, and screening using young age of cancer diagnosis and/or presence of family history of syndrome-associated is underutilized and ineffective...
August 17, 2017: Advances in Anatomic Pathology
https://www.readbyqxmd.com/read/28820726/barriers-to-treatment-access-for-chronic-hepatitis-c-virus-infection-a-case-series
#10
Alexander J Millman, Boatemaa Ntiri-Reid, Risha Irvin, Maggie H Kaufmann, Andrew Aronsohn, Jeffrey S Duchin, John D Scott, Claudia Vellozzi
Restrictive policies on access to new, curative hepatitis C treatments represent a substantial barrier to treating patients infected with hepatitis C. This case series demonstrates challenges experienced by patients and practitioners in accessing these treatments and highlights several strategies for navigating the treatment preauthorization process.
July 2017: Topics in Antiviral Medicine
https://www.readbyqxmd.com/read/28820718/water-sanitation-and-hygiene-in-rural-health-care-facilities-a-cross-sectional-study-in-ethiopia-kenya-mozambique-rwanda-uganda-and-zambia
#11
Amy Guo, J Michael Bowling, Jamie Bartram, Georgia Kayser
Safe and sufficient water, sanitation, and hygiene (WaSH) prevent the spread of disease in health-care facilities (HCFs). Little research has been conducted on WaSH in HCF in sub-Saharan Africa. We carried out a cross-sectional study of WaSH in 1,318 randomly selected rural HCF (hospitals, health centers, health posts, and clinics) in regions throughout Ethiopia, Kenya, Mozambique, Rwanda, Uganda, and Zambia. Methods included questionnaires with head doctors and nurses to document WaSH access, continuity, quality, quantity and reliability, and analysis of drinking water samples for Escherichia coli...
July 31, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28820648/natural-bioactive-food-components-for-improving-enteral-tube-feeding-tolerance-in-adult-patient-populations
#12
Adam J Kuchnia, Beth Conlon, Norman Greenberg
Tube feeding (TF) is the most common form of nutrition support. In recent years, TF administration has increased among patient populations within and outside hospital settings, in part due to greater insurance coverage, reduced use of parenteral nutrition, and improved formularies suitable for sole source nutrition. With increasing life expectancy and improved access to TFs, the number of adults dependent on enteral nutrition is expected to grow. However, enteral TF intolerance (ETFI) is the most common complication of TFs, typically presenting with at least 1 adverse gastrointestinal event, including nausea, diarrhea, and constipation...
August 1, 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28820620/care-providers-integration-of-family-requests-in-end-of-life-communication-understanding-what-to-do-and-why-to-do-it
#13
Paula Hopeck
End-of-life situations are fraught with challenges for patients, family members, and individuals working at the patient's bedside. Care workers must address needs of the patient, as well as his or her distressed family members. This article is an inductive investigation of care workers' (nurses, patient advocates, and clergy) experiences with end-of-life discussions when the family asks to "do everything." Participants also noted resistance to hospice in some of these encounters based on pre-existing connotations of hospice held by the family members...
August 18, 2017: Health Communication
https://www.readbyqxmd.com/read/28820600/magnesiate-addition-ring-expansion-strategy-to-access-the-6-7-6-tricyclic-core-of-hetisine-type-c20-diterpenoid-alkaloids
#14
Jason J Pflueger, Louis C Morrill, Justine N deGruyter, Melecio A Perea, Richmond Sarpong
A synthetic strategy to access the fused 6-7-6 tricyclic core of hetisine-type C20-diterpenoid alkaloids is reported. This strategy employs a Diels-Alder cycloaddition to assemble a fused bicyclic anhydride intermediate, which is elaborated to a vinyl lactone-acetal bearing an aromatic ring in five steps. Aromatic iodination is followed by magnesium-halogen exchange with a trialkyl magnesiate species, which undergoes intramolecular cyclization. Subsequent oxidation provides the desired 6-7-6 tricyclic diketoaldehyde, with carbonyl groups at all three positions for eventual C-N bond formation and subsequent elaboration...
