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Youju Huang, Liwei Dai, Liping Song, Lei Zhang, Yun Rong, Jiawei Zhang, Zhihong Nie, Tao Chen
We present the uniform and high-yield synthesis of a novel gold nanostructure of compass shape composed of a Au sphere at the central and two gradually thinning conical tips at the opposed poles. The Au compass shapes were synthesized through a seed-mediated growth approach employing a binary mixture of cetyltrimethylammonium bromide (CTAB) and sodium oleate (NaOL) as the structure-directing agents. Under the condition of single surfactant (CTAB), the spherical seeds tend to grow into larger spherical Au nanoparticles (NPs); while the spherical seeds favor the formation of Au compass shaped NPs using two mixed surfactants (CTAB/NaOL)...
October 4, 2016: ACS Applied Materials & Interfaces
Recep Vatansever, Mehmet Emin Uras, Ugur Sen, Ibrahim Ilker Ozyigit, Ertugrul Filiz
A transcription factor DREB1A (dehydration-responsive element-binding 1A) gene was amplified and sequenced from the common bean (Phaseolus vulgaris). PvDREB1A had a 777 base pairs (bp) open reading frame encoding a protein of 225 residues. The protein sequence contained a conserved DNA-binding AP2 domain of about 60 residues and a nuclear localization signal (NLS) at N-terminus site. PvDREB1A demonstrated high homology with other DREB1 members only in AP2 domain and NLS site. The phylogenetic distribution of different DREB members showed three main groups as DREB1-3 and PvDREB1A was a member of DREB1 group...
October 14, 2016: Journal of Biomolecular Structure & Dynamics
Si-Huei Lee, Shih-Ching Yeh, Rai-Chi Chan, Shuya Chen, Geng Yang, Li-Rong Zheng
Objective. This study aims to extract motor ingredients through data mining from wearable sensors in a virtual reality goal-directed shoulder rehabilitation (GDSR) system and to examine their effects toward clinical assessment. Design. A single-group before/after comparison. Setting. Outpatient research hospital. Subjects. 16 patients with frozen shoulder. Interventions. The rehabilitation treatment involved GDSR exercises, hot pack, and interferential therapy. All patients first received hot pack and interferential therapy on the shoulder joints before engaging in the exercises...
2016: BioMed Research International
Megan L Keen, Kevin C Miller
: Clinical Scenario: Exercise performed in hot and humid environments increases core body temperature (TC). If TC exceeds 40°C for prolonged periods of time, exertional heat stroke (EHS) may occur. EHS is one of the leading causes of sudden death in athletes. Mortality and morbidity increase the longer the patient's TC remains above 40°C; thus, it is imperative to initiate cooling as quickly as possible. "Acceptable" cooling rates in EHS situations are between 0.08°C·min-1 and 0.15°C·min-1 while "ideal" cooling rates are above 0...
August 24, 2016: Journal of Sport Rehabilitation
Taerin Chung, Tugba Koker, Fabien Pinaud
The assembly of plasmonic metal nanoparticles into hot spot surface-enhanced Raman scattering (SERS) nanocluster probes is a powerful, yet challenging approach for ultrasensitive biosensing. Scaffolding strategies based on self-complementary peptides and proteins are of increasing interest for these assemblies, but the electronic and the photonic properties of such hybrid nanoclusters remain difficult to predict and optimize. Here, split-green fluorescence protein (sGFP) fragments are used as molecular glue and the GFP chromophore is used as a Raman reporter to assemble a variety of gold nanoparticle (AuNP) clusters and explore their plasmonic properties by numerical modeling...
September 8, 2016: Small
Şükrü Burak Tönük, Erdinc Serin, Fikriye Figen Ayhan, Zeynep Rezan Yorgancioglu
To investigate the effects of physical agents on the levels of stress hormones in patients with osteoarthritis (OA).Transcutaneous electrical nerve stimulation, hot packs, and therapeutic ultrasound were applied to the lumbar region and knees of patients with OA. Blood samples were taken for the measurement of the serum levels of glucose, insulin (INS), growth hormone (GH), prolactin (PRL), cortisol (COR), and plasma adrenocorticotropic hormone (ACTH) immediately before and after the 1st session, to investigate the acute effects of those physical agents on the endocrine system...
August 2016: Medicine (Baltimore)
Yan Qian, Xinwen Zhang, Linghai Xie, Dianpeng Qi, Bevita K Chandran, Xiaodong Chen, Wei Huang
Stretchable electronics are essential for the development of intensely packed collapsible and portable electronics, wearable electronics, epidermal and bioimplanted electronics, 3D surface compliable devices, bionics, prosthesis, and robotics. However, most stretchable devices are currently based on inorganic electronics, whose high cost of fabrication and limited processing area make it difficult to produce inexpensive, large-area devices. Therefore, organic stretchable electronics are highly attractive due to many advantages over their inorganic counterparts, such as their light weight, flexibility, low cost and large-area solution-processing, the reproducible semiconductor resources, and the easy tuning of their properties via molecular tailoring...
