Polysomnographic recordings were performed EEG was analyzed by m

Polysomnographic recordings were performed. EEG was analyzed by means of Fast Fourier Transform. Four power spectra bands ( 04Hz, 48Hz, 814Hz, 1432Hz) were computed. Sleep macrostructure parameters and alpha/delta EEG

power ratio during Compound C inhibitor non rapid eye movement (NREM) sleep were compared between patients with and without pain. Results Forty-two patients in our sample reported chronic pain. VAS mean score was 55.2 +/- 23.8 (range 10100), pain rating index score was 13.8 +/- 10.2, and present pain intensity was 2.5 +/- 0.8. The statistical analysis documented an increased occurrence of the alpha and beta rhythms during NREM sleep in FSHD patients with pain. Significant correlations were observed between the alpha/delta power ratio during NREM sleep and pain measures. Conclusions Chronic musculoskeletal pain is frequent in FSHD patients, and it represents a major mechanism of sleep disruption.”
“AIM: To evaluate the potential application of microbubble agents in the immediate post-transplant period, by studying contrast uptake and washout, and to correlate these values with clinical indices, and thus, assess the potential prognostic value of this technique.\n\nMATERIALS AND METHODS: The study group comprised 20 consecutive renal www.selleckchem.com/products/pci-32765.html transplant patients within 7 days of transplantation. Sonovue was administered

as an intravenous bolus with continuous imaging of the transplant kidney at tow mechanical index (MI) for 1 min post-injection. These data were analysed off-line by two observers, and time intensity curves (TIC)

for the upper, mid, and lower poles constructed. Within each pole, a region of interest (5 mm square) was placed over the cortex, medullary pyramid, and interlobar artery, resulting in a total of nine TIC for each patient. DMH1 concentration TIC parameters included the arrival time (AT), time to peak (TTP), peak intensity (Max), gradient of the slope (M), and the area under curve (AUC).\n\nRESULTS: For both observers there was good agreement for all values measured from the cortex and medulla, but poor interobserver correlation for the vascular values. In addition, there was only agreement for these values in the upper and mid-pole of the transplant with poor agreement for the tower pole values. The mid-pole of the transplant kidney was chosen as the point of measurement for subsequent studies. Mid-pole values were correlated with clinical data and outcome over the 3-month post-transplant period. Renal microbubble perfusion correlated with the transplant estimated glomerular filtration rate (eGFR) at 3 months post-transplantation (p = 0.016).\n\nDISCUSSION: In conclusion, this is the first study to confirm reproducibility of the Sonovue TIC data in transplant patients and to quantify regional variation and perfusion.

This study

This study JAK inhibitor retrospectively investigated the radiographic findings in idiopathic AAS patients, and clarified the differences between those AAS patients and those due to RA.\n\nFifty-three patients with AAS treated by transarticular screw fixation were reviewed. The subjects included 8 idiopathic patients (ID group) and 45 RA patients (RA group). The study investigated the atlanto-dental interval (ADI) value and space available for spinal cord (SAC) at the neutral and maximal flexion position.\n\nThe average ADI value at the neutral

position in the ID and RA groups before surgery was 7.8 and 7.2 mm, respectively (p > 0.74). The average ADI value at the flexion position in the two groups was 10.3 and 11.7 mm, respectively (p > 0.06). The average SAC value at the neutral position in the two groups was 12.0 and 17.1 mm, respectively (p < 0.01). Finally, the average SAC value at the flexion position in the two

groups was 10.7 and 13.5 mm, respectively (p < 0.01).\n\nThe SAC value at both the neutral and flexion positions in idiopathic AAS patients was significantly smaller than those values in RA-AAS patients. This may be because the narrowing GSK1120212 research buy of the SAC in the idiopathic group easily induces cervical myelopathy. Furthermore, surgery was often recommended to RA patients, because of the neck pain induced by RA-related inflammation of the atlanto-axial joint, regardless of any underlying myelopathy.”
“The objective of this study was to assess the in vivo performance of our 2-D locally click here regularized strain estimation

