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https://www.readbyqxmd.com/read/28636055/effect-of-headless-compression-screw-on-construct-stability-for-centre-of-rotation-and-angulation-based-levelling-osteotomy-biomechanical-testing-in-flexion-and-torsion
#1
Michelle R Meyer, Mireya A Perez, Mohammad S Hossain, Edward B Silverman, Randall B Fitch, Ryan B Wicker
OBJECTIVE: To compare the biomechanical properties of bone and implant constructs when used for the centre of rotation and angulation (CORA) based levelling osteotomy, with and without implantation of a trans-osteotomy headless compression screw tested under three-point flexural and torsional forces; thereby determining the contribution of a trans-osteotomy headless compression screw with regards to stability of the construct. METHODS: Experimental biomechanical study utilizing 12 pairs of cadaveric canine tibias...
June 21, 2017: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/28635368/efficacy-and-safety-of-autologous-cell-therapies-for-knee-cartilage-defects-autologous-stem-cells-chondrocytes-or-the-two-randomized-controlled-trial-design
#2
James B Richardson, Karina T Wright, Johanna Wales, Jan Herman Kuiper, Helen S McCarthy, Peter Gallacher, Paul E Harrison, Sally Roberts
AIM: The main aim of this trial is to test the safety and efficacy of autologous stromal/stem cells, chondrocytes or the two combined in the treatment of knee cartilage defects. PATIENTS & METHODS: Patients with symptomatic chondral/osteochondral defects will be randomized to cell therapy treatment with one of three cell populations (1:1:1). The primary efficacy outcome is a functional knee score (Lysholm) at 15 months post-treatment and the primary safety outcome is the incidence of adverse events...
June 21, 2017: Regenerative Medicine
https://www.readbyqxmd.com/read/28634715/regulatory-element-based-prediction-identifies-new-susceptibility-regulatory-variants-for-osteoporosis
#3
Shi Yao, Yan Guo, Shan-Shan Dong, Ruo-Han Hao, Xiao-Feng Chen, Yi-Xiao Chen, Jia-Bin Chen, Qing Tian, Hong-Wen Deng, Tie-Lin Yang
Despite genome-wide association studies (GWASs) have identified many susceptibility genes for osteoporosis, it still leaves a large part of missing heritability to be discovered. Integrating regulatory information and GWASs could offer new insights into the biological link between the susceptibility SNPs and osteoporosis. We generated five machine learning classifiers with osteoporosis-associated variants and regulatory features data. We gained the optimal classifier and predicted genome-wide SNPs to discover susceptibility regulatory variants...
June 20, 2017: Human Genetics
https://www.readbyqxmd.com/read/28634392/the-traditional-chinese-medicine-achyranthes-bidentata-and-our-de-novo-conception-of-its-metastatic-chemoprevention-from-phytochemistry-to-pharmacology
#4
Zhou Jiang, Jun Qian, Haiyan Dong, Jingyi Yang, Xiaobo Yu, Jianzhong Chen, Hongning Chen, Qing Shi, Lee Jia
Our recent biosystems analysis revealed similarities between embryonic implantation and cancer cell adhesion, which suggests that abortifacients may be good for safe and effective metastatic chemoprevention targeting circulating tumor cells (CTC). Here we test the hypothesis by using the well-known abortion herb Achyranthes bidentata Blume (A. bidentata). Five compounds were separated from the herb root. Among them, ginsenoside Ro was the most potent in inhibiting embryonic implantation within non-cytotoxic concentrations...
June 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28634339/effective-synthesis-of-highly-oxidized-graphene-oxide-that-enables-wafer-scale-nanopatterning-preformed-acidic-oxidizing-medium-approach
#5
Chun-Hu Chen, Shin Hu, Jyun-Fu Shih, Chang-Ying Yang, Yun-Wen Luo, Ren-Huai Jhang, Chao-Ming Chiang, Yung-Jr Hung
Demand for rapid and massive-scale exfoliation of bulky graphite remains high in graphene commercialization and property manipulation. We report a procedure utilizing "preformed acidic oxidizing medium (PAOM)" as a modified version of the Hummers' method for fast and reliable synthesis of graphene oxide. Pre-mixing of KMnO4 and concentrated H2SO4 prior to the addition of graphite flakes enables the formation of effectively and efficiently oxidized graphene oxide (EEGO) featured by its high yields and suspension homogeneity...