August 30, 2016: Advanced Materials
Masahiro Kurita, Ryuichi Arakawa, Hideya Kawasaki
We presented the fabrication of a silver nanoparticle (Ag NP) functionalized glass fiber (Ag-GF) substrate for combined surface-enhanced Raman scattering spectroscopy (SERS)/surface-assisted laser desorption/ionization (SALDI) mass spectrometry. Ag NPs were immobilized onto the surface of glass fibers through a simple sputter deposition process. The SERS and SALDI activities strongly depended on the nanostructures of the deposited Ag NPs on the GFs. The closely-packed Ag NPs with a size of 20-50 nm and an inter-particle nanoscale gap of less than 10 nm were effective for the simultaneously enhanced SERS/SALDI substrate via plasmonic/thermal "hot spots", while the interconnected continuous Ag film reduced both the SERS/SALDI activities...
October 21, 2016: Analyst
J K A T Rajika, Mahinsasa Narayana
This study focuses on modelling and simulation of horizontal moving bed/grate wood chip combustor. A standalone finite volume based 2-D steady state Euler-Euler Computational Fluid Dynamics (CFD) model was developed for packed bed combustion. Packed bed combustion of a medium scale biomass combustor, which was retrofitted from wood log to wood chip feeding for Tea drying in Sri Lanka, was evaluated by a CFD simulation study. The model was validated by the experimental results of an industrial biomass combustor for a hot air generation system in tea industry...
2016: SpringerPlus
Yue Zhang, Brice Freeman, Pingjiao Hao, Gary T Rochelle
A hybrid system combining amine scrubbing with membrane technology for carbon capture from natural gas combined cycle (NGCC) power plants is proposed in this paper. In this process, the CO2 in the flue gas can be enriched from 4% to 18% by the membrane, and the amine scrubbing system will have lower capture costs. Aqueous piperazine (PZ) is chosen as the solvent. Different direct contact cooler (DCC) options, multiple absorber operating conditions, optimal intercooling designs, and different cooling options have been evaluated across a wide range of inlet CO2...
October 20, 2016: Faraday Discussions
Şebnem Koldaş Doğan, Saime Ay, Deniz Evcik
OBJECTIVE: The purpose of this study was to compare the effectiveness of two different laser therapy regimens on pain, lumbar range of motions (ROM) and functional capacity in patients with chronic low back pain (CLBP). METHODS: Forty nine patients with CLBP were randomly assigned into two groups. Group 1 (n= 20) received hot-pack + laser therapy 1 (wavelength of 850 nm Gallium-Aluminum-Arsenide (Ga-Al-As) laser); group 2 (n= 29) received hot-pack + laser therapy 2 (wavelength of 650 nm Helyum-Neon (He-Ne), 785 ve 980 nm Gal-Al-As combined plaque laser) for 15 sessions...
July 21, 2016: Journal of Back and Musculoskeletal Rehabilitation
Sarah Ameziane-Le Hir, Gilles Paboeuf, Christophe Tascon, Jean-François Hubert, Elisabeth Le Rumeur, Véronique Vié, Céline Raguénès-Nicol
Dystrophin (DYS) is a membrane skeleton protein whose mutations lead to lethal Duchenne muscular dystrophy or to the milder Becker muscular dystrophy (BMD). One third of BMD "in-frame" exon deletions are located in the region that codes for spectrin-like repeats R16 to R21. We focused on four prevalent mutated proteins deleted in this area (called RΔ45-47, RΔ45-48, RΔ45-49, and RΔ45-51 according to the deleted exon numbers), analyzing protein/membrane interactions. Two of the mutants, RΔ45-48 and RΔ45-51, led to mild pathologies and displayed a similar triple coiled-coil structure as the full-length DYS R16-21, whereas the two others, RΔ45-47 and RΔ45-49, induced more severe pathologies and showed "fractional" structures unrelated to the normal one...
July 26, 2016: Biochemistry
Lindeka Mangesi, Irena Zakarija-Grkovic
BACKGROUND: Breast engorgement is a painful condition affecting large numbers of women in the early postpartum period. It may lead to premature weaning, cracked nipples, mastitis and breast abscess. Various forms of treatment for engorgement have been studied but so far little evidence has been found on an effective intervention. OBJECTIVES: This is an update of a systematic review first published by Snowden et al. in 2001 and subsequently published in 2010. The objective of this update is to seek new information on the best forms of treatment for breast engorgement in lactating women...
