Miracle-dz/UniFAR-FTUs huggingface dataset:
Microrhéomètre sur silicium pour chimie haut débit

Cette these concerne la construction d'un micro-rheometre. Il assure la mesure des proprietes viscoelastiques lineaires des fluides complexes sur une large gamme de frequence (de 1 Hz a 100 kHz). Afin de repondre a la problematique de mesure des proprietes rheologiques de petites quantites de fluide pour des gammes de frequence etendues, la dynamique en milieu liquide des microstructures resonantes en silicium a ete analysee. A cette echelle micrometrique, les vibrations de micropoutres dependent non seulement des proprietes de la microstructure (geometrie, materiaux) mais aussi des proprietes du fluide environnant (densite, viscoelasticite). En effet, de facon schematique, la presence du fluide se traduit par deux phenomenes : un phenomene d'inertie (‘effet de masse') et un phenomene dissipatif (‘effet de pertes visqueuses'). Ainsi l'analyse de la reponse frequentielle des microstructures mobiles permet de remonter aux proprietes des fluides en fonction de la frequence.
The fate of heavy metals during thermal and ultrasound treatment of activated sludge

The fate of cadmium and copper during thermal and ultrasound treatments of activated sludge was studied in terms of mixed liquor physicochemical modifications. Biochemical composition of sludge testfied to the solubilization of its biopolymers. Granulometric measurements demonstrated that ultrasound and temperature induced respectively floc disintegration and macrofloc deflocculation. The uptake of the two metals by sludge flocs was improved with an increase in temperature. Both metals were in a different way adsorbed by sludge flocs, since mass transfer improvement together with the extended surface area offered by sonicated flocs increased the cadmium adsorption. At the same time, an increase in soluble organic ligands limited copper uptake.
A comparative account of the microbial biomass-N and N-mineralization of soils under natural forest, grassland and crop field from dry tropical region, India

This study investigated microbial biomass-N (MB-N) and N-mineralization in soils of four different vegetation systems including forest (sal), mixed forest, savanna and cropland ecosystems in the Vindhyan region, India. A change was noted in the above region due to physiographic differences and anthropogenic disturbances. Annually the soil moisture (SM) content across the different study sites ranged from 7.5 to 24.3% being maximum in forest sites compared to savanna and cropland sites. The NH4 +-N, NO3 –-N and MB-N concentrations varied from 4.3 to 10.2 μg/g, 1.1 to 5.8 μg/g and 21.3 to 90.2 μg/g dry soil, respectively, with minimum values in the wet and maximum values in the dry season. The trend of seasonal variation in net N-mineralization was similar to that of moisture content but counter to the concentrations of inorganic-N and MB-N. The net N-mineralization rates at different investigated sites ranged from 4.5 to 37.6 μg/g month. Cultivation reduced the N-mineralization and MB-N by 58.5% and 63.5%, respectively. Experiments showed that the percentage contribution of MB-N to total-N was 8.01 to 19.15%. MB-N was positively correlated with the inorganic-N (n = 180, r = 0.80, p mixed forest > savanna > cropland.
High-Accuracy Planar Near-field to Far Field Transform for Low Side-Lobe Antennas

Planar near-field to far-field transform (NF-FF) by the Fast Fourier Transform (FFT) in antenna measurement is often insufficiently accurate, especially for low side-lobe antennas. This paper presents a new highly accurate FFT based on Gaussian Quadrature, and applies it to discretize the double integrals in NF-FF. An example of the low side-lobe antennas show that although the proposed method is slightly slower than the conventional method, it obtains a much more accurate pattern than the latter does.
In vitro study of the structure / function relationship of the proteins GASP-1 and GASP-2 : Involvement of the second Kunitz domain in the functional duality of the GASP proteins

