Dinocyst microlaminations and freshwater "red tides" recorded in Lake Xiaolongwan, northeastern China

Abstract  We reported a special type of lamination formed in the sediments of Lake Xiaolongwan, northeastern China. The lamination consists of light- and brown-colored laminate couplets in the thin sections. The brown-colored layer is co

Identification of estrogenic and antiestrogenic activities of respirable diesel exhaust particles by bioassay-directed fractionation

Abstract  Bioassay-directed fractionation was performed to identify causative chemical groups of DEPs with estrogenic and antiestrogenic activities. Bioassay-directed fractionation consists of a cell bioassay (E-SCREEN) in conjunction wi

Structure and oil and gas perspectives of the Californian borderland

Abstract  The Californian borderland is the largest oil and gas region of the Pacific coast of the United States. Here, a series of large and minor sedimentary basins with established or inferred oil and gas bearing properties are recogn

Non-invasive 3d magnetic resonance thermal mapping: determination of the lesion size during laser-therapy in ex vivo tissues

Abstract Object   Developments in open magnetic resonance imaging (MRI) magnets have made possible the use of reproducible thermosensitive sequences to determine temperature distributio

Detrital, metamorphic and metasomatic tourmaline in high-pressure metasediments from Syros (Greece): intra-grain boron isotope patterns determined by secondary-ion mass spectrometry

Abstract  The boron isotopic composition of zoned tourmaline in two metasediments from the island of Syros, determined by secondary-ion mass spectrometry (SIMS), reflects the sedimentary and metamorphic record of the rocks. Tourmaline fr

Gene expression in diplosporous and sexual Eragrostis curvula genotypes with differing ploidy levels

Abstract  The molecular nature of gene expression during the initiation and progress of diplosporous apomixis is still unknown. Moreover, the basis of the close correlation between diplospory and polyploidy is not clarified yet. A compar

A model for radial dike emplacement in composite cones based on observations from Summer Coon volcano, Colorado, USA

Abstract  We mapped the geometry of 13 silicic dikes at Summer Coon, an eroded Oligocene stratovolcano in southern Colorado, to investigate various characteristics of radial dike emplacement in composite volcanoes. Exposed dikes are up t

EPR Study of Fe3+- and Ni2+-Doped Macroporous CaSiO3 Ceramics

Abstract.  Thermally stable macroporous CaSiO3, Fe3+- and Ni2+-doped (0.5 to 5 mol%) ceramics have been prepared by solution combustion process by mixing respective metal nitrates (oxidizers), fumed silica. Diformol hydrazine is used as

Preparation of two kinds of chloromethylated polystyrene particle using 1,4-bis (chloromethoxy) butane as chloromethylation reagent

Abstract  By adopting “grafting from” manner, polystyrene was grafted onto the surface of silica gel particles with an average size of 125 μm in a solution polymerization system, and grafted particle PSt/SiO2 was pr

Direct Solvothermal Formation of Nanocrystalline TiO2 on Porous SiO2 Adsorbent and Photocatalytic Removal of Nitrogen Oxides in Air over TiO2–SiO2 Composites

Abstract  Solvothermal decomposition of titanium(IV) tert-butoxide (TTB) in toluene at 573 K in the presence of silica gel (SiO2) with continuous stirring yielded a titanium(IV) oxide (TiO2)–SiO2 composite in which agglomerates of nan

Mineralogical and fluid inclusion constraints on the evolution of the Plaka intrusion-related ore system, Lavrion, Greece

Summary  The intrusion-centered, polymetallic Plaka ore system, Lavrion, Greece, is genetically related to the emplacement of a Miocene biotite ± hornblende granodioritic body and granodiorite porphyry dikes/sills within metamorphic Mes

Quaternary adakite—Nb-enriched basalt association in the western Trans-Mexican Volcanic Belt: is there any slab melt evidence?

Abstract  A spatial and temporal association between adakitic rocks and Nb-enriched basalts (NEB) is recognised for the first time in the western sector of the Trans-Mexican Volcanic Belt in the San Pedro–Cerro Grande Volcanic Comp

Novel synonymous substitution in POMGNT1 promotes exon skipping in a patient with congenital muscular dystrophy

Abstract  Walker-Warburg syndrome, muscle-eye-brain disease, Fukuyama congenital muscular dystrophy, congenital muscular dystrophy type 1C, and congenital muscular dystrophy type 1D are overlapping clinical entities belonging to a subgro

The effect of bacteria and fungi on chemical weathering and chemical denudation fluxes in pine growth experiments

Abstract  Vascular plants and associated microbial communities affect the nutrient resources of terrestrial ecosystems by impacting chemical weathering that transfers elements from primary minerals to other ecosystem pools, and chemical

Liquid immiscibility in deep-seated magmas and the generation of carbonatite melts

Abstract  This paper reviews the results of investigations of melt inclusions in minerals of carbonatites and spatially associated silicate rocks genetically related to various deep-seated undersaturated silicate magmas of alkaline ultra

Characterization and comparison of intron structure and alternative splicing between Medicago truncatula , Populus trichocarpa , Arabidopsis and rice

Abstract  Alignment of transcripts and genome sequences yielded a set of alternatively spliced transcripts in four angiosperm genomes: three dicotyledon species Medicago truncatula (Medicago), Populus trichocarpa (poplar) and Arabidopsis

Effects of copper on energy metabolism and larval development in the midge Chironomus riparius

Abstract  When spiked in sediments, copper is known to reduce growth of Chironomus riparius larvae and the production of eggs by adult females. The aim of this work was to better understand the origin of these phenomena by studying the e

Is MSH2 a breast cancer susceptibility gene?

