Disclosed is a nanoparticle dispersion comprising nanoparticles dispersed in an aqueous medium in the presence of at least one stabilizer. The nanoparticles comprise at least lactam compound of formula I wherein R1, R2, R3, R4, R5, R6, R7, and Q are defined herein. A method is provided of the parenteral administration of the nanoparticle dispersion as a treatment for cancer or another ...
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Grinding Temperature With Nanoparticle Jet Minimum
One patent involves the nanoparticle jet flow in the MQL of grinding lubricant supply systems. An MQL grinding lubricant is prepared by adding nanoscale solid particles into a degradable grinding liquid. The lubricant is turned into pulse liquid drops with fixed pressure, variable pulse
Lipid Nano And Microparticles An Overview Of Patent
The traits of lipid biocompatibility and versatility have led to many nano- and microparticulate lipid formulations being engineered, over the last two decades, in the form of spheres and capsules, using solid and liquid lipids as the matrices. This review describes the main types of lipid nano- and microparticles, as well as their preparation methods, administration routes, and main fields of ...
Nanoparticle Processing Understanding And Controlling
May 01, 2020 Mechanical grinding of aggregated particles is often practiced to make nanoparticles, but the particle size is typically broad and impurities can get incorporated from wearing of the milling agent . Chemically-bonded agglomerates are attractive for certain applications, e.g., catalysis, fiber optics and electroceramics e.g. battery.
Preparation And Nearinfrared Photothermal Conversion
Feb 05, 2013 Cs0.33WO3 nanoparticles have been prepared successfully by a stirred bead milling process. By grinding micro-sized coarse powder with grinding beads of 50 m in diameter, the mean hydrodynamic diameter of Cs0.33WO3 powder could be reduced to about 50 nm in 3 h, and a stable aqueous dispersion could be obtained at pH 8 via electrostatic repulsion mechanism.
Dispersing Nanoparticles In Liquids Sciencedirect
Dec 10, 2004 Dispersion of a paint filler shows the change in the particle size with stressing time in a stirred ball mill. Most of the agglomerates of the feed are larger than 100 m. During dispersion, two agglomerate sizes can be seen more clearly in the depiction as density distribution see Fig. 12. Both the smaller agglomerates around 1 m and the ...
Grinding And Dispersing Nanoparticles 2018 In Myanmar
Jan 01 2018 The grinding and dispersion of nanoparticles by bead milling have important effects on the characteristics of the resultant product thus the demand for grinding and dispersion techniques becomes high Various types of grinding and dispersing machines . ... nanoparticle dispersion grinding patent ...
Synthesis Of Magnetite Nanoparticles By Topdown
This study attempts to synthesize magnetite nanoparticles from a high purity natural iron oxide ore found in Panvila, Sri Lanka, following a novel top-down approach. Powder X-Ray diffraction, elemental analysis, and chemical analysis data confirmed the ore to be exclusively magnetite with Fe sup 2 sup ampx2009ampx2009Fe sup 3 sup ratio of 1ampx2009ampx20092. Surface
NanoParticle Jetting technology enables the additive manufacturing of ceramic and metal parts using multiple materials. Leveraging our robust inkjet technology enabled by our unique liquid dispersion methodology, XJet is working to introduce a growing number of metal and ceramic build materials to anticipate evolving industry needs.
nanoActiv solutions employ inorganic nano-sized particles in a colloidal particle dispersion, harnessing their power to penetrate porous media on a nanoscopic scale. nanoActiv particles form a Brownian-motion, diffusion-driven mechanism known as disjoining pressure 1 greatly facilitating and accelerating the mobility of gas, oil, and ...
Takuya Harada Hatton Research Group
PT8 Takuya Harada, H. Fujiwara, H. Nishikubo, K. Takashiba, JP Patent Application No. 2006-304361, Nanoparticle, nanoparticle dispersion and method for producing nanoparticle and nanoparticle dispersion Rights owned by Furukawa Electric Co. Ltd.
Oral Fastrelease Solid Dispersionparadigm Shift To
Title Oral Fast-Release Solid Dispersion-Paradigm Shift to Nanoparticles VOLUME 5 ISSUE 3 AuthorsTin W. Wong AffiliationFaculty of Pharmacy, Universiti Teknologi MARA, 42300 Puncak Alam, Selangor, Malaysia. KeywordsDrug dissolution, nanoparticles, solid dispersion, Melt Agglomeration, Extrusion-Spheronization, Spray Freeze Drying, Supercritical Fluid Processing, Freeze Drying ...
Production Of Organic Pigment
Stirred media mills are widely used in industry for fine and ultra-fine grinding of various materials and dispersion of aggregates. There is a growing interest in the large- ... The Kodak patents ... little work has been performed in understanding nanoparticle production through a grinding process.13-15 This study will further the understanding ...
Application Of Solidstate Nmr Relaxometry For
Mar 07, 2016 Application of Solid-State NMR Relaxometry for Characterization and Formulation Optimization of Grinding-Induced Drug Nanoparticle. Ueda K1, Higashi K1, Moribe K1. Author information 1Graduate School of Pharmaceutical Sciences, Chiba University , 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan.
Patent Issues Highlight Risks Of Modernas Covid19
Sep 14, 2020 Lipid nanoparticle LNP dispersion containing an mRNA that encodes for the prefusion stabilized spike protein 2019-nCoV. mRNA-1273 consists of an mRNA Drug Substance that is manufactured into ...
Us 5145684 A Surface Modified Drug Nanoparticles The
00079 A nanoparticle dispersion of Danazol was prepared using 1 mm diameter glass grinding media 0.85-1.18 mm from Potters Industries. A cylindrical glass vessel having a diameter of 2.75 inches 7.0 cm with a volume of 400 ml was charged with 212 ml of unleaded glass grinding media.
