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Adsorption of Pharmaceuticals and Personal Care Products on Granular Activated Carbon

Journal of Surface Engineered Materials and Advanced Technology 2016年第4期6卷 183-200页

作者： nasly y. delgado Alberto L. Capparelli Damián J. Marino Agustín F. Navarro Gustavo A. Peñuela Alicia E. Ronco Centro de Investigaciones del Medio Ambiente Facultad de Ciencias Exactas Universidad Nacional de la Plata (UNLP) La Plata Argentina Consejo Nacional de Investigaciones Científicas y.Técnicas La Plata Argentina División Fisicoquímica Facultad de Ciencias Exactas UNLP La Plata Argentina Departamento de Ingeniería Química Facultad de Ingeniería UNLP La Plata Argentina Grupo GDCON Universidad de Antioquia Medellín Colombia

We investigated the adsorption to granular activated carbon of two pharmaceuticals (carbamazepine and sildenafil citrate) and a personal-care product (methy.paraben) in aqueous solution, characterized the carbon, and evaluated its influence on the kinetics and adsorption equilibrium of the compounds under study. We adjusted data for the analy.is of equilibrium to Langmuir and Freundlich models of adsorption isotherms and described adsorption rate using pseudo first- and second-order models;that same analy.is was made on the basis of the behavior of the initial rate. In addition, we analy.ed the potentiality.of a nonlinear adjustment for study.ng kinetics and equilibrium of adsorption, an approach requiring neither knowledge of equilibrium conditions nor a-priori hy.othetical suppositions regarding the order of reaction. The results indicated that the nonlinear model was capable of describing adsorption kinetic behavior, in order to determine concentrations adsorbed at equilibrium, adsorption rates of the sy.tem, maximum adsorption capacity. and global rate constant. Granular carbon exhibited an adsorption capacity.for carbamazepine and methy.paraben of ca. 323 mg/g and for sildenafil citrate of ca. 142 mg/g, though with slow adsorption kinetics characterized by.average adsorption times of at least 168 h.

关键词： Activated Carbon Carbamazepine Sildenafil Citrate Methy.paraben Adsorption

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Spatial and temporal patterns of forest fires in the Central Monte:relationships with regional climate

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Ecological Processes 2024年第1期13卷 66-79页

作者： Pablo Eugenio Villagra Erica Cesca Leandro Manuel Alvarez Silvia delgado Ricardo Villalba Instituto Argentino de Nivología Glaciología y.Ciencias Ambientales–CONICET-CCT Mendoza Facultad de Ciencias Agrarias Universidad Nacional de Cuy.

Background Natural and anthropogenic wildfires burn large areas of arid and semi-arid forests with significant socio-economic and environmental impacts. Fire regimes are controlled by.climate, vegetation ty.e, and anthropogenic factors such as ignition sources and human-induced disturbances. Projections of climate and land-use change suggest that these controlling factors will change, altering fire regimes in the near future. In the southern Central Monte, Mendoza, Argentina, the factors that modulate the fire temporal and spatial variability.are poorly.understood. We reconstructed the fire history.of southeast of Mendoza from 1984 to 2023 and investigated the relationships between fire extent and climate variability.at seasonal and interannual scales. Burned areas were determined using Google Earth Engine by.processing Landsat 5-TM, Landsat 7-ETM+, and Landsat 8-OLI-TIRS sensor *** The region exhibited high spatial and temporal variability.in fire occurrence, being a mosaic of areas with different fire histories and recovery.times. Between 1985 and 2023, fire recurrence ranged from sites unburned to sites with up to 14 fires. The occurrence of large fires was strongly.favored by.a combination of a y.ar with abundant spring–early.summer precipitation, which favors fuel accumulation, followed by.a y.ar of low spring–early.summer precipitation. Precipitation and burnt area showed a very.pronounced 6–7 y.ar cy.le, suggesting a dominant climatic control on fire *** Fire distribution in southeastern Mendoza forests is not homogeneous, resulting in a mosaic of patches with different fire histories. This heterogeneity.may.be related to vegetation patterns and land use. The temporal variability.of fires is strongly.influenced by.climate variability. which would promote fuel production and subsequent dry.ng. Large fires are concentrated in periods of high interannual precipitation variability. Climate change scenarios predict an increase in tem

