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https://www.readbyqxmd.com/read/28226507/theranostic-microwave-applicator-suitable-for-minimal-invasive-therapy-of-malignant-tissue
#1
Carolin Reimann, Margarita Puentes, Martin Schusler, Frank Hubner, Babak Bazrafshan, Thomas J Vogl, Rolf Jakoby, Carolin Reimann, Margarita Puentes, Martin Schusler, Frank Hubner, Babak Bazrafshan, Thomas J Vogl, Rolf Jakoby, Rolf Jakoby, Carolin Reimann, Babak Bazrafshan, Thomas J Vogl, Frank Hubner, Margarita Puentes
A microwave applicator is presented that realizes the theranostic approach by providing two operation modes to detect and treat tumor cells, exemplary in the liver. The tool is based on a planar sensor structure with Split Ring Resonators (SRR) as key elements. For the detection, changes in dielectric properties caused by tissue abnormalities are evaluated by analyzing shifts in the resonance frequency of the SRR. For the treatment mode, the input power is amplified to the specific resonance frequency and microwave ablation is performed...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225328/srr-winter-2016-abstracts
#2
(no author information available yet)
No abstract text is available yet for this article.
March 2017: Clinical Rehabilitation
https://www.readbyqxmd.com/read/28225327/srr-summer-2016-abstracts
#3
(no author information available yet)
No abstract text is available yet for this article.
March 2017: Clinical Rehabilitation
https://www.readbyqxmd.com/read/28223125/different-doses-of-strontium-ranelate-and-mechanical-vibration-modulate-distinct-responses-in-the-articular-cartilage-of-ovariectomized-rats
#4
A G H Mierzwa, J F Campos, M F Jesus, H B Nader, M Lazaretti-Castro, R D Reginato
OBJECTIVE: To investigate the effects of different strontium ranelate (SrR) doses alone or in combination with low-intensity and high-frequency mechanical vibration (MV) on articular cartilage in ovariectomized rats. DESIGN: Fifty 6-month-old female Wistar rats underwent ovariectomy and after three months were divided into: control group (Control); SrR 300mg/kg/day (SrR300); SrR 625mg/kg/day (SrR625); mechanical vibration (MV); SrR 625mg/kg/day plus MV (SrR625+MV)...
February 18, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28196329/breastfeeding-mode-and-risk-of-breast-cancer
#5
Mishel Unar-Munguía, Gabriela Torres-Mejía, M Arantxa Colchero, Teresita González de Cosío
BACKGROUND: Breastfeeding reduces women's risk of breast cancer. Since exclusive breastfeeding has a stronger hormonal effect, it could theoretically result in a greater reduction in breast cancer risk than any breastfeeding mode. No meta-analysis has examined breast cancer risk by breastfeeding mode. Research aim: The authors conducted a meta-analysis for breast cancer risk in parous women who breastfed exclusively or in any mode versus parous women who formula fed their infants, and they estimated the summary dose-response association by the accumulated duration of any breastfeeding mode...
February 1, 2017: Journal of Human Lactation: Official Journal of International Lactation Consultant Association
https://www.readbyqxmd.com/read/28187786/low-renal-replacement-therapy-incidence-among-slowly-progressing-elderly-chronic-kidney-disease-patients-referred-to-nephrology-care-an-observational-study
#6
Ulrika Hahn Lundström, Alessandro Gasparini, Rino Bellocco, Abdul Rashid Qureshi, Juan-Jesus Carrero, Marie Evans
BACKGROUND: Elderly patients with advanced chronic kidney disease (CKD) have a high risk of death before reaching end-stage kidney disease. In order to allocate resources, such as advanced care nephrology where it is most needed, it is essential to know which patients have the highest absolute risk of advancing to renal replacement therapy (RRT). METHODS: We included all nephrology-referred CKD stage 3b-5 patients in Sweden 2005-2011 included in the Swedish renal registry (SRR-CKD) who had at least two serum creatinine measurements one year apart (+/- 6 months)...
