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https://www.readbyqxmd.com/read/28821131/carboxymethyl-cellulose-production-from-sugarcane-bagasse-with-steam-explosion-pulping-experimental-modeling-and-optimization
#1
Loghman Golbaghi, Mehrdad Khamforoush, Tahmasb Hatami
The sugarcane bagasse was used for producing carboxymethyl cellulose (CMC) and obtaining high-molecular-mass hemicellulose as co-product. To this end, the steam explosion process was employed. It was found that the optimum operating conditions are the temperature of 187.15°C, NaOH/bagasse ratio of 39% (w/w), and retention time (RT) of 10min. Next, the obtained cellulose in the optimized condition was extracted and purified, and it was subsequently converted to CMC according to Williamson etherification technique...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28820847/effectiveness-of-a-16-week-high-intensity-cardioresistance-training-program-in-adults
#2
Tina A Greenlee, Daniel R Greene, Nathan J Ward, Ginger E Reeser, Courtney M Allen, Nicholas W Baumgartner, Neal J Cohen, Arthur F Kramer, Charles H Hillman, Aron K Barbey
Greenlee, TA, Greene, DR, Ward, NJ, Reeser, GE, Allen, CM, Baumgartner, NW, Cohen, NJ, Kramer, AF, Hillman, CH, and Barbey, AK. Effectiveness of a 16-week high-intensity cardioresistance training program in adults. J Strength Cond Res 31(9): 2528-2541, 2017-The purpose of this study was to determine the efficacy of a novel, 16-week high-intensity cardioresistance training (HICRT) program on measures of aerobic fitness, agility, aerobic power, muscular endurance, lower-body explosive power, and self-reported activity level...
September 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28820577/universal-nature-inspired-coatings-for-preparing-non-charging-surfaces
#3
Yan Fang, Spandhana Gonuguntla, Siowling Soh
Static charge generated by contact electrification on surfaces can lead to many undesirable consequences, such as a reduction in the efficiency of manufacturing processes, damage to equipment, and explosions. However, it is extremely challenging to avoid contact electrification because it is ubiquitous - almost all types of materials charge on contact. Here, we coated materials with naturally-occurring polydopamine (PDA) and tannic acid (TA) for preparing non-charging surfaces. Importantly, these coatings are very versatile and can be coated on a wide range of materials, including metals, inorganic materials, semiconductors, and polymers...
August 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28820355/alpha-particles-and-x-rays-interact-in-inducing-dna-damage-in-u2os-cells
#4
Alice Sollazzo, Beata Brzozowska, Lei Cheng, Lovisa Lundholm, Siamak Haghdoost, Harry Scherthan, Andrzej Wojcik
Survivors of the atomic bombings of Hiroshima and Nagasaki are monitored for health effects within the Life Span Study (LSS). The LSS results represent the most important source of data about cancer effects from ionizing radiation exposure, which forms the foundation for the radiation protection system. One uncertainty connected to deriving universal risk factors from these results is related to the problem of mixed radiation qualities. The A-bomb explosions generated a mixed beam of the sparsely ionizing gamma radiation and densely ionizing neutrons...
August 18, 2017: Radiation Research
https://www.readbyqxmd.com/read/28818942/an-unusual-white-dwarf-star-may-be-a-surviving-remnant-of-a-subluminous-type-ia-supernova
#5
S Vennes, P Nemeth, A Kawka, J R Thorstensen, V Khalack, L Ferrario, E H Alper
Subluminous Type Ia supernovae, such as the Type Iax-class prototype SN 2002cx, are described by a variety of models such as the failed detonation and partial deflagration of an accreting carbon-oxygen white dwarf star or the explosion of an accreting, hybrid carbon-oxygen-neon core. These models predict that bound remnants survive such events with, according to some simulations, a high kick velocity. We report the discovery of a high proper motion, low-mass white dwarf (LP 40-365) that travels at a velocity greater than the Galactic escape velocity and whose peculiar atmosphere is dominated by intermediate-mass elements...
