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https://www.readbyqxmd.com/read/28635625/soil-moisture-content-estimation-based-on-sentinel-1-and-auxiliary-earth-observation-products-a-hydrological-approach
#1
Dimitrios D Alexakis, Filippos-Dimitrios K Mexis, Anthi-Eirini K Vozinaki, Ioannis N Daliakopoulos, Ioannis K Tsanis
A methodology for elaborating multi-temporal Sentinel-1 and Landsat 8 satellite images for estimating topsoil Soil Moisture Content (SMC) to support hydrological simulation studies is proposed. After pre-processing the remote sensing data, backscattering coefficient, Normalized Difference Vegetation Index (NDVI), thermal infrared temperature and incidence angle parameters are assessed for their potential to infer ground measurements of SMC, collected at the top 5 cm. A non-linear approach using Artificial Neural Networks (ANNs) is tested...
June 21, 2017: Sensors
https://www.readbyqxmd.com/read/28617431/nicotine-protects-rat-hypoglossal-motoneurons-from-excitotoxic-death-via-downregulation-of-connexin-36
#2
Silvia Corsini, Maria Tortora, Rossana Rauti, Andrea Nistri
Motoneuron disease including amyotrophic lateral sclerosis may be due, at an early stage, to deficit in the extracellular clearance of the excitatory transmitter glutamate. A model of glutamate-mediated excitotoxic cell death based on pharmacological inhibition of its uptake was used to investigate how activation of neuronal nicotinic receptors by nicotine may protect motoneurons. Hypoglossal motoneurons (HMs) in neonatal rat brainstem slices were exposed to the glutamate uptake blocker DL-threo-β-benzyloxyaspartate (TBOA) that evoked large Ca(2+) transients time locked among nearby HMs, whose number fell by about 30% 4 h later...
June 15, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28617267/removal-of-cadmium-and-zinc-from-contaminated-wastewater-using-rhodobacter-sphaeroides
#3
Xiaomin Li, Weihua Peng, Yingying Jia, Lin Lu, Wenhong Fan
Rhodobacter sphaeroides was used for bioremediation of wastewater polluted with cadmium (Cd) and zinc (Zn). The tolerance of the microorganism to selected heavy metals (HMs), as well as the effects of pH, temperature and inoculum size on the removal rate, was investigated. The remediation effects of R. sphaeroides were analysed at different initial concentrations of HMs. Bioremediation mechanisms were thoroughly discussed based on the results from the cell characterisation analysis. Cd and Zn could inhibit the growth of R...
June 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28591145/successful-implementation-of-helping-babies-survive-and-helping-mothers-survive-programs-an-utstein-formula-for-newborn-and-maternal-survival
#4
Hege L Ersdal, Nalini Singhal, Georgina Msemo, Ashish Kc, Santorino Data, Nester T Moyo, Cherrie L Evans, Jeffrey Smith, Jeffrey M Perlman, Susan Niermeyer
Globally, the burden of deaths and illness is still unacceptably high at the day of birth. Annually, approximately 300.000 women die related to childbirth, 2.7 million babies die within their first month of life, and 2.6 million babies are stillborn. Many of these fatalities could be avoided by basic, but prompt care, if birth attendants around the world had the necessary skills and competencies to manage life-threatening complications around the time of birth. Thus, the innovative Helping Babies Survive (HBS) and Helping Mothers Survive (HMS) programs emerged to meet the need for more practical, low-cost, and low-tech simulation-based training...
2017: PloS One
https://www.readbyqxmd.com/read/28578402/using-bamboo-biochar-with-compost-for-the-stabilization-and-phytotoxicity-reduction-of-heavy-metals-in-mine-contaminated-soils-of-china
#5
Amjad Ali, Di Guo, Yue Zhang, Xining Sun, Shuncheng Jiang, Zhanyu Guo, Hui Huang, Wen Liang, Ronghua Li, Zengqiang Zhang
Anthropogenic activities have transformed the global geochemical cycling of heavy metals (HMs). Many physical, chemical and biological methods are used to reduce the toxicity of HMs to humans, plants and environment. This study aimed to investigate the immobilization and phytotoxicity reduction of HMs after application of bamboo biochar (BB) in mine-polluted soil in Feng county (FC) and Tongguan (TG). The results showed that BB application to contaminated soil immobilized HMs (Zn, Pb, Cd and Cu). The soil pH and EC increased and the bioavailability of HMs decreased in FC and TG, whereas Pb and Cu increased in TG soil...