关键词： Fire recurrence Fire mapping Recovery.time Climate Dry.forest Wildfire

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Impact of device resistances in the performance of graphene‑based terahertz photodetectors

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Frontiers of Optoelectronics 2024年第2期17卷 87-97页

作者： O.Castelló Sofía M.López Baptista K.Watanabe T.Taniguchi E.Diez J.E.Velázquez-Pérez y.M.Meziani J.M.Caridad J.A.delgado-Notario Department of Applied Phy.ics University of Salamanca37008 SalamancaSpain Unidad de Excelencia en Luz y.Materia Estructurada(LUMES) University of Salamanca37008 SalamancaSpain Research Center for Electronic and Optical Materials National Institute for Materials Science1-1 NamikiTsukuba 305-0044Japan Research Center for Materials Nanoarchitectonics National Institute for Materials Science1-1 NamikiTsukuba 305-0044Japan Nanotechnology.Group USAL-NanolabUniversity of Salamanca37008 SalamancaSpain

In recent y.ars,graphene field-effect-transistors(GFETs)have demonstrated an outstanding potential for terahertz(THz)photodetection due to their fast response and *** features are essential to enable emerging THz applications,including 6G wireless communications,quantum information,bioimaging and ***,the overall performance of these photodetectors may.be utterly.compromised by.the impact of internal resistances presented in the device,so-called access or parasitic *** this work,we provide a detailed study.of the influence of internal device resistances in the photoresponse of high-mobility.dual-gate GFET *** dual-gate architectures allow us to fine tune(decrease)the internal resistance of the device by.an order of magnitude and consequently.demonstrate an improved responsivity.and noise-equivalent-power values of the photodetector,*** results can be well understood by.a series resistance model,as shown by.the excellent agreement found between the experimental data and theoretical *** findings are therefore relevant to understand and improve the overall performance of existing high-mobility.graphene photodetectors.

关键词： Graphene THz Photodetector Field-effect transistor Plasmonic

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Context-dependent role of sirtuin 2 in inflammation

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Neural Regeneration Research 2025年第3期20卷 682-694页

作者： NoemíSola-Sevilla Maider Garmendia-Berges MCarmen Mera-delgado Elena Puerta Department of Pharmaceutical Sciences Division of PharmacologySchool of Pharmacy and NutritionUniversity of NavarraPamplonaSpain Navarra Institute for Health Research(IdiSNA) PamplonaSpain

Sirtuin 2 is a member of the sirtuin family.nicotinamide adenine dinucleotide(NAD~+)-dependent deacety.ases, known for its regulatory.role in different processes, including inflammation. In this context, sirtuin 2 has been involved in the modulation of key.inflammatory.signaling pathway. and transcription factors by.deacety.ating specific targets, such as nuclear factor κB and nucleotide-binding oligomerization domain-leucine-rich-repeat and py.in domain-containing protein 3(NLRP3). However, whether sirtuin 2-mediated pathway. induce a pro-or an anti-inflammatory.response remains controversial. Sirtuin 2 has been implicated in promoting inflammation in conditions such as asthma and neurodegenerative diseases, suggesting that its inhibition in these conditions could be a potential therapeutic strategy. Conversely. arthritis and ty.e 2 diabetes mellitus studies suggest that sirtuin 2 is essential at the peripheral level and, thus, its inhibition in these pathologies would not be recommended. Overall, the precise role of sirtuin 2 in inflammation appears to be context-dependent, and further investigation is needed to determine the specific molecular mechanisms and downstream targets through which sirtuin 2 influences inflammatory.processes in various tissues and pathological conditions. The present review explores the involvement of sirtuin 2 in the inflammation associated with different pathologies to elucidate whether its pharmacological modulation could serve as an effective strategy.for treating this prevalent sy.ptom across various diseases.

