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https://www.readbyqxmd.com/read/29130230/-protective-measures-in-laparoscopic-resection-for-upper-or-mid-rectal-cancer-and-sigmoid-colon-cancer-with-transrectal-specimen-extraction-surgery
#1
Chuangang Fu, Zhuqing Zhou, Junyi Han, Bin Lu, Wei Gao, Zhe Zhu, Qixin Jiang, Fang Ji, Tao Du
OBJECTIVE: To introduce the use of a self-made specimen protective sleeve in laparoscopic resection for upper or mid rectal cancer and sigmoid colon cancer with transrectal specimen extraction surgery and the improvement of implantation method, so as to avoid and reduce bacterial contamination and tumor cell dissemination in abdominal cavity. METHODS: During June 2015 and May 2017, 48 cases of high located rectal or sigmoid colon cancer were operated laparoscopically with natural orifices specimen extraction surgery (NOSES) using a self-made specimen protecting sleeve...
October 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29103788/sclerotherapy-for-the-management-of-rectal-prolapse-in-children
#2
Scott C Dolejs, Justin Sheplock, Robert J Vandewalle, Mathew P Landman, Frederick J Rescorla
PURPOSE: Rectal prolapse is a commonly occurring and usually self-limited process in children. Surgical management is indicated for failures of conservative management. However, the optimal approach is unknown. The purpose of this study is to determine the efficacy of sclerotherapy for the management of rectal prolapse. METHODS: This was a retrospective review of children <18years with rectal prolapse who underwent sclerotherapy, predominantly with peanut oil (91%), between 1998 and 2015...
October 10, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29077415/spontaneous-draining-of-liquids-from-vertically-oriented-tubes
#3
C W Extrand
This paper describes experiments where liquid-filled tubes, with the bottom ends open, were pulled vertically from a reservoir. If the open diameter on the bottom of the tubes was sufficiently small, liquid was retained. Otherwise, if sufficiently large, the tubes drained from the bottom up. The critical diameter of the opening at the bottom of the tubes ranged from 10-15 mm for water to >5 mm for a dense, low surface tension, perfluoroether oil. The ability of relatively large diameter tubes to retain liquid is attributed to a combination of materials properties and atmospheric pressure...
October 27, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28931891/spatiotemporal-variation-of-endogenous-cell-generated-stresses-within-3d-multicellular-spheroids
#4
Adam A Lucio, Alessandro Mongera, Elijah Shelton, Renwei Chen, Adele M Doyle, Otger Campàs
Multicellular spheroids serve as an excellent platform to study tissue behavior and tumor growth in a controlled, three-dimensional (3D) environment. While molecular and cellular studies have long used this platform to study cell behavior in 3D, only recently have studies using multicellular spheroids shown an important role for the mechanics of the microenvironment in a wide range of cellular processes, including during tumor progression. Despite the well-established relevance of mechanical cues to cell behavior and the numerous studies on mechanics using 2D cell culture systems, the spatial and temporal variations in endogenous cellular forces within growing multicellular aggregates remain unknown...
September 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28885706/halloysite-nanocapsules-containing-thyme-essential-oil-preparation-characterization-and-application-in-packaging-materials
#5
Si-Hoon Jang, So-Ri Jang, Gyeong-Min Lee, Jee-Hoon Ryu, Su-Il Park, No-Hyung Park
Halloysite nanotubes (HNTs), which are natural nanomaterials, have a hollow tubular structure with about 15 nm inner and 50 nm outer diameters. Because of their tubular shape, HNTs loaded with various materials have been investigated as functional nanocapsules. In this study, thyme essential oil (TO) was encapsulated successfully in HNTs using vacuum pulling methods, followed by end-capping or a layer-by-layer surface coating process for complete encapsulation. Nanocapsules loaded with TO were mixed with flexographic ink and coated on a paper for applications as food packaging materials...
