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https://www.readbyqxmd.com/read/28635264/cadmium-accumulation-risk-in-vegetables-and-rice-in-southern-china-insights-from-solid-solution-partitioning-and-plant-uptake-factor
#1
Yang Yang, Meie Wang, Weiping Chen, Yanling Li, Chi Peng
Solid-solution partitioning coefficient (Kd) and plant uptake factor (PUF) largely determine the solubility and mobility of soil Cd to food crops. A four-year regional investigation was conducted in contaminated vegetable and paddy fields of southern China to quantify the variability in Kd and PUF. The distributions of Kd and PUF characterizing transfers of Cd from soil to vegetable and rice are probabilistic in nature. Dynamics in soil pH and soil Zn greatly affected the variations of Kd. In addition to soil pH, soil organic matter had a major influence on PUF variations in vegetables...
June 21, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28635130/prothrombin-complex-concentrate-for-emergent-reversal-of-warfarin-an-international-survey-of-hospital-protocols
#2
J Gorlin, S Kinney, M K Fung, A Tinmouth
For emergent warfarin reversal, four-factor prothrombin complex concentrates (4FPCCs) are recommended by many international guidelines. We surveyed international clinical sites including members of the Biomedical Excellence for Safer Transfusion (BEST) Collaborative. Most sites have emergent warfarin reversal protocols (53% use PCC, 25% use PCC+ plasma and 2% use plasma alone); however, variation between adjusted dosing and fixed dosing was observed.
June 21, 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/28634790/cellulose-acetate-butyrate-ammonio-methacrylate-copolymer-blends-as-a-novel-coating-in-osmotic-tablets
#3
R Ali, M Walther, R Bodmeier
The objective of this work was the preparation of osmotic tablets using polymer blends of cellulose acetate butyrate (CAB) or ethylcellulose with ammonio methacrylate copolymer (Eudragit® RL). The advantage of these coatings in comparison to the traditionally used cellulose acetate is their solubility in safer organic solvents like ethanol. Polymer films were characterized with respect to their water uptake, dry mass loss, and mechanical properties. The effect of the polymer blend ratio on drug release and on the rupture force of the coating was investigated...
June 20, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28634544/efficacy-of-subconjunctival-bevacizumab-injections-before-and-after-surgical-excision-in-preventing-pterygium-recurrence
#4
Raffaele Nuzzi, Federico Tridico
PURPOSE: To evaluate the efficacy of subconjunctival bevacizumab injections, before and after surgical excision with bare sclera technique, in preventing postoperative pterygium recurrence. MATERIAL AND METHODS: 83 eyes of 83 patients affected with primary pterygia underwent surgical excision. 42 eyes received two subconjunctival bevacizumab injections, at the dosage of 2.5 mg/0.1 ml, one week prior surgery and one week after intervention. Recurrence rate was evaluated among the two groups...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28634095/comparative-effectiveness-and-safety-of-drug-prophylaxis-for-prevention-of-venous-thromboembolism-after-total-knee-arthroplasty
#5
Guy Cafri, Elizabeth W Paxton, Yuexin Chen, Craig T Cheetham, Michael K Gould, Janet Sluggett, Stefano A Bini, Monti Khatod
BACKGROUND: Rates of venous thromboembolism in contemporary studies of primary total knee arthroplasty (TKA) have been reported to be as high as 3.5%. Although drug prophylaxis is effective, the best option among these regimens is not well established. The purpose of this study was to evaluate the comparative effectiveness and safety of aspirin, low-molecular-weight heparin, synthetic pentasaccharide factor Xa inhibitors, and vitamin K antagonist. METHODS: Data were from a US total joint replacement registry, with 30,499 patients receiving unilateral TKA from May 16, 2006, to December 31, 2013...
