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https://www.readbyqxmd.com/read/29351221/mechanical-structural-design-of-a-mems-based-piezoresistive-accelerometer-for-head-injuries-monitoring-a-computational-analysis-by-increments-of-the-sensor-mass-moment-of-inertia
#1
Marco Messina, James Njuguna, Chrysovalantis Palas
This work focuses on the proof-mass mechanical structural design improvement of a tri-axial piezoresistive accelerometer specifically designed for head injuries monitoring where medium-G impacts are common; for example, in sports such as racing cars or American Football. The device requires the highest sensitivity achievable with a single proof-mass approach, and a very low error (<1%) as the accuracy for these types of applications is paramount. The optimization method differs from previous work as it is based on the progressive increment of the sensor proof-mass mass moment of inertia (MMI) in all three axes...
January 19, 2018: Sensors
https://www.readbyqxmd.com/read/29350971/rating-nasolabial-aesthetics-in-unilateral-cleft-lip-and-palate-patients-cropped-versus-full-face-images
#2
Roderic M F Schwirtz, Frans J Mulder, David G M Mosmuller, Robin A Tan, Thomas J Maal, Charlotte Prahl, Henrica C W de Vet, J Peter W Don Griot
OBJECTIVE: To determine if cropping facial images affects nasolabial aesthetics assessments in unilateral cleft lip patients and to evaluate the effect of facial attractiveness on nasolabial evaluation. DESIGN: Two cleft surgeons and one cleft orthodontist assessed standardized frontal photographs 4 times; nasolabial aesthetics were rated on cropped and full-face images using the Cleft Aesthetic Rating Scale, and total facial attractiveness was rated on full-face images with and without the nasolabial area blurred using a 5-point Likert scale...
January 1, 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29350554/quadriceps-neuromuscular-function-and-jump-landing-sagittal-plane-knee-biomechanics-after-anterior-cruciate-ligament-reconstruction
#3
Sarah H Ward, Troy Blackburn, Darin A Padua, Laura E Stanley, Matthew S Harkey, Brittney A Luc-Harkey, Brian G Pietrosimone
CONTEXT:   Aberrant biomechanics may affect force attenuation at the knee during dynamic activities, potentially increasing the risk of sustaining a knee injury or hastening the development of osteoarthritis after anterior cruciate ligament reconstruction (ACLR). Impaired quadriceps neuromuscular function has been hypothesized to influence the development of aberrant biomechanics. OBJECTIVE:   To determine the association between quadriceps neuromuscular function (strength, voluntary activation, and spinal-reflex and corticomotor excitability) and sagittal-plane knee biomechanics during jump landings in individuals with ACLR...
January 19, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29349374/utilization-of-arterial-grafts-in-foot-replantation
#4
Selami S Sirvan, Daghan Dagdelen, Isil Akgun Demir, Mecd Atif Cezairlioglu, Hasan Basri Sezer, Semra Karsidag
Our subject is a 36-year-old man who presented to the emergency department with bilateral lower extremity amputation at the level of the distal third of the tibia after a car accident. Surgery was planned for below-knee amputation of the right lower extremity and replantation of the left foot. The arteries dissected from the iatrogenically amputated segment were used as grafts to repair vascular gaps during the replantation. The patient's follow-up had been problem free. We concluded that whenever possible, amputated parts unsuitable for replantation should be examined thoroughly and neurovascular structures that might be used as grafts should be preserved...
March 2017: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29348917/refractory-actinomycosis-of-the-humerus
#5
Mariano O Abrego, Franco L De Cicco, Noelia B Montenegro, Jorge G Boretto, Pablo De Carli, Gerardo L Gallucci
Actinomycosis is a chronic, opportunistic infection caused by Actinomyces species, such as Actinomyces bacillus. Actinomycosis in long bones is very rare. To the best of our knowledge, isolated primary actinomycosis of the humerus is rarely reported in literature. We present a rare case of a refractory primary actinomycosis of the humerus. A 66-year-old man with no history of concomitant conditions was admitted to our hospital with a history of a tumour on the distal third of the left arm as a result of a closed trauma without fracture 20 years before...
