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https://www.readbyqxmd.com/read/28319859/use-of-clay-to-remediate-cadmium-contaminated-soil-under-different-water-management-regimes
#1
Jianrui Li, Yingming Xu
We examined in situ remediation of sepiolite on cadmium-polluted soils with diverse water regimes, and several variables including brown rice Cd, exchangeable Cd, pH, and available Fe/P. pH, available Fe/P in soils increased gradually during continuous flooding, which contributed to Cd absorption on colloids. In control group (untreated soils), compared to conventional irrigation, brown rice Cd in continuous flooding reduced by 37.9%, and that in wetting irrigation increased by 31.0% (p<0.05). In contrast to corresponding controls, brown rice Cd in sepiolite treated soils reduced by 44...
March 17, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28318850/safety-and-efficacy-of-hyperosmolar-irrigation-solution-in-shoulder-arthroscopy
#2
Nicholas M Capito, James L Cook, Bernardo Yahuaca, Marie D Capito, Seth L Sherman, Matthew J Smith
BACKGROUND: A hyperosmolar irrigation solution has been reported to be safe and have potential benefits for use during shoulder arthroscopy in an animal model study. In this study, the clinical effects of a hyperosmolar solution were compared with a standard isotonic solution when used for shoulder arthroscopy. METHODS: A prospective, double-blind, randomized controlled trial was performed to compare isotonic (273 mOsm/L) and hyperosmolar (593 mOsm/L) irrigation solutions used for arthroscopic rotator cuff repair...
March 15, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28317828/-magnetic-therapy-for-complex-treatment-of-chronic-periodontal-disease
#3
A V P'yanzina
The aim of the study was to elaborate the methodology of magnetic therapy for complex treatment of chronic periodontal disease (CPD). The study included 60 patients aged 35 to 65 years with moderate CPD divided in 2 groups. Patients in group 1 (controls) received impulse carbonate irrigation for 12 min №10, group 2 additionally received magnetic therapy for 5 min №10 in maxillary and mandibular areas. CLINICAL RESULTS: periodontal and rheological indices proved magnetic therapy to be useful tool for eradication of inflammation, periodontal tissue functional recovery and stabilization...
2017: Stomatologii︠a︡
https://www.readbyqxmd.com/read/28314903/diatoms-in-drowning-cases-in-forensic-veterinary-context-a-preliminary-study
#4
Nadia Fucci, Carlo P Campobasso, L Mastrogiuseppe, C Puccinelli, S Marcheggiani, L Mancini, L Marino, V L Pascali
In this preliminary study, a digestive method used in forensic context to extract diatoms has been applied in organs taken from ten wildlife animals belonging three species of mammals (a deer, a roe and five otters) and one species of birds (two magpies). Only four carcasses were recovered from aquatic environments (bath trough for animals, bathtub irrigation, river) and only in three cases out of ten that the cause of death was ruled out as drowning. In seven cases, the death was due to other causes: gunshot injuries for one otter, blunt trauma for a magpie, and traumatic injuries followed by motor vehicle collision in other four otters and a roe...
March 17, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28314436/produced-water-treatment-by-membranes-a-review-from-a-colloidal-perspective
#5
REVIEW
J M Dickhout, J Moreno, P M Biesheuvel, L Boels, R G H Lammertink, W M de Vos
While the world faces an increased scarcity in fresh water supply, it is of great importance that water from industry and waste streams can be treated for re-use. One of the largest waste streams in the oil and gas industry is produced water. After the phase separation of oil and gas, the produced water is left. This mixture contains dissolved and dispersed hydrocarbons, surfactants, clay particles and salts. Before this water can be used for re-injection, irrigation or as industrial water, it has to be treated...
