Kinetic study. Medical search. Frequent questions

The kinetic and isotherm equations pointed to a pseudo -second order kinetic and Langmuir isotherm optimum fitting models. (researchsquare.com)
Isotherm, kinetic and thermodynamic study of tetracycline adsorption were investigated. (researchsquare.com)
Correlation coefficients, kinetic, and isotherm parameters were calculated. (rotamining.com)
Also, thermodynamics, isotherm and kinetic studies were investigated. (analchemres.org)

Establishing the kinetic parameters of this reaction, such reaction orders and activation energies, can aid in the identification of the kinetic pathways that afford high product yields. (aiche.org)
The kinetic parameters, Michaelis- Menten constant and maximum velocity rate, at varying substrate concentrations, for the enzymes PL kinase and PMP (PNP) oxidase, were compared in 14 white - and 14 black male test subjects recruited from the SANDF. (up.ac.za)
In this study, the feasibility of using power ultrasound to improve the phenolic extraction from olive leaves was approached taking both compositional and kinetic issues into account and also determining the influence of the main process parameters (the electric power supplied, emitter surface and temperature). (upv.es)
This study aimed to perform reliability analyses for the Kinetic Family Drawing, in relation to inter- and intra-rater reliability parameters and temporal/test-retest stability. (bvsalud.org)
Topics addressed include: how sensitivity and uncertainty analyses allow the calculation of the overall uncertainty of simulation results and the identification of the most important input parameters, the ways in which mechanisms can be reduced without losing important kinetic and dynamic detail, and the application of reduced models for more accurate engineering optimizations. (bokus.com)
In this research, the Michaelis-Menten kinetic parameters from the asymmetric synthesis of (R)-1-phenylethylamine from acetophenone and alanine with immobilized ω-transaminase were estimated. (ump.edu.my)
The kinetic parameters such as, Michaelis-Menten constant (Km) and maximum rate of reaction (Vmax) were measured using initial rate experiments by varying the substrate acetophenone concentrations (2 mM to 10 mM) at 100 mM of amino donor. (ump.edu.my)
The kinetic parameters were then estimated by Lineweaver-burk analysis. (ump.edu.my)
Then, the reverse water-gas shift (RWGS) was also added to account for the presence/formation of CO. A nonlinear regression analysis was performed with the aim of finding kinetic parameters values allowing the minimization of the discrepancy between measured and calculated values of the CH4 yield (or CO2 conversion). (unical.it)
Despite our inability to determine the exact values of specific kinetic parameters , we could make reasonably accurate predictions of model behavior . (bvsalud.org)

Here we present a protocol for anaerobic protein purification, anaerobic protein concentration, and subsequent kinetic characterization using an oxygen electrode system. (jove.com)

We test them against simulated and experimental data containing the most prominent difficulties encountered in analyzing smFRET experiments: different noise levels, varied model complexity, non-equilibrium dynamics, and kinetic heterogeneity. (nature.com)
A unique aspect of smFRET is its ability to link space and time, i.e., to connect structural with kinetic information under both equilibrium and non-equilibrium conditions, which is often unachievable using ensemble methods. (nature.com)
Kinetic and equilibrium data are reported for reaction of 4-cyano-2,6-dinitroanisole where rapid formation of the 1,1-dimethoxy adduct is followed by slower equilibration with the imido-ester solvate. (dur.ac.uk)
Removal of Direct Red 23 Dye Using CeO2/NiO/NiAl2O4 Nanocomposite: Mechanism, Kinetic, Thermodynamic, and Equilibrium Studies', Analytical and Bioanalytical Chemistry Research , 10(1), pp. 45-62. (analchemres.org)

