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https://www.readbyqxmd.com/read/29777972/adsorption-kinetics-of-heptadecafluoro-1-nonanol-phase-transition-and-mixed-control
#1
Alvin Casandra, Boris A Noskov, Min-Yu Hu, Shi-Yow Lin
HYPOTHESIS: The adsorption kinetics of heptadecafluoro-1-nonanol (C9 H2 F17 OH) onto a clean air-water interface at low surfactant concentrations (equilibrium surface tension, γ(C) > 65 mN/m) has been reported, and the controlling mechanism was found to be mixed diffusive-kinetic controlled (Kuo et al., JCIS 402 (2013) 131). However, it remains to be determined what the adsorption kinetics are at higher concentrations. Hence, the dynamic surface tension, γ(t) of C9 H2 F17 OH was measured and compared with the theoretical γ(t) curves predicted from phase transition model...
May 12, 2018: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/29777665/acceptability-and-feasibility-of-a-sexual-health-intervention-for-young-adult-black-women
#2
Tiffany M Montgomery, Vickie M Mays, MarySue V Heilemann, Adey Nyamathi, Jose A Bauermeister, Deborah Koniak-Griffin
OBJECTIVE: To assess the acceptability and feasibility of S2S, a newly adapted behavior intervention to address high-risk sexual behavior. DESIGN: Pilot randomized controlled trial. SETTING: The Internet and text messages with no in-person interactions. PARTICIPANTS: Eighty-eight Black women, ages 18 to 24 years, were randomly assigned to the intervention or control groups and self-enrolled in the respective text message program...
May 16, 2018: Journal of Obstetric, Gynecologic, and Neonatal Nursing: JOGNN
https://www.readbyqxmd.com/read/29777506/an-extended-kalman-filter-for-mouse-tracking
#3
Hongjun Choi, Mingi Kim, Onseok Lee
Animal tracking is an important tool for observing behavior, which is useful in various research areas. Animal specimens can be tracked using dynamic models and observation models that require several types of data. Tracking mouse has several barriers due to the physical characteristics of the mouse, their unpredictable movement, and cluttered environments. Therefore, we propose a reliable method that uses a detection stage and a tracking stage to successfully track mouse. The detection stage detects the surface area of the mouse skin, and the tracking stage implements an extended Kalman filter to estimate the state variables of a nonlinear model...
May 19, 2018: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/29777384/contribution-of-different-tarsal-attachment-devices-to-the-overall-attachment-ability-of-the-stink-bug-nezara-viridula
#4
Gianandrea Salerno, Manuela Rebora, Alexander Kovalev, Elena Gorb, Stanislav Gorb
The tarsal attachment devices of the southern green stink bug Nezara viridula, a cosmopolitan pest of different crops, encompass a pair of claws, distal pretarsal smooth pulvilli, and a proximal hairy pad on the ventral basitarsus. To evaluate the role of these attachment devices in generating attachment, behavioural experiments testing locomotion of insects with ablated pulvilli, shaved hairs and cut-off claws were performed. Using traction force experiments, insect attachment performance was evaluated on artificial substrates characterised by different roughness and on two substrates with different surface energies in the air and under water...
May 17, 2018: Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology
https://www.readbyqxmd.com/read/29777379/the-effects-of-a-video-based-education-in-women-with-newly-diagnosed-breast-cancer-in-singapore
#5
May Leng Tan, Kim Hua Lee, Wei Sean Yong, Cheryl Rodgers
PURPOSE: The purpose of this study was to evaluate the impact of an educational video among women who were newly diagnosed with breast cancer on knowledge, anxiety, and satisfaction with their surgical decision. METHODS: A pre-post-test design was used to evaluate knowledge, anxiety, and satisfaction levels with decision-making regarding surgery among women with breast cancer. A purposive sampling strategy was implemented to compare outcomes of newly diagnosed breast cancer women who received standard of care that included breast care nurse counseling sessions and written materials to women who received standard of care plus a supplement educational video...
May 18, 2018: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29777356/visuospatial-abilities-and-fine-motor-experiences-influence-acquisition-and-maintenance-of-fundamentals-of-laparoscopic-surgery-fls-task-performance
#6
Cuan M Harrington, Patrick Dicker, Oscar Traynor, Dara O Kavanagh
BACKGROUND: Minimally invasive surgery poses a unique learning curve due to the requirement for non-intuitive psychomotor skills. The fundamentals of laparoscopic surgery (FLS) program trains and certifies residents in such skills. However, innate predictors of FLS performance and maintenance remain to be described. This single-centre observational study aimed to assess for candidate factors influencing the acquisition and maintenance of FLS performance amongst a surgically naïve cohort...
