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Zeitschriftenartikel zum Thema „Selective filtration“

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Veröffentlicht am 30. November 2024

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1

Malchesky, P. S., T. Horiuchi, M. Usami, M. Emura und Y. Nose. „Blood Detoxification by Membrane Plasma Filtration“. International Journal of Artificial Organs 9, Nr. 5 (September 1986): 349–54. http://dx.doi.org/10.1177/039139888600900518.

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The recognition of macromolecule abnormalities in various metabolic or immunologic related disease states has led to the use of plasma exchange for therapeutics. Limitations of plasma exchange, however, exist. Membrane plasma filtration provides a practical alternative. Solute removal can be made selective by the choice of operating conditions as temperature and the selection of the membrane/module design. The optimal temperature range is a function of the plasma type, solute concentrations and membrane system. Operation at below physiologic temperature (cryofiltration) is particularly suited for the removal of cold aggregative solutes, while operation at near or above physiologic temperature is more suited for the separation of solutes having large size differences at normal physiologic temperature. Membrane filtration is simple and safe to perform, is more selective than plasma exchange, does not require plasma product infusion and is more versatile than selective sorption in its applications.

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2

Lu, Wei-Ming, und Shang-Chung Ju. „Selective Particle Deposition in Crossflow Filtration“. Separation Science and Technology 24, Nr. 7-8 (Juni 1989): 517–40. http://dx.doi.org/10.1080/01496398908049789.

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3

Pepper, Duncan S. „Selective blood filtration for therapy and prophylaxis“. Trends in Biotechnology 3, Nr. 7 (Juli 1985): 161–62. http://dx.doi.org/10.1016/0167-7799(85)90114-3.

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4

Yaroshchuk, Andriy E., Yuriy P. Boiko und Alexandre L. Makovetskiy. „Filtration Potential across Membranes Containing Selective Layers“. Langmuir 18, Nr. 13 (Juni 2002): 5154–62. http://dx.doi.org/10.1021/la025503s.

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5

Dyatkin, Boris. „Atomic layer deposition yields highly selective filtration membranes“. MRS Bulletin 44, Nr. 1 (Januar 2019): 10. http://dx.doi.org/10.1557/mrs.2019.3.

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6

Lempereur, Valérie, Celine Louaisil und François Davaux. „Reducing pesticide level in wine by selective filtration“. BIO Web of Conferences 3 (2014): 02007. http://dx.doi.org/10.1051/bioconf/20140302007.

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7

Paul, Sumona, Sagar Roy und Somenath Mitra. „Carbon nanotube enhanced selective micro filtration of butanol“. Separation and Purification Technology 330 (Februar 2024): 125462. http://dx.doi.org/10.1016/j.seppur.2023.125462.

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8

Chon, Jung-Whan, Hong-Seok Kim, Dong-Hyeon Kim, Young-Ji KIM, Kidon Sung, Hyunsook Kim und Kun-Ho Seo. „Efficacy of Syringe Filtration for the Selective Isolation of Campylobacter from Chicken Carcass Rinse“. Journal of Food Protection 80, Nr. 6 (17.05.2017): 1050–53. http://dx.doi.org/10.4315/0362-028x.jfp-16-470.

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ABSTRACT We investigated the efficacy of syringe filtration for selective isolation of Campylobacter from chicken carcass rinse by combining syringe filtration with the conventional culture method. Whole chicken carcass rinses were incubated in Bolton enrichment broth, set aside or subjected to syringe filtration, and streaked on Campy-Cefex agar with or without cefoperazone antibiotic supplement. Compared with the conventional method without filtration, 0.65-μm-pore-size syringe filtration resulted in a significantly higher number of Campylobacter-positive samples (23.8 to 37.5% versus 70.0 to 72.5%; P < 0.05), a lower number of plates contaminated with non-Campylobacter (93.8% versus 6.3 to 26.3%), and a lower growth index (1 = growth of a few colonies; 2 = growth of colonies on about half of the plate; and 3 = growth on most of the plate) for competing microbiota (2.9 to 3.0 versus 1.2 to 1.4). When syringe filtration was applied, agar plates containing the antibiotic had significantly less contamination (6.3% versus 26.3%; P < 0.05) and a lower growth index (1.2 versus 1.4) compared with plates without the antibiotic, although the Campylobacter isolation rate was similar (P > 0.05). Syringe filtration combined with conventional enrichment improved the rate and selectivity of Campylobacter isolation from chicken carcasses.