method with 35 breast lesions, mainly cysts, fibroadenomas and carcinomas. The specific 2-D deformation model used, as well as the method’s adaptability, led to an algorithm that is able to track tissue motion from radiofrequency ultrasound images acquired in clinical conditions. Particular attention was paid to strain estimation reliability, implying analysis of the mean normalized correlation coefficient maps. For all lesions examined, the results indicated that strain image interpretation, as well as its comparison with B-mode data, should take into account the information provided by the mean normalized correlation coefficient map. Different trends were observed in the tissue response to compression. In particular, carcinomas appeared larger in strain images than in B-mode images, resulting in a mean strain/B-mode lesion area ratio of 2.59 +/- 1.36. In comparison, the same ratio was assessed as 1.04 +/- 0.26 for fibroadenomas. These results are in agreement with those of previous studies, and confirm the interest of a more thorough consideration of size difference as one parameter discriminating between malignant and benign lesions. (E-mail: [email protected]) (C) 2014 World Federation for Ultrasound in Medicine & Biology.

2% at a growth temperature of 1300 degrees C before carbon cluste

2% at a growth temperature of 1300 degrees C before carbon clusters form. Based on the predicted phase diagram of cubic (BN)(1-x)(C-2)(x) and the excellent matches in the structural and thermal properties of hBN and graphite, it is expected that homogenous h(BN)(1-x)(C-2)(x) alloys with higher x can be achieved and the alloy miscibility gap can be reduced or completely removed by increasing the growth temperature. This is a huge advantage over the InGaN alloy system in which InN decomposes at high temperatures and high growth temperature cannot be utilized to close the miscibility gap. The results indicate that the h(BN)(1-x)(C-2)(x) alloy system has the potential to tackle the challenging

issues facing the emerging two-dimension materials beyond

graphene, which include realizing the bandgap engineering, conductivity control, and large wafers selleck chemicals of homogeneous films. (C) 2014 AIP Publishing LLC.”
“Background: The introduction of pneumococcal and meningococcal group C conjugate vaccinations as supplementary (a new category in Swiss immunization recommendations) to universally recommended Epigenetics inhibitor vaccinations in 2006 prompted this study to investigate their acceptance.\n\nMethods: The study was performed in 24-month-old healthy children born in the Geneva or Basel areas in Switzerland between January and April 2007. After informed consent had been obtained from caregivers (for this particular study in Basel and in general for providing immunization data in Geneva on an ongoing basis), CP-456773 order all universally recommended and supplementary vaccinations administered by <= 24 months of age were analyzed for completeness and timeliness according to set definitions. Sample size calculations and standard statistical tests were applied for comparative

data analyses.\n\nResults: Of 592 children at the age of 12 months, 94% and 73% had received complete diphtheria-tetanus-pertussis component combination and pneumococcal conjugate vaccinations, respectively. At the age of 24 months, coverage rates for complete booster doses were 77% and 70%, respectively. Rates for MMR doses 1 and 2 at 24 months were 92% and 72%, respectively, and the rate for meningococcal conjugate vaccine (single dose) was 62%. On an average, coverage rates were similar in the 2 study regions except those for pneumococcal conjugate and second dose of MMR, which were approximately 10% higher in Geneva.\n\nConclusions: Compliance with supplementary vaccinations was lower than that with universally recommended vaccinations. This can be explained by the recent introduction of supplementary vaccinations or by the public perception that they are less important than universal vaccinations.”
“Study Design. Retrospective analysis of prospectively collected data.\n\nObjective. To compare the relative rates of pulmonary recovery and maximal pulmonary function with surgical approach.\n\nSummary of Background Data.

The diagnosis of IgG4-related disease should be based on a combin

The diagnosis of IgG4-related disease should be based on a combination

of typical histological, clinical and serological findings.”
“The VI-co-TFEMA-co-DVB (VTD) copolymer was synthesized by the solution polymerization of vinylimidazole (VI), trifluoroethylmethacrylate (TFEMA) and divinylbenzene (DVB). The VTD copolymer solution was quaternized with bromoethane (QVTD), and QVTD anion exchange membranes were prepared by the casting method. The chemical structure of the synthesized solution and the thermal stability of the prepared membrane were confirmed by FT-IR, H-1 NMR spectroscopy and TGA analysis. The following membrane properties were measured: bursting strength, thermal characteristics, chemical resistance, water content, ion exchange capacity, Emricasan nmr electrical resistance and ionic conductivity. The maximum values of bursting strength, ion exchange capacity and ionic conductivity were 4.53 kgf/cm(2), 1.92 meq/g dry and 0.0088 S/cm, respectively. The minimum values of water content and electrical resistance CBL0137 order were 3.33% and 1.25 Omega cm(2), respectively. Compared to a commercially available membrane (AMX), the prepared membranes were more chemically resistant. After 150 charge-discharge cycles,

