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PubMed Journals Articles About "Important Process Fueling Harmful Algal Blooms Investigated Canadian" - Page: 20 RSS

12:49 EST 16th November 2018 | BioPortfolio

Important Process Fueling Harmful Algal Blooms Investigated Canadian PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Important Process Fueling Harmful Algal Blooms Investigated Canadian articles that have been published worldwide.

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Showing "important process fueling harmful algal blooms investigated Canadian" PubMed Articles 476–500 of 40,000+

Chemical vapor deposition growth of sub-centimeter single crystal WSe monolayer by NaCl-assistant.

Monolayer WSe exhibits unique optical and electronic properties, showing great potential applications in functional integrated devices, such as electronic devices and optoelectronics. Understanding the growth behavior and process are the key points for the salt-assisted growth of large domain WSe monolayers, it is also very important for its further application in on-chip laser and opto-devices. Here, we report a NaCl-assistant method for controlled growth of single crystal monolayer WSe with a domain size ...


Ferrous ions reused as catalysts in Fenton-like reactions for remediation of agro-food industrial wastewater.

Cassava is the most important tuberous root in tropical and subtropical regions of the world, being the third largest source of carbohydrates. The root processing is related to the production of starch, an important industrial input, which releases a highly toxic liquid wastewater due to its complex composition, which inhibits high performances of conventional effluent treatments. This study aims to evaluate Fenton-like and photo-Fenton-like reactions for treatment of cassava wastewater, reusing ferrous ion...

N-Heterocyclic Carbene-Catalyzed Formal Conjugate Hydroacylation: An Atom Economic Synthesis of 1H-Indol-3-yl Esters.

An atom-economic synthesis of useful 1 H-indol-3-yl esters has been demonstrated by an N-heterocyclic carbene (NHC)-catalyzed formal conjugate hydroacylation of 2-phenyl-indol-3-ones with readily accessible aldehydes. This reaction involves a reductive hydride transfer process that was rarely investigated in the field of NHC catalysis. In this process, the hydrogen from the aldehydes was formally transferred to a heteroatom with NHC catalysis for the first time.


Green synthesis of CuO nanomaterials and their proficient use for organic waste removal and antimicrobial application.

Copper oxide (CuO) nanomaterials (NMs) of different size and morphology were synthesized by Chemical precipitation, Microwave irradiation and Hydrothermal method and characterized by TEM, BET, FTIR, XRD and EDX analysis. As synthesized CuO NMs were utilized for elimination of harmful dyes viz. Direct Red 81 (DR-81) and Coomassie Brilliant blue R-250 (BBR-250) and pathogenic bacteria (Staphylococcus aureus). Owing to their morphology, smaller size and relatively high surface area (40.320 m g), CuO NMs prep...

Photochemistry of SO at the air-water interface. A source of OH and HOSO radicals.

The photochemistry of sulfur dioxide in the near UV-Vis energy range has been studied in aqueous environments. The combination of previously reported experimental measurements with accurate quantum chemical calculations achieved in the present work reveals that the process represents an important source of OH radicals in the troposphere. It implicates the reaction of the lowest triplet excited state of SO2 with a water molecule. When the process occurs in the gas phase, photochemical OH production is only s...

Cannabis and the Health and Performance of the Elite Athlete.

Cannabis (marijuana) is undergoing extensive regulatory review in many global jurisdictions for medical and nonmedical access. Cannabis has potential impact on the health of athletes as well as on performance in both training and in competition. The aim of this general review is to identify and highlight the challenges in interpreting information with respect to elite athletic performance, and to point to important research areas that need to be addressed.

Life Cycle Impact and Benefit Tradeoffs of a Produced Water and Abandoned Mine Drainage Co-Treatment Process.

A co-treatment process for produced water and abandoned mine drainage (AMD) has been established and demonstrated at the pilot-scale. The present study evaluates the potential of the proposed process to aid in management of two high volume wastewater resources in Pennsylvania. A systems-level approach is established to evaluate the primary tradeoffs, including co-treatment process environmental impacts, transportation impacts, and environmental benefits realized from precluding direct AMD release to the env...

