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https://www.readbyqxmd.com/read/28639437/ultrasound-assisted-green-economic-synthesis-of-hydroxyapatite-nanoparticles-using-eggshell-bio-waste-and-study-of-mechanical-and-biological-properties-for-orthopaedic-applications
#1
Vijay H Ingole, Kamal Hany Hussein, Anil A Kashale, Kalyani Ghule, Tomaž Vuherer, Vanja Kokol, Jia-Yaw Chang, Yong-Chien Ling, Aruna Vinchurkar, Hom N Dhakal, Anil V Ghule
Nanostructured hydroxyapatite (HAp) is most favorable candidate biomaterial for bone tissue engineering because of its bioactive and osteoconductive properties. Herein, we report for the first time ultrasound assisted facile and economic approach for the synthesis of nanocrystalline hydroxyapatite (Ca10 (PO4 )6 (OH)2 ) using recycled eggshell bio-waste referred as EHAp. The process involves the reaction of eggshell bio-waste as a source of calcium and ammonium dihydrogen orthophosphate as a phosphate source...
June 22, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28624935/eldecalcitol-an-active-vitamin-d3-derivative-prevents-trabecular-bone-loss-and-bone-fragility-in-type-i-diabetic-model-rats
#2
Satoshi Takeda, Mitsuru Saito, Sadaoki Sakai, Kenji Yogo, Keishi Marumo, Koichi Endo
Diabetes mellitus is known to adversely affect the bones and be associated with increased fracture risk. We examined whether eldecalcitol (ELD), an active vitamin D3 derivative, could inhibit the diabetic bone loss in streptozotocin-induced type I diabetic rats. ELD (10, 20, or 40 ng/kg), alfacalcidol (ALF; 25, 50, or 100 ng/kg), or vehicle was administered 5 times per week for 12 weeks from 1 week after diabetes induction. Normal control rats received the vehicle. Bone turnover markers, bone mineral density (BMD), and biomechanical strength of the lumbar spine and femur were measured, and bone histomorphometry was performed...
June 17, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/28621793/kinetics-and-mechanism-of-oxidation-of-the-anti-tubercular-prodrug-isoniazid-and-its-analog-by-iridium-iv-as-models-for-biological-redox-systems
#3
Jingran Dong, Yanli Ren, Sufang Sun, Jiao Yang, Chunxia Nan, Hongmei Shi, Jianzhong Xu, Jie Duan, Tiesheng Shi, Lars I Elding
A complex reaction mechanism of oxidation of the anti-tubercular prodrug isoniazid (isonicotinic hydrazide, INH) by [IrCl6](2-) as a model for redox processes of such drugs in biological systems has been studied in aqueous solution as a function of pH between 0 and 8.5. Similar experiments have been performed with its isomer nicotinic hydrazide (NH). All reactions are overall second-order, first-order in [IrCl6](2-) and hydrazide, and the observed second-order rate constants k' have been determined as a function of pH...
June 16, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28599966/effect-of-american-college-of-surgeons-trauma-center-designation-on-outcomes-measurable-benefit-at-the-extremes-of-age-and-injury
#4
Michael D Grossman, Jay A Yelon, Lisa Szydiak
BACKGROUND: ACS verification is believed to provide benefits for trauma patients but is associated with direct costs. STUDY DESIGN: One-year retrospective review of the NTDB for 2012. Patients separated into three age groups; Pediatric (PEDS) 0-14, Adult 15-65, and elderly (ELD), >65. We analyzed 2 injury severity cohorts, ISS 9-74 (ALL) and ISS 25-74 (MAJ). Multiple logistic regression to determine significance of ACS verification on mortality and major complications, controlling for age, ISS, shock, GCS, gender, age, co-morbidities and mechanism...
May 18, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28580398/histomorphometric-analysis-of-minimodeling-in-the-vertebrae-in-postmenopausal-patients-treated-with-anti-osteoporotic-agents
#5
Tomohiro Hikata, Tomoka Hasegawa, Keisuke Horiuchi, Nobuyuki Fujita, Akio Iwanami, Kota Watanabe, Ken Ishii, Masaya Nakamura, Norio Amizuka, Morio Matsumoto
Minimodeling is a type of focal bone formation that is characterized by the lack of precedent bone erosion by osteoclasts. Although this form of bone formation has been described for more than a decade, how anti-osteoporotic agents that are currently used in clinical practice affect the kinetics of minimodeling is not fully understood. We performed a bone morphometric analysis using human vertebral specimens collected from postmenopausal patients who underwent spinal surgery. Patients were divided into three groups according to osteoporosis medication; non-treated, Eldecalcitol (ELD, a vitamin D derivative that has recently been approved to treat patients with osteoporosis in Japan)-treated, and bisphosphonate-treated groups...
