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  • stationary phases
  • Monolithic stationary phases for use in liquid chromatography possess unique characteristics, the most significant of which is a relatively high flow through porosity leading to low column pressure drops, with the potential for use with elevated flow rates leading to faster separations. (dcu.ie)
  • thesis
  • M.S. students have an option to participate in scientific research activities that include computational and mathematical modelling or field-study projects (M.S. with thesis). (edu.sa)
  • enantiomers
  • A number of chiral separations were addressed such as ketoprofen, flurbiprofen, guaifenesin and nadolol enantiomers. (up.pt)
  • To this end, a new $N$-(3,5-dinitrobenzoyl)-$\beta$-amino acid derived CSP was synthesized and evaluated for the separation of enantiomers. (illinois.edu)
  • The $N$-(3,5-dinitrobenzoyl)-$\beta$-amino acid derived CSP affords superior performance for the separation of the enantiomers of many chiral compounds, including $\alpha$-naphthyl carbamate derivatives of chiral alcohols and 3,5-dimethylanilide derivatives of chiral carboxylic acids. (illinois.edu)
  • equilibrium
  • Faujasite-type zeolites have been extensively studied to determine accurate equilibrium isotherms in order to fully understand the separation phenomenon and to select appropriate desorbents. (up.pt)
  • Toward Understanding the Influence of Ethylbenzene in p-Xylene Selectivity of the Porous Titanium Amino Terephthalate MIL-125(Ti): Adsorption Equilibrium and Separation of Xylene Isomers. (up.pt)
  • LSRE has studied this separation process by addressing several aspects such as the comparison of different modeling strategies, the study of the influence of mass transfer resistance in the SMB performance and the development of different design methodologies, from the equilibrium theory to more accurate approaches as the Separation Volume concept. (up.pt)
  • Ultrafast laser excitation can temporarily destroy these thermodynamic ground states and result in quasi-equilibrium states, that is, transient states or metastable phases, which are generally reversible, and revert back to the thermal equilibrium states within 10 −9 to 10 −3 s ( 6 - 11 ), in contrast to the stable photoinduced states in manganite ( 12 , 13 ) and chalcogenide glasses ( 14 ). (sciencemag.org)
  • The kinetic process of CDW orders driven by optical excitation revealed that the photoinduced CDW transition follows a distinctly different mechanism from that of the thermally driven equilibrium phase transition. (sciencemag.org)
  • Recently, a stable photoinduced hidden (H) electronic state has been found in the Mott insulator 1T-TaS 2 ( 19 ), which is fundamentally different from any other state in the equilibrium phases and attributed to photodoping effects that result in evident changes in the free energy, and brings nonthermodynamic changes of the energy landscape ( 16 ). (sciencemag.org)
  • transition
  • Originally considered for the modelling of physical phenomena such as phase transition and phase separation (cf. [ 12 ] for a survey on the topics), it is used in imaging for approximating the TV energy. (springer.com)
  • In situ cooling transmission electron microscopy observations, initiated by a single femtosecond laser pumping with a low fluence, reveal a clear transition from a commensurate CDW phase ( q C ) to a new CDW order with q H = (1 − δ) q C for the H-CDW state (δ = 1/9) accompanied by an evident phase separation. (sciencemag.org)
  • Layered transition-metal dichalcogenides (TMDs) 1T-TaS 2− x Se x and 2H-TaS 2 have been extensively studied because they exhibit a number of intriguing electronic phases from various textured charge density waves (CDWs) to the Mott insulating states and the superconducting state ( 1 - 5 ). (sciencemag.org)
  • spatial
  • However, quantitative three-dimensional characterization of the phase separation in these alloys is still challenged by the spatial quantification of nanoscale phases. (osti.gov)
  • In these fMRI, PET, MEG, and EEG studies, the spatial patterns of differences in activation between a task and the baseline, and between different tasks or stimuli have been one of the most common sources of evidence for functional specialization. (frontiersin.org)
  • carbon
  • In many cases, MCPs outperform their zeolite and activated carbon counterparts both kinetically and in efficiency of separation. (rsc.org)
  • Following such conditioning the retention factors for the mixture of butylbenzene and nitrobenzenene were significantly increased under normal phase conditions, indicating increased surface polarity on the glassy carbon monolith. (dcu.ie)
  • The formation of metallic monolithic structures within the actual larger flow through pores (5-10 μm) of the carbon rods was also studied, leading to the formation of novel gold modified carbon monolithic phases. (dcu.ie)
  • LCST
  • The new ATPS based on the thermo-responsive copolymer P VBAm / P N possessed appropriate recycling characteristics regarding LCST, as well as recovery and phase separation characteristics. (springer.com)
  • Particle
  • Such particle stabilized emulsions are also known as Pickering emulsions and have been studied extensively for O/W emulsions. (whiterose.ac.uk)
