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https://www.readbyqxmd.com/read/28335205/photosensitizer-embedded-polyacrylonitrile-nanofibers-as-antimicrobial-non-woven-textile
#1
Sarah L Stanley, Frank Scholle, Jiadeng Zhu, Yao Lu, Xiangwu Zhang, Xingci Situ, Reza A Ghiladi
Toward the objective of developing platform technologies for anti-infective materials based upon photodynamic inactivation, we employed electrospinning to prepare a non-woven textile comprised of polyacrylonitrile nanofibers embedded with a porphyrin-based cationic photosensitizer; termed PAN-Por((+)). Photosensitizer loading was determined to be 34.8 nmol/mg material; with thermostability to 300 °C. Antibacterial efficacy was evaluated against four bacteria belonging to the ESKAPE family of pathogens (Staphylococcus aureus; vancomycin-resistant Enterococcus faecium; Acinetobacter baumannii; and Klebsiella pneumonia), as well as Escherichia coli...
April 20, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28334448/carotid-artery-bursting-pressure-and-seal-time-after-multiple-uses-of-a-vessel-sealing-device
#2
Jocelin S Blake, Brian J Trumpatori, Kyle G Mathews, Emily H Griffith
OBJECTIVE: To determine any loss of function of a single-use bipolar vessel sealing device after repeated sterilization and use on canine carotid arteries. STUDY DESIGN: Ex vivo; randomized block design (dog). SAMPLE POPULATION: Carotid artery segments (n = 90) from 15 canine cadavers. METHODS: Six 10-mm LigaSure Atlas 20 cm devices (Covidien Inc, Minneapolis, Minnesota) were used to seal canine carotid artery segments in one cadaver, then resterilized using ethylene oxide and reused in a second cadaver, and so on, for a total of 15 uses/15 cadavers per LigaSure...
March 23, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28334298/distribution-and-persistence-of-sterile-screwworms-diptera-calliphoridae-released-at-the-panama-colombia-border
#3
Steven R Skoda, Pamela L Phillips, Agustin Sagel, Muhammad F Chaudhury
The sterile insect technique is used by the Comisión Panamá - Estados Unidos para la Erradicación y Prevención del Gusano Barrenador del Ganado (COPEG) to maintain a barrier at the border of Panama and Colombia to prevent screwworms, Cochliomyia hominivorax (Coquerel), from South America reinfesting North America. Before studying the distribution and persistence of sterilized, mass-produced screwworms released in the barrier zone, the utility of applying fluorescent dust (∼1.0 mg/fly) to pupae and to newly emerged adults was evaluated to determine the potential effect on fly survival...
February 11, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28333823/committee-opinion-no-695-sterilization-of-women-ethical-issues-and-considerations
#4
(no author information available yet)
Sterilization is the most common method of contraception among married couples, with nearly twice as many couples choosing female partner sterilization over male sterilization. Although sterilization is among the most straightforward surgical procedures an obstetrician-gynecologist performs, it is enormously complex when considered from a historical, sociological, or ethical perspective. Sterilization practices have embodied a problematic tension, in which some women who desired fertility were sterilized without their knowledge or consent, and other women who wanted sterilization to limit their family size lacked access to it...
April 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28333815/committee-opinion-no-695-summary-sterilization-of-women-ethical-issues-and-considerations
#5
(no author information available yet)
Sterilization is the most common method of contraception among married couples, with nearly twice as many couples choosing female partner sterilization over male sterilization. Although sterilization is among the most straightforward surgical procedures an obstetrician-gynecologist performs, it is enormously complex when considered from a historical, sociological, or ethical perspective. Sterilization practices have embodied a problematic tension, in which some women who desired fertility were sterilized without their knowledge or consent, and other women who wanted sterilization to limit their family size lacked access to it...
April 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28333802/hysteroscopic-sterilization-with-essure-summary-of-the-u-s-food-and-drug-administration-actions-and-policy-implications-for-postmarketing-surveillance
#6
Rachel Steward
No abstract text is available yet for this article.
April 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28333676/basics-of-sterile-compounding-personnel-requirements-for-sterile-compounding
#7
Michael J Akers
The risk of microbial contamination during sterile product preparation would be practically non-existent were people not involved in the preparatory process. This article discusses why people are the main source of microbial contamination and what safeguards need to be present to minimize this source.
