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https://www.readbyqxmd.com/read/28934805/ratings-of-perceived-exertion-and-physiological-responses-in-children-during-exercise
#1
Jennifer M Erichsen, Brandon J Dykstra, Mary C Hidde, Anthony D Mahon
OMNI ratings of perceived exertion (RPE) and physiological responses in children (n=7 boys, 8 girls, 11.1±1.0 years) were examined during estimation (graded exercise test [GXT] and steady-state) and production (steady-state) trials on a cycle ergometer. Peak oxygen consumption (VO2peak) was determined via a GXT with RPE estimated every 30 s. Later, two 6-min trials were completed: Participants 1) estimated RPE at ~75% of VO2peak, 2) produced a level of exertion corresponding to their RPE at ~75% of VO2peak during the GXT...
September 21, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28934789/lack-of-gender-and-age-differences-in-pain-measurements-following-exercise-in-people-with-chronic-whiplash-associated-disorders
#2
Kelly Ickmans, Anneleen Malfliet, Margot De Kooning, Lisa Goudman, Ives Hubloue, Tom Schmitz, Dorien Goubert, Maria Encarnacion Aguilar-Ferrandiz
BACKGROUND: Individuals with chronic whiplash associated disorders (WAD) present persistent pain in the absence of structural pathology. In these people, altered central pain processing and central sensitization are observed. The role of personal factors, such as gender and age, on pain processing mechanisms in chronic WAD, however, is still unclear. OBJECTIVES: This study investigated possible gender- and age-related differences in self-reported and experimental pain measurements in people with chronic WAD...
September 2017: Pain Physician
https://www.readbyqxmd.com/read/28934653/mixed-sulfate-reducing-bacteria-enriched-microbial-fuel-cells-for-the-treatment-of-wastewater-containing-copper
#3
Waheed Miran, Jiseon Jang, Mohsin Nawaz, Asif Shahzad, Sang Eun Jeong, Che Ok Jeon, Dae Sung Lee
Microbial fuel cells (MFCs) have been widely investigated for organic-based waste/substrate conversion to electricity. However, toxic compounds such as heavy metals are ubiquitous in organic waste and wastewater. In this work, a sulfate reducing bacteria (SRB)-enriched anode is used to study the impact of Cu(2+) on MFC performance. This study demonstrates that MFC performance is slightly enhanced at concentrations of up to 20 mg/L of Cu(2+), owing to the stimulating effect of metals on biological reactions...
September 13, 2017: Chemosphere
https://www.readbyqxmd.com/read/28934170/mobile-based-analysis-of-malaria-infected-thin-blood-smears-automated-species-and-life-cycle-stage-determination
#4
Luís Rosado, José M Correia da Costa, Dirk Elias, Jaime S Cardoso
Microscopy examination has been the pillar of malaria diagnosis, being the recommended procedure when its quality can be maintained. However, the need for trained personnel and adequate equipment limits its availability and accessibility in malaria-endemic areas. Rapid, accurate, accessible diagnostic tools are increasingly required, as malaria control programs extend parasite-based diagnosis and the prevalence decreases. This paper presents an image processing and analysis methodology using supervised classification to assess the presence of malaria parasites and determine the species and life cycle stage in Giemsa-stained thin blood smears...
September 21, 2017: Sensors
https://www.readbyqxmd.com/read/28934141/facile-synthesis-of-zno-nanoparticles-on-nitrogen-doped-carbon-nanotubes-as-high-performance-anode-material-for-lithium-ion-batteries
#5
Haipeng Li, Zhengjun Liu, Shuang Yang, Yan Zhao, Yuting Feng, Zhumabay Bakenov, Chengwei Zhang, Fuxing Yin
ZnO/nitrogen-doped carbon nanotube (ZnO/NCNT) composite, prepared though a simple one-step sol-gel synthetic technique, has been explored for the first time as an anode material. The as-prepared ZnO/NCNT nanocomposite preserves a good dispersity and homogeneity of the ZnO nanoparticles (~6 nm) which deposited on the surface of NCNT. Transmission electron microscopy (TEM) reveals the formation of ZnO nanoparticles with an average size of 6 nm homogeneously deposited on the surface of NCNT. ZnO/NCNT composite, when evaluated as an anode for lithium-ion batteries (LIBs), exhibits remarkably enhanced cycling ability and rate capability compared with the ZnO/CNT counterpart...
