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Journal articles on the topic 'AS-PCE'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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1

Li, Nan, and Bei Ding. "The Performance of Low Air-Entraining Polycarboxylate Superplasticizer." Advanced Materials Research 1129 (November 2015): 361–66. http://dx.doi.org/10.4028/www.scientific.net/amr.1129.361.

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A new low air-entraining polycarboxylate superplasticizer (denoted as L-PCE) was synthesized by using oxirane/epoxypropane (denoted as EO/PO) block-polyether as one of monomers. The molecular structure of EO/PO block-polyether monomer was characterized by proton nuclear magnetic resonance spectroscopy (denoted as 1H NMR). The pore parameters, workability, and compressive strength of the concrete added with L-PCE were compared to that added with conventional polycarboxylate superplasticizer (denoted as G-PCE) or the G-PCE compounding with defoaming agent. The results demonstrate that the air en
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Xiang, Shuncheng, Yingli Gao, and Caijun Shi. "Progresses in Synthesis of Polycarboxylate Superplasticizer." Advances in Civil Engineering 2020 (July 3, 2020): 1–14. http://dx.doi.org/10.1155/2020/8810443.

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The prerequisite to synthesize PCE was to prepare new macromonomers with controlled molecular mass, adjustable hydrophilic-lipophilic groups, long-chain alkyl groups, and large terminal hydroxyl groups as well. Structural modifications in the molecular scale of polycarboxylate superplasticizer (PCE) would lead to changes in properties of dispersion and water retention as well as enhancement in the compatibility of Portland cement and so on. This paper reviewed recent developments from synthetic methods of macromonomers as the initial step of production of PCE, PCE at room and elevated temperat
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3

Sung, Youlboong, Kirsti M. Ritalahti, Robert A. Sanford, et al. "Characterization of Two Tetrachloroethene-Reducing, Acetate-Oxidizing Anaerobic Bacteria and Their Description as Desulfuromonas michiganensis sp. nov." Applied and Environmental Microbiology 69, no. 5 (2003): 2964–74. http://dx.doi.org/10.1128/aem.69.5.2964-2974.2003.

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ABSTRACT Two tetrachlorethene (PCE)-dechlorinating populations, designated strains BB1 and BRS1, were isolated from pristine river sediment and chloroethene-contaminated aquifer material, respectively. PCE-to-cis-1,2-dichloroethene-dechlorinating activity could be transferred in defined basal salts medium with acetate as the electron donor and PCE as the electron acceptor. Taxonomic analysis based on 16S rRNA gene sequencing placed both isolates within the Desulfuromonas cluster in the δ subdivision of the Proteobacteria. PCE was dechlorinated at rates of at least 139 nmol min−1 mg of protein−
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Vijayan, Ajeesh P., A. Sreelakshmi, Fasna Sharin, and Pradeesh Kannan. "Copper-based surface plasmon coupled emission steering for biosensor applications." Journal of Physics: Conference Series 2357, no. 1 (2022): 012005. http://dx.doi.org/10.1088/1742-6596/2357/1/012005.

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Surface plasmon coupled emission (PCE) was demonstrated using Copper (Cu) as metal film and Rhodamine B (RhB) dye doped Poly Vinyl Alcohol (PVA) as dielectric layer coupled to a hemicylindrical prism in Reverse Kretschmann (RK) configuration. Emission directionality was observed due to PCE and the dielectric layer thicknesses highly influence PCE emission steering. A correlation of emission directionality and the dielectric layer thickness was achieved. For dielectric with higher thicknesses, PCE tuning was also observed apart from emission steering. Emission steering and a promising PCE tunin
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Gupta, Hani, and Shuzo Tanaka. "Photocatalytic mineralisation of perchloroethylene using titanium dioxide." Water Science and Technology 31, no. 9 (1995): 47–54. http://dx.doi.org/10.2166/wst.1995.0343.

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The photocatalytic mineralisation of perchloroethylene (PCE) is demonstrated mainly in terms of CO2 formation to investigate the effects of various factors such as dissolved oxygen (DO), titanium dioxide semiconductor (TiO2) catalyst dosage, PCE concentration and pH on PCE photocatalysis. PCE was rapidly adsorbed onto the TiO2 particles followed by its gradual degradation, and CO2 production started after a short lag time that corresponded to the adsorption phase. The rate of CO2 formation increased with increasing DO, TiO2 dosage and PCE concentration. There was no significant effect of initi
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Yulipriyono, EPF Eko, and Djoko Purwanto. "Perubahan Nilai Ekivalensi Mobil Penumpang Akibat Perubahan Karakteristik Operasional Kendaraan di Jalan Kota Semarang." MEDIA KOMUNIKASI TEKNIK SIPIL 23, no. 1 (2017): 69. http://dx.doi.org/10.14710/mkts.v23i1.12517.

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Passenger Car Equivalent (PCE) is a conversion factor to make equal the various types of vehicles that operating on the road section into one type of vehicles i.e. passenger cars. Indonesian Highway Capacity Manual (MKJI) 1997 has set the PCE values for various types of vehicle groups either motorized. PCE values of various types of vehicles are not absolute because many factors that affect can change over time and development of automotive technology. This study aimed to find out the changes of PCE value that occurs. As for the purpose of research to determine the current number of PCE values
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7

Aulenta, F., A. Fina, M. Potalivo, M. Petrangeli Papini, S. Rossetti, and M. Majone. "Anaerobic transformation of tetrachloroethane, perchloroethylene, and their mixtures by mixed-cultures enriched from contaminated soils and sediments." Water Science and Technology 52, no. 1-2 (2005): 357–62. http://dx.doi.org/10.2166/wst.2005.0539.