May 18, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29777115/a-randomized-controlled-pilot-trial-of-game-based-training-in-individuals-with-spinocerebellar-ataxia-type-3
#7
Ray-Yau Wang, Fang-Yi Huang, Bing-Wen Soong, Shih-Fong Huang, Yea-Ru Yang
Exergames are interactive video games used for exercise and may have therapeutic value in people with degenerative ataxia. The purpose of this study was to investigate potential effects of exergaming training on cerebellar ataxia in people with spinocerebellar ataxia type 3 (SCA3). Nine individuals with SCA3 were recruited and randomized to either exergaming or conventional group for a 4-week training period. The severity of ataxia was measured as the primary outcome by the Scale for the Assessment and Rating of Ataxia (SARA) and by the directional control of the limit of stability test...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29776995/kinematic-control-of-male-allen-s-hummingbird-wing-trill-over-a-range-of-flight-speeds
#8
Christopher J Clark, Emily A Mistick
Wing trills are pulsed sounds produced by modified wing feathers at one or more specific points in time during a wingbeat. Male Allen's Hummingbird ( Selasphorus sasin ) produce a sexually dimorphic 9 kHz wing trill in flight. Here we investigate the kinematic basis for trill production. The wingtip velocity hypothesis posits that trill production is modulated by the airspeed of the wingtip at some point during the wingbeat, whereas the wing rotation hypothesis posits that trill production is instead modulated by wing rotation kinematics...
May 18, 2018: Journal of Experimental Biology
https://www.readbyqxmd.com/read/29776902/an-internet-based-radiology-course-in-medical-school-comparison-of-academic-performance-of-students-on-campus-versus-those-with-absenteeism-due-to-residency-interviews
#9
Andrew George Alexander, Deborah Deas, Paul Eric Lyons
BACKGROUND: Imaging and its optimal use are imperative to the practice of medicine, yet many students don't receive a formal education in radiology. Concurrently, students look for ways to take time away from medical school for residency interviewing. Web-based instruction provides an opportunity to combine these imperatives using online modalities. OBJECTIVE: A largely Web-based course in radiology during the 4th year of medical school was evaluated both for its acceptance to students who needed to be away from campus for interviews, and its effectiveness on a nationally administered standardized test...
May 18, 2018: JMIR Medical Education
https://www.readbyqxmd.com/read/29776899/increasing-physical-activity-in-mothers-using-video-exercise-groups-and-exercise-mobile-apps-randomized-controlled-trial
#10
Maya Nina Mascarenhas, June Maylin Chan, Eric Vittinghoff, Erin Lynn Van Blarigan, Frederick Hecht
BACKGROUND: Women significantly decrease their activity levels in the transition to motherhood. Digital health technologies are low cost, scalable, and can provide an effective delivery mechanism for behavior change. This is the first study that examines the use of videoconferencing and mobile apps to create exercise groups for mothers. OBJECTIVE: The aim of the study was to test the feasibility, acceptability, and effectiveness of an individually adaptive and socially supportive physical activity intervention incorporating videoconferencing and mobile apps for mothers...
May 18, 2018: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/29776698/transoral-videolaryngoscopic-surgery-for-papillary-carcinoma-arising-in-lingual-thyroid
#11
Chisato Mogi, Hirotaka Shinomiya, Natsumi Fujii, Tomoyuki Tsuruta, Naruhiko Morita, Tatsuya Furukawa, Masanori Teshima, Maki Kanzawa, Mitsuyoshi Hirokawa, Naoki Otsuki, Ken-Ichi Nibu
Carcinoma arising in lingual thyroid is an extremely rare entity accounting for only 1% of all reported ectopic thyroids. Here, we report a case of carcinoma arising in lingual thyroid, which has been successfully managed by transoral resection and bilateral neck dissections. A lingual mass 4-cm in diameter with calcification was incidentally detected by computed tomography at medical check-up. No thyroid tissue was observed in normal position. Ultrasound examination showed bilateral multiple lymphadenopathies...
May 15, 2018: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/29776534/an-investigation-into-online-videos-as-a-source-of-safety-hazard-reports
#12
Leila Nasri, Milad Baghersad, Richard Gruss, Nico Sung Won Marucchi, Alan S Abrahams, Johnathon P Ehsani
INTRODUCTION: Despite the advantages of video-based product reviews relative to text-based reviews in detecting possible safety hazard issues, video-based product reviews have received no attention in prior literature. This study focuses on online video-based product reviews as possible sources to detect safety hazards. METHODS: We use two common text mining methods - sentiment and smoke words - to detect safety issues mentioned in videos on the world's most popular video sharing platform, YouTube...
June 2018: Journal of Safety Research
https://www.readbyqxmd.com/read/29776531/an-evaluation-of-a-college-campus-emergency-preparedness-intervention
#13
Christofer Skurka, Brian L Quick, Tobias Reynolds-Tylus, Todd Short, Ann L Bryan
INTRODUCTION: Given the range of emergencies that beset postsecondary institutions, university administrators must take a multimodal approach to prepare campus stakeholders for safety threats. One such strategy is emergency preparedness communication. METHODS: In the present investigation, we tested the efficacy of a professionally produced video that uses the federally endorsed slogan, Run-Hide-Fight(r). Undergraduate students participated in a quasi-experiment with a pretest-posttest-delayed posttest control group design...
