keyword
MENU ▼
Read by QxMD icon Read
search

Fluid

keyword
https://www.readbyqxmd.com/read/28437935/terahertz-artificial-material-based-on-integrated-metal-rod-array-for-phase-sensitive-fluid-detection
#1
Borwen You, Ching-Yu Chen, Chin-Ping Yu, Tze-An Liu, Toshiaki Hattori, Ja-Yu Lu
A terahertz artificial material composed of metal rod array is experimentally investigated on its transmission spectral property and successfully incorporated into microfluidics as a miniaturized terahertz waveguide with an extended optical-path-length for label-free fluidic sensing. Theoretical and experimental characterizations of terahertz transmission spectra show that the wave guidance along the metal rod array originates from the resonance of transverse-electric-polarized waves within the metal rod slits...
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28437857/influence-of-inflammation-and-nitric-oxide-upon-platelet-aggregation-following-deposition-of-diesel-exhaust-particles-in-the-airways
#2
E Smyth, A Solomon, M A Birrell, M J Smallwood, P G Winyard, T D Tetley, M Emerson
BACKGROUND AND PURPOSE: Exposure to nanoparticulate pollution has been implicated in platelet-driven thrombotic events such as myocardial infarction. Inflammation and impairment of nitric oxide (NO) bioavailability have been proposed as potential causative mechanisms. It is unclear, however, whether airways exposure to combustion-derived nanoparticles such as diesel exhaust particles (DEP) or carbon black (CB) can augment platelet aggregation in vivo and the underlying mechanisms remain undefined...
April 24, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28437812/infection-rate-in-1033-elective-neurosurgical-procedures-at-a-university-hospital-in-south-china
#3
Hongwei Zhu, Xiyao Liu, Zhanxiang Wang
Objective Infection following surgery is a serious complication, especially in neurosurgery. The aim of the study is to report the change of incidence rates of infection in patients undergoing elective neurosurgical procedures at a university hospital in South China as well as the risk factors. Material and Methods The medical records and postoperative courses for patients undergoing 1,033 neurosurgical procedures from 2008 to 2014 were reviewed retrospectively to determine the incidence of neurosurgical infection, the identity of the offending organisms, and the factors associated with infection...
April 24, 2017: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/28437755/an-in-vitro-study-of-cartilage-meniscus-tribology-to-understand-the-changes-caused-by-a-meniscus-implant
#4
Sara Ehsani Majd, Aditya Iman Rizqy, Hans J Kaper, Tannin A Schmidt, Roel Kuijer, Prashant K Sharma
Active lifestyles increase the risk of meniscal injury. A permanent meniscus implant of polycarbonate urethane (PCU) is a promising treatment to postpone/prevent total knee arthroplasty. Study of the changes in articular cartilage tribology in the presence of PCU is essential in developing the optimum meniscus implant. Therefore, a cartilage-meniscus reciprocating, sliding model was developed in vitro, mimicking the stance and swing phases of the gait cycle. The meniscus was further replaced with PCU and surface-modified PCUs (with C18 chains, mono-functional polydimethylsiloxane groups and mono-functional polytetrafluoroethylene groups) to study the changes...
April 18, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28437687/use-of-tourmaline-as-a-potential-petrogenetic-indicator-in-the-determination-of-host-magma-crs-xrd-and-ped-xrf-methods
#5
Bahattin Gullu, Yusuf Kagan Kadioglu
Tourmaline defines a group of complex borosilicate forms as accessory mineral in igneous and metamorphic rocks and they act an important role in the interpretation of the chemical composition changes of the composition of the host fluid of the magma. The variety of tourmaline can be identified by using optical microscopy, X-Ray Diffraction (XRD) and by determining its chemical composition through Polarized Energy Dispersive X-Ray Fluorescence (PED-XRF) methods. However, microscopic investigations and XRD analyses are not quite adequate for detailed determination of tourmaline sub-groups...
