keyword
MENU ▼
Read by QxMD icon Read
search

Shelf procedure

keyword
https://www.readbyqxmd.com/read/28734626/staged-treatment-of-mega-aortic-syndrome-using-the-frozen-elephant-trunk-and-hybrid-thoracoabdominal-repair
#1
Asimakis Gkremoutis, Andreas Zierer, Thomas Schmitz-Rixen, Ali El-Sayed Ahmad, Erhard Kaiser, Michael Keese, Thomas Schmandra
OBJECTIVE: We report our experience with a staged hybrid approach for the treatment of extended aortic disease, also known as "mega aortic syndrome." METHODS: A total of 15 patients (10 male, 5 female) underwent staged repair of the thoracoabdominal aorta, consisting of 3 separate stages (repair of ascending aorta and aortic arch using the frozen elephant trunk technique and hybrid thoracoabdominal repair with debranching of the renovisceral branches and stent graft implantation)...
June 24, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28715764/ddt-related-compounds-as-non-extractable-residues-in-submarine-sediments-of-the-palos-verdes-shelf-california-usa
#2
S Kucher, J Schwarzbauer
The Palos Verdes Shelf (PVS) and the continental slope off the Palos Verdes Peninsula are highly contaminated by degradation products of the pesticide DDT (1-chloro-4-[2,2,2-trichloro-1-(4-chlorophenyl)ethyl]benzene). Sediment samples from two box cores were analyzed to obtain further information about the fate of DDT and its degradation products within the environment. After solvent extraction, an alkaline hydrolysis procedure was applied. A comprehensive screening for 26 DDT compounds revealed that DDT and its degradates contaminate not only the extractable fraction but also the fraction released by alkaline hydrolysis...
July 10, 2017: Chemosphere
https://www.readbyqxmd.com/read/28715219/synthesis-of-aromatic-thiolate-protected-gold-nanomolecules-by-core-conversion-the-case-of-au36-sph-tbu-24
#3
Shevanuja Theivendran, Amala Dass
Ultrasmall nanomolecules (<2 nm) such as Au25(SCH2CH2Ph)18, Au38(SCH2CH2Ph)24, and Au144(SCH2CH2Ph)60 are well studied and can be prepared using established synthetic procedures. No such synthetic protocols that result in high yield products from commercially available starting materials exist for Au36(SPh-X)24. Here, we report a synthetic procedure for the large-scale synthesis of highly stable Au36(SPh-X)24 with a yield of ∼42%. Au36(SPh-X)24 was conveniently synthesized by using tert-butylbenzenethiol (HSPh-tBu, TBBT) as the ligand, giving a more stable product with better shelf life and higher yield than previously reported for making Au36(SPh)24 from thiophenol (PhSH)...
July 17, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28706751/development-and-implementation-of-a-coagulation-factor-testing-method-utilizing-autoverification-in-a-high-volume-clinical-reference-laboratory-environment
#4
Paul W Riley, Benoit Gallea, Andre Valcour
BACKGROUND: Testing coagulation factor activities requires that multiple dilutions be assayed and analyzed to produce a single result. The slope of the line created by plotting measured factor concentration against sample dilution is evaluated to discern the presence of inhibitors giving rise to nonparallelism. Moreover, samples producing results on initial dilution falling outside the analytic measurement range of the assay must be tested at additional dilutions to produce reportable results...
2017: Journal of Pathology Informatics
https://www.readbyqxmd.com/read/28693048/the-use-of-branched-endografts-for-the-aortic-arch-in-the-endovascular-era
#5
Rami O Tadros, Scott R Safir, Peter L Faries, Daniel K Han, Rajiv K Chander, Cherrie Z Abraham, Michael L Marin, Allan S Stewart
The endovascular realm has steadily increased its footing in the treatment of the aorta and all of its territories since the foundational case in 1990 by Parodi. The aortic arch, however, continues to be one of the last bastions for treatment via open surgery, which remains the gold standard. Significant comorbidity and prior cardiac surgery prevent open surgery from being the only preferred option, allowing novel endovascular procedures to be considered. Since 1999, more advanced endovascular systems have been created by companies such as Cook Medical, Bolton Medical, Medtronic, Endospan, Gore Medical, and, recently, Kawasumi...