June 2018: Journal of Safety Research
https://www.readbyqxmd.com/read/29776376/hybrid-surgery-in-treatment-of-pulmonary-sequestration-with-abdominal-aorta-feeding-vessel-a-case-report
#14
Haining Zhou, Shoujun Tang, Quanshui Fu, Li Yu, Lunxu Liu
BACKGROUND: Pulmonary sequestration is a rare congenital pulmonary dysplasia, which requires surgical resection (either via open thoracotomy or video-assisted thoracoscopic surgery [VATS] or via endoluminal occlusion of the abnormal feeding vessel). CASE PRESENTATION: We described a 51-year-old female patient with a history of recurrent cough and repeated pneumonia. She was referred to our hospital for further work-up of pulmonary sequestration. We performed a hybrid surgery (i...
May 18, 2018: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/29775466/perception-of-aesthetics-and-personality-traits-in-orthognathic-surgery-patients-a-comparison-of-still-and-moving-images
#15
Klaus Sinko, Ulrich S Tran, Arno Wutzl, Rudolf Seemann, Gabriele Millesi, Reinhold Jagsch
It is common in practicing orthognathic surgery to evaluate faces with retruded or protruded chins (dysgnathic faces) using photographs. Because motion may alter how the face is perceived, we investigated the perception of faces presented via photographs and videos. Two hundred naïve raters (lay persons, without maxillo facial surgery background) evaluated 12 subjects with varying chin anatomy [so-called skeletal Class I (normal chin), Class II (retruded chin), and Class III (protruded chin)]. Starting from eight traits, with Factor analysis we found a two-Factor solution, i...
2018: PloS One
https://www.readbyqxmd.com/read/29774824/technique-of-percutaneous-nephrolithotomy
#16
Ahmed Ibrahim, Daniel Wollin, Glenn Preminger, Sero Andonian
According to the latest American and European Urological Association guidelines, percutaneous nephrolithotomy (PNL) is the current gold standard treatment for patients presenting with symptomatic large or complex renal stones ≥2 cm. This review chapter and accompanying videos will review the latest literature on indications, preoperative preparations, different patient positions, in addition to step by step explanations for the technique of PNL. Postoperative care and troubleshooting tips are provided. Furthermore, latest reported outcomes are reviewed...
May 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29774821/minimally-invasive-retroperitoneal-lymphadenectomy
#17
Lukas Lusuardi, Thomas Kunit, Günter Janetschek
The feasibility of laparoscopic retroperitoneal lymphadenectomy (RLA) for testicular cancer was shown >25 years ago. Initially the indication was clinical stage I (CS I) nonseminomatous germ cell tumor (NSGCT). Compared with that of open surgery, the morbidity was much decreased. However, in Europe, surgery for CS I is now replaced by chemotherapy. A relatively new indication is laparoscopic retroperitonal lymphadenectomy for small unilateral residual tumor after chemotherapy. The technique of unilateral lymphadenectomy for both indications is described in detail and with a video...
May 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29774820/robotic-sacral-colpopexy
#18
Charles R Powell, Isamu Tachibana, Bridget Eckrich, Jeffrey Rothenberg, Jon Hathaway
INTRODUCTION AND OBJECTIVE: Robot-assisted sacral colpopexy (RASC) is a fast growing approach for surgeons treating patients with advanced stage pelvic organ prolapse (POP). Open abdominal sacral colpopexy has been the gold standard for advanced POP but requires longer hospital stays and a much larger incision. The indications, preoperative preparation, operative positioning, and operative steps are detailed, and an accompanying video shows the approach. METHODS: RASC can be broken down into 11 steps and the reader will be able to reference the article to the corresponding portion of the video...
May 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29774816/holmium-laser-enucleation-of-the-prostate
#19
Marcelino E Rivera, James E Lingeman, Amy E Krambeck
INTRODUCTION: Holmium laser enucleation of the prostate (HoLEP) offers superior voiding outcomes to traditional transurethral resection and less morbidity than open simple prostatectomy. Likewise, HoLEP has been determined to result in excellent outcomes regardless of gland size. We present a step-by-step surgical approach to HoLEP describing both the traditional enucleation technique and a modified "top-down" surgical technique. MATERIALS AND METHODS: In this video, two techniques are presented that were performed by two (A...
May 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29774814/robotic-pyeloplasty
#20
Andrew Bergersen, Raju Thomas, Benjamin R Lee
Historically, the gold standard for management of ureteropelvic junction obstruction (UPJO) has been open pyeloplasty. However, continued technological and surgical advances have ultimately led to the robotic approach. Continued advances in minimally invasive surgery have led to shorter hospital stays and hastened recovery. Here we present our step by step guide and video to robotic-assisted laparoscopic pyeloplasty.
May 2018: Journal of Endourology
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