1. A process for the preparation of an amorphous form of fluvastatin sodium, the process comprising: preparing a solution by dissolving the sodium fluvastatin in methanol; filtering the solution through a bed of diatomaceous earth to obtain a filtrate; and evaporating the filtrate to obtain a residue of amorphous fluvastatin sodium. 2.
Therefore, this work has carefully designed a 3D ordered macroporous amorphous Nb2O5 (3DOM A-Nb2O5) with rich mesoporosity as anode material for superior sodium storage.
Amorphous Solid - An amorphous solid is a solid that lacks an ordered internal structure. Amorphous solids, lacking the three-dimensional long-range order of a crystalline material, possess a more random arrangement of molecules, exhibit short-range order over a few molecular dimensions.
sodium atorvastatin atorvastatin amorphous sodium solution amorphous Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number CA2619040A Other ...
Feb 12, 2015· 13. A method for treatment of asthma in a subject, wherein the method comprises administering to the subject solid amorphous particles comprising an intimate admixture of amorphous tiotropium bromide together with a pharmaceutically acceptable amorphous co-solid selected from dextrose, fructose, glucosamine, glucose lactose, mannitol, maltitol, mannose, sorbitol, sucrose, …
Newly measured amorphous silica dissolution rate data were combined with data from the literature to produce an equa-tion that predicts the dissolution flux (J, mol/m2 s) of amorphous silica as a function of temperature (T, K), sodium concen-tration (m Na+, molal), and hydrogen ion activity (a H+). J ¼ 14:62 10 ðÞ774002:303R 1 ðÞ T þ8:95 ...
Jul 01, 2009· The major phase was an amorphous polymeric phase comprising the matrix of the whole material. The secondary sodium silicate hydrate phase was observed in the form of agglomerated precipitates with size ranging from 500 nm to 40 μm.
Colloids comprising amorphous borosilicate particles, wherein said borosilicate particles are not borosilicate glass; are described and claimed. These colloids have been found to be useful in aqueous systems, specially in papermaking.
Jan 12, 2021· From the Journal: Applied Physics Reviews Link to article: Sodium storage behavior of electron-rich element-doped amorphous carbon DOI: 10.1063/5.0029686. WASHINGTON, January 12, 2021 — Sodium-ion batteries are a potential replacement for lithium batteries, but the anodes — positively charged electrodes — that work well for lithium-ion batteries don't provide the same level of ...
Jul 20, 2006· Disclosed is a process for preparing amorphous montelukast sodium which comprises removing the solvent from a solution comprising montelukast sodium using agitated thin film drying. Also disclosed is a process for preparing amorphous montelukast sodium comprising a) dissolving montelukast in a solvent and recrystallizing montelukast b) reacting ...
The present invention relates to provide an improved process for preparation of an amorphous form of Pentosan polysulfate sodium, comprising steps of: i) dissolving crude Pentosan polysulfate sodium having molecular weight of 4000 to 6000 Dalton in water ii) spray drying the solution obtained in step (i) to obtain amorphous form of Pentosan polysulfate sodium
Amorphous solid dispersions of indomethacin (IMC) and sodium indomethacin (NaIMC) over a range of compositions were prepared by physically mixing amorphous IMC and amorphous NaIMC, as well as by coprecipitation from methanol solution. Measurement of glass transition temperatures, T(g), for the physical mixtures revealed two values indicating ...
Mar 15, 2021· The outstanding electrochemical kinetics of amorphous Sb 2 S 3-graphene may be due to the unique amorphous structure, as well as the interaction between Sb 2 S 3 nanocrystals and graphene sheets, which further enhance the electron transfer …
The excellent electrochemical performance should be attributed to the amorphous structures of Fe 2 O 3 as well as strongly interfacial interaction between Fe 2 O 3 and GNS, which not only accommodate more electrochemical active sites and provide the more transmission channels for sodium ions but also benefit electron transfer as well as ...
Aug 14, 2006· Disclosed is a crystalline sodium atorvastatin of form II which exhibits an X-ray diffraction pattern comprising 2 theta reflections of 6.85, 7.18, 8.33, 19.1 and 19.42 plus or minus 0.2. Also disclosed is a method to prepare said crystalline form comprising crystallization from ethanol and butanone, a composition comprising said crystalline form and the use of said crystalline form in the ...
sodium aluminosilicate Description: an acid salt comprising sodium, aluminium, silicon and oxygen. These include synthetic amorphous sodium aluminosilicate, a few naturally occurring minerals and synthetic zeolites. Synthetic amorphous sodium aluminosilicate …
A process for the preparation of amorphous solid dispersion of Elagolix sodium comprising the steps of: a) providing a solution comprising Elagolix sodium and one or more pharmaceutically acceptable carriers in a solvent, b) removing the solvent from the solution obtained in step (a) and, c) recovering amorphous solid dispersion of Elagolix sodium.
Apr 27, 2009· The present invention provides a process for the preparation of amorphous rabeprazole sodium said process comprising (a) suspending rabeprazole in an organic solvent having dielectric constant ranging between 1.8 to 21, wherein at least 80 % of the organic solvent is a ketonic solvent having dielectric constant ranging between 13 to 21; (b) adding aqueous sodium hydroxide; …
The colloids comprising amorphous borosilicate particles have an appearance ranging from a colorless, slightly turbid liquid to a milky white liquid depending upon the particle size of the amorphous borosilicate particles. The pH of the colloids is from about 8.00 to about 11.00, preferably from about 8.80 to about 10.70 (measured at 25° C.).