December 2016: Bone Reports
https://www.readbyqxmd.com/read/28556782/identication-of-interstitial-like-defects-in-a-computer-model-of-glassy-aluminum
#6
Evgenia Goncharova, Roman Konchakov, Andrey Makarov, Nikolai Kobelev, Vitaly A Khonik
MComputer simulation shows that glassy aluminum produced by rapid melt quenching contains a signicant number of "defects" similar to the dumbbell (split) interstitials in the crystalline state. Although these "defects" do not have any clear topological pattern as opposed to the crystal, they can be uniquely identied with the same properties, which are characteristic of these defects in the crystalline structure, i.e. strong sensitivity to the applied shear stress, specic local shear strain elds and distinctive low-/high-frequency peculiarities in the vibration spectra of "defective" atoms...
May 30, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28531154/announcing-the-2017-pharmaceuticals-travel-award-for-young-post-doctoral-researchers
#7
EDITORIAL
Jean Jacques Vanden Eynde
Last year, for the first time in its history, our Journal was able to offer a travel grant of 800 CHF to a young researcher in the field of medicinal chemistry.
May 22, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/28511706/analgesic-antipyretic-use-among-young-children-in-the-teddy-study-no-association-with-islet-autoimmunity
#8
Markus Lundgren, Leigh Johnson Steed, Roy Tamura, Berglind Jonsdottir, Patricia Gesualdo, Claire Crouch, Maija Sjöberg, Gertie Hansson, William A Hagopian, Anette G Ziegler, Marian J Rewers, Åke Lernmark, Jorma Toppari, Jin-Xiong She, Beena Akolkar, Jeffrey P Krischer, Michael J Haller, Helena Elding Larsson
BACKGROUND: The use of analgesic antipyretics (ANAP) in children have long been a matter of controversy. Data on their practical use on an individual level has, however, been scarce. There are indications of possible effects on glucose homeostasis and immune function related to the use of ANAP. The aim of this study was to analyze patterns of analgesic antipyretic use across the clinical centers of The Environmental Determinants of Diabetes in the Young (TEDDY) prospective cohort study and test if ANAP use was a risk factor for islet autoimmunity...
May 16, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28499877/novel-superparamagnetic-microdevices-based-on-magnetized-plga-pla-microparticles-obtained-by-supercritical-fluid-emulsion-and-coating-by-carboxybetaine-functionalized-chitosan-allowing-the-tuneable-release-of-therapeutics
#9
Vincenzo Cricchio, Mark Best, Ernesto Reverchon, Nicola Maffulli, Gary Phillips, Matteo Santin, Giovanna Della Porta
When superparamagnetic nanoparticles (MAG) are loaded within microcarriers of thermosensitive and injectable biopolymers, "smart" microdevices are obtained: they respond to an external magnetic field through the release of any co-encapsulated molecules with a remote on-off control. Creating reliable and effective fabrication technologies for the production of these smart nano/microdevices remains a challenge. In this work, supercritical emulsion extraction technology is proposed for the fabrication of microcapsules with a core of poly-lactic-co-glycolic acid (PLGA) or polylactic acid (PLA) covered by carboxybetaine-functionalized chitosan (f-chi) and loaded with MAG (mean size of 6...
May 10, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28468481/kj%C3%A3-re-allmennpraksis-jeg-sl%C3%A3-r-opp
#10
Catherine Elde Isaksen
No abstract text is available yet for this article.
May 2017: Tidsskrift for Den Norske Lægeforening: Tidsskrift for Praktisk Medicin, Ny Række
https://www.readbyqxmd.com/read/28445138/killer-cell-immunoglobulin-like-receptor-2dl4-is-expressed-in-and-suppresses-the-cell-growth-of-langerhans-cell-histiocytosis
#11
Yusuke Takei, Chiyuki Ueshima, Tatsuki R Kataoka, Masahiro Hirata, Akihiko Sugimoto, Mariyo Rokutan-Kurata, Koki Moriyoshi, Kazuo Ono, Ichiro Murakami, Sanju Iwamoto, Hironori Haga
Killer cell immunoglobulin-like receptor (KIR) 2DL4 (CD158d) is a receptor for human leukocyte antigen-G. The function of KIR2DL4 has been reported in human natural killer cell lymphoma and mastocytosis, but not in Langerhans cell histiocytosis (LCH). Herein, we examined the expression and function of KIR2DL4 in LCHs. In pathological specimens, 27 of 36 LCH cases (75.0%) were immunohistochemically positive for KIR2DL4. Its expression was independent of age, gender, location, multi- or single-system, and the status of BRAFV600E immunostaining...