关键词： interferon inflammation lipopoly.accharide neuroinflammation NLRP3 nuclear factorκB sirtuin 2

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Loggerhead Sea Turtles Hand-Reared in Captivity. Isotopic Insights into Their Inherent Dietary.Variation

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Open Journal of Ecology 2024年第5期14卷 435-454页

作者： Brenda Natasha Mejía-Guarnizo Carlos Julio Polo-Silva Guiomar Aminta Jauregui-Romero Antonio delgado-Huertas Centro de Investigaciones en Ciencias Marinas (CICIMAR-IPN) La Paz M&#233xico Marine Biology.Program Faculty of Natural Sciences and Engineering Jorge Tadeo Lozano University Santa Marta Colombia Sharky.Management and Consulting Oldsmar FL USA Programa de Conservació n de Tortugas y Mam&#237feros Marinos (ProCTMM) Santa Marta Colombia Instituto Andaluz de Ciencias de la Tierra (CSIC-UGR) Armilla Spain

Stable isotope analy.is is a widely.used method for gathering ecological insights into the diet and feeding habitats of various species. While captive studies often limit lethal sampling and differ from wild conditions, they.offer valuable insights into inherent isotopic variations among individuals, which are often assumed to reflect differences between natural populations. In the Sea Turtle Conservation Program, loggerhead turtle hatchlings from different nests were fed. Necropsies were conducted on turtles that died during this period, obtaining bone fragments for analy.is. We evaluated the isotopic variation of carbon (δ13C) and nitrogen (δ15N) in bone tissue across six turtle nests (n = 66 samples) and assessed differences in Straight Carapace Length (SCL, n = 71 samples). Using SIBER and nicheROVER in R, we calculated niche width and overlap, while the simmr package determined primary.prey.assimilation. Despite feeding the hatchlings the same prey. we observed variations in nitrogen isotope assimilation between nests. Nests 4 and 6 had a niche width >1.8‰, indicating consistent consumption frequencies across all prey.and >70% niche overlap with other nests. In contrast, nests 1 and 2 showed a narrower niche width (Mugil sp. constituted the primary.diet component (>40%) across all groups. This study.demonstrates how factors like competition or prey.preference can influence the assimilation of diet, even when the source remains constant (inherent variation).

关键词： Stable Isotopes Caretta caretta Head-Starting Nests Straight Carapace Length

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Debary.my.es hansenii supplementation in low fish meal diets promotes growth,modulates microbiota and enhances intestinal condition in juvenile marine fish

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Journal of Animal Science and Biotechnology 2024年第1期15卷 253-276页

作者： Ignasi Sanahuja Alberto Ruiz Joana P.Firmino Felipe E.Rey.s-López Juan B.Ortiz-delgado Eva Vallejos-Vidal Lluis Tort Dariel Tovar-Ramírez Isabel M.Cerezo Miguel A.Moriñigo Carmen Sarasquete Enric Gisbert Aquaculture Program Institute of Agrifood Research and Technology(IRTA)La Rapita 43540Spain Centro de Biotecnologia Acuicola Universidad de Santiago de ChileSantiagoChile Instituto de Ciencias Marinas de Andalucia(ICMAN-CSIC) Avda.Republica Saharaui no 2Campus Universitario Rio San PedroPuerto RealCadiz 11510Spain Nucleo de Investigaciones Aplicadas en Ciencias Veterinarias y.Agronomicas Facultad de Medicina Veterinaria y AgronomiaUniversidad de Las AmericasSantiagoChile Department of Cell Biology Physiologyand ImmunologyUniversitat Autonoma de BarcelonaBarcelonaSpain Centro de Investigaciones Biologicas del Noroeste SC CIBNORLa PazMexico Department of Microbiology Instituto de Biotecnologia Y Desarrollo Azul(IBYDA)Faculty of SciencesUniversity of Malaga29010 MalagaSpain SCBI Bioinformatic UnitUniversity of Malaga29590 MalagaSpain

