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https://www.readbyqxmd.com/read/28738545/municipal-wastewater-treatment-via-co-immobilized-microalgal-bacterial-symbiosis-microorganism-growth-and-nutrients-removal
#1
Yu Shen, Jingqing Gao, Linshuai Li
A symbiotic microalgal-bacterial system may be an optional technology for wastewater treatment. In this study, co-immobilized of a bacterium isolated from a municipal wastewater treatment plant (Pseudomonas putida) and a microalgae Chlorella vulgaris was used in the study of cell growth and nutrient removal during wastewater treatment under batch and continuous culture conditions. Under batch culture conditions, co-immobilization treatment significantly increased the cell density of C. vulgaris and P. putida compared with other treatments...
July 8, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28738536/effect-of-apigenin-kaempferol-and-resveratrol-on-the-gene-expression-and-protein-secretion-of-tumor-necrosis-factor-alpha-tnf-%C3%AE-and-interleukin-10-il-10-in-raw-264-7-macrophages
#2
Marta Palacz-Wrobel, Paulina Borkowska, Monika Paul-Samojedny, Malgorzata Kowalczyk, Anna Fila-Danilow, Renata Suchanek-Raif, Jan Kowalski
Polyphenols such as apigenin, kaempferol or resveratrol are typically found in plants, including fruits, vegetables, herbs and spices, which have a wide range of biological functions such as antioxidative, anti-inflammatory, vasodilative, anticoagulative and proapoptotic. Discovering such multifunctional compounds in widely consumed plant-based products - ones that both inhibit the release of TNF-α from tissue macrophages and at the same time enhance the secretion of IL-10 - would be an important signpost in the quest for effective pharmacological treatment of numerous diseases that have an inflammatory etiology...
July 20, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28738521/ginkgo-biloba-exocarp-extracts-induces-autophagy-in-lewis-lung-cancer-cells-involving-ampk-mtor-p70s6k-signaling-pathway
#3
Chenjie Cao, Dongdong Han, Ya Su, Yu Ge, Huasheng Chen, Aihua Xu
OBJECTIVES: Ginkgo biloba L. is called a living fossil plant, and could be used for the treatment of cancer thousands of years ago in China. The extracts prepared from the Ginkgo biloba exocarp (Ginkgo biloba exocarp extracts, GBEE) has a significant anti-cancer effect. Autophagy plays an important role in the occurrence and development of cancer as programmed cell death (PCD) type II. Thus it would be interesting to study the effects and mechanisms of GBEE inducing autophagy in Lewis lung cancer (LLC) cells...
July 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28738518/teucrium-polium-extract-reverses-symptoms-of-streptozotocin-induced-diabetes-in-rats-via-rebalancing-the-pdx1-and-foxo1-expressions
#4
Parvaneh Sadat Tabatabaie, Razieh Yazdanparast
BACKGROUND AND OBJECTIVE: Teucrium polium Lamiaceae. an antidiabetic traditional medicine was observed to stimulate insulin secretion and β-cell mass restoration in pancreatic of diabetic rats. Bioactive compounds in T. polium such as terpenoids and flavonoids have a wide range of antioxidant properties. Given this background, our research was aimed at probing the effective molecular mechanism of T. polium which in turn protects the pancreatic β-cells of diabetic rats through attenuation of streptozotocin-induced oxidative stress...
July 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28738309/irradiation-by-blue-light-in-the-presence-of-a-photoacid-confers-changes-to-colony-morphology-of-the-plant-pathogen-colletotrichum-gloeosporioides
#5
Ron Simkovitch, Oren Gajst, Einat Zelinger, Oded Yarden, Dan Huppert
We used the photoacid 8-hydroxy-1,3,6-pyrenetrisulfonate (HPTS) that converts blue photons to acidic protons in water, with an efficiency of close to 100%, and determined that this treatment conferred changes to colony morphology of the plant pathogen Colletotrichum gloeosporioides. The time elapsed until hyphal collapse is noticed depends on both the laser intensity in mW/cm(2), and the concentration of HPTS in the Agar hydrogel. The time elapsed until hyphal collapse is noticed varies by only ±8% at HPTS concentrations of 500μM and at lower concentrations of HPTS the variance increases as the inverse of the concentration...
