Porous silica silica gel column chromatography chromatography gel. Medical search. Frequent questions

The HPLC column is packed with either fully porous silica particles, superficially porous silica particles, polymeric particles or consists of a monolithic silica rod as the stationary phase. (sigmaaldrich.com)
The Shim-pack MC C18 is a 70 MPa column packed with 1.9 μm fully-porous silica gel type ODS. (shimadzu.shop)

His studies mainly focused on separating leaf pigments using a solvent in a column packed with particles. (tech-publish.com)
The compounds that have strong attracted to the particles filled in the columns passed downwards slowly compared to those which were more strongly attracted to the solvent and moved faster. (tech-publish.com)
Flash chromatography differs from the conventional technique in two ways: first, slightly smaller silica gel particles (250-400 mesh) are used, and second, due to restricted flow of solvent caused by the small gel particles, pressurized gas ( ca. 10-15 psi) is used to drive the solvent through the column of stationary phase. (ijpsr.com)
Supel™ Carbon LC U/HPLC columns packed with porous graphitic carbon (PGC) particles, used for the HPLC, UHPLC, UPLC, and LC-MS separation of polar or charged compounds at high temperatures (up to 250 ˚), pressures up to 700 bar, and the mobile phase pH range of 1-14. (sigmaaldrich.com)
Since their inception in the 1970s, superficially porous particles (SPPs) have offered good performance and are indispensable in high-speed high performance liquid chromatography (HPLC) (1). (chromatographyonline.com)
however, almost half a century later, organosilanes are still being grafted onto silica particles via the same chemistry described back then. (chromatographyonline.com)

Different methods are available for the separation of small molecules including High Performance liquid chromatography (HPLC) , liquid chromatography (LC) , gas chromatography (GC) , thin-layer chromatography (TLC) and capillary electrophoresis (CE). (sigmaaldrich.com)
Determine by thin-layer chromatography, coating the plate with silica gel G. (qualityguidances.com)
In this work, high-performance thin-layer chromatography (HPTLC) coupled with multivariate image analysis (MIA) is proposed as a fast and reliable tool for authentication and adulteration detection of Iranian saffron samples based on their HPTLC fingerprints. (sharif.edu)

Correspond to USP number L01: Octadecyl silane bonded to porous silica or ceramic microparticles, 3 to 10 micrometers in diameter. (thelabstore.co.uk)
According to the United States Pharmacopeia ( USP ), there are 858 C18 liquid chromatography phases registered under code L1 (octadecylsilane chemically bonded to porous silica or ceramic microplates, 1.5 to 10 μm in diameter, or a monolithic rod) (3). (chromatographyonline.com)

Silica gel is an amorphous and porous form of silicon dioxide (silica), composed of alternating silicon and oxygen atoms with nanometer-scale voids and pores. (evolvedextraction.com)
Silica is an amorphous polymer of silicon and oxygen. (chromatographyonline.com)
Purity - CAB-O-SIL Fumed Silica versus Precipitated Silica CAB-O-SIL fumed silica is produced through a pyrogenic process that results in one of the purest commercially available forms of synthetic amorphous silica (99.8% pure). (silicafumesupplier.com)

Chromatography (e.g., gel permeation, silica gel, Florisil, activated carbon, high-performance liquid) is often used to remove matrix interferences, and sometimes to fractionate PCBs into several groups. (cdc.gov)
When an aqueous solution is used to take the sample through the column, the procedure is often called Gel Filtration Chromatography, and the title Gel Permeation Chromatography is frequently used when solvents are utilized to carry the material in question during the packed columns. (cf-alba.com)