June 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28634160/high-throughput-characterization-of-cascade-type-i-e-crispr-guide-efficacy-reveals-unexpected-pam-diversity-and-target-sequence-preferences
#6
Becky Xu Hua Fu, Michael Wainberg, Anshul Kundaje, Andrew Z Fire
Interactions between Clustered Regularly Interspaced Short Palindromic Repeat (CRISPR) RNAs and CRISPR-associated (Cas) proteins form an RNA-guided adaptive immune system in prokaryotes. The adaptive immune system utilizes segments of the genetic material of invasive foreign elements in the CRISPR locus. The loci are transcribed and processed to produce small CRISPR RNAs (crRNAs), with degradation of invading genetic material directed by a combination of complementarity between RNA and DNA and in some cases recognition of adjacent motifs called PAMs (Protospacer Adjacent Motifs)...
June 20, 2017: Genetics
https://www.readbyqxmd.com/read/28633963/comparison-of-gargle-samples-and-throat-swab-samples-for-the-detection-of-respiratory-pathogens
#7
Susan Bennett, Rhona S Davidson, Rory N Gunson
Respiratory illness causes significant morbidity especially in children, the elderly and the immunocompromised. The sample type taken and the quality of that sample are of great significance in providing an accurate diagnosis. Gargle samples are easy to take and sample the same area as a throat swab (THS). In this study, we assessed the utility of gargle samples for the molecular detection of common respiratory infections. Paired gargle and THS samples collected on the same day from the same patient were compared...
June 17, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28633818/insight-into-the-synthesis-procedure-of-fe-3-tio2-based-photocatalyst-applied-in-the-selective-photo-oxidation-of-benzyl-alcohol-under-sun-imitating-lamp
#8
Agnieszka Magdziarz, Juan C Colmenares, Olga Chernyayeva, Dmytro Lisovytskiy, Justyna Grzonka, Krzysztof Kurzydłowski, Kinga Freindl, Józef Korecki
Fe(3+)/TiO2/zeolite Y photocatalyst synthesized by using sonophotodeposition method was compared with photocatalysts prepared by simple photodeposition and sonodeposition methods in order to clarify the role of light irradiation and ultrasounds while they are used simultaneously. To gain an insight into the mechanism of this method a detailed characterization of the photocatalysts was carried out by means of the following techniques: UV-vis diffuse reflectance spectroscopy, X-ray photoelectron spectroscopy, transmission electron microscopy, Mössbauer measurements and photocatalytic test reaction...
September 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28633633/utilization-and-farmers-knowledge-on-pigeonpea-diversity-in-benin-west-africa
#9
Mathieu Anatole Tele Ayenan, Agyemang Danquah, Léonard Essehou Ahoton, Kwadwo Ofori
BACKGROUND: Understanding factors driving farmers' uses of crop genetic resources is a key component not only to design appropriate conservation strategies but also to promote sustainable production. However, in Benin, limited information is available on farmers' knowledge related to pigeonpea uses and conservation. This study aimed at i) identifying and investigating the different uses of pigeonpea in relation with socio-cultural factors, namely age, gender, ethnic group and respondents' residence, ii) assessing pigeonpea varieties richness at household level and iii) evaluating the extent and distribution of pigeonpea varieties...
