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https://www.readbyqxmd.com/read/28223797/fabrication-and-in-vitro-in-vivo-evaluation-of-amorphous-andrographolide-nanosuspensions-stabilized-by-d-%C3%AE-tocopheryl-polyethylene-glycol-1000-succinate-sodium-lauryl-sulfate
#1
Hongzhi Qiao, Lihua Chen, Tianqi Rui, Jingxian Wang, Ting Chen, Tingming Fu, Junsong Li, Liuqing Di
Andrographolide (ADG) is a diterpenoid isolated from Andrographis paniculata with a wide spectrum of biological activities, including anti-inflammatory, anticancer and hepatoprotective effects. However, its poor water solubility and efflux by P-glycoprotein have resulted in lower bioavailability. In this study, ADG nanosuspensions (ADG-NS) were prepared using a wet media milling technique followed by freeze drying. d-α-Tocopheryl polyethylene glycol 1000 succinate (TPGS), a surfactant that inhibits P-glycoprotein function, and sodium lauryl sulfate were used as surface stabilizers...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28219239/toward-ultra-low-interfacial-tension-measurement-through-jetting-dripping-transition
#2
Marie Moiré, Yannick Peysson, Benjamin Herzhaft, Nicolas Pannacci, François Gallaire, Laura Angello, Christine Dalmazzone, Andrea Fani, Annie Colin
In this paper, we present a dynamic microfluidic tensiometer able to perform measurements over more than four decades and which is suitable for high throughput experimentations. Depending on the flow rate of each phase, either droplets or jetting will be obtained. The transition between these two regimes relays on the Rayleigh-Plateau instability. This transition can be theoretically computed thanks to a linear analysis based on the convective and absolute instabilities theory. From this model, the interfacial tension between the two phases can be calculated...
February 20, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28216885/simultaneous-determination-of-eight-phenolic-acids-five-saponins-and-four-tanshinones-for-quality-control-of-compound-preparations-containing-danshen-sanqi-herb-pair-by-hplc-dad
#3
Hong Yao, Xiaomei Huang, Shaoguang Li, Youjia Wu, Xinhua Lin, Peiying Shi
BACKGROUND: The herb-pair, Salviaemiltiorrhizae (Danshen, DS) and Panaxnotoginseng (Sanqi,SQ), often occurs in traditional Chinese medicine prescriptions used for the treatment of cardiovascular diseases in clinics in Asian areas. Many commercial preparations containing the DS-SQ herb-pair were produced by various manufactures with the different production process. The raw materials were from different sources, which raised a challenge to control the quality of the herb-pair medicines...
January 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28216365/automated-pressure-controlled-cerebrospinal-fluid-drainage-during-open-thoracoabdominal-aortic-aneurysm-repair
#4
Yamume Tshomba, Marco Leopardi, Daniele Mascia, Andrea Kahlberg, Andrea Carozzo, Silvio Magrin, Germano Melissano, Roberto Chiesa
OBJECTIVE: Perioperative cerebrospinal fluid (CSF) drainage is a well-established technique for spinal cord protection during thoracoabdominal aortic aneurysm (TAAA) open repair and is usually performed using dripping chamber-based systems. A new automated device for controlled and continuous CSF drainage, designed to maintain CSF pressure around the desired set values, thus avoiding unnecessary drainage, is currently available. The aim of our study was to determine whether the use of the new LiquoGuard automated device (Möller Medical GmbH, Fulda, Germany) during TAAA open repair was safe and effective in maintaining the desired CSF pressure values and whether the incidence of complications was reduced compared with a standard catheter connected to a dripping chamber...
February 16, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28214254/normothermia-in-arthroplasty
#5
REVIEW
Mark W Allen, David J Jacofsky
Since the initial design of surgical theaters, the thermal environment of the operating suite itself has been an area of concern and robust discussion. In the 1950s, correspondence in the British Medical Journal discussed the most suitable design for a surgeon's cap to prevent sweat from dripping onto the surgical field. These deliberations stimulated questions about the effects of sweat-provoking environments on the efficiency of the surgical team, not to mention the effects on the patient. Although these benefits translate to implant-based orthopedic surgery, they remain poorly understood and, at times, ignored...