September 21, 2017: Materials
https://www.readbyqxmd.com/read/28934127/removal-of-phenolic-compounds-from-water-using-sewage-sludge-based-activated-carbon-adsorption-a-review
#6
REVIEW
Nuhu Dalhat Mu'azu, Nabeel Jarrah, Mukarram Zubair, Omar Alagha
Due to their industrial relevance, phenolic compounds (PC) are amongst the most common organic pollutants found in many industrial wastewater effluents. The potential detrimental health and environmental impacts of PC necessitate their removal from wastewater to meet regulatory discharge standards to ensure meeting sustainable development goals. In recent decades, one of the promising, cost-effective and environmentally benign techniques for removal of PC from water streams has been adsorption onto sewage sludge (SS)-based activated carbon (SBAC)...
September 21, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28934084/outcome-of-icsi-with-motile-testicular-spermatozoa-obtained-through-microscopically-assisted-testicular-sperm-extraction-in-relation-to-the-ovarian-response
#7
E Erdem, M Karacan, A Usta, A Arvas, Z Cebi, T Camlibel
INTRODUCTION: To determine the relationship between AFC, basal FSH level, woman's age, the number of oocytes retrieved and the outcome of ICSI with testicular spermatozoa obtained with microscopically assisted testicular sperm extraction. MATERIAL AND METHODS: In this retrospective cohort study, a total of 340 couples who underwent ICSI treatment with testicular sperm were enrolled. Women aged?40years and the first cycles of couples were included. ICSI was performed with motile testicular spermatozoa obtained from 89 men with obstructive azoospermia and 251 men with nonobstructive azoospermia...
May 2017: Journal of gynecology obstetrics and human reproduction
https://www.readbyqxmd.com/read/28933745/effects-of-six-week-ginkgo-biloba-supplementation-on-aerobic-performance-blood-pro-antioxidant-balance-and-serum-brain-derived-neurotrophic-factor-in-physically-active-men
#8
Ewa Sadowska-Krępa, Barbara Kłapcińska, Ilona Pokora, Przemysław Domaszewski, Katarzyna Kempa, Tomasz Podgórski
Extracts of Ginkgo biloba leaves, a natural source of flavonoids and polyphenolic compounds, are commonly used as therapeutic agents for the improvement of both cognitive and physiological performance. The present study was aimed to test the effects of a six-week supplementation with 160 mg/day of a standardized extract of Ginkgo biloba or a matching placebo on aerobic performance, blood antioxidant capacity, and brain-derived neurotrophic factor (BDNF) level in healthy, physically active young men, randomly allocated to two groups (n = 9 each)...
July 26, 2017: Nutrients
https://www.readbyqxmd.com/read/28933721/flexible-carbon-nanotube-modified-separator-for-high-performance-lithium-sulfur-batteries
#9
Bin Liu, Xiaomeng Wu, Shan Wang, Zhen Tang, Quanling Yang, Guo-Hua Hu, Chuanxi Xiong
Lithium-sulfur (Li-S) batteries have become promising candidates for electrical energy storage systems due to their high theoretical specific energy density, low cost and environmental friendliness. However, there are some technical obstacles of lithium-sulfur batteries to be addressed, such as the shuttle effect of polysulfides. Here, we introduced organically modified carbon nanotubes (CNTs) as a coating layer for the separator to optimize structure and enhance the performance of the Li-S battery. The results showed that the cell with a CNTs-coated separator exhibited an excellent cycling performance...
July 26, 2017: Nanomaterials
https://www.readbyqxmd.com/read/28933685/adsorption-of-re-3-from-aqueous-solutions-by-bayberry-tannin-immobilized-on-chitosan
#10
Xianying Qiu, Yueyue Shen, Ruilin Yang, Hongcheng Zhang, Shilin Zhao
Bayberry tannin immobilized on chitosan (CS-BT) was successfully prepared, and its adsorption performance was studied for aqueous solutions of rare earth ions. The as-prepared absorbents were characterized by Fourier transform infrared spectrometry and scanning electron microscopy. The equilibrium adsorption capacity was achieved in approximately 30 min. The adsorption process of CS-BT for Nd(3+) ion was well fitted with a Freundlich model. Sorption of Nd(3+) onto CS-BT could be well described by the pseudo second-order kinetics...