Les muscles squelettiques, responsables des mouvements volontaires tels que la locomotion ou le maintien de la posture, representent environ 40% de la masse corporelle.Cette masse musculaire est maintenue par plusieurs voies de signalisation qui regulent entre autres l’equilibre entre la synthese et la degradation des proteines myofibrillaires. En ciblant la voie de signalisation Akt/mTOR, la myostatine est un regulateur negatif de la myogenese. Elle inhibe la differentiation myogenique et le renouvellement cellulaire. Parmi les differents facteurs moleculaires extracellulaires qui regulent la myostatine, les proteines GASP (Growth and differentiation factor Associated Serum Protein) ont ete decrites comme des antagonistes de son activite. L’Unite de Genetique Animale a developpe plusieurs strategies qui permettent d’apprehender les mecanismes moleculaires qui regissent le(s) role(s) des proteines GASP au cours du developpement musculaire. Ainsi, la creation de la lignee murine appelee surGasp-1-20 a permis de montrer que la surexpression de Gasp-1 entraine un phenotype hypermuscle associe a une hypertrophie des myofibrilles. Une analyse de l’expression genique dans des myoblastes derives des cellules satellites montre une surexpression de la myostatine correlant avec une absence d’hyperplasie chez les souris surGasp-1-20. Des etudes similaires actuellement en cours pour la proteine GASP-2 devraient permettre de preciser son role dans le contexte musculaire. Les proteines GASP sont egalement definies comme des inhibiteurs composes heterotypiques caracterises par plusieurs domaines inhibiteurs pouvant moduler l’activite de differentes proteases. Parmi ces differents domaines,le second domaine Kunitz de GASP-2 a ete precedemment decrit comme pouvant inhiber la trypsine. Dans ce travail, nous avons pu montrer que les deux proteines entieres conservent cette capacite d’inhibition. Nos resultats indiquent cependant que GASP-1 et GASP-2 presentent une difference de specificite due a la composition du second domaine Kunitz et non a l’environnement moleculaire present dans chacune des proteines. Enfin, nous proposons un modele structural du second domaine Kunitz implique dans la dualite fonctionnelle dans l'inhibition anti-trypsine de GASP-1 et GASP-2.
Functional surface coating for electrochemically controlled delivery to living cells

When a tissue in the human body is injured, a cascade of chemical signals is initiated to start the healing process. What is essential in daily life, can cause severe problems if the injury is caused by surgical operations for implants of biomaterials conceived to improve a patient health. The body tries to ’heal’ the affected area, proteins adsorb on the surface and a deposit of activating and inhibiting substances is formed. The implant will be either resorbed or encapsulated due to the so-called ’foreign body reaction’. To avoid this, many researchers attempted to create ’non-adhesive’ surfaces which eliminate the adsorption of proteins and, thereby, inhibit the foreign body reaction. However, due to advances in healthcare, for example in tissue engineering using scaffolds, the need for beneficial interaction between tissue and biomaterial has arisen. In this perspective, the cellular contact with artificial substrates can be desired to influence the cell behavior from the surface. ’Surface-mediated drug delivery’ has been used for DNA transfection, but not for drug delivery in a general fashion. In order to use this approach more universally, a way to modify the properties of biomaterial surfaces is needed. There are several options to modify the chemical properties of a surface. A popular, powerful approach is to coat the surfaces with polyelectrolyte multilayers (PEMs). Polyelectrolytes adsorb spontaneously onto oppositely charged substrates reversing the net charge. This overcompensation enables the subsequent adsorption of an oppositely charged polyelectrolyte in a layer-by-layer fashion. The method of layer-by-layer adsorption has been used extensively among a variety of biomedical applications. To increase the functionality of such coatings, many research groups incorporated active factors into the PEM films. The loading capacity of the films with active factors could be further increased by the incorporation of carriers, such as phospholipid vesicles, into the PEM films. The triggered release from vesicles has been demonstrated by a variety of stimuli such as light, temperature, redox reactions, ultrasound and many more.
Étude expérimentale et modélisation d'un procédé de captage en CO2 en postcombustion par l'ammoniaque à l'aide de contacteurs membranaires : du matériau à l'évaluation de l'intensification de l'absorption