July 11, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28675480/omics-approaches-on-fresh-cut-lettuce-reveal-global-molecular-responses-to-sodium-hypochlorite-and-peracetic-acid-treatment
#6
Loretta Daddiego, Linda Bianco, Cristina Capodicasa, Fabrizio Carbone, Claudia Dalmastri, Lorenza Daroda, Antonella Del Fiore, Patrizia De Rossi, Mariasole Di Carli, Marcello Donini, Loredana Lopez, Alessio Mengoni, Patrizia Paganin, Gaetano Perrotta, Annamaria Bevivino
BACKGROUND: Lettuce is a leafy vegetables that are extensively commercialized as ready-to-eat product because of its widespread use in human nutrition as salad. It is well-known that washing treatments can severely affect the quality and shelf-life of ready-to-eat vegetables. The study presented here evaluated the effect of two washing procedures on fresh-cut lettuce during storage. RESULTS: We applied omics approach to reveal global changes at the molecular level induced by peracetic acid washing in comparison with sodium hypochlorite treatment...
July 4, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28674697/cell-free-vascular-grafts-recent-developments-and-clinical-potential
#7
Sindhu Row, Ana Santandreu, Daniel D Swartz, Stelios T Andreadis
Recent advances in vascular tissue engineering have led to the development of cell-free grafts that are available off-the-shelf for on demand surgery. Challenges associated with cell-based technologies including cell sourcing, cell expansion and long-term bioreactor culture motivated the development of completely cell-free vascular grafts. These are based on decellularized arteries, decellularized cultured cell-based tissue engineered grafts or biomaterials functionalized with biological signals that promote in situ tissue regeneration...
March 2017: Technology
https://www.readbyqxmd.com/read/28667900/improving-in%C3%A2-vivo-outcomes-of-decellularized-vascular-grafts-via-incorporation-of-a-novel-extracellular-matrix
#8
Nina J Kristofik, Lingfeng Qin, Nicole E Calabro, Sashka Dimitrievska, Guangxin Li, George Tellides, Laura E Niklason, Themis R Kyriakides
Each year, hundreds of thousands coronary bypass procedures are performed in the US, yet there currently exists no off-the-shelf alternative to autologous vessel transplant. In the present study, we investigated the use of mouse thrombospondin-2 knockout (TSP2 KO) cells, which secrete a non-thrombogenic and pro-migratory extracellular matrix (TSP2 KO ECM), to modify small diameter vascular grafts. To accomplish this, we first optimized the incorporation of TSP2 KO ECM on decellularized rat aortas. Because MMP levels are known to be elevated in TSP2 KO cell culture, it was necessary to probe the effect of the modification process on the graft's mechanical properties...
June 22, 2017: Biomaterials
https://www.readbyqxmd.com/read/28623186/assessment-of-active-video-gaming-using-adapted-controllers-by-individuals-with-physical-disabilities-a-protocol
#9
Laurie A Malone, Sangeetha Padalabalanarayanan, Justin McCroskey, Mohanraj Thirumalai
BACKGROUND: Individuals with disabilities are typically more sedentary and less fit compared to their peers without disabilities. Furthermore, engaging in physical activity can be extremely challenging due to physical impairments associated with disability and fewer opportunities to participate. One option for increasing physical activity is playing active video games (AVG), a category of video games that requires much more body movement for successful play than conventional push-button or joystick actions...
June 16, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28622667/netvlad-cnn-architecture-for-weakly-supervised-place-recognition
#10
Relja Arandjelovic, Petr Gronat, Akihiko Torii, Tomas Pajdla, Josef Sivic
We tackle the problem of large scale visual place recognition, where the task is to quickly and accurately recognize the location of a given query photograph. We present the following four principal contributions. First, we develop a convolutional neural network (CNN) architecture that is trainable in an end-to-end manner directly for the place recognition task. The main component of this architecture, NetVLAD, is a new generalized VLAD layer, inspired by the "Vector of Locally Aggregated Descriptors" image representation commonly used in image retrieval...