September 21, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28933532/sb2o3-nanoparticles-anchored-on-graphene-sheets-via-alcohol-dissolution-reprecipitation-method-for-excellent-lithium-storage-properties
#11
Xiaozhong Zhou, Zhengfeng Zhang, Xiaofang Lu, Xueyan Lv, Guofu Ma, Qingtao Wang, Ziqiang Lei
Sb2O3 nanoparticles are uniformly anchored on reduced graphene oxide (rGO) sheets via a facile and eco-friendly route based on alcohol dissolution-reprecipitation method. Such obtained Sb2O3/rGO composite demonstrates a highly reversible specific capacity (1355 mA h g-1 at 100 mA g-1), good rate capability, and superior cycle life (525 mA h g-1 after 700 cycles at 600 mA g-1) when used an anode electrode for lithium-ion batteries (LIBs). The outstanding electrochemical properties of Sb2O3/rGO composite could be attributed to its unique structure which the strong electronic coupling effect between Sb2O3 and rGO and thus leads to enhanced electronic conductivity, structure stability and electrochemical activity during reversible conversion-alloying reactions...
September 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28933475/two-nanoscale-nb-containing-polyoxometalates-based-on-p2w15nb3o62-clusters-and-chromium-cations
#12
Peng Huang, Xin-Long Wang, De-Qing He, Hai-Yang Wu, Chao Qin, Meng Du, Chao Lai, Zhong-Min Su
Two novel mixed-addenda Nb/W polyoxometalates are successfully fabricated, and investigated as anode materials for lithium-ion batteries. For the Cs5K4{Cr3(H2O)12[P2W15Nb3O62]2}·60H2O sample, a reversible capacity (466.6 mA h g(-1)) and stable cycle performance are obtained.
September 21, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28933263/anticancer-properties-of-a-new-hybrid-analog-ad-013-combining-a-coumarin-scaffold-with-an-%C3%AE-methylene-%C3%AE-lactone-motif
#13
Angelika Długosz, Katarzyna Gach-Janczak, Jacek Szymański, Dariusz Deredas, Henryk Krawczyk, Tomasz Janecki, Anna Janecka
Background Coumarin is a natural phytochemical but as such has no medical uses. However, various natural and synthetic coumarin analogs attract attention due to their interesting biological properties. </P><P> Objective Here, we evaluated and compared anticancer properties of a new synthetic hybrid compound AD-013, which integrates a coumarin moiety and an α-methylene-δ-lactone motif, with novobiocin, a natural antibiotic bearing a coumarin scaffold. </P><P> Method Cytotoxic activities of compound AD-013 and novobiocin were assessed by the MTT assay...
September 21, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28933054/high-stmn1-expression-is-associated-with-cancer-progression-and-chemo-resistance-in-lung-squamous-cell-carcinoma
#14
Pinjie Bao, Takehiko Yokobori, Bolag Altan, Misaki Iijima, Youko Azuma, Ryoichi Onozato, Toshiki Yajima, Akira Watanabe, Akira Mogi, Kimihiro Shimizu, Toshiteru Nagashima, Yoichi Ohtaki, Kai Obayashi, Seshiru Nakazawa, Tuya Bai, Reika Kawabata-Iwakawa, Takayuki Asao, Kyoichi Kaira, Masahiko Nishiyama, Hiroyuki Kuwano
BACKGROUND: Known as a microtubule-destabilizing protein, STMN1 (gene symbol: STMN1) regulates the dynamics of microtubules, cell cycle progress, and chemo-resistance against taxane agents. It is highly expressed in various human cancers and involved in cancer progression as well as poor prognosis. METHODS: Expression of STMN1 was examined by immunohistochemistry using FFPE tissue sections from 186 patients with lung squamous cell carcinoma (LSCC). Analysis of STMN1 suppression was performed for STMN1 small interfering RNA (siRNA)-transfected LSCC cell lines to determine the change in proliferation, invasive and apoptosis abilities, and paclitaxel sensitivity...
September 20, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28933034/improved-biodegradation-of-synthetic-azo-dye-by-anionic-cross-linking-of-chloroperoxidase-on-zno-sio2-nanocomposite-support
#15
Xinyu Jin, Saisai Li, Nengbing Long, Ruifeng Zhang
A novel ZnO nanowire/macroporous SiO2 composite was used as a support to immobilize chloroperoxidase (CPO) by in situ cross-linking method. An anionic bi-epoxy compound was synthesized and used as a long-chained anionic cross-linker, and it was adsorbed on the surface of ZnO nanowires through static interaction before reaction with CPO, creating a new approach to change the structure, property, and catalytic performance of the produced cross-linking enzyme aggregates (CLEAs) of CPO. The immobilized CPO showed high activity in the decolorization of three azo dyes...