June 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28574430/extracellular-vesicles-in-hematological-malignancies-from-biology-to-therapy
#6
REVIEW
Antonella Caivano, Francesco La Rocca, Ilaria Laurenzana, Stefania Trino, Luciana De Luca, Daniela Lamorte, Luigi Del Vecchio, Pellegrino Musto
Extracellular vesicles (EVs) are a heterogeneous group of particles, between 15 nanometers and 10 microns in diameter, released by almost all cell types in physiological and pathological conditions, including tumors. EVs have recently emerged as particularly interesting informative vehicles, so that they could be considered a true "cell biopsy". Indeed, EV cargo, including proteins, lipids, and nucleic acids, generally reflects the nature and status of the origin cells. In some cases, EVs are enriched of peculiar molecular cargo, thus suggesting at least a degree of specific cellular packaging...
June 2, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28554117/a-simplified-method-for-determining-potential-heavy-metal-loads-washed-off-by-stormwater-runoff-from-road-deposited-sediments
#7
Carlos Zafra, Javier Temprano, Joaquín Suárez
A simplified method is proposed for determining the potential load of heavy metals (HMs) derived from the wash-off caused by surface runoff on road-deposited sediment (RDS). The method consists of three phases: (i) characterization of RDS load wash-off, (ii) assessment of HM load in dry weather, and (iii) application of a wash-off equation. Two processes were included in the wash-off equation: HM transport (solid fraction) and HM leaching (dissolved fraction). The average wash-off of HMs ranges from 16.6 to 46...
May 26, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28551535/microbial-community-shifts-in-a-farm-scale-anaerobic-digester-treating-swine-waste-correlations-between-bacteria-communities-associated-with-hydrogenotrophic-methanogens-and-environmental-conditions
#8
Kyungjin Cho, Seung Gu Shin, Woong Kim, Joonyeob Lee, Changsoo Lee, Seokhwan Hwang
Microbial community structure in a farm-scale anaerobic digester treating swine manure was investigated during three process events: 1) prolonged starvation, and changes of 2) operating temperature (between meso- and thermophilic) and 3) hydraulic retention time (HRT). Except during the initial period, the digester was dominated by hydrogenotrophic methanogens (HMs). The bacterial community structure significantly shifted with operating temperature and HRT but not with long-term starvation. Clostridiales (26...
May 25, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28532158/particulate-matter-heavy-metals-and-polycyclic-aromatic-hydrocarbons-accumulation-on-the-leaves-of-tilia-cordata-mill-in-five-polish-cities-with-different-level-of-air-pollution
#9
Robert Popek, Adrian Łukowski, Christopher Bates, Jacek Oleksyn
Urbanized areas are struggling with the problem of air pollution and when the number of people living in cities increasing, the situation is likely to deteriorate. One of the most harmful pollutants is particulate matter (PM). Increased levels of PM in the atmosphere are likely to have a negative impact on human health. Phytoremediation technology could be a solution. It involves plants acting as bio-filters by accumulating particles on, and in the leaves, which removes the particles from the atmosphere.This study looks at the accumulation of PM including heavy metals (HMs) and polycyclic aromatic hydrocarbons (PAHs), on the foliage of small-leaved lime (Tilia cordata Mill...
May 22, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28529947/immune-checkpoint-blockade-for-hematologic-malignancies-a-review
#10
REVIEW
Matthew J Pianko, Yuzhou Liu, Srishti Bagchi, Alexander M Lesokhin
Immune checkpoint blockade has revolutionized the treatment of cancer, with impressive responses seen in a broad variety of tumor types. Blockade of immune checkpoints and immune signaling antibodies has shown promise in multiple types of hematologic malignancies (HMs), with dramatic single agent responses for pembrolizumab and nivolumab in Hodgkin lymphoma (HL). In this review, we outline the current state of immune checkpoint blockade drug development in HMs, and discuss mechanisms of activity and resistance, and highlight potential targets in the immune tumor microenvironment (TME)...
