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https://www.readbyqxmd.com/read/29044664/a-new-technique-of-surgical-planning-for-anterior-cruciate-ligament-reconstruction-feasibility-assessment-of-shear-wave-elastography-to-tendon-of-semitendinosus-muscle
#1
Yoshiaki Itoigawa, Yuji Takazawa, Yuichiro Maruyama, Keiichi Yoshida, Tatsuo Sakai, Koichiro Ichimura, Kazuo Kaneko
There is currently no method to quantify the quality of the harvested graft before anterior cruciate ligament (ACL) reconstruction. The purpose of the present study was to explore a method for measuring stiffness of the normal tendon of the semitendinosus muscle using shear wave elastography (SWE). Our investigation comprised two steps. First, we determined orientation of the semitendinosus tendon fibers in 20 lower legs of embalmed cadavers. Second, we investigated the feasibility of quantifying stiffness of the normal semitendinosus tendon by SWE in 24 subjects (48 legs: 24 male and 24 female subjects) in vivo...
October 17, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/29044120/few-femtosecond-passage-of-conical-intersections-in-the-benzene-cation
#2
M C E Galbraith, S Scheit, N V Golubev, G Reitsma, N Zhavoronkov, V Despré, F Lépine, A I Kuleff, M J J Vrakking, O Kornilov, H Köppel, J Mikosch
Observing the crucial first few femtoseconds of photochemical reactions requires tools typically not available in the femtochemistry toolkit. Such dynamics are now within reach with the instruments provided by attosecond science. Here, we apply experimental and theoretical methods to assess the ultrafast nonadiabatic vibronic processes in a prototypical complex system-the excited benzene cation. We use few-femtosecond duration extreme ultraviolet and visible/near-infrared laser pulses to prepare and probe excited cationic states and observe two relaxation timescales of 11 ± 3 fs and 110 ± 20 fs...
October 18, 2017: Nature Communications
https://www.readbyqxmd.com/read/29043910/intersections-of-girl-child-marriage-and-family-planning-beliefs-and-use-qualitative-findings-from-ethiopia-and-india
#3
Katherine A McClendon, Lotus McDougal, Sankari Ayyaluru, Yemeserach Belayneh, Anand Sinha, Jay G Silverman, Anita Raj
Child marriage and subsequent early first birth is a considerable social, economic and health concern, and a pervasive practice in sub-Saharan Africa and South Asia. This study explores barriers and facilitators to family planning among women and girls, and their marital decision-makers subsequent to receipt of child marriage prevention programmes in Ethiopia and India. In-depth interviews with 128 women and girls who were married as minors or who cancelled or postponed marriage as minors and their marital decision-makers were analysed using content analysis...
October 18, 2017: Culture, Health & Sexuality
https://www.readbyqxmd.com/read/29043846/-gay-equals-white-racial-ethnic-and-sexual-identities-and-attitudes-toward-lgbt-individuals-among-college-students-at-a-bible-belt-university
#4
Meredith G F Worthen
While past research has certainly explored a variety of correlates of attitudes toward lesbian, gay, bisexual, and transgender (LGBT) individuals, the current study is among the first in an emerging line of inquiry that examines attitudes toward each of these groups separately utilizing an intersectional framework with special attention to racial, ethnic, and sexual identities. Using a college sample of students from the Bible Belt of the United States (N = 1,940), I investigated the roles of racial and ethnic identities (Caucasian/White, African American/Black, Asian/Pacific Islander, Native American/Alaskan Native, other race, and Hispanic/Latinx), religiosity, patriarchal gender norms, parental perspectives, and the intersections among these identities and experiences as they relate to attitudes toward LGBT individuals among heterosexual (n = 1,551) and LGB respondents (n = 389)...
October 18, 2017: Journal of Sex Research
https://www.readbyqxmd.com/read/29043759/-highly-processed-highly-packaged-very-unhealthy-but-they-are-low-risk-exploring-intersections-between-community-food-security-and-food-safety
#5
Kelsey A Speed, Samantha B Meyer, Rhona M Hanning, Shannon E Majowicz
INTRODUCTION: Food insecurity and foodborne disease are important issues in Canada, and the public health actions taken to address them can be conceptualized as factors shaping the food environment. Given emerging evidence that these two areas may interrelate, the objective of this study was to explore ways in which community food security efforts and food safety practices (and the population health issues they aim to address) may intersect in British Columbia, Canada, and interpret what this might mean for conceptualizing and attaining healthier food environments...