The resultant optimized mechanism predictions were found to be a better fi t for several existing n-dodecane data sets as well as those from the current study. (nist.gov)
A three site adsorption mechanism, with S1, S2 and S3 representing the adsorption sites with an increasing order of strength, was assumed to develop a transient kinetic model for the SO 2 storage/release over Al 2 O 3 and Pt/Al 2 O 3 . (confex.com)
Consequently, a particular type of a curved-line bending compliant mechanism is developed with the ability to reduce some of the deformation constraints, specifically the need to fold in an elastic-kinetic structure. (researchgate.net)
Studying an enzyme's kinetics in this way can reveal the catalytic mechanism of this enzyme, its role in metabolism , how its activity is controlled, and how a drug or a modifier ( inhibitor or activator ) might affect the rate. (wikipedia.org)
The adsorption kinetics and isotherms were tested to understand the adsorption mechanism using three kinetic models, i.e. (rotamining.com)

In addition, chemical kinetic simulations were performed to validate the experimental results and to analyze the elemental reaction process. (sae.org)
The kinetic mechanisms were observed to differ in their predictions from each other and a sensitivity analysis identif ed the cause of the divergences to differences in several of the C1- C3 reaction rate and thermochemistry values adopted in the mechanisms. (nist.gov)
Thermodynamic reaction control or kinetic reaction control in a chemical reaction can decide the composition in a reaction product mixture when competing pathways lead to different products and the reaction conditions influence the selectivity or stereoselectivity. (wikipedia.org)
Prevalence of thermodynamic or kinetic control determines the final composition of the product when these competing reaction pathways lead to different products. (wikipedia.org)
Thus, any catalytic reaction that provides product with nonzero enantiomeric excess is under at least partial kinetic control. (wikipedia.org)
At room temperature, kinetic reaction control prevails and the less stable endo isomer 2 is the main reaction product. (wikipedia.org)
An outstanding and very rare example of the full kinetic and thermodynamic reaction control in the process of the tandem inter-/intramolecular Diels-Alder reaction of bis-furyl dienes 3 with hexafluoro-2-butyne or dimethyl acetylenedicarboxylate (DMAD) have been discovered and described in 2018. (wikipedia.org)
Here, the difference in pKb between the base and the enolate is so large that the reaction is essentially irreversible, so the equilibration leading to the thermodynamic product is likely a proton exchange occurring during the addition between the kinetic enolate and as-yet-unreacted ketone. (wikipedia.org)
Computer Codes for the Study of Complex Reaction Systems. (bokus.com)
Kinetic parameter estimation of such biocatalytic reaction is useful to evaluate process and technology options. (ump.edu.my)
Main transport criteria were finally checked to evaluate whether operating conditions have been chosen properly in order to study the intrinsic reaction kinetics. (unical.it)
Kinetic Modeling and Parameter Estimation of a Prebiotic Peptide Reaction Network. (bvsalud.org)
However, peptide reaction networks can be challenging to study because of the potential for multiple species and systems-level interactions between species. (bvsalud.org)

article{ author = "Matijašević, Srđan and Grujić, Snežana R. and Topalović, Vladimir and Nikolić, Jelena and Smiljanić, Sonja and Labus, Nebojša and Savić, Veljko", year = "2018", abstract = "Crystallization kinetics of 22.5Li(2)O center dot 10Al(2)O(3)center dot 30GeO(2)center dot 37.5P(2)O(5) (mol%) glass was studied under non-isothermal condition using the differential thermal analysis (DTA). (ac.rs)

N-dodecane (n-C12H26) is a straight chain alkane that forms an important constituent of surrogate blends for common aviation fuels such as JP8 and Jet-A. The current study investigates n-dodecane pyrolysis and oxidation kinetics in the intermediate temperature regime of 1000K - 1300K in the Stanford Variable Pressure Flow Reactor facility. (nist.gov)
Enzyme kinetics is the study of the rates of enzyme-catalysed chemical reactions . (wikipedia.org)
Crystallization kinetics of 22.5Li(2)O center dot 10Al(2)O(3)center dot 30GeO(2)center dot 37.5P(2)O(5) (mol%) glass was studied under non-isothermal condition using the differential thermal analysis (DTA). (ac.rs)

A series of kinetic and structural investigations on ruthenium -based catalysts for asymmetric transfer hydrogenation ( ATH ) of ketones are reported. (rsc.org)
Asymmetric synthesis is a field in which the distinction between kinetic and thermodynamic control is especially important. (wikipedia.org)
Chiral amines can be synthesized by kinetic resolution of racemic amines or by the asymmetric synthesis from prochiral ketones. (ump.edu.my)