Abstract  Mutations in the DNA mismatch repair gene MSH2 lead to increased replication error and microsatellite instability and account for a substantial proportion of hereditary non-polyposis colorectal cancer (Lynch syndrome). A recent

Liquid polyamorphism: Possible relation to the anomalous behaviour of water

Abstract.  We present evidence from experiments and computer simulations supporting the hypothesis that water displays polyamorphism, i.e., water separates into two distinct liquid phases. This concept of a new liquid-liq

Gene expression analysis at the onset of aposporous apomixis in Paspalum notatum

Abstract  Apomixis is a route of asexual reproduction through seeds, that progresses in the absence of meiosis and fertilization to generate maternal clonal progenies. Gametophytic apomicts are usually polyploid and probably arose from s

Sequential injection multi-optosensor based on a dual-luminescence system using two sensing zones: application to multivitamin determination

Abstract.  The coupling of sequential injection analysis (SIA) and solid-phase spectroscopy (SPS) with luminescence detection is carried out with a novel characteristic: the use of two different detection techniques in the same system, t

Multiple ecological and hydrological changes recorded in varved sediments from Sanagak Lake, Nunavut, Canada

Abstract  A combination of biotic, sedimentary and biogeochemical proxies was used to investigate the timing and causes of post-18th century changes in the stratigraphic record of a large, deep lake on the Boothia Peninsula, Nunavut, Can

Laghi di Monticchio (Southern Italy, Region Basilicata): genesis of sediments—a geochemical study

Abstract  The sedimentation record of Lago Grande di Monticchio (LGM) is one of the most prominent paleoclimatic archives in the non-glaciated areas of Europe. However, the modern lake system has never been the subject of intense limnolo

A statistical approach to disentangle environmental forcings in a lacustrine record: the Lago Chungará case (Chilean Altiplano)

Abstract  A high resolution multiproxy study (magnetic susceptibility, X-ray diffraction, XRF scanner, gray-colour values, Total Organic Carbon, Total Inorganic Carbon, Total Carbon and Total Biogenic Silica) of the sedimentary infill of

Sedimentary diatoms along a temporal and spatial gradient of metal contamination

Abstract  We examined changes at the community and population level of sedimentary diatoms over a wide temporal and spatial gradient of metal pollution encountered in cores from three lakes in the Abitibi mining region (Québec, Canada).

Abrasive und hydrophil/lipophile Effekte unterschiedlicher inerter St?ube im Einsatz gegen Schadinsekten am Beispiel des Kornk?fers Sitophilus granarius L.

Zusammenfassung  Die insektizide Wirkung inerter St?ube ist bereits seit Jahrhunderten bekannt. Jedoch wurde der genaue Wirkmechanismus vieler St?ube erst in den letzten Jahrzehnten untersucht. Die insektizide Eigenschaft von Diatomeenerde, hier

The quantitative analysis of OH in vesuvianite: a polarized FTIR and SIMS study

Abstract  A well-characterized suite of vesuvianite samples from the volcanic ejecta (skarn or syenites) from Latium (Italy) was studied by single-crystal, polarized radiation, Fourier-transform infrared (FTIR) spectroscopy and secondary-ion mas

Interfacing capillary electrophoresis and surface-enhanced resonance Raman spectroscopy for the determination of dye compounds

Abstract  The at-line coupling of capillary electrophoresis (CE) and surface-enhanced resonance Raman spectroscopy (SERRS) was optimized for the separation and subsequent spectroscopic identification of charged analytes (dye compounds). Raman sp

Changes in morphology and physiology of an East Mediterranean sponge in different habitats

Abstract  The sponge Tetilla sp. (Tetractinomorpha: Tetillidae) is a common species in the eastern Mediterranean. This sponge inhabits four different habitat types differing in wave impact and irradiance levels. Two of these habitats (a shallow

Nutrient fluxes and water quality in the drainage network of the Scheldt basin over the last 50?years

Abstract  and use and urban activity in the catchment of the Scheldt river system have deeply changed during the last 50 years, modifying in turn the water quality of the drainage network and the fluxes of nutrient transferred to the estuar

Fe–Al–organic Colloids Control of Trace Elements in Peat Soil Solutions: Results of Ultrafiltration and Dialysis

Abstract  Size fractionation of ~40 major and trace elements (TE) in peat soil solutions from the Tverskaya region (Russia) has been studied using frontal filtration and ultrafiltration through a progressively decreasing pore size (5, 2.

The Direct Shear Strength and Dilatancy of Sand–gravel Mixtures

Abstract  A total of 87 direct shear tests in a large direct shear-box apparatus have been used to investigate the strength and dilatancy of sand–gravel mixtures. This paper focuses on the differences in behaviour between a silica

The Status and Characteristics of Eutrophication in the Yangtze River (Changjiang) Estuary and the Adjacent East China Sea, China

Abstract  Eutrophication has become increasingly serious and noxious algal blooms have been of more frequent occurrence in the Yangtze River Estuary and in the adjacent East China Sea. In 2003 and 2004, four cruises were undertaken in th

Molecular cloning and circadian expression profile of insect neuropeptide PDF in black blowfly, Phormia regina

Abstract  Pigment-dispersing factor PDF is an 18-amino acid insect neuropeptide that mediates a circadian rhythmicity in locomotor activity. PDF is coded in a precursor protein together with another neuropeptide named PDF-associated pept