April 19, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28437539/safety-and-efficacy-of-antiviral-therapy-for-prevention-of-cytomegalovirus-reactivation-in-immunocompetent-critically-ill-patients-a-randomized-clinical-trial
#6
Nicholas J Cowley, Andrew Owen, Sarah C Shiels, Joanne Millar, Rebecca Woolley, Natalie Ives, Husam Osman, Paul Moss, Julian F Bion
Importance: Latent cytomegalovirus (CMV) infection is present in more than half the adult population, and a viral reactivation (ie, when the virus becomes measurable in body fluids such as blood) can occur in up to one-third of these individuals during episodes of critical illness. Objective: To determine whether antiviral therapy is safe and effective for preventing CMV reactivation in a general population of critically ill patients. Design, Setting, and Participants: A single-center, open-label, randomized, controlled clinical trial recruited 124 CMV-seropositive patients undergoing mechanical ventilation for at least 24 hours in the intensive care unit between January 1, 2012, and January 31, 2014...
April 24, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28437442/relationship-between-early-onset-severe-intrahepatic-cholestasis-of-pregnancy-and-higher-risk-of-meconium-stained-fluid
#7
Maria C Estiú, Maria A Frailuna, Carla Otero, Marcela Dericco, Catherine Williamson, Jose J G Marin, Rocio I R Macias
BACKGROUND: Intrahepatic cholestasis of pregnancy (ICP) is the commonest gestational liver disease. The risk of adverse fetal outcome has been associated with the severity of maternal hypercholanemia after diagnosis. OBJECTIVE: To investigate whether there is a relationship between the severity and timing of onset of hypercholanemia and the risk of meconium-stained amniotic fluid (MSAF) and adverse neonatal events. STUDY DESIGN: The study included 382 pregnancies complicated by ICP managed at a referral hospital in Buenos Aires (Argentina) between June 2009 and December 2013...
2017: PloS One
https://www.readbyqxmd.com/read/28437427/bacterial-diversity-of-bacteriomes-and-organs-of-reproductive-digestive-and-excretory-systems-in-two-cicada-species-hemiptera-cicadidae
#8
Zhou Zheng, Dandan Wang, Hong He, Cong Wei
Cicadas form intimate symbioses with bacteria to obtain nutrients that are scarce in the xylem fluid they feed on. The obligate symbionts in cicadas are purportedly confined to specialized bacteriomes, but knowledge of bacterial communities associated with cicadas is limited. Bacterial communities in the bacteriomes and organs of reproductive, digestive and excretory systems of two cicada species (Platypleura kaempferi and Meimuna mongolica) were investigated using different methods, and the bacterial diversity and distribution patterns of dominant bacteria in different tissues were compared...
2017: PloS One
https://www.readbyqxmd.com/read/28437375/both-positive-and-negative-fluid-balance-may-be-associated-with-reduced-long-term-survival-in-the-critically-ill
#9
Vikram Balakumar, Raghavan Murugan, Florentina E Sileanu, Paul Palevsky, Gilles Clermont, John A Kellum
OBJECTIVES: Among critically ill patients with acute kidney injury, exposure to positive fluid balance, compared with negative fluid balance, has been associated with mortality and impaired renal recovery. However, it is unclear whether positive and negative fluid balances are associated with poor outcome compared to patients with even fluid balance (euvolemia). In this study, we examined the association between exposure to positive or negative fluid balance, compared with even fluid balance, on 1-year mortality and renal recovery...
April 21, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28437373/resuscitation-with-balanced-fluids-is-associated-with-improved-survival-in-pediatric-severe-sepsis
#10
Elizabeth T Emrath, James D Fortenberry, Curtis Travers, Courtney E McCracken, Kiran B Hebbar
OBJECTIVE: To evaluate outcomes in patients receiving balanced fluids for resuscitation in pediatric severe sepsis. DESIGN: Observational cohort review of prospectively collected data from a large administrative database. SETTING: PICUs from 43 children's hospitals. PATIENTS: PICU patients diagnosed with severe sepsis. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: We reviewed data from the Pediatric Health Information System database from 2004 to 2012...