2017: Stem Cell Investigation
https://www.readbyqxmd.com/read/28520900/accelerating-high-dimensional-clustering-with-lossless-data-reduction
#11
Bahjat F Qaqish, Jonathon J O'Brien, Jonathan C Hibbard, Katie J Clowers
Motivation: For cluster analysis, high dimensional data is associated with instability, decreased classification accuracy and high computational burden. The latter challenge can be eliminated as a serious concern. For applications where dimension reduction techniques are not implemented, we propose a temporary transformation which accelerates computations with no loss of information. The algorithm can be applied for any statistical procedure depending only on Euclidean distances and can be implemented sequentially to enable analyses of data that would otherwise exceed memory limitations...
May 18, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28498654/template-mediated-ni-ii-dispersion-in-mesoporous-sio2-for-preparation-of-highly-dispersed-ni-catalysts-influence-of-template-type
#12
Xin Ning, Yiyuan Lu, Heyun Fu, Haiqin Wan, Zhaoyi Xu, Shourong Zheng
Supported Ni catalysts on three mesoporous SiO2 supports (i.e., SBA-15, MCM-41, and HMS) were prepared using a solid-state reaction between Ni(NO3)2 and organic template-occluded mesoporous SiO2. For comparison, supported Ni catalysts on mesoporous SiO2 synthesized by the conventional impregnation method were also included. The catalysts were characterized by scanning electron microscopy, X-ray diffraction, UV-vis diffuse reflectance spectroscopy, N2 adsorption, X-ray photoelectron spectroscopy, H2 temperature-programmed reduction, transmission electron microscopy, and transmission electron microscopy-energy-dispersive X-ray...
June 7, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28498125/examining-the-effects-of-urban-agglomeration-polders-on-flood-events-in-qinhuai-river-basin-china-with-hec-hms-model
#13
Yuqin Gao, Yu Yuan, Huaizhi Wang, Arthur R Schmidt, Kexuan Wang, Liu Ye
The urban agglomeration polders type of flood control pattern is a general flood control pattern in the eastern plain area and some of the secondary river basins in China. A HEC-HMS model of Qinhuai River basin based on the flood control pattern was established for simulating basin runoff, examining the impact of urban agglomeration polders on flood events, and estimating the effects of urbanization on hydrological processes of the urban agglomeration polders in Qinhuai River basin. The results indicate that the urban agglomeration polders could increase the peak flow and flood volume...
May 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28496451/genome-wide-identification-of-histone-modifiers-and-their-expression-patterns-during-fruit-abscission-in-litchi
#14
Manjun Peng, Peiyuan Ying, Xuncheng Liu, Caiqin Li, Rui Xia, Jianguo Li, Minglei Zhao
Modifications to histones, including acetylation and methylation processes, play crucial roles in the regulation of gene expression in plant development as well as in stress responses. However, limited information on the enzymes catalyzing histone acetylation and methylation in non-model plants is currently available. In this study, several histone modifier (HM) types, including six histone acetyltransferases (HATs), 11 histone deacetylases (HDACs), 48 histone methyltransferases (HMTs), and 22 histone demethylases (HDMs), are identified in litchi (Litchi chinensis Sonn...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28486473/an-activity-integrated-strategy-of-the-identification-screening-and-determination-of-potential-neuraminidase-inhibitors-from-radix-scutellariae
#15
Wei Liu, Huilin Wang, Bo Zhu, Chengqian Yin, Shuyang Chen, Jin Li, Xie-An Yu, John Teye Azietaku, Mingrui An, Xiu-Mei Gao, Yan-Xu Chang
Small molecules isolated from herbal medicines (HMs) were identified as the potential neuraminidase inhibitors which are effective in influenza prevention and treatment. Unfortunately, current available screen methods of small molecules isolated from HMs are inefficient and insensitive. Here a novel Ultra Performance Liquid Chromatography coupled with diode-array detectors and auto-fraction collector / time-of-flight mass spectrometry (UPLC-DAD-FC/Q-TOF-MS) screening method with high efficiency was developed and validated to separate, collect, enrich, identify and quantify potential neuraminidase inhibitors from Radix Scutellariae...