February 10, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28094052/the-association-of-cancer-risks-with-pentachlorophenol-exposure-focusing-on-community-population-in-the-areas-along-certain-section-of-yangtze-river-in-china
#7
Yanjie Cui, Ling Liang, Qi Zhong, Qian He, Xiaomei Shan, Keyang Chen, Fen Huang
Pentachlorophenol (PCP) was used in large quantities, and mainly for killing the intermediate host snails of schistosome in China, thereby resulting in ubiquitous PCP residue in the environment. However, studies considering the carcinogenicity of PCP for humans mainly focused on occupational workers, and the actual carcinogenicity of PCP for general population is uncertain. To investigate the association between cancer risks and PCP exposure in a community population, an ecological study was conducted in three contaminated areas along the Yangtze River...
January 13, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28092725/strontium-ranelate-a-promising-disease-modifying-osteoarthritis-drug
#8
Weiyu Han, Shicai Fan, Xiaochun Bai, Changhai Ding
The articular cartilage and subchondral bone may have potential crosstalk in the development and progression of osteoarthritis (OA). Strontium ranelate (SrR) has the ability to dissociate the bone remodeling process and to change the balance between bone resorption and bone formation. Its effect on subchondral bone makes it a potential disease- modifying osteoarthritis drug (DMOAD) in the treatment of OA. The aim of the current review is to summarize up-to-date pharmacological and clinical data of SrR for OA treatment...
January 25, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28078921/regional-differences-in-mortality-hospital-discharges-and-primary-care-contacts-for-cardiovascular-disease
#9
Sigridur Haraldsdottir, Sigurdur Gudmundsson, Guđmundur Thorgeirsson, Sigrun H Lund, Unnur A Valdimarsdottir
AIMS: Surveillance of geographical variations in cardiovascular health is important in order to achieve the objectives of reducing regional health disparities. We aimed to explore differences in cardiovascular disease (CVD) mortality and prevalence of CVD diagnoses made in primary and in-patient care, as well as risk factor distribution by geographic regions (urban/rural) in Iceland. METHODS: From nationwide health registers, we obtained data on CVD mortalities ( N = 7113), primary healthcare CVD contacts ( N = 58,246) and hospital CVD discharges ( N = 14,039), as well as data on CVD risk factors from a national health survey ( N = 5909; response rate 60...
January 1, 2017: Scandinavian Journal of Public Health
https://www.readbyqxmd.com/read/28067550/association-between-consumption-of-soy-and-risk-of-cardiovascular-disease-a-meta-analysis-of-observational-studies
#10
Zhaoli Yan, Xinyue Zhang, Chunlin Li, Shouchun Jiao, Wenyao Dong
Background The relationships between dietary intake of soy foods and risk of cardiovascular disease are uncertain. The aims of this study were to evaluate and summarize the evidence on the association between consumption of soy and risk of cardiovascular disease (including stroke and coronary heart disease). Methods We systematically searched the MEDLINE and EMBASE databases from their inception up to 22 February 2016. We included only observational studies, and used random-effects models to calculate summary relative risks (SRRs) and 95% confidence intervals (CIs)...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28059401/single-sideband-photonic-microwave-generation-with-an-optically-injected-quantum-dot-semiconductor-laser
#11
Chih-Ying Chen, Chih-Hao Cheng, Fan-Yi Lin
We studied single-sideband (SSB) photonic microwave generation with a high sideband rejection ratio (SRR) based on the period-one dynamical states of an optically injected quantum-dot (QD) semiconductor laser and demonstrated that the SSB signals have SRRs of approximately 15 dB higher than those generated with a conventional quantum-well semiconductor laser under conditions of optimal microwave power. The enhancement of SRR in the QD laser, which is important in mitigating the power penalty effect in applications such as radio-over-fiber optical communications, could be primarily attributed to a lower carrier decay rate in the dots, smaller linewidth enhancement factor, and reduced photon decay rate...
