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https://www.readbyqxmd.com/read/28432971/voids-padding-induced-further-enhancement-in-photocatalytic-performance-of-porous-graphene-like-carbon-nitride
#1
Guohui Dong, Dong Chen, Jianmin Luo, Yunqing Zhu, Yubin Zeng, Chuanyi Wang
Design of 2-Dimensional nanostructured photocatalyst is an effective way to improve the photocatalytic activity of its bulk counterpart. However, the remaining (or newborn) drawbacks, such as enlarged band gap and the surface recombination of photogenerated charge carries, extremely limited the practical application of nanosheeted photocatalysts in solar energy conversion. In this study, we demonstrated that the voids padding with NH4Cl can eliminate part of quantum size effect to reduce the band gap of nanosheeted carbon nitride...
April 12, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28432955/the-calorimetric-properties-of-liposomes-determine-the-morphology-of-dried-droplets
#2
Jorge González-Gutiérrez, Rosendo Pérez-Isidoro, M I Pérez-Camacho, J C Ruiz-Suárez
The evaporation of liquid droplets deposited on a substrate is a very complex phenomenon. Driven by capillary and Marangoni flows, particle-particle and particle-substrate interactions, the deposits they leave are vestiges of such complexity. We study the formation of patterns during the evaporation of liposome suspension droplets deposited on a hydrophobic substrate at different temperatures. We observed that as we change the temperature of the substrate, a morphological phase transition occurs at a given temperature Tm...
April 19, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28431996/comparison-of-silodosin-monotherapy-versus-silodosin-with-tadalafil-add-on-therapy-in-patients-with-benign-prostatic-hyperplasia
#3
Takashi Yoshida, Hidefumi Kinoshita, Seiji Shimada, Makoto Taguchi, Tadashi Matsuda
OBJECTIVE: To evaluate the efficacy and safety of add-on therapy with the phosphodiesterase type 5 inhibitor tadalafil for patients with lower urinary tract symptoms secondary to benign prostatic hyperplasia (LUTS/BPH) treated with the α1-adrenoceptor blocker silodosin. METHODS: We analyzed 103 patients with LUTS/BPH with an International Prostate Symptom Score (IPSS) of >8 after ≥4 weeks of silodosin treatment from April 2016 through December 2016 at Kori Hospital...
April 18, 2017: Urology
https://www.readbyqxmd.com/read/28431687/a-rapid-impregnation-method-for-loading-desired-amounts-of-extractant-on-prepacked-reversed-phase-columns-for-high-performance-liquid-chromatographic-separation-of-metal-ions
#4
Muhammad Ramzan, Dejene Kifle, Grethe Wibetoe
A time-efficient impregnation method for loading extractant onto reversed-phase columns was developed, using di-(2-ethylhexyl) phosphoric acid (HDEHP) as a model extractant. The optimal loading conditions for the impregnation process of a standard analytical scale column was achieved by dissolving an appropriate amount of HDEHP (per void volume) in n-pentane, flushing the column with two void volumes (5mL) of impregnation solution and heating the column for a short time to remove the solvent. The process takes about one hour, a significant time reduction compared to commonly used impregnation methods (17-23h)...
April 7, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28431215/early-treatment-improves-urodynamic-prognosis-in-neurogenic-voiding-dysfunction-20-years-of-experience
#5
Lucia M Costa Monteiro, Glaura O Cruz, Juliana M Fontes, Eliane T R C Vieira, Eloá N Santos, Grace F Araújo, Eloane G Ramos
OBJECTIVE: To evaluate the association between early treatment and urodynamic improvement in pediatric and adolescent patients with neurogenic bladder. METHODOLOGY: Retrospective longitudinal and observational study (between 1990 and 2013) including patients with neurogenic bladder and myelomeningocele treated based on urodynamic results. The authors evaluated the urodynamic follow-up (bladder compliance and maximum bladder capacity and pressure) considering the first urodynamic improvement in two years as the outcome variable and early referral as the exposure variable, using a descriptive and multivariate analysis with logistic regression model...