the maximum current efficiency, voltage efficiency, energy efficiency and discharge capacity of an all-vanadium redox flow battery were determined to be 94.6%, 79.6%, 75.3% and 47.1%, respectively. (C) 2014 Elsevier B.V. All rights reserved.”
“Objective: Hostility is associated with cardiovascular mortality and morbidity, and one of the mechanisms may involve heightened reactivity to mental stress. However, little research has been conducted in populations at high risk for

cardiovascular disease. The aim of the present study was to assess the relationship between hostility and acute stress responsivity in individuals with Type 2 diabetes. Methods: A total of 140 individuals (median age [standard deviation] 63.71 [7.00] years) with Type 2 diabetes took part in laboratory-based experimental stress testing. Systolic blood pressure, diastolic blood pressure, heart rate, plasma interleukin-6 (IL-6), and salivary cortisol were assessed at baseline, during two stress tasks, and 45 and 75 minutes later. Cynical www.selleckchem.com/products/ipi-145-ink1197.html hostility was assessed using the Cook Medley Cynical Hostility Scale. Results: Participants with greater hostility scores had heightened increases in IL-6 induced by the acute stress tasks (B = 0.082, p = .002), independent of age, sex, body mass index, smoking, household income, time of testing, medication, and baseline IL-6. Hostility was inversely associated with cortisol output poststress (B = -0.017, p = .002), independent of covariates. No associations between hostility and blood pressure or heart rate responses were observed.

After MF/SS, the next most common CTCLs are

CD30+ lymphop

After MF/SS, the next most common CTCLs are

CD30+ lymphoproliferative disorders: self-regressing lymphomatoid papulosis (LyP) or tumors of anaplastic large-cell lymphoma (ALCL), which express high levels of tumor necrosis factor death receptor member 8, also called CD30. Although MF is not considered to be a CD30+ lymphoproliferative disorder, MF may co-exist with LyP lesions, and MF may express buy NVP-BSK805 CD30, especially in the setting of large-cell transformation. The development of targeted therapy for CD30+ CTCLs will help in understanding the importance of the CD30 death receptor in pathogenesis and will improve treatment options.”
“Effects of vitamin E and pyrroloquinoline quinone on peripheral nerve regeneration were studied using a rat sciatic nerve transection model. Ninety male healthy White Wistar rats were divided into three experimental groups (n = 15), randomly: Sham-operation (SHAM), transected control (TC), chitosan conduit (Chit) and three treatment groups (Vit E, PQQ and PQQ + Vit E). In SHAM group after anesthesia, left sciatic nerve was exposed through a gluteal muscle incision and after homeostasis muscle was sutured. In Chit group left sciatic nerve was exposed the same way and transected proximal to tibioperoneal bifurcation leaving a 10-mm gap. Proximal and distal stumps were each

inserted into a chitosan tube. In treatment groups the tube was implanted the same way and filled with Vit E, PQQ click here and PQQ + Vit E. Each group was subdivided into three subgroups of six animals each and were studied 4, 8, 12 weeks after surgery. Functional and electrophysiological studies, and gastrocnemius muscle mass measurement confirmed faster and better recovery of regenerated axons in Vit E + PQQ combination compared to Vit E or PQQ solely (P < 0.05). Morphometric indices of regenerated fibers showed number and diameter of the myelinated fibers in PQQ + Vit E was significantly higher than in other treatment groups. In immunohistochemistry, location of reactions to S-100 in PQQ + Vit E was clearly more positive than in other treatment groups. Response Sapanisertib chemical structure to PQQ + Vit E treatment demonstrates that it influences and improves functional recovery

of peripheral nerve regeneration. (C) 2013 Surgical Associates Ltd. Published by Elsevier Ltd. All rights reserved.”
“Chloroplasts are plant-specific organelles that perform photosynthesis and responsible for the world’s primary productively. Using light energy, chloroplasts produce many important products, including starch, amino acids, lipids, pigments and various secondary products. Therefore, chloroplasts are essential to the lives of all plants and animals alike. Chloroplast transformation is a unique technology to produce huge amount of valuable materials in chloroplasts using photosynthetic energy. In order to control chloroplasts at will, we need more information on molecular basis of chloroplast gene expression and communication between the chloroplast and nucleus.

