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https://www.readbyqxmd.com/read/28738579/compositional-engineering-of-vopcpho-tio2-nano-composite-to-reduce-the-absolute-threshold-value-of-humidity-sensors
#1
Mohamad Izzat Azmer, Fakhra Aziz, Zubair Ahmad, Ehsan Raza, Mansoor Ani Najeeb, Noshin Fatima, Tahani M Bawazeer, Mohammad S Alsoufi, R A Shakoor, Khaulah Sulaiman
This research work demonstrates compositional engineering of an organic-inorganic hybrid nano-composites for modifying absolute threshold of humidity sensors. Vanadyl-2,9,16,23-tetraphenoxy-29H,31H-phthalocyanine (VOPcPhO), an organic semiconductor, doped with Titanium-dioxide nanoparticles (TiO2 NPs) has been employed to fabricate humidity sensors. The morphology of the VOPcPhO:TiO2 nano-composite films has been analyzed by atomic force microscopy (AFM) and field emission scanning electron microscopy (FESEM)...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28738425/preparation-and-characterization-of-pegylated-iron-oxide-gold-nanoparticles-for-delivery-of-sulforaphane-and-curcumin
#2
Hossein Danafar, Ali Sharafi, Sonia Askarlou, Hamidreza Kheiri Manjili
Natural products have been used for the treatment of various diseases such as cancer. Curcumin (CUR) and sulforaphane (SF) have anti-cancer effects, but their application is restricted because of their low water solubility and poor oral bioavailability. To improve the bioavailability and solubility of SF and CUR, we performed an advanced delivery of SF and CUR with PEGylated gold coated Fe3O4 magnetic nanoparticles (PEGylated Fe3O4@Au NPs) to endorse SF and CUR maintenance as an effective and promising antitumor drugs...
July 24, 2017: Drug Research
https://www.readbyqxmd.com/read/28737866/algorithms-imaging-tests-comparison-following-the-first-febrile-urinary-tract-infection-in-children
#3
María M Tombesi, Laura F Alconcher, Lucas Lucarelli, Agustina Ciccioli
OBJETIVES: To compare the diagnostic sensitivity, costs and radiation doses of imaging tests algorithms developed by the Argentine Society of Pediatrics in 2003 and 2015, against British and American guidelines after the first febrile urinary tract infection (UTI). POPULATION AND METHODS: Inclusion criteria: children ≤ 2 years old with their first febrile UTI and normal ultrasound, voiding cystourethrography and dimercaptosuccinic acid scintigraphy, according to the algorithm established by the Argentine Society of Pediatrics in 2003, treated between 2003 and 2010...
August 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28737373/construction-of-a-multi-cage-based-mof-with-a-unique-network-for-e%C3%AF-cient-co2-capture
#4
Mei-Hui Yu, Ping Zhang, Rui Feng, Zhao-Quan Yao, Yi-Chen Yu, Tong-Liang Hu, Xian-He Bu
As a kind of MOFs, cage-based MOFs usually carry large voids and small windows, which are advantageous to the storage of small molecules that remain kinetically trapped inside the cages (confinement effect). By adjusting the size of windows via reticular synthesis, the cage-based MOFs can selectively capture and separate the suitable size molecules. Here, considering angle-directed and face-directed strategies, a novel multi-cage-based MOF NUM-3 with a new (3,4,5)-connected topology was successfully constructed in the mixed-ligands assembly...
July 24, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28736747/recurrent-dystrophic-calcification-of-the-prostatic-resection-cavity-after-transurethral-resection-of-the-prostate-clinical-presentation-and-endoscopic-management
#5
Valentin Zumstein, Patrick Betschart, Gautier Müllhaupt, Wolfram Jochum, Hans-Peter Schmid, Dominik Abt
Background: Dystrophic calcification (DC) can occur as a reaction to tissue damage and necrosis. So far, this has never been described as a complication after conventional transurethral resection of the prostate (TURP). Case Presentation: We report on a 59-year-old man who underwent uncomplicated monopolar TURP for lower urinary tract symptoms caused by benign prostatic hyperplasia. The patient showed an excellent course up to 5 weeks after the initial operation. Afterward he suffered from a rapid onset of irritative and obstructive voiding symptoms and pain...