The kinetic gas equation can also be represented in the form of mass or density of the gas. (qsstudy.com)
Kinetic energy is an uncomplicated perception with an easy equation that is easy to derive. (qsstudy.com)
This is the kinetic equation for gases. (qsstudy.com)

Batch kinetic experiments showed that the adsorption followed Pseudo second -order kinetic model with correlation coefficients greater than 0.978. (japsonline.com)

In the present work, in order to study the activity recovery of a Pt/Al 2 O 3 DOC after sulfur poisoning, sulfur storage/release was studied using temperature-programmed desorption (TPD) experiments and a transient kinetic model was developed based on the experimental data. (confex.com)
In the DRIFTS experiments, pellets of Al 2 O 3 and Pt/Al 2 O 3 were prepared from the monolith washcoat and IR studies were performed with SO 2 and SO 3 concentrations similar to those employed in the flow reactor experiments. (confex.com)
The thermodynamic/kinetic simulation of post weld heat treatment of the P91/P22 joint shows how it is possible now to reduce time and money consuming experiments and optimise welding consumables used. (muni.cz)
However, even without matured predictions, kinetic models serve the purpose of compressing a plurality of experimental results into something that can empower the data interpretation, and importantly, suggesting new experiments by turning "knobs" in silico. (lu.se)

Rifaximin was subjected to forced degradation studies in order to check the specificity of the method. (hindawi.com)
The ICH guideline explicitly states the requirement of stability indicating methodology by conducting forced degradation studies under a variety of conditions, like pH, light, oxidation, dry heat, and so forth, and for separating drug from its degradation products, [ 3 , 13 ]. (hindawi.com)
Moreover, forced degradation studies are carried out to establish the inherent stability characteristics and degradation pathways under various conditions [ 14 ]. (hindawi.com)

This project aims to lay the groundwork for kinetic studies of the catalytic conversion of pure triolein (a model compound of the extracted lipid feed) in dodecane to optimize the catalytic process through which algae oil is converted to fuels. (aiche.org)
S. Cordier, L. Pareschi and G. Toscani, On a kinetic model for a simple market economy. (esaim-m2an.org)
While a kinetic model is necessary for weakly-collisional high-temperature plasmas, high collisionality in colder regions render the equations numerically stiff due to disparate time scales. (osti.gov)
According to the kinetic proofreading model, antigen discrimination properties could be explained by the gradual amplification of small differences in binding affinities as the signal is transduced downstream of the T cell receptor. (nature.com)
The kinetic proofreading model postulates that TCR ligand discrimination is due to several signaling steps that introduce a delay between ligand binding and T cell activation. (nature.com)
The dependence of E-a on the degree of glass-crystal transformation (alpha) was studied using model-free isoconversional linear integral KAS (Kissinger-Akahira-Sunose) and FWO (Flynn-Wall-Ozawa) methods. (ac.rs)
The model is evaluated by comparing predicted blood and brain concentrations to data from studies in rats and then allometrically scaling the results to humans. (cdc.gov)

This study was conducted to investigate the influence of low-temperature reactions on the Homogeneous Charge Compression Ignition (HCCI) combustion process. (sae.org)
article{osti_1458696, title = {Kinetic Simulation of Collisional Magnetized Plasmas with Semi-implicit Time Integration}, author = {Ghosh, Debojyoti and Dorf, Mikhail A. and Dorr, Milo R. and Hittinger, Jeffrey A. F.}, abstractNote = {Plasmas with varying collisionalities occur in many applications, such as tokamak edge regions, where the flows are characterized by significant variations in density and temperature. (osti.gov)
The study was performed by using the first crystallization peak temperature (T-p1) which belongs to the precipitation of LiGe2(PO4)(3) phase in the glass. (ac.rs)
They were showed that the NH4-N adsorption process onto zeolite was an exothermic physical adsorption process, randomness, and non spontaneous in the temperature range studied (25-60°C). Results indicate that zeolite is the most efficient cation exchanger for NH4-N removal from landfill leachate. (rotamining.com)
However, we verified a larger proportion of the thermodynamic isomer 4b in relation to the kinetic isomer 4a previously obtained at low temperature in the experiment described in Scheme 1 . (hindawi.com)