Conservation and Divergence of FCA Function between Arabidopsis and Rice

Abstract  Although several genes have been identified in rice which are functionally equivalent to the flowering time genes in Arabidopsis, primarily genes involved in the photoperiod pathway, little data is available regarding the genes that fu

Growth Medium and Phosphorus Supply Affect Cluster Root Formation and Citrate Exudation by Lupinus albus Grown in a Sand/Solution Split-Root System

Abstract  We examined cluster root formation and root exudation by white lupin (Lupinus albus L. cv. Kiev Mutant) in response to growth medium and phosphorus supply in a sand/solution split-root system. The split-root system consisted of

The Thermal Emission Imaging System (THEMIS) for the Mars 2001 Odyssey Mission

Abstract  The Thermal Emission Imaging System (THEMIS) on 2001 Mars Odyssey will investigate the surface mineralogy and physical properties of Mars using multi-spectral thermal-infrared images in nine wavelengths centered from 6.8 to 14.

Hydrochemistry of Waters of Volcanic Rocks: The Case of The Volcanosedimentary Rocks of Thrace, Greece

Abstract  This work is referred to the characterization of the environmental hydrochemistry in the broader Sapes area – Thrace region, on the basis of physico-chemical properties of surface and groundwaters occurring in the volcano

SSCP-SNP in pearl millet—a new marker system for comparative genetics

Abstract  A considerable array of genomic resources are in place in pearl millet, and marker-aided selection is already in use in the public breeding programme at ICRISAT. This paper describes experiments to extend these publicly available resou

Komatiites and nickel sulfide ores of the Black Swan area, Yilgarn Craton, Western Australia. 3: Komatiite geochemistry, and implications for ore forming processes

Abstract  The Black Swan komatiite sequence is a package of dominantly olivine-rich cumulates with lesser volumes of spinifex textured rocks, interpreted as a section through an extensive komatiite lava flow field. The sequence hosts a number of

Contrasting sulphide contents of the Bushveld and Sudbury Igneous Complexes

Abstract  The Sudbury Igneous Complex (SIC) contains abundant sulphides, especially near the base, and hosts one of the worlds largest nickel and copper deposits. The Bushveld Complex (BC) contains relatively little sulphide, but hosts the world

Geological controls on refractory ore in an orogenic gold deposit, Macraes mine, New Zealand

Abstract  The Macraes mine is hosted in an orogenic (mesothermal) gold deposit in metasedimentary rocks of the Otago Schist belt. Much gold occurs within altered schist with minimal silica-addition, and this study focuses on altered schist ore t

Mechanisms of hydrogen incorporation and diffusion in iron-bearing olivine

Abstract  The incorporation and diffusion of hydrogen in San Carlos olivine (Fo90) single crystals were studied by performing experiments under hydrothermal conditions. The experiments were carried out either at 1.5 GPa, 1,000°C for 1.5&nb

Silicon and oxygen self diffusion in enstatite polycrystals: the Milke et al. (2001) rim growth experiments revisited

Abstract  Milke et al. (Contrib Mineral Petrol 142:15–26, 2001) studied the diffusion of Si, Mg and O in synthetic polycrystalline enstatite reaction rims. The reaction rims were grown at 1,000°C and 1 GPa at the contacts between

SIMS analyses on trace and rare earth elements in coexisting clinopyroxene and mica from minette mafic enclaves in potassic syenites crystallized under high pressures

Abstract  Trace and rare earth element contents were determined by SIMS technique in clinopyroxene and mica crystals from minette lamprophyric enclaves in a potassic syenite host. This co-mingled system was crystallized at high pressures, which

Structural characterization, expression analysis and evolution of the red/far-red sensing photoreceptor gene, phytochrome C (PHYC), localized on the ‘B’ genome of hexaploid wheat (Triticum aestivum L.)

Abstract  Phytochromes are a family of red/far-red light perceiving photoreceptors.The monocot phytochrome family is represented by three members, PHYA, PHYB and PHYC. We have isolated and characterized the first PHY gene member (TaPHYC) from co

Chlorophyll a fluorescence induction kinetics in leaves predicted from a model describing each discrete step of excitation energy and electron transfer associated with Photosystem II

Abstract  Chlorophyll a fluorescence induction (FI) is widely used as a probe for studying photosynthesis. On illumination, fluorescence emission rises from an initial level O to a maximum P through transient steps, termed J and I. FI kinetics r

Geochemical and petrological characteristics of Eppawala phosphate deposits, Sri Lanka

Hydrothermal precipitates associated with bimodal volcanism in the Central Bransfield Strait, Antarctica

Abstract  Polymetallic sulfide-sulfate mineralization enriched in Pb-Ag-As-Sb-Hg occurs in the Bransfield Strait, a late Tertiary-Quaternary marginal basin close to the Antarctic Peninsula. The mineralization is associated with bimodal volcanism

Transferable EST-SSR markers for the study of polymorphism and genetic diversity in bread wheat

Abstract  Nearly 900 SSRs (simple sequence repeats) were identified among 15,000 ESTs (expressed sequence tags) belonging to bread wheat ( Triticum aestivum L.). The SSRs were defined by their minimum length, which ranged from 14 to 21 bp.