February 1, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28303631/surgical-outcomes-of-percutaneous-nephrolithotomy-pcnl-in-3-402-patients-and-results-of-stone-analysis-in-1-559-patients-from-a-single-centre-in-pakistan
#6
S A H Rizvi, M Hussain, S H Askari, M Lal, M N Zafar
OBJECTIVE: To report our experience of a series of PCNL from a single centre over the last 18 years in terms of patients and stone characteristics, indications, stone clearance and complications and chemical analysis of stones in a subgroup. PATIENTS AND METHODS: We retrospectively analysed the outcomes of PCNL in 3,402 adult patients who underwent the procedure between 1997 and 2014 from a prospectively maintained database. Data analysis included patients' age, sex, laboratory investigations, imaging, punctured calyx, duration of operation, volume of irrigation fluid, radiation exposure time, blood transfusion, complications and stone free status at one-month follow-up...
March 16, 2017: BJU International
https://www.readbyqxmd.com/read/28303406/drought-induced-expression-of-aquaporin-genes-in-leaves-of-two-common-bean-cultivars-differing-in-tolerance-to-drought-stress
#7
Mateja Zupin, Aleš Sedlar, Marjetka Kidrič, Vladimir Meglič
Aquaporin proteins are part of the complex response of common bean (Phaseolus vulgaris L.) to drought which affects the quality and quantity of yield of this important crop. To better understand the role of aquaporins in common bean, drought-induced gene expression of several aquaporins was determined in two cultivars, the more drought tolerant Tiber and the less tolerant Starozagorski čern. The two bean cultivars were selected among 16 European genotypes based on the tolerance to drought determined by time needed for plants to wilt after withholding irrigation and yield at harvest...
March 16, 2017: Journal of Plant Research
https://www.readbyqxmd.com/read/28303146/an-assessment-of-genetic-diversity-and-drought-tolerance-in-argan-tree-argania-spinosa-populations-potential-for-the-development-of-improved-drought-tolerance
#8
Abdelghani Chakhchar, Matthew Haworth, Cherkaoui El Modafar, Marco Lauteri, Claudia Mattioni, Said Wahbi, Mauro Centritto
The argan tree (Argania spinosa) occurs in a restricted area of Southwestern Morocco characterized by low water availability and high evapotranspirative demand. Despite the adaptation of the argan tree to drought stress, the extent of the argan forest has declined markedly due to increased aridity, land use changes and the expansion of olive cultivation. The oil of the argan seed is used for cooking and as the basis for numerous cosmetics. The identification of argan tree varieties with enhanced drought tolerance may minimize the economic losses associated with the decline of the argan forest and constrain the spread of desertification...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28301562/diversity-and-community-structure-of-cyanobacteria-and-other-microbes-in-recycling-irrigation-reservoirs
#9
Ping Kong, Patricia Richardson, Chuanxue Hong
Recycling irrigation reservoirs (RIRs) are emerging aquatic environments of global significance to crop production, water conservation and environmental sustainability. This study characterized the diversity and population structure of cyanobacteria and other detected microbes in water samples from eight RIRs and one adjacent runoff-free stream at three ornamental crop nurseries in eastern (VA1 and VA3) and central (VA2) Virginia after cloning and sequencing the 16S rRNA gene targeting cyanobacteria and chloroplast of eukaryotic phytoplankton...
2017: PloS One
https://www.readbyqxmd.com/read/28301017/intracanal-irrigating-solutions-prior-to-calcium-hydroxide-medication-and-its-effects-on-root-dentin-strength
#10
Leila Clarisse Hillesheim, Juliara Bellina Hoffmann, Daniela Peressoni Vieira Schuldt, Maybell Tedesco, Eduardo Antunes Bortoluzzi, Cleonice Silveira Teixeira
The aim of this study was to assess the effects of intracanal irrigation with sodium hypochlorite (NaOCl) and ethylenediaminetetracetic acid (EDTA) prior to calcium hydroxide medication on the compressive strength of root dentin. Forty-eight roots with single and straight canals were instrumented with a crown-down technique using Flexofile files and Gates Glidden burs, under 0.9% sodium chloride (NaCl) irrigation. Root canals were randomly separated into 4 groups (n=12), according to the irrigating solution: Control Group, 0...