April 18, 2017: Jornal de Pediatria
https://www.readbyqxmd.com/read/28429875/effect-of-untreated-zirconium-oxide-nanofiller-on-the-flexural-strength-and-surface-hardness-of-autopolymerized-interim-fixed-restoration-resins
#6
Abdolhamid Alhavaz, Maryam Rezaei Dastjerdi, Arman Ghasemi, Azade Ghasemi, Abolfazl Alizadeh Sahraei
OBJECTIVE: Autopolymerized poly methyl methacrylate (PMMA) resin is commonly used for the construction of interim restorations; however, it has less than optimal mechanical properties. In this article, we evaluated the reinforcing effect of adding untreated zirconia nanoparticles on the flexural strength and surface hardness of this resin. METHODS: A total of 80 specimens were fabricated. Forty each were used for the flexural strength test and for the surface hardness test...
April 21, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28429053/self-assessment-of-treatment-compliance-with-antimuscarinic-drugs-and-lower-urinary-tract-condition-among-women-with-urinary-incontinence
#7
Kirill Kosilov, Sergey Loparev, Irina Kuzina, Olga Shakirova, Natalya Zhuravskaya, Alexandra Lobodenko
AIM: Our aim was to determine the efficiency of the Medication Compliance Self-Report Inventory (MASRI) in self-reporting antimuscarinic drug treatment compliance among women with urinary incontinence (UI). MATERIALS AND METHODS: The study assessed 347 women aged 18-65 (averaging 49.7) years with more than one urinary incontinence (UI) episode per day. Treatment compliance was tested at the beginning and at weeks 4, 8, and 12 using the MASRI, the Brief Medication Questionnaire (BMQ), and visual pill counts...
April 20, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/28428422/quantitative-3d-evolution-of-colloidal-nanoparticle-oxidation-in-solution
#8
Yugang Sun, Xiaobing Zuo, Subramanian K R S Sankaranarayanan, Sheng Peng, Badri Narayanan, Ganesh Kamath
Real-time tracking of the three-dimensional (3D) evolution of colloidal nanoparticles in solution is essential for understanding complex mechanisms involved in nanoparticle growth and transformation. We used time-resolved small-angle and wide-angle x-ray scattering simultaneously to monitor oxidation of highly uniform colloidal iron nanoparticles, enabling the reconstruction of intermediate 3D morphologies of the nanoparticles with a spatial resolution of ~5 angstroms. The in situ observations, combined with large-scale reactive molecular dynamics simulations, reveal the details of the transformation from solid metal nanoparticles to hollow metal oxide nanoshells via a nanoscale Kirkendall process-for example, coalescence of voids as they grow and reversal of mass diffusion direction depending on crystallinity...
April 21, 2017: Science
https://www.readbyqxmd.com/read/28425696/granadilla-inspired-structure-design-for-conversion-alloy-reaction-electrode-with-integrated-lithium-storage-behaviors
#9
Chaoji Chen, Linfeng Peng, Yiju Li, Lei Zhang, Jingwei Xiang, Pei Hu, Shijie Cheng, Yunhui Huang, Jia Xie
Conversion/alloy-reaction electrode materials promise much higher energy density than the commonly used ones based on intercalation chemistries. However, the low electronic conductivity, and specially the large volume expansion upon lithiation hinder their practical applications. Here for the first time, a unique granadilla-inspired structure was designed to prepare the conversion/alloy-reaction anode of carbon coated tin/calcium tin oxide (C@void@Sn/CaSnO3) ternary composite. The granadilla-inspired structure ensures the intimate contact between the Sn/CaSnO3 nanoparticles and the carbon matrix, providing not only conductive networks for electron transport and short distance for Li+ diffusion but also effective space for the electrode volume-expansion towards conversion/alloy reaction...