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The focus of this research was to investigate the anaerobic transformation of tetrachloroethane (TeCA), perchloroethylene (PCE), and their mixtures by mixed cultures enriched from contaminated soils or sediments. Batch transformation studies were conducted using TeCA (60 μM), PCE (60 μM), or TeCA + PCE (each added at 60 μM) as electron acceptor(s) and H2+acetate (each added at 3 mM) or butyrate (3 mM) as electron donor(s). A Dehalococcoides spp.-containing, sediment-enrichment dechlorinated PCE rapidly to ethene (ETH) but slowly and incompletely dechlorinated TeCA. Moreover, when present in mi
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8

Lee, Yunkyoung, Hee-Sook Jun, and Yoon Sin Oh. "Protective Effect of Psoralea corylifolia L. Seed Extract against Palmitate-Induced Neuronal Apoptosis in PC12 Cells." Evidence-Based Complementary and Alternative Medicine 2016 (2016): 1–11. http://dx.doi.org/10.1155/2016/5410419.

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The extract of Psoralea corylifolia seeds (PCE) has been widely used as a herbal medicine because of its beneficial effect on human health. In this study, we investigated the protective effects and molecular mechanisms of PCE on palmitate- (PA-) induced toxicity in PC12 cells, a neuron-like cell line. PCE significantly increased cell viability in PA-treated PC12 cells and showed antiapoptotic effects, as evidenced by decreased expression of cleaved caspase-3, cleaved poly(ADP-ribose) polymerase, and bax protein as well as increased expression of bcl-2 protein. In addition, PCE treatment reduce
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9

Lee, Tae Ho, Masaharu Yoshimi, Michihiko Ike, and Masanori Fujita. "Characterization of an anaerobic soil enrichment capable of dechlorinating high concentrations of tetrachloroethylene." Water Science and Technology 36, no. 6-7 (1997): 117–24. http://dx.doi.org/10.2166/wst.1997.0582.

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An anaerobic soil enrichment culture could dechlorinate high concentrations of tetrachloroethylene (PCE; 150 mg/liter nominal concentration; approximately 58 mg/liter in aqueous concentration) nearly stoichiometrically to cis-1,2-dichloroethylene (cis-DCE) via trichloroethylene (TCE) at high rates; a maximum dechlorination rate was 0.4 μmol of PCE transformed/mg volatile suspended solids per hr, using citrate as an electron and carbon source and yeast extract as a nutritional requirement. This dechlorinating activity was comparable with those of the previously-reported, efficient bacterial cul
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10

Wardhani, Primasari Cahya, and Ahmad Dzulfiqar Alfiansyah. "THE IMPACT OF THE PCE MC CORRECTION VALUE USING MODIFIED AVERAGE TIME HEADWAY METHOD TO ROAD PERFORMANCE (CASE STUDY: VETERAN STREET, MALANG CITY)." CI-TECH 3, no. 01 (2022): 9–14. http://dx.doi.org/10.33005/ci-tech.v3i01.51.

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 Passenger Car Equivalent (PCE) is a conversion factor of various types of vehicles compared to passenger cars or other light vehicles concerning their impact on traffic behavior. The PCE value used in calculating the performance of urban roads refers to Manual Kapasitas Jalan Indonesia (MKJI 1997) as an Indonesian Highway Capacity Manual. There have been many changes in traffic behavior nowadays compared to in 1997. The calculation of the PCE MC value using the average time headway method does not match the actual conditions. Therefore, modifications are needed by c
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11

Koi, Polaris. "Toward Informed User Decisions About Pharmacological Cognitive Enhancement." Cambridge Quarterly of Healthcare Ethics 31, no. 4 (2022): 545–56. http://dx.doi.org/10.1017/s096318012200041x.

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AbstractPharmacological cognitive enhancement (PCE) refers to the use of pharmaceuticals to improve cognitive function when that use is not intended to prevent or treat disease. Those who favour a liberal approach to PCE trust users to make informed decisions about whether enhancing is in their best interest. The author argues that making informed decisions about PCE requires a nuanced risk-benefit analysis that is not accessible to many users. Presently, the PCE use of prescription medications such as methylphenidate and modafinil is widespread but most commonly happens without medical superv
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12

Guo, Guangming, Si Wu, Guoshan Liu, Fuyong Zhang, and Luyan Wang. "Synthesis and Performance of HPEG-AA-AMPS-HPA Polycarboxylate Superplasticizer." Journal of Physics: Conference Series 2737, no. 1 (2024): 012007. http://dx.doi.org/10.1088/1742-6596/2737/1/012007.

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Abstract An clay-resistance and slump-retaining polycarboxylate superplasticizer (PCE-RC) was synthesized using macro-monomer HPEG with different molecular weight, acrylic acid (AA), 2-acrylamide-2-methacrylic acid (AMPS) and 2-hydroxy-1-methylethyl acrylate (HPA) via H2O2-NaHSO3 redox initiator system. Effects of the acid-ether ratio, HPEG molecular weight, the amount of AMPS and HPA on the properties of PCE-RC in cement were discussed and the optimal molar ratio of HPEG3000, AA, AMPS and HPA was 1:4.5:0.1:0.1. As-synthesized polycarboxylate superplasticizer PCE-RC was characterized by GPC an
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13

Hu, Bing, Hong-Mei An, Ke-Ping Shen, Hai-Yan Song, and Shan Deng. "Polygonum cuspidatumExtract Induces Anoikis in Hepatocarcinoma Cells Associated with Generation of Reactive Oxygen Species and Downregulation of Focal Adhesion Kinase." Evidence-Based Complementary and Alternative Medicine 2012 (2012): 1–9. http://dx.doi.org/10.1155/2012/607675.