2017: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/28736619/the-role-of-orthobiologics-in-foot-and-ankle-surgery-allogenic-bone-grafts-and-bone-graft-substitutes
#6
REVIEW
James Wee, Gowreeson Thevendran
Orthobiologics are biological substances that are used therapeutically for their positive effects on healing skeletal and soft-tissue injuries. The array of orthobiological products currently available to the foot and ankle surgeon is wide, and includes bone allografts, bone substitutes, growth factors, and chondral scaffolds. Nonetheless, despite the surge in interest and usage of orthobiologics, there remains a relative paucity of research addressing their specific applications in foot and ankle surgery. In this review, we attempt to provide an overview of the literature on commonly available allogenic bone grafts and bone substitutes...
June 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28736602/radiographic-technical-quality-of-root-canal-treatment-performed-by-a-new-rotary-single-file-system
#7
Marco Colombo, Cristina Bassi, Riccardo Beltrami, Paolo Vigorelli, Antonio Spinelli, Andrea Cavada, Alberto Dagna, Marco Chiesa, Claudio Poggio
AIM: The aim of the present study was to evaluate radiographically the technical quality of root canal filling performed by postgraduate students with a new single-file Nickel-Titanium System (F6 Skytaper Komet) in clinical practice. METHODS: Records of 74 patients who had received endodontic treatment by postgraduate students at the School of Dentistry, Faculty of Medicine, University of Pavia in the period between September 2015 and April 2016 were collected and examined: the final sample consisted 114 teeth and 204 root canals...
January 2017: Annali di Stomatologia
https://www.readbyqxmd.com/read/28735019/1-year-surgical-outcomes-of-complete-or-incomplete-enucleation-of-prostate-by-monopolar-electrocoagulation-photoselective-vapoenucleation-of-120w-greenlight-laser-and-holmium-laser
#8
Sung Yong Cho, Juhyun Park, Sangjun You, Min Chul Cho, Hyeon Jeong, Hwancheol Son
OBJECTIVE: To evaluate surgical outcomes of patients who underwent complete or incomplete enucleation technique during a short-term postoperative period METHODS: Patients having intractable LUTS/BPH and prostates > 30 grams with obstructed pattern in the urodynamic examinations were included. They underwent TUR-P, 120 W greenlight laser HPS-PVEP, or HoLEP. Patients with the size of remnant prostates minus surgical defects < 25 grams were grouped into the completely enucleated group (group C) and other were group into the partially enucleated group (group P)...
July 19, 2017: Urology
https://www.readbyqxmd.com/read/28734607/impact-of-instrument-and-column-parameters-on-high-throughput-liquid-chromatography-performance
#9
Martin Gilar, Thomas S McDonald, Fabrice Gritti
The speed and separation performance of high-throughput liquid chromatography (HT LC) was investigated. We evaluated the contributions of various experimental parameters to the total analysis cycle time, including column length (column void time), gradient delay, flow rate, auto-sampler (A/S) speed, and software related delays. The best case injection-to-injection cycle time of 22s was achieved using 12s gradient time and 2.1×20mm columns packed with 1.7μm C18 particles. The total 22s analytical duty cycle consisted of 2...
July 11, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28734307/a-confinement-induced-spectroscopic-study-of-noble-gas-atoms-using-equation-of-motion-architecture-encapsulation-within-fullerene-s-voids
#10
Supriya K Chaudhuri, Rajat K Chaudhuri, Prasanta K Mukherjee, Sudip Chattopadhyay
A relativistic study of spectroscopic properties of the endohedral fullerenes Ng@C60(q) (where Ng = He, Ne and q=0,±1,±2 are the charges) associated with the C60 molecule has been done using the equation of motion coupled cluster (EOM-CC) methodology. Specific properties estimated are the transition energies, dipole oscillator strengths, and transition probabilities for the low-lying excitations 1s(2)((1)S0) → 1snp ((1)P1) (n = 2, 3, 4) for He@C60(q) and 1s(2)2s(2)2p(6) ((1)S0) → 1s(2)2s(2)2p(5)ns∕nd ((1)P1) (n = 3, 4) for Ne@C60(q), which have been compared with those for the isolated atom to depict the confinement effect of the host molecule on the encapsulated atom...