June 20, 2017: Journal of Ethnobiology and Ethnomedicine
https://www.readbyqxmd.com/read/28633533/in-the-modern-era-of-percutaneous-coronary-intervention-is-cardiac-rehabilitation-engagement-purely-a-patient-or-a-service-level-decision
#10
Abdulrahman Al Quait, Patrick Doherty, Nils Gutacker, Joseph Mills
Aims Despite the proven benefits of cardiac rehabilitation (CR), utilization rates remain below recommendation in the percutaneous coronary intervention cohort in most European countries. Although extensive research has been carried out on CR uptake, no previous study has investigated the factors that lead patients to attend the initial CR baseline assessment (CR engagement). This paper attempts to provide new insights into CR engagement in the growing percutaneous coronary intervention population. Methods and results In total, we analysed data on 59,807 patients who underwent percutaneous coronary intervention during 2013 to 2016 (mean age 65 years; 25% female)...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28633525/use-of-dimethyl-pimelimidate-with-microfluidic-system-for-nucleic-acids-extraction-without-electricity
#11
Choong Eun Jin, Tae Yoon Lee, Bonhan Koo, Kyung-Chul Choi, Suhwan Chang, Se Yoon Park, Ji Yeun Kim, Sung-Han Kim, Yong Shin
The isolation of nucleic acids in the lab on a chip is crucial to achieve the maximal effectiveness of point-of-care testing for detection in clinical applications. Here, we report on the use of a simple and versatile single-channel microfluidic platform that combines dimethyl pimelimidate (DMP) for nucleic acids (both RNA and DNA) extraction without electricity using thin films system. The system is based on the adaption of DMP into non-chaotropic-based nucleic acids and the capture of reagents into a low-cost thin film platform for use as a microfluidic total analysis system, which can be utilized for sample processing in clinical diagnostics...
June 21, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28633382/detecting-predeath-grief-in-family-caregivers-of-persons-with-dementia-validity-and-utility-of-the-marwit-meuser-caregiver-grief-inventory-in-a-multiethnic-asian-population
#12
Tau Ming Liew, Beow Im Yeap, Gerald Choon-Huat Koh, Mihir Gandhi, Kheng Siew Tan, Nan Luo, Philip Yap
Background and Objectives: Coping with predeath grief (PDG) is an unmet need in caregivers of persons with dementia (PWD). The Marwit-Meuser Caregiver Grief Inventory (MM-CGI) and its abbreviated MM-CGI-Short-Form (MM-CGI-SF) are among the few empirically developed scales that detect PDG, yet they have not been substantially validated outside United States. We evaluated the reliability and validity of the PDG scales in a multiethnic Asian population distinct from that of United States...
June 15, 2017: Gerontologist
https://www.readbyqxmd.com/read/28633351/data-compression-can-discriminate-broilers-by-selection-line-detect-haplotypes-and-estimate-genetic-potential-for-complex-phenotypes
#13
N J Hudson, R J Hawken, R Okimoto, R L Sapp, A Reverter
Accurately establishing the relationships among individuals lays the foundation for genetic analyses such as genome-wide association studies and identification of selection signatures. Of particular interest to the poultry industry are estimates of genetic merit based on molecular data. These estimates can be commercially exploited in marker-assisted breeding programs to accelerate genetic improvement. Here, we test the utility of a new method we have recently developed to estimate animal relatedness and applied it to genetic parameter estimation in commercial broilers...
June 15, 2017: Poultry Science
https://www.readbyqxmd.com/read/28633333/anti-natural-octyl-disaccharide-leprosy-idri-diagnostic-ndo-lid-antibodies-as-indicators-of-leprosy-reactions-and-neuritis
#14
Héctor Serrano-Coll, Mónica Muñoz, Juan Camilo Beltrán, Malcolm S Duthie, Nora Cardona-Castro
Background: Leprosy is a complex infectious and neurological disease caused by Mycobacterium leprae. Nerve damage is related to immunological hypersensitivity responses known as leprosy reactions (LRs). Diagnostic tools to predict LRs are not available. We hypothesized that natural octyl disaccharide-leprosy IDRI diagnostic (NDO-LID) would be helpful as an indicator of LRs and neuritis. Methods: To assess the utility of NDO-LID in indicating reactions, ELISA were used to detect specific antibodies in serum samples from 80 Colombian leprosy patients (40 with and 40 without history of LRs)...
March 1, 2017: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28633078/utilization-of-phosphogypsum-and-phosphate-tailings-for-cemented-paste-backfill
#15
Qiusong Chen, Qinli Zhang, Andy Fourie, Chen Xin
This research is an investigation of the feasibility of utilizing phosphogypsum (PG) and phosphate tailings (PTS) for cemented paste backfill. Some experiments were conducted with various combinations of PTS and PG as aggregates, along with slags and/or Portland cement as binders and CaO as an additive. The influence of the PG's ageing time on the consolidation of backfill was also explored. The unconfined compressive strength (UCS), the generated gases and the scanning electron microscope (SEM) were all tested and used in the analysis of backfill characteristics...
