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https://www.readbyqxmd.com/read/28811739/a-fem-experimental-approach-for-the-development-of-a-conceptual-linear-actuator-based-on-tendril-s-free-coiling
#1
Luca Cortese, Selena Milanovic, Renato Vidoni
Within the vastness of the plant species, certain living systems show tendril structures whose motion is of particular interest for biomimetic engineers. Tendrils sense and coil around suitable grips, and by shortening in length, they erect the remaining plant body. To achieve contraction, tendrils rotate along their main axis and shift from a linear to a double-spring geometry. This phenomenon is denoted as the free-coiling phase. In this work, with the aim of understanding the fundamentals of the mechanics behind the free coiling, a reverse-engineering approach based on the finite element method was firstly applied...
2017: Applied Bionics and Biomechanics
https://www.readbyqxmd.com/read/28811737/learning-and-developing-individual-exercise-skills-l-a-d-i-e-s-for-a-better-life-a-church-based-physical-activity-intervention-baseline-participant-characteristics
#2
Melicia C Whitt-Glover, Moses V Goldmon, Ziya Gizlice, Daniel P Heil, Njeri Karanja
OBJECTIVE: Physical activity (PA) is beneficial for health, yet most African American women do not achieve recommended levels. Successful, sustainable strategies could help to address disparities in health outcomes associated with low levels of PA. The Learning and Developing Individual Exercise Skills (L.A.D.I.E.S.) for a Better Life study compared a faith-based and a secular intervention for increasing PA with a self-guided control group. DESIGN SETTING AND PARTICIPANTS: This cluster randomized, controlled trial was conducted from 2010 - 2011 in African American churches (n=31) in suburban North Carolina...
2017: Ethnicity & Disease
https://www.readbyqxmd.com/read/28811733/community-partners-in-care-6-month-outcomes-of-two-quality-improvement-depression-care-interventions-in-male-participants
#3
Pratik Mehta, Anthony Brown, Bowen Chung, Felica Jones, Lingqi Tang, James Gilmore, Jeanne Miranda, Kenneth Wells
OBJECTIVE: Limited data exist on approaches to improve depression services for men in under-resourced communities. This article explores this issue using a sub-analysis of male participants in Community Partners in Care (CPIC). DESIGN: Community partnered, cluster, randomized trial. SETTING: Hollywood-Metropolitan and South Los Angeles, California. PARTICIPANTS: 423 adult male clients with modified depression (PHQ-8 score≥10)...
2017: Ethnicity & Disease
https://www.readbyqxmd.com/read/28811707/myo-inositol-reduces-%C3%AE-catenin-activation-in-colitis
#4
Emily M Bradford, Corey A Thompson, Tatiana Goretsky, Guang-Yu Yang, Luz M Rodriguez, Linheng Li, Terrence A Barrett
AIM: To assess dietary myo-inositol in reducing stem cell activation in colitis, and validate pβ-catenin(S552) as a biomarker of recurrent dysplasia. METHODS: We examined the effects of dietary myo-inositol treatment on inflammation, pβ-catenin(S552) and pAkt levels by histology and western blot in IL-10(-/-) and dextran sodium sulfate-treated colitic mice. Additionally, we assessed nuclear pβ-catenin(S552) in patients treated with myo-inositol in a clinical trial, and in patients with and without a history of colitis-induced dysplasia...
July 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28811666/the-essential-kinase-atr-ensuring-faithful-duplication-of-a-challenging-genome
#5
REVIEW
Joshua C Saldivar, David Cortez, Karlene A Cimprich
One way to preserve a rare book is to lock it away from all potential sources of damage. Of course, an inaccessible book is also of little use, and the paper and ink will continue to degrade with age in any case. Like a book, the information stored in our DNA needs to be read, but it is also subject to continuous assault and therefore needs to be protected. In this Review, we examine how the replication stress response that is controlled by the kinase ataxia telangiectasia and Rad3-related (ATR) senses and resolves threats to DNA integrity so that the DNA remains available to read in all of our cells...
August 16, 2017: Nature Reviews. Molecular Cell Biology
https://www.readbyqxmd.com/read/28809946/structure-function-analyses-of-metal-binding-sites-of-hypa-reveal-residues-important-for-hydrogenase-maturation-in-helicobacter-pylori
#6
Faith C Blum, Heidi Q Hu, Stephanie L Servetas, Stéphane L Benoit, Robert J Maier, Michael J Maroney, D Scott Merrell
The nickel-containing enzymes of Helicobacter pylori, urease and hydrogenase, are essential for efficient colonization in the human stomach. The insertion of nickel into urease and hydrogenase is mediated by the accessory protein HypA. HypA contains an N-terminal nickel-binding site and a dynamic structural zinc-binding site. The coordination of nickel and zinc within HypA is known to be critical for urease maturation and activity. Herein, we test the hydrogenase activity of a panel of H. pylori mutant strains containing point mutations within the nickel- and zinc-binding sites...