January 17, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28214220/comparison-of-the-hanging-drop-technique-and-running-drip-method-for-identifying-the-epidural-space-in-dogs
#6
Fernando Martinez-Taboada, José I Redondo
OBJECTIVE: To compare the running-drip and hanging-drop techniques for locating the epidural space in dogs. STUDY DESIGN: Prospective, randomized, clinical trial. ANIMALS: Forty-five healthy dogs requiring epidural anaesthesia. METHODS: Dogs were randomized into four groups and administered epidural anaesthesia in sternal (S) or lateral (L) recumbency. All blocks were performed by the same person using Tuohy needles with either a fluid-prefilled hub (HDo) or connected to a drip set attached to a fluid bag elevated 60 cm (RDi)...
January 8, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28212980/biofilm-formation-and-release-of-fluoride-from-dental-restorative-materials-in-relation-to-their-surface-properties
#7
Sebastian Hahnel, Andrei C Ionescu, Gloria Cazzaniga, Marco Ottobelli, Eugenio Brambilla
OBJECTIVES: To elucidate the impact of surface properties and the release of fluoride from different glass ionomer cements on biofilm formation. METHODS: Standardized specimens manufactured from various classes of glass ionomer cements (GICs), a resin-based composite (RBC), and human enamel were subjected to surface analyses. Subsequent to simulation of salivary pellicle formation, Streptococcus mutans biofilm formation was initiated using a drip flow reactor for 48h and 96h...
February 14, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28208943/role-of-prophylactic-tranexamic-acid-in-reducing-blood-loss-during-elective-caesarean-section-a-randomized-controlled-study
#8
Sj Dhivya Lakshmi, Reena Abraham
INTRODUCTION: Obstetric haemorrhage accounts for 20-25% of maternal mortality and morbidity. Anti-fibrinolytics are being widely used in field of surgery. It is also used to reduce heavy menstrual blood loss. AIM: To analyse the effectiveness of Tranexamic Acid (TXA) in reducing blood loss during elective caesarean section. MATERIALS AND METHODS: This interventional, randomized, parallel group study was done in the Department of Obstetrics and Gynaecolgy, PSG IMSR, Coimbatore, from June 2014 to May 2015...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208345/mechanical-stability-of-particle-stabilized-droplets-under-micropipette-aspiration
#9
Niveditha Samudrala, Jin Nam, Raphaël Sarfati, Robert W Style, Eric R Dufresne
We investigate the mechanical behavior of particle-stabilized droplets using micropipette aspiration. We observe that droplets stabilized with amphiphilic dumbbell-shaped particles exhibit a two-stage response to increasing suction pressure. Droplets first drip, then wrinkle and buckle like an elastic shell. While particles have a dramatic impact on the mechanism of failure, the mechanical strength of the droplets is only modestly increased. On the other hand, droplets coated with the molecular surfactant sodium dodecyl sulfate are even weaker than bare droplets...
January 2017: Physical Review. E
https://www.readbyqxmd.com/read/28206723/clinical-study-on-amplitude-integrated-electroencephalogram-in-cerebral-injury-caused-by-severe-neonatal-hyperbilirubinemia
#10
Hongwei Wu, Zhenguang Li, Jinfeng Liu, Gang Liu, Xia Yang
BACKGROUND: This study was designed in order to assess the validity of the use of amplitude-integrated electroencephalogram (aEEG) in cerebral injury caused by severe neonatal hyperbilirubinemia. METHODS: A total of 56 full-term neonates diagnosed with severe neonatal hyperbilirubinemia and admitted to the NICU of our hospital from July 2013 to December 2014 were continuously selected for the study. The total serum bilirubin (TSB) was higher than 342 μmo/l, and was dominated by a higher amount of unconjugated bilirubin...
February 15, 2017: Minerva Pediatrica
https://www.readbyqxmd.com/read/28195297/efficient-planar-n-i-p-type-heterojunction-flexible-perovskite-solar-cells-with-sputtered-tio2-electron-transporting-layers
#11
Sawanta S Mali, Chang Kook Hong, A I Inamdar, Hyunsik Im, Sang Eun Shim
The development of hybrid organo-lead trihalide perovskite solar cells (PSCs) comprising an electron transporting layer (ETL), a perovskite light absorber and a hole transporting layer (HTL) has received significant attention for their potential in efficient PSCs. However, the preparation of a compact and uniform ETL and the formation of a uniform light absorber layer suffer from a high temperature processing treatment and the formation of unwanted perovskite islands, respectively. A low temperature/room temperature processed ETL is one of the best options for the fabrication of flexible PSCs...