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9

Takao, Junku, Reina Nagai, Tatsuro Endo, Hideaki Hisamoto und Kenji Sueyoshi. „Aptamer Selection Based on Microscale Electrophoretic Filtration Using a Hydrogel-Plugged Capillary Device“. Molecules 27, Nr. 18 (08.09.2022): 5818. http://dx.doi.org/10.3390/molecules27185818.

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This study reports a novel aptamer selection method based on microscale electrophoretic filtration. Aptamers are versatile materials that recognize specific targets and are attractive for their applications in biosensors, diagnosis, and therapy. However, their practical applications remain scarce due to issues with conventional selection methods, such as complicated operations, low-efficiency separation, and expensive apparatus. To overcome these drawbacks, a selection method based on microscale electrophoretic filtration using a capillary partially filled with hydrogel was developed. The electrophoretic filtration of model target proteins (immunoglobulin E (IgE)) using hydrogel, the electrokinetic injection of DNAs to interact with the trapped proteins, the elimination of DNAs with weak interactions, and the selective acquisition of aptamer candidates with strong interactions were successfully demonstrated, revealing the validity of the proposed concept. Two aptamer candidates for IgE were obtained after three selection cycles, and their affinity for the target was confirmed to be less than 1 nM based on their dissociation constant (KD) values. Therefore, the proposed method allows for the selection of aptamers with simple operations, highly effective separation based on electrophoresis and filtration, and a relatively cheap apparatus with disposable devices.

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10

Ugweje, Okechukwu C. „Selective noise filtration of image signals using wavelet transform“. Measurement 36, Nr. 3-4 (Oktober 2004): 279–87. http://dx.doi.org/10.1016/j.measurement.2004.09.009.

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11

Allis, Jonathan L., und George K. Radda. „Selective detection of intracellular 87Rb+ by double-quantum filtration“. Journal of Magnetic Resonance (1969) 84, Nr. 2 (September 1989): 372–75. http://dx.doi.org/10.1016/0022-2364(89)90382-x.

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12

DeJarnette, Drew, Todd Otanicar, Nick Brekke, Parameswar Hari und Kenneth Roberts. „Selective spectral filtration with nanoparticles for concentrating solar collectors“. Journal of Photonics for Energy 5, Nr. 1 (16.02.2015): 057008. http://dx.doi.org/10.1117/1.jpe.5.057008.

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13

Freundl, G., H. J. Grimm und N. Hofmann. „Selective filtration of abnormal spermatozoa by the cervical mucus*“. Human Reproduction 3, Nr. 3 (April 1988): 277–80. http://dx.doi.org/10.1093/oxfordjournals.humrep.a136695.

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14

Agishi, T. „Selective Removal of Pathogenetic Macromolecules Directly from Whole Blood by Double Filtration Technique“. International Journal of Artificial Organs 9, Nr. 5 (September 1986): 355–58. http://dx.doi.org/10.1177/039139888600900519.

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Double filtration plasmapheresis (DFPP) is a technique devised in an attempt to selectively remove pathogenetic macromolecules such as antibodies, immune complexes or viscosity-increasing substances directly from blood. In order to realize the differential filtration principle, two filters, one for separation of plasma and another for fractionation of plasma components, are installed in an extracorporeal circulation line. Selective separation of the plasma components is dependent on the filtration property of the two filters. Clinical experiences evidence the usefulness of this technique in regard to conservation of human blood products for supplementation.

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15

Zeiger, Claudia, Jana Kumberg, Felix Vüllers, Matthias Worgull, Hendrik Hölscher und Maryna N. Kavalenka. „Selective filtration of oil/water mixtures with bioinspired porous membranes“. RSC Advances 7, Nr. 52 (2017): 32806–11. http://dx.doi.org/10.1039/c7ra05385a.

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16

Yahel, G., DI Eerkes-Medrano und SP Leys. „Size independent selective filtration of ultraplankton by hexactinellid glass sponges“. Aquatic Microbial Ecology 45 (24.11.2006): 181–94. http://dx.doi.org/10.3354/ame045181.