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Anoikis has been recognized as a potential target for anticancer therapy.Polygonum cuspidatum(Huzhang) is a frequently used Chinese herb in hepatocarcinoma. In present study, we evaluated the effects ofPolygonum cuspidatumextract (PCE) in hepatocarcinoma cells in suspension. The results showed that PCE inhibited the proliferation of hepatocarcinoma cells in suspension in a dose- and time-dependent manner. PCE also inhibited anchorage-independent growth of hepatocarcinoma cells in soft agar. PCE induced anoikis in human hepatocarcinoma Bel-7402 cells accompanied by caspase-3 and caspase-9 activ
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14

Syafei, Dedri, Sri Sugiarti, Noviyan Darmawan, and Mohammad Khotib. "Synthesis of TiO2/Carbon Nanoparticle (C-dot) Composites as Active Catalysts for Photodegradation of Persistent Organic Pollutant." Indonesian Journal of Chemistry 17, no. 1 (2017): 37. http://dx.doi.org/10.22146/ijc.23615.

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TiO2/C-dot composites were synthesised by sol-gel method and investigated as catalysts for photocatalytic degradation of persistent organic pollutants (perchloroethylene, PCE). The composites photoluminescence properties was shown by visual analysis and the synthesis product was characterized by XRD, FTIR, fluorescence spectrophotometer, and UV-Vis spectrophotometer. Degradation of PCE 0.1% (v/v) in the aqueous phase was investigated under sunlight irradiation for 2 h. Photodegrade efficiency of PCE was determined by GC. Composites of TiO2/C-dot 2.5% (w/w) was succesfully to degrade PCE under
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15

Verbrugge, Randal. "Is it Time to Reassess the Focal Role of Core PCE Inflation in Assessing the Trend in PCE Inflation?" Economia 45, no. 89 (2022): 73–101. http://dx.doi.org/10.18800/economia.202201.004.

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“Core” PCE inflation—that is, inflation in PCE-ex-food-and-energy—is widely used as an estimate of trend inflation. But it is long overdue for replacement. The original rationale of core inflation was to remove volatile items with transitory shocks. But aside from gasoline, the list of excluded items is far from optimal. Core inflation also su˙ers from other severe deficiencies, common to all exclusion indexes. Excluded items often have persistent trends; thus excluding them imparts a significant time-varying bias. Items that are not excluded can experience high volatility, and will cause excl
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16

Molnar, Danielle S., Ash Levitt, Rina Das Eiden, and Pamela Schuetze. "Prenatal cocaine exposure and trajectories of externalizing behavior problems in early childhood: Examining the role of maternal negative affect." Development and Psychopathology 26, no. 2 (2014): 515–28. http://dx.doi.org/10.1017/s0954579414000091.

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AbstractThis study examined the association between prenatal cocaine exposure (PCE) and developmental trajectories of externalizing behavior problems from 18 to 54 months of child age. A hypothesized indirect association between PCE and externalizing trajectories via maternal negative affect was also examined. Caregiving environmental risk and child sex were evaluated as moderators. This study consisted of 196 mother–child dyads recruited at delivery from local area hospitals (107 PCE, 89 non-PCE) and assessed at seven time points across the toddler to preschool periods. Results revealed no di
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John, Markus, Raffael Rubick, Roland P. H. Schmitz, Jana Rakoczy, Torsten Schubert, and Gabriele Diekert. "Retentive Memory of Bacteria: Long-Term Regulation of Dehalorespiration in Sulfurospirillum multivorans." Journal of Bacteriology 191, no. 5 (2008): 1650–55. http://dx.doi.org/10.1128/jb.00597-08.

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ABSTRACT The gram-negative, strictly anaerobic epsilonproteobacterium Sulfurospirillum multivorans is able to gain energy from dehalorespiration with tetrachloroethene (perchloroethylene [PCE]) as a terminal electron acceptor. The organism can also utilize fumarate as an electron acceptor. Prolonged subcultivation of S. multivorans in the absence of PCE with pyruvate as an electron donor and fumarate as an electron acceptor resulted in a decrease of PCE dehalogenase (PceA) activity. Concomitantly, the pceA transcript level equally decreased as shown by reverse transcriptase PCR. After 35 subcu
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18

Büyüksönmez, Fati˙h, Thomas F. Hess, Ronald L. Crawford, Andrzej Paszczynski, and Richard J. Watts. "Optimization of Simultaneous Chemical and Biological Mineralization of Perchloroethylene." Applied and Environmental Microbiology 65, no. 6 (1999): 2784–88. http://dx.doi.org/10.1128/aem.65.6.2784-2788.1999.

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ABSTRACT Optimization of the simultaneous chemical and biological mineralization of perchloroethylene (PCE) by modified Fenton’s reagent and Xanthobacter flavus was investigated by using a central composite rotatable experimental design. Concentrations of PCE, hydrogen peroxide, and ferrous iron and the microbial cell number were set as variables. Percent mineralization of PCE to CO2 was investigated as a response. A second-order, quadratic response surface model was generated and fit the data adequately, with a correlation coefficient of 0.72. Analysis of the results showed that the PCE conce
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Zhou, Meng-Lan, Michael R. Frost, and Moon H. Nahm. "2597. Dolichos biflorus Agglutinin Binds to Pneumococcal Teichoic Acid and Lipoteichoic Acid." Open Forum Infectious Diseases 6, Supplement_2 (2019): S902—S903. http://dx.doi.org/10.1093/ofid/ofz360.2275.