August 18, 2017: Science
https://www.readbyqxmd.com/read/28818645/improved-performance-comparisons-of-radioxenon-systems-for-low-level-releases-in-nuclear-explosion-monitoring
#6
Derek A Haas, Paul W Eslinger, Theodore W Bowyer, Ian M Cameron, James C Hayes, Justin D Lowrey, Harry S Miley
The Comprehensive Nuclear-Test-Ban Treaty bans all nuclear tests and mandates development of verification measures to detect treaty violations. One verification measure is detection of radioactive xenon isotopes produced in the fission of actinides. The International Monitoring System (IMS) currently deploys automated radioxenon systems that can detect four radioxenon isotopes. Radioxenon systems with lower detection limits are currently in development. Historically, the sensitivity of radioxenon systems was measured by the minimum detectable concentration for each isotope...
August 14, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28818310/fracture-analysis-of-tube-boiler-for-physical-explosion-accident
#7
Eui Soo Kim
Material and failure analysis techniques are key tools for determining causation in case of explosive and bursting accident result from material and process defect of product in the field of forensic science. The boiler rupture generated by defect of the welding division, corrosion, overheating and degradation of the material have devastating power. If weak division of boiler burner is fractured by internal pressure, saturated vapor and water is vaporized suddenly. At that time, volume of the saturated vapor and water increases up to thousands of volume...
August 3, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28817153/a-comparative-study-on-the-cardiac-morphology-and-vertical-jump-height-of-adolescent-black-south-african-male-and-female-amateur-competitive-footballers
#8
Philippe Jean-Luc Gradidge, Demitri Constantinou
OBJECTIVE: The aim of this comparative study was to determine the gender differences in cardiac morphology and performance in adolescent black South African footballers. METHODS: Anthropometry, electrocardiography and echocardiography data were measured in 167 (85 males and 82 females) adolescent black South African footballers (mean age: 14.8 ± 1.3 years). Vertical jump height was used as a performance measure of explosive lower-limb power. RESULTS: The males had less body fat compared with the females (12...
August 15, 2017: Cardiovascular Journal of Africa
https://www.readbyqxmd.com/read/28816944/acute-changes-in-neuromuscular-activity-in-vertical-jump-and-flexibility-after-exposure-to-whole-body-vibration
#9
Giuseppe Annino, Ferdinando Iellamo, Francesco Palazzo, Augusto Fusco, Mauro Lombardo, Francesca Campoli, Elvira Padua
This study was aimed to investigate the neuromuscular activity after 10 minutes of exposure to a whole body vibration (WBV) session.Twenty male young adults (24.8 ± 2.5 year olds) were randomized and divided into 2 groups: the vibration group (VG) was exposed to 10 minutes of WBV at 35 Hz; performed 10 minutes of WBV at 35 Hz (displacement = 5 mm; magnitude = 5 g); the nonvibrated group (NVG) was the placebo group that maintained the same position on the plate but without exposure to any type of vibration...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28816433/syndiotactic-polystyrene-based-ionogel-membranes-for-high-temperature-electrochemical-applications
#10
Prasad Raut, Wenfeng Liang, Yu-Ming Chen, Yu Zhu, Sadhan C Jana
This work focuses on ionogel membranes for use in Li-ion batteries fabricated from syndiotactic polystyrene (sPS) gels filled with ionic liquids (ILs). The aim is to increase the operating temperature of Li-ion batteries. s. Thermal stability and safe operation of Li-ion batteries are two key attributes for their success in hybrid vehicles and other high temperature applications. The volatility of the liquid electrolytes in current lithium-ion battery technology causes thermal runaway leading to fire, explosion, and swelling of the cell...
