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https://www.readbyqxmd.com/read/28806652/applicability-of-alkaline-precipitation-for-the-recovery-of-edds-spent-solution
#1
Marco Race
This paper presents an innovative procedure for the recovery of SS-ethylenediamine-N,N'-disuccinic acid (EDDS) solution used for soil washing processes. The procedure is derived from that applied for the recovery of ethylenediamine-tetraacetic acid (EDTA), modifying and optimizing the choice of the chemical agents used for the protonation of the chelant, the exchange of the metals, and the final precipitation of the unwanted compounds. To select the reagents and test the proposed approach, an experimental study was conducted on real EDDS spent solutions, obtained washing a Cu and Zn real contaminated soil...
August 11, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28806626/cryopreservation-of-cynomolgus-macaque-macaca-fascicularis-sperm-with-glycerol-and-ethylene-glycol-and-its-effect-on-sperm-specific-ion-channels-catsper-and-hv1
#2
Bingbing Chen, Shanshan Li, Yaping Yan, Yanchao Duan, Shaohui Chang, Hong Wang, Weizhi Ji, Xin Wu, Wei Si
The cryoprotective agent (CPA) is one of the most important factors that affects the cryosurvival of sperm. The aim of the present study was to compare two different CPAs, glycerol (Gly) and ethylene glycol (EG), on the cryopreservation of cynomolgus macaques sperm and evaluate the effects of cryopreservation on sperm motility, acrosomal integrity, DNA integrity, mitochondrial function and the sperm membrane ion channels CatSper and Hv1. Compared to fresh sperm, cryopreservation with either 0.7 M Gly or EG decreased the sperm motility (79...
August 8, 2017: Theriogenology
https://www.readbyqxmd.com/read/28806422/silver-nanoparticles-as-a-control-agent-against-facades-coated-by-aerial-algae-a-model-study-of-apatococcus-lobatus-green-algae
#3
Paulina Nowicka-Krawczyk, Joanna Żelazna-Wieczorek, Tomasz Koźlecki
Aerial algae are an important biological factor causing the biodegradation of building materials and facades. Conservation procedures aimed at the protection of historic and utility materials must be properly designed to avoid an increase of the degradation rate. The aim of the present study was to investigate the effect of silver nanoparticles (AgNP) synthetized with features contributing to the accessibility and toxicity (spherical shape, small size) on the most frequently occurring species of green algae in aerial biofilms and thus, the most common biodegradation factor-Apatococcus lobatus...
2017: PloS One
https://www.readbyqxmd.com/read/28805729/systems-biology-approach-to-bioremediation-of-nitroaromatics-constraint-based-analysis-of-2-4-6-trinitrotoluene-biotransformation-by-escherichia-coli
#4
Maryam Iman, Tabassom Sobati, Yunes Panahi, Meysam Mobasheri
Microbial remediation of nitroaromatic compounds (NACs) is a promising environmentally friendly and cost-effective approach to the removal of these life-threating agents. Escherichia coli (E. coli) has shown remarkable capability for the biotransformation of 2,4,6-trinitro-toluene (TNT). Efforts to develop E. coli as an efficient TNT degrading biocatalyst will benefit from holistic flux-level description of interactions between multiple TNT transforming pathways operating in the strain. To gain such an insight, we extended the genome-scale constraint-based model of E...
August 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28805478/production-of-platelet-rich-plasma-gel-from-elderly-patients-under-antithrombotic-drugs-perspectives-in-chronic-wounds-care
#5
M Velier, J Magalon, A Daumas, M Cassar, P Francois, A Ghazouane, C Philandrianos, B Bertrand, C Frere, D Bernot, P Villani, F Dignat George, F Sabatier
Platelet-Rich Plasma (PRP) is an autologous biological therapy obtained by centrifuging the patient's own blood to concentrate platelets. The addition of autologous thrombin and calcium chloride to PRP allows the production of a semi-solid form called PRP gel. PRP gel is increasingly used in a variety of tissue defects and predominantly in the management of non-healing chronic wounds. The topical application of PRP gel seems promising due to the capability of platelets to store and secrete growth factors (GF), fibrin and cytokines, which are essentials for wound healing...