February 14, 2017: Nanoscale
https://www.readbyqxmd.com/read/28193431/a-comparative-study-of-diploid-versus-triploid-atlantic-salmon-salmo-salar-l-the-effects-of-rearing-temperatures-5-10-and-15%C3%A2-c-on-raw-material-characteristics-and-storage-quality
#12
Jørgen Lerfall, Pål Rune Hasli, Even Flønes Skare, Rolf Erik Olsen, Bjørn Tore Rotabakk, Bjørn Roth, Erik Slinde, Bjørg Egelandsdal
Several major market operators argue that the current level of knowledge about quality is too scant to justify a switch to a large-scale production of triploid salmon. The aim of the present study was, therefore, to elucidate how rearing conditions (5, 10 and 15°C) affect the flesh quality of triploid Atlantic salmon (Salmo salar L., 1.6±0.3kg). As a reference, diploid salmon kept under equal conditions and with equal genetics were used. The main design discriminant was the holding temperature; increased temperature gave increased blood lactate, rigor index (Ir), drip loss (DL), content of astaxanthin and intensity of redness, but reduced muscle pH, cathepsin activity and fillet lightness...
June 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28186843/risks-and-cough-aggravating-factors-in-prolonged-cough-epidemiological-observations-from-the-nagahama-cohort-study
#13
Hisako Matsumoto, Yumi Izuhara, Akio Niimi, Yasuharu Tabara, Tadao Nagasaki, Yoshihiro Kanemitsu, Kimihiko Murase, Tsuyoshi Oguma, Isao Ito, Shigeo Muro, Akihiro Sekine, Fumihiko Matsuda, Shinji Kosugi, Takeo Nakayama, Kazuo Chin, Michiaki Mishima
RATIONALE: Chronic cough hypersensitivity, a potentially important concept of chronic or prolonged cough, is featured by heightened cough response to low-intensity stimuli, which may be generated in the absence of airflow limitations or allergic conditions. However, there is little epidemiological evidence to support this. OBJECTIVES: In this large-scale community survey, we aimed to determine risks and cough-aggravating factors of prolonged cough, while focusing on serum IgE levels...
February 10, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28183305/controlling-of-growth-performance-lipid-deposits-and-fatty-acid-composition-of-chicken-meat-through-a-probiotic-lactobacillus-johnsonii-during-subclinical-clostridium-perfringens-infection
#14
Hesong Wang, Xueqin Ni, Lei Liu, Dong Zeng, Jing Lai, Xiaodan Qing, Guangyao Li, Kangcheng Pan, Bo Jing
BACKGROUND: Meat is considered as a major source of polyunsaturated fatty acid (PUFA) which is essential for humans, therefore its lipid level and fatty acid composition have drawn great attention. As no clinical sign can be found in chicks subclinically infected by Clostridium perfringens (CP), the meat may be purchased and eaten. The objective of the present study was to determine whether Lactobacillus johnsonii (LJ) can control the CP-caused impact on growth, lipid levels, fatty acid composition and other flavor or nutritional quality in the meat...
February 10, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28167512/e-cigarettes-and-dripping-among-high-school-youth
#15
Suchitra Krishnan-Sarin, Meghan Morean, Grace Kong, Krysten W Bold, Deepa R Camenga, Dana A Cavallo, Patricia Simon, Ran Wu
BACKGROUND: Electronic cigarettes (e-cigarettes) electrically heat and vaporize e-liquids to produce inhalable vapors. These devices are being used to inhale vapors produced by dripping e-liquids directly onto heated atomizers. The current study conducts the first evaluation of the prevalence rates and reasons for using e-cigarettes for dripping among high school students. METHODS: In the spring of 2015, students from 8 Connecticut high schools (n = 7045) completed anonymous surveys that examined tobacco use behaviors and perceptions...
