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https://www.readbyqxmd.com/read/28809559/on-the-influence-of-the-bridge-on-triplet-state-delocalization-in-linear-porphyrin-oligomers
#1
Sabine Richert, Bart Limburg, Harry L Anderson, Christiane R Timmel
The extent of triplet state delocalization is investigated in rigid linear zinc porphyrin oligomers as a function of interporphyrin bonding characteristics, specifically in meso-meso singly linked and β,meso,β fused structures, using electron paramagnetic resonance techniques. The results are compared with those of earlier measurements on porphyrin oligomers with alkyne linkers exhibiting different preferred conformations. It is shown that dihedral angles near 90° between the porphyrin planes in directly meso-to-meso linked porphyrin oligomers lead to localization of the photoexcited triplet state on a single porphyrin unit, whereas previous work demonstrated even delocalization over two units in meso-to-meso ethyne or butadiyne-bridged oligomers, where the preferred dihedral angles amount to roughly 30° and 0°, respectively...
August 15, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28772129/the-effects-of-ankle-braces-and-taping-on-lower-extremity-running-kinematics-and-energy-expenditure-in-healthy-non-injured-adults
#2
Kaori Tamura, Kara N Radzak, Rachele E Vogelpohl, Bethany A Wisthoff, Yukiya Oba, Ronald K Hetzler, Christopher D Stickley
Ankle braces and taping are commonly used to prevent ankle sprains and allow return to play following injury, however, it is unclear how passive restriction of joint motion may effect running gait kinematics and energy expenditure during exercise. The purpose of this study was to determine the effect of different types of ankle supports on lower extremity kinematics and energy expenditure during continuous running. Thirteen healthy physically active adults ran at self-selected speed on the treadmill for 30min in four different ankle support conditions: semi-rigid hinged brace, lace-up brace, tape and control...
July 18, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28760693/the-effect-of-rigid-taping-with-tension-on-mechanical-displacement-of-the-skin-and-change-in-pain-perception
#3
Shu-Mei Chen, Sing Kai Lo, Jill Cook
OBJECTIVES: To investigate the effect of rigid taping that induces mechanical displacement of the skin on pain perception. DESIGN: Single group experiment design with repeated measures. METHODS: Twenty-three active healthy volunteers (12 men and 11 women) participated in the study. All participants received three different taping procedures: no tape, taping with tension, and taping without tension. The order of three taping conditions was randomised...
July 14, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28726053/the-effect-of-different-ankle-and-knee-supports-on-balance-in-early-ambulation-of-post-stroke-hemiplegic-patients
#4
Burcu Talu, Zilan Bazancir
The purpose of this study was to compare the effects of different ankle and knee supports on balance in early ambulation of post-stroke hemiplegic patients. This is a randomized experimental study. The study sample included 20 hemiplegic patients who were able to stand with support and who had been diagnosed with a cerebrovascular accident within the last month. A knee immobilization brace (KIB) was first placed on each individual (first application), followed by placement of knee immobilizer brace and Foot Lifter Orthosis ® (FLO) (second application), and lastly, placement of KIB and rigid taping (RT) (third application)...
July 19, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28714759/effects-of-rigid-and-kinesio-taping-on-shoulder-rotation-motions-posterior-shoulder-tightness-and-posture-in-asymptomatic-overhead-athletes-a-randomized-controlled-trial
#5
Damla Gulpinar, Sibel Tekeli Ozer, Sevgi S Yesilyaprak
CONTEXT: Alterations in posture and motion patterns are thought to play a role in developing shoulder injuries in overhead athletes. Taping is widely used in the sporting population, but there are limited empirical data regarding its effectiveness. OBJECTIVES: To determine and compare the effects of rigid and kinesio taping on shoulder rotation motions, posterior shoulder tightness (PST) and posture in overhead athletes. DESIGN: Randomized controlled trial...
July 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28680613/modified-putty-index-matrix-technique-with-mylar-strip-and-a-new-classification-for-selecting-the-type-of-matrix-in-anterior-proximal-incisal-composite-restorations
#6
I Anand Sherwood, Mensudar Rathakrishnan, Kamatchi Subramanian Savadamaoorthi, Puridi Bhargavi, Vasanthan Vignesh Kumar
Matrix technique described in this article combines the advantages of both flexible and rigid matrix in anterior composite restorations. Using mylar strip provide advantages, of one utilizing the mylar strip for contouring the labial aspect of restoration thereby, and overcomes the problem in adapting the teflon tape around the tooth.