Sporocysts shed from day 6 on after experimental infection by the

Sporocysts shed from day 6 on after experimental infection by the Northern goshawk were of ovoid appearance (11.9 x 7.9 mu m). Ultrastructurally, schizonts of all developmental stages were found in the liver, spleen and next to or in endothelial cells of various organs of domestic pigeons 7 to 12 days after experimental infection. The cyst wall surface of slender sarcocysts (1 to 2 mm in length and 20 to 50 mu m in width) was smooth and lacked protrusions. Cystozoites were lancet-shaped and measured 7.5 x 1.5 mu m in Giemsa stain smears. The morphological findings, when combined with data of experimental infection and genetic studies, convergently

indicate that the recently discovered Sarcocystis BMS-777607 supplier species represents a new species. We therefore propose to name this parasite Sarcocystis calchasi species nova.”
“Objective: For patients with postoperative Small Molecule Compound Library pleural empyema, open window thoracostomy (OWT) is often necessary to prevent sepsis. Vacuum-assisted closure (VAC) is a well-known therapeutic option in wound treatment. The efficacy and safety of intrathoracal VAC therapy, especially in patients with pleural empyema with bronchial stump insufficiency or remain lung, has not yet been investigated.\n\nMethods: Between October 2009 and July 2010,

eight consecutive patients (mean age of 66.1 years) with multimorbidity received an OWT with VAC for the treatment of postoperative or recurrent pleural empyema. Two of them had a bronchial stump insufficiency (BPF).\n\nResults: VAC therapy ensured local control of the empyema and control of sepsis. The continuous suction check details up to 125 mm Hg cleaned the wound and thoracic cavity and supported the rapid healing. Additionally, installation of a stable vacuum was possible in the two patients with BPF. The smaller bronchus stump fistula closed spontaneously due to the VAC therapy,

but the larger remained open.\n\nThe direct contact of the VAC sponge did not create any air leak or bleeding from the lung or the mediastinal structures. The VAC therapy allowed a better re-expansion of remaining lung.\n\nOne patient died in the late postoperative period (day 47 p.o.) of multiorgan failure. In three cases, VAC therapy was continued in an outpatient service, and in four patients, the OWT was treated with conventional wound care. After a mean time of three months, the chest wall was closed in five of seven cases. However, two patients rejected the closure of the OWT. After a follow-up at 7.7 months, neither recurrent pleural empyema nor BPF was observed.\n\nConclusion: VAC therapy was effective and safe in the treatment of complicated pleural empyema. The presence of smaller bronchial stump fistula and of residual lung tissue are not a contraindication for VAC therapy.”
“Phragmites karka (Retz.) Trin, ex.

A significant diamagnetic shift (similar to 2 5meV) develops for

A significant diamagnetic shift (similar to 2.5meV) develops for magnetic fields above similar to 8T, which is accompanied by a narrowing of the emission bandwidth and a substantial increase in the difference between the integrated intensities of the sigma(+) and sigma(-) polarizations in the MPL spectra. This, along with a peculiar spectral dependence of the polarization degree which evolves with increasing magnetic field, is

interpreted in terms of bound and free magneto excitons in the system where Bi-related levels become hybridized to different extents with the valence and conduction bands of the GaAs host material. (C) 2014 AIP Publishing LLC.”
“MicroRNAs (miRNAs) are a class of about 20-24 selleck chemical nt small non-coding RNAs that can regulate their target gene expression transcriptionally and posttranscriptionally. There are an increasing number of studies describing the identification of new components and regulatory mechanisms involved in the miRNA biogenesis and effector pathway Emricasan chemical structure as well as new functions of miRNAs in plant development. This review mainly focuses on the components involved in this pathway, and the developmental defects associated with the corresponding mutations. Some functions of important miRNAs in plant development, together with

the modes of miRNA action, are also discussed in this review to describe the recent advance in this area.”
“In this study, gellan sulfate (GS), a novel anticoagulant, was prepared by mixing deacetylated gellan and the dimethylformamide/sulfur trioxide (DMF-SO3) complex; this complex was prepared by adding varying volumes of chlorosulfonic acid (CISO(3)H) to DMF. The anticoagulant properties CBL0137 mw of GS were measured by determining the coagulation time, prothrombin time (PT), and activated partial thromboplastin time (aPTT) of normal whole blood samples and by analyzing the activation of hemocoagulation