September 20, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28932907/effects-of-self-paced-interval-and-continuous-training-on-health-markers-in-women
#16
Luke J Connolly, Stephen J Bailey, Peter Krustrup, Jonathan Fulford, Chris Smietanka, Andrew M Jones
PURPOSE: To compare the effects of self-paced high-intensity interval and continuous cycle training on health markers in premenopausal women. METHODS: Forty-five inactive females were randomised to a high-intensity interval training (HIIT; n = 15), continuous training (CT; n = 15) or an inactive control (CON; n = 15) group. HIIT performed 5 × 5 min sets comprising repetitions of 30-s low-, 20-s moderate- and 10-s high-intensity cycling with 2 min rest between sets...
September 20, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28932774/transcriptomic-and-bioinformatics-analysis-of-the-early-time-course-of-the-response-to-prostaglandin-f2-alpha-in-the-bovine-corpus-luteum
#17
Heather Talbott, Xiaoying Hou, Fang Qiu, Pan Zhang, Chittibabu Guda, Fang Yu, Robert A Cushman, Jennifer R Wood, Cheng Wang, Andrea S Cupp, John S Davis
RNA expression analysis was performed on the corpus luteum tissue at five time points after prostaglandin F2 alpha treatment of midcycle cows using an Affymetrix Bovine Gene v1 Array. The normalized linear microarray data was uploaded to the NCBI GEO repository (GSE94069). Subsequent statistical analysis determined differentially expressed transcripts ± 1.5-fold change from saline control with P ≤ 0.05. Gene ontology of differentially expressed transcripts was annotated by DAVID and Panther. Physiological characteristics of the study animals are presented in a figure...
October 2017: Data in Brief
https://www.readbyqxmd.com/read/28932656/oxygen-rich-lithium-oxide-phases-formed-at-high-pressure-for-potential-lithium-air-battery-electrode
#18
Wenge Yang, Duck Young Kim, Liuxiang Yang, Nana Li, Lingyun Tang, Khalil Amine, Ho-Kwang Mao
The lithium-air battery has great potential of achieving specific energy density comparable to that of gasoline. Several lithium oxide phases involved in the charge-discharge process greatly affect the overall performance of lithium-air batteries. One of the key issues is linked to the environmental oxygen-rich conditions during battery cycling. Here, the theoretical prediction and experimental confirmation of new stable oxygen-rich lithium oxides under high pressure conditions are reported. Three new high pressure oxide phases that form at high temperature and pressure are identified: Li2O3, LiO2, and LiO4...
September 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28932611/chronic-pelvic-pain-and-infertility-resulting-from-unrecognized-retained-laminaria
#19
Wesley Nilsson, Sasha Mikhael, Jennifer Kaplan
BACKGROUND: In 2013, the abortion rate in the United States was found to be 200 abortions per 1,000 live births. Of these, the CDC estimates that nearly 49% were performed using unsafe measures. Even when these procedures are safely performed, patients are at risk for immediate or delayed complications. In second-trimester terminations, mechanical dilation with an osmotic dilator is common to allow for delivery of the fetus. The Japanese seaweed Laminaria japonica is used to achieve this purpose...
2017: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28932004/effects-of-pulsed-therapeutic-ultrasound-on-the-treatment-of-people-with-knee-osteoarthritis
#20
Eliana-Isabel Rodríguez-Grande, Jose-Luis Osma-Rueda, Yannely Serrano-Villar, Carolina Ramírez
[Purpose] The aim was to evaluate the effect of therapeutic ultrasound on the pain, joint mobility, muscle strength, physical function, and quality of life of people with knee OA. [Subjects and Methods] One-site, one-arm, before-after study that included people with Grade II or III tibiofemoral osteoarthritis. Ten therapeutic ultrasound sessions (duty cycle=20%, ERA=10 cm(2), BNR=6:1, SATP=2.2 W/cm(2), SATA=0.44 W/cm(2), frequency=1 MHz, time=4 minutes) were applied. Assessments of primary outcome variables: pain intensity and function, and secondary variables: joint mobility, muscle strength and quality of life, were performed at onset and end of therapy; an additional intermediate evaluation was included for the primary variables...
September 2017: Journal of Physical Therapy Science
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