Galvanic solid electrolyte cells for the measurement of CO 2 concentrations

Abstract  The first commercially offered CO2 sensors with galvanic solid electrolyte cells have very different properties. A review of the numerous carbonate cells described in the literature shows that it is easy to obtain CO2-sensitive systems

Interplay of surface and confinement effects on the molecular relaxation dynamics of nanoconfined poly(methyl methacrylate) chains

Abstract.  The thermally stimulated current (TSC) signatures of the primary () transition and its precursor, the Johary-Goldstein () relaxation, are used to probe effects of nanoconfinement on the dielectric relaxation dynamics of poly(methyl me

Polarization and Movement of Keratocytes: A Multiscale Modelling Approach

Abstract  Eukariotic cell motility is a complex phenomenon, in which the cytoskeleton and its major constituent, actin, play an essential role. Actin forms polymers of long, stiff filaments that are cross-linked into an anisotropic network insid

Syntheses and Structure of Gd3Rh1.940(7)In4

Summary.  The gadolinium–rhodium–indide Gd3Rh1.940(7)In4 was prepared by arc-melting of the elements and subsequent annealing in a corundum crucible in a sealed silica tube. Gd3Rh1.940(7)In4 adopts the hexagonal Lu3Co1.87In4 type, sp

Effects of a nutrient pulse supply on nutrient status of the Mediterranean trees Quercus ilex subsp. ballota and Pinus halepensis on different soils and under different competitive pressure

Abstract  Nutrient availability is a key factor in Mediterranean ecosystems that affects the primary productivity and the community structure. The great variability of its natural availability is now increasing due to frequent fires, pollution e

The phytoplankton succession in the lower part of hypertrophic Nakdong River (Mulgum), South Korea

Abstract  Investigations were carried out to determine the mechanism of phytoplankton succession in the lower part of Nakdong River. Intensive monitoring was conducted from April 1993 to April 1995 at weekly or biweekly intervals. This r

Software Integration in Multi-scale Simulations: the PUPIL System

Abstract  The state of the art for computational tools in both computational chemistry and computational materials physics includes many algorithms and functionalities which are implemented again and again. Several projects aim to reduce, elimin

Molecular Imaging of EGFR Kinase Activity in Tumors with 124I-Labeled Small Molecular Tracer and Positron Emission Tomography

Abstract  Positron emission tomography (PET) with epidermal growth factor receptor (EGFR) kinase-specific radiolabeled tracers could provide the means for noninvasive and repetitive imaging of heterogeneity of EGFR expression and signaling activ

Effect of HPr phosphorylation on structure, dynamics, and interactions in the course of transcriptional control

Abstract  The serine46-phosphorylated form of the bacterial protein HPr fulfils an essential function in carbon catabolite repression (CCR). Using molecular dynamics (MD) we studied the effect of Ser46 phosphorylation on the molecular pr

The Goli d’Aget Member: Early Permian volcanoclastic and volcanic rocks within the Brian?onnais Grand St-Bernard Nappe (Valais, Switzerland)

Abstract.  The well-preserved sedimentary structures of the Goli d’Aget Member (Early Permian) allow to distinguish four successive environments of deposition: 1) An alluvial plain with important channeling and evidence of volcanic

Chain dynamics in mesoscopically confined polymer melts. A field-cycling NMR relaxometry study

Abstract.  Polymer chain dynamics were studied with the aid of field-cycling NMR relaxometry (time scale: 10-9s... 10-4s) supplemented by field gradient NMR diffusometry (time scale: 10-4s...100s). Three sorts of samples

Caco-2 cell permeability modelling: a neural network coupled genetic algorithm approach

Abstract  The ability to cross the intestinal cell membrane is a fundamental prerequisite of a drug compound. However, the experimental measurement of such an important property is a costly and highly time consuming step of the drug deve

Genetic risk factors for diabetic nephropathy on chromosomes 6p and 7q identified by the set-association approach

Abstract Aims/hypothesis  In the present study we investigated potential associations of a set of 45 single nucleotide polymorphisms (SNP) in 20 candidate genes on eight chromosomes with diabetic nephropathy (DN) in type

A comparison study of microstructure and mechanical properties of Ti-24Al-14Nb-3V-0.5Mo with and without Si

Abstract  A comparative study has been made of the room- and elevated-temperature properties, room-temperature fracture toughness, fatigue-crack propagation rates, and 650 °C creep properties of Ti-24Al-14Nb-3V-0.5Mo with and without 0.

Effects of CaO, Al2O3, and MgO additions on the copper solubility, ferric/ferrous ratio, and minor-element behavior of iron-silicate slags

Abstract  The effects of CaO, Al2O3, and MgO additions, singly or in combination, on the copper solubility, the Fe3+/Fe2+ ratio in slag, and on the minor-element behavior of silica-saturated iron silicate slags were examined at 1250 °C and a p

In Situ detection of inclusions in liquid metals: Part I. Mathematical modeling of the behavior of particles traversing the electric sensing zone

Abstract  The Liquid Metal Cleanliness Analyzer (LiMCA) system is an on-line liquid metal cleanliness analyzing system first developed in the early 1980s at McGill University. Now commercialized, it is widely used in the aluminum industr

Geochemistry and petrology of Mesozoic-Cenozoic magmatic complexes of the southern framing of the Aldan shield: Geodynamic problems

Abstract  This paper summarizes the results of long-term geological, petrological, and geochemical investigations of the Mesozoic-Cenozoic complexes of the Stanovoy Range in order to determine the main reasons for their generation and ev

Free-energy analysis of enzyme-inhibitor binding

Abstract  Expeditious in silico determinations of the free energies of binding of a series of inhibitors to an enzyme are of immense practical value in structure-based drug design efforts. Some recent advances in the field of computation

Allelic variation of polyphenol oxidase (PPO) genes located on chromosomes 2A and 2D and development of functional markers for the PPO genes in common wheat