October 2017: Health Promotion and Chronic Disease Prevention in Canada
https://www.readbyqxmd.com/read/29043466/innovation-at-the-intersection-of-alcohol-and-hiv-research
#6
EDITORIAL
Alastair van Heerden, Mark Tomlinson, Sarah Skeen, Charles Parry, Kendal Bryant, Mary Jane Rotheram-Borus
Working in an interdisciplinary manner at the crossroads of alcohol and HIV research is a challenge. This paper presents six novel approaches that could be applied to activities at the intersection of alcohol and HIV. These approaches are (i) address the fact that the availability of new technology is unevenly distributed around the world, (ii) use technology to move beyond both paper and digital surveys, (iii) introduce a focus on advocacy and partnerships with large technology companies, (iv) harness technological innovation to utilise digital counselling, (v) explore the use of virtual reality in both research and delivering interventions, and (vi) consider alternative funding models to those currently in existence to improve efficiencies and innovations...
October 17, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/29042294/impaired-cardiac-autonomic-regulation-and-long-term-risk-of-atrial-fibrillation-in-patients-with-coronary-artery-disease
#7
Santeri Nortamo, Olavi Ukkola, Antti Kiviniemi, Mikko Tulppo, Heikki Huikuri, Juha Perkiömäki
BACKGROUND: The influence of autonomic cardiac regulation on long-term risk of new-onset atrial fibrillation (AF) in coronary artery disease (CAD) is not well established. OBJECTIVE: To evaluate the value of heart rate variability (HRV), a marker of cardiac autonomic regulation, in predicting new-onset AF in CAD. METHODS: The Innovation to Reduce Cardiovascular Complications of Diabetes at the Intersection (ARTEMIS) study population consisted of 1,946 patients with CAD...
October 14, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29042120/pilot-study-on-the-impact-of-f18-labeled-thymidine-pet-ct-on-gross-tumor-volume-identification-and-definition-for-pancreatic-cancer
#8
Jennifer L Pretz, Michael A Blake, Joseph H Killoran, Harvey J Mamon, Jennifer Y Wo, Andrew X Zhu, Theodore S Hong
PURPOSE: Accurate target definition for radiation therapy planning in localized pancreatic cancer is critical, particularly when using strategies that omit elective coverage. Standard imaging modalities such as computed tomography (CT), magnetic resonance imaging, and endoscopic ultrasound have limited concordance with pathologic evaluation. Biologic imaging with [F18]-fluorodeoxyglucose (FDG)-positron emission tomography (PET) can also be difficult to interpret because increased activity is indicative of increased glucose metabolism, rather than cellular proliferation...
September 18, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/29041543/filamentary-plasma-grating-induced-by-interference-of-two-femtosecond-laser-pulses-in-water
#9
Fengjiang Liu, Shuai Yuan, Boqu He, Junyi Nan, Mengci Jiang, Abdul Qayyum Khan, Liang'en Ding, Jiaxin Yu, Heping Zeng
We present direct observation of filamentary plasma grating induced by interference between two noncollinear infrared femtosecond pulses in water by doping with gold nanoparticles. The gold nanoparticles act as scattering media in water and visualize the fine structure of local optical fields of plasma grating. By measuring the variation of local conductivity as laser undergoes filamentation in water, the generated electron density in water is qualitatively studied. Significant enhancement of local electron density is observed at the intersecting region as two laser beams form plasma grating, indicating the breakthrough of clamped intensity of a conventional filament in water...