August 14, 2017: Platelets
https://www.readbyqxmd.com/read/28805306/bioprocess-scale-up-down-as-integrative-enabling-technology-from-fluid-mechanics-to-systems-biology-and-beyond
#6
Frank Delvigne, Ralf Takors, Rob Mudde, Walter van Gulik, Henk Noorman
Efficient optimization of microbial processes is a critical issue for achieving a number of sustainable development goals, considering the impact of microbial biotechnology in agrofood, environment, biopharmaceutical and chemical industries. Many of these applications require scale-up after proof of concept. However, the behaviour of microbial systems remains unpredictable (at least partially) when shifting from laboratory-scale to industrial conditions. The need for robust microbial systems is thus highly needed in this context, as well as a better understanding of the interactions between fluid mechanics and cell physiology...
August 14, 2017: Microbial Biotechnology
https://www.readbyqxmd.com/read/28805166/the-influence-of-organic-matter-content-and-media-compaction-on-the-dispersal-of-entomopathogenic-nematodes-with-different-foraging-strategies
#7
Apostolos Kapranas, Abigail M D Maher, Christine T Griffin
In laboratory experiments, we investigated how media with varying ratio of peat:sand and two levels of compaction influence dispersal success of entomopathogenic nematode (EPN) species with different foraging strategies: Steinernema carpocapsae (ambusher), Heterorhabditis downesi (cruiser) and Steinernema feltiae (intermediate). Success was measured by the numbers of nematodes moving through a 4 cm column and invading a wax moth larva. We found that both compaction and increasing peat content generally decreased EPN infective juvenile (IJ) success for all three species...
August 14, 2017: Parasitology
https://www.readbyqxmd.com/read/28805140/a-rat-model-for-the-in-vivo-assessment-of-biological-and-tissue-engineered-valvular-and-vascular-grafts
#8
Yukiharu Sugimura, Anna Kathrin Schmidt, Artur Lichtenberg, Alexander Assmann, Payam Akhyari
The demand for an improvement of the biocompatibility and durability of vascular and valvular implants requires translational animal models to study the in vivo fate of cardiovascular grafts. In the present article, a review on the development and application of a microsurgical rat model of infrarenal implantation of aortic grafts and aortic valved conduits is provided. By refinement of surgical techniques and inclusion of hemodynamic considerations, a functional model has been created, which provides a modular platform for the in vivo assessment of biological and tissue-engineered grafts...
August 12, 2017: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/28804952/evaluation-of-cytotoxicity-of-propofol-and-its-related-mechanism-in-glioblastoma-cells-and-astrocytes
#9
Shu-Shong Hsu, Chung-Ren Jan, Wei-Zhe Liang
Propofol (2,6-diisopropylphenol), one of the extensively and commonly used anesthetic agents, has been shown to affect the biological behavior of various models. Previous researches have shown that propofol-induced cytotoxicity might cause anticancer effect in different cells. However, the mechanisms underlying the effect of propofol on cytotoxicity is still elusive in human glioblastoma cells. The aims of this study were to evaluate effects of propofol on cytotoxicity, cell cycle distribution and ROS production, and establish the relationship between oxidative stress and cytotoxicity in GBM 8401 human glioblastoma cells and DI TNC1 rat astrocytes...
August 14, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28804700/abridged-version-of-the-awmf-guideline-for-the-medical-clinical-diagnostics-of-indoor-mould-exposure-s2k-guideline-of-the-german-society-of-hygiene-environmental-medicine-and-preventive-medicine-ghup-in-collaboration-with-the-german-association-of-allergists
#10
Gerhard A Wiesmüller, Birger Heinzow, Ute Aurbach, Karl-Christian Bergmann, Albrecht Bufe, Walter Buzina, Oliver A Cornely, Steffen Engelhart, Guido Fischer, Thomas Gabrio, Werner Heinz, Caroline E W Herr, Jörg Kleine-Tebbe, Ludger Klimek, Martin Köberle, Herbert Lichtnecker, Thomas Lob-Corzilius, Rolf Merget, Norbert Mülleneisen, Dennis Nowak, Uta Rabe, Monika Raulf, Hans Peter Seidl, Jens-Oliver Steiß, Regine Szewszyk, Peter Thomas, Kerttu Valtanen, Julia Hurraß
This article is an abridged version of the AWMF mould guideline "Medical clinical diagnostics of indoor mould exposure" presented in April 2016 by the German Society of Hygiene, Environmental Medicine and Preventive Medicine (Gesellschaft für Hygiene, Umweltmedizin und Präventivmedizin, GHUP), in collaboration with the above-mentioned scientific medical societies, German and Austrian societies, medical associations and experts. Indoor mould growth is a potential health risk, even if a quantitative and/or causal relationship between the occurrence of individual mould species and health problems has yet to be established...