Background The development of a sustainable business model with social acceptance,makes necessary.to develop new strategies to guarantee the growth,health,and well-being of farmed *** hansenii is a y.ast species that can be used as a probiotic in aquaculture due to its capacity.to i)promote cell proliferation and differen-tiation,ii)have immunostimulatory.effects,iii)modulate gut microbiota,and/or iv)enhance the digestive *** provide inside into the effects of *** on juveniles of gilthead seabream(Sparus aurata)condition,we inte-grated the evaluation of the main key.performance indicators coupled with the integrative analy.is of the intestine condition,through histological and microbiota state,and its transcriptomic *** After 70 day. of a nutritional trial in which a diet with low levels of fishmeal(7%)was supplemented with 1.1%of ***(17.2×10^(5) CFU),an increase of ca.12%in somatic growth was observed together with an improve-ment in feed conversion in fish fed a y.ast-supplemented *** terms of intestinal condition,this probiotic modu-lated gut microbiota without affecting the intestine cell organization,whereas an increase in the staining intensity.of mucins rich in carboxy.ated and weakly.sulphated gly.oconjugates coupled with changes in the affinity.for certain lectins were noted in goblet *** in microbiota were characterized by.the reduction in abundance of several groups of Proteobacteria,especially.those characterized as opportunistic *** microarray.-based transcrip-tomic analy.is found 232 differential expressed genes in the anterior-mid intestine of ***,that were mostly.related to metabolic,antioxidant,immune,and sy.biotic *** Dietary.administration of *** enhanced somatic growth and improved feed efficiency.param-eters,results that were coupled to an improvement of intestinal condition as histochemical and transcriptomic tools *** probiotic y.

关键词： Debary.my.es hansenii Intestine condition Low fish meal diet Microbiota Transcriptomics y.ast probiotic

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Promotion of structural plasticity.in area V2 of visual cortex prevents against object recognition memory.deficits in aging and Alzheimer's disease rodents

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Neural Regeneration Research 2024年第8期19卷 1835-1841页

作者： Irene Navarro-Lobato Mariam Masmudi-Martín Manuel F.López-Aranda Juan F.López-Téllez Gloria delgado Pablo Granados-Durán Celia Gaona-Romero Marta Carretero-Rey.Sinforiano Posadas María E.Quiros-Ortega Zafar U.Khan Laboratory.of Neurobiology Centro de Investigaciones Médico Sanitarias(CIMES)University of MalagaMalagaSpain Department of Medicine Faculty of MedicineUniversity of MalagaMalagaSpain Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas(CIBERNED) Institute of Health Carlos IIIMadridSpain the Donders Institute for Brain Cognition and Behaviour Radboud UniversityNijmegenThe Netherlands the Brain Metastasis Group National Cancer Research Centre(CNIO)MadridSpain the Department of Neurobiology University of California-Los AngelesLos AngelesCAUSA

Memory.deficit,which is often associated with aging and many.psy.hiatric,neurological,and neurodegenerative diseases,has been a challenging issue for *** till now,all potential drug candidates have failed to produce satisfa ctory.***,in the search for a solution,we found that a treatment with the gene corresponding to the RGS14414protein in visual area V2,a brain area connected with brain circuits of the ventral stream and the medial temporal lobe,which is crucial for object recognition memory.ORM),can induce enhancement of *** this study.we demonstrated that the same treatment with RGS14414in visual area V2,which is relatively.unaffected in neurodegenerative diseases such as Alzheimer s disease,produced longlasting enhancement of ORM in y.ung animals and prevent ORM deficits in rodent models of aging and Alzheimer’s ***,we found that the prevention of memory.deficits was mediated through the upregulation of neuronal arbo rization and spine density.as well as an increase in brain-derived neurotrophic factor(BDNF).A knockdown of BDNF gene in RGS14414-treated aging rats and Alzheimer s disease model mice caused complete loss in the upregulation of neuronal structural plasticity.and in the prevention of ORM *** findings suggest that BDNF-mediated neuronal structural plasticity.in area V2 is crucial in the prevention of memory.deficits in RGS14414-treated rodent models of aging and Alzheimer’s ***,our findings of RGS14414gene-mediated activation of neuronal circuits in visual area V2 have therapeutic relevance in the treatment of memory.deficits.