August 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28815200/the-case-for-laboratory-developed-procedures-quality-and-positive-impact-on-patient-care
#11
Karen L Kaul, Linda M Sabatini, Gregory J Tsongalis, Angela M Caliendo, Randall J Olsen, Edward R Ashwood, Sherri Bale, Robert Benirschke, Dean Carlow, Birgit H Funke, Wayne W Grody, Randall T Hayden, Madhuri Hegde, Elaine Lyon, Kazunori Murata, Melissa Pessin, Richard D Press, Richard B Thomson
An explosion of knowledge and technology is revolutionizing medicine and patient care. Novel testing must be brought to the clinic with safety and accuracy, but also in a timely and cost-effective manner, so that patients can benefit and laboratories can offer testing consistent with current guidelines. Under the oversight provided by the Clinical Laboratory Improvement Amendments, laboratories have been able to develop and optimize laboratory procedures for use in-house. Quality improvement programs, interlaboratory comparisons, and the ability of laboratories to adjust assays as needed to improve results, utilize new sample types, or incorporate new mutations, information, or technologies are positive aspects of Clinical Laboratory Improvement Amendments oversight of laboratory-developed procedures...
January 2017: Acad Pathol
https://www.readbyqxmd.com/read/28815113/towards-generation-management-and-exploration-of-combined-radiomics-and-pathomics-datasets-for-cancer-research
#12
Joel Saltz, Jonas Almeida, Yi Gao, Ashish Sharma, Erich Bremer, Tammy DiPrima, Mary Saltz, Jayashree Kalpathy-Cramer, Tahsin Kurc
Cancer is a complex multifactorial disease state and the ability to anticipate and steer treatment results will require information synthesis across multiple scales from the host to the molecular level. Radiomics and Pathomics, where image features are extracted from routine diagnostic Radiology and Pathology studies, are also evolving as valuable diagnostic and prognostic indicators in cancer. This information explosion provides new opportunities for integrated, multi-scale investigation of cancer, but also mandates a need to build systematic and integrated approaches to manage, query and mine combined Radiomics and Pathomics data...
2017: AMIA Summits on Translational Science Proceedings
https://www.readbyqxmd.com/read/28814073/multi-electron-effects-in-the-strong-field-sequential-ionization-of-aligned-ch3i-molecules
#13
Sizuo Luo, Wenhui Hu, Jiaqi Yu, Xiaokai Li, Lanhai He, Chuncheng Wang, Fuchun Liu, Dajun Ding
Strong field sequential ionization of symmetric-top CH3I molecules is studied experimentally by using a combined method of femtosecond laser induced impulsive alignment and time-of-flight mass spectrometry. Both alignment and angular dependent ion yields have been measured and the sequential ionization of multi-electron has been discussed. It's find that the maximum ionization happens when the polarization of probe laser is perpendicular to the internuclear axis of molecules, and the signal of fragment ions peaks at the polarization of probe laser is parallel to the internuclear axis of molecules...
August 16, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28810971/effect-of-mixed-basic-military-training-on-the-physical-fitness-of-male-and-female-soldiers
#14
Paola S Wood, Catharina C Grant, Peet J du Toit, Lizelle Fletcher
INTRODUCTION: Mixed gender basic military training (BMT) is adopted to integrate the female South African soldier into the military. This study aimed to assess gender differences before, during (12 weeks), and after a 20-week mixed BMT course and determine if BMT significantly reduced these differences. METHODS: A total of 186 soldiers (114 male: mean age = 21.0 ± 1.1 year; 72 female: mean age = 20.5 ± 1.2 year) completed the BMT course and all anthropometric, physical fitness, explosive power, and hand grip strength measurements...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28810732/tracking-radionuclide-fractionation-in-the-first-atomic-explosion-using-stable-elements
#15
Chloe E Bonamici, Richard L Hervig, William S Kinman
Compositional analysis of post-detonation fallout is a tool for forensic identification of nuclear devices. However, the relationship between device composition and fallout composition is difficult to interpret because of the complex combination of physical mixing, nuclear reactions, and chemical fractionations that occur in the chaotic nuclear fireball. Using a combination of in situ microanalytical techniques - electron microprobe analysis and secondary ion mass spectrometry - we show that some heavy stable elements (Rb, Sr, Zr, Ba, Cs, Ba, La, Ce, Nd, Sm, Dy, Lu, U, Th) in glassy fallout from the first nuclear test, Trinity, are reliable chemical proxies for radionuclides generated during the explosion...