July 2016: International Journal of Pharmaceutical Compounding
https://www.readbyqxmd.com/read/28333673/choosing-a-vial-processing-line-for-aseptic-compounding-part-1
#8
Shaun Noorian, Navid Vahedi
Equipment systems that enable compliance with stringent state and federal compounding requirements are a topic of increasing interest to U.S. pharmacists. Of those equipment types, an aseptic vial processing line offers unique benefits (especially to 503B compounding pharmacies and small contract manufacturers of aseptic pilot-size batches) if the volume of sterile preparations dispensed offsets the cost of purchase, installation, and maintenance. In this article, the reasons for and the process of selecting an aseptic vial processing line for use in 2 independent 503B compounding pharmacies are presented, the operation of our choice of equipment is described, and specifications for the components of that line are listed...
July 2016: International Journal of Pharmaceutical Compounding
https://www.readbyqxmd.com/read/28333663/basics-of-sterile-compounding-clinical-hazards-of-injectable-drug-administration
#9
Michael J Akers
Injections of drug products are generally considered safe when performed by qualified personnel. However, there always exists a low finite probability of risk with any injectable product by any injectable route of administration. This article briefly reviews potential risks of injectable drug administration.
May 2016: International Journal of Pharmaceutical Compounding
https://www.readbyqxmd.com/read/28333657/current-perspectives-on-the-syringe-delivery-system
#10
Michael J Akers
An article on the topic of sterile product packaging and delivery systems was published in the November/December 2015 issue of the International Journal of Pharmaceutical Compounding. This article expands the discussion on the syringe packaging system and provides more detail about the history, changes, challenges, and use of syringes in the compounding pharmacy.
May 2016: International Journal of Pharmaceutical Compounding
https://www.readbyqxmd.com/read/28333642/endomicroscopy-for-computer-and-robot-assisted-intervention
#11
Siyang Zuo, Guang-Zhong Yang
Endomicroscopy is a new technique that allows human tissue to be characterized in vivo, and in situ, circumventing the need for conventional biopsy and histology. Despite increased application and growing research interests in this area, the clinical application of endomicroscopy, however, is limited by difficulties in ergonomic control, consistent probe-tissue contact, large area surveillance and retargeting. Recently, advances in high-speed imaging, mosaicing and robotics have aimed to address these difficulties...
March 22, 2017: IEEE Reviews in Biomedical Engineering
https://www.readbyqxmd.com/read/28333337/tubal-anastomosis-after-previous-sterilization-a-systematic-review
#12
Jacoba A H van Seeters, Su Jen Chua, Ben W J Mol, Carolien A M Koks
BACKGROUND: Female sterilization is one of the most common contraceptive methods. A small number of women, however, opt for reversal of sterilization procedures after they experience regret. Procedures can be performed by laparotomy or laparoscopy, with or without robotic assistance. Another commonly utilized alternative is IVF. The choice between surgery and IVF is often influenced by reimbursement politics for that particular geographic location. OBJECTIVE AND RATIONALE: We evaluated the fertility outcomes of different surgical methods available for the reversal of female sterilization, compared these to IVF and assessed the prognostic factors for success...
February 22, 2017: Human Reproduction Update
https://www.readbyqxmd.com/read/28333156/an-in-vitro-bacterial-surface-migration-assay-underneath-sterile-barrier-material-commonly-found-in-a-hospital-setting
#13
J D Shih, L S Y Wood, C L Dambkowski, S Torres, E F Chehab, R Venook, J K Wall
OBJECTIVE: To determine what barrier material used in hospital neonatal intensive care units most effectively blocks bacterial migration. STUDY DESIGN: Bacterial migration distance was compared across simple and complex solid media using Escherichia coli, an early and common neonatal gut colonizer, and Staphylococcus aureus, a common skin bacterium, across polystyrene, medical-grade silicone, hydrocolloid dressing and transparent film dressing as barrier materials on complex solid media...
March 23, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28332719/rs7968606-polymorphism-of-anks1b-is-associated-with-improvement-in-the-panss-general-score-of-schizophrenia-caused-by-amisulpride
#14
Seung-Gul Kang, Ik-Seung Chee, Kwanghun Lee, Jonghun Lee
A recent genome-wide pharmacogenomics study showed that the rs7968606 single-nucleotide polymorphism (SNP) of the ankyrin repeat and sterile alpha motif domain-containing protein 1B (ANKS1B) gene approached the threshold of statistical significance. The aim of this study was to determine the association between the rs7968606 SNP of ANKS1B and the treatment response to amisulpride in schizophrenia patients. In total, 154 participants were enrolled from six university hospitals in Korea. All the subjects were interviewed before and after 6 weeks of amisulpride treatment with the aid of the positive and negative syndrome scale and the clinical global impression-severity scale...
