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https://www.readbyqxmd.com/read/28808736/the-role-of-isolated-posterior-cruciate-ligament-reconstruction-in-knees-with-combined-posterior-cruciate-ligament-and-posterolateral-complex-injury
#1
REVIEW
Dong-Yeong Lee, Young-Jin Park, Dong-Hee Kim, Hyun-Jung Kim, Dae-Cheol Nam, Jin-Sung Park, Sun-Chul Hwang
PURPOSE: This is a meta-analysis comparing biomechanical outcomes to determine whether an isolated posterior cruciate ligament (PCL) reconstruction can restore normal knee kinematics in a combined PCL/posterolateral complex (PLC) injury and whether double-bundle (DB) PCL reconstruction is superior in controlling posterior and rotational laxity compared with single-bundle (SB) PCL reconstruction in a PCL/PLC-deficient knee. METHODS: A number of electronic databases were searched for relevant articles published through August 2016 that compared biomechanical outcomes of PCL reconstruction in patients who underwent reconstruction for combined PCL/PLC deficiencies...
August 14, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28808635/effect-of-dentin-biomodifiers-on-the-immediate-and-long-term-bond-strengths-of-a-simplified-etch-and-rinse-adhesive-to-dentin
#2
Payal Singh, Rajni Nagpal, Udai Pratap Singh
OBJECTIVES: This in vitro study evaluated the effect of dentin biomodifiers on the immediate and long-term bond strengths of a simplified etch and rinse adhesive to dentin. MATERIALS AND METHODS: Flat coronal dentin surfaces were prepared in 120 extracted human molars. Teeth were randomly divided into 5 groups (n = 24) according to 5 different surface pre-treatments: No pre-treatment (control); 1M carbodiimide (EDC); 0.1% epigallocatechin-3-gallate (EGCG); 2% minocycline (MI); 10% sodium ascorbate (SA)...
August 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28808598/synthesis-characterization-and-adsorptive-properties-of-fe3o4-go-nanocomposites-for-antimony-removal
#3
Xiuzhen Yang, Tengzhi Zhou, Bozhi Ren, Zhou Shi, Andrew Hursthouse
A magnetic Fe3O4/GO composite with potential for rapid solid-liquid separation through a magnetic field was synthesized using GO (graphene oxide) and Fe3O4 (ferriferous oxide). Characterization of Fe3O4/GO used scanning electron microscope (SEM), X-ray diffractometer (XRD), Fourier transform infrared spectrometer (FT-IR), and Vibrating Sample Magnetometer (VSM). A number of factors such as pH and coexisting ions on adsorbent dose were tested in a series of batch experiments. The results showed that GO and Fe3O4 are strongly integrated...
2017: Journal of Analytical Methods in Chemistry
https://www.readbyqxmd.com/read/28807851/toxic-pyrrolizidine-alkaloids-provide-a-warning-sign-to-overuse-of-the-ethnomedicine-arnebia-benthamii
#4
Latif Ahmad, He Yi, Jia-Chen Hao, Andrew Semotiuk, Quan-Ru Liu, Paras Mazari
ETHNOPHARMACOLOGICAL RELEVANCE: From early times man has used medicinal plants for the treatment of various ailments and basic health care needs. The use of herbal medicines has increased day by day and with this, so do reports of adverse events, poisoning, and suspected toxicity. Similarly, the indigenous communities of Neelum Valley in Azad Kashmir commonly use Arnebia benthamii (Wall. ex G.Don) I.M.Johnst. for medicinal purposes to treat various human aliments. Besides their medicinal uses, it also contains hepatotoxic pyrrolizidine alkaloids (PAs)...
August 11, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28807776/sleep-behaviors-in-children-with-different-frequencies-of-parental-reported-sleep-bruxism
#5
Claudia Restrepo, Daniele Manfredini, Frank Lobbezoo
OBJECTIVE: Knowledge on the relationship between sleep bruxism (SB) and sleep behaviors in children is still fragmental, especially when socioeconomic factors are concerned. To assess sleep behaviors in children with different frequencies of proxy-reported SB. METHODS: Parents of 1475 Colombian children, aged 9.8±1.6years, belonging to 3 different social layers, filled out a questionnaire on their childreńs sleep (Childreńs Sleep Habits Questionnaire [CSHQ])...