Abstract  Polyphenol oxidase (PPO) activity is highly related to the undesirable browning of wheat-based end products, especially Asian noodles. Characterization of PPO genes and the development of their functional markers are of great i

Archaean TTGs as sources of younger granitic magmas: melting of sodic metatonalites at 0.6–1.2?GPa

Abstract  Two natural, low K2O/Na2O, TTG tonalitic gneisses (one hornblende-bearing and the other biotite-bearing) were partially melted at 0.8–1.2 GPa (fluid-absent). The chief melting reactions involve the breakdown of the b

Chemical and mineralogical heterogeneity in the basal zone of the Partridge River Intrusion: implications for the origin of Cu–Ni sulfide mineralization in the Duluth Complex, midcontinent rift system

Abstract  Copper–nickel sulfide mineralization in the Partridge River Intrusion of the 1.1 Ga Duluth Complex is restricted primarily to a 100 m thick zone near the base of the intrusion, which is heterogeneous at meter sc

Element fluxes in watershed-lake ecosystems recovering from acidification: ?ertovo Lake, the Bohemian Forest, 2001–2005

Abstract  Fluxes of major ions and nutrients were measured in the watershed-lake ecosystem of a strongly acidified lake, Čertovo jezero (Čertovo Lake), in the 2001 through 2005 hydrological years. Water balance was estimated fr

Sequence-stratigraphic frameworks and their palaeogeographic patterns for the Permian Lopingian of the Dianqiangui Basin and its adjacent areas of Southwestern China

Abstract  The Permian Lopingian in the Dianqiangui Basin and its adjacent areas is marked by the coal measures of the Wuchiapingian and the carbonate strata of the Changhsingian stages. For the Lopingian of the Dianqiangui Basin and its

Fractionation and identification of 9c, 11t, 13t-conjugated linolenic acid as an activator of PPARα in bitter gourd (Momordica charantia L.)

Summary  Bitter gourd (Momordica charantia L.) is a common vegetable in Asia that has been used in traditional medicine for the treatment of Diabetes. PPARs are ligand-dependent transcription factors that belong to the steroid hormone nuclear re

Fundamentals of biohydrochemistry of anoxic basins

Abstract  The formation of hydrogen sulfide waters in three anoxic basins—the Black Sea, the Cariaco trench, and the Framvaren fjord—is considered. The accumulation of H2S caused by the oxidation of organic matter (OM) with s

Environmental monitoring of occupational exposure to N,N-dimethylformamide: comparison between active and diffusive sampling

Abstract Objectives  The objective of this study is to optimize the evaluation of the exposure to N,N-dimethylformamide (DMF) in synthetic leather factories by diffusive samplers. The DMF exposure was monitored in synthetic

Validation of a new planar chromatographic method for quantification of the heterocyclic aromatic amines most frequently found in meat

Abstract  A new HPTLC method, in which all the HPTLC steps are performed automatically, has been established for quantification of the five most frequently found heterocyclic aromatic amines (HAA: PhIP, MeIQx, 4,8-DiMeIQx, norharmane, an

The uniqueness of biological self-organization: challenging the Darwinian paradigm

Abstract  Here we discuss the challenge posed by self-organization to the Darwinian conception of evolution. As we point out, natural selection can only be the major creative agency in evolution if all or most of the adaptive complexity

Sedimentary Steryl Chlorin Esters (SCEs) and Other Photosynthetic Pigments as Indicators of Paleolimnological Change Over the Last 28,000?Years from the Buguldeika Saddle of Lake Baikal

Abstract  Detailed depth profiles of photosynthetic pigments in a sediment core (G-12) collected at the BDP93 site, the Buguldeika saddle, of south Lake Baikal, along with depth profiles of total organic carbon (TOC) and biogenic silica,

Multilocus OCA2 genotypes specify human iris colors

Abstract  Human iris color is a quantitative, multifactorial phenotype that exhibits quasi-Mendelian inheritance. Recent studies have shown that OCA2 polymorphism underlies most of the natural variability in human iris pigmentation but t

Textural evidence of magma decompression, devolatilization and disequilibrium quenching: an example from the Western Kru?né hory/Erzgebirge granite pluton

Abstract  We report new occurrences of “two-phase” granitic textures from the Western Krušné hory/Erzgebirge pluton (central Europe) and use crystal-size distribution data and thermodynamic modeling to interpret their c

Structure and evolution of the continental crust in the Baikal Fold Region

Abstract  A summary of original Nd isotopic data on granitoids, silicic volcanics, and metasediments of the Baikal Fold Region is presented. The available Nd isotopic data, in combination with new geological and geochronological evidence

The modification of MoO3 nanoparticles supported on mesoporous SBA-15: characterization using X-ray scattering, N2 physisorption, transmission electron microscopy, high-angle annular darkfield technique, Raman and XAFS spectroscopy

Abstract  MoO3 was dispersed onto mesoporous SBA-15 by using ammonium heptamolybdate as MoO3 source. The formation of MoO3 was carried out by heating the loaded material to 500 °C for 3 h in air. Below 13 wt% Mo loadi

Multisimplex Optimisation of the Purge-and-Trap Preconcentration of Volatile Fatty Acids, Phenols and Indoles in Cow Slurries

Abstract  In this work the simultaneous purge-and-trap (P&T) preconcentration of volatile fatty acids (acetic acid, propanoic acid, butanoic acid, iso-butanoic acid, pentanoic acid, iso-pentanoic acid, hexanoic acid and heptanoic aci

Molecular modeling and biophysical analysis of the c-MYC NHE-III1 silencer element