March 23, 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28332593/injections-through-skin-colonized-with-staphylococcus-aureus-biofilm-introduce-contamination-despite-standard-antimicrobial-preparation-procedures
#15
Yi Wang, Valery Leng, Viraj Patel, K Scott Phillips
While surgical site preparation has been extensively studied, there is little information about resistance of skin microbiota in the biofilm form to antimicrobial decontamination, and there are no quantitative models to study how biofilm might be transferred into sterile tissue/implant materials during injections for joint spine and tendon, aspiration biopsies and dermal fillers (DF). In this work, we develop two in vitro models to simulate the process of skin preparation and DF injection using pig skin and SimSkin (silicone) materials, respectively...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28331581/strong-bottom-up-influences-on-small-mammal-populations-state-space-model-analyses-from-long-term-studies
#16
John R Flowerdew, Tatsuya Amano, William J Sutherland
"Bottom-up" influences, that is, masting, plus population density and climate, commonly influence woodland rodent demography. However, "top-down" influences (predation) also intervene. Here, we assess the impacts of masting, climate, and density on rodent populations placed in the context of what is known about "top-down" influences. To explain between-year variations in bank vole Myodes glareolus and wood mouse Apodemus sylvaticus population demography, we applied a state-space model to 33 years of catch-mark-release live-trapping, winter temperature, and precise mast-collection data...
March 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28331535/rosettr-protocol-and-software-for-seedling-area-and-growth-analysis
#17
Filipa Tomé, Karel Jansseune, Bernadette Saey, Jack Grundy, Korneel Vandenbroucke, Matthew A Hannah, Henning Redestig
BACKGROUND: Growth is an important parameter to consider when studying the impact of treatments or mutations on plant physiology. Leaf area and growth rates can be estimated efficiently from images of plants, but the experiment setup, image analysis, and statistical evaluation can be laborious, often requiring substantial manual effort and programming skills. RESULTS: Here we present rosettR, a non-destructive and high-throughput phenotyping protocol for the measurement of total rosette area of seedlings grown in plates in sterile conditions...
2017: Plant Methods
https://www.readbyqxmd.com/read/28331333/the-risk-reduction-of-recurrent-periodontal-pathogens-of-local-application-minocycline-hcl-2-gel-used-as-an-adjunct-to-scaling-and-root-planing-for-chronic-periodontitis-treatment
#18
Y Soeroso, T Akase, H Sunarto, Y Kemal, R Salim, M Octavia, A Viandita, J Setiawan, B M Bachtiar
BACKGROUND: The aim of this study was to evaluate the clinical and microbiological effects of local application minocycline HCl 2% gel, used as an adjunct to scaling and root planing (SRP) for treatment of chronic periodontitis (CP). CP is an inflammation of periodontal tissue that is caused mainly by bacterial infection, where periodontal destruction such as loss of attachment and bone destruction occurred. METHODS: A total of 81 subjects with moderate to severe periodontitis whose baseline clinical attachment loss (CAL) was ≥4 mm were randomly assigned to receive SRP alone (control group, N=39) or SRP followed by four times of local application of minocycline HCl gel (Periocline) once a week (test group, N=42)...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28331276/an-easy-technique-for-negative-pressure-wound-therapy-for-extremities-using-collagen-powder-and-sterile-gloves
#19
L S Sreelesh, P Laxminarayan Bhandari
Negative-pressure wound therapy (NPWT) has become the standard of care for wound management. Application of NPWT to the hand and foot is technically challenging due to difficulty in obtaining a proper air seal. The cost of the treatment is another negative factor affecting NPWT in developing countries. We describe an easy and economical technique for the application of NPWT to the extremities using collage powder and sterile surgical glove. Collagen creates a physiological interface between the wound surface and the environment and is also non-immunogenic, non-pyrogenic, hypoallergenic, and pain-free...
February 2017: Indian Journal of Surgery
https://www.readbyqxmd.com/read/28331193/transcription-factors-of-schizophyllum-commune-involved-in-mushroom-formation-and-modulation-of-vegetative-growth
#20
Jordi F Pelkmans, Mohini B Patil, Thies Gehrmann, Marcel J T Reinders, Han A B Wösten, Luis G Lugones
Mushrooms are the most conspicuous fungal structures. Transcription factors (TFs) Bri1 and Hom1 of the model fungus Schizophyllum commune are involved in late stages of mushroom development, while Wc-2, Hom2, and Fst4 function early in development. Here, it is shown that Bri1 and Hom1 also stimulate vegetative growth, while biomass formation is repressed by Wc-2, Hom2, and Fst4. The Δbri1Δbri1 and the Δhom1Δhom1 strains formed up to 0.6 fold less biomass when compared to wild-type, while Δwc-2Δwc-2, Δhom2Δhom2, and Δfst4Δfst4 strains formed up to 2...
March 22, 2017: Scientific Reports
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