July 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28622724/porphyrin-arch-tapes-synthesis-contorted-structures-and-full-conjugation
#7
Norihito Fukui, Taeyeon Kim, Dongho Kim, Atsuhiro Osuka
Porphyrin tapes possessing meso-meso β-β β-β triple direct linkages have been targets of extensive studies because of their fully conjugated characteristic π-electronic networks. In this paper, we report porphyrin arch-tapes that bear additional carbonyl group(s) or methylene group(s) inserted between one of the β-β linkage(s) of the porphyrin tapes. The carbonyl-inserted porphyrin arch-tapes were efficiently synthesized by double fusion reactions of β-to-β carbonyl-bridged porphyrin oligomers with DDQ and Sc(OTf)3, and were converted to the methylene-bridged porphyrin arch-tapes via Luche reduction with NaBH4 and CeCl3 followed by ionic hydrogenation with HBF4·OEt2 and BH3·NEt3...
June 23, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28507159/investigation-of-hindwing-folding-in-ladybird-beetles-by-artificial-elytron-transplantation-and-microcomputed-tomography
#8
Kazuya Saito, Shuhei Nomura, Shuhei Yamamoto, Ryuma Niyama, Yoji Okabe
Ladybird beetles are high-mobility insects and explore broad areas by switching between walking and flying. Their excellent wing transformation systems enabling this lifestyle are expected to provide large potential for engineering applications. However, the mechanism behind the folding of their hindwings remains unclear. The reason is that ladybird beetles close the elytra ahead of wing folding, preventing the observation of detailed processes occurring under the elytra. In the present study, artificial transparent elytra were transplanted on living ladybird beetles, thereby enabling us to observe the detailed wing-folding processes...
May 30, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28483559/effect-of-taping-on-multi-segmental-foot-kinematic-patterns-during-walking-in-persons-with-chronic-ankle-instability
#9
Bart Dingenen, Kevin Deschamps, Frauke Delchambre, Evelien Van Peer, Filip F Staes, Giovanni A Matricali
OBJECTIVES: To evaluate multi-segmental foot kinematic patterns in chronic ankle instability (CAI) participants during walking, and to investigate the influence of high-Dye and low-Dye taping on these kinematic patterns. DESIGN: Cross-sectional study. METHODS: Kinematic data of 12 non-injured controls and 15 CAI participants were measured with a three-dimensional motion analysis system during barefoot walking. In addition, the CAI participants walked with high-Dye and low-Dye taping...
April 21, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28352939/rigid-shoulder-taping-with-physiotherapy-in-patients-with-subacromial-pain-syndrome-a-randomized-controlled-trial
#10
RANDOMIZED CONTROLLED TRIAL
Adri T Apeldoorn, Steven J Kamper, Joeri Kalter, Dirk L Knol, Maurits W van Tulder, Raymond W Ostelo
OBJECTIVE: To assess the effectiveness of individualized physiotherapy in combination with rigid taping compared with individualized physiotherapy alone in patients with subacromial pain syndrome. DESIGN: A prospective randomized trial with concealed allocation. PATIENTS: A total of 140 patients between 18 and 65 years of age from primary physiotherapy settings. METHODS: The intervention group received individualized physiotherapy and shoulder taping...
April 6, 2017: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28293530/is-rigid-nasal-splinting-needed-after-rhinoplasties-an-18-year-experience-using-surgical-tape
#11
Pedro Vidal, Juan Enrique Berner
No abstract text is available yet for this article.
December 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28293519/is-rigid-nasal-splinting-needed-after-rhinoplasties-an-18-year-experience-using-surgical-tape
#12
Pedro Vidal, Juan Enrique Berner
No abstract text is available yet for this article.
December 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28240727/under-pressure-the-utility-of-spacers-in-univalved-fiberglass-casts
#13
Kevin Kleis, John A Schlechter, Joshua D Doan, Christine L Farnsworth, Eric W Edmonds
BACKGROUND: Univalving fiberglass casts after fracture manipulation or extremity surgery reduces the risk of developing compartment syndrome (CS). Previous experiments have demonstrated that univalving decreases intracompartmental pressures (ICPs), but increases the risk for loss of fracture reduction due to altering the mechanical properties of the cast. The purpose of this study was to correlate cast valve width within a univalved cast model to decreasing ICP. METHODS: Saline bags (1 L) were covered with stockinette, Webril, and fiberglass tape then connected to an arterial pressure line monitor...
February 24, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28192908/beyond-conventional-patterns-new-electrochemical-lithography-with-high-precision-for-patterned-film-materials-and-wearable-sensors
#14
Xiaowei Zhang, Shaojun Guo, Yanchao Han, Jing Li, Erkang Wang
We report a simple, low-cost, and brand-new electrochemical lithography technique for replicating the template pattern with high resolution at ∼2 μm. The developed method is that the electroactive material is first deposited on the patterned conductive template by the electrochemical technique and then peeled by an adhesive tape/material. The resulting film with the precise pattern shows excellent mechanical and electronic properties and promises high prospect in designing flexible electronics. This interesting approach can be performed at ambient conditions and easily generalized to pattern various electroactive materials covering metal, alloy, nonmetal, salt, oxide, and composite on different types of substrates in several seconds to a few minutes, making the mass production of flexible/rigid/stretchable patterned thin films quite possible...