July 21, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28733158/clinical-and-urodynamic-outcomes-in-children-with-anorectal-malformation-subtype-of-recto-bladder-neck-fistula
#11
A C Strine, B A VanderBrink, Z Alam, M Schulte, P H Noh, W R DeFoor, E Minevich, C A Sheldon, J S Frischer, P P Reddy
INTRODUCTION: Patients with anorectal malformations (ARMs) have a high incidence of genitourinary anomalies. Those with a recto-bladder neck fistula may represent a high-risk group, but their long-term urologic outcomes are poorly described. OBJECTIVE: To evaluate the clinical and urodynamic outcomes in a large cohort of patients with an ARM subtype of recto-bladder neck fistula. MATERIALS AND METHODS: A retrospective cohort study was performed of patients who had been treated for a recto-bladder neck fistula at the present institution since 2007...
July 10, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28731510/the-association-of-lower-urinary-tract-symptoms-with-incidental-falls-and-fear-of-falling-in-later-life-the-community-health-survey
#12
Kyu Shik Kim, Ji Won Nam, Bo Youl Choi, Hong Sang Moon
AIM: To evaluate the association between lower urinary tract symptoms (LUTS) and incidental falls and fear of falling. METHODS: We used data obtained from the 2011 Korean Community Health Survey (KCHS) conducted between August and October 2011 in South Korea. The survey was carried out to estimate patterns of disease prevalence and morbidity in men >40 years old. The trained interviewers performed face-to-face sociodemographic questionnaires using computer-assisted personal interviewing (CAPI) software, the International Prostate Symptom Score (IPSS), the Quality of Life score (EQ-5D), and a questionnaire about past falls and fear of falling...
July 21, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28730818/nanoscale-mechanics-of-the-solid-electrolyte-interphase-on-lithiated-silicon-electrodes
#13
Haoran Wang, Huck Beng Chew
The ~300% volume changes of lithiated silicon electrodes (LixSi) during electrochemical cycling lead to cracking of the solid electrolyte interface (SEI). Here, we report how strain is transferred from LixSi to two primary inorganic SEI components: LiF and Li2O. Our first principle calculations show that LiF, effectively bonded on LixSi at x > 1, enables the entire interface structure to deform plastically by forming delocalized stable voids. In contrast, Li2O tightly bonded to LixSi is stiffer, and deforms rigidly across all x...
July 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28729743/superconformal-bottom-up-gold-deposition-in-high-aspect-ratio-through-silicon-vias
#14
D Josell, T P Moffat
This work presents superconformal, bottom-up Au filling of high aspect ratio through silicon vias (TSVs) along with a predictive framework based on the coupling of suppression breakdown and surface topography. The work extends a previous study of superconformal Au deposition in lower aspect ratio TSVs. Deposition was performed in a Na3AuSO3 electrolyte containing a branched polyethyleneimine (PEI) deposition-rate suppressing additive. Voltammetric measurements using a rotating disk electrode (RDE) were used to assess the impact of the PEI suppressor concentration and transport on the rate of metal deposition, enabling the interplay between metal deposition and suppressor adsorption to be quantified...
2017: Journal of the Electrochemical Society
https://www.readbyqxmd.com/read/28729379/functioning-metastatic-paraganglioma-of-the-urinary-bladder-in-a-10-year-old-child
#15
Alaeddine El Alayli, Mohammad Ali El Amine, Yaser El Hout, Lena Naffaa
Paragangliomas of the urinary bladder are very rare tumours representing less than 1% of bladder tumours. Preoperative diagnosis is essential to avoid perioperative complications related to catecholamine release. A high index of suspicion should be maintained when the classical symptoms of voiding-related paroxysms of headache, palpitation and dizziness are present. We present a rare case of malignant paraganglioma of the urinary bladder in a 10-year-old boy. The patient had the classic presentation. We review the radiological diagnostic tools and findings of this rare entity...