December 26, 2016: Optics Express
https://www.readbyqxmd.com/read/28059143/influence-of-coronary-artery-disease-and-subclinical-atherosclerosis-related-polymorphisms-on-the-risk-of-atherosclerosis-in-rheumatoid-arthritis
#12
Raquel López-Mejías, Alfonso Corrales, Esther Vicente, Montserrat Robustillo-Villarino, Carlos González-Juanatey, Javier Llorca, Fernanda Genre, Sara Remuzgo-Martínez, Trinidad Dierssen-Sotos, José A Miranda-Filloy, Marco A Ramírez Huaranga, Trinitario Pina, Ricardo Blanco, Juan J Alegre-Sancho, Enrique Raya, Verónica Mijares, Begoña Ubilla, Iván Ferraz-Amaro, Carmen Gómez-Vaquero, Alejandro Balsa, Francisco J López-Longo, Patricia Carreira, Isidoro González-Álvaro, J Gonzalo Ocejo-Vinyals, Luis Rodríguez-Rodríguez, Benjamín Fernández-Gutiérrez, Santos Castañeda, Javier Martín, Miguel A González-Gay
A genetic component influences the development of atherosclerosis in the general population and also in rheumatoid arthritis (RA). However, genetic polymorphisms associated with atherosclerosis in the general population are not always involved in the development of cardiovascular disease (CVD) in RA. Accordingly, a study in North-American RA patients did not show the association reported in the general population of coronary artery disease with a series of relevant polymorphisms (TCF21, LPA, HHIPL1, RASD1-PEMT, MRPS6, CYP17A1-CNNM2-NT5C2, SMG6-SRR, PHACTR1, WDR12 and COL4A1-COL4A2)...
January 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28052066/effects-of-strontium-ranelate-on-spinal-interbody-fusion-surgery-in-an-osteoporotic-rat-model
#13
Tsung-Ting Tsai, Ching-Lung Tai, Natalie Yi-Ju Ho, Po-Liang Lai, Tsai-Sheng Fu, Chi-Chien Niu, Lih-Huei Chen, Wen-Jer Chen
Osteoporosis is a bone disease that afflicts millions of people around the world, and a variety of spinal integrity issues, such as degenerative spinal stenosis and spondylolisthesis, are frequently concomitant with osteoporosis and are sometimes treated with spinal interbody fusion surgery. Previous studies have demonstrated the efficacy of strontium ranelate (SrR) treatment of osteoporosis in improving bone strength, promoting bone remodeling, and reducing the risk of fractures, but its effects on interbody fusion surgery have not been adequately investigated...
2017: PloS One
https://www.readbyqxmd.com/read/28000770/angle-and-polarization-insensitive-metamaterial-absorber-using-via-array
#14
Daecheon Lim, Dongju Lee, Sungjoon Lim
In this paper, we propose an angle- and polarization-insensitive metamaterial absorber. We design a metamaterial unit cell that is based on a split ring cross resonator (SRCR). We observe that the absorption frequency and absorption ratio are insensitive to incident angles when a via array surrounds the SRR. We demonstrate the effect of the via array using full-wave simulations by comparing the absorptivity of the SRCR with and without the via array. Because of the symmetric geometry, we also realize polarization insensitivity...
December 21, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27995560/racial-disparities-in-above-knee-amputations-after-tka-a-national-database-study
#15
Jaiben George, Suparna M Navale, Nicholas K Schiltz, Miguel Siccha, Alison K Klika, Carlos A Higuera
BACKGROUND: Above-knee amputation (AKA) is a rare but devastating complication of TKA. Although racial disparities have been previously reported in the utilization of TKA, it is unclear whether disparities exist in the rates of AKA after TKA. QUESTIONS/PURPOSES: (1) Which gender-racial group has the highest rate of AKA from septic and aseptic complications of TKA? (2) Which age groups have higher rates of AKA from septic and aseptic complications of TKA? METHODS: Using National Inpatient Sample data from 2000 to 2011, AKAs resulting from complications of TKA were identified using a combination of International Classification of Diseases, 9th Revision procedure and diagnosis codes...