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17

Tsukanov, A. A., E. V. Shilko, E. Gutmanas und S. G. Psakhie. „Selective Filtration of Fluids in Materials with Slit-Shaped Nanopores“. Physical Mesomechanics 21, Nr. 6 (November 2018): 538–45. http://dx.doi.org/10.1134/s1029959918060097.

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18

GABBAY, DOVM. „Selective filtration in modal logic Part A. Semantic tableaux method“. Theoria 36, Nr. 3 (11.02.2008): 323–30. http://dx.doi.org/10.1111/j.1755-2567.1970.tb00430.x.

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19

Yansun Xu, J. B. Weaver, D. M. Healy und Jian Lu. „Wavelet transform domain filters: a spatially selective noise filtration technique“. IEEE Transactions on Image Processing 3, Nr. 6 (1994): 747–58. http://dx.doi.org/10.1109/83.336245.

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20

Causserand, Christel, Yilmaz Kara und Pierre Aimar. „Protein fractionation using selective adsorption on clay surface before filtration“. Journal of Membrane Science 186, Nr. 2 (Mai 2001): 165–81. http://dx.doi.org/10.1016/s0376-7388(01)00332-5.

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21

Liang, Hai-Wei, Lei Wang, Pei-Yang Chen, Hong-Tao Lin, Li-Feng Chen, Dian He und Shu-Hong Yu. „Carbonaceous Nanofiber Membranes for Selective Filtration and Separation of Nanoparticles“. Advanced Materials 22, Nr. 42 (21.09.2010): 4691–95. http://dx.doi.org/10.1002/adma.201001863.

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22

Zhao, Kaifeng, Yaoping Liu, Hua Wang, Yanling Song, Xiaofeng Chen, Chen Huang, Qi Niu et al. „Selective, user-friendly, highly porous, efficient, and rapid (SUPER) filter for isolation and analysis of rare tumor cells“. Lab on a Chip 22, Nr. 2 (2022): 367–76. http://dx.doi.org/10.1039/d1lc00886b.

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A size-selective affinity filtration system, named selective, user-friendly, highly porous, efficient, and rapid filter (SUPER Filter), was developed for high-performance isolation and analysis of tumor cells from clinical body liquid samples.

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23

SAMMARCO, MICHELA LUCIA, GIANCARLO RIPABELLI, INCORONATA FANELLI, GUIDO MARIA GRASSO und MANUELA TAMBURRO. „Prevalence and Biomolecular Characterization of Campylobacter spp. Isolated from Retail Meat“. Journal of Food Protection 73, Nr. 4 (01.04.2010): 720–28. http://dx.doi.org/10.4315/0362-028x-73.4.720.

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We estimated the prevalence of Campylobacter spp. in retail meat (n = 352 samples; 104 chicken, 106 pork, and 142 beef) collected in Campobasso, Italy, comparing two microbiological methods. All the isolates were characterized by biomolecular techniques for epidemiological purposes. Campylobacter isolation was performed by selective culture and membrane filtration methods. Phenotypic and genotypic methods for genus and species identification were evaluated together with antimicrobial resistance and plasmid profiling. Sixty-nine (86.2%) samples were positive by selective culture, 49 (61.2%) by membrane filtration, and 38 (47.5%) by both methods. Only 74 of 80 strains were confirmed as Campylobacter spp. by PCR, and two Campylobacter coli were identified as Campylobacter jejuni . Chicken meat was more frequently contaminated than other meats. Selective culture was more sensitive than membrane filtration (85 versus 66%), and specificity of the methods was 98 and 100%, respectively. Among Campylobacter isolates from chicken meat, 86.5% were multidrug resistant. Resistance to ciprofloxacin (51.3%) and enrofloxacin (52.7%) was lower than to nalidixic acid (71.6%). C. coli strains showed the highest cross-resistance for quinolones (82.6%) and fluoroquinolones (60.9%) as well as a high resistance to tetracycline. Plasmids were isolated from six C. coli and two C. jejuni isolates, but no association was detected between antimicrobial resistance and plasmid DNA carriage. Selective culture is considered as the optimal method for Campylobacter isolation, although it was unable to detect all contaminated samples. Membrane filtration provided more specific results but with low sensitivity. A combination of both techniques may offer better results.

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24

Dutta, Kingshuk, und Sirshendu De. „Aromatic conjugated polymers for removal of heavy metal ions from wastewater: a short review“. Environmental Science: Water Research & Technology 3, Nr. 5 (2017): 793–805. http://dx.doi.org/10.1039/c7ew00154a.