June 1, 2017: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://www.readbyqxmd.com/read/28586506/second-trimester-uterine-model-for-teaching-ultrasound-guided-obstetric-procedures
#11
Susan E Dalton, Anthony R Gregg, Monique Ho
The declining number of ultrasound-guided obstetric procedures in clinical practice mandates a shift toward simulation-based teaching. Current uterine simulation aids are animal tissue-sourced or expensive, and improvement is needed. We describe a low-cost reusable uterine model with "fetus," cord and skin, constructed from synthetic gel and silicone rubber. Ultrasound appearance and tactile feedback approximate clinical use, and all parts of the model are portable, durable, and shelf-stable. Those made of ballistics gel can be recycled numerous times without noticeable effect...
June 6, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28578841/povidone-iodine-based-solutions-for-decolonization-of-nasal-staphylococcus-aureus-a-randomized-prospective-placebo-controlled-study
#12
Maryam Rezapoor, Thema Nicholson, Reza Mostafavi Tabatabaee, Antonia F Chen, Mitchell G Maltenfort, Javad Parvizi
BACKGROUND: Nasal Staphylococcus aureus decolonization reduces the risk of surgical site infections after orthopedic procedures. Povidone-iodine (PI)-based solutions have shown promising results in bacteria decolonization. The unique physiology of the nose may pose challenges for the bioactivity profiles of PI solutions. This study compared the antibacterial efficacy of an off-the-shelf PI product with a specifically manufactured PI-based skin and nasal antiseptic (SNA). METHODS: This randomized, placebo-controlled study was conducted at a single institution between April 2014 and July 2015...
May 3, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28573165/apparatus-and-general-methods-for-exposing-rats-to-audiogenic-stress
#13
Serge Campeau
Most organisms react innately to the sudden onset of environmental stimulation. Audiogenic or loud noise in rodents provides an effective threatening signal to study the central nervous circuits responsible for the elaboration of various responses typically elicited by threatening/stressful environmental stimulation. Audiogenic stress offers many advantages over other environmental stimulation, including exquisite control over timing, intensity, and frequency, using off-the-shelf components that produce easily reproducible results...
November 5, 2016: Bio-protocol
https://www.readbyqxmd.com/read/28572802/chimeric-antigen-receptor-engineered-nk-92-cells-an-off-the-shelf-cellular-therapeutic-for-targeted-elimination-of-cancer-cells-and-induction-of-protective-antitumor-immunity
#14
Congcong Zhang, Pranav Oberoi, Sarah Oelsner, Anja Waldmann, Aline Lindner, Torsten Tonn, Winfried S Wels
Significant progress has been made in recent years toward realizing the potential of natural killer (NK) cells for cancer immunotherapy. NK cells can respond rapidly to transformed and stressed cells and have the intrinsic potential to extravasate and reach their targets in almost all body tissues. In addition to donor-derived primary NK cells, also the established NK cell line NK-92 is being developed for adoptive immunotherapy, and general safety of infusion of irradiated NK-92 cells has been established in phase I clinical trials with clinical responses observed in some of the cancer patients treated...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28559176/results-from-multiple-prospective-single-center-clinical-trials-of-the-off-the-shelf-p-branch-fenestrated-stent-graft
#15
Mark A Farber, Matthew J Eagleton, Tara M Mastracci, James F McKinsey, Raghuveer Vallabhaneni, Björn Sonesson, Nuno Dias, Timothy Resch
OBJECTIVE: The purpose of this study was to report prospective data of an off-the-shelf fenestrated endograft (Zenith p-Branch; Cook Medical, Bloomington, Ind) from four centers for the treatment of patients with pararenal abdominal aortic aneurysms. METHODS: Data were combined from four single-center investigational studies conducted in the United States and Europe. The p-Branch endograft consists of a proximal off-the-shelf component incorporating a scallop for the celiac artery, a superior mesenteric artery fenestration, and two conical pivot fenestrations to preserve flow to the renal vessels...