The SOLAD Protein-A is a novel affinity HPLC column, based on the next-gen SOLAD platform technology, for quick separation and robust quantification of various antibodies. (glantreo.com)
Hydrophilic interaction chromatography (HILIC) is an increasingly popular separation mode that can be used to improve the retention of challenging polar analytes. (shimadzu.com)
Silica gel acts as a catalyst support in the petrochemical industry for the production of polyolefin, chemical separation, filtration, and plastics production. (finline.in)
There are many kinds of stationary phases modified with a silica gel matrix, and the separation and purification effect is much better than other matrixes. (flashcolumns.com)
After modification, it has a wide range of applications in the separation and purification of biomolecules such as proteins and carbohydrates in ion exchange chromatography, size exclusion chromatography, and reversed-phase hydrophobic chromatography. (flashcolumns.com)
However, compared with inorganic substrates such as silica gel, the separation mechanical strength that the organic matrix stationary phase can withstand is lower, and the separation and purification effect is poor, which limits its scope of application in purification. (flashcolumns.com)
The chromatographic mode in which the polarity of the modified groups on the matrix is greater than the polarity of the mobile phase is called normal phase chromatography, which relies on the different polarity of the sample to distribute between the stationary phase and the mobile phase to achieve separation. (flashcolumns.com)
In this separation mode, the sample is eluted from the purification column in order from weak to strong polarity. (flashcolumns.com)
The modern definition of chromatography is, it is a physicochemical technique of separation in which the compounds that required to be separated are distributed between two phases, one is called stationary phase (which remains stationary), and the other is a mobile phase (which moves through the stationary phase). (tech-publish.com)
The Column Chromatography or Liquid Chromatographic systems were a time-consuming method of separation due to the lower solvent flow rate because it was mainly dependent on gravitational force. (tech-publish.com)
All chromatographic methods -with the exception of TLC- use columns for the separation process. (ijpsr.com)
In flash chromatography however air pressure is used to speed up the flow of solvent, dramatically decreasing the time needed to purify the sample, therefore making the column and running the separation could take less than 10-15 minutes. (ijpsr.com)
Flash chromatography is basically an air pressure driven hybrid of medium pressure and shorter column chromatography which has been optimized for particularly rapid separation. (ijpsr.com)
Separation mechanism includes ion exclusion, ion exchange, size exclusion, ligand exchange as well as NP and RP chromatography. (mn-net.com)
COSMOSIL Diol-120-II, Diol-300-II and Diol-1000-II gel filtration columns are ideal for the size-based separation of proteins and other water soluble polymers. (nacalaiusa.com)
COSMOSIL Diol-II series shows excellent separation compared to competitors' columns. (nacalaiusa.com)
For separation of polar compounds hydrophilic interaction chromatography (HILIC) and normal-phase chromatography are suitable as well, with HILIC being the preferred method. (sigmaaldrich.com)
For the separation of ionic compounds, ion-exchange separation modes and for inorganic anions or cations, ion chromatography can also be used. (sigmaaldrich.com)
Chromatography, a widely utilized separation technique, offers promising solutions to overcome these challenges. (cannabissciencetech.com)
Chromatography is a versatile and widely used separation technique employed to separate and analyze mixtures of chemicals or substances into their individual components. (cannabissciencetech.com)
By exploiting these differences, chromatography allows for the separation of compounds based on their various properties, such as size, charge, polarity, and interaction with specific chemical groups. (cannabissciencetech.com)
Column chromatography can be used as a large-scale method for purification and separation of the plant extract chemical profile. (cannabissciencetech.com)
Column chromatography is a separation technique used to separate and purify components from a mixture based on their different interactions with a stationary phase and a mobile phase. (cannabissciencetech.com)
In this study, separation factor of beta-tocopherol and gamma-tocopherol which were structurally related isomers was evaluated to vary both a pore diameter of the superficially porous silica and a ligand density of the C30 group. (innovationsunited.com)

We have reported optimization for a pore diameter of the superficially porous silica and a ligand density of C30 phase [1]. (innovationsunited.com)

There are many different of kinds of chromatographic columns. (ijpsr.com)
Nevertheless, particle technologies based on silica have received the most attention due to their undisputed chromatographic benefits. (chromatographyonline.com)

Silica gel exhibits superior adsorption and high surface area properties which paves its way for use in water filtration. (finline.in)
The FIA method determines saturated hydrocarbons, olefins and aromatic hydrocarbons of a sample chromatographically by adsorption and desorption in a column filled with FIA silica, in the presence of a fluorescent dye mixture. (thomassci.com)
This process is called adsorption, and is used to extract pollutants with the help of activated carbon or silica gel. (alliedmarketresearch.com)
The porous architecture allows adsorption of guest molecules with high efficiency, which is advantageous for rapid detection of the guest molecules. (nature.com)
The inert column body suppresses interaction with and adsorption of the metal ions of the target compound, obtaining excellent peak shapes for a wide range of biological components such as peptides, steroid hormones and drugs with low molecular weight. (shimadzu.shop)

Description: Shim-pack Diol series is a kind of gel filtration chromatography (GFC) column. (shopshimadzu.com)
From filtration and distillation to chromatography and magnetism, there are plenty of ways to isolate specific components within a mixture. (physics-network.org)

Shim-pack Diol series is packed with porous spherical silica gel chemically bonded with a hydroxyl group. (shopshimadzu.com)
Because ULTRON VX-ODS columns use spherical silica gel, they display excellent pressure resistance, and stable separations can be achieved even at fast mobile phase flow rates. (thelabstore.co.uk)