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25

Sadighian, James C., Michael L. Crawford, Timothy W. Suder und Cathy Y. Wong. „Surface ligation stage revealed through polarity-dependent fluorescence during perovskite nanocrystal growth“. Journal of Materials Chemistry C 8, Nr. 21 (2020): 7041–50. http://dx.doi.org/10.1039/c9tc06545h.

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26

Chon, Jung-Whan, Dong-Hyeon Kim, Dongryeoul Bae, Kwang-Young Song, Hyunsook Kim, Kidon Sung und Kun-Ho Seo. „Comparison of Direct Syringe Filtration and Membrane Filtration for the Selective Isolation ofCampylobacter jejunifrom Ready-to-Eat Sprouts“. Foodborne Pathogens and Disease 16, Nr. 6 (Juni 2019): 371–75. http://dx.doi.org/10.1089/fpd.2018.2546.

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27

Tojo, Akihiro, und Satoshi Kinugasa. „Mechanisms of Glomerular Albumin Filtration and Tubular Reabsorption“. International Journal of Nephrology 2012 (2012): 1–9. http://dx.doi.org/10.1155/2012/481520.

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Albumin is filtered through the glomerulus with a sieving coefficient of 0.00062, which results in approximately 3.3 g of albumin filtered daily in human kidneys. The proximal convoluted tubule reabsorbs 71%, the loop of Henle and distal tubule 23%, and collecting duct 3% of the glomerular filtered albumin, thus indicating that the kidney plays an important role in protein metabolism. Dysfunction of albumin reabsorption in the proximal tubules, due to reduced megalin expression, may explain the microalbuminuria in early-stage diabetes. Meanwhile, massive nonselective proteinuria is ascribed to various disorders of the glomerular filtration barrier, including podocyte detachment, glomerular basement membrane rupture, and slit diaphragm dysfunction in focal segmental glomerulosclerosis, membranous nephropathy, and other glomerulonephritis. Selective albuminuria associated with foot process effacement and tight junction-like slit alteration is observed in the patients with minimal-change nephrotic syndrome, and the albumin uptake is enhanced in the podocyte cell body, possibly mediated by albumin receptors in the low-dose puromycin model. The role of enhanced podocyte albumin transport needs to be investigated to elucidate the mechanism of the selective albuminuria in minimal-change disease.

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28

Thanyasrisung, Panida, Aemvika Vittayaprasit, Oranart Matangkasombut, Motoyuki Sugai, Piyaporn Na Nongkai, Suttawan Saipia und Voravee P. Hoven. „Separation and detection of mutans streptococci by using magnetic nanoparticles stabilized with a cell wall binding domain-conjugated polymer“. Analytical Methods 10, Nr. 27 (2018): 3332–39. http://dx.doi.org/10.1039/c8ay00114f.

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29

Scott, Rizaldy P., und Susan E. Quaggin. „The cell biology of renal filtration“. Journal of Cell Biology 209, Nr. 2 (27.04.2015): 199–210. http://dx.doi.org/10.1083/jcb.201410017.

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The function of the kidney, filtering blood and concentrating metabolic waste into urine, takes place in an intricate and functionally elegant structure called the renal glomerulus. Normal glomerular function retains circulating cells and valuable macromolecular components of plasma in blood, resulting in urine with just trace amounts of proteins. Endothelial cells of glomerular capillaries, the podocytes wrapped around them, and the fused extracellular matrix these cells form altogether comprise the glomerular filtration barrier, a dynamic and highly selective filter that sieves on the basis of molecular size and electrical charge. Current understanding of the structural organization and the cellular and molecular basis of renal filtration draws from studies of human glomerular diseases and animal models of glomerular dysfunction.

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30

Atas, Mehmet Sahin, Sami Dursun, Hasan Akyildiz, Murat Citir, Cafer T. Yavuz und Mustafa Selman Yavuz. „Selective removal of cationic micro-pollutants using disulfide-linked network structures“. RSC Advances 7, Nr. 42 (2017): 25969–77. http://dx.doi.org/10.1039/c7ra04775d.

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Micropollutants are found in all water sources, even after thorough treatments that include membrane filtration. We have developed swellable di-sulfide covalent organic polymers (COPs) with great affinity towards cationic textile micropollutants.