Abstract  G-Quadruplex and i-Motif-forming sequences in the promoter regions of several oncogenes show promise as targets for the regulation of oncogenes. In this study, molecular models were created for the c-MYC NHE-III1 (nuclease hype

Hydrothermal alteration and sulfide mineralization in gabbroids of the Markov Deep (Mid-Atlantic Ridge, 6° N)

Abstract  A new type of sulfide occurrence related to metasomatically altered brecciated gabbroids has been studied at the Sierra Leone site situated in the axial rift valley of the Mid-Atlantic Ridge (Markov Deep, 6° N). Two associatio

Analysis of Organochlorine Pesticides in Coral ( Porites evermanni ) Samples Using Accelerated Solvent Extraction and Gas Chromatography/Ion Trap Mass Spectrometry

Abstract  A gas chromatography/ion trap mass spectrometry method was developed for analysis of organochlorine pesticides (OCPs) in coral samples, which were extracted with accelerated solvent extraction (ASE) and cleaned up on a sulfuric

Genetic and physical mapping of Pi36 (t), a novel rice blast resistance gene located on rice chromosome 8

Abstract  Blast resistance in the indica cultivar (cv.) Q61 was inherited as a single dominant gene in two F2 populations, F2-1 and F2-2, derived from crosses between the donor cv. and two susceptible japonica cvs. Aichi Asahi and Lijiangxintuan

Structure and expression analysis of early auxin-responsive Aux/IAA gene family in rice ( Oryza sativa )

Abstract  Auxin exerts pleiotropic effects on plant growth and development by regulating the expression of early auxin-responsive genes of auxin/indoleacetic acid (Aux/IAA), small auxin-up RNA, and GH3 classes. These genes have been stud

Sessile and non-sessile morphs of Geodia cydonium (Jameson) (Porifera, Demospongiae) in two semi-enclosed Mediterranean bays

Abstract  Morphological plasticity and ecological aspects of the demosponge Geodia cydonium (Jameson) were studied from seasonal samples collected over 1 year in two semi-enclosed Mediterranean bays of the Southern Italian c

Significance of instream autotrophs in trophic dynamics of the Upper Mississippi River

Abstract  Trophic dynamics of large river–floodplain ecosystems are still not well understood despite development of several conceptual models over the last 25 years. To help resolve questions about the relative contribution o

Online analysis of europium and gadolinium species complexed or uncomplexed with humic acid by capillary electrophoresis–inductively coupled plasma mass spectrometry

Abstract  Detailed information on the geochemical behavior of radioactive and toxic metal ions under environmental conditions (in geological matrices and aquifer systems) is needed in order to assess the long-term safety of waste reposit

Study of graded Ni-Ti shape memory alloy film growth on Si(100) substrate

Abstract  In-situ X-ray diffraction (XRD) was employed to study the effect of the deliberate change of the Ti/Ni ratio during the deposition of Ni-Ti films. Thus, graded films were deposited exhibiting distinctive composition and crystal

The rhyolitic–andesitic eruptive history of Cotopaxi volcano, Ecuador

Abstract  At Cotopaxi volcano, Ecuador, rhyolitic and andesitic bimodal magmatism has occurred periodically during the past 0.5 Ma. The sequential eruption of rhyolitic (70–75% SiO2) and andesitic (56–62% SiO2) magmas fr

Wall-rock metasomatism of carbonaceous terrigenous rocks in the Lena gold district

Abstract  The Lena gold district is situated in the fold-and-shear belt of the southern framework of the Siberian Platform. The gold deposits are hosted in the Riphean-Vendian Khomolkho and Aunakit formations, revealing the strict contro

Post-collisional plutonism with adakitic signatures: The Triassic Yangba granodiorite (Bikou terrane, northern Yangtze Block)

Abstract  The post-collisional Yangba granodiorite intruded into the Bikou metasedimentary-volcanic group, southern Mianlue Suture, central China. The host granodiorites contain many mafic microgranular enclaves which have acicular apati

Ecology of seed germination of eight non-pioneer tree species from a tropical seasonal rain forest in southwest China

Abstract  We compared various aspects of the seed biology of eight non-pioneer tree species from a tropical seasonal rain forest in Xishuangbanna, SW China, that differ in time of dispersal, size and fresh seed moisture content (MC). See

G1738R is a BRCA1 founder mutation in Greek breast/ovarian cancer patients: evaluation of its pathogenicity and inferences on its genealogical history

Abstract  We have performed screening in 287 breast/ovarian cancer families in Greece which has revealed that ∼12% (8/65) of all index patients-carriers of a deleterious mutation in BRCA1 and BRCA2 genes, contain the base substitut

Preparation and antibacterial characteristic of water-insoluble antibacterial material QPEI/SiO2

Abstract  Polyethyleneimine (PEI) was grafted onto micron-sized silica gel particles via the coupling action of γ-chloropropyl trimethoxy silane, and grafting particles PEI/SiO2 was prepared. Then, polymeric reactions of two steps,

Mineral oil certified reference materials for the determination of polychlorinated biphenyls from the National Metrology Institute of Japan (NMIJ)

Abstract  Four mineral oil certified reference materials (CRMs), NMIJ CRM 7902-a, CRM 7903-a, CRM 7904-a, and CRM 7905-a, have been issued by the National Metrology Institute of Japan, which is part of the National Institute of Advanced

Contribution to the study of Greek thermal springs: hydrogeological and hydrochemical characteristics and origin of thermal waters

Abstract  A large number of chemical analyses of Greek thermal waters were evaluated in order to investigate spring water origin, water–rock interaction mechanisms, and estimate the thermal potential of the geothermal areas. Four water ty