June 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427120/-arthroscopic-treatment-of-eldly-with-massive-rotator-cuff-tear
#12
J Shen, Y H He, D C Geng, D H Jiang, Y Z Xu
Objective: To investigate the surgical technique and clinical efficacy of arthroscopic treatment of the elderly patients with massive rotator cuff tear. Methods: From June 2012 to June 2015, thirty-six patients with massive rotator cuff tear were treated with arthroscopic and followed up. The visual analog scale(VAS)pain score, University of California Los Angeles (UCLA) scores, Constant scores and American Shoulder and Elbow Surgeons scale(ASES)were used before and after the arthroscopic surgery. Results: All the patients were followed up for average of 18...
April 18, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28410921/a-randomized-trial-to-determine-the-impact-of-a-digestion-resistant-starch-composition-on-the-gut-microbiome-in-older-and-mid-age-adults
#13
Michelle J Alfa, David Strang, Paramjit S Tappia, Morag Graham, Gary Van Domselaar, Jessica D Forbes, Vanessa Laminman, Nancy Olson, Pat DeGagne, David Bray, Brenda-Lee Murray, Brenden Dufault, Lisa M Lix
BACKGROUND: The elderly often have a diet lacking resistant starch (RS) which is thought to lead to gut microbiome dysbiosis that may result in deterioration of gut colonocytes. OBJECTIVE: The primary objective was to assess if elderly (ELD; ≥ 70 years age) had microbiome dysbiosis compared to mid-age (MID; 30-50 years age) adults and then determine the impact of daily consumption of MSPrebiotic(®) (a RS) or placebo over 3 months on gut microbiome composition...
March 31, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28397581/comparison-of-the-effects-of-denosumab-with-either-active-vitamin-d-or-native-vitamin-d-on-bone-mineral-density-and-bone-turnover-markers-in-postmenopausal-osteoporosis
#14
Takako Suzuki, Yukio Nakamura, Mizue Tanaka, Mikio Kamimura, Shota Ikegami, Shigeharu Uchiyama, Hiroyuki Kato
Osteoporosis is a worldwide health concern. Although treatment with denosumab plus the active vitamin D alfacalcidol has been found to improve femoral neck (FN) and distal forearm bone mineral density (BMD), there have been no reports on the efficacy or adverse effects of denosumab plus eldecalcitol (ELD) in primary osteoporosis patients. Fifty-six treatment-naïve post-menopausal women with primary osteoporosis were recruited and divided into denosumab plus native vitamin D or denosumab plus ELD. Ultimately, 26 subjects in the native vitamin D group and 24 in the ELD group were analyzed...
April 11, 2017: Modern Rheumatology
https://www.readbyqxmd.com/read/28388722/thyroid-and-islet-autoantibodies-predict-autoimmune-thyroid-disease-at-type-1-diabetes-diagnosis
#15
Berglind Jonsdottir, Christer Larsson, Annelie Carlsson, Gun Forsander, Sten Anders Ivarsson, Åke Lernmark, Johnny Ludvigsson, Claude Marcus, Ulf Samuelsson, Eva Örtqvist, Helena Elding Larsson
Context: Screening of autoimmune thyroid disease in children with type 1 diabetes is important but varies between clinics. Objective: To determine the predictive value of thyroid autoantibodies, thyroid function, islet autoantibodies, and HLA-DQ at diagnosis of type 1 diabetes for autoimmune thyroid disease during follow-up. Setting: Forty-three Swedish pediatric endocrinology units. Design, Patients, and Main Outcome Measures: At diagnosis of type 1 diabetes, autoantibodies against thyroid peroxidase (TPOAb), thyroglobulin (TGAb), glutamic acid decarboxylase (GADA), insulin, insulinoma-associated protein-2, and 3 variants of zinc transporter 8 (ZnT8W/R/QA) HLA-DQA1-B1 genotypes and thyroid function were analyzed in 2433 children...