  • Transmission electron microscopy studies showed that the particle sizes were approximately 4 nm in diameter, which is consistent with the size obtained using UV-vis spectroscopy. (hindawi.com)
  • process
  • A liquid-phase oxidation with a gaseous oxygen, wet air oxidation (WAO), is the simple process for wastewater treatment without photoirradiation, sonication, nor addition of oxidizing agent. (frontiersin.org)
  • Therefore, heterogeneous catalysts have received attention, because the additional separation process is not necessary. (frontiersin.org)
  • These original phase-forming components were difficult to recover, due to high cost and the large amounts of salt required, which limited their use for process-scale separations. (springer.com)
  • Herein, we apply a dual tomography approach, where correlative scanning transmission electron microscopy (STEM) energy-dispersive X-ray spectroscopic (EDS) tomography and atom probe tomography (APT) are used to investigate the initial phase separation process of an alnico 8 alloy upon non-magnetic annealing. (osti.gov)
  • probe
  • This article summarizes experiments from the author's laboratory in which a combination of atomic force microscopy and near-field scanning optical microscopy is used to probe phase separation in supported monolayers and bilayers as models for membrane rafts. (mendeley.com)
  • protein
  • Here we identify an in vivo regulator of liquid-liquid phase separation through a genetic screen targeting factors required for Arabidopsis RNA-binding protein FCA function. (jic.ac.uk)
  • To the best of our knowledge, previously, no 4-component phase diagram, with protein as one of the components, has been reported. (tdl.org)
  • The identification of tAD s as short protein sequences sufficient for transcription activation will enable the systematic study of TF function, which-particularly for TF s of different transcription activating functionalities-is still poorly understood. (embopress.org)
  • Methods
  • MATERIAL AND METHODS: The study involved 36 young men divided into two groups. (biomedsearch.com)
  • Some of the synthetic methods use Cd 2+ and H 2 S in separate phases that are unevenly mixed and result in the uneven formation and aggregation of CdS NPs. (hindawi.com)
  • Two new RP-C18 methods for HPLC-DAD analysis of tea flavonoids were developed to facilitate separation of catechins within 5 min and separation of catechins and theaflavins within 10 min total analysis time. (jove.com)
  • stable
  • H-CDW domain relaxation then occurs and yields a stable metallic phase under a high-fluence excitation. (sciencemag.org)
  • polypeptide
  • This work is the first study of this kind which investigate the effect of polypeptide gramicidin-A on Lo+Ld phase boundaries. (tdl.org)
  • years
  • In recent years, ultrafast transitions and relevant structure dynamics have been extensively investigated in TaS 2 family ( 15 - 18 ). (sciencemag.org)
  • functional
  • Thus, the idea of functional specialization in non-invasive neuroimaging has been examined extensively and is now largely accepted. (frontiersin.org)
  • Even though transcription factors ( TF s) are central players of gene regulation and have been extensively studied, their regulatory trans ‐activation domains ( tAD s) often remain unknown and a systematic functional characterization of tAD s is lacking. (embopress.org)
  • buffer
  • Using a buffer solution containing 25 mM sodium tetraborate and 100 mM sodium dodecyl sulfate as surfactant, at a pH of 9.3, applying a voltage of + 25 kV at a temperature of 25 °C, we achieved the simultaneous separation of the studied penicillin derivatives in less then 5 minutes. (scielo.br)
  • derivatives
  • The applicability of capillary electrophoresis for the analysis of four extensively used penicillin derivatives (benzylpenicillin, ampicillin, amoxicillin, oxacilllin) has been studied. (scielo.br)
  • model
  • A cluster distribution kinetics model without nucleation is established to describe the unique kinetics of new phase domain growth. (lsu.edu)
  • show
  • Our findings show that coiled-coil proteins can promote liquid-liquid phase separation, which expands our understanding of the principles that govern the in vivo dynamics of liquid-like bodies. (jic.ac.uk)
  • Population balance equations show how clusters aggregate and rapidly lead to phase separation. (lsu.edu)
  • The results of this study show that diverse plant materials are a promising source for the isolation of OATP modulating compounds, and that a bioassay-guided approach can be used to efficiently identify selective OATP modulators. (ku.edu)
  • retention
  • This study evaluated the tensile strength, burst pressure and suture retention of CUPE biphasic scaffolds to determine if the scaffolds met the requirements for immediate implantation in an in vivo tissue engineering approach. (pubmedcentralcanada.ca)
  • further
  • This study describes further development of a method to evaluate thyriothecium maturity, and growth and maturation of thyriothecia of S. pomi on one of its major, natural reservoir hosts, wild blackberry ( Rubus allegheniensis Porter) in nature. (apsnet.org)