关键词： behavioral performance brain-derived neurotrophic factor cognitive dy.function episodic memory memory.circuit activation memory.deficits memory.enhancement object recognition memory prevention of memory.loss regulator of G protein signaling

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Impact of device resistances in the performance of graphene-based terahertz photodetectors

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Frontiers of Optoelectronics 2024年第2期 89-99页

作者： óscar Castelló Sofía M.López Baptista Kenji Watanabe Takashi Taniguchi Enrique Diez Jesús Enrique Velázquez-Pérez y.hy. M.Meziani José M.Caridad Juan A.delgado-Notario Department of Applied Phy.ics University of Salamanca Unidad de Excelencia en Luz y.Materia Estructurada(LUMES) University of Salamanca Research Center for Electronic and Optical Materials National Institute for Materials Science Research Center for Materials Nanoarchitectonics National Institute for Materials Science Nanotechnology.Group USAL–Nanolab University of Salamanca

In recent y.ars, graphene field-effect-transistors(GFETs) have demonstrated an outstanding potential for terahertz(THz) photodetection due to their fast response and high-sensitivity. Such features are essential to enable emerging THz applications, including 6G wireless communications, quantum information, bioimaging and security. However, the overall performance of these photodetectors may.be utterly.compromised by.the impact of internal resistances presented in the device, so-called access or parasitic resistances. In this work, we provide a detailed study.of the influence of internal device resistances in the photoresponse of high-mobility.dual-gate GFET detectors. Such dual-gate architectures allow us to fine tune(decrease) the internal resistance of the device by.an order of magnitude and consequently.demonstrate an improved responsivity.and noise-equivalent-power values of the photodetector, respectively. Our results can be well understood by.a series resistance model, as shown by.the excellent agreement found between the experimental data and theoretical calculations. These findings are therefore relevant to understand and improve the overall performance of existing high-mobility.graphene photodetectors.

关键词：

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Abiotic and biotic drivers of struvite solubilization in contrasting soils

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Pedosphere 2023年第6期33卷 828-837页

作者： Antonio RUIZ-NAVARRO Manuel delgado-BAQUERIZO Concha CANO-DíAZ Carlos GARCíA Felipe BASTIDA Centro de Edafologia y.Biologia Aplicada del Segura Consejo Superior de Investigaciones Cientificas(CEBAS-CSIC)Department of Soil and Water ConservationEspinardoMurcia E-30100Spain ICL Specialty.Fertilizers Iberia TotanaMurcia E-30850Spain Laboratorio de Biodiversidad y.Funcionamiento Ecosistemico Instituto de Recursos Naturales y Agrobiologia de Sevilla(IRNAS)CSICAv.Reina Mercedes 10Sevilla E-41012Spain IRNAS-CSIC Unidad Asociada Universidad Pablo de OlavideUniversidad Pablo de Olavide(UPO)Sevilla 41013Spain Centre for Research and Development in Agrifood Sy.tems and Sustainability.CISAS) Instituto Politecnico de Viana do Castelo(IPVC)Rua Escola Industrial e Comercial Nun'Alvares 34Viana do Castelo 4900-347Portugal