April 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28386710/the-effect-of-using-a-robust-optimality-criterion-in-model-based-adaptive-optimization
#16
Eric A Strömberg, Andrew C Hooker
Optimizing designs using robust (global) optimality criteria has been shown to be a more flexible approach compared to using local optimality criteria. Additionally, model based adaptive optimal design (MBAOD) may be less sensitive to misspecification in the prior information available at the design stage. In this work, we investigate the influence of using a local (lnD) or a robust (ELD) optimality criterion for a MBAOD of a simulated dose optimization study, for rich and sparse sampling schedules. A stopping criterion for accurate effect prediction is constructed to determine the endpoint of the MBAOD by minimizing the expected uncertainty in the effect response of the typical individual...
April 6, 2017: Journal of Pharmacokinetics and Pharmacodynamics
https://www.readbyqxmd.com/read/28361371/regional-differences-in-health-related-quality-of-life-in-elderly-heart-failure-patients-results-from-the-cibis-eld-trial
#17
Mira-Lynn Chavanon, Simone Inkrot, Christine Zelenak, Elvis Tahirovic, Dragana Stanojevic, Svetlana Apostolovic, Aleksandra Sljivic, Arsen D Ristic, Dragan Matic, Goran Loncar, Jovan Veskovic, Marija Zdravkovic, Mitja Lainscak, Burkert Pieske, Christoph Herrmann-Lingen, Hans-Dirk Düngen
AIM: Patient-reported outcomes such as health-related quality of life (HRQoL) are main treatment goals for heart failure (HF) and therefore endpoints in multinational therapy trials. However, little is known about country-specific differences in HRQoL and in treatment-associated HRQoL improvement. The present work sought to examine those questions. METHODS AND RESULTS: We analysed data from the Cardiac Insufficiency Bisoprolol Study in Elderly (CIBIS-ELD) trial, in which patients from central and south-eastern Europe completed the HRQoL questionnaire SF-36 at baseline and the end of a 12-week beta-blocker up-titration (follow-up)...
March 30, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28331772/an-automated-gravity-driven-csf-drainage-system-decreases-complications-and-lowers-costs
#18
Robert E Lieberson, Jan Eckermann, William Meyer, Tung Trang
BACKGROUND: FlowSafe(TM) (BeckerSmith Medical, Irvine, CA, USA) is a novel, robotic, external lumbar drainage (ELD) system, which was designed to control cerebrospinal fluid (CSF) drainage, reduce complications, and decrease treatment costs. METHODS:  Forty-seven consecutive neurosurgical patients requiring ELD were treated using the FlowSafe system. RESULTS: In 39 of 40 patients with traumatic and surgical dural openings, potential CSF leaks were avoided...
February 3, 2017: Curēus
https://www.readbyqxmd.com/read/28287414/an-optically-pumped-magnetometer-working-in-the-light-shift-dispersed-mz-mode
#19
Volkmar Schultze, Bastian Schillig, Rob IJsselsteijn, Theo Scholtes, Stefan Woetzel, Ronny Stolz
We present an optically pumped magnetometer working in a new operational mode-the light-shift dispersed Mz (LSD-Mz) mode. It is realized combining various features; (1) high power off-resonant optical pumping; (2) Mz configuration, where pumping light and magnetic field of interest are oriented parallel to each other; (3) use of small alkali metal vapor cells of identical properties in integrated array structures, where two such cells are pumped by circularly polarized light of opposite helicity; and (4) subtraction of the Mz signals of these two cells...
March 10, 2017: Sensors
https://www.readbyqxmd.com/read/28235885/attitudes-towards-end-of-life-decisions-in-case-of-long-term-care-dependency-a-survey-among-the-older-population-in-austria
#20
Erwin Stolz, Hannes Mayerl, Anja Waxenegger, Éva Rásky, Wolfgang Freidl
BACKGROUND: Research on attitudes towards end-of-life decisions (ELDs) contextually most often refers to the very end of life, that is, to situations of terminally ill patients or severe pain, but it is rarely applied to the broader context of long-term care dependency in old age. METHODS: In a representative survey among older Austrians (50+, n=968), respondents were asked about their approval of assisted suicide and euthanasia (EUT) when requested by an older, severely care-dependent person...
February 24, 2017: Journal of Medical Ethics
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