June 17, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28632946/emerging-biomarkers-of-illness-severity-urinary-metabolites-associated-with-sepsis-and-necrotizing-methicillin-resistant-staphylococcus-aureus-pneumonia
#16
Lilliam Ambroggio, Todd A Florin, Samir S Shah, Richard Ruddy, Larisa Yeomans, Julie Trexel, Kathleen A Stringer
STUDY OBJECTIVE: To illustrate the potential of metabolomics to identify novel biomarkers of illness severity in a child with fatal necrotizing pneumonia caused by methicillin-resistant Staphylococcus aureus (MRSA). DESIGN: Case report with two control groups and a metabolomics analysis. PATIENTS: An infant with fatal MRSA pneumonia, four children with influenza pneumonia (pneumonia control group), and seven healthy children with no known infections (healthy control group)...
June 20, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28632896/reliability-of-a-novel-approach-for-quadriceps-motor-point-assessment
#17
Ada Weiss, Neal R Glaviano, Jacob Resch, Susan Saliba
INTRODUCTION: We studied the ability of clinicians to identify quadriceps motor points using a transcutaneous electrical stimulation unit(TENS). METHODS: Twenty-two certified athletic trainers and one expert-rater identified the seven motor points of the quadriceps at two time points separated by one week. The difference was calculated between where each participant and the expert-rater identified each motor point using an x-y coordinate system. Bland-Altman plots were used to compare differences between two testing sessions...
June 20, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28632690/noninvasive-nuclear-spect-myocardial-blood-flow-quantitation-to-guide-management-for-coronary-artery-disease
#18
Lung-Ching Chen, Bor-Hsin Jong, Sheng-Che Lin, Chi-Tai Ku, Ing-Jou Chen, Yen-Kung Chen, Bailing Hsu
Recently, myocardial blood flow quantitation with dynamic SPECT has been validated to enhance the detection of multivessel coronary artery disease (CAD) and conclude equivocal SPECT myocardial perfusion study. This advance opened an important clinical application to utilize the tool in guiding CAD management for area where myocardial perfusion tracers for PET are unavailable or unaffordable. We present a clinical patient with ongoing recursive angina who underwent multiple nuclear stress tests for a sequence of CAD evaluation in 26 months and demonstrated that SPECT myocardial blood flow quantitation properly guided CAD management to warrant patient outcome...
June 19, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28632664/outcome-of-low-intensity-pulsed-ultrasound-lipus-for-opening-wedge-high-tibial-osteotomy
#19
Ryusuke Saito, Tsuyoshi Nagase, Tomohiko Tateishi, Sadanori Shimizu, Takuya Kato, Teruhiko Nakagawa, Masamitsu Tsutiya
OBJECTIVE: Opening Wedge High Tibial Osteotomy (OWHTO) for knee osteoarthritis and for osteonecrosis has reported good results. Use of low intensity pulsed ultrasound (LIPUS) after OWHTO had become an option for the treatment of OWHTO since April 2016. The purpose of this study was to examine whether LIPUS has an accelerating effect on synostosis after OWHTO. MATERIALS AND METHODS: The control subjects were 24 patients with a total of 26 knees (9 male with knees and 15 female with 17 knees treated) treated with OWHTO only...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28632565/neuroforaminal-bone-growth-following-minimally-invasive-transforaminal-lumbar-interbody-fusion-with-bmp-a-computed-tomographic-analysis
#20
Junyoung Ahn, Anton Y Jorgensen, Daniel D Bohl, Ehsan Tabaraee, Vincent J Rossi, Khaled Aboushaala, Kern Singh
STUDY DESIGN: Computed tomographic analysis. OBJECTIVE: To identify radiographic patterns of symptomatic neuroforaminal bone growth (NFB) in patients who have undergone a single-level minimally invasive transforaminal lumbar interbody fusion (MIS-TLIF) augmented with bone morphogenetic proteins (BMP) utilizing computed tomography (CT). SUMMARY OF BACKGROUND DATA: BMP induces osteoblast differentiation leading to new bone formation. The association of BMP utilization and heterotopic bone formation after an MIS-TLIF has been described...
July 2017: Clinical Spine Surgery
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