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The first validated stability-indicating HPLC/DAD method for quantitation of Vericiguat in its pharmaceutical formulation; Application to degradation kinetic studies.
Publication Type: Academic Journal
Source(s): Talanta [Talanta] 2023 Jul 01; Vol. 259, pp. 124498. Date of Electronic Publication: 2023 Mar 29.
Abstract: The stability of innovative drug formulations and the development of appropriate stability-indicating methods remain major focuses of recent pharmaceutical analysis. In the present study, an efficient stability-indicating HPLC-DAD technique has been de...
Interrogating the configurational stability of atropisomers.
Publication Type: Academic Journal
Source(s): Nature protocols [Nat Protoc] 2023 Sep; Vol. 18 (9), pp. 2745-2771. Date of Electronic Publication: 2023 Aug 04.
Abstract: Atropisomers are molecules whose stereogenicity arises from restricted rotation about a single bond. They are of current importance because of their applications in catalysis, medicine and materials science. The defining feature of atropisomeric molecu...
Aggregation kinetics of a concentrated colloidal suspension under oscillatory flow.
Publication Type: Academic Journal
Source(s): The European physical journal. E, Soft matter [Eur Phys J E Soft Matter] 2023 Jun 23; Vol. 46 (6), pp. 49. Date of Electronic Publication: 2023 Jun 23.
Abstract: The aggregation behavior of an attractive colloidal silica suspension under oscillatory flow is studied using rheological measurement. We show that the competition between the aggregation of the particles and the aggregate breakup under external stress...
An ultrafast phototrigger of the Trp5CN-Trp motif in a β-hairpin peptide.
Publication Type: Academic Journal
Source(s): The Journal of chemical physics [J Chem Phys] 2023 May 28; Vol. 158 (20).
Abstract: Phototriggers are useful molecular tools to initiate reactions in enzymes by light for the purpose of photoenzymatic design and mechanistic investigations. Here, we incorporated the non-natural amino acid 5-cyanotryptophan (W5CN) in a polypeptide scaff...
Random sequential adsorption of aligned regular polygons and rounded squares: Transition in the kinetics of packing growth.
Publication Type: Academic Journal
Source(s): Physical review. E [Phys Rev E] 2023 May; Vol. 107 (5-1), pp. 054904.
Abstract: We study two-dimensional random sequential adsorption (RSA) of flat polygons and rounded squares aligned in parallel to find a transition in the asymptotic behavior of the kinetics of packing growth. Differences in the kinetics for RSA of disks and par...
Opinion formation models with extreme switches and disorder: Critical behavior and dynamics.
Publication Type: Academic Journal
Source(s): Physical review. E [Phys Rev E] 2023 May; Vol. 107 (5-1), pp. 054106.
Abstract: In a three-state kinetic exchange opinion formation model, the effect of extreme switches was considered in a recent paper. In the present work, we study the same model with disorder. Here disorder implies that negative interactions may occur with a pr...
A reinforcement learning-based hybrid modeling framework for bioprocess kinetics identification.
Publication Type: Academic Journal
Source(s): Biotechnology and bioengineering [Biotechnol Bioeng] 2023 Jan; Vol. 120 (1), pp. 154-168. Date of Electronic Publication: 2022 Oct 26.
Abstract: Constructing predictive models to simulate complex bioprocess dynamics, particularly time-varying (i.e., parameters varying over time) and history-dependent (i.e., current kinetics dependent on historical culture conditions) behavior, has been a longst...
Diffusion Kinetics Theory of Removal of Assemblies' Surface Deposits with Flushing Oil.
Publication Type: Academic Journal
Source(s): Computation. Aug2023, Vol. 11 Issue 8, p164. 12p.
Abstract: The diffusion kinetics theory of cleaning assemblies such as combustion engines with flushing oil has been introduced. Evolution of tar deposits on the engine surfaces and in the lube system has been described through the erosion dynamics. The time-dep...
Reversible and Non-Competitive Inhibition of Cyclooxygenase by Indobufen for Efficient Antiplatelet Action and Relief of Gastrointestinal Irritation.
Publication Type: Academic Journal
Source(s): Pharmaceutics. Aug2023, Vol. 15 Issue 8, p2135. 16p.
Abstract: Clinically, indobufen is widely used for the treatment of antiplatelet aggregation and anticoagulation. Prior studies have discovered that abnormal platelet function can be promptly restored to normal when the drug is stopped. Herein, through the study...
Studies on Water–Aluminum Scrap Reaction Kinetics in Two Steps and the Efficiency of Green Hydrogen Production.
Publication Type: Academic Journal
Source(s): Energies (19961073). Jul2023, Vol. 16 Issue 14, p5554. 17p.
Abstract: This work aims to explain aluminum hydrolysis reaction kinetics based on a properly chosen theoretical model with machined aluminum waste chips as well as alkali solutions up to 1M as a promoter and to estimate the overall reaction profit. The purpose ...