Phosphorus(P) limitation in the coming decades calls for the utilization of alternative fertilizers in agriculture. Struvite is a promising P source, but its potential role as a fertilizer is dependent on different phy.ical, chemical, and biological properties, which are very.heterogeneous in soil, complicating the prediction of the best soil conditions for its application. Here, we evaluated the solubility.of struvite in soil, its redistribution into P fractions, and its potential abiotic and biotic drivers in 62 globally.distributed soils with contrasting properties through an incubation assay. We found that after 40 d, about 35% of struvite P was redistributed into soil fractions more accessible to plants and microbes. Phosphorus redistribution from struvite was driven by.a complex suite of soil phy.ical, chemical, and microbial properties as well as environmental factors that varied across soils. Soil texture play.d a critical role in determining the redistribution of P in struvite-amended soils in soluble(H2O extraction), labile(NaHCO3 extraction), and moderately.labile(NaOH extraction) *** addition, the soil solution cation concentration was one of the most important drivers of available struvite-derived P fractions. The great importance of texture and cations in determining struvite-derived P fractions in soil was contrasted with the relatively.minor role of pH. At the microbial level, the number of bacterial operational taxonomic units(OTUs) from the unfertilized soils that correlated with struvite-derived P fractions was higher than that of fungi. The number of OTUs that correlated with the struvite-derived soluble P fraction was dominated by.fungi, whereas the number of OTUs that correlated with the struvite-derived labile P fraction was dominated by.bacteria. Overall, this study.provided a predictive framework for the potential use of struvite as a P fertilizer in contrasting soils.

关键词： bacteria fungi environmental factor operational taxonomic unit phosphorus fertilizer phosphorus fraction phosphorus solubilization soil fertility soil property

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Topical Calendula officinalis *** inflammatory.pain through antioxidant,anti-inflammatory.and peripheral opioid mechanisms

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Journal of Integrative Medicine 2023年第1期21卷 34-46页

作者： Bárbara B.Garrido-Suárez Gabino Garrido Addis Bellma Menéndez Nelson Merino Odaly. Valdés Nilia de la Paz Ay.ema Romero Livan delgado Miguel D.Fernández Octavio Piñeros Renédelgado-Hernández Pharmacology.and Toxicology Chemical Analytic and Pharmaceutical Technology LaboratoriesCenter for Pharmaceutical Research and Development(CIDEM)Havana 10600Cuba Department of Pharmacology Institute of Marine Science(ICIMAR)Havana 10300Cuba Department of Pharmaceutical Sciences Faculty of SciencesCatholic University of the NorthAntofagasta 1240000Chile Research Department University of Santiago de CaliCali 760032Colombia Center for Research and Biological Evaluations Institute of Pharmacy and FoodUniversity of HavanaHavana 17100Cuba

Objective The present study.evaluated the antinociceptive activity.of Calendula officinalis L.(Ca)cream on inflammatory.*** Creams with different Ca concentrations were tested for their ability.to ameliorate pain-related behavior and edema in rats using formalin test,carrageenan(Cg)-induced acute inflammation model,brady.inin(BK)-induced acute inflammation model,and complete Freund’s adjuvant(CFA)-induced chronic inflammation *** the formalin test,we also examined the implication of peripheral opioid receptors in the antinociceptive mechanisms of Ca cream,by.means of Q-naloxone,a peripherally.acting nonselective opioid ***,the effects of Ca cream compared with diclofenac on BK-induced edema were examined when the kininase II in tissue was preserved or inhibited by.*** local production of redox biomarkers in formalin model,tumor necrosis factor-α(TNF-α)in Cg model and histopathological changes in CFA model were also *** A single application of Ca cream at a dose of 10%or 30%(w/w)decreased the formalin-induced licking/biting behavior during both phases of this test in a Q-naloxone-sensitive *** effect was associated with the reduction of oxidative stress in the injured paw and the edema associated with the later phase of formalin-induced pain.A single application of Ca cream(10%or 30%)reduced paw edema and thermal hy.ernociception in Cg-induced acute inflammation,corresponding with a local decrease in TNF-α.Ca cream also inhibited BK-induced spontaneous nociceptive behavior and paw inflammation in both paradigms *** applications of Ca cream also decreased CFA-induced chronic inflammation,mechanical hy.ernociception and histopathological changes in the *** These results reveal the topical antinociceptive and antiedematogenic effects of Ca cream.A modulatory.action on peripheral opioid receptors associated with its antioxidant mechanism may.be involved,at least in par

关键词： Calendulaofficinalis L. Formalintest Pain Hy.eralgesia Inflammation

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