filtration

..For the polymeric membrane, however, no significant improvement in flux was observed even with the D/Z unit because the fouling of the polymeric membrane was mainly due to the deposition of biomass rather than the struvite precipitation...

..The collected transmembrane pressures over filtration time were used to calculate the membrane fouling rates...

Flexible graphene films were prepared by the filtration of water-soluble noncovalently functionalized graphene sheets with pyrenebutyrate...

The dot immunogold filtration assay (DIGFA) is a rapid technique for the detection of anti-Schistosoma japonicum antibody...

..This rostrum serves as a resource for the allergist and other health care professionals seeking a better understanding of air filtration.

..Two highly contaminated water districts began granular activated carbon filtration in 2007.

..In the homes without the air cleaners, measured indoor concentrations were 58-100% of the concentrations measured outdoors...

..001). No significant predictors of ACE were identified. Our findings show that remaining indoors combined with use of air cleaner can effectively reduce PM(2.5) exposure during forest fires and residential wood burning...

....

..We also analyzed the effect of filtration of buffer and long-term freezing on microparticle quantification, as well as the role of Annexin V in the ..

..is associated with abnormalities in any one layer, suggesting that each contributes to the glomerular filtration barrier (GFB). Proteinuria can also be induced in the context of a normal glomerular capillary wall...

..Cigarettes with filters that release cellulose acetate or carbon particles during normal smoking conditions are defective...

..Although many studies have shown a subjective preference for yellow lenses, there has been little success in determining the clinical nature of this benefit...

....

..cholerae, the etiological agent of epidemic cholera, is commensal to zooplankton, notably copepods, a simple filtration procedure was developed whereby zooplankton, most phytoplankton, and particulates >20 microm were removed ..

..The effect of AcrySof filter (UV light-filtering chromophore; Alcon) and AcrySof Natural filter (UV- and blue light-filtering chromophores) on blue light-induced apoptosis in human retinal pigment epithelial (RPE) cells was evaluated...

..Maximum particle reductions, relative to no stand-alone air cleaners, of 90% are predicted when three stand-alone air cleaners are employed...

..However, current methods of treating water at home have certain shortcomings, and there is evidence of bias in the reported health impact of the intervention in open trial designs...

The aim of this study was to investigate the effects of double-filtration plasmapheresis (DFPP), immunoadsorption (IA) and intravenous immunoglobulin (IVIg) in the treatment of late-onset myasthenia gravis (MG)...

..In this study we compared subjective and objective parameters of visual function following implantation of blue light filter (yellow) IOLs and IOLs of the same design without filter...

..Following the recommendations will result in less pollution from the HVAC-system and increased indoor environmental quality...

A method for separation-preconcentration of Pb(II), Cr(III), Cu(II), Ni(II) and Cd(II) ions by membrane filtration has been described...

..These have been successfully adapted to existing high-efficiency blood filter matrices for the reduction of prions present in blood components for transfusion...

..Bedrooms offer the best opportunity for allergen avoidance. Most previous studies of air filtration only measured the effect on allergen particle counts, but few have addressed the clinical efficacy...

..To compare the visual function in patients with short wavelength blue light blocking yellow tinted intraocular lenses (IOLs) with that in patients with non-tinted IOLs...

..leakage of three root-canal sealers: AH Plus, Diaket, and EndoREZ was evaluated using a new computerized fluid filtration meter. Forty-five extracted human premolar teeth with single root and canal were used...

..was to investigate whether dehumidification in combination with high-efficiency particulate arrestance (HEPA) filtration is effective at reducing airborne mold spore levels in day care centers...

..CONCLUSION: This intraindividual comparison revealed no relevant differences concerning mesopic contrast sensitivity and the subjective visual perception after implantation of one IOL with or without a blue light filter...

..The method relies on simple vacuum filtration to capture viruses on a 0...

..compared microleakage of teeth obturated with gutta-percha and teeth obturated with Resilon by using a fluid filtration model. Forty-six human, single-rooted, mandibular premolars were studied...

..When filtration was performed with a unit of red blood cell concentrates, HA-deposited PBT-NW (PBT-HA) removed 98...

The objective of this study was to investigate the effect on radiation dose and image quality of the use of additional spectral filtration for dual-energy CT using dual-source CT (DSCT).

..We have developed an in process control filtration-assisted chemiluminometric immunoassay (FAL-ELISA), to detect and quantify NCP in vaccine-antigen batches ..