January 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/28300744/a-modified-simple-technique-of-removing-the-lens-cortex-during-cataract-surgery
#11
Kyung Eun Han, Se Hoon Han, Dongkwon Lim, Min Chul Shin
We describe here a surgical technique of removing the remaining cortex after phacoemulsification without performing the conventional irrigation/aspiration (I/A) procedure. In this technique, the remaining cortex attached to the posterior capsule was separated and dissected into several pieces by continuous irrigation with balanced salt solution, which was supplied through a syringe attached to a bent, blunt-tip needle. Approximately, 10 s of manual irrigation separated most of the remaining cortex from the posterior capsule...
January 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28299554/comparison-of-different-techniques-for-removal-of-calcium-hydroxide-from-straight-root-canals-an-in-vitro-study
#12
Anne-Kathrin Pabel, Michael Hülsmann
To compare four different techniques for removal of calcium hydroxide from straight root canals. The present study used the design suggested by Lee et al. (Int Endod J 37:607-612, 32) and van der Sluis et al. (Int Endod J 40:52-57, 17). One-hundred and ten extracted human teeth with straight root canals were prepared to ISO-size 50 and split longitudinally. Two lateral grooves were prepared, filled with calcium hydroxide and the root halves reassembled in a muffle. Calcium hydroxide was removed using one of five techniques: (1) passive ultrasonic irrigation, (2) hydrodynamic irrigation using RinsEndo(®), (3) sonic irrigation using the EndoActivator(®), (4) motor-driven plastic brush (CanalBrush™), and (5) manual irrigation with a syringe as the control group...
March 15, 2017: Odontology
https://www.readbyqxmd.com/read/28298987/effect-of-different-concentrations-of-specific-inhibitor-of-matrix-metalloproteinases-on-the-shear-bond-strength-of-self-adhesive-resin-cements-to-dentin
#13
Mohammad-Esmaeel Ebrahimi-Chaharom, Mehdi Abed-Kahnamoui, Mahmoud Bahari, Hamed Hamishehkar, Mahya Gharouni
BACKGROUND: Considering the probability of chemical and enzymatic reactions between matrix metalloproteinases (MMPs) in the dentin structure and their specific inhibitors, the aim of the present study was to evaluate the effect of different concentrations of specific inhibitor of MMPs (galardin) on the shear bond strength of self-adhesive resin cements to dentin. MATERIAL AND METHODS: Forty-eight sound human premolars were mounted in self-cured acrylic resin after removal of the enamel on the buccal and lingual surfaces...
March 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28298975/evaluation-of-antimicrobial-and-antifungal-efficacy-of-chitosan-as-endodontic-irrigant-against-enterococcus-faecalis-and-candida-albicans-biofilm-formed-on-tooth-substrate
#14
Pankaj Yadav, Sarika Chaudhary, Rajendra K Saxena, Sangeeta Talwar, Sudha Yadav
BACKGROUND: Bacterial biofilms formed on the root canal wall are often difficult to remove. This study aimed to evaluate the cytotoxic effect and antibacterial efficacy of chitosan when used as root canal irrigant against E. Faecalis and Candida albicans biofilm formed on tooth substrate. MATERIAL AND METHODS: The present study evaluated antibacterial effect of 0.25% Chitosan, 0.5% Chitosan, 2% chlorhexidine and 3% sodium hypochlorite against Enterococcus faecalis and Candida Albicans...
March 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28298770/intraperitoneal-levobupivacaine-with-or-without-clonidine-for-pain-relief-after-laparoscopic-cholecystectomy-a-randomized-double-blind-placebo-controlled-trial
#15
Nishith Govil, Parag Kumar
BACKGROUND: Irrigation of local anesthetic intraperitoneally in combination with opioids and non-opioids agents has been used to provide pain relief with varying success in laparoscopic surgeries. This randomized double blind placebo controlled study is designed to study the effect of intraperitoneal instillation of levo-bupivacaine along with clonidine for pain relief after laparascopic cholecystectomy. METHODS: 75 patients were randomized to receive 20 ml of 0...