April 21, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28437330/pedicle-screw-fluid-sign-an-indication-on-magnetic-resonance-imaging-of-a-deep-infection-after-posterior-spinal-instrumentation
#11
Hiroaki Kimura, Jitsuhiko Shikata, Seiichi Odate, Tsunemitsu Soeda
STUDY DESIGN: A single-center case-referent study. OBJECTIVE: To assess whether the "pedicle screw (PS) fluid sign" on magnetic resonance imaging (MRI) can be used to diagnose deep surgical site infection (SSI) after posterior spinal instrumentation (PSI). SUMMARY OF BACKGROUND DATA: MRI is a useful tool for the early diagnosis of a deep SSI. However, the diagnosis is frequently difficult with feverish patients with clear wounds after PSI because of artifacts from the metallic implants...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437153/diabetic-ketoacidosis-in-patients-with-type-2-diabetes-recently-commenced-on-sglt-2-inhibitors-an-ongoing-concern
#12
Mohamed Ahmed, Malachi J McKenna, Rachel K Crowley
OBJECTIVE: Sodium-glucose cotransporter 2 (SGLT-2) inhibitors are increasingly used as an adjunctive treatment for type 2 diabetes. We report the occurrence of diabetic ketoacidosis (DKA) in 3 patients with type 2 diabetes recently commenced on SGLT-2 inhibitors. METHODS: Clinical presentation, laboratory data, and treatment outcomes of all 3 cases are described. RESULTS: All 3 patients had documented history of longstanding type 2 diabetes...
April 2, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28437000/magnetically-guided-capsule-endoscopy
#13
REVIEW
Naveen Shamsudhin, Vladimir I Zverev, Henrik Keller, Salvador Pane, Peter W Egolf, Bradley J Nelson, Alexander M Tishin
Wireless capsule endoscopy (WCE) is a powerful tool for medical screening and diagnosis, where a small capsule is swallowed and moved by means of natural peristalsis and gravity through the human gastrointestinal (GI) tract. The camera-integrated capsule allows for visualization of the small intestine, a region which was previously inaccessible to classical flexible endoscopy. As a diagnostic tool, it allows to localize the sources of bleedings in the middle-part of the gastrointestinal tract and to identify diseases such as inflammatory bowel disease (Crohn's disease), Polyposis-Syndrome and tumors...
April 24, 2017: Medical Physics
https://www.readbyqxmd.com/read/28436969/associations-between-levels-of-insulin-like-growth-factor-1-and-sinusoidal-obstruction-syndrome-after-allogeneic-haematopoietic-stem-cell-transplantation
#14
S Weischendorff, K Kielsen, H Sengeløv, K Jordan, C H Nielsen, A E Pedersen, L P Ryder, A Juul, K G Müller
Allogeneic myeloablative haematopoietic stem cell transplantation (HSCT) is challenged by severe adverse events, as cytotoxic effects of the conditioning may result in systemic inflammation, leaky epithelial barriers and organ toxicities, contributing to treatment-related morbidity and mortality. We hypothesised that insulin-like growth factor-1 (IGF-1), a mediator of growth and proliferation of various tissues, may attenuate chemotherapy-induced tissue damage after HSCT. We prospectively measured plasma levels of IGF-1 and its binding protein 3 (IGFBP-3) in 41 patients undergoing myeloablative HSCT...
April 24, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28436839/automatic-subretinal-fluid-segmentation-of-retinal-sd-oct-images-with-neurosensory-retinal-detachment-guided-by-enface-fundus-imaging
#15
Menglin Wu, Qiang Chen, Xiaojun He, Ping Li, Wen Fan, Songtao Yuan, Hyunjin Park
OBJECTIVE: Accurate segmentation of neurosensory retinal detachment (NRD)-associated subretinal fluid in spectral domain optical coherence tomography (SD-OCT) is vital for the assessment of central serous chorioretinopathy (CSC). A novel two-stage segmentation algorithm was proposed, guided by Enface fundus imaging. METHODS: In the first stage, Enface fundus image was segmented using thickness map prior to detecting the fluid-associated abnormalities with diffuse boundaries...