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31

Lösch, Philipp, und Sergiy Antonyuk. „Selective particle deposition at cross-flow filtration with constant filtrate flux“. Powder Technology 388 (August 2021): 305–17. http://dx.doi.org/10.1016/j.powtec.2021.04.043.

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32

Soo, Jhy-Charm, Keenan Monaghan, Taekhee Lee, Mike Kashon und Martin Harper. „Air sampling filtration media: Collection efficiency for respirable size-selective sampling“. Aerosol Science and Technology 50, Nr. 1 (14.12.2015): 76–87. http://dx.doi.org/10.1080/02786826.2015.1128525.

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33

Christy, Charles, George Adams, Ralf Kuriyel, Glen Bolton und Alina Seilly. „High-performance tangential flow filtration: a highly selective membrane separation process“. Desalination 144, Nr. 1-3 (September 2002): 133–36. http://dx.doi.org/10.1016/s0011-9164(02)00301-6.

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34

Hwang, Kuo-Jen, und Hsieng-Chia Chen. „Selective deposition of fine particles in constant-flux submerged membrane filtration“. Chemical Engineering Journal 157, Nr. 2-3 (01.03.2010): 323–30. http://dx.doi.org/10.1016/j.cej.2009.11.008.

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35

Park, Yong, Sueon Kim, In Hyuk Jang, Young Suk Nam, Hiki Hong, Dukhyun Choi und Won Gu Lee. „Role of the electric field in selective ion filtration in nanostructures“. Analyst 141, Nr. 4 (2016): 1294–300. http://dx.doi.org/10.1039/c5an01980j.

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36

Lim, Chaehyun, Dong-Hun Min und Seung-Beck Lee. „Direct patterning of carbon nanotube network devices by selective vacuum filtration“. Applied Physics Letters 91, Nr. 24 (10.12.2007): 243117. http://dx.doi.org/10.1063/1.2824575.

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37

Çorman, Mehmet Emin, Canan Armutcu, Serpil Özkara, Lokman Uzun und Adil Denizli. „Molecularly imprinted cryogel cartridges for the specific filtration and rapid separation of interferon alpha“. RSC Advances 5, Nr. 56 (2015): 45015–26. http://dx.doi.org/10.1039/c5ra07307c.

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38

Chen, Piaopiao, Ke Huang, Rui Dai, Erica Sawyer, Ke Sun, Binwu Ying, Xiawei Wei und Jia Geng. „Sensitive CVG-AFS/ICP-MS label-free nucleic acid and protein assays based on a selective cation exchange reaction and simple filtration separation“. Analyst 144, Nr. 8 (2019): 2797–802. http://dx.doi.org/10.1039/c8an01926f.

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39

Bokov, Dmitry Olegovich, Mustafa Z. Mahmoud, Gunawan Widjaja, Wanich Suksatan, Supat Chupradit, Usama S. Altimari, Hussein Ali Hussein, Yasser Fakri Mustafa und Milad kazemnejadi. „Transfer hydrogenation of nitroarenes using cellulose filter paper-supported Pd/C by filtration as well as sealed methods“. RSC Advances 12, Nr. 18 (2022): 10933–49. http://dx.doi.org/10.1039/d2ra01151d.

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40

Rhein, Frank, Ouwen Zhai, Eric Schmid und Hermann Nirschl. „Multidimensional Separation by Magnetic Seeded Filtration: Experimental Studies“. Powders 2, Nr. 3 (01.08.2023): 588–606. http://dx.doi.org/10.3390/powders2030037.

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The current state of separation technology often neglects the multidimensional nature of real particle systems, which are distributed not only in terms of size, but also in terms of other properties, such as surface charge. Therefore, the aim of this study is to experimentally investigate the applicability of magnetic seeded filtration as a multidimensional separation process. Magnetic seed particles are added to a multisubstance suspension, and a selective heteroagglomeration with the nonmagnetic target particles is induced, allowing for an easy subsequent magnetic separation. The results show that high separation efficiencies can be achieved and that the parameters pH and ionic strength govern the agglomeration process. Selective separation based on surface charge was observed, but undesirable heteroagglomeration processes between the target particles lead to a loss of selectivity. Particle size was clearly identified as a second relevant separation feature, and its partially opposite influence on collision frequency and collision efficiency was discussed. Finally, experimental data of multidimensional separation are presented, in which a size-distributed two-substance suspension is separated into defined size and material fractions in a single process step. This study highlights the need for multidimensional evaluation in general and the potential of magnetic seeded filtration as a promising separation technique.