2018: SAGE Open Medical Case Reports
https://www.readbyqxmd.com/read/29348865/targeting-t-cell-malignancies-using-anti-cd4-car-nk-92-cells
#6
Kevin G Pinz, Elizabeth Yakaboski, Alexander Jares, Hua Liu, Amelia E Firor, Kevin H Chen, Masayuki Wada, Huda Salman, William Tse, Nabil Hagag, Fengshuo Lan, Elaine Lai-Han Leung, Xun Jiang, Yupo Ma
Peripheral T-cell lymphomas (PTCLs) are a group of very aggressive non-Hodgkin's lymphomas (NHLs) with poor prognoses and account for a majority of T-cell malignancies. Overall, the standard of care for patients with T-cell malignancies is poorly established, and there is an urgent clinical need for a new approach. As demonstrated in B-cell malignancies, chimeric antigen receptor (CAR) immunotherapy provides great hope as a curative treatment regimen. Because PTCLs develop from mature T-cells, these NHLs are commonly CD4+, and CD4 is highly and uniformly expressed...
December 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29348296/cart-targeting-of-solid-tumors-more-pieces-to-the-puzzle
#7
Michael Kalos
CART-based targeting of solid tumors remains a considerable and worthwhile challenge in the field of immunotherapy. The role of chemotherapy to target stroma and enhance CAR cell anti-tumor function, expansion and persistence is still unresolved.
January 18, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29347100/correcting-binding-parameters-for-interacting-ligand-lattice-systems
#8
Jordan Hervy, Dominique J Bicout
Binding of ligands to macromolecules is central to many functional and regulatory biological processes. Key parameters characterizing ligand-macromolecule interactions are the stoichiometry, inducing the number of ligands per macromolecule binding site, and the dissociation constant, quantifying the ligand-binding site affinity. Both these parameters can be obtained from analyses of classical saturation experiments using the standard binding equation that offers the great advantage of mathematical simplicity but becomes an approximation for situations of interest when a ligand binds and covers more than one single binding site on the macromolecule...
July 2017: Physical Review. E
https://www.readbyqxmd.com/read/29346301/braf-and-mek-inhibitors-influence-the-function-of-reprogrammed-t-cells-consequences-for-adoptive-t-cell-therapy
#9
Jan Dörrie, Lek Babalija, Stefanie Hoyer, Kerstin F Gerer, Gerold Schuler, Lucie Heinzerling, Niels Schaft
BRAF and MEK inhibitors (BRAFi/MEKi), the standard treatment for patients with BRAFV600 mutated melanoma, are currently explored in combination with various immunotherapies, notably checkpoint inhibitors and adoptive transfer of receptor-transfected T cells. Since two BRAFi/MEKi combinations with similar efficacy are approved, potential differences in their effects on immune cells would enable a rational choice for triple therapies. Therefore, we characterized the influence of the clinically approved BRAFi/MEKi combinations dabrafenib (Dabra) and trametinib (Tram) vs...
January 18, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29344773/beyond-content-cultural-perspectives-on-using-the-internet-to-deliver-a-sexual-health-intervention-to-american-indian-youth
#10
Kirsten J Black, Bradley Morse, Nicole Tuitt, CeCe Big Crow, Carly Shangreau, Carol E Kaufman
American Indian and Alaska Native (AIAN) youth are characterized by high rates of pregnancy and risky sexual behavior. Reaching these youth with culturally appropriate interventions is difficult due to geographic dispersion and cultural isolation. Online interventions can provide opportunities for reaching and engaging AIAN youth. However, electronic interventions are also impersonal and this can be culturally incongruous for AIANs and other populations for whom traditional ceremonies, practices and patterns of interpersonal communication are central...