September 18, 2017: Optics Express
https://www.readbyqxmd.com/read/29041384/loss-of-phase-and-universality-of-stochastic-interactions-between-laser-beams
#10
Amir Sagiv, Adi Ditkowski, Gadi Fibich
Traditionally, interactions between laser beams or filaments were considered to be deterministic. We show, however, that in most physical settings, these interactions ultimately become stochastic. Specifically, we show that in the nonlinear propagation of laser beams, the shot-to-shot variation of the nonlinear phase shift increases with distance, and ultimately becomes uniformly distributed in [0, 2π]. Therefore, if two beams travel a sufficiently long distance before interacting, it is not possible to predict whether they would intersect in- or out-of-phase...
October 2, 2017: Optics Express
https://www.readbyqxmd.com/read/29040512/fertility-related-knowledge-and-reproductive-goals-in-childhood-cancer-survivors-short-communication
#11
V Lehmann, M C Keim, L Nahata, E L Shultz, J L Klosky, M A Tuinman, C A Gerhardt
STUDY QUESTION: Do young adult survivors of childhood cancer know their fertility status, in the context of their parenthood goals and screening for gonadal functioning? SUMMARY ANSWER: While 80% of survivors (who were without children) wanted children in the future, most did not know their fertility status, and screening for gonadal functioning was underutilized. WHAT IS KNOWN ALREADY: Survivors of childhood cancer are at risk for infertility, but fertility counseling and assessment are underutilized...
September 29, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29039432/substitution-pattern-on-anthrol-carbaldehydes-excited-state-intramolecular-proton-transfer-esipt-with-a-lack-of-phototautomer-fluorescence
#12
S Chaiwongwattana, Đ Škalamera, N Došlić, C Bohne, N Basarić
Photophysical properties and excited state intramolecular proton transfer (ESIPT) reactivity for anthrol carbaldehydes 1-5 have been investigated computationally and experimentally by steady-state and time-resolved fluorescence and laser flash photolysis (LFP). 1,2-Disubstituted anthrol carbaldehydes 1 and 2 are not ESIPT reactive, contrary to naphthol analogues. The main deactivation channels from S1 for 1 and 2 are fluorescence (ΦF = 0.1-0.2) and intersystem crossing (ISC) to almost isoenergetic T2 states...
October 17, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29038378/current-status-and-future-challenges-for-molecular-imaging
#13
REVIEW
Carolyn J Anderson, Jason S Lewis
Molecular imaging (MI), used in its wider sense of biology at the molecular level, is a field that lies at the intersection of molecular biology and traditional medical imaging. As advances in medicine have exponentially expanded over the last few decades, so has our need to better understand the fundamental behaviour of living organisms in a non-invasive and timely manner. This commentary draws from topics the authors addressed in their presentations at the 2017 Royal Society Meeting 'Challenges for chemistry in molecular imaging', as well as a discussion of where MI is today and where it is heading in the future...
November 28, 2017: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/29035270/quantifying-trace-element-and-isotope-fluxes-at-the-ocean-sediment-boundary-a-review
#14
William B Homoky, Thomas Weber, William M Berelson, Tim M Conway, Gideon M Henderson, Marco van Hulten, Catherine Jeandel, Silke Severmann, Alessandro Tagliabue
Quantifying fluxes of trace elements and their isotopes (TEIs) at the ocean's sediment-water boundary is a pre-eminent challenge to understand their role in the present, past and future ocean. There are multiple processes that drive the uptake and release of TEIs, and properties that determine their rates are unevenly distributed (e.g. sediment composition, redox conditions and (bio)physical dynamics). These factors complicate our efforts to find, measure and extrapolate TEI fluxes across ocean basins. GEOTRACES observations are unveiling the oceanic distributions of many TEIs for the first time...
November 28, 2016: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/29035190/brain-tumor-epidemiology-in-the-era-of-precision-medicine-the-2017-brain-tumor-epidemiology-consortium-meeting-report
#15
Kimberly J Johnson, Judith Schwartzbaum, Carol Kruchko, Michael E Scheurer, Ching C Lau, Adelheid Woehrer, Johannes A Hainfellner, Joseph Wiemels
The Brain Tumor Epidemiology Consortium (BTEC) is an international consortium that aims to advance the development of multicenter and interdisciplinary collaborations that focus on research related to the etiology, outcomes, and prevention of brain tumors. The 18th annual BTEC meeting was held in Banff, AB, Canada, on June 27 - 29, 2017. The meeting focused on the intersection between epidemiology and precision medicine, that is, the use of molecular indicators of risk, early disease and prognosis or precision epidemiology...