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Abstract Background Dolichos biflorus agglutinin (DBA) is a lectin with a binding specificity toward α-linked N-acetylgalactosamine (α-GalNAc). While DBA is known to bind some, but not all, pneumococci, its target molecule has not been identified. Pneumococcus teichoic acid (TA) and lipoteichoic acid (LTA) have repeating units with α-GalNAc-(1→3)β-GalNAc decorated with phosphorylcholine (PC) at the O-6 positions. Two PC transferases, LicD1 and LicD2, mediate the attachment of PC to GalNAc residues while phosphorylcholine esterase (Pce) removes PCs attached to the terminal GalNAcs. We examined
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Cheng, Wing-Chi, and Kwok-Leung Dao. "The Emergence of Deschloro-N-ethyl-ketamine, a Ketamine Analog, in Drug Seizures and Drug Driving Cases in Hong Kong." Journal of Analytical Toxicology 44, no. 8 (2020): 886–95. http://dx.doi.org/10.1093/jat/bkaa038.

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Abstract The study reports the detection of a newly emerged drug, deschloro-N-ethyl-ketamine (2-oxo-PCE), an analog of ketamine, through forensic drug and toxicological examinations of exhibits from drug seizure cases and blood samples taken from drivers of driving under the influence of drug (DUID) cases, respectively, in Hong Kong. The submission of 2-oxo-PCE in both types of cases was firstly encountered in October 2017. A total of 31 drug seizure cases (52 items) and 4 DUID cases were found positive with 2-oxo-PCE till October 2018. Drug seizures with 2-oxo-PCE found were all in physical f
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Muñoz, Raül, Ramon Casellas, Ricardo Martínez, and Ricard Vilalta. "PCE: What is It, How Does It Work and What are its Limitations?" IEEE/OSA Journal of Lightwave Technology 32, no. 4 (2014): 528–43. https://doi.org/10.5281/zenodo.58585.

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In GMPLS-controlled optical networks, the utilization of source-based path computation has some limitations, especially in large networks with stringent constraints (e.g., optical impairments) or in multilayer and multidomain networks, which leads to suboptimal routing solutions. The path computation eElement (PCE) can mitigate some weaknesses of GMPLS-controlled optical networks. The main idea behind the PCE is to decouple the path computation function from the GMPLS controllers into a dedicated entity with an open and well-defined interface and protocol. A (stateless) PCE is capable of compu
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Xia, Yuchen, Wei Shi, Shuncheng Xiang, et al. "Synthesis and Modification of Polycarboxylate Superplasticizers—A Review." Materials 17, no. 5 (2024): 1092. http://dx.doi.org/10.3390/ma17051092.

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The molecular-scale structural changes in polycarboxylic superplasticizer (PCE) can influence dispersion and water retention. Polycarboxylate superplasticizer, synthesized using different methods, may alter dispersion and water-reducing effects. The synthesis of PCE involves creating a novel macromolecular monomer with a controllable molecular mass, adjustable lipophilic, and hydrophilic moieties, as outlined in this study. This article reviews processes for synthesizing polycarboxylates and identifies the optimal method through orthogonal experiments to produce a modified polycarboxylate supe
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Komatsu, Toshiya, Jun Shinmyo, and Kiyoshi Momonoi. "Reductive transformation of tetrachloroethylene to ethylene and ethane by an anaerobic filter." Water Science and Technology 36, no. 6-7 (1997): 125–32. http://dx.doi.org/10.2166/wst.1997.0583.

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Tetrachloroethylene (PCE) is one of the most common groundwater contaminants in Japan. PCE can be completely dechlorinated to ethylene (ETY) and ethane (ETA) by anaerobic microorganisms in the presence of a suitable electron donor. This study was conducted to examine the feasibility of using an anaerobic filter for the degradation of PCE in a bioremediation process. Laboratory-scale anaerobic filters were operated at 25°C using ethanol as the electron donor. Rapid start-up of the reactors was achieved by using anaerobic completely PCE-dechlorinating enrichment cultures as the inoculum. During
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Hirano, Shinichi, Norio Matsumoto, and Naoya Ohmura. "Regulation of PCE-Dechlorinating Activity by Electrochemical Cultivation." Advanced Materials Research 20-21 (July 2007): 319–22. http://dx.doi.org/10.4028/www.scientific.net/amr.20-21.319.

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Tetrachloroethene (PCE) is one of the grave environmental pollutants. Certain anaerobic bacteria have the ability to dechlorinate PCE as an electron acceptor for their respiration (dehalorespiration). Previously, we accumulated PCE-dechlorinating culture in the presence of Fe(III)-EDTA. In this study, we have described the regulation of dehalorespiration by electrolytic control of the Fe(II)/Fe(III) ratio using a potentiostat (electrochemical cultivation). PCE-dechlorinating culture was cultivated under H2 conditions at constant redox potentials ranging from –0.1 to –0.8 V. After electrochemic
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Tibayrenc, Michel. "The Relevance of the Predominant Clonal Evolution (PCE) Model for the Molecular Epidemiology and Subspecific Taxonomy of Trypanosoma cruzi." Pathogens 14, no. 5 (2025): 407. https://doi.org/10.3390/pathogens14050407.