Granitization of Paleoproterozoic high-pressure metagabbro-norites of the Belomorian Group in Gorelyi Island, Kandalaksha Bay area, Baltic Shield

Abstract  The process of granitization was studied in a small massif of high-pressure Paleoproterozoic (2.45–2.36 Ga) metagabbro-norites (coronites) of the Belomorian Group at contacts with Bt-Hbl-Kfs-Pl-Qtz gneiss-granites. The gr

Hydrodynamic characteristics of the western Do?ana Region (area of El Abalario), Huelva, Spain

Abstract  The Doñana region, in southwestern Spain, comprises a large and important nature reserve, the wetlands of which are affected by human activity. Planting of an extensive eucalyptus forest in the 1950s and, more recently, the use

The last 1300?years of environmental history recorded in the sediments of Lake Sils (Engadine, Switzerland)

Abstract.  Proglacial Lake Sils is located in the Upper Engadine (south-eastern Swiss Alps) at 1800 m a.s.l. and is the uppermost of four lakes in the valley. A highresolution seismic survey combined with geophysical and chemical data of

Sur l’origine karstique et l’age plio-quaternaire des accumulations bréchiques dites ?brèches marines et paléocènes? d’Amélie-les-Bains (Pyrénées-Orientales, France)

Abstract.  The Amélie-les-Bains (Eastern Pyrenees) breccias, recently considered to be Paleocene deep marine deposits, are reinterpreted here as Plio-Quaternary karstic brecciated accumulations. The palaeontological, sedimentological an

Investigation of Interactions Between Surface Water and Petroleum Type Pollutants (9 pp)

Abstract Background, Aims and Scope   In oil spill investigations, one of the most important steps is a proper choice of approaches that imply an investigation of samples taken from different sedimentary environments, sa

Effects of Anions on the Capacity and Affinity of Copper Adsorption in Two Variable Charge Soils

Abstract  Effects of nitrate,(NO3−) chloride (Cl−), sulfate (SO42-, and acetate (Ac−) on Cu2+ adsorption and affinity of the adsorbed Cu2+ were evaluated in two Fe and Al enriched variable charge soils from Southern China. The

Nanosized CeO2–SiO2, CeO2–TiO2, and CeO2–ZrO2 Mixed Oxides: Influence of Supporting Oxide on Thermal Stability and Oxygen Storage Properties of Ceria

Abstract  The influence of SiO2, TiO2, and ZrO2 on the structural and redox properties of CeO2 were systematically investigated by various techniques namely, X-ray diffraction (XRD), Raman spectroscopy (RS), UV–Vis diffuse reflecta

Late Mesozoic collisional granitoids of the upper Amur area: New geochemical data

Abstract  Geochemical and isotopic data were used for a comparative analysis of Late Mesozoic (150–120 Ma) granitoids in various geological structures of the upper Amur area. The granitoids are metaluminous high-potassic I-type roc

Formation of the Campbell-Red Lake gold deposit by H2O-poor, CO2-dominated fluids

Abstract  The Campbell-Red Lake gold deposit in the Red Lake greenstone belt, with a total of approximately 840 t of gold (past production + reserves) and an average grade of 21 g/t Au, is one of the largest and richest Arche

The opportunities and challenges of personalized genome-based molecular therapies for cancer: targets, technologies, and molecular chaperones

Solubility of hydrogen in olivine: dependence on temperature and iron content

Abstract  The solubility of hydrogen in Mg-Fe olivines as a function of temperature and iron concentration was investigated by hydrothermally annealing single crystals of synthetic forsterite and San Carlos olivine. Experiments were performed at

Glassy orthopyroxene granodiorites of the Pannonian Basin: tracers of ultra-high-temperature deep-crustal anatexis triggered by Tertiary basaltic volcanism

Abstract  Glassy orthopyroxene granodiorite-tonalite (named pincinite after type locality) was described from basaltic lapilli tuffs of the Pliocene maar near Pinciná village in the Slovakian part of the Pannonian Basin. Two pincinite typ

Crystallization thermometers for zircon and rutile

Abstract  Zircon and rutile are common accessory minerals whose essential structural constituents, Zr, Ti, and Si can replace one another to a limited extent. Here we present the combined results of high pressure–temperature experiments an

Large-scale failures on domes and stratocones situated on caldera ring faults: sand-box modeling of natural examples from Kamchatka, Russia

Abstract  Edifices of stratocones and domes are often situated eccentrically above shallow silicic magma reservoirs. Evacuation of such reservoirs forms collapse calderas commonly surrounded by remnants of one or several volcanic cones that appe

Regional-scale hydrothermal alteration in the Central Blake River Group, western Abitibi subprovince, Canada: implications for VMS prospectivity

Composite synvolcanic intrusions associated with Precambrian VMS-related hydrothermal systems

Geology and geochemistry of the águas Claras and Pico Iron Mines, Quadrilátero Ferrífero, Minas Gerais, Brazil

Abstract  The Águas Claras and Pico Mines are two world-class iron-ore mines hosted within the Lower- Proterozoic banded iron-formations (locally known as itabirites) of the Minas Supergroup located in the Quadrilátero Ferrí

Water and sediment chemistry of Higher Himalayan lakes in the Spiti Valley: control on weathering, provenance and tectonic setting of the basin

Abstract  The geochemical study of the Dankar, Thinam and Gete lakes of the Spiti Valley has revealed that these lakes are characterized by varying contents of major ions, i.e. Ca, Mg, HCO3, Na, K, Cl, SO4, SiO2 and Sr as trace element. The conc

