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100 years of high GEM concentration in the Central Italian Herbarium and Tropical Herbarium Studies Centre(Florence,Italy)

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Journal of Environmental Sciences 2020年第1期32卷 377-388页

作者： Jacopo Cabassi Valentina Rimondi Zhang Yeqing Antonella Vacca orlando vaselli Antonella Buccianti Pilario Costagliola Department of Earth Sciences University of FlorenceVia G.La Pira4-50121 FlorenceItaly CNR-Institute of Geosciences and Earth Resources Via G.La Pira4-50121 FlorenceItaly

Up to 1980 s,the most used preservative for herbaria specimens was HgCl2,sublimating at ambient air conditions;ionic Hg then reduces to Hg0(gaseous elemental mercury,GEM)and diffuses throughout poor ventilated *** GEM levels may indeed persist for decades,representing a health *** this study,we present new GEM data from the Central Italian Herbarium and Tropical Herbarium Studies Centre of the University of Florence(Italy).These herbaria host one of the largest collection of plants in the ***,HgCl2 was documented as plant preservative up to the 1920 *** surveys were conducted in July 2013 and July and December 2017,to account for temporal and seasonal *** show GEM concentrations well above those of external locations,with peak levels within specimen storage cabinets,exceeding 50,000 ng/*** concentrations up to^7800 ng/m3 were observed where the most ancient collections are stored and no ventilation systems were *** the contrary,lower GEM concentrations were observed at the first ***,lower and more homogeneously distributed GEM concentrations were measured in 2017 than in 2013 since the air-conditioning system was updated in *** concentrations were similar to other herbaria worldwide and lower than Italian permissible exposure limit of 20,000 ng/m3(8-hr working day).Our results indicate that after a century from the latest HgCl2 treatment GEM concentrations are still high,i.e.,the treatment itself is almost *** conditioning and renewing is probably the less expensive and more effective method for GEM lowering.

关键词： Gaseous elemental mercury(GEM) Mercuric chloride Herbaria Florence Health safety

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The effects of microbial activity on the geochemistry of highly acidic crater lakes: An example from Laguna Caliente, Poas volcano (Costa Rica)

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Chinese Journal Of Geochemistry 2006年第B8期25卷 228-229页

作者： Franco Tassi orlando vaselli Erik Fernandez Eliecer Duarte Giordano Montegrossi Angelo Minissale Department of Earth Sciences Via G. La Pira 4 50121 University of Florence Italy Volcanological and Seismological Observatory National University Heredia Costa Rica CNR-Institute of Geosciences and Earth Resources Via G la Pira 4 50121 Florence Italy

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The lava lake-induced volcanic plume at Nyiragongo Volcano (DRC): Environmental effects on crop and population

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Chinese Journal Of Geochemistry 2006年第B8期25卷 71-72页

作者： orlando vaselli Franco Tassi Dario Tedesco Nisi Barbara Capaccioni Bruno Mapendano Yalire Department of Earth Sciences via G La Pira 4 50121 Florence Italy Department of Sciences Ha Vivaldi 43 81100 Caserta Italy Department of Earth and Environmental Geological Sciences R Porta San Donato 1 40126 Bologna Italy Volcanological Observatory of Goma Goma Democratic Republic of Congo

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The “CO_2-rich gas vents” of Mt. Amiata volcano (Tuscany, Central Italy): Geochemistry, genetic mechanism and hazard evaluation

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Chinese Journal Of Geochemistry 2006年第B8期25卷 70-71页

作者： Franco Tassi orlando vaselli Elena Lognoli Fabrizio Cuccoli Barbara Nisi Elena Ramaldi Sandro Moretti Luca Lombardi Bruno Capaccioni Department of Earth Sciences Via G La Pira 4 50121 University of Florence Italy U.O. CNIT Dept. Electronics ＆ Telecommunications Via di Santa Marta 3 - 50139 Florence Italy Department of Earth and Environmental Sciences P.zza Porto S. Donato 1 40126 Bologna Italy

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也门马鲁赫省万狄奥-马斯尔赫盆地内的奥克尔-奥克兰纳沉积铅锌深成硫化物