August 18, 2017: Organic Letters
https://www.readbyqxmd.com/read/28820571/comparison-of-spreading-depolarizations-in-the-motor-cortex-and-nucleus-accumbens-similar-patterns-of-oxygen-responses-and-the-role-of-dopamine
#15
Caddy Noahl Hobbs, Gordon Holzberg, Akira S Min, R Mark Wightman
Spreading depolarizations (SD) are pathophysiological phenomena that spontaneously arise in traumatized neural tissue and can promote cellular death. Most investigations of SD are performed in the cortex, a brain region that is susceptible to these depolarizing waves and accessible via a variety of monitoring techniques. Here, we describe SD responses in the cortex and the deep brain region of the nucleus accumbens (NAc) of the anesthetized rat with a minimally invasive, implantable sensor. With high temporal resolution, we characterize the time course of oxygen responses to SD in relation to the electrophysiological depolarization signal...
August 18, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28820564/telepharmacy-rules-and-statutes-a-50-state-survey
#16
George Tzanetakos, Fred Ullrich, Keith Meuller
Purpose and Introduction. The purpose of this policy brief is to identify rules and laws enacted by states authorizing the use of community telepharmacy initiatives within their respective jurisdictions. Though telepharmacy exists in several forms, telepharmacy in this brief is defined as the delivery of pharmaceutical care to outpatients at a distance through the use of telecommunication and other advanced technologies. Pharmaceutical care includes, but is not limited to, drug review and monitoring, dispensing of medications, medication therapy management, and patient counseling...
April 2017: Rural Policy Brief
https://www.readbyqxmd.com/read/28820553/is-transcatheter-tricuspid-valve-in-valve-implantation-feasible-in-the-presence-of-right-atrial-thrombus
#17
Jan Henzel, Zofia Dzielińska, Marek Konka, Maciej Dąbrowski, Marcin Protasiewicz, Adam Witkowski, Marcin Demkow
The case is reported of a successful transcatheter implantation of an Edwards SAPIEN 3 valve (29 mm) into a failing tricuspid bioprosthesis (Sorin Pericarbon, 31 mm). The procedure was performed in a 69-year-old woman with post-rheumatic mitral and tricuspid valve disease. Multiple previous cardiac surgeries precluded the use of another surgical approach. A large, organized, two-piece thrombus in the enlarged right atrium was not considered an absolute contraindication to the procedure. The SAPIEN 3 valve was implanted under general anesthesia, via a femoral venous access, under three-dimensional transesophageal echocardiography guidance...
March 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28820540/endoscopic-port-access-surgery-for-late-orthotopic-cardiac-transplantation-atrioventricular-valve-disease
#18
Johan van der Merwe, Filip Casselman, Bernard Stockman, Yvette Vermeulen, Ivan Degrieck, Frank Van Praet
BACKGROUND: The study aim was to present details of the perioperative and long-term outcomes of redo-endoscopic port access surgery (REPAS) for late atrioventricular valve disease (AVVD) in orthotopic cardiac transplant (OCT) patients. METHODS: Between February 2004 and October 2015, REPAS was performed for late AVVD in seven consecutive OCT patients (mean age 57.9 ± 17.2 years; EuroSCORE II 21.2 ± 14.7%) at the authors' institution. The mean OCT-REPAS time interval was 7...
March 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28820454/personal-hygiene-practices-among-urban-homeless-persons-in-boston-ma
#19
Jessica H Leibler, Daniel D Nguyen, Casey León, Jessie M Gaeta, Debora Perez
Persons experiencing homelessness in the United States experience significant barriers to self-care and personal hygiene, including limited access to clean showers, laundry and hand washing facilities. While the obstacles to personal hygiene associated with homelessness may increase risk of infectious disease, hygiene-related behaviors among people experiencing homelessness has received limited attention. We conducted a cross-sectional study of individuals experiencing homelessness in Boston, MA (n = 194) to identify hygiene-related self-care practices and risk factors for reduced hygiene in this population...
August 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28820446/towards-scalable-strain-gauge-based-joint-torque-sensors
#20
Hamza Khan, Mariapaola D'Imperio, Ferdinando Cannella, Darwin G Caldwell, Alfred Cuschieri, Claudio Semini
During recent decades, strain gauge-based joint torque sensors have been commonly used to provide high-fidelity torque measurements in robotics. Although measurement of joint torque/force is often required in engineering research and development, the gluing and wiring of strain gauges used as torque sensors pose difficulties during integration within the restricted space available in small joints. The problem is compounded by the need for a scalable geometric design to measure joint torque. In this communication, we describe a novel design of a strain gauge-based mono-axial torque sensor referred to as square-cut torque sensor (SCTS), the significant features of which are high degree of linearity, symmetry, and high scalability in terms of both size and measuring range...
August 18, 2017: Sensors
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