January 17, 2018: Journal of Primary Prevention
https://www.readbyqxmd.com/read/29344377/major-adverse-cardiac-and-cerebrovascular-event-and-patients-quality-of-life-after-endoscopic-vein-harvesting-as-compared-with-open-vein-harvest-maqeh-a-pilot-study
#11
Heyman Luckraz, Carly Cartwright, Kumaresan Nagarajan, Prabhjeet Kaur, Alan Nevill
Background: This is a prospective, comparative, pilot and follow-up (2-year postoperatively) study in patients undergoing coronary artery bypass graft surgery where the long saphenous vein was harvested either by the endoscopic vein harvest (EVH) technique or open vein harvest (OVH) technique. Quality of life (QOL) and major adverse cardiac and cerebrovascular events (MACCE) were assessed. Methods: Alive patients who were initially part of a pilot study when EVH was introduced in our institution were included (n=48 EVH, n=49 OVH)...
2018: Open Heart
https://www.readbyqxmd.com/read/29344071/acetazolamide-a-new-treatment-for-visual-vertigo
#12
Ilya M Sluch, Michael S Elliott, Justin Dvorak, Kai Ding, Bradley K Farris
Visual vertigo is a disorder characterised by symptoms of dizziness, vertigo, unsteadiness, disorientation, and general discomfort induced by visual triggers. It is currently treated with vestibular rehabilitation therapy, with no effective pharmacotherapy available for treatment-resistant cases. The objective of this study was to evaluate the efficacy of oral acetazolamide in improving symptoms of visual vertigo. A comparative case series of adult patients clinically diagnosed with visual vertigo was conducted from January 1992 to May 2015...
December 2017: Neuro-ophthalmology
https://www.readbyqxmd.com/read/29343642/mechanogenetics-for-the-remote-and-noninvasive-control-of-cancer-immunotherapy
#13
Yijia Pan, Sangpil Yoon, Jie Sun, Ziliang Huang, Changyang Lee, Molly Allen, Yiqian Wu, Ya-Ju Chang, Michel Sadelain, K Kirk Shung, Shu Chien, Yingxiao Wang
While cell-based immunotherapy, especially chimeric antigen receptor (CAR)-expressing T cells, is becoming a paradigm-shifting therapeutic approach for cancer treatment, there is a lack of general methods to remotely and noninvasively regulate genetics in live mammalian cells and animals for cancer immunotherapy within confined local tissue space. To address this limitation, we have identified a mechanically sensitive Piezo1 ion channel (mechanosensor) that is activatable by ultrasound stimulation and integrated it with engineered genetic circuits (genetic transducer) in live HEK293T cells to convert the ultrasound-activated Piezo1 into transcriptional activities...
January 17, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29343075/tocilizumab-in-giant-cell-arteritis-a-real-life-retrospective-study
#14
Gianfranco Vitiello, Carolina Orsi Battaglini, Giulia Carli, Anna Radice, Andrea Matucci, Alessandra Vultaggio, Catia Olianti, Paola Parronchi, Enrico Maggi, Daniele Cammelli
This study aims to evaluate (1) the efficacy and safety of tocilizumab (TCZ) as a steroid-sparing agent in patients with giant cell arteritis (GCA) and (2) the usefulness of 18F-fluorodeoxyglucose positron emission tomography (FDG-PET) in the follow-up and to detect disease activity. We retrospectively evaluated 12 patients with GCA treated with TCZ (8 mg/kg/mo). Pre- and posttherapy data about clinical signs and symptoms, laboratory results, FDG-PET imaging study, and the mean glucocorticoid (GC) dose were used to assess disease activity...
January 1, 2018: Angiology
https://www.readbyqxmd.com/read/29341697/large-scale-structure-and-hyperuniformity-of-amorphous-ices
#15
Fausto Martelli, Salvatore Torquato, Nicolas Giovambattista, Roberto Car
We investigate the large-scale structure of amorphous ices and transitions between their different forms by quantifying their large-scale density fluctuations. Specifically, we simulate the isothermal compression of low-density amorphous ice (LDA) and hexagonal ice to produce high-density amorphous ice (HDA). Both HDA and LDA are nearly hyperuniform; i.e., they are characterized by an anomalous suppression of large-scale density fluctuations. By contrast, in correspondence with the nonequilibrium phase transitions to HDA, the presence of structural heterogeneities strongly suppresses the hyperuniformity and the system becomes hyposurficial (devoid of "surface-area fluctuations")...
