68 results

MEDUSA: Marine benthic Ecological Data from Underwater imagery Surveys of sub-Antarctic Crozet environments

Collected date : from 4 Nov 2021 to 24 Nov 2022
Creators : Yann Lelièvre

Inscribed on the UNESCO World Heritage list, the sub-Antarctic Crozet archipelago is located in a region facing significant environmental changes impacting a poorly known marine biodiversity. Underwater imagery constitutes a valuable non-invasive approach for gathering ecological data and improving ...

PROTEKER: a near-shore submarine observatory in the Kerguelen Islands for the long-term monitoring of benthic habitats

Collected date : from Nov 2011 ongoing
Creators : Thomas Saucède

PROTEKER is a pilot program that aims at establishing a baseline for assessing the impact of climate change on near-shore marine ecosystems of the Kerguelen Islands by implementing an ecological and genetic monitoring at reference sites. The high diversity of coastal marine ecosystems is usually ...

Model energetic macroscopic representation (EMR) of the Fuel Cell and leads to a so-called maximal control structure (MCS)

Collected date : from 1 Oct 2007 to 6 Jun 2010
Creators : Loïc Boulon

This modeling presents the control part of a proton exchange membrane fuel cell (PEMFC). The objective of the model is to represent the voltage control chain of the PEMFC. This model is based on an energetic macroscopic representation (EMR) of the fuel cell and then leads to a so-called maximum ...

Physicochemical characteristics of water and sediment - floodplains of the Ain, Doubs and Loue Rivers - 2015-2016

Collected date : from Apr 2015 to Mar 2016

19 sites (16 wetlands and 3 rivers) with different physicochemical characteristics and distributed along three rivers (Ain, Doubs, and Loue) were sampled. The physicochemical characteristics of the wetlands were measured in situ or after laboratory analysis.

Physicochemical characteristics of water and sediment - Ain River floodplain - 2019-2020

34 sites (16 wetland sites, 15 river sites, and 3 groundwaters) distributed along the Ain River with different physicochemical characteristics were sampled. The physicochemical characteristics of the wetlands were measured in situ or after laboratory analysis.

EBSD mapping of shear zones strain gradient - deformation mechanisms

Objective : characterize the deformation mechanisms and the crystallographic fabrics within homogeneously deformed granitic samples.

EBSD mapping of brittle shear zones precursors

Collected date : Apr 2017

Objective : microtextural characterization within a shear zone brittle precursor

EBSD mapping of shear zones strain gradient - seismic anisotropy

Collected date : from Feb 2019 to Jun 2019

Objective : calculate the crystallographic preferred orientation (CPO) of each mineral phase in order to rebuild the elastic properties of the polyminéralic aggregates.

Microprobe analysis on a brittle shear zone precursor

Collected date : Jan 2017

Objective : compare the chemical compositions of minerals within the brittle precursor and in the host rock.

Quantitative X-ray mapping of brittle shear zones precursors

Collected date : May 2017

Objective : characterize the chemical zonings in plagioclase and garnet related to fluid-rock interactions within a shear zone precursor

SISMEAUCLIM

This project is based on three disciplines: seismology, hydrogeology and climatology. It aims to develop a new approach to monitor hydrogeological reservoirs, in particular karst aquifers, subject to extreme climatic events. The objective is to carry out 4D imaging during floods in a watershed ...

OMIV - Time series of hydrochemical parameters on landslides

Collected date : from Sep 2010 ongoing
Creators : OMIV

Since 2010, the monitoring network, set up within the framework of the SNO- (Multidisciplinary Observatory of Slope Instabilities). This monitoring network provides a large amount of hydrogeological data The hydrogeological monitoring is composed of a high frequency and quasi-continuous monitoring, ...

OMIV - Time series of meteorological parameters on landslides

Collected date : from 1 Jan 1991 ongoing
Creators : OMIV

Meteorological observations acquired on OMIV landslides using a standardized protocol (6min, 15 min, 30 min, 60 min) according to the measured parameters and transfered in a Ascii standardized file format with the file database management system BD-OH OMIV. Estimation of potential evapotranspiration ...

Noise map Besançon 2008

Collected date : from Jan 2006 to Jul 2007
Creators : Sophie Pujol

Urban noise (road traffic, train traffic, pedestrian area, springs)

New spiropyrrolothiazole derivatives bearing an oxazolone moiety as potential antidiabetic agent: Design, synthesis, crystal structure, Hirshfeld surface analysis, ADME and molecular docking studies

In a sustained search for novel and effective antihyperglycemics, a new series of fifteen isomeric oxazolone-fused dispiropyrrolothiazoles resulting from one-pot three component reaction between L-4-thiazolidine carboxylic acid, arylidene-oxazolones and isatin (or acenaphthenequinone) has been ...