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The predominant clonal evolution (PCE) model is often misunderstood. Contrary to common belief, it is not restricted to strict mitotic clonality. Instead, it encompasses processes such as selfing, strong homogamy, and various forms of parthenogenesis, as widely acknowledged by researchers studying clonality. Moreover, the PCE model does not claim that genetic recombination is entirely absent or devoid of epidemiological and evolutionary significance. In this review, I will explore the reciprocal relationship between PCE and molecular epidemiology (strain typing) and discuss the implications of
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Lee, Jae-Min, Arin Choi, Hee-Hwan Lee, Sang Jae Park, and Byung-Hak Kim. "Purple Corn Extract Improves Dry Eye Symptoms in Models Induced by Desiccating Stress and Extraorbital Lacrimal Gland Excision." Nutrients 15, no. 24 (2023): 5063. http://dx.doi.org/10.3390/nu15245063.

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Dry eye disease (DED) occurs when there are not enough tears, and the associated symptoms—burns, itching, and a gritty feeling in the eye—can cause great discomfort. The purpose of this study was to evaluate the therapeutic effect of purple corn extract (PCE) on DED. Pretreatment with PCE prevented desiccation-stress-induced cell damage in human retinal pigment epithelial cells and primary human corneal epithelial cells. Furthermore, PCE reduced the mRNA expression of inflammatory mediators in the induction of desiccation stress. The therapeutic effects of PCE on DED were evaluated in an anima
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Lin, Yen-Ju, David Jui-Yang Feng, and Tzy-Rong Lin. "High-Efficiency Ultrathin Si-Based Solar Cells by Cascading Dilute-Nitride GaNAsP." Materials 14, no. 23 (2021): 7415. http://dx.doi.org/10.3390/ma14237415.

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Thin-film solar cells are currently an important research subject. In this study, a lattice-matched GaNAsP/Si tandem cell was designed. We adopted the drift-diffusion model to analyze the power conversion efficiency (PCE) of the solar cell. To find the maximum solar cell PCE, the recombination terms and the interlayer between subcells was omitted. For an optimal tandem cell PCE, this study analyzed the mole fraction combinations of GaNAsP and the thickness combinations between the GaNAsP and the Si subcells of the tandem cell. Our results showed the superiority of the tandem cell over the Si c
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Larabi, Islam Amine, Delphine Joseph, Camille Lesueur, and Jean-Claude Alvarez. "Characterization of 3-Hydroxyeticyclidine (3-HO-PCE) Metabolism in Human Liver Microsomes and Biological Samples Using High-Resolution Mass Spectrometry." Metabolites 13, no. 3 (2023): 432. http://dx.doi.org/10.3390/metabo13030432.

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3-Hydroxyeticyclidine (3-HO-PCE) is a ketamine derivative that produces dissociative, hallucinogenic, and euphoric effects when consumed, but little is known about its pharmacological properties, metabolism, and toxicity compared to other designer ketamine analogs. To address this gap in knowledge, this study explored for the first time the metabolism of 3-HO-PCE. Based on this investigation, it is hypothesized that combining the use of Human Liver Microsomes (HLM) as an In vitro model with urine and hair samples from drug users may enable the identification of key analytes that can extend the
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Kleinhans, Natalia M., Allegra J. Johnson, Sarah F. Larsen, Sara K. Berkelhamer, Mary E. Larimer, and Stephen R. Dager. "High-Potency Prenatal Cannabis Exposure and Birth Outcome Measures." Children 11, no. 12 (2024): 1436. http://dx.doi.org/10.3390/children11121436.

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Background/Objectives: Pregnant women have limited information on the impact of prenatal cannabis exposure (PCE) alone. Our aim was to determine if PCE, without alcohol, tobacco, or illicit drug use, is associated with altered birth outcome measures in obstetrically low-risk women. Methods: In this observational cohort study, pregnant women were recruited between 2019 and 2022 from communities in Washington and Oregon, USA, and enrolled following their first trimester. PCE eligibility required a minimum of three days/week of cannabis use during the first trimester with no required minimum use
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Subotić, Marko Miladin, and Vladan Jevđen Tubić. "Car Equivalents Dependence on the Longitudinal Road Gradient on Two-lane Roads in Bosnia and Herzegovina." PROMET - Traffic&Transportation 29, no. 4 (2017): 401–9. http://dx.doi.org/10.7307/ptt.v29i4.2226.

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The main objective of this paper, based upon the extensive empirical research of free flow in local conditions, is to quantify the unfavourable impact of the flow structure on the road capacity using PCE (Passenger Car Equivalent) values as a function of longitudinal grade. Based on literature reviews and empirical research, it has been proved that the PCE value for all vehicle classes is directly correlated with the road gradient. The PCE values in free flow conditions have been determined for the approved vehicle classes. Based on the measured values, models for determining the average PCE v
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Kim, So-Dam, Minha Kim, Hong-Hua Wu, Byung Kwan Jin, Myung-Shin Jeon, and Yun Seon Song. "Prunus cerasoides Extract and Its Component Compounds Upregulate Neuronal Neuroglobin Levels, Mediate Antioxidant Effects, and Ameliorate Functional Losses in the Mouse Model of Cerebral Ischemia." Antioxidants 11, no. 1 (2021): 99. http://dx.doi.org/10.3390/antiox11010099.