May 27, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28514896/-snare-ride-a-bailout-technique-to-catheterize-target-vessels-with-unfriendly-anatomy-in-branched-endovascular-aortic-repair
#16
Marcelo Ferreira, Athanasios Katsargyris, Eduardo Rodrigues, Diego Ferreira, Rodrigo Cunha, Guilherme Bicalho, Gustavo Oderich, Eric L G Verhoeven
PURPOSE: To describe a novel endovascular bailout technique for successful completion of target vessel stenting during branched stent-graft repair of thoracoabdominal aortic aneurysms (TAAA) after encountering difficulties with standard catheterization techniques. TECHNIQUE: Technical difficulties when using fenestrated and branched grafts should be expected, especially in difficult anatomy or when an off-the-shelf device (eg, standard 4-branch device) is used that does not perfectly "match" the anatomy...
May 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28502552/bifurcated-bifurcated-aneurysm-repair-is-a-novel-technique-to-repair-infrarenal-aortic-aneurysms-in-the-setting-of-iliac-aneurysms
#17
Susanna Hewon Shin, Benjamin Ware Starnes
BACKGROUND: Up to 40% of abdominal aortic aneurysms (AAAs) have coexistent iliac artery aneurysms (IAAs). In the past, successful endovascular repair required internal iliac artery (IIA) embolization, which can lead to pelvic or buttock ischemia. This study describes a technique that uses a readily available solution with a minimally altered off-the-shelf bifurcated graft in the IAA to maintain IIA perfusion. METHODS: From August 2009 to May 2015, 14 patients with AAAs and coexisting IAAs underwent repair with a bifurcated-bifurcated approach...
May 11, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28482943/teaching-an-old-material-new-tricks-easy-and-inexpensive-focused-ion-beam-fib-sample-protection-using-conductive-polymers
#18
Joshua A Taillon, Valery Ray, Lourdes G Salamanca-Riba
This letter describes an innovative spin-coating system, built from off-the-shelf components, that can easily and inexpensively be integrated into any laboratory environment. Combined with a liquid suspension of conductive polymer, such a "rotary coater" enables simple coating of planar samples to create a physical protective barrier on the sample surface. This barrier aids in charge dissipation during scanning electron microscope and focused ion beam (FIB) imaging and provides wide-scale protection of the sample surface from ion bombardment during FIB imaging and gas-assisted deposition...
May 9, 2017: Microscopy and Microanalysis
https://www.readbyqxmd.com/read/28479354/lyophilization-cycle-design-for-dual-chamber-cartridges-and-a-method-for-online-process-control-the-dcc-lyomate-procedure
#19
Christoph Korpus, Wolfgang Friess
Freeze-drying process design is a challenging task that necessitates a profound understanding of the complex interrelation among critical process parameters (e.g., shelf temperature and chamber pressure), heat transfer characteristics of the involved materials (e.g., product containers and holder devices), and critical quality attributes of the product (e.g., collapse temperatures). The Dual Chamber Cartridge "(DCC) LyoMate" (from lyophilization and automated) is a manometric temperature measurement-based process control strategy that was developed within this study to streamline this complicated task...
August 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28472328/flexible-mediation-analysis-with-multiple-mediators
#20
Johan Steen, Tom Loeys, Beatrijs Moerkerke, Stijn Vansteelandt
The advent of counterfactual-based mediation analysis has triggered enormous progress on how, and under what assumptions, one may disentangle path-specific effects upon combining arbitrary (possibly nonlinear) models for mediator and outcome. However, current developments have largely focused on single mediators because required identification assumptions prohibit simple extensions to settings with multiple mediators that may depend on one another. In this article, we propose a procedure for obtaining fine-grained decompositions that may still be recovered from the data in such complex settings...
May 3, 2017: American Journal of Epidemiology
keyword
keyword
83995
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"