May 31, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28633589/laser-induced-thermal-ablation-of-cancerous-cell-organelles
#6
Renat R Letfullin, Scott A Szatkowski
AIM: By exploiting the physical changes experienced by cancerous organelles, we investigate the feasibility of destroying cancerous cells by single and multipulse modes of laser heating. MATERIALS & METHODS: Our procedure consists of two primary steps: determining the normal and cancerous organelles optical properties and simulating the heating of all of the major organelles in the cell to find the treatment modes for the laser ablation of cancerous organelles without harming healthy cells...
July 2017: Therapeutic Delivery
https://www.readbyqxmd.com/read/28632925/a-kallikrein-targeting-rna-aptamer-inhibits-the-intrinsic-pathway-of-coagulation-and-reduces-bradykinin-release
#7
K-A Steen-Burrell, J Layzer, B A Sullenger
BACKGROUND: Plasma kallikrein is a serine protease that plays an integral role in many biological processes including coagulation, inflammation, and fibrinolysis. The main function of kallikrein in coagulation is the amplification of activated factor XIIa (FXIIa) generation which ultimately leads to thrombin generation and fibrin clot formation. Kallikrein is generated by FXIIa-mediated cleavage of the zymogen, prekallikrein which is usually complexed with the nonenzymatic cofactor, high-molecular-weight kininogen (HK)...
June 20, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28631329/inverting-suprastomal-granulomas
#8
Cláudia Schweiger, Catherine K Hart, Robin T Cotton, Michael J Rutter
Although suprastomal granulomas are a common complication of tracheotomy, they usually are an incidental finding and do not always require treatment. However, large granulomas may require removal, either to assist with speech production or to make the airway safer in the event of an accidental decannulation. Very large suprastomal granulomas extending up to or even through the vocal cords have been described. However, inverting suprastomal granulomas extending distally down the length of a tracheotomy tube have not been previously described...
June 20, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28631304/when-and-how-do-students-benefit-from-ethnic-diversity-in-middle-school
#9
Jaana Juvonen, Kara Kogachi, Sandra Graham
The effects of school-based ethnic diversity on student well-being and race-related views were examined during the first year in middle school. To capture the dynamic nature of ethnic exposure, diversity was assessed both at the school-level (n = 26) and based on academic course enrollments of African American, Asian, Latino, and White students (n = 4,302; M = 11.33 years). Across all four pan-ethnic groups, school-level ethnic diversity was associated with lower sense of vulnerability (i.e., feeling safer, less victimized, and less lonely) as well as perceptions of teachers' fair and equal treatment of ethnic groups and lower out-group distance...
June 20, 2017: Child Development
https://www.readbyqxmd.com/read/28629942/can-a-target-zone-safer-than-lewinnek-s-safe-zone-be-defined-to-prevent-instability-of-total-hip-arthroplasties-case-control-study-of-56-dislocated-tha-and-93-matched-controls
#10
N Reina, S Putman, R Desmarchelier, E Sari Ali, P Chiron, M Ollivier, J Y Jenny, D Waast, C Mabit, E de Thomasson, C Schwartz, P Oger, L E Gayet, H Migaud, N Ramdane, M H Fessy
BACKGROUND: Various factors contribute to instability of total hip arthroplasty (THA), with implant orientation being a major contributor. We performed a case-control study with computed tomography (CT) data to determine whether 1) orientation contributes to THA instability and 2) a safer target zone for stability than Lewinnek's classic safe zone can be defined. MATERIAL AND METHODS: We included prospectively 363 cases of THA dislocation that occurred during the calendar 2013 year in 24 participating hospitals...