Surface Modified Drug Nanoparticles Sterling Drug Inc
A nanoparticle dispersion of Danazol was prepared for clinical evaluation using a ball milling dispersion method. This dispersion was prepared by milling with glass grinding media. The grinding media used was Media type 0.85-1.18 mm unleaded glass spheres . Media quantity 6100 ml . The media was added to a 3 gallon porcelain jar.
Method Of Preparing Stable Drug Nanoparticles
4 adding a surface modifier to the autoclaved drug substance and grinding media in a dispersion medium and wet grinding the drug substance sufficient to maintain an effective average particle size of less than 400 nm. The particles of this invention comprise a drug substance. The drug substance exists as a discrete, crystalline phase.
Organic Pigment Nanoparticle Dispersion Producing Method
Patent Examined Patent Application - Republic of Korea. Application KR20070054145 on 2007-06-01. Publication 2007-12-06. Abstract. An organic pigment nanoparticle dispersion, its preparation method, a colored photosensitive resin composition containing the dispersion, a photosensitive resin transfer material using the composition, a color ...
Process For Preparation Of Nanoparticles From Magnetite
Mar 08, 2012 The particle sizes observed for the dispersion prepared using 1 mm and 0.5 mm zirconium oxide grinding balls in the final grinding stages were 32 and 21 nm, respectively see FIGS. 3 and 4 the observed zeta potentials of the nanoparticle dispersions were 40 and 42 mV, respectively.
Nanoparticle Dispersion Containing Lactam Compound
Disclosed is a nanoparticle dispersion comprising nanoparticles dispersed in an aqueous medium in the presence of at least one stabilizer. The nanoparticles comprise at least lactam compound of formula I wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , and Q are defined herein. A method is provided of the parenteral administration of the nanoparticle dispersion as a treatment for cancer or ...
Fine Grinding And Dispersion Machine K8010010
Grinding and Dispersion Equipment For Nano Scale Applications Harry Way, Technical Director, NETZSCH Fine Particle Technology, LLC INTRODUCTION Ever since Tokyo University of Science professor Norio Taniguchi coined the term, nano-technology in 1974, we have heard much about nanoparticles and what can be done with them.
Grinding And Dispersing Nanoparticles Free Online Library
Jan 01, 2004 Over the past few years we have observed an increase in the desire to use bead mills for grinding and dispersion of nanoscale particles. The objective of this paper is a general discussion of how this process works in a bead mill, the parameters required to successfully produce these nanoscale dispersions, and some experience in grinding or particle size reduction of solids to the nanoscale.
United States Patent Application Publication Pub No
Patent Application Publication Sep. 29, 2011 Sheet 2 of 5 Jl 0 ..,.Br Br 7-toluene Macroinitiator Scheme Figure 3 t CulBrHMTETA 40 C, 27h oyO
Nanoparticle Dispersion Qsonica
Proven Nanoparticle Dispersion Technology High shear forces created by ultrasonic cavitation have the ability to break up particle agglomerates and result in smaller and more uniform particles sizes. The stable and homogenous suspensions produced by ultrasonics are widely used in many industries today. Probe sonication
Solidstate Synthesis Of Iron Oxide Nanoparticles The
A method for preparing -Fe 2 O 3 nanoparticles, the method comprising grinding together at least an iron II hydrated salt, an iron III hydrated salt, an inorganic salt, and alkali hydroxide in a grinding or milling machine, wherein said grinding step produces an aqueous dispersion of -Fe 2 O 3 nanoparticles.
Nanoparticle Technology Formulating Poorly
NANOPARTICLE TECHNOLOGY FORMULATING POORLY WATER-SOLUBLE COMPOUNDS A REVIEW ... For dispersion and wet grinding in the micron to nano range dyno mill is generally used. ... Czekai D.A, Liversidge G.G. Surface modified drug nanoparticles. 1992 US Patent 5145684. Chakka V. M., Altuncevahir B., Jin Z. Q., Magnetic nanoparticles produced by ...
Unusual Pd Nanoparticle Dispersion In Microenvironment
Dec 13, 2020 Unusual Pd nanoparticle dispersion in microenvironment for p-nitrophenol and methylene blue catalytic reduction ... with the assistance of grinding CoCl3 6H2O and the as-prepared mesoporous SiO2. ...
Epo T 125514 Pigment Grinding Of 942019
Tables 1 and 2 of the patent show that by using an LX value of 0.0075, i.e. inside the claimed range example 4, a pigment dispersion having better properties in terms of particle size, stability upon heating, optical density and gloss was obtained as compared to dispersions containing the same pigment as example 4 but produced with LX ...
Grinding And Dispersing Nanoparticles 2004
Experimental Investigation Of Nanoparticle Dispersion By Dec 15 2006 beads mills are used in industrial processing for grinding and dispersing agglomerated particles with primary particles in the submicrometer size range commercial beads mills currently utilize beads larger than 20 m and have been unsuccessful in dispersing nanoparticles with ...
Liquid Crystalline Colloids Of Nanoparticles Preparation
Jan 01, 2010 Liquid crystal colloidal dispersions can be divided into two groups depending on the sizes R of the particles dispersed in the liquid crystal 1 colloids of microparticles and 2 colloids of nanoparticles. However, a proper characterization requires additional physical data the polar anchoring energy W, the work needed to reorient the director away from the preferred direction by 90 ...
Nanoparticle Technology Handbook Toyokazu Yokoyama
Apr 27, 2012 Nanoparticle technology is a new and revolutionary technology, which is increasingly being used in electronic devices and nanomaterials. It handles the preparation, processing, application and characterisation of nanoparticles and has become the core of nanotechnology as an extension of the conventional fine particle powder technology.
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