April 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28425062/patients-lived-experiences-of-nocturia-a-qualitative-study-of-the-evening-the-night-and-the-next-day
#10
Andrew Trigg, Fredrik L Andersson, Natalie V J Aldhouse, Donald L Bliwise, Helen Kitchen
BACKGROUND: Nocturia, waking to urinate two or more times during the night, is a chronic condition associated with significant patient burden due to sleep disruption. This study aimed to explore the lived experiences of patients with nocturia in terms of the disruption to their lives during the night and day. METHODS: Adult patients in the US diagnosed with nocturia were recruited for face-to-face qualitative interviews. Thematic analysis of patients' narratives, taking a phenomenological interpretative approach, summarised their experiences throughout the night and day, including any apparent contrasts between patients...
April 19, 2017: Patient
https://www.readbyqxmd.com/read/28424904/nanoindentation-response-of-cortical-bone-dependency-of-subsurface-voids
#11
Masoud Ramezanzadehkoldeh, Bjørn Skallerud
Nanoindentation test results in the axial direction of mouse femurs were the basis for the current study. Although the majority of the nanoindentation curves showed a reasonable consistency, some curves showed a significantly softer response. Detailed investigation, using focused ion beam-scanning electron microscopy, provided that the softer response is due to subsurface cavities such as lacunae. Finite element models were developed to simulate the nanoindentation of mice femur cortical bone samples with and without the incorporation of a single lacuna underneath the bone surface...
April 19, 2017: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/28424499/tamsulosin-for-treatment-of-lower-urinary-tract-symptoms-in-women-a-systematic-review-and-meta-analysis
#12
H L Zhang, Z G Huang, Y Qiu, X Cheng, X Q Zou, T T Liu
Tamsulosin has been used for the off-label treatment of lower urinary tract symptoms (LUTS) in women. Over the past few years, several randomized controlled trials (RCTs) have reported the clinical effectiveness and safety of tamsulosin for LUTS in women. Therefore, the aim of the present study was to perform a meta-analysis to evaluate the safety and efficacy of tamsulosin in treating LUTS in women, which may resolve some of the current controversies over use of the drug and provide more reliable evidence for the use of tamsulosin...
April 20, 2017: International Journal of Impotence Research
https://www.readbyqxmd.com/read/28424135/bladder-fill-after-laparoscopic-inguinal-hernia-repair-reduces-time-to-discharge
#13
Blair A Wormer, Samuel W Ross, Amanda L Walters, Timothy S Kuwada
Laparoscopic inguinal herniorrhaphy (LIH) has a relatively high risk of urinary retention. Bladder dysfunction may delay discharge after LIH. We hypothesized that filling the bladder before Foley catheter removal decreases time to discharge (TTD) after LIH. A secondary aim was to determine incidence of postoperative urinary retention (POUR) after bladder fill (BF). We reviewed a consecutive series of total extraperitoneal and transabdominal preperitoneal LIH procedures performed by a single surgeon at our institution from 2010 to 2013...
April 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28422170/dynamic-through-silicon-via-filling-process-using-copper-electrochemical-deposition-at-different-current-densities
#14
Fuliang Wang, Zhipeng Zhao, Nantian Nie, Feng Wang, Wenhui Zhu
This work demonstrates the dynamic through-silicon-via (TSV) filling process through staged electrodeposition experiments at different current densities. Different morphologies corresponding to TSV filling results can be obtained by controlling the applied current density. Specifically, a low current density (4 mA/cm(2)) induces seam defect filling, a medium current density (7 mA/cm(2)) induces defect-free filling, and a high current density (10 mA/cm(2)) induces void defect filling. Analysis of the filling coefficient indicates that the effect of current density on the TSV filling models is triggered by the coupling effect of consumption and diffusion of additives and copper ions...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28421456/filling-the-void-a-review-of-intragastric-balloons-for-obesity
#15
REVIEW
Patrick Laing, Tuan Pham, Linda Jo Taylor, John Fang
Endoscopic bariatric therapies are predicted to become much more widely used in North America for obese patients who are not candidates for bariatric surgery. Of all the endoscopic bariatric therapies, intragastric balloons (IGBs) have the greatest amount of clinical experience and published data supporting their use. Three IGBs are FDA approved and are now commercially available in the USA (Orbera, ReShape Duo, and Obalon) with others likely soon to follow. They are generally indicated for patients whose BMI ranges from 30 to 40 mg/kg(2) and who have failed to lose weight with diet and exercise...