September 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28812146/engineering-rhodosporidium-toruloides-for-the-production-of-very-long-chain-monounsaturated-fatty-acid-rich-oils
#6
Sandy Fillet, Carmen Ronchel, Carla Callejo, María-José Fajardo, Helena Moralejo, José L Adrio
Erucic acid (cis-docosa-13-enoic acid, C22:1∆13) and nervonic acid (cis-tetracosa-15-enoic acid, C24:1 ∆15) are important renewable feedstocks in plastic, cosmetic, nylon, and lubricant industries. Furthermore, nervonic acid is also applied to the treatment of some neurological diseases. However, the production of these two very long-chain fatty acids (VLCFA) is very limited as both are not present in the main vegetable oils (e.g., soybean, rapeseed, sunflower, and palm). Ectopic integration and heterologous expression of fatty acid elongases (3-ketoacyl-CoA synthases, KCS) from different plants in Rhodosporidium toruloides resulted in the de novo synthesis of erucic acid and nervonic acid in this oleaginous yeast...
October 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28764207/correspondence-comparative-efficacy-of-oil-pulling-and-chlorhexidine-on-oral-malodor-a-randomized-controlled-trial
#7
Ryan Armstrong
No abstract text is available yet for this article.
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28657130/a-compact-and-facile-microfluidic-droplet-creation-device-using-a-piezoelectric-diaphragm-micropump-for-droplet-digital-pcr-platforms
#8
Naoaki Okura, Yuta Nakashoji, Toshihiro Koshirogane, Masaki Kondo, Yugo Tanaka, Kohei Inoue, Masahiko Hashimoto
We have exploited a compact and facile microfluidic droplet creation device consisting of a poly(dimethylsiloxane) microfluidic chip possessing T-junction channel geometry, two inlet reservoirs, and one outlet reservoir, and a piezoelectric (PZT) diaphragm micropump with controller. Air was evacuated from the outlet reservoir using the PZT pump, reducing the pressure inside. The reduced pressure within the outlet reservoir pulled oil and aqueous solution preloaded in the inlet reservoirs into the microchannels, which then merged at the T-junction, successfully forming water-in-oil emulsion droplets at a rate of ∼1000 per second with minimal sample loss...
October 2017: Electrophoresis
https://www.readbyqxmd.com/read/28546949/properties-of-macerated-herbal-oil
#9
Fahsai Kantawong, Supawatchara Singhatong, Aomjai Srilamay, Kantarose Boonyuen, Niroot Mooti, Phenphichar Wanachantararak, Thasaneeya Kuboki
Introduction: The addition of herbs into hot sesame oil could increase the oil-pulling efficiency of sesame oil. The aim of present study was to modify the proportion of herbs and sesame oil with the addition of other ingredients including menthol, camphor, and borneol and improve the medicinal properties and the scent of the oil. Methods: Macerated herbal oil was prepared by heat extraction of five species of herbs (Zingiber cassumunar, Zingiber zerumbet, Plantago major Linn, Citrus hystrix, and Amomum biflorum) with hot sesame oil...
2017: BioImpacts: BI
https://www.readbyqxmd.com/read/28507055/adhesion-and-friction-of-the-smooth-attachment-system-of-the-cockroach-gromphadorhina-portentosa-and-the-influence-of-the-application-of-fluid-adhesives
#10
Oliver Betz, Melina Frenzel, Michael Steiner, Martin Vogt, Malte Kleemeier, Andreas Hartwig, Benjamin Sampalla, Frank Rupp, Moritz Boley, Christian Schmitt
Two different measurement techniques were applied to study the attachment of the smooth foot pads of the Madagascar hissing cockroach Gromphadorhina portentosa The attachment of the non-manipulated adhesive organs was compared with that of manipulated ones (depletion or substitution by artificial secretions). From measurements of the friction on a centrifuge, it can be concluded that on nanorough surfaces, the insect appears to benefit from employing emulsions instead of pure oils to avoid excessive friction...