2000). Many animal studies have established the multiple neurotoxic effects of lead (ATSDR, 2007). (cdc.gov)

The experimental data were compared against the predictions of four detailed kinetic mechanisms. (nist.gov)
Despite the widespread use of urea in studies of protein a combination of these mechanisms. (lu.se)

DICTRA program and kinetic database DIF5 were used for diffusion simulation. (muni.cz)

In vitro studies of rifaximin have demonstrated broad-spectrum coverage including gram-positive, gram-negative, and anaerobic bacteria as well as a limited risk of bacterial resistance [ 5 ]. (hindawi.com)
And for the first time in 2005 JFH-1 genomes transfected into Huh-7 cells produced infectious virus allowing in vitro study of the entire HCV life cycle. (slideserve.com)
[ 5 ] distinguishable from each other by complementation studies of cultured fibroblasts in vitro. (medscape.com)

In the protonation of an enolate ion, the kinetic product is the enol and the thermodynamic product is a ketone or aldehyde. (wikipedia.org)
In the deprotonation of an unsymmetrical ketone, the kinetic product is the enolate resulting from removal of the most accessible α-H while the thermodynamic product has the more highly substituted enolate moiety. (wikipedia.org)

The primal aim of this thesis was to establish whether kinetic aspects of vitamin B6 metabolism predispose to earlier observed racial differences found in plasma pyridoxal-5'-phosphate (PLP). (up.ac.za)

G. Toscani, Kinetic models of opinion formation. (esaim-m2an.org)
Extracting testable kinetic rate models from the experimental time traces is complicated by experimental shortcomings. (nature.com)
Once formulated, kinetic models can be executed in terms of molecular rate equations for concentrations or by stochastic simulations when only a limited number of copies are involved. (lu.se)
Conceptual insights along with tested predictions have emerged from such kinetic models. (lu.se)

A cell culture system is here proposed opening new integrative studies on biomineralization, improving our knowledge on the role played by non-collagenous proteins in bone. (sorbonne-universite.fr)

In 1971, subsequent studies by Hsia et al of the original patient's sister demonstrated a specific defect in propionyl CoA carboxylase. (medscape.com)

The powerful ability to infer quantitative kinetic information from smFRET data is, however, complicated by experimental limitations. (nature.com)
Knowledge of the enzyme's structure is helpful in interpreting kinetic data. (wikipedia.org)
Leading Out of Home specialist, Kinetic has partnered with Times Radio to launch its latest data-driven campaign. (thedrum.com)
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Contraceptive utilization data were collected as part of a larger study focused on the impact of postpartum domestic violence on maternal and infant health. (who.int)
IMPLICATIONS: This original research study is a unique contribution to the literature because it presents data regarding the nonuse of postpartum contraception among women seeking immunizations for their infants in urban centers in a developing country. (who.int)

These results suggest consistent appearance rate, distribution and metabolism for the metabolites PLP and PL in the study population. (up.ac.za)
These results suggested similar excretion properties in my population study. (up.ac.za)
Here, we report the results of a blind benchmark study assessing eleven analysis tools used to infer kinetic rate constants from smFRET trajectories. (nature.com)
Our results highlight the current strengths and limitations in inferring kinetic information from smFRET trajectories. (nature.com)
The results showed substantial perfect agreement indices in the inter- and intra-rater reliability analyses for all items of the Kinetic Family Drawing, and in the test-retest there were no statistically significant differences between the mean scores of the two applications. (bvsalud.org)
Different kinetic rate expressions were then developed starting from experimental results. (unical.it)
In connection with our studies on the syntheses of potentially bioactive 2-pyrrolidinones and 3-pyrrolin-2-ones [ 1 ], we describe in this paper the results of the performed study on the chemical reactivity of these structural moieties in reactions of addition, nucleophilic substitution, elimination, and reduction as well as the protection of the lactamic nitrogen. (hindawi.com)
The results from that study, performed with the pyrrolidinones 4a - b , are described in Scheme 2 and Table 1 . (hindawi.com)