August 11, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28806571/separation-and-characterization-of-allergic-polymerized-impurities-in-cephalosporins-by-2d-hpsec%C3%A3-lc-it-tof-ms
#6
Yu Xu, DanDan Wang, Lan Tang, Jian Wang
Eleven unknown allergic impurities in cefodizime, cefmenoxime and cefonicid were separated and characterized by a trap-free two-dimensional high performance size exclusion chromatography (HPSEC) and reversed phase liquid chromatography (RP-HPLC) coupled to high resolution ion trap/time-of-flight mass spectrometry (2D-HPSEC×LC-IT-TOF MS) with positive and negative modes of electrospray ionization method. Separation and characterization the allergic polymerized impurities in β-lactam antibiotics were on the basis of column-switching technique which effectively combined the advantages of HPSEC and the ability of RP-HPLC to identify the special impurities...
August 2, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28805272/clinical-phenotype-of-south-east-asian-temporomandibular-disorder-patients-with-upper-airway-resistance-syndrome
#7
David K L Tay, Kenny P Pang
OBJECTIVE: To document the clinical phenotype of temporomandibular disorder (TMD) patients with concomitant upper airway resistance syndrome (UARS) in a South East Asian population. STUDY DESIGN: A multi-center prospective series of 86 TMD patients (26 men and 60 women / mean age 35.7 years) with UARS. All had excessive daytime sleepiness, high arousal index and apnea-hypopnea index (AHI)<5 RESULTS: The mean body mass index was 20.1, mean arousal index 16.2, mean respiratory disturbance index 19...
August 14, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28804669/research-on-the-characteristics-and-mechanism-of-the-cumulative-release-of-antimony-from-an-antimony-smelting-slag-stacking-area-under-rainfall-leaching
#8
Bozhi Ren, Yingying Zhou, Andrew S Hursthouse, Renjian Deng
We aimed to study the characteristics and the mechanism of the cumulative release of antimony at an antimony smelting slag stacking area in southern China. A series of dynamic and static leaching experiments to simulate the effects of rainfall were carried out. The results showed that the release of antimony from smelting slag increased with a decrease in the solid-liquid ratio, and the maximum accumulated release was found to be 42.13 mg Sb/kg waste and 34.26 mg Sb/kg waste with a solid/liquid ratio of 1 : 20; the maximum amount of antimony was released within 149-420 μm size fraction with 7...
2017: Journal of Analytical Methods in Chemistry
https://www.readbyqxmd.com/read/28803194/calculation-and-application-of-sb-toxicity-coefficient-for-potential-ecological-risk-assessment
#9
Ningning Wang, Aihua Wang, Linghao Kong, Mengchang He
The potential ecological risk index (RI) is a diagnostic tool for pollution control which integrate the concentration of heavy metals with ecological effect, environmental effect and toxicity. However, the lack of toxicity coefficients for specific heavy metals limits its widespread use. In this study, we calculated the toxicity coefficient (=7) for antimony (Sb) based on Hakanson's principles, thus broadening the range of potential applications of this risk assessment tool. Taking the case of Xikuangshan (XKS), the largest Sb mine in the world, we predicted the potential ecological risk factor (Er(i)) of Sb for sediment and soil...
August 10, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28802878/prehospital-sodium-bicarbonate-use-could-worsen-long-term-survival-with-favorable-neurological-recovery-among-patients-with-out-of-hospital-cardiac-arrest
#10
Takahisa Kawano, Brian Grunau, Frank X Scheuermeyer, Koichiro Gibo, William Dick, Christopher B Fordyce, Paul Dorian, Robert Stenstrom, Ronald Straight, Jim Christenson
BACKGROUND: Sodium bicarbonate (SB) is widely used for resuscitation in out-of- hospital cardiac arrest (OHCA); however, its effect on long term outcomes is unclear. METHODS: From 2005 to 2016, we prospectively conducted a province-wide population-based observational study including adult non-traumatic OHCA patients managed by paramedics. SB was administered by paramedics based on their clinical assessments. To examine the association of SB administration and survival and favorable neurological outcome to hospital discharge, defined as modified Rankin scale of 3 or less, we performed a multivariable logistic regression analysis: (1) within propensity score matched comparison groups, and; (2) within the full cohort with missing variables addressed by multiple imputation techniques...