A metabolic force for gene clustering

Abstract  Bacterial chromosomes frequently contain arrays of contiguous genes that group according to related metabolic roles. We propose that clustering of genes for metabolically related functions confers thermodynamic advantage to the

Inhibition of arteriosclerotic plaque development by garlic

Summary  OBJECTIVE: In an in vitro biosensor model (PCT/EP 97/05212), the interplay between different lipoproteins in arteriosclerotic nanoplaque formation, as well as aqueous garlic extract (0.2–5.0 g/liter from LI 111 powder)

In vitro anti-cancer activity and structure–activity relationships of natural products isolated from fruits of Panax ginseng

Abstract Purpose   Panax ginseng and its extracts have long been used for medical purposes; there is increasing interest in developing ginseng products as cancer preventive or therapeutic agents. The presen

Beneficiation of west sibaiya phosphate ores by flotation in alkaline media

Abstract  Four big head phosphate samples (about 200 kg) were collected from West Sibaiya mines [medium grade (sample 1, southern mine), high grade (sample 2, the mine in the cultivated area), low grade (sample 3, oversize), and tailings

Element fluxes in watershed-lake ecosystems recovering from acidification: Ple?né Lake, the Bohemian Forest, 2001–2005

Abstract  Fluxes of major ions and nutrients were measured in the watershed-lake ecosystem of a strongly acidified lake, Plešné jezero (Plešné Lake), in the Czech Republic in hydrological years from 2001 through 2005. The lak

Fluorescent detection of peptides and amino acids for capillary electrophoresis via on-line derivatization with 4-fluoro-7-nitro-2,1,3-benzoxadiazole

Abstract  An in-capillary derivatization of amino acids and peptides with 4-fluoro-7-nitro-2,1,3-benzoxadiazole (NBD-F) was developed for their subsequent capillary electrophoretic analysis with laser-induced fluorescence detection (_

Oligocene-early Miocene transgressive cover of the Betic-Rif Internal Zone. Revision of its geologic significance

Abstract.  The Oligocene–early Miocene sedimentation in the Betic-Rif Internal Zone (BRIZ) occurred during the same time interval as the main tectonic events that are classically considered responsible for the structuring of this z

Regiospecific analysis of conifer seed triacylglycerols by gas-liquid chromatography with particular emphasis on Δ5-olefinic acids

Abstract  Dibutyroyl derivatives of monoacylglycerols (DBMAG) from conifer seed oil triacylglycerols (TAG) were prepared by partial deacylation of TAG with ethylmagnesium bromide followed by diesterification with n-butyryl chloride. The

Long-term changes in nutrient concentrations of the Changjiang River and principal tributaries

Abstract  We present long-term nutrient data on the Changjiang River (Yangtze River) at six hydrological stations and eight principal tributaries during the period 1958–1985. Three patterns of temporal changes were observed in nitr

Living without Fur: the subtlety and complexity of iron-responsive gene regulation in the symbiotic bacterium Rhizobium and other α-proteobacteria

Abstract  The alpha-proteobacteria include several important genera, including the symbiotic N2-fixing “rhizobia”, the plant pathogen Agrobacterium, the mammalian pathogens Brucella, Bartonella as well as many others that are of envi

Identification and fine mapping of Pi39 (t), a major gene conferring the broad-spectrum resistance to Magnaporthe oryzae

Abstract  Blast, caused by the ascomycete fungus Magnaporthe oryzae, is one of the most devastating diseases of rice worldwide. The Chinese native cultivar (cv.) Q15 expresses the broad-spectrum resistance to most of the isolates collect

Redox ratio and optical absorption of polyvalent ions in industrial glasses

Abstract  The changes in glass structure and redox ratio, R (reduced ion to oxidized ion) of Mn2+-Mn3+, Cu+-Cu2+, Cr3+-Cr6+, Ni2+-Ni3+ and Co2+-Co3+ couples and optical absorption due to Mn3+, Cu2+, Cr3+, Ni2+ and Co2+ ions in industrial soda-li

239, 240, 241Pu fingerprinting of plutonium in western US soils using ICPMS: solution and laser ablation measurements

Abstract  Sector field inductively coupled plasma mass spectrometry (SF-ICPMS) has been used with analysis of solution samples and laser ablation (LA) of electrodeposited alpha sources to characterize plutonium activities and atom ratios

Influence of mechanical properties and mineral salts in wood species on tool wear of high-speed steels and stellite-tipped tools – Consideration of tool wear of the newly developed tip-inserted band saw

Abstract  This paper is the third in a series of work done on a novel technique for bandsawing, which uses a tip-inserted saw, and is gaining increasing popularity in Japan. It builds up on previous reports on the novel technique for ban

Empirical equations to predict the sulfur content of mafic magmas at sulfide saturation and applications to magmatic sulfide deposits

Abstract  Empirical equations to predict the sulfur content of a mafic magma at the time of sulfide saturation have been developed based on several sets of published experimental data. The S content at sulfide saturation (SCSS) can be ex

Copper-gold endoskarns and high-Mg monzodiorite–tonalite intrusions at Mt. Shea, Kalgoorlie, Australia: implications for the origin of gold–pyrite–tennantite mineralization in the Golden Mile

Abstract  Five Cu–Au epidote skarns are associated with the Mt. Shea intrusive complex, located in the 2.7–2.6 Ga Eastern Goldfields Province of the Archean Yilgarn craton, in greenstones bounded by the Boulder Lefroy an