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41

Hernández, A. E., L. C. Belalcazar, M. S. Rodríguez und E. Giraldo. „Retention of granular sludge at high hydraulic loading rates in an anaerobic membrane bioreactor with immersed filtration“. Water Science and Technology 45, Nr. 10 (01.05.2002): 169–74. http://dx.doi.org/10.2166/wst.2002.0321.

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This study shows the results of an Anaerobic Membrane Bioreactor with immersed filtration cartridges for granular biomass retention working at high hydraulic loading rates. Biomass retention capabilities, granular biomass structure and activity, filtration cartridges flux and organic material degradation performance were evaluated. Four reactors with a volume of 0.005 m3 were tested. Two different filtration cartridges were used (10 and 100 μm) with effective surface area of 0.05 m2. The filtration cartridges were submerged in the reactors for suction type filtration. Three organic loading rates were tested in the first two reactors and seven in the other two. Selective biomass washout and an increment in the biomass methanogenic activity was observed in the reactors at hydraulic loading rates between 1.2 and 4.5 m/h. Analyses of biomass granulometry showed an increase of larger size granular biomass. The immersed membrane anaerobic bioreactor maintain most of the advantages without biomass activity loss.

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42

Shangkum, Goji, Patchanee Chammingkwan, Dai Trinh und Toshiaki Taniike. „Design of a Semi-Continuous Selective Layer Based on Deposition of UiO-66 Nanoparticles for Nanofiltration“. Membranes 8, Nr. 4 (12.12.2018): 129. http://dx.doi.org/10.3390/membranes8040129.

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Deposition of UiO-66 metal–organic framework nanoparticles onto a porous polymer support is a promising approach to designing highly-permeable, size-selective, flexible, and stable membranes for water filtration. In this article, a series of UiO-66 nanoparticles having different particle sizes were synthesized and employed to prepare UiO-66-deposited composite membranes. It was found that the size of the UiO-66 nanoparticles had great influences on the performance of the composite membranes for the filtration of a methylene blue aqueous solution. The deposition of smaller nanoparticles afforded a selective layer having a greater external surface area and narrower interparticle voids. These features made the deposition of smaller nanoparticles more advantageous in terms of the flux and rejection, while the deposition of greater nanoparticles afforded a selective layer more tolerant for fouling. Bimodal composite membranes were prepared by depositing mixed UiO-66 nanoparticles of smaller and bigger sizes. These membranes successfully combined the advantages of nanoparticles of a distinct size.

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43

Rahmawati, Febtarini. „Aspek Laboratorium Gagal Ginjal Kronik“. Jurnal Ilmiah Kedokteran Wijaya Kusuma 6, Nr. 1 (02.03.2018): 14. http://dx.doi.org/10.30742/jikw.v6i1.323.

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Chronic renal disease is a disorder of renal function or structure that lasts for more than three months, accompanied by a decrease in glomerular filtration rate. Decreasing of renal function monitoring is performed by measuring glomerular filtration rate, determining blood urea, creatinine, creatinine clearance, electrolytes, uric acid, blood gas analysis and tubular function. The Recent method for measuring glomerular filtration rate using inulin clearance, however, is not efficient. Further measurements of creatinine glomerular filtration rate were developed. Measurements of urea, creatinine and uric acid are currently using enzymatic methods of spectrophotometry, while electrolyte examination by selective ion electrode method. Blood gas analysis determined pH, PCO2, PO2, HCO3-, CO2 total, base excess and SO2. Examination of urine protein and urine sediments helps establish a diagnosis of chronic kidney disease

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44

Hinkley, Troy C., Spencer Garing, Paras Jain, John Williford, Anne-Laure M. Le Ny, Kevin P. Nichols, Joseph E. Peters, Joey N. Talbert und Sam R. Nugen. „A Syringe-Based Biosensor to Rapidly Detect Low Levels of Escherichia Coli (ECOR13) in Drinking Water Using Engineered Bacteriophages“. Sensors 20, Nr. 7 (31.03.2020): 1953. http://dx.doi.org/10.3390/s20071953.