December 19, 2016: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27994515/dose-dependent-effects-of-strontium-ranelate-on-ovariectomy-rat-bone-marrow-mesenchymal-stem-cells-and-human-umbilical-vein-endothelial-cells
#16
Xiaojing Guo, Silong Wei, Mengmeng Lu, Zhengwei Shao, Jiayu Lu, Lunguo Xia, Kaili Lin, Derong Zou
In clinic, strontium ranelate (SrR) is a useful drug to treat osteoporosis by orally taken method, but some side effect appeared in recent years. The aim of this study is to evaluate the effectiveness and safety of SrR on cells by direct application, to study the possibility of local application of this drug. Qualitative ALP staining, quantitative ALP activity assay, alizarin red staining, realtime PCR and westernblot assay were used to evaluate the osteogenesis ability of SrR under normal or osteogenic induction environment of ovariectomy bone marrow mesenchymal stem cells (OVX-BMSCs)...
2016: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/27978606/level-of-genetic-differentiation-affects-relative-performances-of-expressed-sequence-tag-and-genomic-ssrs
#17
Aurélie Khimoun, Anthony Ollivier, Bruno Faivre, Stéphane Garnier
Microsatellites, also called simple sequence repeats (SSRs), are markers of choice to estimate relevant parameters for conservation genetics, such as migration rates, effective population size and kinship. Cross-amplification of SSRs is the simplest way to obtain sets of markers, and highly conserved SSRs have recently been developed from expressed sequence tags (EST) to improve SSR cross-species utility. As EST-SSRs are located in coding regions, the higher stability of their flanking regions reduces the frequency of null alleles and improves cross-species amplification...
December 15, 2016: Molecular Ecology Resources
https://www.readbyqxmd.com/read/27927192/daily-milk-consumption-and-all-cause-mortality-coronary-heart-disease-and-stroke-a-systematic-review-and-meta-analysis-of-observational-cohort-studies
#18
Patrick Mullie, Cécile Pizot, Philippe Autier
BACKGROUND: Observational studies and meta-analyses relating milk consumption by adults to all-cause mortality, coronary heart disease and stroke have obtained contradictory results. Some studies found a protective effect of milk consumption, whilst other found an increased risk. METHODS: We performed a systematic literature search until June 2015 on prospective studies that looked at milk consumption, all-cause mortality, coronary heart disease and stroke. Random-effect meta-analyses were performed with dose-response...
December 8, 2016: BMC Public Health
https://www.readbyqxmd.com/read/27917167/potential-for-sulfate-reduction-in-mangrove-forest-soils-comparison-between-two-dominant-species-of-the-americas
#19
Melike Balk, Joost A Keuskamp, Hendrikus J Laanbroek
Avicennia and Rhizophora are globally occurring mangrove genera with different traits that place them in different parts of the intertidal zone. It is generally accepted that the oxidizing capacity of Avicennia roots is larger than that of Rhizophora roots, which initiates more reduced conditions in the soil below the latter genus. We hypothesize that the more reduced conditions beneath Rhizophora stands lead to more active sulfate-reducing microbial communities compared to Avicennia stands. To test this hypothesis, we measured sulfate reduction traits in soil samples collected from neighboring Avicennia germinans and Rhizophora mangle stands at three different locations in southern Florida...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27906284/electrically-reconfigurable-split-ring-resonator-covered-by-nematic-liquid-crystal-droplet
#20
Kepeng Qiu, Ning Jia, Zijun Liu, Chen Wu, Yuancheng Fan, Quanhong Fu, Fuli Zhang, Weihong Zhang
In this paper, an electrically reconfigurable split ring resonator (SRR) covered by sessile droplet of nematic liquid crystal (LC) is demonstrated experimentally. The magnetic resonance of single SRR decreases gradually by 237 MHz as external bias voltage is applied, resulting from increasing fringing capacitance due to liquid crystal molecular reorientation along local electric field distribution. The transmission phase can be modulated by more than 100 degrees. Furthermore, frequency tuning range of SRR increases with the droplet height, because of the significant enhancement for SRR capacitance difference between LC states with/without bias voltage...
November 28, 2016: Optics Express
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