Antimicrobial Activity and DFT Studies of a Novel Set of Spiropyrrolidines Tethered with Thiochroman-4-one/Chroman-4-one Scaffolds

A novel series of 14 spiropyrrolidines bearing thiochroman-4-one/chroman-4-one, and oxindole/acenaphthylene-1,2-dione moieties were synthesized and characterized by spectroscopic techniques, as well as by three X-ray diffraction studies, corroborating the stereochemistry. Quantum chemical ...

Synthesis, antidiabetic activity and molecular docking study of rhodanine-substitued spirooxindole pyrrolidine derivatives as novel α-amylase inhibitors

In a sustained search for novel α-amylase inhibitors for the treatment of type 2 diabetes mellitus (T2DM), we report herein the synthesis of a series of nineteen novel rhodanine-fused spiro[pyrrolidine-2,3′-oxindoles]. They were obtained by one-pot three component [3 + 2] cycloaddition of stabilized ...

FIBROKARST

This project focuses on understanding karstic systems and particularly on the issue of recharge and transfer processes in these very heterogeneous and generally inaccessible environments. The objective is to use the fiber optic technique to identify the recharge points of the karstic aquifer of ...

Modelling the response of Antarctic marine species to environmental changes. Methods, applications and limitations

Collected date : from 1 Jan 2017 to 9 Jul 2021

Ecological modelling is nowadays widely used to highlight the environmental conditions that influence the species ecological niche and better understand their response to environmental changes. Methodological challenges are however present for Southern Ocean marine case studies and it is important ...

Sulfur isotope of sedimentary Barites

Collected date : from 1 Sep 2019 ongoing
Creators : Christophe Thomazo

Multiple sulfur isotope measurements (d34S, d33S, d36S) of sedimentary barites associated with the Permo-Triassic boundary.

Diversity-oriented Synthesis of Spiropyrrolo[1, 2-a]isoquinoline Derivatives via Diastereoselective and Regiodivergent Three-component 1,3-Dipolar Cycloaddition Reactions: In vitro and in vivo Evaluation of the Antidiabetic Activity of Rhodanine Analogues

Collected date : from 2018 to 2021

An efficient diastereoselective route is developed to get access to novel spiropyrrolo[1,2-a]isoquinoline-oxindole skeletons by a one-potthree-component [3 + 2] cycloaddition reaction of (Z)-5-arylidene-1,3-thiazolidine-2,4-diones, isatin derivatives, and 1,2,3,4-tetrahydroisoquinoline (THIQ). ...

Control of Structures and Emission Properties of (CuI)n 2-Methyldithiane Coordination Polymers

A structurally unique and strongly luminescent nonporous 3D coordination polymer (CP) [Cu8I8(methyldithiane)4]n, CP3, has been prepared in a quasi-anticipated manner from 2-methyl-1,3-dithiane, L1, and CuI. This CP incorporates an unprecedented Cu8I8 cluster built upon two side-fused open cubanes. ...

A Fused Poly(truncated rhombic dodecahedron)-Containing 3D Coordination Polymer: A Multifunctional Material with Exceptional Properties

The design of new and inexpensive metal-containing functional materials is of great interest. Herein is reported a unique thermochromic near-IR emitting coordination polymer, 3D-[Cu8I8(L1)2]n, CP2, which is formed when ArS(CH2)4SAr (L1, Ar = 4-C6H4OMe) reacts with 2 equiv of CuI in EtCN. In MeCN, ...

Crystal structure of di-[mu]-iodido-bis­[bis(aceto­nitrile-[kappa]N)copper(I)]

The title compound, [Cu2I2(CH3CN)4], exhibits a centrosymmetric Cu2I2 core [Cu...Cu distance = 2.7482 (11) Å], the CuI atoms of which are further coordinated by four mol­ecules of aceto­nitrile. The CuI atom has an overall distorted tetra­hedral coordination environment evidenced by L-Cu-L angles (L ...

Crystal structure of di-[mu]-iodido-bis­[(dimethyl sulfoxide-[kappa]O)(tri­phenyl­phosphane-[kappa]P)copper(I)]

The centrosymmetric dinuclear title compound, [Cu2I2(C2H6OS)2(C18H15P)2], represents the first example of a CuI complex ligated by an O-bound dimethyl sulfoxide ligand. In the crystal, the two tetrahedrally coordinated CuI atoms are bridged by two [mu]2-iodido ligands in an almost symmetrical ...

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Université de Bourgogne, Université de Franche-Comté, UTBM, AgroSup Dijon, ENSMM, BSB, Arts des Metiers