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A sanitized drinking water supply is an unconditional requirement for public health and the overall prosperity of humanity. Potential microbial and chemical contaminants of drinking water have been identified by a joint effort between the World Health Organization (WHO) and the United Nations Children’s Fund (UNICEF), who together establish guidelines that define, in part, that the presence of Escherichia coli (E. coli) in drinking water is an indication of inadequate sanitation and a significant health risk. As E. coli is a nearly ubiquitous resident of mammalian gastrointestinal tracts, no detectable counts in 100 mL of drinking water is the standard used worldwide as an indicator of sanitation. The currently accepted EPA method relies on filtration, followed by growth on selective media, and requires 24–48 h from sample to results. In response, we developed a rapid bacteriophage-based detection assay with detection limit capabilities comparable to traditional methods in less than a quarter of the time. We coupled membrane filtration with selective enrichment using genetically engineered bacteriophages to identify less than 20 colony forming units (CFU) E. coli in 100 mL drinking water within 5 h. The combination of membrane filtration with phage infection produced a novel assay that demonstrated a rapid, selective, and sensitive detection of an indicator organism in large volumes of drinking water as recommended by the leading world regulatory authorities.

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Rather, Adil Majeed, Nirban Jana, Prateeti Hazarika und Uttam Manna. „Sustainable polymeric material for the facile and repetitive removal of oil-spills through the complementary use of both selective-absorption and active-filtration processes“. Journal of Materials Chemistry A 5, Nr. 44 (2017): 23339–48. http://dx.doi.org/10.1039/c7ta07982f.

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Superhydrophobic cotton (SHC) with exemplary physical and chemical durability is capable of removing repeatedly diverse types of oil contaminants, through both the selective absorption and gravity-driven active-filtration processes.

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GREER, G. GORDON, und BRYAN D. DILTS. „Enumeration of Meatborne Spoilage Bacteria with Hydrophobic Grid Membrane Filtration†“. Journal of Food Protection 60, Nr. 11 (01.11.1997): 1388–90. http://dx.doi.org/10.4315/0362-028x-60.11.1388.

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Hydrophobic grid membrane filtration (HGMF) was investigated as an alternative to conventional plate counts for enumerating spoilage bacteria recovered from raw beef. The HGMF method was compared to conventional procedures for the selective enumeration of total psychrotrophic bacteria, pseudomonads, total Enterobacteriaceae. Brochothrix thermosphacta, and lactic acid bacteria. Bacteria were recovered both from beef which had been artificially inoculated with identified strains and from naturally contaminated beef from a commercial abattoir. There were no significant differences (P > 0.05) in numbers of any bacterial group recovered from naturally contaminated beef using HGMF procedures when compared to conventional plating on selective media. The recoveries of the total psychrotrophic population, Escherichia coli. B. thermosphacta, and Lactobacillus sake inoculated onto meat were unaffected by the enumeration procedure (P > 0.05). However, the populations of Pseudomonas sp. recovered from inoculated beef by a HGMF procedure were 0.8 log cycles lower (P < 0.05) when compared to the conventional spread plate procedure.

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Kozhevnikov, I. A., und K. V. Dmitriev. „Assessment of preferential filtration of selective compositions using double-layer core models“. Oilfield Engineering, Nr. 9 (2018): 29–32. http://dx.doi.org/10.30713/0207-2351-2018-9-29-32.

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48

Bargeman, Gerrald, Monique Dohmen-Speelmans, Isidra Recio, Martin Timmer und Caroline van der Horst. „Selective isolation of cationic amino acids and peptides by electro-membrane filtration“. Le Lait 80, Nr. 1 (Januar 2000): 175–85. http://dx.doi.org/10.1051/lait:2000117.

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Zeng, Cheng-Hui, Zhixun Luo und Jiannian Yao. „Porous hydrogen-bonded organic–inorganic frameworks: weak interactions and selective dye filtration“. CrystEngComm 19, Nr. 4 (2017): 613–17. http://dx.doi.org/10.1039/c6ce02367c.

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50

Fletcher, R. D., und H. U. Bertschinger. „A Method of Isolation ofVibrio colifrom Swine Fecal Material by Selective Filtration“. Zentralblatt für Veterinärmedizin Reihe B 11, Nr. 6 (13.05.2010): 469–74. http://dx.doi.org/10.1111/j.1439-0450.1964.tb01075.x.

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