2017: PloS One
https://www.readbyqxmd.com/read/28462140/effectiveness-and-safety-of-combination-treatment-of-herbal-medicines-and-oral-antihistamines-for-atopic-dermatitis-a-retrospective-chart-review
#16
Younghee Yun, Jaewoong Son, Kyuseok Kim, Bo-Hyeong Jang, Inhwa Choi, Seong-Gyu Ko
BACKGROUND: Patients with atopic dermatitis (AD) exhibit various symptoms, especially itching. Recently, herbal medicines (HMs) are being used in combination with antihistamines for the treatment of AD in Korea. While oral antihistamines can alleviate itching, HMs appear to exert anti-inflammatory effects with minimal side effects. However, there is little evidence regarding the effectiveness and safety of using HMs in combination with antihistamines for AD. METHODS: To observe the effectiveness and safety of combination treatment with HMs and antihistamines, we performed a retrospective chart review of inpatients with AD who received this combination treatment for at least 7 days in a hospital...
March 2017: Integrative medicine research
https://www.readbyqxmd.com/read/28459617/outpatient-closed-loop-control-with-unannounced-moderate-exercise-in-adolescents-using-zone-model-predictive-control
#17
Lauren M Huyett, Trang T Ly, Gregory P Forlenza, Suzette Reuschel-DiVirgilio, Laurel H Messer, R Paul Wadwa, Ravi Gondhalekar, Francis J Doyle, Jordan E Pinsker, David M Maahs, Bruce A Buckingham, Eyal Dassau
BACKGROUND: The artificial pancreas (AP) has the potential to improve glycemic control in adolescents. This article presents the first evaluation in adolescents of the Zone Model Predictive Control and Health Monitoring System (ZMPC+HMS) AP algorithms, and their first evaluation in a supervised outpatient setting with frequent exercise. MATERIALS AND METHODS: Adolescents with type 1 diabetes underwent 3 days of closed-loop control (CLC) in a hotel setting with the ZMPC+HMS algorithms on the Diabetes Assistant platform...
June 2017: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/28456602/an-update-on-nitric-oxide-and-its-benign-role-in-plant-responses-under-metal-stress
#18
REVIEW
Seema Sahay, Meetu Gupta
Pollution due to heavy metal(loid)s has become common menace across the globe. This is due to unprecedented frequent geological changes coupled with increasing anthropogenic activities, and population growth rate. Heavy metals (HMs) presence in the soil causes toxicity, and hampers plant growth and development. Plants being sessile are exposed to a variety of stress and/or a network of different kinds of stresses throughout their life cycle. To sense and transduce these stress signal, the signal reactive nitrogen species (RNS) particularly nitric oxide (NO) is an important secondary messenger next to only reactive oxygen species (ROS)...
April 26, 2017: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/28454434/f10-a-novel-hydatidiform-mole-associated-gene-inhibits-the-paclitaxel-sensitivity-of-a549-lung-cancer-cells-by-downregulating-bax-and-caspase-3
#19
Yali Song, Wei Cao, Xi Zhu, Zhuolin Qiu, Xiaoping Yang, Jing Liu, Ruoting Xu, Weizhuang Yuan, Song Quan
F10 is a novel hydatidiform mole (HM)-associated gene that was initially identified during a study into the pathogenesis of HMs. However, the role of the F10 gene requires further investigation. Our, previous studies have indicated that F10 may be involved in the malignant transformation of HMs and the development of certain types of adenocarcinoma, and that the overexpression of F10 may lead to excessive proliferation and decreased apoptosis of A549 cells. The present study aimed to investigate whether F10 may suppress the sensitivity of A549 lung cancer cells to paclitaxel therapy...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28427550/home-made-spacer-as-an-auxiliary-device-in-administration-of-beclomethasone-via-pressurized-metered-dose-inhaler-for-asthma-control-a-randomized-controlled-pragmatic-trial
#20
Deborah Schor, José Ângelo Rizzo, Decio Medeiros, Ana Carolina Dela Bianca, Almerinda Rego Silva, Carlos Nunes, Mário Morais-Almeida, Emanuel Sarinho
BACKGROUND: Holding chambers or spacers can enhance the efficacy of pressurized metered dose inhalers (pMDI) in delivering inhaled medications, as they reduce the need for hand-breath coordination and improve lower airways deposition. Nevertheless, their cost can be high for patients in low-income countries. OBJECTIVE: To compare asthma control achieved with beclomethasone-dipropionate administered through a hydrofluoroalkane-driven pMDI (BDp-pMDI) coupled to a home-made spacer (HmS) or to a valved commercial spacer (VCS) as auxiliary devices...
May 2017: Respiratory Medicine
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