2016: Cochrane Database of Systematic Reviews
Sara Amaniyan, Shokoh Varaei, Mojtaba Vaismoradi, Hamid Haghani, Christina Sieloff
PURPOSE: This study aimed to assess the effect of the application of local cold and cold-hot packs upon the size of bruising at the injection site of subcutaneous enoxaparin sodium. METHODS: One-hundred and eighty patients with coronary diseases were allocated randomly to three groups: (i) local cold gel pack group; (ii) local cold-hot gel pack group; and (iii) control group. Assessment of the presence of a bruise was conducted at 24, 48 and 72 hours after the injections for all patients...
February 2016: Contemporary Nurse
Yijie Yang, Yih Hong Lee, In Yee Phang, Ruibin Jiang, Howard Yi Fan Sim, Jianfang Wang, Xing Yi Ling
Current plasmonic metasurfaces of nanocubes are limited to planar configurations, restricting the ability to create tailored local electromagnetic fields. Here, we report a new chemical strategy to achieve tunable metasurfaces with nonplanar nanocube orientations, creating novel lattice-dependent field localization patterns. We manipulate the interfacial behaviors of Ag nanocubes by controlling the ratio of hydrophilic/hydrophobic molecules added in a binary thiol mixture during the surface functionalization step...
June 8, 2016: Nano Letters
Jungseok Chae, Basudev Lahiri, Andrea Centrone
Engineering of the optical resonances in plasmonic resonators arrays is achieved by virtue of the intrinsic properties to the constituent structures such as composition, size and shape and by controlling the inter-resonator interactions by of virtue the array geometrical arrangement. The nanoscale confinement of the plasmonic field enhances light-matter interactions enabling, for instance, the surface enhanced infrared absorption (SEIRA) effect. However, the subwavelength confinement also poses an experimental challenge for discriminating the response stemming from the individual resonators and from the collective response in densely packed arrays...
January 2016: ACS Photonics
Alexandre Mendibil, Daniel Jost, Aurélien Thiry, Delphine Garcia, Julie Trichereau, Benoit Frattini, Pascal Dang-Minh, Olga Maurin, Sylvie Margerin, Laurent Domanski, Jean-Pierre Tourtier
OBJECTIVES: In case of mild therapeutic hypothermia after an out-of-hospital cardiac arrest, several techniques could limit the cold fluid rewarming during its perfusion. We aimed to evaluate cold fluid temperature evolution and to identify the factors responsible for rewarming in order to suggest a prediction model of temperature evolution. EQUIPMENT AND METHODS: This was a laboratory experimental study. We measured temperature at the end of the infusion line tubes (ILT)...
May 6, 2016: Anaesthesia, Critical Care & Pain Medicine
Qinghua Guo, Minmin Xu, Yaxian Yuan, Renao Gu, Jianlin Yao
Self-assembly of metal nanoparticles has attracted considerable attention because of its unique applications in technologies such as plasmonics, surface-enhanced optics, sensors, and catalysts. However, fabrication of ordered nanoparticle structures remains a significant challenge. Thus, developing an efficient approach for the assembly of large-scale Au nanoparticles films for theoretical studies and for various applications is highly desired. In this paper, a facial approach for fabricating a monolayer film of Au nanoparticles was developed successfully...
May 10, 2016: Langmuir: the ACS Journal of Surfaces and Colloids
Gülhan Ünlü, Barbara Nielsen, Claudia Ionita
Six lactic acid bacteria (LAB) strains, Lactococcus lactis BFE 920, L. lactis subsp. lactis ATCC 11454, L. lactis subsp. cremoris ATCC 14365, Lactobacillus curvatus L442, Lact. curvatus LTH 1174, and Lact. bavaricus MN, were grown in cheddar cheese whey supplemented with complex nutrient sources. Cell-free culture supernatants were freeze-dried, and the resulting bacteriocin-containing powders were applied on the surface of hot dogs that were inoculated (~4 log cfu/hot dog) with a five-strain Listeria monocytogenes cocktail...
June 2016: Probiotics and Antimicrobial Proteins
Saeid Yazdanirad, Habibollah Dehghan
BACKGROUND: The phase change materials (PCMs) have the appropriate properties for controlling heat strain. One of the well-known PCMs is paraffin. This study aimed to design the cooling vest from the cheap commercial paraffin compound and evaluation of its effectiveness under laboratory hot conditions. METHODS: the cooling vest was made of the polyester fabric and it had 17 aluminum packs. The each of aluminum packs was filled by 135 g of prepared paraffin with a proper melting point in the range of 15-35°C...
2016: International Journal of Preventive Medicine
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