April 18, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28420508/a-promising-protein-responsible-for-overactive-bladder-in-ovariectomized-mice
#16
Huey-Yi Chen, Chao-Jung Chen, Wen-Chi Chen, Shih-Jing Wang, Yung-Hsiang Chen
OBJECTIVE: Ovariectomy (OVX) in mice is a model mimicking a neuro-electronic proof of an overactive bladder in postmenopausal women. Overactive bladder (OAB) was recently found to be due to an altered gap junction protein in a rat model. Thus, this study was conducted to evaluate changes in cell junction protein expression and composition in the bladder of OVX mice. MATERIALS AND METHODS: Thirty-six virgin female mice were randomized into three groups: mice with a sham operation only (control), OVX mice without estradiol (E2) replacement, and OVX mice with E2 replacement (OVX + E2)...
April 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28418001/effects-of-calcination-temperature-for-rate-capability-of-triple-shelled-znfe2o4-hollow-microspheres-for-lithium-ion-battery-anodes
#17
Hojin Hwang, Haeun Shin, Wan-Jin Lee
Triple-shelled ZnFe2O4 hollow microspheres (ZFO) as anode materials for lithium ion battery are prepared through a one-pot hydrothermal reaction using the composite solution consisting of sucrose in water and metal ions in ethylene glycol (EG), followed by different calcination processes. The architectures of ZFO micro spheres are differently synthesized through a mutual cooperation of inward and outward ripening with three different calcination temperatures. Thin triple-shelled ZnFe2O4 hollow microspheres calcined at 450 °C (ZFO-450) delivers a high reversible capacity of 932 mA h g(-1) at a current density of 2 A g(-1) even at the 200(th) cycle without obvious decay...
April 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28417428/outcomes-of-minimally-invasive-inguinal-hernia-repair-at-the-time-of-robotic-radical-prostatectomy
#18
REVIEW
Francois G Soto-Palou, Ricardo F Sánchez-Ortiz
Abdominal straining associated with voiding dysfunction or constipation has traditionally been associated with the development of abdominal wall hernias. Thus, classic general surgery dictum recommends that any coexistent bladder outlet obstruction should be addressed by the urologist before patients undergo surgical repair of a hernia. While organ-confined prostate cancer is usually not associated with the development of lower urinary tract symptoms, a modest proportion of patients treated with radical prostatectomy may have coexisting benign prostatic hyperplasia with elevated symptom scores and hernias may be incidentally detected at the time of surgery...
June 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28415952/effective-treatment-of-ketamine-associated-cystitis-with-botulinum-toxin-type-a-injection-combined-with-bladder-hydrodistention
#19
Jianfeng Zeng, Haibiao Lai, Dongxiang Zheng, Liang Zhong, Zhifeng Huang, Shanyun Wang, Weiwei Zou, Lianbo Wei
Objective Ketamine-associated cystitis (KAC) has been described in a few case reports, but its treatment in a relatively large number of patients has not been documented. This study aimed to describe our experience of treatment of 36 patients with KAC. Methods Thirty-six patients (30 males and 6 females, aged 19-38 years) with KAC, who had previously taken a muscarinic receptor blocker and/or antibiotics, but without symptomatic relief, were treated with botulinum toxin A injection combined with bladder hydrodistention...
April 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28415255/numerical-study-of-one-dimensional-compression-of-granular-materials-i-stress-strain-behavior-microstructure-and-irreversibility
#20
Mohamed Hassan Khalili, Jean-Noël Roux, Jean-Michel Pereira, Sébastien Brisard, Michel Bornert
The behavior of a model granular material, made of slightly polydisperse beads with Hertz-Mindlin elastic-frictional contacts, in oedometric compression (i.e., compression along one axis, with no lateral strain) is studied by grain-level numerical simulations. We systematically investigate the influence of the (idealized) packing process on the microstructure and stresses in the initial, weakly confined equilibrium state, and prepare both isotropic and anisotropic configurations differing in solid fraction Φ and coordination number z...
March 2017: Physical Review. E
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