Bioelectricity generation using microalgal biomass as electron donor in a bio-anode microbial fuel cell.

In this study, microalgal biomass waste (Chlorella regularis) was treated while simultaneously producing bioelectricity in a microbial fuel cell (MFC). Algal biomass was the sole electron donor and was enriched with easily biodegradable proteins (46%) and carbohydrates (22%). The generated power density was 0.86 W/m and the columbic efficiency reached ∼61.5%.The power generation could be further increased to 1.07 W/m by using a biomass waste concentration enhancement strategy with maximum chemical oxy...

Ultrastabilization of Zeolite Y Transforms Brønsted-Brønsted Acid Pairs into Brønsted-Lewis Acid Pairs.

Two pairs of Brønsted acid sites have been identified in H,Na-Y zeolite, located in the supercage and in the sodalite cage, which upon ultrastabilization (dealumination) are transformed into pairs of Brønsted and Lewis acid sites. This mild postsynthetic modification step is an important process for converting this material into an active catalyst for large-scale commercial reactions. Pairing structures and their transformations have been investigated using 1H double-quantum NMR experiments for dehydrated...

Integration of chemical and toxicological tools to assess the bioavailability of copper derived from different copper-based fungicides in soil.

Because the extensive use of Cu-based fungicides, the accumulation of Cu in agricultural soil has been widely reported. However, little information is known about the bioavailability of Cu deriving from different fungicides in soil. This paper investigated both the distribution behaviors of Cu from two commonly used fungicides (Bordeaux mixture and copper oxychloride) during the aging process and the toxicological effects of Cu on earthworms. Copper nitrate was selected as a comparison during the aging proc...

Advantages and disadvantages of channeling Gavi's health system strengthening funds through health partners, a case study.

Following a period of interruption of Gavi's funds for health system strengthening (HSS) in Cameroon and Chad, the two countries reprogramed their HSS grants. To implement the reprogrammed HSS, Chad committed to better management of the funds. Cameroon chose to channel the HSS funds through one of the health partners. This process is new to Gavi's HSS grants, and little is known about its effectiveness or characteristics. We investigated the advantages and disadvantages of this process to inform the global ...

Towards an affordable enzymatic production of biopolyols - Comparing the immobilization of lipases by two optimized techniques.

The production of biopolyols (sustainable, renewable and biodegradable precursors), is exclusively focused on the conventional chemical synthesis pathways, and currently, no polyols are produced by enzymatic processes at an industrial scale, because they are not competitive when compared to petrochemically based polyols due to the overall cost for their production. This can be mainly attributed to the high costs of commercial enzymes used in this process and their use is limited by their lack of stability d...

Temperature dependent photocatalysis of g-CN, TiO and ZnO: Differences in photoactive mechanism.

Photocatalysis has been believed as one of the green and sustainable avenues to address energy and environmental crises by converting solar energy to chemical energy via reactions. Temperature is usually a vital factor controlling kinetics and thermodynamics of a reaction, but it has been less investigated in photocatalysis. In this work, the effect of reaction temperature on photocatalysis was investigated in a simple process, photocatalytic degradation of Congo Red (CR) on three typical catalysts, g-CN, T...

Adsorption of methylene blue on agroindustrial wastes: Experimental investigation and phenomenological modelling.

In this work, agro-wastes coming from soursop (peel, seeds and pulp fiber) and sugarcane (bagasse) are used as low-cost biosorbents to remove methylene blue (MB) from aqueous media. Batch experiments are performed under different experimental conditions investigating the effects of biosorbent amount, dye concentration and stirring rate. The best results were found using soursop wastes for a MB concentration of 100 mg L, using 0.75 g of residue and a stirring rate of 110 rpm, removing a percentage ab...

Nonclinical comparability studies of recombinant human arylsulfatase A addressing manufacturing process changes.