Double filtration plasmapheresis (DFPP) was used in preference to plasma exchange in our program of antibody-incompatible transplantation, to treat higher volumes of plasma...

....

....

..Finding a way to detoxify the predominant part of a given dose, circulating in the blood after accumulation is completed, will presumably reduce severe side effects during chemotherapy...

..at the scale of a municipal wastewater treatment plant (WWTP) upgraded with post-ozonation followed by sand filtration. During post-ozonation, compounds with activated aromatic moieties, amine functions, or double bonds such as ..

..The purpose of this present study was to evaluate a newly devised dual layered filtration system, which was developed to simultaneously concentrate both viruses and bacteria in one step from marine ..

..Further research is needed before any specific decontamination methods can be recommended...

..The aims of this study were to compare the ability of CF11 cellulose filters and the commercial filter Plasmodipur at removing leukocyte and platelet, and to investigate the retention of P. vivax IRBCs by CF11 cellulose filtration.

..Because units collected from donors with sickle trait do not filter optimally due to adherence of RBCs to the filters, the possibility that malaria-infected RBCs may also adhere to filters was investigated...

..To better understand the filtration performance of NIOSH- and CE-marked FFRs, initial penetration levels of N95, P100, FFP2 and FFP3 respirators ..

..To understand better the effects of prolonged storage, this investigation evaluated the filtration efficiency of 21 different models of National Institute for Occupational Safety and Health (NIOSH)-certified ..

..The method was tested in a case study with Campylobacter monitoring data of rapid sand filtration and ozonation processes...

This study investigated the filtration performance of NIOSH-approved N95 and P100 filtering facepiece respirators (FFR) against six different monodisperse silver aerosol particles in the range of 4-30 nm diameter...

..To develop a method to assess model-specific parameters for ultraviolet-C (UV-C, 254 nm) decontamination of filtering facepiece respirators (FFRs)...

A new 3-min rapid dot immunogold filtration assay (DIGFA) for serodiagnosis of human cystic and alveolar echinococcosis was developed using four native antigen preparations: crude and partially purified hydatid cyst fluid extracts from ..

..electrophoresis (DGGE) analyses revealed changing DNA band patterns, suggesting a population shift during bank filtration and processing at the waterworks...

..The simplicity of use and decreased incubation time with mEI medium will facilitate the detection and quantification of enterococci in fresh and marine recreational waters...

..In contrast to previous reports, there was a significant number of false presumptive positive and negative isolates on mCP. TSC is a more suitable medium for the routine monitoring of water supplies for the presence of Cl. perfringens...

..This process is called selective plasma filtration. AIMS: To determine if selective plasma filtration could be a useful treatment modality for fulminant hepatic ..

..Cell lysates containing labeled IPs were applied in 96-well plates fitted with filtration discs containing regenerated Dowex AGI-X8 resin...

..Vacuum driven filtration is an alternative method for separating sperm from digested epithelial cells that requires only pipetting steps ..

..Englewood, Colo) in the mechanical ventilator circuit on the incidence of ventilator-associated pneumonia (VAP) and the rate of endotracheal tube occlusion...

A new, inexpensive filtration device for the diagnosis of urinary schistosomiasis was tested against the commonly used Millipore device...

..The use of air cleaners for the management of allergic disease is reviewed in this article, and specific recommendations for their use are provided...

..The lipidfiltration system is based on plasmafiltration previously named membrane differential filtration (MDF), synonymous with double filtration plasmapheresis (DFPP)...

..tap water with either kaolin or Aldrich humic acid (AHA) added and coagulated with alum to form floc before filtration. The turbidity of the influent flocculated water was 6.4+/-1.5 NTU...

..the relative rate of highly credible gastrointestinal illness (HCGI) per year associated with active versus sham household water filtration devices among older adults in a community receiving tap water meeting current US standards.

..Samples that were positive for Legionella spp. contained 1-4 cfu/mL. We believe that an impregnated filter system is suitable for the prevention of nosocomial Legionellosis in high-risk patient care areas...

..The in vivo filtration capacity of a single surgical mask is known to be poor...

..Protozoa and Bdellovibrio were detected in the domestic wastewater in varying concentrations, suggesting that predation and lysis were the major removal mechanisms...

..Mechanisms of the myogenic response have not been completely established. We hypothesized that transvascular fluid filtration from plasma across smooth muscle cells (SMC) and into the surrounding interstitium helps regulate arteriolar ..