L'absorption du CO2 a l'ammoniaque au sein d'une colonne garnie est une technologie prometteuse pour capter le CO2 en postcombustion. La fuite d'NH3 engendree par la volatilite de ce solvant gene neanmoins le deploiement de ce procede. Dans cette etude, la faculte des contacteurs membranaires a permettre des performances d'absorption du CO2 intensifiees et des pertes en NH3 reduites par rapport au procede conventionnel est evaluee. Pour cela, l'emploi de fibres composites innovantes constituees d'une peau dense assurant un transport selectif du CO2 vis-a-vis de NH3 a ete propose. Compte tenu des proprietes de ces molecules, aucun materiau ne presentait jusqu'alors de selectivite de separation favorable au CO2. Des essais de temps-retards ont permis de reveler 6 materiaux fluores presentant les proprietes de selectivites inverses recherchees. Le Teflon AF2400, polymere hautement permeable au CO2, a ete choisi pour constituer les fibres creuses composites employees lors d'experiences d'absorption. Leurs performances ont ete comparees a celles de contacteurs commerciaux microporeux (Oxyphan) et composites (Oxyplus) pour differentes conditions operatoires. Alors qu'aucune experience stable n'a pu etre achevee avec les contacteurs microporeux du fait de la precipitation de sels d'ammonium, les contacteurs composites ont permis des performances de capture superieures aux objectifs fixes. La modelisation 2D du transfert de matiere a permis de reveler le role preponderant du support microporeux dans les performances d'absorption observees. Enfin, une intensification elevee des performances d'absorption du CO2 et des pertes en NH3 fortement reduites par rapport au procede conventionnel ont pu etre demontrees
REVIEW ARTICLE: Silicon dioxide sacrificial layer etching in surface micromachining

Silicon dioxide sacrificial layer etching has become a major surface micromachining method to fabricate microsensors and microactuators often made of polycrystalline silicon. An overview of the materials available in integrated circuit manufacturing is given, and the etch mechanism and sacrificial layer etch kinetics are reviewed. Selectivity issues important for the proper choice of layers and etchants are addressed discussing the chemical attack of aluminum during long sacrificial layer etching, as an example. Various etchants known from other studies are compared: concentrated and dilute HF, buffered HF (BHF), nitric acid based etchants known as P-etch, R-etch, S-etch, as well as mixtures of HF and HCl, and vapor HF. `Pad-etch', an acetic acid/ammonium fluoride/ethyleneglycole solution is shown to have an enhanced selectivity against aluminum. Some device examples such as arrays of deflectable micromirrors demonstrate the versatile application of sacrificial oxide etching in surface micromachining.
ANALISIS PENGARUH KARAKTERISTIK PERUSAHAAN TERHADAP KUALITAS CORPORATE GOVERNANCE : STUDI EMPIRIS PADA PERUSAHAAN TERDAFTAR DI CORPORATE GOVERNANCE PERCEPTION INDEX TAHUN 2012-2015

This Study ain do examine the effect of firm’s characteristic that are divided into firm’s size , leverage, profitaility, growth of sale s, Investment opportunity and ownership concentration on quality of corporate governance. Quality corporate governance proxied with scores of Corporate Governance Perception Index. In this research , the population of this research is all firms which are listed in Corporate Governance Perception Index (CGPI) by the Institute for Corporate Governance (IICG) in year 20 12-2015. A total of 36 samples were used in this study with sample selection using the purposive sampling method. Analysis of the data used in this research is descriptive statistics, classical assumption test and hypothesis testing with multiple regression tested using SPSS software The empirical results show that that the variable firm size, and ownership concentration have positively significant influenced, while leverage have negatively significant influenced on quality of Corporate Governance. Meanwhile, profitability, growth of sales , and investment opportunities has no significant influenced on on quality of Corporate Governance.
Multi-scale Modelling of Allostery in Protein Homodimers