May 15, 2017: Biology Open
https://www.readbyqxmd.com/read/28363991/regulatory-phosphorylation-of-bacterial-type-pep-carboxylase-by-the-ca-2-dependent-protein-kinase-rccdpk1-in-developing-castor-oil-seeds
#11
Sheng Ying, Allyson T Hill, Michal Pyc, Erin M Anderson, Wayne A Snedden, Robert T Mullen, Yi-Min She, William C Plaxton
Phosphoenolpyruvate carboxylase (PEPC) is a tightly controlled cytosolic enzyme situated at a crucial branch point of central plant metabolism. In developing castor oil seeds (Ricinus communis) a novel, allosterically desensitized 910-kD Class-2 PEPC hetero-octameric complex, arises from a tight interaction between 107-kD plant-type PEPC and 118-kD bacterial-type (BTPC) subunits. The native Ca(2+)-dependent protein kinase (CDPK) responsible for in vivo inhibitory phosphorylation of Class-2 PEPC's BTPC subunit's at Ser-451 was highly purified from COS and identified as RcCDPK1 (XP_002526815) by mass spectrometry...
June 2017: Plant Physiology
https://www.readbyqxmd.com/read/28250103/the-nematocyst-s-sting-is-driven-by-the-tubule-moving-front
#12
Sinwook Park, Gadi Piriatinskiy, Dan Zeevi, Jonathan Ben-David, Gilad Yossifon, Uri Shavit, Tamar Lotan
The nematocyst is the explosive injection system of the phylum Cnidaria, and is one of the fastest delivery systems found in Nature. Exploring its injection mechanism is key for understanding predator-prey interactions and protection against jellyfish stinging. Here we analyse the injection of jellyfish nematocysts and ask how the build-up of the poly-γ-glutamate (pγGlu) osmotic potential inside the nematocyst drives its discharge. To control the osmotic potential, we used a two-channel microfluidic system to direct the elongating nematocyst tubule through oil, where no osmotic potential can develop, while keeping the nematocyst capsule in water at all times...
March 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28217768/phased-peristaltic-micropumping-for-continuous-sampling-and-hardcoded-droplet-generation
#13
Adrian M Nightingale, Gareth W H Evans, Peixiang Xu, Byung Jae Kim, Sammer-Ul Hassan, Xize Niu
Droplet microfluidics has recently emerged as a new engineering tool for biochemical analysis of small sample volumes. Droplet generation is most commonly achieved by introducing aqueous and oil phases into a T-junction or a flow focusing channel geometry. This method produces droplets that are sensitive to changes in flow conditions and fluid composition. Here, we present an alternative approach using a simple peristaltic micropump to deliver the aqueous and oil phases in antiphase pulses resulting in a robust "chopping"-like method of droplet generation...
March 14, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28054076/push-pull-pyropheophorbides-for-nonlinear-optical-imaging
#14
Anjul Khadria, Yovan de Coene, Przemyslaw Gawel, Cécile Roche, Koen Clays, Harry L Anderson
Pyropheophorbide-a methyl ester (PPa-OMe) has been modified by attaching electron-donor and -acceptor groups to alter its linear and nonlinear optical properties. Regioselective bromination of the terminal vinyl position and Suzuki coupling were used to attach a 4-(N,N-diethylaminophenyl) electron-donor group. The electron-acceptor dicyanomethylene was attached at the cyclic ketone position through a Knoevenagel condensation. Four different derivatives of PPa-OMe, containing either electron-donor or electron-acceptor groups, or both, were converted to hydrophilic bis-TEG amides to generate a series of amphiphilic dyes...
January 5, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28053895/oil-pulling-for-maintaining-oral-hygiene-a-review
#15
REVIEW
Vagish Kumar L Shanbhag
Oil pulling is a traditional folk remedy practiced in ancient India. It is believed to cure more than thirty systemic diseases when practiced regularly and as directed. Due to occurrence of side effects to modern medicines and oral hygiene products, people are increasingly attracted towards complementary and traditional practices. Oil pulling in addition to offering several oral health benefits has also beneficial effects on overall health. The present article attempts to review and discuss this ancient practice...