June 16, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28629922/vaccination-with-a-codon-optimized-a27l-containing-plasmid-decreases-virus-replication-and-dissemination-after-vaccinia-virus-challenge
#11
Osmarie Martínez, Ariana Bravo Cruz, Saritza Santos, Maite Ramírez, Eric Miranda, Joanna Shisler, Miguel Otero
Smallpox is a disease caused by Variola virus (VARV). Although eradicated by WHO in 1980, the threat of using VARV on a bioterror attack has increased. The current smallpox vaccine ACAM2000, which consists of live vaccinia virus (VACV), causes complications in individuals with a compromised immune system or with previously reported skin diseases. Thus, a safer and efficacious vaccine needs to be developed. Previously, we reported that our virus-free DNA vaccine formulation, a pVAX1 plasmid encoding codon-optimized VACV A27L gene (pA27LOPT) with and without Imiquimod adjuvant, stimulates A27L-specific production of IFN-γ and increases humoral immunity 7days post-vaccination...
June 16, 2017: Vaccine
https://www.readbyqxmd.com/read/28629473/emergency-treatment-with-levetiracetam-or-phenytoin-in-status-epilepticus-in-children-the-eclipse-study-study-protocol-for-a-randomised-controlled-trial
#12
Mark D Lyttle, Carrol Gamble, Shrouk Messahel, Helen Hickey, Anand Iyer, Kerry Woolfall, Amy Humphreys, Naomi E A Bacon, Louise Roper, Franz E Babl, Stuart R Dalziel, Mary Ryan, Richard E Appleton
BACKGROUND: Convulsive status epilepticus (CSE) is the most common life-threatening neurological emergency in childhood. These children are also at risk of significant morbidity, with acute and chronic impact on the family and the health and social care systems. The current recommended first-choice, second-line treatment in children aged 6 months and above is intravenous phenytoin (fosphenytoin in the USA), although there is a lack of evidence for its use and it is associated with significant side effects...
June 19, 2017: Trials
https://www.readbyqxmd.com/read/28628640/birds-of-a-feather-flock-together-insights-into-starling-murmuration-behaviour-revealed-using-citizen-science
#13
Anne E Goodenough, Natasha Little, William S Carpenter, Adam G Hart
Pre-roost murmuration displays by European starlings Sturnus vulgaris are a spectacular example of collective animal behaviour. To date, empirical research has focussed largely on flock movement and biomechanics whereas research on possible causal mechanisms that affect flock size and murmuration duration has been limited and restricted to a small number of sites. Possible explanations for this behaviour include reducing predation through the dilution, detection or predator confusion effects (the "safer together" hypotheses) or recruiting more birds to create larger (warmer) roosts (the "warmer together" hypothesis)...
2017: PloS One
https://www.readbyqxmd.com/read/28625904/subarachnoid-hemorrhage-due-to-distal-superior-cerebellar-artery-dissection-in-neurofibromatosis-type-1
#14
Yuki Takeshima, Yuki Ohmori, Takashi Nakagawa, Yasuyuki Kaku, Jun-Ichi Kuratsu, Shigetoshi Yano
BACKGROUND: Neurofibromatosis type 1 (NF1) is a rare disease with an incidence of one in every 3000 births. Numerous studies have focused on the main function of NF1 as a tumor suppressor, while few have examined the cerebrovascular abnormalities observed in patients with NF1. It is worth noting that intracranial aneurysms are uncommon in this condition. CASE DESCRIPTION: We report a case of NF1 with a dissection of the distal segment of the superior cerebellar artery...
June 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28625825/red-blood-cell-transfusion-in-surgical-cancer-patients-targets-risks-mechanistic-understanding-and-further-therapeutic-opportunities
#15
REVIEW
Vassilis L Tzounakas, Jerard Seghatchian, Elissavet Grouzi, Styliani Kokoris, Marianna H Antonelou
Anemia is present in more than half of cancer patients and appears to be an independent prognostic factor of short- and long-term adverse outcomes. It increases in the advanced period of cancer and perioperatively, in patients with solid tumors who undergo surgery. As a result, allogeneic red blood cell (RBC) transfusion is an indispensable treatment in cancer. However, its safety remains controversial, based on several laboratory and clinical data reporting a linkage with increased risk for cancer recurrence, infection and cancer-related mortality...