Recombinant human arylsulfatase A (rhASA) is in clinical development for the treatment of patients with metachromatic leukodystrophy (MLD). Manufacturing process changes were introduced to improve robustness and efficiency, resulting in higher levels of mannose-6-phosphate and sialic acid in post-change (process B) compared with pre-change (process A) rhASA. A nonclinical comparability program was conducted to compare process A and process B rhASA. All doses were administered intrathecally. Pharmacodynamic ...

A Combined Computer-Aided Approach to Drive the Identification of Potential Epitopes in Protein Therapeutics.

The identification of fragment sequences, or motifs, within a therapeutic protein that may elicit an immune response when processed by T-cells can be provided by computer-aided approaches. Immunogenicity is a significant problem associated with protein therapeutics and should be investigated in the early stage of protein-based drug development to avoid treatment resistance and potentially life-threatening immune responses.

Hydrogen peroxide treatment promotes chlorophytes over toxic cyanobacteria in a hyper-eutrophic aquaculture pond.

Controlling blooms of toxigenic phytoplankton, including cyanobacteria, is a high priority for managers of aquatic systems that are used for drinking water, recreation, and aquaculture production. Although a variety of treatment approaches exist, hydrogen peroxide (HO) has the potential to be an effective and ecofriendly algaecide given that this compound may select against cyanobacteria while not producing harmful residues. To broadly evaluate the effectiveness of HO on toxigenic phytoplankton, we tested m...

Using the categorical data analyses in determination of dust related occupational diseases in mining.

Dust related occupational diseases are common in mining sector. It is important to identify employees who have high potential for having these diseases and to investigate the factors affecting disease formation. For this reason, dust and dust related occupational diseases should be carefully investigated in the mining operations. In this study, dust related occupational diseases in an open pit lignite mine were investigated. Firstly, dust measurements were performed and then, health check of all employees w...

Fibromuscular Dysplasia of Coronary and Brachial Artery.

Appointment of a new Deputy Executive Editor-in-Chief.

Heart Teams: A New Paradigm in Health Care.

Mrs. Robinson's Revenge: Pete Seeger, Earl Robinson, and the Medicare Protest Song.

In 1962, Pete Seeger recorded "The Ballad of Doctor Dearjohn" about Canadian Medicare and the Saskatchewan doctors' strike of the same year. How had this New Yorker, recently relieved of a jail sentence, learned of Medicare in the distant prairie province? And why was his song never released? This article traces the ballad's fortunes through the papers of composer Earl Robinson (University of Washington) and the archives of the American Medical Association. It is situated in the historiography of folk reviv...

Ionic stress induces fusion of mitochondria to 3-D networks: an electron tomography study.

Mitochondria are central organelles for energy supply of cells and play an important role in maintenance of ionic balance. Consequently mitochondria are highly sensitive to any kind of stress to which they mainly response by disturbance of respiration, ROS production and release of cytochrome c into the cytoplasm. Many of the physiological and molecular stress reactions of mitochondria are well known, yet there is a lack of information on corresponding stress induced structural changes. 3-D visualization of...

Design Space and QbD Approach for Production of Drug Nanocrystals by Wet Media Milling Techniques.

Drug nanocrystals are nanosized solid drug particles, the most important application of which is the improvement of solubility properties of poorly soluble drug materials. Drug nanocrystals can be produced by many different techniques, but the mostly used are different kinds of media milling techniques; in milling, particle size of bulk sized drug material is decreased, with the aid of milling beads, to nanometer scale. Utilization of Quality by Design, QbD, approach in nanomilling improves the process-unde...

Bio-priming mitigates detrimental effects of salinity on maize improving antioxidant defense and preserving photosynthetic efficiency.

Salinity is an abiotic stress which seriously affects crop production over the world, particularly in arid and semi-arid regions, with harmful effects on germination, growth and yield. Maize (Zea mays L.), cultivated in a wide spectrum of soil and climatic conditions, is the third most important cereal crop after rice and wheat, moderately sensitive to salt stress. A saline level more than 250 mM NaCl damages maize plants, causing severe wilting. In this study, the effects of hydro-priming (distilled wate...


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