Allostery is a form of signalling within biomolecules such that ligand binding to a protein affects its activity at a second site. Allostery was described by early models to be driven by structural changes in the protein. However, more recently there has been increasing evidence that dynamics can contribute to or even drive allostery. The protein studied in this thesis, the Catabolite Activator Protein (CAP), is an allosteric protein homodimer that has been shown to exhibit negatively cooperative binding of the ligand cyclic Adenosine Monophosphate (cAMP) to each of its monomers. Interestingly, CAP is a protein whose allostery is believed to be driven by dynamics rather than a conformational change. In this thesis, a number of coarse grained models are employed to investigate this dynamic allostery in CAP. One family of models, termed Super Coarse Grained (SCG) models explore the global properties of the dynamics of the CAP dimer that cause it to exhibit negatively cooperative allostery. It is shown through these models that changes in protein interactions can provide a basis for changing cooperativity. A second family of coarse grained models called Elastic Network Models (ENM) are studied. These are used to show that adjusting the interactions between specific residues can affect cooperative binding of cAMP to CAP. A number of atomistic approaches are also used to study the cAMP-CAP system, including Molecular Dynamics (MD) and Normal Mode Analysis (NMA). The efficacy of using such approaches for studying the thermodynamics of the allostery in CAP is investigated. The motion observed within the protein is also studied closely to identify potential allosteric pathways. X-ray crystallography and Isothermal Titration Calorimetry (ITC) are finally used to investigate how accurately computational methods can describe the cooperative binding of cAMP to CAP. They are also used to try and determine whether the allostery in CAP can be manipulated experimentally without any observed changes to its structure.
Effectiveness of Acceptance and Commitment Therapy to Reducing Depression in Nursing Home Residents

: Each elderly person is expected to achieve successful aging so as to live to the end of their life with prosperity, but they are vulnerable to psychological disorders, especially depression. Nursing home residents have a higher risk of depression caused by several factors, such as loss of independence, isolation, loneliness, loss of personal space, monotonous activities, and conflicts with the nursing home staff. Acceptance and Commitment Therapy is an intervention aimed at improving psychological flexibility and the ability to adapt to change so as to make the individual able to deal with various problems that become stressors. The purpose of this study is to examine the effectiveness of Acceptance and Commitment Therapy in reducing depression in nursing home residents. This research is a quasi-experimental study with the non-randomized research design pretest-posttest control group. This study was applied to 6 elderly female subjects divided into two groups, 3 subjects in the experimental group and 3 in the control group. The measuring instrument used in this study is the Geriatric Depression Scale - 15 (GDS - 15). The results obtained in this study indicate that Acceptance and Commitment Therapy has a high effectiveness in reducing depression in nursing home residents. There was a significant difference between the mean score before and after intervention in both groups.
Effect of Isometric Plantar Flexor Muscles Exercises on the Callus Formation of Patients with Tibial Shaft Fracture

: Osteoblast activity affects the fracture healing process. There is evidence that mechanical stimulation during rehabilitation treatment after surgery will trigger the osteoblast activity. However, the effect of isometric plantar flexor muscle exercise is not yet known. One of the osteoblast activity markers is callus formation. This study aims to examine the effect of isometric plantar flexor muscle exercise on callus formation examined by radiographic scoring method for tibial fractures (Hammer scale) among patients with tibial shaft fracture. The study used two-group post-test-only randomized experiment. The intervention group was given a standard of passive knee and ankle range of motion exercises and the addition of isometric training of plantar flexor muscles, while the control group only received the standard of passive knee and ankle range of motion exercises. The Hammer scale to describe the callus formation was compared using a two-sample t-test for independent samples with unequal variances. The results show that the intervention group had a significantly better Hammer scale than the control group, 2.63 and 3.06, respectively (p-value = 0.033), indicating better fracture healing. The study highlighted the effect of the addition isometric plantar flexion exercises with range of motion exercises on fracture healing among patients with tibial shaft facture.
Women`s language features used by Sarah Sechan in her Talk Show