February 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/27999840/identification-and-characterization-of-inter-organizational-information-flows-in-the-portuguese-national-health-service
#15
Eduardo Pinto, António Carvalho Brito, Ricardo João Cruz-Correia
OBJECTIVES: To understand and build a collective vision of all existing institutions in the Portuguese National Health Service as well as to perceive how and how far the interaction between those multiple institutions is supported by Information Systems (IS). METHODS: Upon identification of the institutions involved in the healthcare process, a set of interviews with experienced people from those institutions was conducted, which produced about five hours of tape...
December 21, 2016: Applied Clinical Informatics
https://www.readbyqxmd.com/read/27916354/accurate-assessment-of-bowel-length-the-method-of-measurement-matters
#16
COMPARATIVE STUDY
Eleanor D Muise, John J Tackett, Kevin A Callender, Neeru Gandotra, Michaela C Bamdad, Robert A Cowles
PURPOSE: Small intestinal length has prognostic significance for patients with short bowel syndrome, and accurate measurement of Roux-en-Y limbs is considered important. The flexible elasticity of bowel makes its measurement highly subjective, yet a recommended method for intestinal measurement allowing accurate comparisons between surgeons remains undefined. Measurement of intestinal length has been described, but no comparison of the fidelity of measurement technique has been made. We hypothesized that silk suture and umbilical tape would yield the most consistent measurements...
November 2016: Journal of Surgical Research
https://www.readbyqxmd.com/read/27859284/comparison-of-rehydration-techniques-for-fingerprinting-the-deceased-after-mummification
#17
Chun-Chieh Chen, Chao-Kai Yang, Chun-Yu Chen, Henry C Lee, Sheng-Meng Wang
Postmortem decay causes fingertip decomposition, desiccation, shriveling, and rigidity, reducing the possibility of obtaining sufficiently clear fingerprints for identification. In this study, five rehydration solutions (ammonium hydroxide, sodium carbonate, potassium hydroxide, urea, and warm water) followed by three fingerprint recording methods (photograph, inking roll, and dusting tape) were investigated to process mummified fingertips from an unidentified cadaver. The results show that sodium carbonate treatment is the most effective for minutiae restoration, followed by ammonium hydroxide treatment...
January 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/27694905/in-situ-growth-of-highly-adhesive-surface-layer-on-titanium-foil-as-durable-counter-electrodes-for-efficient-dye-sensitized-solar-cells
#18
Wantao Liu, Peng Xu, Yanjun Guo, Yuan Lin, Xiong Yin, Guangshi Tang, Meng He
Counter electrodes (CEs) of dye-sensitized solar cells (DSCs) are usually fabricated by depositing catalytic materials on substrates. The poor adhesion of the catalytic material to the substrate often results in the exfoliation of catalytic materials, and then the deterioration of cell performance or even the failure of DSCs. In this study, a highly adhesive surface layer is in situ grown on the titanium foil via a facile process and applied as CEs for DSCs. The DSCs applying such CEs demonstrate decent power conversion efficiencies, 6...
October 3, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27684089/high-throughput-multi-image-cryohistology-of-mineralized-tissues
#19
Nathaniel A Dyment, Xi Jiang, Li Chen, Seung-Hyun Hong, Douglas J Adams, Cheryl Ackert-Bicknell, Dong-Guk Shin, David W Rowe
There is an increasing need for efficient phenotyping and histopathology of a variety of tissues. This phenotyping need is evident with the ambitious projects to disrupt every gene in the mouse genome. The research community needs rapid and inexpensive means to phenotype tissues via histology. Histological analyses of skeletal tissues are often time consuming and semi-quantitative at best, regularly requiring subjective interpretation of slides from trained individuals. Here, we present a cryohistological paradigm for efficient and inexpensive phenotyping of mineralized tissues...
September 14, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27659542/assessing-size-and-strength-of-the-clavicle-for-its-usefulness-for-sex-estimation-in-a-british-medieval-sample
#20
Thomas Atterton, Isabelle De Groote, Constantine Eliopoulos
The construction of the biological profile from human skeletal remains is the foundation of anthropological examination. However, remains may be fragmentary and the elements usually employed, such as the pelvis and skull, are not available. The clavicle has been successfully used for sex estimation in samples from Iran and Greece. In the present study, the aim was to test the suitability of the measurements used in those previous studies on a British Medieval population. In addition, the project tested whether discrimination between sexes was due to size or clavicular strength...
October 2016: Homo: Internationale Zeitschrift Für die Vergleichende Forschung Am Menschen
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