2017: Allergo Journal International
https://www.readbyqxmd.com/read/28804605/up-regulation-of-mir-21-decreases-chemotherapeutic-effect-of-dendrosomal-curcumin-in-breast-cancer-cells
#11
Mohammad Javad Dehghan Esmatabadi, Baharak Farhangi, Maryam Montazeri, Hamideh Monfared, Roohollah Nakhaei Sistani, Majid Sadeghizadeh
OBJECTIVES: Despite the good results of anticancer activities by curcumin, there are some hurdles that limit the use of curcumin as an anticancer agent. Many methods were examined to overcome this defect like the use of the dendrosomal curcumin (DNC). There is increasing evidence that miRNAs play important roles in biological processes. In this study, we focus on the roles of microRNA-21 in the anti-cancer effects of DNC in breast cancer. MATERIALS AND METHODS: Also, we have used different methods such as MTT, apoptosis, cell cycle analysis, transwell migration assay and RT-PCR to find out more...
April 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28804543/light-of-dna-alkylating-agents-in-castration-resistant-prostate-cancer-cells-a-novel-mixed-egfr-dna-targeting-combi-molecule
#12
Guan-Can Liang, Hao-Feng Zheng, Yan-Xiong Chen, Teng-Cheng Li, Wei Liu, You-Qiang Fang
OBJECTIVE: The mechanism underlying the therapeutic effects of combi-molecule JDF12 on prostate cancer (PCa) DU145 cells remains still unclear. This study aimed to investigate the proteomic profile after JDF12 treatment in DU145 cells by comparing with that in Iressa treated cells and untreated cells. METHODS: MTT was used to evaluate drug cytotoxicity, DAPI staining was done to assess apoptosis of cells, and flow cytometry was used to analyze cell cycle. iTRAQ and qPCR were employed to obtain the proteomic profiles of JDF12 treated, Iressa treated, and untreated DU145 cells, and validate the expression of selected differentially expressed proteins, respectively...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28804488/anti-adhesion-therapies-in-inflammatory-bowel-disease-molecular-and-clinical-aspects
#13
REVIEW
Sebastian Zundler, Emily Becker, Carl Weidinger, Britta Siegmund
The number of biologicals for the therapy of immunologically mediated diseases is constantly growing. In contrast to other agents that were previously introduced in rheumatologic or dermatologic diseases and only later adopted for the treatment of inflammatory bowel diseases (IBDs), the field of IBD was ground breaking for the concept of anti-adhesion blockade. Anti-adhesion antibodies selectively target integrins controlling cell homing to the intestine, which leads to reduction of inflammatory infiltration to the gut in chronic intestinal inflammation...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28804487/the-response-of-phagocytes-to-indoor-air-toxicity
#14
Liisa K Vilén, Janne Atosuo, Esa-Matti Lilius
This perspective presents a viewpoint on potential methods assessing toxicity of indoor air. Until recently, the major techniques to document moldy environment have been microbial isolation using conventional culture techniques for fungi and bacteria as well as in some instances polymerase chain reaction to detect microbial genetic components. However, it has become increasingly evident that bacterial and fungal toxins, their metabolic products, and volatile organic substances emitted from corrupted constructions are the major health risks...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28804441/comparison-study-on-antioxidant-dna-damage-protective-and-antibacterial-activities-of-eugenol-and-isoeugenol-against-several-foodborne-pathogens
#15
Liang-Liang Zhang, Li-Fang Zhang, Jian-Guo Xu, Qing-Ping Hu
Eugenol and its isomer isoeugenol are both used as flavouring agents or food additives in food products, and have both some similar biological properties. However, the difference in biological activities between eugenol and isoeugenol is rarely studied. In this study, the profiles of antioxidant, DNA-protective effects and antibacterial activities of eugenol and isoeugenol against several common foodborne pathogens were investigated and compared under various experiment conditions. Results showed that eugenol and isoeugenol had strong antioxidant activity, the protective effect against DNA damage and antibacterial activity...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28803981/first-report-of-coelomomyces-santabrancae-sp-nov-blastocladiomycetes-blastocladiales-infecting-mosquito-larvae-diptera-culicidae-in-central-brazil
#16
M E Rueda-Páramo, C Montalva, W Arruda, É K K Fernandes, C Luz, R A Humber
A project from 2013-2017 to discover pathogenic fungi and oomycetes from dipteran species that are vectors of major diseases of humans and animals in central Brazil and to begin evaluating the potential of these pathogens as potential biological control agents concentrated on mosquito larvae. Some collecting sites proved to be especially productive for pathogens of naturally occurring mosquito species and for placements of healthy sentinel larvae of Aedes aegypti in various sorts of containers in a gallery forest in the Santa Branca Ecoturismo Private Reserve of Natural Patrimony (RPPN) near Terezópolis de Goiás (GO)...