June 28, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28738303/bio-accumulation-of-lanthanum-from-lanthanum-modified-bentonite-treatments-in-lake-restoration
#6
G Waajen, F van Oosterhout, M Lürling
Lanthanum (La) modified bentonite (LMB) is one of the available mitigating agents used for the reduction of the phosphorus (P) recycling in eutrophic lakes. The potential toxicity of the La from LMB to aquatic organisms is a matter of concern. In this study the accumulation of La was investigated in the macrophyte Elodea nuttallii, in chironomid larvae and in several fish species during periods up to five years following in situ LMB applications. The application of LMB increased the La concentration of exposed plants and animals...
July 21, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28738302/abnormal-pinocytosis-and-valence-variable-behaviors-of-cerium-suggested-a-cellular-mechanism-for-plant-yield-reduction-induced-by-environmental-cerium
#7
Lihong Wang, Jingfang He, Qing Yang, Xiaofen Lv, Jigang Li, David D Y Chen, Xiaolan Ding, Xiaohua Huang, Qing Zhou
The environmental safety of cerium (Ce) applications in many fields has been debated for almost a century because the cellular effects of environmental Ce on living organisms remain largely unclear. Here, using new, interdisciplinary methods, we surprisingly found that after Ce(III) treatment, Ce(III) was first recognized and anchored on the plasma membrane in leaf cells. Moreover, some trivalent Ce(III) was oxidized to tetravalent Ce(IV) in this organelle, which activated pinocytosis. Subsequently, more anchoring sites and stronger valence-variable behavior on the plasma membrane caused stronger pinocytosis to transport Ce(III and IV) into the leaf cells...
July 21, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28738207/translocation-of-heavy-metals-from-soils-into-floral-organs-and-rewards-of-cucurbita-pepo-implications-for-plant-reproductive-fitness
#8
Erna Xun, Yanwen Zhang, Jimin Zhao, Jixun Guo
Metals and metalloids in soil could be transferred into reproductive organs and floral rewards of hyperaccumulator plants and influence their reproductive success, yet little is known whether non-hyperaccumulator plants can translocate heavy metals from soil into their floral organs and rewards (i.e., nectar and pollen) and, if so, whether plant reproduction will be affected. In our studies, summer squash (Cucurbita pepo L. cv. Golden Apple) was exposed to heavy-metal treatments during bud stage to investigate the translocation of soil-supplemented zinc, copper, nickel and lead into its floral organs (pistil, anther and nectary) and rewards (nectar and pollen) as well as floral metal accumulation effects on its reproduction...
July 21, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28738204/the-fate-of-sotalol-in-aqueous-chlorination-kinetics-mechanisms-and-ecotoxicity-assessment
#9
Wan Nor Adira Wan Khalit, Kheng Soo Tay
Unmetabolized pharmaceuticals often enter the water treatment plants and exposed to various treatment processes. Among these water treatment processes, disinfection is a process which involves the application of chemical oxidation to remove pathogen. Untreated pharmaceuticals from primary and secondary treatment have the potential to be exposed to the chemical oxidation process during disinfection. This study investigated the kinetics and mechanism of the degradation of sotalol during chlorination process. Chlorination with hypochlorous acid (HOCl) as main reactive oxidant has been known as one of the most commonly used disinfection methods...
July 21, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28738197/tracking-changes-in-composition-and-amount-of-dissolved-organic-matter-throughout-drinking-water-treatment-plants-by-comprehensive-two-dimensional-gas-chromatography-quadrupole-mass-spectrometry
#10
Chunmei Li, Donghong Wang, Xiong Xu, Meijia Xu, Zijian Wang, Ruiyang Xiao
Dissolved organic matter (DOM) can affect the performance of water treatment processes and produce undesirable disinfection by-products during disinfection. Several studies have been undertaken on the structural characterization of DOM, but its fate during drinking water treatment processes is still not fully understood. In this work, the nontargeted screening method of comprehensive two-dimensional gas chromatography-quadrupole mass spectrometry (GC×GC-qMS) was used to reveal the detailed changes of different chemical classes of compounds in DOM during conventional and advanced drinking water treatment processes at three drinking water treatment plants in China...