Sep 25, 2020· To the best of our knowledge however, the formulation of a co-amorphous system comprising of a drug and its own salt at a 1:1 M ratio has only been reported once, i.e., for the system indomethacin–indomethacin sodium (Tong and Zografi, 2001), and its physicochemical properties and dissolution behavior remain largely unknown. Therefore ...
The invention is directed to overcome the problems associated with the formation of rabeprazole sodium, i.e. formation of (2-({[4-(3-methoxypropoxy)-3-methylpyridin-2-yl]methyl}sulfonyl)-1H-benzimidazole side product which is achieved by a process for the preparation of amorphous rabeprazole salt, e.g. sodium, comprising the steps of:
Matrix-controlled channel diffusion of sodium in amorphous silica. Journal of Physics: Condensed Matter, 2003. Philippe Jund. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper. Read …
spray-dried amorphous solid dispersion (ASD) comprising 50% acalabrutinib and 50% hydroxy-propyl methylcellulose acetate succinate (HPMCAS, H grade) formulated as an immediate-release (IR) tablet. ASD tablets achieved similar area under the plasma drug concentration–time curve
Nov 09, 2015· Sodium-ion batteries (SIBs) are a promising candidate for grid electricity storage due to their potential low cost. The development of anode materials is a crucial step to promote the commercialization of SIBs, and amorphous carbon materials are likely to be the most promising alternatives among all proposed 2015 Journal of Materials Chemistry A Hot Papers
amorphous fluvastatin fluvastatin sodium sodium residue Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Withdrawn Application number EP04791860A Other languages German (de ...
Apr 09, 2021· Despite this, the anodes used in lithium-ion batteries (LIBs) have presented low performance when used in SIBs due to their poor sodium storage capacity. Recent studies have shown that amorphous carbon can be a suitable anode for SIBs, where the defects on the anode surface can store sodium ions. Now Yuqian Li of Zhejiang University, Liyuan ...
Jul 09, 2018· The abundance of sodium (Na), its low-cost, and low reduction potential provide a lucrative inexpensive, safe, and environmentally benign alternative to lithium ion batteries (LIBs). The significant challenges in advancing sodium ion battery (NIB) technologies lie in finding the better electrode materials. Experimental investigations revealed the real potency of germanium (Ge) as …
Apr 15, 2021· In this study, reduced plasma drug exposure at high gastric pH was overcome using a spray-dried amorphous solid dispersion (ASD) comprising 50% acalabrutinib and 50% hydroxypropyl methylcellulose acetate succinate (HPMCAS, H grade) formulated as an immediate-release (IR) tablet.
Amorphous and nanocrystalline vanadium pentoxide (V2O5) were prepared through a combination of sol-gel processing paired with electrochemical deposition and investigated as cathode for sodium-ion ...
Fabrication of amorphous Co–Cr–B and catalytic sodium borohydride hydrolysis for hydrogen generation - Volume 35 Issue 3. Skip to main content Accessibility help We use cookies to distinguish you from other users and to provide you with a better experience on our websites.
Sep 09, 1999· Nanoparticulate amorphous cyclosporine formulations, and nanoparticulate cyclosporine formulations comprising a mixture of amorphous and crystalline cyclosporine, having effective average particle sizes of less than about 2000 nm are described. The compositions exhibit increased bioavailability and increased consistency of bioavailability as compared to prior macro-sized …
4000 K and at the present concentration of This value has to be compared with the 'trivial' sodium, the 'forward–backward jumps' are not one which is 20% since each sodium atom has 5 important to the dynamics but it cannot be ex- other sodium atoms as nearest neighbors on aver- cluded that at lower temperature and/or higher E. Sunyer ...
A pharmaceutical composition comprising an ivabradine inclusion complex, or a pharmaceutically acceptable salt thereof, in amorphous form in unsubstituted β-cyclodextrin and one or more pharmaceutically acceptable excipients, in which the weight ratio of ivabradine, or a pharmaceutically acceptable salt thereof, and unsubstituted β-cyclodextrin ranges from 1: 1 to 1: 2.5.
Jan 28, 2014· The mechanisms by which amorphous intermediates transform into crystalline materials are poorly understood. Currently, attracting enormous interest is the crystallization of amorphous calcium ...
Abstract Mixture of starch and amorphous sodium. polyborate (SPB) is found to show high flame retardancy, when its aqueous solution is deposited and dried on organic. polymer materials such as ...
Jun 13, 2021· Herein, sodium-decorated amorphous/crystalline RuO 2 with rich oxygen vacancies (a/c-RuO 2) was developed as a pH-universal OER electrocatalyst. The a/c-RuO 2 shows remarkable resistance to acid corrosion and oxidation during OER, which leads to an extremely high catalytic stability, as confirmed by a negligible overpotential increase after ...
A process for manufacture of amorphous Rabeprazole sodium with mean particle diameter between 10 to 55 (um said process comprising addition of Rabeprazole to aqueous sodium hydroxide; addition of ethyl alcohol to the solution; distillation of solvents from the solution thus obtained till thick mass is obtained; addition of an organic solvent to ...
Request PDF | Amorphous Germanium as a Promising Anode Material for Sodium Ion Batteries: A First Principle Study | The abundance of Sodium (Na), its low-cost, and low reduction potential provide ...
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