This is a presentation on advanced reactor types in kinetic studies. (eurokin.org)

This course is an ONLINE SELF STUDY examination preparation course that will assist those who are planning on writing the API 653 Above Ground Storage Tank Inspector Certification exam. (kineticinspection.ca)

Over the past two decades, single-molecule Förster resonance energy transfer (smFRET) detection has emerged as a powerful technique to study the dynamics of single biomolecules under physiological conditions using fluorescence as a readout 1 . (nature.com)
In order to further address the industrial applications of ultrasound assisted extraction, a kinetic study should be carried out determining both the effective energy introduced into the medium, as well as its influence on the extract quality. (upv.es)
By using satellite altimeter observations and the eddy-permitting Estimating the Circulation and Climate of the Ocean, Phase II (ECCO2), the seasonal variation of eddy kinetic energy (EKE) along the East Australian Current (EAC) is investigated. (mdpi.com)
Kinetic energy depends upon the velocity and the mass of the body. (qsstudy.com)
If the velocity of the body is zero then the kinetic energy will also be zero. (qsstudy.com)
In the extra-tropics we find that roughly 60% of the global surface geostrophic kinetic energy is at scales between 100 km and 500 km, peaking at 300 km. (aps.org)
Our analysis also reveals a clear seasonality in the kinetic energy with a spring peak. (aps.org)
Further Kinetic Studies of Solvolytic Reactions of Isobutyl Chloroformate in Solvents of Higher Ionizing Energy Under Conductometric Conditions. (trpv1inhibitor.com)

In order to attempt to understand their chemical and spectral behaviour the corresponding phenols and their Na(^+) and K(^+) salts have also been studied both in solution in dimethyl sulphoxide and in the solid state. (dur.ac.uk)

According to validation studies, the developed method was repeatable and specific as revealed by % RSD less than 2 and hence can be used for routine analysis of pharmaceutical formulation. (hindawi.com)
Fig. 1: This blind study reports on the performance of diverse analysis tools to describe single-molecule dynamics with quantitative kinetic rate constants. (nature.com)
This study focused on geometric accuracy of MDF kerfbending, including target-geometry design, cutting, bending, 3D scanning and analysis. (researchgate.net)

Single-molecule FRET (smFRET) is a versatile technique to study the dynamics and function of biomolecules since it makes nanoscale movements detectable as fluorescence signals. (nature.com)
To study conformational dynamics of one single molecule for an extended time (seconds to minutes), dye-labeled biomolecules are most commonly immobilized on passivated glass slides and imaged using camera-based brightfield detection, or confocal detection using avalanche photodiodes (APDs) 2 . (nature.com)

The important role of the Al 2 O 3 support in the catalyst sulfation, as previously reported in the literature [1-3], was also confirmed in the experimental study. (confex.com)
This is consistent with reports that the slow phosphorylation of tyrosine residues of the Lat adaptor associates with recruitment and activation of the phospholipase Plcγ1, thereby constituting an important kinetic bottleneck for ligand discrimination 11 . (nature.com)
It is important to note that Kinetic Inspection & Testing has no prior knowledge of what questions will be on the examination. (kineticinspection.ca)

Multiple labs joined forces to directly test the performance of diverse analytical approaches to infer kinetic rate constants in a blind study. (nature.com)

Application with the Grunwald-Winstein Equations to Studies of Solvolytic Reactions of Chloroformate and Fluoroformate Esters. (trpv1inhibitor.com)

E. coli expression of TIMP-4 and comparative kinetic studies with TIMP-1 and TIMP-2: insights into the interactions of TIMPs and matrix metalloproteinase 2 (gelatinase A) . Biochemistry , 41 (50), 15025-1535. (uea.ac.uk)