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Prunus cerasoides (PC) has been reported to have antimicrobial and anti-inflammatory properties, but its potential as a neuroprotective agent in a mouse model of cerebral ischemia has not been explored. Considering neuroglobin (Ngb), an endogenous neuroprotective factor, as a novel approach to neuroprotection, in this study, Ngb promoter activity, Ngb expression changes, and antioxidant protection by PC extract (PCE) and PC component compounds (PCCs) were analyzed in oxygen–glucose deprivation (OGD)-treated neurons. In vivo analysis involved transient middle cerebral artery occlusion (tMCAO) i
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Kengen, Servé W. M., Caroline G. Breidenbach, Andreas Felske, Alfons J. M. Stams, Gosse Schraa, and Willem M. de Vos. "Reductive Dechlorination of Tetrachloroethene tocis-1,2-Dichloroethene by a Thermophilic Anaerobic Enrichment Culture." Applied and Environmental Microbiology 65, no. 6 (1999): 2312–16. http://dx.doi.org/10.1128/aem.65.6.2312-2316.1999.

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ABSTRACT Thermophilic anaerobic biodegradation of tetrachloroethene (PCE) was investigated with various inocula from geothermal and nongeothermal areas. Only polluted harbor sediment resulted in a stable enrichment culture that converted PCE via trichloroethene tocis-1,2-dichloroethene at the optimum temperature of 60 to 65°C. After several transfers, methanogens were eliminated from the culture. Dechlorination was supported by lactate, pyruvate, fructose, fumarate, and malate as electron donor but not by H2, formate, or acetate. Fumarate and l-malate led to the highest dechlorination rate. In
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33

Modenese, Alberto, Tiziana Concetta Gioia, Andrea Chiesi, et al. "Evaluation of Occupational Exposure to Perchlorethylene in a Group of Italian Dry Cleaners Using Noninvasive Exposure Indices." International Journal of Environmental Research and Public Health 16, no. 16 (2019): 2832. http://dx.doi.org/10.3390/ijerph16162832.

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Recent data suggest a general trend in decreased occupational exposure to perchlorethylene (PCE) in the dry-cleaning sector. The aims of this study were to confirm this trend to lower exposure levels in a group of Italian dry cleaners and to evaluate the current occupational PCE exposure in these works using noninvasive biological indices. Environmental exposure was assessed by personal sampling in 60 operators working in 21 dry cleaning shops in North Italy. PCE in the exhaled alveolar air (PCEalv), urinary concentration of PCE and of trichloroacetic acid (TCA) (PCEu and TCAu respectively), w
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Zhang, Jianwu, Xiao Wang, Biao Jin, Xiaoting Zhang, Zhixin Li, and Xuemao Guan. "Effect and Mechanism of Superplasticizers on Performance of Ultrafine Sulfoaluminate Cement-Based Grouting Materials." Advances in Materials Science and Engineering 2022 (April 16, 2022): 1–11. http://dx.doi.org/10.1155/2022/3836517.

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A novel ultrafine sulfoaluminate cement-based grouting material (USCBGM) has been prepared in the previous research, which had better engineering application performance, such as fast setting and hardening, fast strength development, stone body microexpansion, and other properties compared with the traditional ultrafine cement. However, as an ultrafine particle material, it is also necessary to select an appropriate superplasticizer to improve the fluidity of USCGBM paste. Based on this, the effects of polycarboxylic acid (PCE) and naphthalene (FDN) superplasticizers on the performance of USCB
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35

Ignacio, Jose Manuel Fernando, and Katrina Hannah Dizon Ignacio. "Pulmonary Embolism from Cement Augmentation of the Vertebral Body." Asian Spine Journal 12, no. 2 (2018): 380–87. http://dx.doi.org/10.4184/asj.2018.12.2.380.

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<p>Pulmonary cement embolism (PCE) can follow cement augmentation procedures for spine fractures due to osteoporosis, traumatic injuries, and painful metastatic lesions. PCE is underreported and it is likely that many cases remain undiagnosed. Risk factors for PCE have been identified, which can help alert clinicians to patients likely to develop the condition, and there are recommended techniques to reduce its incidence. Most patients with PCE are asymptomatic or only develop transient symptoms, although a few may exhibit florid cardiorespiratory manifestations which can ultimately be f
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Hu, Zhenghao, Zhi Wang, and Fujun Zhang. "Semitransparent polymer solar cells with 9.06% efficiency and 27.1% average visible transmittance obtained by employing a smart strategy." Journal of Materials Chemistry A 7, no. 12 (2019): 7025–32. http://dx.doi.org/10.1039/c9ta00907h.

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A PCE of 9.48% and AVT of 23.7% are achieved from semitransparent PSCs with PTB7-Th : IEICO-4F (1.2 : 1.5, wt/wt) as the active layer. The AVT of semitransparent PSCs is increased to 27.1% with PTB7-Th : IEICO-4F (0.8 : 1.5, wt/wt) as the active layer with a PCE of 9.06%, corresponding to over 14.3% AVT improvement and less than 4.5% PCE loss.
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Chae, Sun-Mi, and Chandice Y. Covington. "Biobehavioral Outcomes in Adolescents and Young Adults Prenatally Exposed to Cocaine: Evidence From Animal Models." Biological Research For Nursing 10, no. 4 (2009): 318–30. http://dx.doi.org/10.1177/1099800408330395.

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Cocaine has been a popular illicit drug among drug-using pregnant women over the last three decades. Prenatal cocaine exposure (PCE) has significant effects on children's development throughout early childhood. Very few human studies, however, report the effects of PCE on adolescent or early-adult development. As knowledge about early childhood effects in human children was informed by animal studies, this review considers the effects of PCE on behavioral outcomes in adolescent and young adult animals and provides potential guidance for research in human children. Animal models prenatally expo
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Sasaki, Kaito, Youichi Mihara, Yui Zennyoji, Nao Imai, Hiroshi Itou, and Hisashi Shimakoshi. "Development of Electrolytic PCE Dechlorination Technology for Groundwater Remediation." ECS Meeting Abstracts MA2025-01, no. 48 (2025): 2492. https://doi.org/10.1149/ma2025-01482492mtgabs.