July 21, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28738172/impact-of-polymeric-membrane-breakage-on-drinking-water-quality-and-an-online-detection-method-of-the-breakage
#11
Qilong Wu, Zhenghua Zhang, Guodong Cao, Xihui Zhang
Polymeric membrane has been widely used for the treatment of drinking water in China, and the total treating capacity has reached up to 3.8 million m(3)/d. However, the membrane breakage found in the membrane modules in many water treatment plants resulted in an increase in turbidity and bacterial amount in the membrane permeate. In this study, a membrane module running for 3 years in a full-scale application was examined in terms of the breaking positions and the numbers of the broken fibers. It was found that most of the breaking positions were mainly on the outlet side of the module and that the distance from these points to the outlet was about 1/10-2/10 length of the membrane module...
July 24, 2017: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
https://www.readbyqxmd.com/read/28737825/combination-of-rapamycin-and-garlic-derived-s-allylmercaptocysteine-induces-colon-cancer-cell-apoptosis-and-suppresses-tumor-growth-in-xenograft-nude-mice-through-autophagy-p62-nrf2-pathway
#12
Siying Li, Guang Yang, Xiaosong Zhu, Lin Cheng, Yueyue Sun, Zhongxi Zhao
The natural plant-derived product S-allylmercapto-cysteine (SAMC) has been studied in cancer therapy as a single and combination chemotherapeutic agent. The present study was employed to verify the combination use of SAMC and rapamycin that is the mTOR inhibitor with anticancer ability but has limited efficacy due to drug resistance, and to explore the underlying mechanisms. We combined rapamycin and SAMC for colorectal cancer treatment in the HCT‑116 cancer cells and a xenograft murine model. The in vivo study was established by xenografting HCT‑116 cells in BALB/c nude mice...
July 24, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28737443/fertirrigation-with-sugarcane-vinasse-foreseeing-potential-impacts-on-soil-and-water-resources-through-vinasse-characterization
#13
Lucas T Fuess, Isabella J Rodrigues, Marcelo L Garcia
This paper reports the characterization of the polluting potential of sugarcane vinasse, the main wastewater from ethanol production. Compositional data from vinasse samples collected from sugarcane biorefineries were used to predict negative effects on the soil, water resources and crops potentially associated with fertirrigation, the primary final destination of vinasse in Brazil. High risks of soil salinization were associated with the land disposal of vinasse, as evidenced by the high levels of total dissolved solids (TDS; >4,000 mg L(-1)) and electrical conductivity (>6...
July 24, 2017: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
https://www.readbyqxmd.com/read/28737080/sbr-treatment-of-tank-truck-cleaning-wastewater-sludge-characteristics-chemical-and-ecotoxicological-effluent-quality
#14
Michel Caluwé, Thomas Dobbeleers, Dominique Daens, Luc Geuens, Ronny Blust, Jan Dries
A lab scale activated sludge sequencing batch reactor (SBR) was used to treat tank truck cleaning (TTC) wastewater with different operational strategies (identified as different stages). The first stage was an adaptation period for the seed sludge that originated from a continuous fed industrial plant treating TTC wastewater. The first stage was followed by a dynamic reactor operation based on the oxygen uptake rate (OUR). Thirdly, dynamic SBR control based on OUR treated a daily changing influent. Lastly, the reactor was operated with a gradually shortened fixed cycle...
July 24, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28736617/an-investigation-of-desalination-by-nanofiltration-reverse-osmosis-and-integrated-hybrid-nf-ro-membranes-employed-in-brackish-water-treatment
#15
M Talaeipour, J Nouri, A H Hassani, A H Mahvi
BACKGROUND: As an appropriate tool, membrane process is used for desalination of brackish water, in the production of drinking water. The present study aims to investigate desalination processes of brackish water of Qom Province in Iran. METHODS: This study was carried out at the central laboratory of Water and Wastewater Company of the studied area. To this aim, membrane processes, including nanofiltration (NF) and reverse osmosis (RO), separately and also their hybrid process were applied...