July 19, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28729177/the-iowa-voiding-improvement-partnership-experience-early-observations-with-a-collaborative-pediatric-uro-psychologic-clinic
#16
K M Bonnett, L L Fuller, C S Cooper, A M Arlen, D W Storm
INTRODUCTION: Bladder and bowel dysfunction (BBD) are common problems in children presenting for pediatric urology referral. Psychiatric issues may be present in these children, making their treatment difficult. In 2013, the University of Iowa Voiding Improvement Partnership (VIP) Clinic was established for the treatment of these patients. STUDY OBJECTIVE: This study sought to evaluate early experience with this specialized clinic, to determine the pre-existing urologic and psychologic conditions seen in these clinic patients, and to evaluate the clinical outcomes after VIP treatment...
July 1, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28728990/long-term-testosterone-therapy-improves-urinary-and-sexual-function-and-quality-of-life-in-men-with-hypogonadism-results-from-a-propensity-matched-subgroup-of-a-controlled-registry-study
#17
Karim Sultan Haider, Ahmad Haider, Gheorghe Doros, Abdulmaged Traish
OBJECTIVES: To investigate the effects of long-term testosterone (T) therapy (TTh) on urinary and sexual functions and quality of life (QoL) in hypogonadal men. PATIENTS AND METHODS: Observational, prospective, cumulative registry study in 656 men (age: 60.7 ± 7.2 years) with total T levels ≤12.1 nmol/L and symptoms of hypogonadism. In the T-treated group, men (n = 360) received parenteral T undecanoate (TU) 1000 mg/12 weeks for up to 10 years. Men who opted against TTh (n= 296) served as controls...
July 17, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28728989/caution-with-use-of-the-expanded-prostate-cancer-index-composite-50-urinary-bother-scale-how-voiding-dysfunction-modifies-its-performance
#18
Lin Yang, Adam S Kibel, Graham A Colditz, Ratna Pakpahan, Kellie R Imm, Sonya Izadi, Robert L Grubb, Kathleen Y Wolin, Siobhan Sutcliffe
PURPOSE: We evaluated the agreement between patient-reported urinary function and bother, and sexual function and bother in radical prostatectomy (RP) patients to help inform possible non-functional, modifiable mechanisms for patient bother. METHODS: Patients were recruited from 2011-2014 at Washington University and Brigham & Women's Hospital. Urinary and sexual outcomes were assessed by the Expanded Prostate Cancer Index Composite-50 (EPIC-50) before, five weeks, and 12 months after RP...
July 17, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28728829/short-term-double-natural-orifice-catheterization-nonoperative-management-of-hydrocolpos-in-persistent-cloaca-patients-case-series
#19
Stjepan Višnjić, Mislav Bastić, Mateja Marčec, Marko Mesić
PURPOSE: Management of hydrocolpos in cloaca patients is of clinical importance. We report a nonoperative method for the management of hydrocolpos in the form of initial catheter decompression, followed by an endoscopy with catheters placement into both the bladder and vagina, and leaving these catheters for 9 and 14days respectively. METHODS: The medical records of six cloaca patients with hydrocolpos in the last 12years were reviewed. The outcomes measured were the renal function, bladder emptying, the presence/resolution of hydronephrosis, and the recurrence of hydrocolpos...
June 27, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28728207/-female-urethral-diverticulum-with-calculus-formation-imitating-stress-incontinence
#20
Leonidas Karapanos, Daniel Porres, David Pfister, Ilgar Akbarov, Axel Heidenreich, Vahudin Zugor
A female urethral diverticulum (UD) is a rare condition with a prevalence of 0.6 - 4.7 %. Possible aetiologies include chronic infection of the periurethral glands, childbirth trauma, and iatrogenic lesions after urethral manipulation. The main symptoms are recurrent urinary tract infections, post-void dribbling and leakage of urine or purulent discharge by movement, which is caused by the emptying of the diverticular lumen (paradoxical incontinence). As this may imitate stress urinary incontinence, the final diagnosis is a challenge for urologists...
July 20, 2017: Aktuelle Urologie
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