April 18, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28436603/parent-perception-of-the-impact-of-using-thickened-fluids-in-children-with-dysphagia
#16
Patricia Krummrich, Barbara Kline, Kate Krival, Michael Rubin
BACKGROUND: Oropharyngeal dysphagia occurs in children without known neurological disorders, increasing their risk for respiratory problems and inadequate intake. Clinicians may recommend thickening nutritive fluids; however, there is little research regarding the impact of thickening nutritive fluids on clinical outcomes in children. METHODS: We used a parental reporting tool to determine whether parents identified changes in signs of dysphagia or volume of intake when thickened fluids were incorporated into an individualized feeding program for dysphagic children without known neurological problems...
April 24, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28436594/cassandra-an-open-source-monte-carlo-package-for-molecular-simulation
#17
Jindal K Shah, Eliseo Marin-Rimoldi, Ryan Gotchy Mullen, Brian P Keene, Sandip Khan, Andrew S Paluch, Neeraj Rai, Lucienne L Romanielo, Thomas W Rosch, Brian Yoo, Edward J Maginn
Cassandra is an open source atomistic Monte Carlo software package that is effective in simulating the thermodynamic properties of fluids and solids. The different features and algorithms used in Cassandra are described, along with implementation details and theoretical underpinnings to various methods used. Benchmark and example calculations are shown, and information on how users can obtain the package and contribute to it are provided. © 2017 Wiley Periodicals, Inc.
April 24, 2017: Journal of Computational Chemistry
https://www.readbyqxmd.com/read/28436589/short-chain-fatty-acids-augment-rat-duodenal-mucosal-barrier-function
#18
Wan Salman Wan Saudi, Markus Sjöblom
Short-chain fatty acids (SCFAs) are produced by bacterial fermentation in the large intestine, particularly from diets containing fibres and carbohydrates. The small intestinal epithelium is exposed to SCFAs derived mainly from oral bacteria or food supplementation. Although luminal nutrients are important in regulation of intestinal functions the role of SCFAs in regulation of small intestinal mucosal barrier function and motility has not been fully described. The aim of the present study was to elucidate the effects of acetate and propionate on duodenal mucosal barrier function and motility...
April 24, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28436503/stimuli-responsive-hydrogel-microfibers-with-controlled-anisotropic-shrinkage-and-cross-sectional-geometries
#19
Shunsuke Nakajima, Ryuji Kawano, Hiroaki Onoe
Stimuli-responsive microfibers are fabricated by extruding mixed solutions of poly(N-isopropylacrylamide-co-acrylic acid) (pNIPAM-AAc) and sodium alginate (Na-alginate) using a microfluidic spinning system. The fabricated microfibers shrink and swell with temperature and/or pH. By controlling the extruded laminar flow, microfibers capable of anisotropic shrinkage are fabricated. Cross-sectional microscale geometries of microfibers, including double layering and hollowness, are successfully controlled by patterning the laminar flow during microfiber formation, resulting in hydrogels capable of folding/unfolding motions and fluid pumping...
April 24, 2017: Soft Matter
https://www.readbyqxmd.com/read/28436486/muscle-wasting-and-cachexia-in-heart-failure-mechanisms-and-therapies
#20
REVIEW
Stephan von Haehling, Nicole Ebner, Marcelo R Dos Santos, Jochen Springer, Stefan D Anker
Body wasting is a serious complication that affects a large proportion of patients with heart failure. Muscle wasting, also known as sarcopenia, is the loss of muscle mass and strength, whereas cachexia describes loss of weight. After reaching guideline-recommended doses of heart failure therapies, the most promising approach to treating body wasting seems to be combined therapy that includes exercise, nutritional counselling, and drug treatment. Nutritional considerations include avoiding excessive salt and fluid intake, and replenishment of deficiencies in trace elements...
April 24, 2017: Nature Reviews. Cardiology
keyword
keyword
3149
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"