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海洋地质 2013年第1期29卷 14-15页

作者： Mohamed Ali MATTASH orlando vaselli Angelo MINISSALE

奥克尔一奥克兰纳远景勘探区范围为400km^2，该区铅锌硫化物矿化作用主要分布在瓦迪尔一马西拉盆地南部。作为哈德拉毛高原的一部分，地形特征表明该区经历了复杂的地质和构造历史，包括受与亚丁湾扩张有关的同裂谷期与后裂谷期的压扭... 详细信息

奥克尔一奥克兰纳远景勘探区范围为400km^2，该区铅锌硫化物矿化作用主要分布在瓦迪尔一马西拉盆地南部。作为哈德拉毛高原的一部分，地形特征表明该区经历了复杂的地质和构造历史，包括受与亚丁湾扩张有关的同裂谷期与后裂谷期的压扭和张扭过程。

关键词：硫化物奥克兰盆地沉积也门锌铅矿化作用

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Genetic and epigenetic targets of natural dietary compounds as anti-Alzheimer's agents

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Neural Regeneration Research 2024年第4期19卷 846-854页

作者： Willian orlando Castillo-Ordoñez Nohelia Cajas-Salazar Mayra Alejandra Velasco-Reyes Facultad de Ciencias Naturales-Exactas y de la Educación Departamento de Biología.Universidad del Cauca Departamento de Estudios Psicológicos Universidad Icesi

Alzheimer’s disease is a progressive neurodegenerative disorder and the most common cause of dementia that principally affects older *** factors,such as oxidative stress,an increase in acetylcholinesterase activity,mitochondrial dysfunction,genotoxicity,and neuroinflammation are present in this syndrome,which leads to *** pathologies such as Alzheimer’s disease are considered late-onset diseases caused by the complex combination of genetic,epigenetic,and environmental *** are two main types of Alzheimer’s disease,known as familial Alzheimer’s disease(onset<65 years)and late-onset or sporadic Alzheimer’s disease(onset≥65 years).Patients with familial Alzheimer’s disease inherit the disease due to rare mutations on the amyloid precursor protein(APP),presenilin 1 and 2(PSEN1 and PSEN2)genes in an autosomaldominantly fashion with closely 100%*** contrast,a different picture seems to emerge for sporadic Alzheimer’s disease,which exhibits numerous non-Mendelian anomalies suggesting an epigenetic component in its ***,the fundamental pathophysiological mechanisms driving Alzheimer’s disease are interfaced with epigenetic ***,the dynamic nature of epigenetics seems to open up new avenues and hope in regenerative neurogenesis to improve brain repair in Alzheimer’s disease or following injury or stroke in *** recent years,there has been an increase in interest in using natural products for the treatment of neurodegenerative illnesses such as Alzheimer’s *** epigenetic mechanisms,such as DNA methylation,non-coding RNAs,histone modification,and chromatin conformation regulation,natural compounds appear to exert neuroprotective *** we do not purport to cover every in this work,we do attempt to illustrate how various phytochemical compounds regulate the epigenetic effects of a few Alzheimer’s disease-related genes.

关键词： Alzheimer’s disease epigenetics genes methylation natural products

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Short term validated geochemical model of CO_2 sequestration

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Chinese Journal Of Geochemistry 2006年第B8期25卷 277-277页

作者： Giordano Montegrossi Barbara Cantucci Franco Tassi orlando vaselli Fedora Quattrocchi CNR - IGG Via La Pira 4 Florence 50121 Italy Dept. Earth Science Univ. of Florence Via La Pira 4 Florence 50121 Italy INGV Fluid Geochemistry Lab. Rome 1 Section Via di Vigna Murata 605 Rome 00143 Italy

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A multi-methodological approach to determine CO_2 and CH_4 fluxes and concentrations in solid waste disposal

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Chinese Journal Of Geochemistry 2006年第B8期25卷 98-98页

作者： Barbara Nisi Franco Tasssi Giordano Montegrossi orlando vaselli Fabrizio Cuccoli Luca Lombardi Sandro Moretti Dept. Earth Sciences Via G La Pira 4-50121 Florence Italy CNR-IGG G La Pira 4-50121 Florence Italy U.O. CNIT Dept. Electronics ＆ Telecommunications Ha di Santa Marta 3-50139 Florence Italy