....

..microleakage between Resilon alone and gutta-percha with a glass ionomer intraorifice barrier using a fluid filtration model...

..We showed that antibody recovery was not significantly affected by the type of filter papers used but was significantly affected by the storage/extraction buffer used. The best such buffer is StabilZyme Select...

..Tap water probing revealed persistent colonization of all ICU water taps with a single P aeruginosa clonotype...

..We previously found a higher incidence of circulating tumour cells (CTCs) in women with metastatic breast cancer compared to early disease. In this study, we present follow-up data to explore the prognostic significance of these findings...

A new bioreactor including ceramic dual function membrane, filtration and aeration, was developed and used for wastewater treatment. The turbidity of effluent by the ceramic membrane was comparable to that of 4-24 hours by sedimentation...

..In the present work, the addition of a partially non-submerged biological granular activated carbon filtration to a microfiltration lab-scale reactor was investigated...

....

..The second aerobic reactor was used for biomass filtration and removal of organic matter...

..Some examples like re-construction into a SBR system are presented at the end...

..Following clarification, filtration, and RO treatment, the pollutant removals were > 99% for soluble BOD, > 99% for soluble nitrogen, and 98% for ..

..1, 15 and 20 g MLSS/L, respectively. Whereas the transmembrane pressure in YMBR has increased from 2 to 60 kPa only after 76 days of operation, with an average biomass concentration of 12 MLSS/L and an operating HRT range of 5-32 h...

..Filterability had a strong positive correlation with average floc size, but also polymeric constituents correlated positively with filterability at 25 degrees C...

..Possible dependencies of measured concentrations on the geographical location, the capacity, the influent composition, and the technical fitting of the STPs are discussed...

..These differences could not be accounted for by MLSS concentrations, loading rates, or filtration flux...

..A membrane with a smooth and neutral surface was fouled less. The pre-treatment was essential for avoiding NF and RO membranes fouling. The quality of the final permeate was acceptable for water reuse...

..These large plants started operation in the fall of 2002 and have demonstrated an effective means to reclaim high quality water from difficult source waters, such as municipal wastewaters...

..at a 10-hour hydraulic retention time and 20-day solids residence time, the MBR outperformed the SBR and sand filtration on BOD and suspended solids removal...

..The tubular ceramic membrane was operated with a mode of 15 minutes of filtration followed by 15 seconds of permeate backwashing at a flux of 250 l m(-2)hr(-1) along with an extended backwashing ..

..2 mg P(T)/L. In the MBR bench-scale plant P-uptake occurred mainly in the anoxic zone. Investigations with P-spiking showed higher Bio-P potential as P-removal increased up to 20-25 mg/L while P/TS rose up to >6%...

..Based on the experimental data, the proposed anoxic-biofilter aerobic recirculation system might be used as a new alternative technology for wastewater treatment in small communities in Korea...

..Water Management Limited detention cells receiving concentrated runoff that has been primarily treated by filtration with different inert aggregates. Randomly collected gully pot liquor was used in stead of road runoff...

..More than 85% of ammonia nitrogen was removed at pH values from 5.2 to 7.8 ranges. Grain-slag can strip CaCO(3) into the wastewater to buffer pH value and maintain optimal nitrification rates...

..The adequate BAF effluent return rates should be controlled with 1-4 mg/L nitrate nitrogen in the anoxic zone effluent of A2/O process to achieve the optimal nitrogen and phosphorus removal efficiencies...

The filtration characteristics of two different module configurations with coarse pore filter (non-woven fabric) were investigated for sludge floc separation in an activated sludge reactor for domestic wastewater reclamation...

..coli: 528 MPN/100 mL)...

..Finally, little difference in fouling rates was observed with the use of cyclic aeration mode as compared to continuous aeration mode...

..1 NTU), under all conditions tested...

..We show further that 158 strategically placed filters effectively meet the requirements simultaneously for all three pollutants, a result at least 5 times more effective than random placement of filters...

..The study showed that the model provides a powerful tool to reduce the experimental expenditure and time to find the optimum strategy...

..15 and 2.0 m3/m2 day and was maintained by routine backwashing every three days. Backwashing with tap water containing chlorine bleach every fourth or fifth backwashing was able to restore membrane flux to its original value...