factors V, VIII, IX, X, and XII. We found that 0.04 mg/mL of GS with 40% sulfonation exhibits anticoagulant properties. GS selectively suppressed the activation of hemocoagulation factors XI and XII in the initial steps of the contact activation pathway. On the basis of our results, it can be concluded that the mechanism underlying the anticoagulation effects of GS was different from that of heparin. In addition, GS did not react with other hemocoagulation factors such as factors IX and X, and its activity was independent of antithrombin. (C) 2009 Elsevier B.V. All rights reserved.”
“Purpose: The objective of this systematic review was to evaluate the clinical fracture incidence of tooth-supported all-ceramic crowns according to restored tooth type.

Infection of mice with a F tularensis mviNmutant resulted in imp

Infection of mice with a F. tularensis mviNmutant resulted in improved survival and decreased bacterial burdens compared to infection with wild-type F. tularensis. The mviN mutant also induced increased absent in melanoma 2 inflammasome-dependent IL-1 beta secretion and cytotoxicity in macrophages. The compromised in vivo virulence of the mviN mutant depended upon inflammasome activation, as caspase 1- and apoptosis-associated speck-like protein containing a caspase recruitment domain-deficient mice did not exhibit preferential

survival following infection. This study demonstrates that mviN limits F. tularensis-induced absent in melanoma 2 inflammasome activation, which is critical for its virulence in vivo. The Journal of Immunology, 2010, 185: 2670-2674.”
“A simple and efficient procedure for the synthesis of spirooxindole VX-680 ic50 has been described that employs a three-component condensation reaction in one pot using isatin, active methylene reagent,

and 1,3-dicarbonyl compounds in an BVD-523 nmr aqueous medium.”
“Thirteen new species of sponges are described from coral reefs of the Netherlands Antilles and the Colombian Caribbean. Species were collected during quantitative investigations of reef sponges performed by students of the University of Amsterdam in the period between 1984 and 1991. Most of the reported specimens were taken from undersides of coral rubble, crevices or reef caves (sciophilous habitats) and without exception are small encrusting or fistular sponges. The material reported LGX818 cell line in this paper includes a new genus and species of Placospongiidae, Placospherastra antillensis n. g. n. sp., the first Caribbean representatives of the genera Triptolemma (Pachastrellidae) and Megaciella (Acarnidae), viz. Triptolemma endolithicum n. sp. and Megaciella incrustans n. sp., a new species of Timeidae, Timea curacaoensis n. sp., a new species of Microcionidae with peculiar

colloscleres, Clathria (Thalysias) collosclera n. sp., two new species of Chondropsidae, viz. Batzella fusca n. sp., and Strongylacidon unguiferum n. sp., three new species of Coelosphaeridae, viz. Forcepia (Forcepia) minima n. sp., Forcepia (Forcepia) fistulosa n. sp., and Forcepia (Leptolabis) microlabis n. sp., a new species of Crellidae, Crella (Grayella) beglingerae n. sp., a new species of Hymedesmiidae, Hymedesmia (Hymedesmia) bonairensis n. sp., and a new species of Mycalidae, Mycale (Paresperella) vitellina n. sp. Most species are represented by only small fragments removed from the substrate by scalpel or diving knife, leaving little and often crumbled preserved type material. This study is intended to demonstrate that the small crusts dominating easily accessible shallow water coral rubble habitats in the Caribbean remain understudied.

A major opportunity exists to advance the dialogue on the use of

A major opportunity exists to advance the dialogue on the use of quantitative imaging tools to cross-fertilize and accelerate image-processing research across lung cancer and chronic obstructive pulmonary disease (COPD).\n\nConclusion: The use of high-resolution CT imaging provides a window into a much earlier stage of COPD as well as coronary artery disease, both being tobacco-induced diseases. Progress in this area was reviewed and opportunities for enhanced collaborative progress defined. Key sessions reviewed emerging developments MG-132 clinical trial with imaging technology and the infrastructure to support the storage and distribution of these high-content modalities.