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Perchloroethylene (PCE) is one of the harmful contaminants in groundwater and its degradation systems have been explored for a long time. In this study, an immobilized heptapropyl cobyrinate perchlorate (B12 derivative)[1] carbon electrode with high dechlorination properties was newly prepared by the spin coating method[2] for development of electrochemically PCE removal system. The modified electrode was characterized by SEM-EDX, ESR and CV measurement and indicates that the modified electrode has reactivity towards PCE. The constant current electrolysis(i = 20 mA) employing B12/Nafion modifi
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Liu, Jie, Gang Lu, Qing Song Wei, and Yu Sheng Shi. "Rapid Development of Novel Integrated Pressure Compensating Emitters." Applied Mechanics and Materials 457-458 (October 2013): 677–83. http://dx.doi.org/10.4028/www.scientific.net/amm.457-458.677.

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Although pressure compensating emitters (PCE) have many advantages, they are difficult to develop and very costly. Traditional PCE are composed of emitter structures and compensating diaphragms. Their manufacture is very difficult and time-consuming. In this paper, we invented novel PCE with variable flow channels, which are designed as integrated structures with pressure compensating barriers, and manufactured three of them with different structures based on the rapid prototyping/rapid tooling technology. The pressure-flow test showed their behavior indexes were 0.009, 0.008 and 0.011, respec
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Ma, Chang Wen, Sheng Wen Chen, and Hong Yong Xie. "Remediation of Perchloroethylene Contaminated Groundwater by Zero-Valent Iron Integrated with Anaerobic Microbial Community." Advanced Materials Research 807-809 (September 2013): 1579–85. http://dx.doi.org/10.4028/www.scientific.net/amr.807-809.1579.

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Previous study using batch method showed that an integrated technique using a combination of zero-valent iron and an anaerobic microbial community (FeMB) showed good degradation efficiency for perchloroethylene (PCE). In this study, a permeable reaction barrier (PRB) with FeMB as reactive media was simulated in remediation columns. It was proved that PCE was retardation adsorption and degraded in remediation columns. A mathematical model was developed and used to simulate the transport and transformation of PCE in remediation columns, and was also used to predict the fate of PCE in groundwater
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Tian, Wei, Chuanqi Zhu, Pieter de Wilde, Jiaxin Shi, and Baoquan Yin. "SENSITIVITY ANALYSIS OF BUILDING ENERGY PERFORMANCE BASED ON POLYNOMIAL CHAOS EXPANSION." Journal of Green Building 15, no. 4 (2020): 173–83. http://dx.doi.org/10.3992/jgb.15.4.173.

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ABSTRACT Global sensitivity analysis based on polynomial chaos expansion (PCE) shows interesting characteristics, including reduced simulation runs for computer models and high interpretability of sensitivity results. This paper explores these features of the PCE-based sensitivity analysis using an office building as a case study with the EnergyPlus simulation program. The results indicate that the predictive performance of PCE models is closely correlated with the stability of the sensitivity index, depending on sample number and expansion degree. Therefore, it is necessary to carefully asses
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Cao, Zigang, Yunlong Meng, Fanghua Gong, et al. "Calcineurin controls proximodistal blastema polarity in zebrafish fin regeneration." Proceedings of the National Academy of Sciences 118, no. 2 (2020): e2009539118. http://dx.doi.org/10.1073/pnas.2009539118.

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Planarian flatworms regenerate their heads and tails from anterior or posterior wounds and this regenerative blastema polarity is controlled by Wnt/β-catenin signaling. It is well known that a regeneration blastema of appendages of vertebrates such as fish and amphibians grows distally. However, it remains unclear whether a regeneration blastema in vertebrate appendages can grow proximally. Here, we show that a regeneration blastema in zebrafish fins can grow proximally along the proximodistal axis by calcineurin inhibition. We used fin excavation in adult zebrafish to observe unidirectional r
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Zhang, Yiqun, Peijie Lin, Zhicong Chen, and Shuying Cheng. "A Population Classification Evolution Algorithm for the Parameter Extraction of Solar Cell Models." International Journal of Photoenergy 2016 (2016): 1–16. http://dx.doi.org/10.1155/2016/2174573.

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To quickly and precisely extract the parameters for solar cell models, inspired by simplified bird mating optimizer (SBMO), a new optimization technology referred to as population classification evolution (PCE) is proposed. PCE divides the population into two groups, elite and ordinary, to reach a better compromise between exploitation and exploration. For the evolution of elite individuals, we adopt the idea of parthenogenesis in nature to afford a fast exploitation. For the evolution of ordinary individuals, we adopt an effective differential evolution strategy and a random movement of small
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44

Vuong Dieu, Linh, Quang Nguyen Ngoc, and Long Truong Van. "Anti-inflammatory activity of extract from Panax Pseudoginseng in macrophage cells." Journal of Health and Development Studies 07, no. 05 (2023): 25–30. http://dx.doi.org/10.38148/jhds.0705skpt22-100.