..salt concentrations of raw wastewater combined to extremely high variations justified the implementation of sand filtration to protect MF/RO membranes...

..Both filters were found to be feasible for enhanced primary treatment at high filtration rates (20-30 m/h) especially when dosing low dosages (1-3 mg/l) of polymer...

..Desulfobulbus spp. was most common sulphate reducing bacteria in the anaerobic zone. In the oxic zone, Desulfobulbus spp. and Desulfococcus spp. were observed...

..Based on the observed results, the use of AnSBR and UAF in practice seems to be a potential technology for (pre)-treatment of wastewater produced by small communities...

..The influence of the separation technique (membrane filtration or settling) and operation at high sludge-retention time (SRT) were investigated...

..A, Inagami T, Hogan BLM, Ichikawa I: Angiotensin gene null mutant mice lack homeostatic regulation of glomerular filtration and tubular reabsorption. Kidney Int 53: 617-625, 1998...

..the phosphatase in hand, the effect of phosphorylation on the conformation of GGAs 1/3 will be studied by gel filtration, sucrose density gradients and protease sensitivity...

..redistributed peripherally and redistribution is enhanced during orthostasis producing increased microvascular filtration and dependent edema...

..to test whether vitamin D3 and/or omega-3 fatty acids prevent progression of albuminuria and loss of glomerular filtration rate, two complementary manifestations of DKD, over 4 years of treatment...

The glomerular basement membrane (GBM) is an essential part of the blood filtration barrier and the primary site of injury in aggressive forms of glomerulonephritis mediated by anti-GBM antibodies...

The glomerular basement membrane (GBM) is an essential part of the blood filtration barrier and the primary site of injury in aggressive forms of glomerulonephritis mediated by anti-GBM antibodies...

Glomerular visceral epithelial cells play a central role in maintaining the filtration barrier of the renal glomerulus...

..Our L-NAME, ACh, and glomerular filtration rate (GFR) data support this, but to better implicate NO and define the site(s) for its control of renal ..

Glomerular visceral epithelial cells play a central role in maintaining the filtration barrier of the renal glomerulus...

Glomerular visceral epithelial cells play a central role in maintaining the filtration barrier of the renal glomerulus...

..To improve the accuracy of glomerular filtration rate (GFR) prediction equations in Hispanics withCKD...

..gastroenteritis remains a major infrastructural and public health problem particularly, as effective treatment (filtration, chlorination, treatments plants) is often beyond financial means or environmental resources used for water ..

..a robust and quantitative low dose Gd-enhanced MR renography method for measuring single kidney glomerular filtration rate (GFR) and implemented a dual-injection method for ACE-inhibitor- enhanced MR renography to diagnose RVD...

..Finally, a series of chemical cross-linking studies and gel filtration electrophoresis experiments will be employed to investigate the state of oligomerization of LERK-2 following ..

..arterioles (Af-Art) and efferent arterioles account for most renal vascular resistance; they control glomerular filtration rate (GFR) and peritubular pressure, and consequently renal function...

..arterioles (Af-Art) and efferent arterioles account for most renal vascular resistance;they control glomerular filtration rate (GFR) and peritubular pressure, and consequently renal function...

This work will investigate the potential of a nanoporous silicon membrane (pnc-Si) to provide revolutionary filtration of macromolecules based on their size and charge...

..Glomerular Filtration Rate (GFR) is one of the best indexes of kidney function and it is determined by measuring the disappearance of ..

..Podocyte VEGF-A is required for the development and maintenance of the glomerular filtration barrier...

..Podocyte VEGF-A is required for the development and maintenance of the glomerular filtration barrier...

..kidney exhibits lower renal blood flow (RBF), higher renal vascular resistance (RVR), and lower glomerular filtration rate (GFR) compared to the adult...

..obstruction (UUO), there is marked activation of the intrarenal renin-angiotensin system, and heterogeneity in filtration among individual nephrons...

..We are interested in understanding the makeup of the glomerular filtration barrier and how it becomes damaged and leaky to plasma proteins...

..We are interested in understanding the makeup of the glomerular filtration barrier and how it becomes damaged and leaky to plasma proteins...

..We are interested in understanding the makeup of the glomerular filtration barrier and how it becomes damaged and leaky to plasma proteins...

..that function together in the concentrating mechanism, do not normally cease filtering, but may alter their filtration rates; and both arterial and portal venous blood supplies One strain of chickens has nephrogenic diabetes ..