August 10, 2017: Journal of Invertebrate Pathology
https://www.readbyqxmd.com/read/28803406/does-wolbachia-infection-change-the-overwintering-ability-of-trichogramma-brassicae-hymenoptera-trichogrammatidae
#17
S Rahimi-Kaldeh, A Ashouri, A Bandani
The overwintering ability of a biological control agent helps predict potential survival and establishment in natural conditions. Here, we compared the overwintering ability in sexual and asexual Trichogramma brassicae Bezdenko, a key natural enemy of Lepidopteran pests in Iran over two consecutive winters in central Alborz Mountains. Our aim was to investigate the effect of Wolbachia infection on the overwintering rate of T. brassicae after emergence in the subsequent year. We also wanted to know whether there is any difference in the overwintering capacity of T...
August 12, 2017: Neotropical Entomology
https://www.readbyqxmd.com/read/28803257/synthesis-and-biological-evaluation-of-4-o-acetyl-isoxanthohumol-and-its-analogues-as-antioxidant-and-antiproliferative-agents
#18
Monika Stompor, Marta Świtalska, Rafał Podgórski, Łukasz Uram, David Aebisher, Joanna Wietrzyk
Isoxanthohumol (2) and its 4'-O-monoacylated (3) and 7,4'-O-diacetylated (4) derivatives were synthesized and evaluated in vitro for their cytotoxic activity against several cancer cell lines of various origins: MCF-7 (breast), A549 (lung), MESSA (uterine sarcoma), LoVo (colon), drug-resistant human cancer cells (MESSA/DX and LoVo/DX), glioblastoma (U-118 MG), and also towards the non-cancerous cell line MCF-10A (normal breast cells). An antiproliferative assay indicates that 7,4'-di-O-acylisoxanthohumol (4) has similar cytotoxicity to its precursor, isoxanthohumol (2), against selected cell lines (A549, MES-SA, MES-SA/5DX, and U-118 MG)...
August 12, 2017: Acta Biochimica Polonica
https://www.readbyqxmd.com/read/28803189/efficacy-of-radiant-catalytic-ionization-to-reduce-bacterial-populations-in-air-and-on-different-surfaces
#19
Krzysztof Skowron, Katarzyna Grudlewska, Joanna Kwiecińska-Piróg, Grzegorz Gryń, Mścisław Śrutek, Eugenia Gospodarek-Komkowska
Air contamination by biological agents is often observed in medical or veterinary facilities and industrial plants. Bioaerosols may sediment and pose the surface contamination. Microorganisms present on them may become a source of infections among humans and food contamination. This study determined the use of oxidative gases, including ozone and peroxide, generated by the Radiant Catalytic Ionization (RCI) cell for the inactivation of Acinetobacter baumannii, Escherichia coli, Enterococcus faecalis, Pseudomonas aeruginosa, Salmonella Enteritidis, Listeria monocytogenes, Staphylococcus aureus, Streptococcus epidermidis, Bacillus subtilis, Clostridium sporogenes, Candida albicans, Aspergillus niger and Penicillium chrysogenumon in air and on different surfaces...
August 10, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28803043/structure-based-development-of-novel-triazoles-and-related-thiazolotriazoles-as-anticancer-agents-and-cdc25a-b-phosphatase-inhibitors-synthesis-in%C3%A2-vitro-biological-evaluation-molecular-docking-and-in-silico-adme-t-studies
#20
Sherif A F Rostom, Mona H Badr, Heba A Abd El Razik, Hayam M A Ashour
Synthesis of twenty nine new 1,2,4-triazoles and some derived thiazolothiadiazoles (structurally-relevant to some reported triazoles with anticancer and/or Cdc25A/B inhibitory activities) is described in this study. The obtained NCI's in vitro antitumor data revealed that five analogs (12, 15, 18, 19 and 22) displayed considerable tumor percentage growth inhibitory activity (GI%), among which the analog 18 possessed a special antitumor potential and spectrum. Additionally, the same five analogs showed a marginal GI effect on the normal breast epithelial cell line MCF-10A indicating higher selectivity towards cancer cells...
July 25, 2017: European Journal of Medicinal Chemistry
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