2017: Journal of Environmental Health Science & Engineering
https://www.readbyqxmd.com/read/28736584/secondary-metabolites-from-the-leaves-of-the-medicinal-plant-goldenseal-hydrastis-canadensis
#16
Martha Leyte-Lugo, Emily R Britton, Daniel H Foil, Adam R Brown, Daniel A Todd, José Rivera-Chávez, Nicholas H Oberlies, Nadja B Cech
The study presented herein constitutes an extensive investigation of constituents in Hydrastis canadensis L. (Ranunculaceae) leaves. It describes the isolation and identification of two previously unknown compounds, 3,4-dimethoxy-2-(methoxycarbonyl)benzoic acid (1) and 3,5,3'-trihydroxy-7,4'-dimethoxy-6,8-C-dimethyl-flavone (2), along with the known compounds (±)-chilenine (3), (2R)-5,4'-dihydroxy-6-C-methyl-7-methoxy-flavanone (4), 5,4'-dihydroxy-6,8-di-C-methyl-7-methoxy-flavanone (5), noroxyhydrastinine (6), oxyhydrastinine (7) and 4',5'-dimethoxy-4-methyl-3'-oxo-(1,2,5,6-tetrahydro-4H-1,3-dioxolo-[4',5':4,5]-benzo[1,2-e]-1,2-oxazocin)-2-spiro-1'-phtalan (8)...
June 2017: Phytochemistry Letters
https://www.readbyqxmd.com/read/28736568/bdcipk31-a-calcineurin-b-like-protein-interacting-protein-kinase-regulates-plant-response-to-drought-and-salt-stress
#17
Qingchen Luo, Qiuhui Wei, Ruibin Wang, Yang Zhang, Fan Zhang, Yuan He, Shiyi Zhou, Jialu Feng, Guangxiao Yang, Guangyuan He
Calcineurin B-like protein interacting protein kinases (CIPKs) are vital elements in plant abiotic stress signaling pathways. However, the functional mechanism of CIPKs has not been understood clearly, especially in Brachypodium distachyon, a new monocot model plant. In this study, BdCIPK31, a CIPK gene from B. distachyon was characterized. BdCIPK31 was downregulated by polyethylene glycol, NaCl, H2O2, and abscisic acid (ABA) treatments. Transgenic tobacco plants overexpressing BdCIPK31 presented improved drought and salt tolerance, and displayed hypersensitive response to exogenous ABA...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28736248/comparison-of-survival-for-partial-vs-radical-nephrectomy-in-young-patients-with-t1a-renal-cell-carcinoma-treated-at-commission-on-cancer-accredited-facilities-and-influence-of-comorbidities-on-treatment-choice
#18
Daniel C Wang, Kyle Plante, Telisa Stewart, Dongliang Wang, Margaret Formica, Michael Daugherty, Gennady Bratslavsky
PURPOSE: There is a paucity of data comparing effects of partial nephrectomy (PN) vs. radical nephrectomy (RN) on overall survival in young patients. In this study, the National Cancer Database was used to evaluate the survival outcomes of those treated with PN and RN, and influence of comorbidities on surgical treatment (PN vs. RN) in young patients while accounting for Charlson-Deyo Comorbidity Score (CDCS). MATERIALS AND METHODS: Patients between 20 and 44 years old (n = 9,849) surgically treated for pT1a renal cell carcinoma between 2004 and 2013 were identified from the National Cancer Database...
July 20, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28736051/leachate-pollution-index-as-an-effective-tool-in-determining-the-phytotoxicity-of-municipal-solid-waste-leachate
#19
V Arunbabu, K S Indu, E V Ramasamy
Phytoremediation is a promising option for the treatment of municipal solid waste leachate. Combining the leachate pollution index with the phytotoxicity data will be useful in predicting the suitable concentration of leachate for the phytoremediation applications. Understanding the tolerant mechanisms of plants to leachate stress will further help to select the appropriate dose. The aim of the study was to investigate the effect of different concentrations of leachate on germination, growth, chlorophyll content and antioxidant enzyme activities in the plant Vigna unguiculata...
July 20, 2017: Waste Management
https://www.readbyqxmd.com/read/28735448/inhibitory-effects-of-andrographolide-on-activated-macrophages-and-adjuvant-induced-arthritis
#20
Swati Gupta, Kamla Prasad Mishra, Shashi Bala Singh, Lilly Ganju
Andrographolide, a diterpenoid lactone obtained from plant Andrographis paniculata, is used in South Asian countries to relieve various inflammatory symptoms. To study the effects of this agent, the impact of andrographolide on production of inflammatory mediators were delineated in mouse peritoneal macrophages (PMϕ). Inflammatory mediators like nitric oxide (NO), tumor necrosis factor (TNF)-α, interleukin-6 and related molecular mechanisms of andrographolide-mediated inhibition of enzymes/transcription factors were studied...
July 22, 2017: Inflammopharmacology
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