August 9, 2017: Resuscitation
https://www.readbyqxmd.com/read/28801743/investigation-of-an-optimal-cell-lysis-method-for-the-study-of-the-zinc-metalloproteome-of-histoplasma-capsulatum
#11
Anna M Donnell, Stephanie Lewis, Sami Abraham, Kavitha Subramanian, Julio Landero Figueroa, George S Deepe, Anne P Vonderheide
This work sought to assess optimal extraction conditions in the study of the metalloproteome of the dimorphic fungus Histoplasma capsulatum. One of the body's responses to H. capsulatum infection is sequestration of zinc within host macrophage (MØ), as reported by Vignesh et al. (Immunity 39:697-710, 2013) and Vignesh et al. (PLOS Pathog 9:E1003815, 2013). Thus, metalloproteins containing zinc were of greatest interest as it plays a critical role in survival of the fungus. One challenge in metalloproteomics is the preservation of the native structure of proteins to retain non-covalently bound metals...
August 12, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28800736/using-computer-mobile-and-wearable-technology-enhanced-interventions-to-reduce-sedentary-behaviour-a-systematic-review-and-meta-analysis
#12
REVIEW
Aoife Stephenson, Suzanne M McDonough, Marie H Murphy, Chris D Nugent, Jacqueline L Mair
BACKGROUND: High levels of sedentary behaviour (SB) are associated with negative health consequences. Technology enhanced solutions such as mobile applications, activity monitors, prompting software, texts, emails and websites are being harnessed to reduce SB. The aim of this paper is to evaluate the effectiveness of such technology enhanced interventions aimed at reducing SB in healthy adults and to examine the behaviour change techniques (BCTs) used. METHODS: Five electronic databases were searched to identify randomised-controlled trials (RCTs), published up to June 2016...
August 11, 2017: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/28800679/the-short-chain-fatty-acid-sodium-butyrate-exerts-protective-effects-through-ameliorating-blood-milk-barrier-disruption-and-modulating-inflammatory-response-in-lipopolysaccharide-induced-mastitis-model
#13
Jing-Jing Wang, Zheng-Kai Wei, Xu Zhang, Ya-Nan Wang, Yun-He Fu, Zheng-Tao Yang
BACKGROUND AND PURPOSE: Short-chain fatty acids (SCFAs) are fermentation end products produced by the gut bacteria,which have been shown to ameliorate inflammatory bowel diseases (IBD) and allergic asthma. However, the mechanism involved remains largely unknown. Here, we investigate the protective effects and mechanisms of sodium butyrate (SB) on lipopolysaccharide (LPS)-induced mastitis model. EXPERIMENTAL APPROACH: Effects of increasing doses of SB on blood-milk barrier function and inflammation are studied in LPS-induced mastitis...
August 11, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28800484/characteristics-of-elemental-and-pb-isotopic-compositions-in-aerosols-pm10-2-5-at-the-ieodo-ocean-research-station-in-the-east-china-sea
#14
Sanghee Lee, Changhee Han, Daechol Shin, Soon Do Hur, Seong Joon Jun, Young-Taeg Kim, Do-Seong Byun, Sungmin Hong
A total of 82 aerosol samples (PM10-2.5) were collected from June 18, 2015 to October 1, 2016 at the remote sea site, the Ieodo Ocean Research Station (IORS), in the East China Sea. Samples were analyzed for 10 elements (Al, Fe, Cu, Zn, As, Mo, Cd, Sb, Tl, and Pb) as well as Pb isotopic composition to characterize temporal variations in elemental concentration levels, and to identify the potential source regions of atmospheric pollutants transported over the remote East China Sea. The results showed that the annual average element concentrations were lowest compared to those at different sites in East Asia, suggesting a very clean background area of IORS, with values ranging from 114 ng m(-3) for Al to 0...
August 8, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28797146/qualitative-and-quantitative-characterisation-of-adsorption-mechanisms-of-lead-on-four-biochars
#15
Zhengtao Shen, Yiyun Zhang, Fei Jin, Oliver McMillan, Abir Al-Tabbaa
The adsorption mechanisms of lead (Pb(2+)) on four biochars (SB produced from British hardwood at 600°C and three standard biochars produced from wheat straw pellets at 700°C (WSP700), rice husk at 700°C (RH700) and soft wood pellets at 550°C (SWP550)) were characterised qualitatively and quantitatively, using a combination of chemical and micro-structural methods. Sequential extraction test results show that Pb(2+) was predominantly adsorbed on SB (85.31%), WSP700 (75.61%) and RH700 (85.76%) as acidic soluble fraction, which was potentially bioavailable if applied in soil...