January 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/28051163/adaptable-bioinspired-special-wetting-surface-for-multifunctional-oil-water-separation
#16
Maryna N Kavalenka, Felix Vüllers, Jana Kumberg, Claudia Zeiger, Vanessa Trouillet, Sebastian Stein, Tanzila T Ava, Chunyan Li, Matthias Worgull, Hendrik Hölscher
Inspired by the multifunctionality of biological surfaces necessary for the survival of an organism in its specific environment, we developed an artificial special wetting nanofur surface which can be adapted to perform different functionalities necessary to efficiently separate oil and water for cleaning accidental oil spills or separating industrial oily wastewater. Initial superhydrophobic nanofur surface is fabricated using a hot pulling method, in which nano- and microhairs are drawn out of the polymer surface during separation from a heated sandblasted steel plate...
January 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28046146/prediction-of-porcine-carcass-iodine-value-based-on-diet-composition-and-fatty-acid-intake
#17
T A Kellner, G G Gourley, S Wisdom, J F Patience
The pig industry uses a variety of fat sources (FS) and fat levels (FL) in diets to increase energy content. The objective was to investigate the impact of FS and FL on rate and efficiency of gain, apparent total tract digestibility of dietary fat, and pork fat composition and test dietary predictors of carcass iodine value (IV). A total of 1,213 pigs (PIC 280 × PIC Camborough 42; PIC, Inc., Hendersonville, TN) with an initial BW of 32.0 ± 0.4 kg were randomly allotted to 1 of 6 dietary treatments on d 0...
December 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/28040932/coaxial-air-flow-device-for-the-production-of-millimeter-sized-spherical-hydrogel-particles
#18
Marcel Workamp, Sepideh Alaie, Joshua A Dijksman
We describe a method to produce millimeter-sized hydrogel particles, by dispersing aqueous droplets in an oil using a nozzle and subsequently solidifying them. We show that we can vary the size of the particles using an air flow along the nozzle. The resulting particle size can be well predicted by a simple model where a drag force generated by the air flow, adds to the weight pulling the droplet from the nozzle. Particles produced using this method have diameters ranging from 0.7 to 2.3 mm. Production rates up to 0...
December 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27966509/the-effect-of-oil-pulling-with-rice-bran-oil-sesame-oil-and-chlorhexidine-mouth-rinsing-on-halitosis-among-pregnant-women-a-comparative-interventional-study
#19
RANDOMIZED CONTROLLED TRIAL
Faisal S Sheikh, Ramya R Iyer
CONTEXT: Rice bran oil, owing to its potential antioxidant benefits, could be an effective and novel alternative to sesame oil for oil pulling. As it is safe and a growingly popular edible oil, it may be acceptable during pregnancy, especially in the Indian context where women may be hesitant to use chemical plaque control methods for preventing halitosis. AIMS: The present study was conducted to compare the effects of oil pulling with rice bran oil, oil pulling with sesame oil, and oil pulling with chlorhexidine mouth rinsing on reducing halitosis among pregnant women...
September 2016: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/27694852/pulled-microcapillary-tube-resonators-with-electrical-readout-for-mass-sensing-applications
#20
Donghyuk Lee, Joonhui Kim, Nam-Joon Cho, Taewook Kang, Sangken Kauh, Jungchul Lee
This paper reports a microfabrication-free approach to make hollow channel mass sensors by pulling a glass capillary and suspending it on top of a machined jig. A part of the pulled section makes simple contact with an actuation node and a quartz tuning fork (QTF) which acts as a sensing node. The two nodes define a pulled micro capillary tube resonator (PμTR) simply supported at two contacts. While a piezo actuator beneath the actuation node excites the PμTR, the QTF senses the resonance frequency of the PμTR...
October 3, 2016: Scientific Reports
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