May 26, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28625083/spinal-cord-ischemia-after-endoscopic-ultrasound-guided-celiac-plexus-neurolysis-case-report-and-review-of-the-literature
#16
Ibrahim Hakkı Köker, Ayşe Aralaşmak, Nurcan Ünver, Talip Asil, Hakan Şentürk
INTRODUCTION: Endosonography guided celiac plexus neurolysis is efficacious in the management of severe pain due to advanced pancreatic cancer. Although endoscopic ultrasound (EUS) guided celiac neurolysis (CN) is mostly a safer procedure than the percutaneous posterior approach, severe complications such as paraplegia have been reported. CASE REPORT: We describe a patient with advanced adenocarcinoma of the pancreas and severe pain who developed irreversible paraplegia after EUS guided CN...
June 18, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28624468/fish-mass-immunization-against-virus-with-recombinant-spiny-bacterins
#17
Julio Coll
Bacterins obtained from recombinant bacteria displaying heterologous antigens in its surface coded by prokaryotic rather than eukaryotic expression plasmids (here called "spiny" bacterins or spinycterins), have been used to increase fish immunogenicity of recombinant viral protein fragments. To explore their immunogenicity, five bacterial-specific membrane anchor-motifs characterized in the literature (Nmistic, Mistic, NTD, YAIN and YBEL) were genetically fused to the immunorelevant cystein-free 117 amino acid fragment II from the ORF149 of cyprinid herpes virus 3 (frgIICyHV3)...
June 15, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28624199/engineering-next-generation-bet-independent-mlv-vectors-for-safer-gene-therapy
#18
Sara El Ashkar, Dominique Van Looveren, Franziska Schenk, Lenard S Vranckx, Jonas Demeulemeester, Jan De Rijck, Zeger Debyser, Ute Modlich, Rik Gijsbers
Retroviral vectors have shown their curative potential in clinical trials correcting monogenetic disorders. However, therapeutic benefits were compromised due to vector-induced dysregulation of cellular genes and leukemia development in a subset of patients. Bromodomain and extraterminal domain (BET) proteins act as cellular cofactors that tether the murine leukemia virus (MLV) pre-integration complex to host chromatin via interaction with the MLV integrase (IN) and thereby define the typical gammaretroviral integration distribution...
June 16, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28623841/development-of-a-hplc-method-for-determination-of-four-uv-filters-in-sunscreen-and-its-application-to-skin-penetration-studies
#19
Carla Souza, Patrícia M B G Maia Campos
This study describes the development, validation and application of a high-performance liquid chromatography (HPLC) method for the simultaneous determination of the in vitro skin penetration profile of four UV filters on porcine skin. Experiments were carried out on a gel-cream formulation containing the following UV filters: diethylamino hydroxybenzoyl hexyl benzoate (DHHB), bis-ethylhexyloxyphenol methoxyphenyl triazine (BEMT), methylene bis-benzotriazolyl tetramethylbutylphenol (MBBT) and ethylhexyl triazone (EHT)...
June 17, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28622405/implementing-a-randomized-controlled-trial-through-a-community-academia-partnered-participatory-research-arte-con-salud-research-informed-intervention
#20
Patricia Noboa-Ortega, Wanda I Figueroa-Cosme, Alana Feldman-Soler, Christine Miranda-Díaz
OBJECTIVE: "Arte con Salud" is an HIV/AIDS prevention intervention tailored for Puerto Rican women who have sex with men. The intervention curriculum was refined through a community-academic collaboration between Taller Salud, the UPRCayey Campus, and the UCC-School of Medicine, subsided in 2012-13 by PRCTRC. The collaboration has been crucial to validate the impact of using art as a tool to facilitate sexual negotiation skills and safer sexual practices among adult women have sex with men participating in HIV prevention education...
June 2017: Puerto Rico Health Sciences Journal
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