October 16, 2017: Clinical Neuropathology
https://www.readbyqxmd.com/read/29033189/mir-375-a-prospective-regulator-in-medullary-thyroid-cancer-based-on-microarray-data-and-bioinformatics-analyses
#16
Lin Shi, Shi-Mei Zhao, Yu Luo, An-Wen Zhang, Li-Hua Wei, Zheng-Yi Xie, Yuan-Yuan Li, Wei Ma
BACKGROUND: This research aims to investigate the prospective molecular mechanism of miR-375 in Medullary Thyroid Cancer (MTC). MATERIAL AND METHODS: The expression level of miR-375 in MTC was explored with microarray data from Gene Expression Omnibus (GEO). To gather the putative target genes of miR-375, we selected eligible datasets in GEO, in which antagomir-375 and premir-375 were transfected to provide the miR-375-related genes. Subsequently, we attained the intersection of the results of GEO microarray data and 12 online target genes prediction database as the prospective target genes...
September 27, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/29032637/electron-proton-transfer-mechanism-of-excited-state-hydrogen-transfer-in-phenol-nh3-n-n-3-and-5
#17
Mitsuhiko Miyazaki, Ryuhei Ohara, Claude Dedonder, Christophe Jouvet, Masaaki Fujii
Excited-state hydrogen transfer (ESHT) is responsible for various photochemical processes of aromatics, including photoprotection of nuclear basis. Its mechanism is explained by internal conversion from the aromatic ππ* to πσ* states via conical intersection. This means that the electron is transferred to a diffuse Rydberg-like σ* orbital apart from proton migration. This picture means the electron and the proton do not move together and the dynamics are different in principle. Here, we have applied picosecond time-resolved near-infrared (NIR) and infrared (IR) spectroscopies to the phenol-(NH3)5 cluster, the benchmark system of ESHT, and monitored the electron transfer and proton motion independently...
October 15, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29031424/the-experience-and-influence-of-social-support-and-social-dynamics-on-cardiovascular-disease-prevention-in-migrant-pakistani-communities-a-qualitative-synthesis
#18
REVIEW
Farina Kokab, Sheila Greenfield, Antje Lindenmeyer, Manbinder Sidhu, Lynda Tait, Paramjit Gill
OBJECTIVE: The objective of this research was to synthesise qualitative literature about the perceived influence and experience of social support, in relation to cardiovascular disease (CVD) prevention in migrant Pakistani communities. METHODS: Articles were systematically reviewed, critically appraised, and analysed using an adapted meta-ethnography approach. RESULTS: Sixteen qualitative studies on health behaviours related to CVD prevention were included...
October 4, 2017: Patient Education and Counseling
https://www.readbyqxmd.com/read/29030723/eric-davidson-and-deep-time
#19
Douglas H Erwin
Eric Davidson had a deep and abiding interest in the role developmental mechanisms played in generating evolutionary patterns documented in deep time, from the origin of the euechinoids to the processes responsible for the morphological architectures of major animal clades. Although not an evolutionary biologist, Davidson's interests long preceded the current excitement over comparative evolutionary developmental biology. Here I discuss three aspects at the intersection between his research and evolutionary patterns in deep time: First, understanding the mechanisms of body plan formation, particularly those associated with the early diversification of major metazoan clades...
October 13, 2017: History and Philosophy of the Life Sciences
https://www.readbyqxmd.com/read/29028711/does-regulatory-really-intersect-reality-in-glucose-measurement-in-the-icu-is-the-issue-testing-method-accuracy-or-specimen-type
#20
Jeffrey Anton DuBois, Robbert Jan Slingerland, Marion Fokkert, Alain Roman, Nam Khoa Tran, William Clarke, David Alan Sartori, Tina Louise Palmieri, Andrei Malic, Martha Elizabeth Lyon, Andrew William Lyon
No abstract text is available yet for this article.
November 2017: Critical Care Medicine
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