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Enhanced photoluminescence of a microporous quantum dot color conversion layer by inkjet printing

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Nano Research 2024年第8期17卷 7717-7725页

作者： Junchi Chen Qihao Jin Yidenekachew.J.Donie orlando.T.Perales Dmitry Busko Bryce.S.Richards Uli Lemmer Light Technology Institute(LTI) Karlsruhe Institute of Technology(KIT)Engesserstrasse 1376131 KarlsruheGermany Department of Chemical Engineering and Materials Science University of Minnesota(UMN)421 Washington Ave.SEMinneapolisMN 55455-0132USA Institute for Microstructure Technology Karlsruhe Institute of Technology(KIT)Hermann-von-Helmholtz-Platz 176344 Eggenstein-LeopoldshafenGermany

Owing to their high color purity,tunable bandgap,and high efficiency,quantum dots(QDs)have gained significant attention as color conversion materials for high-end display ***,inkjet-printed QD pixels show great potential for realizing full-color mini/micro-light emitting diode(micro-LED)-based *** a color conversion layer,the photoluminescence intensity of QDs is limited by the insufficient absorptance of the excitation light due to the lack of *** scatterers,such as titanium dioxide microparticles,have been applied after additional surface engineering for sufficient dispersity to prevent nozzle clogging in inkjet printing *** our work,as an alternative approach,we use inkjet printing for depositing a phase separating polymer ink based on polystyrene(PS)and polyethylene glycol(PEG).QD/polymer composite pixels with scattering micropores are *** morphology of the micropores can be tailored by the weight ratio between PS and PEG which enables the manipulation of scattering *** the presence of the microporous structure,the photoluminescence intensity of the QD film is enhanced by 110%in drop-cast films and by 35.3%in inkjet-printed QD pixel arrays compared to the reference samples.

关键词： porous structure inkjet printing phase separation quantum dots display technology

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Liquid metal compartmented by polyphenol-mediated nanointerfaces enables high-performance thermal management on electronic devices

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InfoMat 2024年第1期6卷 83-95页

作者： Chaojun Zhang Yang Tang Tianyu Guo Yizhou Sang Ding Li Xiaoling Wang orlando J.Rojas Junling Guo BMI Center for Biomass Materials and Nanointerfaces College of Biomass Science and EngineeringSichuan UniversityChengduSichuanthe People's Republic of China Bioproducts Institute Departments of Chemical and Biological EngineeringThe University of British ColumbiaVancouverBritish ColumbiaCanada Institute of Development Studies Southwestern University of Finance and EconomicsChengduSichuanthe People's Republic of China National Engineering Laboratory for Clean Technology of Leather Manufacture Sichuan UniversityChengduSichuanthe People's Republic of China State Key Laboratory of Polymer Materials Engineering Sichuan UniversityChengduSichuanthe People's Republic of China

The exponentially increasing heat generation in electronic devices,induced by high power density and miniaturization,has become a dominant issue that affects carbon footprint,cost,performance,reliability,and *** metals(LMs)with high thermal conductivity are promising candidates for effective thermal management yet are facing pump-out and surface-spreading *** in the form of metallic particles can address these problems,but apparent alloying processes elevate the LM melting point,leading to severely deteriorated ***,we propose a facile and sustainable approach to address these challenges by using a biogenic supramolecular network as an effective diffusion barrier at copper particle-LM(EGaIn/Cu@TA)interfaces to achieve superior thermal *** supramolecular network promotes LM stability by reducing unfavorable alloying and fluidity *** EGaIn/Cu@TA exhibits a record-high metallic-mediated thermal conductivity(66.1 W m^(-1) K^(-1))and fluidic ***,mechanistic studies suggest the enhanced heat flow path after the incorporation of copper particles,generating heat dissipation suitable for computer central processing units,exceeding that of commercial *** results highlight the prospects of renewable macromolecules isolated from biomass for the rational design of nanointerfaces based on metallic particles and LM,paving a new and sustainable avenue for high-performance thermal management.

关键词： Electronic devices High thermal conductivity Liquid metals Natural polyphenols Thermal management

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