February 6, 2017: Pediatrics
https://www.readbyqxmd.com/read/28152613/acclimatization-study-of-tagetes-lucida-l-in-egypt-and-the-chemical-characterization-of-its-essential-oils
#16
Elasyed A Omer, Saber F Hendawy, Rasha F Ismail, Giacomo L Petretto, Jonathan P Rourke, Giorgio Pintore
Seeds of Tagetes lucida were imported to Egypt from Canada and propagated under greenhouse conditions in peat moss media. Soil was sandy in texture and the irrigation system was dripping irrigation. The growth parameters were determined at five successive plant ages, fresh and dry weights of herb were determined at three successive plant ages. The yield of aerial parts after 175 days, was about 7.5 Mg/ha. The essential oil (EO) was extracted by hydro-distillation for three hours with a yield of about 0.5% (w/v)...
February 2, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28146302/simultaneous-determination-of-eight-bioactive-components-of-qishen-yiqi-dripping-pills-in-rat-plasma-using-uflc-ms-ms-and-its-application-to-a-pharmacokinetic-study
#17
Yaping Shao, Wen Zhang, Ling Tong, Jingyi Huang, Dongxiang Li, Wei Nie, Yan Zhu, Yunfei Li, Tao Lu
In this study, a rapid and reliable ultra-fast liquid chromatography-tandem mass spectrometry (UFLC-MS/MS) method was developed and validated for the simultaneous determination of eight active ingredients, including astragaloside IV (AIV), ononin (ONO), tanshinol (TSL), protocatechualdehyde (PCA), protocatechuic acid (PA), salvianolic acid D (SAD), rosmarinic acid (RA), and ginsenoside Rg1 (GRg1 ), in rat plasma. The plasma samples were pretreated by protein precipitation with acetonitrile. Chromatographic separation was performed on a Waters Acquity UPLC® BEH C18 column (1...
February 1, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28142125/potential-role-of-compost-and-green-manure-amendment-to-mitigate-soil-ghgs-emissions-in-mediterranean-drip-irrigated-maize-production-systems
#18
Annachiara Forte, Massimo Fagnano, Angelo Fierro
Organic fertilization can preserve soil organic matter (SOM) and is foreseen as an effective strategy to reduce green house gases (GHGs) emissions in agriculture. However, its effectiveness needs to be clarified under specific climate, crop management and soil characteristics. A field experiment was carried out in a Mediterranean drip irrigated maize system to assess the pattern of soil CO2 and N2O fluxes in response to the replacement of a typical bare fallow-maize cycle under urea fertilization (130 kg N ha(-1) y(-1)) (CONV) with: (i) bare fallow-maize cycles under two doses of compost (COM1 and COM2, 130 and 260 kg N ha(-1) y(-1), respectively) and (ii) a vetch-maize cycle, with vetch incorporation as green manure (130 kg N ha(-1) y(-1)) (GMAN)...
January 28, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28141955/investigational-new-drugs-for-allergic-rhinitis
#19
Peter A Ricketti, Sultan Alandijani, Chen Hsing Lin, Thomas B Casale
Allergic rhinitis (AR) is a multifactorial disease characterized by paroxysmal symptoms of sneezing, rhinorrhea, postnasal drip and nasal congestion. For over a century, subcutaneous allergen immunotherapy (SCIT) has been recognized as the most effective therapy to date that may modify the underlying disease course and provide long-term benefits for individuals refractory to pharmacotherapy. However, over the past 25 years, there has been substantial growth in developing alternative therapies to traditional SCIT...
January 31, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28128365/design-and-fabrication-of-a-passive-droplet-dispenser-for-portable-high-resolution-imaging-system
#20
Tahseen Kamal, Rachel Watkins, Zijian Cen, Jaden Rubinstein, Gary Kong, Woei Ming Lee
Moldless lens manufacturing techniques using standard droplet dispensing technology often require precise control over pressure to initiate fluid flow and control droplet formation. We have determined a series of interfacial fluid parameters optimised using standard 3D printed tools to extract, dispense and capture a single silicone droplet that is then cured to obtain high quality lenses. The dispensing process relies on the recapitulation of liquid dripping action (Rayleigh-Plateau instability) and the capturing method uses the interplay of gravitational force, capillary forces and liquid pinning to control the droplet shape...
January 27, 2017: Scientific Reports
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