Every human being needs to communicate to each other. Men and women are different in terms of using a language or languages in their daily conversation. Women’s language proved that women tend to use language differently than men, it is shown in features they use. Sarah Sechan is one of well-known, multitalented, communicative, and creative presenters in Indonesia. It is proved by the words choices in her speech. So, the researcher chose her to be one of the instruments in gathering the data. Therefore, the researcher build a research question as follows : What are the women’s language features used by Sarah Sechan? The researcher used qualitative data methods by employing content analysis to answer the research question. There were 2 research instruments used in this research. They were the researcher as the human research and observation sheet. In this research, the researcher found that nine features were used, there were:. 48 empty adjectives (23.415%), 44 intensifiers (21.463%), 35 features of lexical hedges (17.073%). 18 features of tag question (8.780%), 16 hyper-correct grammar (7.804 %), 15 features of rising intonation (7.317%), 11 Super-polite (5.366%), 9avoidance of strong swear words (4.390%), and 9 features of emphatic stress (4.390%).
Advances in Nanocarbon Metals: Fine Structure

Abstract : This study is an investigation of the structure and some properties of silver, copper, and aluminum alloy covetics. Covetics can incorporate large amounts of carbon (C) in a nanoscale form to alter physical and mechanical properties of the base metal or alloy. Once the C has been incorporated into the matrix, it is highly stable and remains dispersed in the material after remelting and resolidification. Characterization of the thin film and bulk covetics was accomplished using X-ray diffraction, Raman spectroscopy, and transmission electron microscopy. Interesting property changes were detected for the different covetic materials. However, the samples always had nonuniformity of the C incorporation. Going forward, it is important to develop a method that will give rise to a more uniform distribution of the C so that a correlation between C content and properties can be obtained.
AMINO ACID SEQUENCE CONSERVATION AND EVOLUTION OF BACULOVIRUS PER ORAL INFECTIVITY FACTORS 1, 2 AND 3

The relationship between amino acid sequences of PIF1, PIF2 and PIF3 of baculovirus and other invertebrate DNA viruses were determined by retrieving their amino acid sequences from National Center for Biotechnology Information. The amino acid sequences were aligned in MEGA7 and analyzed for motif conservation using MEME suite. Structural modelling of these PIFs was performed in iTASSER and their amino acid sequences phylogenetically analyzed by MEGA7. It was revealed by multiple protein sequence alignment that PIF1 was most conserved at the N-terminal end, PIF2 was most conserved in its central region, while PIF3 was most conserved at the C-terminal end. These PIFs had amino acid motifs conserved in Baculoviridae and other invertebrate DNA viruses from Nimaviridae, Hytrosaviridae and Nudiviridae highlighting a probable shared virus entry mechanism among these virus families. Structural modelling of these PIFs produced 2 distinct bulbs for PIF1, 4 distinct bulbs for PIF2 while PIF3 was largely indistinct. Phylogenetic analyses on protein sequences of PIF1, 2 and 3 from Baculoviridae, Nimaviridae, Hytrosaviridae and Nudiviridae yielded similar clustering strongly suggesting co-evolutionary conservation of these PIFs. All the bioinformatics analyses applied in this study have revealed new information of PIF1, PIF2 and PIF3 which can be attributed to their individual and collective functions as oral infectivity factors. In addition, several hypotheses for further investigation of PIFs to gain understanding on their role in oral infectivity and biocontrol of insects have been raised.
Separation, Identification and Determination of Triglycerides in Vegetable Oil Samples

Olive oil adulteration with less expensive edible oils is a major issue for the olive oil industry. Eleven vegetable oils were selected and purchased from different markets in Iraqi Kurdistan region (Erbil City center). In this study high performance liquid chromatography (HPLC) on reversed-phase (RP) column with refractive index (RI) detector was used to classify some components in different edible oils depending on calculation of partition number. Adulteration of one of the olive oil samples (O1) was identified, due to the appearance of glycerol trilinoleate (LLL) peak in the HPLC chromatogram, while this peak is not present in HPLC chromatograms of other olive oil samples. To ensure the presence of LLL a standard concentration of LLL was added to the sample and increasing the peak height at the retention time of LLL indicates the presence of LLL and the adulteration of olive oil sample.