2017: PloS One
https://www.readbyqxmd.com/read/28807739/community-based-participatory-research-to-design-a-faith-enhanced-diabetes-prevention-program-the-better-me-within-randomized-trial
#7
Heather Kitzman, Leilani Dodgen, Abdullah Mamun, J Lee Slater, George King, Donna Slater, Alene King, Surendra Mandapati, Mark DeHaven
Reducing obesity positively impacts diabetes and cardiovascular risk; however, evidence-based lifestyle programs, such as the diabetes prevention program (DPP), show reduced effectiveness in African American (AA) women. In addition to an attenuated response to lifestyle programs, AA women also demonstrate high rates of obesity, diabetes, and cardiovascular disease. To address these disparities, enhancements to evidence-based lifestyle programs for AA women need to be developed and evaluated with culturally relevant and rigorous study designs...
August 11, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/28805343/rest-and-exercise-hemodynamic-and-metabolic-findings-in-active-duty-soldiers-referred-for-cardiac-catheterization-to-exclude-heart-disease-insights-from-past-invasive-cardiopulmonary-exercise-testing-using-multisensor-high-fidelity-catheters
#8
James A Watts, Faith R Kelly, Terry D Bauch, Joseph P Murgo, Bernard J Rubal
OBJECTIVE: This study describes results of iCPET from the past, which used submaximal stress and multisensor high-fidelity catheters to exclude heart disease in a unique population of young adults. BACKGROUND: There has been resurgence in comprehensive hemodynamic evaluation of complex cardiovascular patients. Although dynamic assessments during cardiac catheterization have become commonplace, there remains limited information regarding left and right heart hemodynamic changes during supine exercise in young adults...
May 8, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28803671/contemporary-evosystem-services-a-reply-to-faith-et-al
#9
Seth M Rudman, Maayan Kreitzman, Kai M A Chan, Dolph Schluter
No abstract text is available yet for this article.
August 10, 2017: Trends in Ecology & Evolution
https://www.readbyqxmd.com/read/28801517/effect-of-densely-ionizing-radiation-on-cardiomyocyte-differentiation-from-human-induced-pluripotent-stem-cells
#10
Erdene Baljinnyam, Sundararajan Venkatesh, Richard Gordan, Satvik Mareedu, Jianyi Zhang, Lai-Hua Xie, Edouard I Azzam, Carolyn K Suzuki, Diego Fraidenraich
The process of human cardiac development can be faithfully recapitulated in a culture dish with human pluripotent stem cells, where the impact of environmental stressors can be evaluated. The consequences of ionizing radiation exposure on human cardiac differentiation are largely unknown. In this study, human-induced pluripotent stem cell cultures (hiPSCs) were subjected to an external beam of 3.7 MeV α-particles at low mean absorbed doses of 0.5, 3, and 10 cGy. Subsequently, the hiPSCs were differentiated into beating cardiac myocytes (hiPSC-CMs)...
August 2017: Physiological Reports
https://www.readbyqxmd.com/read/28799851/the-role-of-internalized-homonegativity-in-the-faith-and-psychological-health-of-lesbians
#11
Dane R Whicker, Ed de St Aubin, Kim Skerven
Among lesbians, faith-based beliefs and behaviors may be associated with negative psychological health due to the interplay between religious and sexual identities. The present study examined health outcomes, faith-based beliefs (views of God as loving and controlling), faith-based behaviors (personal spiritual practices, religious activities), and internalized homonegativity in a sample of 225 self-identified lesbians. We hypothesized that internalized homonegativity would moderate the relationship between health outcomes and faith-based beliefs and behaviors among lesbians...
August 11, 2017: Journal of Lesbian Studies
https://www.readbyqxmd.com/read/28799821/a-review-of-palliative-and-hospice-care-in-the-context-of-islam-dying-with-faith-and-family
#12
Maximiliano Mendieta, Robert W Buckingham
BACKGROUND: By starting to understand Muslim culture, we can seek common ground with Islamic culture within the American experience and bridge opportunities for better palliative and hospice care here and in Middle Eastern countries. The United States, Canada, and Europe are education hubs for Middle Eastern students, creating an opportunity for the palliative and hospice care philosophy to gain access by proxy to populations of terminally ill patients who can benefit from end-of-life care...
August 11, 2017: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/28794547/evolution-of-ethics-in-clinical-research-and-ethics-committee
#13
Nilay Kanti Das, Amrita Sil
Ethics are the moral values of human behavior and the principles which govern these values. The situation becomes challenging for a doctor when he assumes the role of researcher. The doctor-researcher has to serve both the roles and at times the zeal of an investigator has the potential to cloud the morality of the physician inside. It is very important to realize that exploiting the faith of patients is an offence that tantamount to a crime. Medical science is one discipline where the advancement of knowledge is hugely guided by research and mankind has benefitted from many experiments...
July 2017: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/28794450/serial-processing-of-kinematic-signals-by-cerebellar-circuitry-during-voluntary-whisking
#14
Susu Chen, George J Augustine, Paul Chadderton
Purkinje cells (PCs) in Crus 1 represent whisker movement via linear changes in firing rate, but the circuit mechanisms underlying this coding scheme are unknown. Here we examine the role of upstream inputs to PCs-excitatory granule cells (GCs) and inhibitory molecular layer interneurons-in processing of whisking signals. Patch clamp recordings in GCs reveal that movement is accompanied by changes in mossy fibre input rate that drive membrane potential depolarisation and high-frequency bursting activity at preferred whisker angles...
