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36 Newest Publications about the topic membrane filters

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A Flow‐through Column Electrolytic Cell for Supercritical Fluid Chromatography#

17-Aug-2017 | Kazuhiro Yamamoto, Tatsuya Ueki, Naoyuki Higuchi, Kouji Takahashi, Akira Kotani, Hideki Hakamata, Journal of Separation Science, 2017

A novel flow‐through column electrolytic cell was proposed as a detector to obtain current signals for supercritical fluid chromatography. The electrochemical cell consisted of two electrodes and its holder, and a working and a counter electrode were fabricated from 192 carbon strings, which ...

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Heads you win, tails you lose: filtration processing for the microscopical examination of sperm heads

24-Nov-2016 | I. A. BREWIS, M. A. WATKINSON, C. J. VON RUHLAND, Journal of Microscopy, 2016

Summary The sperm head plays a key role in many fertilisation events and determining the precise location of molecules within the head region is important in mechanistically dissecting the fertilisation process. Such molecules may be present in low copy number and many sperm head profiles must ...

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Does adsorption of dissolved organic carbon and thorium onto membrane filters affect the carbon to thorium ratios, a primary parameter in estimating export carbon flux?

16-Oct-2016 | Author(s): Kuanbo Zhou, Kanchan Maiti, Minhan Dai, Shuh-Ji Kao, Ken Buesseler, Marine Chemistry, 2016

Publication date: 20 August 2016 Source:Marine Chemistry, Volume 184 Author(s): Kuanbo Zhou, Kanchan Maiti, Minhan Dai, Shuh-Ji Kao, Ken Buesseler The particulate organic carbon (POC) to 234Th ratio, or POC/234Th, is crucial to constrain the 234Th-derived downward export flux. ...

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Amorphous carbon encapsulation of metal aerosol nanoparticles for improved collection and prevention of oxidation

16-Aug-2013 | William J. Scharmach, Munish K. Sharma, Raymond D. Buchner, Vasilis Papavassiliou, Gaurav N. Vajani, Mark T. Swihart, AIChE Journal, 2013

ABSTRACT We present a technique to encapsulate silver nanoparticles in an amorphous carbon matrix to facilitate nanoparticle collection and limit nanoparticle oxidation. A carbon source added to the metal salt precursor solution decomposes to generate amorphous carbon, which forms large ...

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Water-Soluble Fluorinated and PEGylated Cyanostilbene Derivative: An Amphiphilic Building Block Forming Self-Assembled Organic Nanorods with Enhanced Fluorescence Emission

14-Aug-2013 | Seunghoon Shin; Se Hoon Gihm; Chong Rae Park; Sehoon Kim; Soo Young Park, Chemistry of Materials, 2013

We report synthesis and optical/structural characterization of new fluorescent rod–coil amphiphiles based on the PEGylated α-cyanostilbene skeleton (12EO-CNMBE and 12EO-CNTFMBE) and their self-assembly behaviors in water. Distinct from the common amphiphilic behavior of nonfluorinated 12EO-CNMBE ...

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IJMS, Vol. 14, Pages 13808-13825: Inland Treatment of the Brine Generated from Reverse Osmosis Advanced Membrane Wastewater Treatment Plant Using Epuvalisation System

03-Jul-2013 | Qurie, Mohannad ; Abbadi, Jehad ; Scrano, Laura ; Mecca, Gennaro ; Bufo, Sabino A.; Khamis, Mustafa ; Karaman, Rafik, International Journal of Molecular Sciences, 2013

The reverse osmosis (RO) brine generated from the Al-Quds University wastewater treatment plant was treated using an epuvalisation system. The advanced integrated wastewater treatment plant included an activated sludge unit, two consecutive ultrafiltration (UF) membrane filters (20 kD and 100 kD ...

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Effect of pH and Stream Order on Iron and Arsenic Speciation in Boreal Catchments

13-Jun-2013 | Elisabeth Neubauer; Stephan J. Köhler; Frank von der Kammer; Hjalmar Laudon; Thilo Hofmann, Environmental Science & Technology, 2013

Riverine transport of iron (Fe) and arsenic (As) is affected by their associations with natural organic matter (NOM) and suspended iron (oxy)hydroxides. Speciation has a strong influence on element transport from the headwaters to the ocean because NOM may be transported over longer distances ...

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Preparation of sulfur reference materials that reproduce atmospheric particulate matter sample characteristics for XRF calibration

10-May-2013 | H. Indresand, W. H. White, K. Trzepla, A. M. Dillner, X-Ray Spectrometry, 2013

Energy‐dispersive X‐ray fluorescence (XRF) is an important tool used in routine elemental analysis of atmospheric particulate matter (PM) samples collected on polytetrafluoroethylene (PTFE) membrane filters. The method requires calibration against thin‐film standards of known elemental masses ...

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Study of incorporation of silver nanoparticles onto PE-g-PAAc nonwoven fabric by γ-irradiation for water treatment

08-Apr-2013 | Radiation Physics and Chemistry, 2013

Available online 2 April 2013 Publication year: 2013Source:Radiation Physics and Chemistry Polyethylene nonwoven (PE) fabric grafted with acrylic acid (PE-g-PAAc) was carried out by γray pre-irradiation process. The effect of dose and acrylic acid concentration on the grafting degree ...

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Mass‐biased partitioning to enhance middle down proteomics analysis

11-Mar-2013 | Joe R. Cannon, Nathan J. Edwards, Catherine Fenselau, Journal of Mass Spectrometry, 2013

A strategy is presented for enhancing the middle‐down analysis of higher mass peptides recovered from complex protein mixtures. Following a 30‐min digestion of multiple myeloma cell lysate by an acid cleavage reaction that is selective for aspartic acid, a 3000 Da membrane filter is used to ...

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