The resulting fluorescence time traces have a time resolution of about 10 ms − 100 ms for the most common camera-based studies, and picoseconds for single-photon counting APDs. (nature.com)
In this study, we propose an implicit-explicit algorithm for such cases, where the collisional term is integrated implicitly in time, while the advective term is integrated explicitly in time, thus allowing time step sizes that are comparable to the advective time scales. (osti.gov)
First time studying friction so be patient on me please. (physicsforums.com)

The nature of these studies requires the use of a system optimized to limit diffusion limitations and act with negligible transport resistances at steady-state. (aiche.org)
Diffusion and phase transformation processes were studied theoretically for P91/P22 weld joint. (muni.cz)

The scope of this study is to research the removal of NH4-N from landfill leachate using natural Turkish zeolite by adsorption process. (rotamining.com)

In addition, studies show soccer players and weight lifters have the most potential for long-term knee pain. (medscape.com)

The study protocol was approved by ethical review boards with the South Sudan Ministry of Health and Massachusetts General Hospital. (cdc.gov)

Overall, this study provides a comprehensive map of molecular events associated with T cell ligand discrimination. (nature.com)

The objective of this study was to investigate ciprofloxacin removal efficiency from aqueous solutions by using Magnesium Oxide nanoparticles (MgO). (japsonline.com)

Developmental processes, in particular those of stem and progenitor cell commitments, are not only topical but also particularly suitable for kinetic modeling due to the finite number of key genes involved in cellular decisions. (lu.se)
Stem and progenitor cell commitment processes have been subject to intense experimental studies over the last decade with some emphasis on embryonic and hematopoietic stem cells. (lu.se)

This study aimed to synthesize Fe 3 O 4 @Methylcellulose/3-Aminopropyltrimethoxysilane (Fe 3 O 4 @MC/APTMS) as a new magnetic nano-biocomposite by a facile, fast, and new microwave-assisted method and to be utilized as an adsorbent for tetracycline (TC) removal from aqueous solutions. (researchsquare.com)

The major objective of the study described was to find a simple method for the identification of individuals who are heterozygous for the "pentosuria" and normal alleles. (wits.ac.za)

If you have any questions regarding your suitability and chances of success in writing this challenging examination, please contact Kinetic Inspection & Testing and we will discuss your specific situation and give you recommendations on courses and training that will suit your specific goals and circumstances. (kineticinspection.ca)

The study of elimination of hydrogen iodide on 3-iodine-2-pyrrolidinone was based on a method of dehydrohalogenation reported in the literature [ 8 ]. (hindawi.com)

kinetic between the book and the table because the book and the table move relative to each other . (physicsforums.com)

Skidding tires are under the influence of kinetic friction. (physicsforums.com)

In such a case A is the kinetic product and is favoured under kinetic control and B is the thermodynamic product and is favoured under thermodynamic control. (wikipedia.org)

Since nomegestrol acetate is not readily biodegradable and no other degradation studies are available, the phrase "Nomegestrol acetate is potentially persistent" is chosen. (janusinfo.se)

Anatomy7

Organisms11

Chemicals and Drugs158

Analytical, Diagnostic and Therapeutic Techniques and Equipment28

Phenomena and Processes49

Disciplines and Occupations2

Technology, Industry, Agriculture1

Information Science4

Health Care2

Isotherm4

Parameters10

Characterization1

Equilibrium4

Mechanism5

Reaction13

Abstract1

Kinetics3

Asymmetric3

Equation3

Coefficients1

Experiments4

Forced degradation studies3

Model7

Temperature5

20001

Mechanisms2

Simulation1

Vitro3

Ketone2

Thesis1

Models4

Proteins1

Subsequent1

Data6

Results8

Presentation1

Preparation1

Energy8

Chemical1

Analysis3

Dynamics2

Important3

Rate1

Reactions1

Insights1

Time3

Diffusion2

Research1

Addition1

Protocol1

Molecular1

Investigate1

Processes2

Aqueous1

Objective1

Specific1

Method1

Table1

Influence1

Product1

Potentially1