August 16, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28809982/coordination-polymer-derived-nano-sized-zinc-ferrite-with-excellent-performance-in-nitro-explosive-detection
#16
Debal Kanti Singha, Partha Mahata
Herein, a mixed metal coordination polymer, {(H2pip)[Zn1/3Fe2/3(pydc-2,5)2(H2O)]·2H2O} 1 {where H2pip = piperazinediium and pydc-2,5 = pyridine-2,5-dicarboxylate}, was successfully synthesized using a hydrothermal technique. To confirm the structure and phase purity of 1, single crystals of an isomorphous pure Fe compound, {(H2pip)[Fe(pydc-2,5)2(H2O)]·2H2O} 1a, were synthesized based on similar synthetic conditions. Single crystal X-ray data of 1a confirmed the one-dimensional anionic metal-organic coordination polymer hydrogen bonded with protonated piprazine (piperazinediium) and lattice water molecules...
August 15, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28809479/natural-seminal-amyloids-as-targets-for-development-of-synthetic-inhibitors-of-hiv-transmission
#17
Daniel A Sheik, Stephen Dewhurst, Jerry Yang
Amyloids refer to a class of protein or peptide aggregates that are heterogeneous in size, morphology, and composition, and are implicated to play a central role in many neurodegenerative and systemic diseases. The strong correlation between biological activity and extent of aggregation of amyloidogenic proteins and peptides has led to an explosion of research efforts to target these materials with synthetic molecules or engineered antibodies to try to attenuate their function in disease pathology. Although many of these efforts to attenuate amyloid function have shown great promise in laboratory settings, the vast majority of work has been focused on targeting amyloids associated with neurologic diseases, which has been met with significant additional challenges that preclude clinical evaluation...
August 15, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28802906/pathways-towards-indolent-b-cell-lymphoma-etiology-and-therapeutic-strategies
#18
REVIEW
Michiel van den Brand, Blanca Scheijen, Corine J Hess, J Han Jm van Krieken, Patricia J T A Groenen
Although patients with indolent B-cell lymphomas have a relatively good survival rate, conventional chemotherapy is not curative. Disease courses are typically characterized by multiple relapses and progressively shorter response duration with subsequent lines of therapy. There has been an explosion of innovative targeted agents in the past years. This review discusses current knowledge on the etiology of indolent B-cell lymphomas with respect to the role of micro-organisms, auto-immune diseases, and deregulated pathways caused by mutations...
August 5, 2017: Blood Reviews
https://www.readbyqxmd.com/read/28801886/effects-of-3-nitro-1-2-4-triazol-5-one-on-survival-growth-and-metamorphosis-in-the-northern-leopard-frog-lithobates-pipiens
#19
David A Pillard, William S Eck, Mark S Johnson, Stephanie Packard
New explosive formulations are being developed to be less sensitive to impact and inadvertent explosion, increasing safety for the warfighter. Since testing and training make environmental releases imminent, the toxicity of 3-nitro-1,2,4-triazol-5-one (NTO), a component of Insensitive Munitions eXplosive (IMX) formulations, was assessed in a one-generation study to the northern leopard frog (Lithobates ( = Rana) pipiens). Because NTO in water creates acidic conditions, acute studies were conducted with non-pH-adjusted NTO, while a long-term (70-d) study was conducted with neutralized NTO...
August 11, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28801875/nanoparticles-in-explosives-detection-the-state-of-the-art-and-future-directions
#20
William J Peveler, Sultan Ben Jaber, Ivan P Parkin
No abstract text is available yet for this article.
August 12, 2017: Forensic Science, Medicine, and Pathology
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