August 6, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28796130/the-effects-of-superset-configuration-on-kinetic-kinematic-and-perceived-exertion-in-the-barbell-bench-press
#16
Jonathon Js Weakley, Kevin Till, Dale B Read, Padraic J Phibbs, Gregory Roe, Joshua Darrall-Jones, Ben L Jones
Training that is efficient and effective is of great importance to an athlete. One method of improving efficiency is by incorporating supersets into resistance training routines. However, the structuring of supersets is still unexplored. Therefore, the purpose of this study was to assess the effects of agonist-antagonist (A-A), alternate peripheral (A-P), and similar biomechanical (SB) superset configurations on rate of perceived exertion (RPE), kinetic and kinematic changes during the bench press. 10 subjects performed resistance training protocols in a randomized-crossover design, with magnitude-based inferences assessing changes/differences within and between protocols...
August 4, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28795898/from-feeling-broken-to-looking-beyond-broken-palestinian-mothers-experiences-of-having-a-child-with-spina-bifida
#17
Maha Sudki Hmeidan Nahal, Helena Wigert, Asma Imam, Åsa B Axelsson
Spina bifida (SB) is the second most common birth defect worldwide. Mothers of children with SB face extraordinary challenges due to the complicated conditions and disability of their children. Little is known about the impact of these challenges on the mothers' well-being, particularly in Middle Eastern culture, where chronic illness and disability are perceived as a stigma, and care of disabled children has traditionally been the responsibility of the mother. The aim of this study was to illuminate mothers' lived experience of having a child with SB in Palestine...
May 2017: Journal of Family Nursing
https://www.readbyqxmd.com/read/28792042/sequestration-of-pb-zn-sb-and-as-bearing-incidental-nanoparticles-by-mineral-surface-coatings-and-mineralized-organic-matter-in-soils
#18
Michael Schindler, Michael F Hochella
Nanoparticles (NPs) often play significant roles in dictating the transport, distribution, bioavailability and toxicity of contaminants in the environment. Incidental NPs (i.e. NPs of anthropogenic origin but not purposely engineered) are often overlooked in contaminant transport and fate studies; yet in many systems they dominate contaminant transport processes. Using surficial contaminated regosols from Trail, British Columbia, Canada, a metal smelting and refining area along the banks of the Columbia River, we show that sequestration of Pb-, Zn-, Sb-, and As-bearing incidental NPs is strongly influenced by their aggregation, crystal growth, and/or particle attachment to mineral surface coatings (MSC) and in mineralized organic matter (MOM)...
August 16, 2017: Environmental Science. Processes & Impacts
https://www.readbyqxmd.com/read/28791460/migration-of-ag-in-sn-sb-and-bi-and-their-chemical-forms-in-a-monolith-lysimeter-filled-with-a-contaminated-andosol
#19
Tomoyoshi Murata, Masami K Koshikawa, Mirai Watanabe, Hong Hou, Takejiro Takamatsu
Despite the wide use of trace metals in various technologies, such as chemical industries and electronic equipment, insufficient information is available on their behavior in the environment. We investigated changes in chemical forms and vertical distribution during the migration processes of trace metals, whose usage is currently increasing rapidly, such as Ag, In, Sn, Sb, and Bi, in soil contaminated with the equivalent of 50-100 times the background concentrations of these metals using an indoor control type monolith lysimeter filled with Andosol during an 8-year monitoring period...
August 8, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28791424/-to-stent-or-not-to-stent-immediate-emergency-surgery-with-laparoscopic-radical-colectomy-with-cme-and-primary-anastomosis-is-feasible-for-obstructing-left-colon-carcinoma
#20
Salomone Di Saverio, Arianna Birindelli, Edoardo Segalini, Matteo Novello, Anna Larocca, Francesco Ferrara, Gian Andrea Binda, Marco Bassi
Great debate exists in the initial acute management of large bowel obstruction from obstructing left colon carcinoma. While endoscopic stenting is well established as the first approach in the setting of palliative care of patients with advanced metastatic disease as well as a bridge to elective surgery in elderly patients who have an increased risk of postoperative mortality (age >70 years and/or ASA status ≥3), controversies exist regarding oncological safety and long-term outcomes of endoscopic colonic stenting in younger patients and ESGE Guidelines do not recommend SEMS placement in patients <70 and fit for curative surgery...
August 8, 2017: Surgical Endoscopy
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