Results 101 to 110 of about 1,454,218 (304)

Ion solvation in aqueous-organic mixtures [PDF]

, 2004
The importance of ion solvation in determining the properties of electrolyte solutions in aqueous-organic solvent mixtures is discussed. Solubility measurements are shown to be particularly useful for determining the Gibbs energies of transfer of ions ...
Hefter, G.T., Hefter, G.
core  

Solubility of Anthracene in Binary Alkane + 2-Methyl-1-propanol Solvent Mixtures

, 1994
Article on the solubility of anthracene in binary alkane + 2-methyl-1-propanol solvent ...
Wolfe, Joshua, Zvaigzne, Anita I., Acree, William E. (William Eugene)   +2 more
core   +1 more source

Stage‐Specific Patterns of Imaging and Non‐Motor Biomarkers in Spinocerebellar Ataxia Type 3

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Advancements in disease‐modifying therapies for spinocerebellar ataxia Type 3 (SCA3) underscore the need for robust biomarkers to monitor disease progression and evaluate treatment efficacy. Although motor phenotypes have been well characterized, less is known about non‐motor and imaging‐based features across different disease stages.
Chun Li, Zhi‐Xian Ye, Xuan‐Yu Chen, Liang‐Liang Qiu, Zhi‐li Chen, Yu‐Sen Qiu, Wei Lin, Ru‐Ying Yuan, Xin‐Tong Yu, Chun‐Yu Huang, Xin‐Yuan Chen, Min‐Ting Lin, Jian‐Ping Hu, Wan‐Jin Chen, Ning Wang, Shao‐Bo Yao, Shi‐Rui Gan, Ying Fu   +17 more
wiley   +1 more source

Evaluating the Effectiveness of Reference Solvent Solubility Calculations for Binary Mixtures Based on Pure Solvent Solubility: The Case of Phenolic Acids

Molecules
Predicting the solubility of active pharmaceutical ingredients (APIs) in binary solvent mixtures is a major challenge in formulation science, as physics-based models often fail to capture complex, non-additive mixing effects. This study presents a robust
Piotr Cysewski, Tomasz Jeliński, Rafal Rozalski, Fabian Lesniewski, Maciej Przybyłek   +4 more
doaj   +1 more source

A Thermodynamic Study of Complex Formation between 15-Crown-5 with Mg2+, Ca2+, Sr2+ and Ba2+ in Acetonitrile Methanol Binary Mixtures Using Conductometric Method [PDF]

Iranian Journal of Chemistry & Chemical Engineering, 2001
The complexation reactions between Mg2+, Ca2+, Sr2+ and Ba2+ metal cations with 15-crown-5 (15C5) were studied in acetonitrile (AN)-methanol (MeOH) binary mixtures at different temperatures using conductometric method. 15C54 forms 1:1 complexes with Mg2+,
Gholam Hossein Rounaghi, Raziyeh Sanavi Khoshnood   +1 more
doaj  

RPLC method development and validation for the quantitative determination of phenytoin and valproic acid in tablet formulations [PDF]

Brazilian Journal of Pharmaceutical Sciences
In this study, the reverse phase liquid chromatography (RPLC) method was preferred to determine the chromatographic behavior of phenytoin and valproic acid, the active ingredients of antiepileptic drugs. The optimization of the developed method was based
Ebru Çubuk Demiralay, Abdullah Cengiz, Zehra Üstün, İkbal Demet Nane   +3 more
doaj   +1 more source

A Two‐Stage Plasma Biomarker Algorithm Reduces Amyloid PET Use and the p‐Tau217 Gray Zone

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Plasma p‐Tau217 leaves 30%–50% of patients in an indeterminate “gray zone” often requiring Aβ‐PET. We developed GRAD (Gatekeeper‐Reflex for Alzheimer's Disease), a two‐stage Aβ‐positivity prediction model to improve classification while reserving Aβ‐PET for residual uncertainty.
Harthik Parankusham, Casey Vanderlip, Colin Birkenbihl, Eashwar Krishna, Chizobam Ugboaja, Andrew E. Budson, Brandon Frank, for the Alzheimer's Disease Neuroimaging Initiative   +7 more
wiley   +1 more source

Polarity of Organic Solvent/Water Mixtures Measured with Reichardt’s B30 and Related Solvatochromic Probes—A Critical Review

Liquids
The UV/Vis absorption energies (νmax) of different solvatochromic probes measured in co-solvent/water mixtures are re-analyzed as a function of the average molar concentration (Nav) of the solvent composition compared to the use of the mole fraction. The
Stefan Spange
doaj   +1 more source

Parkinson Disease Subtype Stability and Eventual Convergence

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Previous research identified distinct Parkinson disease (PD) clinical subtypes of “Motor Only,” “Psychiatric & Motor,” and “Cognitive & Motor” based on comprehensive, multidomain classification. Whether these subtypes reflect distinct trajectories or progressive disease stages remains unknown.
Laura M. Rosok, Christina N. Lessov‐Schlaggar, Abdulmunaim M. Eid, Erin R. Foster, Baijayanta Maiti, Hailee Domash, Helen Hwang, Richard J. Perrin, Paul T. Kotzbauer, Joel S. Perlmutter, Meghan C. Campbell   +10 more
wiley   +1 more source

Solubility of Pyrene in Binary Alcohol + 1-Propanol and Alcohol + 2-Propanol Solvent Mixtures [PDF]

, 1995
Article on the solubility of pyrene in binary alcohol + 1-propanol and alcohol + 2-propanol solvent ...
Miller, Brian J., Zvaigzne, Anita I., Acree, William E. (William Eugene)   +2 more
core   +1 more source