August 10, 2017: Nature Communications
https://www.readbyqxmd.com/read/28793835/culturally-tailoring-a-patient-empowerment-and-diabetes-education-curriculum-for-the-african-american-church
#15
Eric Whitney, Elijah Kindred, Abdullah Pratt, Yolanda O'Neal, Rev Chauncey P Harrison, Monica E Peek
Purpose The African American church has long been recognized as a valuable partner for health interventions in the community. While an extensive literature exists documenting the potential efficacy of diabetes education programs in church settings, there has yet to be an effort to leverage spiritual beliefs and practices to promote diabetes self-management and shared decision making within a faith-based framework that is culturally tailored to the African American church. The purpose of this article is to describe the translation of a clinic-based diabetes education program into faith-based education curriculum tailored for use in the African American church...
August 1, 2017: Diabetes Educator
https://www.readbyqxmd.com/read/28792207/toward-reservoir-on-a-chip-fabricating-reservoir-micromodels-by-in-situ-growing-calcium-carbonate-nanocrystals-in-microfluidic-channels
#16
Wei Wang, Sehoon Chang, Ayrat Gizzatov
We introduce a novel and simple method to fabricate calcium carbonate (CaCO3) micromodels by in situ growing a thin layer of CaCO3 nanocrystals with thickness of 1-2 µm in microfluidic channels. This approach enables us to fabricate synthetic CaCO3 reservoir micromodels having surfaces fully covered with calcite, while the dimension and geometries of the micromodels are controllable based on the original microfluidic channels. We have tuned the wettability of the CaCO3 coated microchannels at simulated oil reservoir conditions without introducing any chemical additives to the system; and thus the resulting oil-wet surface makes the micromodel more faithfully resemble a natural carbonate reservoir rock...
August 9, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28791486/making-an-informed-decision-of-korean-cancer-patients-the-discrepancy-between-a-patient-s-recall-of-information-and-the-information-needed-for-acquisition-of-radiotherapy-informed-consent
#17
Hye Ran Lee, Chiyeon Lim, Hyong Geun Yun, Seung Hee Kang, Do Yeun Kim
INTRODUCTION: To give informed consent, a patient needs to sufficiently understand the information provided by a physician to decide among treatment options. Although shared decision-making is becoming an important aspect of patient-centered care, little is known about decision-making by cancer patients in Korea. OBJECTIVES: This study assessed Korean cancer patients' understanding of treatment goals and the need to obtain further information after a physician obtained informed consent for radiotherapy...
August 8, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28789719/meaning-of-life-representation-of-death-and-their-association-with-psychological-distress
#18
Ines Testoni, Giulia Sansonetto, Lucia Ronconi, Maddalena Rodelli, Gloria Baracco, Luigi Grassi
OBJECTIVE: This paper presents a two-phase cross-sectional study aimed at examining the possible mitigating role of perceived meaning of life and representation of death on psychological distress, anxiety, and depression. METHOD: The first phase involved 219 healthy participants, while the second encompassed 30 cancer patients. Each participant completed the Personal Meaning Profile (PMP), the Testoni Death Representation Scale (TDRS), the Hospital Anxiety and Depression Scale (HADS), and the Distress Thermometer (DT)...
August 9, 2017: Palliative & Supportive Care
https://www.readbyqxmd.com/read/28783623/kronecker-basis-representation-based-tensor-sparsity-and-its-applications-to-tensor-recovery
#19
Qi Xie, Qian Zhao, Deyu Meng, Zongben Xu
It is well known that the sparsity/low-rank of a vector/matrix can be rationally measured by nonzero-entries-number ($l_0$ norm)/nonzero- singular-values-number (rank), respectively. However, data from real applications are often generated by the interaction of multiple factors, which obviously cannot be sufficiently represented by a vector/matrix, while a high order tensor is expected to provide more faithful representation to deliver the intrinsic structure underlying such data ensembles. Unlike the vector/matrix case, constructing a rational high order sparsity measure for tensor is a relatively harder task...
August 2, 2017: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://www.readbyqxmd.com/read/28778067/exome-sequencing-analysis-of-murine-medulloblastoma-models-identifies-wdr11-as-a-potential-tumor-suppressor-in-group-3-tumors
#20
Lei Wei, Brian L Murphy, Gang Wu, Matthew Parker, John Easton, Richard J Gilbertson, Jinghui Zhang, Martine F Roussel
Mouse models of human cancers are widely used in cancer research, yet questions frequently arise regarding their faithfulness in recapitulating their human counterparts. To compare the somatic mutations of murine models with human medulloblastoma (MB), we performed whole-exome sequencing on 12 tumors representing three distinct medulloblastoma subgroups: Wnt, Sonic Hedgehog (Shh) and Group 3 (G3). In total, 64 somatic mutations were identified and validated, including 40 predicted to cause amino acid changes...
July 27, 2017: Oncotarget
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