January 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28297581/systemic-delivery-of-bone-marrow-mesenchymal-stem-cells-for-in-situ-intervertebral-disc-regeneration
#16
Carla Cunha, Catarina R Almeida, Maria Inês Almeida, Andreia M Silva, Maria Molinos, Sofia Lamas, Catarina L Pereira, Graciosa Q Teixeira, António T Monteiro, Susana G Santos, Raquel M Gonçalves, Mário A Barbosa
Cell therapies for intervertebral disc (IVD) regeneration presently rely on transplantation of IVD cells or stem cells directly to the lesion site. Still, the harsh IVD environment, with low irrigation and high mechanical stress, challenges cell administration and survival. In this study, we addressed systemic transplantation of allogeneic bone marrow mesenchymal stem cells (MSCs) intravenously into a rat IVD lesion model, exploring tissue regeneration via cell signaling to the lesion site. MSC transplantation was performed 24 hours after injury, in parallel with dermal fibroblasts as a control; 2 weeks after transplantation, animals were killed...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28296903/the-potential-distribution-of-cassava-mealybug-phenacoccus-manihoti-a-threat-to-food-security-for-the-poor
#17
Tania Yonow, Darren J Kriticos, Noboru Ota
The cassava mealybug is a clear and present threat to the food security and livelihoods of some of the world's most impoverished citizens. Niche models, such as CLIMEX, are useful tools to indicate where and when such threats may extend, and can assist with planning for biosecurity and the management of pest invasions. They can also contribute to bioeconomic analyses that underpin the allocation of resources to alleviate poverty. Because species can invade and establish in areas with climates that are different from those that are found in their native range, it is essential to define robust range-limiting mechanisms in niche models...
2017: PloS One
https://www.readbyqxmd.com/read/28293665/comparison-of-endodontic-medicaments-on-bond-strength-of-fiber-post-to-root-dentin-using-resin-cement
#18
Maryam Zare Jahromi, Mehrdad Barekatain, Shirin Ravanbod, Parisa Ranjbarian, Sara Kousehlar
STATEMENT OF THE PROBLEM: Endodontic irrigants and medicaments may affect the bond strength of intracanal posts to root dentin. PURPOSE: The aim of this study was to compare the effect of calcium hydroxide (Ca(OH)2) and 2% chlorhexidine gel (CHX) on bond strength of fiber post cemented with resin cement to root dentin. MATERIALS AND METHOD: This in vitro experimental study was conducted on 36 mandibular premolars. Canals were prepared using the step back technique...
March 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28293515/anatomical-and-clinical-study-of-the-posterior-auricular-artery-angiosome-in-search-of-a-rescue-tool-for-ear-reconstruction
#19
Oswaldo J Gómez Díaz, Mario D Cruz Sánchez
BACKGROUND: The retroauricular tissues have been used for a long time for ear reconstruction, but the anatomical bases of flaps of this region are not completely clear. The aim of this study was to estimate blood supply area and location of this on the skin and fascia retroauricular dependent of posterior auricular artery (PAA) to establish safe margins to design flaps for auricular reconstruction. METHODS: Dissection under magnification (×3.5) of the PAA through a cervical approach; injection of methylmethacrylate in the PAA as a staining technique; retroauricular approach to identify the territory of irrigation of PAA in the retroauricular skin and fascia; measuring and location of the stained area; and report of 2 cases of ear reconstruction with fasciocutaneous and fascia flaps based on PAA, designed according to the anatomical study...
December 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28293498/an-easy-method-for-drainage-of-fluid-in-cases-of-continuous-irrigation-of-the-hand
#20
Sumeet Makhijani, David A Fredenberg
Description of a novel method to perform continuous irrigation for flexor tenosynovitis in a way that is comfortable for the patient and convenient for nursing staff by placing the hand in the suction pouch of a lithotomy style drape attached to wall suction.
December 2016: Plastic and Reconstructive Surgery. Global Open
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