Cooperation among diverse collaborators is essential to enable the rapid organic evolution of this field, so that improved outcomes with lung cancer, artery disease, and COPD can be obtained.”
“Hydrothermal reactions of lanthanide oxides with a rigid ligand (2,3-f)-pyrazino(1,10)phenanthroline-2,3-dicarboxylic acid (H(2)PPDA) yielded 12 novel lanthanide GW4869 coordination polymers with formulas [Ln(HPPDA)(PPDA)-(H2O)(2)]center dot 2H(2)O (Ln = Pr, 1 center dot

Pr; Nd, 2 center dot Nd; Sm, 3 center dot Sm; Eu, 4 center dot Eu; Gd, 5 center dot Gd; Tb, 6 center dot Tb; and Dy, 7 center dot Dy) and [Ln(2) (PPDA)(3) (H2O)(4)]center dot nH(2)O(Ln = Pr, n = 2, 8 center dot Pr: Ln = Nd, n = 3, 9 center dot Nd; Ln = Sm, n = 2, 10 center dot Sm; Ln = Eu, n = 1, 11 center dot Eu; Ln = Gd, n = 1, 12 center dot Gd). Single-crystal X-ray diffraction analysis reveals that they present two different structural types. Type I for 1 center dot Pr-7 center dot Dy possesses a two-dimensional 4.4 network, whereas type II for 8

center dot Pr-12 center dot Gd exhibits a two-dimensional framework with 3.6 topology. A rationalization for the synthetic pathways that lead to the formation of type I and type II is described. The synthetic reactions gave pure type HM781-36B supplier I as the Final product with the emergence of a small amount of type II as an intermediate within the reaction process. Photoluminescence, thermogravimetric, and magnetic analysis of type I were investigated.”
“A malignant pleural effusion (MPE) establishes an incurable stage of a malignancy. Median survival after detection of an MPE is 4 to 6 months in general populations of patients with cancer. Management of MPE centers on palliation of symptoms because no available treatments prolong survival. Mismanagement of MPE, however, can shorten survival and add to patients’ burden of disease. Appropriate management requires a multidisciplinary approach with competency in existing treatment modalities to allow individualization of care.

Results of Ilex cymosa species for adventitious root induction pe

Results of Ilex cymosa species for adventitious root induction per microcutting was markedly different from other GDC-0994 datasheet species and it produced the highest number of adventitious roots (14.07 roots/microcutting). A. korthalsii generated the fewer, but the heaviest roots compared to I. cymosa. Rooting ability of microcuttings was highly correlated with its number of leaves produced during

rooting (r = 0.869-0.981) as well as, with regenerative shoot length of the mother plants (r = 0.690-0.954). Regenerative leaf growth of mother plants and the rooting of their microcuttings was species-specific suggesting that developing association between the two parameters is difficult.”
“Flexible polyurethane foam (FPF) is produced from the reaction of toluene diisocyanate (TDI) and polyols. Because of the potential for respiratory sensitization following exposure to TDI, concerns have been raised about potential consumer exposure to TDI from residual free TDI in FPF

products. Limited and conflicting results exist in the literature concerning the presence of unreacted TDI remaining in FPF as determined by various solvent extraction and analysis techniques. Because residual TDI results are most often intended for application in assessment of potential human exposure to TDI from FPF products, testing techniques that more accurately simulated human contact with foam were designed. To represent inhalation exposure

to TDI from polyurethane foam, a test that measured the emission Staurosporine cell line of TDI to air was conducted. For simulation of human dermal exposure to TDI from polyurethane foam, a migration test technique was designed. Emission of TDI to air was determined for a representative FPF using three different emission test cells. Two were commercially available cells that employ air flow over the surface of the foam [the Field and Laboratory Emission Cell (FLEC) and the Micro-Chamber/Thermal Extraction cell]. The third emission test cell was of a custom design and features air flow through the foam sample HER2 inhibitor rather than over the foam surface. Emitted TDI in the air of the test cells was trapped using glass fiber filters coated with 1-(2-methoxyphenyl)-piperazine (MP), a commonly used derivatizing agent for diisocyanates. The filters were subsequently desorbed and analyzed by liquid chromatography/mass spectrometry. Measurement of TDI migration from representative foam was accomplished by placing glass fiber filters coated with MP on the outer surfaces of a foam disk and then compressing the filters against the disk using a clamping apparatus for periods of 8 and 24 h. The sample filters were subsequently desorbed and analyzed in the same manner as for the emission tests.