September 29, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29341592/application-of-decafluorobiphenyl-dfbp-moiety-as-a-linker-in-bioconjugation
#16
Fernando Albericio, Saba Alapour, Beatriz G de la Torre, Deresh Ramjugernath, Neil Anthony Koorbanally
Considerable attention has been devoted to fluorinated compounds due to their unique and interesting properties. Many modern pharmaceuticals contain fluorinated substituents, which are commonly synthesized using selective fluorinating reagents. Decafluorobiphenyl (DFBP) as a fluorinated linker is susceptible to nucleophilic attack. This nucleophilic reaction has been widely studied using various nucleophiles. Sulfur and nitrogen containing nucleophiles have been of particular interest, especially in bioconjugated reactions...
January 17, 2018: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/29341121/violence-guns-and-suicide-in-new-orleans-results-from-a-qualitative-study-of-recent-suicide-decedents
#17
Rajeev Ramchand, Enchanté Franklin, Elizabeth Thornton, Sarah M Deland, Jeffrey C Rouse
Many Americans own guns to protect themselves against other people, but there is evidence that both victimization and gun access increase suicide risk. We conducted qualitative interviews with informants of 17 suicide cases in New Orleans of the 60 who died between January 2015 and April 2016 to understand the relationship between past trauma, gun access and storage, and suicide. Nine cases had experienced a past trauma, including three who had recently had a family member killed by homicide. Eight died via firearm; of those, seven owned the guns they used to take their lives and stored them locked (but loaded) at home or in their cars...
January 16, 2018: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/29340943/a-prospective-investigation-of-rumination-and-executive-control-in-predicting-overgeneral-autobiographical-memory-in-adolescence
#18
Tracy M Stewart, Simon C Hunter, Sinéad M Rhodes
The CaR-FA-X model (Williams et al., 2007), or capture and rumination (CaR), functional avoidance (FA), and impaired executive control (X), is a model of overgeneral autobiographical memory (OGM). Two mechanisms of the model, rumination and executive control, were examined in isolation and in interaction in order to investigate OGM over time. Across two time points, six months apart, a total of 149 adolescents (13-16 years) completed the minimal-instruction autobiographical memory test, a measure of executive control with both emotional and nonemotional stimuli, and measures of brooding rumination and reflective pondering...
January 16, 2018: Memory & Cognition
https://www.readbyqxmd.com/read/29340259/relationships-between-road-distance-to-primary-care-facilities-and-ischemic-heart-disease-and-stroke-mortality-in-hokkaido-japan-a-bayesian-hierarchical-approach-to-ecological-count-data
#19
Yasuaki Saijo, Eiji Yoshioka, Yasuyuki Kawanishi, Yoshihiko Nakagi, Sharon J B Hanley, Takahiko Yoshida
Objective: Poor access to a primary care physician may lead to poor control of risk factors for disease. This study investigated whether geographic access to a primary care physician was related to ischemic heart disease and stroke mortality. Methods: Road-distances from the centroids of the basic unit blocks of the 2010 Japanese Census to the nearest primary care facilities in Hokkaido, northern Japan, were measured using geographic information system (GIS) software...
January 2018: Journal of General and Family Medicine
https://www.readbyqxmd.com/read/29340169/autoimmune-retinopathy-a-review
#20
REVIEW
Aristófanes Mendonça Canamary, Walter Yukihiko Takahashi, Juliana Maria Ferraz Sallum
Autoimmune retinopathy (AIR) is a rare and still poorly understood immune-mediated disease that may cause inflammation from circulating autoantibodies against the retina. It may be related to history of autoimmune disease in the patient or in a family member or the presence of neoplastic disease in the individual. The disease may be subdivided into paraneoplastic and non-paraneoplastic AIR. When related to melanoma, it is referred to as MAR, and when related to other cancers, it is called CAR. The exact prevalence of AIR is unknown...
2018: International Journal of Retina and Vitreous
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