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Background: Inflammation plays an important role in the pathogenesis of various diseases such as cardiovascular diseases, arthritis, obesity and cancer. Thus, in the present study, we evaluated the anti-inflammatory effect of extract from Panax pseudoginseng (PCE) in LPS-stimulated RAW 264.7 macrophages. Materials and methods: The cells were pretreated with PCE (10, 25, 50, and 100 μg/mL) for 1 h and then treated with LPS 1 μg/mL for an additional 12 h. The concentration of nitric oxide (NO) cell culture media was measured according to the Griess method and protein expression was determined us
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Muñoz, Raül, Ramon Casellas, Ricard Vilalta, and Ricardo Martínez. "Dynamic and Adaptive Control Plane Solutions for Flexi-grid Optical Networks based on Stateful PCE." Journal of Lightwave Technology 32, no. 16 (2016): 2703–15. https://doi.org/10.5281/zenodo.57996.

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Adaptive flexi-grid optical networks should be able to autonomously decide where and when to dynamically setup, reoptimize, and release elastic optical connections, in reaction to network state changes. A stateful path computation element (PCE) is a key element for the introduction of dynamics and adaptation in generalized multiprotocol label switching (GMPLS)-based distributed control plane for flexi-grid DWDM networks (e.g., global concurrent reoptimization, defragmentation, or elastic inverse-multiplexing), as well as for enabling the standardized deployment of the GMPLS control plane in th
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Liu, Xiao, Zi Ming Wang, Xu Liang, Jie Zhu, and Jue Zhao. "Synthesis, Cement Paste Fluidities and Molecular Weight Measurements of Polycarboxylate Superplasticizer by Bulk Polymerization." Applied Mechanics and Materials 405-408 (September 2013): 2778–81. http://dx.doi.org/10.4028/www.scientific.net/amm.405-408.2778.

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The synthesis process of polycarboxylate superplasticizer (PCE) by bulk polymerization was investigated. Compared with BPO as initiator, PCE prepared by using AIBN as initiator exhibited better cement paste fluidities. PCE using isopentenyl polyethylene glycol (TPEG) or isobutenyl polyethylene glycol (IPEG) as macromonomer showed excellent fluidities and retaining properties at 80°C and 75°C, respectively. The fumaric acid was more suitable to copolymerize as the third monomer than maleic anhydride. The molecular weight measurements showed that the characteristics of molecular weight and its d
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47

Kimartha Putri and Adi Kurniawan Yusup. "The Influence of Lohas and Consumer Effectiveness on Organic Food Purchase Intention: Trust as a Mediator." Journal of Global Business and Management Review 6, no. 2 (2024): 223–38. https://doi.org/10.37253/jgbmr.v6i2.9938.

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A sustainable lifestyle has evolved since COVID-19, influencing the growth of organic food consumption in Indonesia. This growth is driven by various factors, primarily related to health and environmental concerns. This study aims to analyze the organic food purchasing intentions of Bali residents using the variables of LOHAS Consumption Tendency (LCT) and Perceived Consumer Effectiveness (PCE), with trust as a mediating factor. The Theory of Planned Behavior (TPB) is applied to formulate the hypotheses. A quantitative method is employed, with data collected through questionnaires distributed
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48

Fung, Jennifer M., Robert M. Morris, Lorenz Adrian, and Stephen H. Zinder. "Expression of Reductive Dehalogenase Genes in Dehalococcoides ethenogenes Strain 195 Growing on Tetrachloroethene, Trichloroethene, or 2,3-Dichlorophenol." Applied and Environmental Microbiology 73, no. 14 (2007): 4439–45. http://dx.doi.org/10.1128/aem.00215-07.

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ABSTRACT Reductive dehalogenase (RD) gene transcript levels in Dehalococcoides ethenogenes strain 195 were investigated using reverse transcriptase quantitative PCR during growth and reductive dechlorination of tetrachloroethene (PCE), trichloroethene (TCE), or 2,3-dichlorophenol (2,3-DCP). Cells grown with PCE or TCE had high transcript levels (greater than that for rpoB) for tceA, which encodes the TCE RD, pceA, which encodes the PCE RD, and DET0162, which contains a predicted stop codon and is considered nonfunctional. In cells grown with 2,3-DCP, tceA mRNA was less than 1% of that for rpoB
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49

Henderson, Kamal, Brystana Kaufman, Jason S. Rotter, et al. "Socioeconomic status and modification of atherosclerotic cardiovascular disease risk prediction: epidemiological analysis using data from the atherosclerosis risk in communities study." BMJ Open 12, no. 11 (2022): e058777. http://dx.doi.org/10.1136/bmjopen-2021-058777.

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ObjectiveExamine whether the relationship between the pooled cohort equations (PCE) predicted 10-year risk for atherosclerotic cardiovascular disease (ASCVD) and absolute risk for ASCVD is modified by socioeconomic status (SES).DesignPopulation-based longitudinal cohort study—Atherosclerosis Risk in Communities (ARIC)—investigating the development of cardiovascular disease across demographic subgroups.SettingFour communities in the USA—Forsyth County, North Carolina, Jackson, Mississippi, suburbs of Minneapolis, Minnesota and Washington County, Maryland.ParticipantsWe identified 9782 ARIC men
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Russo, Alessandro, Andreas Schorer, Marco Rentsch, Giuseppe Nese, Fabio Montagnaro, and Luciano Santoro. "Use of Non-Purified Polycarboxylate Ether (PCE) as Superplasticizer - Structural Determination and PCE/Cement Interaction." Recent Innovations in Chemical Engineering (Formerly Recent Patents on Chemical Engineering) 10, no. 1 (2017). http://dx.doi.org/10.2174/2405520410666170605092033.

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