In previous days, Column chromatography was used in many laboratories for preparative purposes as well as for reaction control in organic synthesis. (ijpsr.com)
This leads to the development of novel preparative liquid chromatography in which mobile phase flows down by positive air pressure called as Flash chromatography. (ijpsr.com)
It is a simple, fast and economical approach to preparative Liquid chromatography .This review try to focus on principle, various components, general procedure, advantages and application of Flash chromatography. (ijpsr.com)
Column chromatography has found its place in many laboratories for preparative purposes as well as for reaction control in organic syntheses. (ijpsr.com)
We also have a variety of columns with inner diameters ranging from 1 mm (narrow bore) to 50 mm (for preparative separations). (thelabstore.co.uk)
Preparative column chromatography is used for large-scale purification of compounds. (cannabissciencetech.com)

This natural product can be obtained using column chromatographies of high-porous polystyrene gels and reversed silica gels from a methanolic extract of many varieties of tomatoes. (wikipedia.org)
The organic matrix is mostly polymer gel material (such as resin, polystyrene divinyl copolymer, etc.), which has better chemical stability than silica gel (applicable pH value can range from 1 to 12). (flashcolumns.com)
Molecules are split in columns packed with porous materials, which could consist of glass beads, polystyrene gels, silica gel, etc. (cf-alba.com)

Silica-based HPLC phase for anion exchange chromatography of nucleic acids. (mn-net.com)
DIAION™ HPA25L is a highly porous type strongly basic anion exchange resin. (biokal.com)
The TSKgel DNA-NPR weak anion exchange column is designed to analyze nucleic acids. (selectscience.net)

For this September issue of The Application Notebook should be reaching our audience of analytical chemists, lab managers, and other industry professionals just as the busiest time of the year ramps up in the world of chromatography. (chromatographyonline.com)

If the solvent is forced down the column by positive air pressure, it is called flash chromatography, a "state of the art" method currently used in organic chemistry research laboratories 1 . (ijpsr.com)
Flash chromatography is a technique used to separate mixtures of molecules into their individual constituents, frequently used in the drug discovery process 1 . (ijpsr.com)
Several manufacturers have developed automated flash chromatography systems. (ijpsr.com)
Automated flash chromatography systems include components normally found on more expensive HPLC systems such as a gradient pump, sample injection ports, a UV detector and a fraction collector to collect the eluent. (ijpsr.com)
Leading market players have improved the efficiency of chromatography adsorbents such as aluminum oxide chromatography adsorbents, flash chromatography adsorbents, and silica gel column chromatography adsorbents. (alliedmarketresearch.com)

Even for LC columns that claim to be designed for basic compounds, adequate resolution often can not be obtained due to problems such as leading of highly polar basic compounds, peak shape deterioration of acidic compounds, or long equilibration time required for low ionic strength acidic mobile phase. (shimadzu.com)
Shim-pack Velox PFPP (Pentafluorophenylpropyl) provides an alternative selectivity to C18 columns and is suitable for the analysis of halogenated compounds, positional isomers and charged bases. (shimadzu.com)
The alumina matrix has high mechanical strength, good chemical stability, unique selectivity to some compounds, and good complementarity to the silica matrix. (flashcolumns.com)
A simplified LC-MS/MS method to determine glyphosate and related compounds using a Supel™ Carbon LC U/HPLC column for stability under higher pH conditions and sufficient retention for the polar analytes in the presence of methanol as an extraction solvent. (sigmaaldrich.com)
The choice of individual compounds in these test mixes varies widely and can have profound consequences on the performance of a column in the users' applications. (chromatographyonline.com)
Silica, or more correctly silicon dioxide SiO 2, is one of the most abundant compounds on the surface of the Earth, being most obvious as quartz and common sand. (silicafumesupplier.com)
In this study, 3 kinds of 2.0 μmand 1.7 μmsuperficially porous C18s and one totally porous hybrid C18, one totally porous monodisperse C18 were evaluated regarding efficiency, hydrogen bonding capacity, hydrophobicity, steric selectivity as well as peak shape of acidic, basic and metal chelating compounds. (innovationsunited.com)

Shim-pack GIS series columns are packed with high purity silica gel and are your ideal generic HPLC columns. (shimadzu.com)
Shim-pack GIST series columns are packed with newly developed high-purity porous spherical silica. (shimadzu.com)
For higher demands on the performance of column packings we recommend our high-purity irregular POLYGOPREP silicas. (thomassci.com)
Silica has a multitude of uses depending on the degree of purity. (silicafumesupplier.com)

Adsorbents are highly porous substances in which air passes through a bed of solid adsorbents. (alliedmarketresearch.com)

Then, a MPPBR system for "continuous photocatalytic dye degradation" was first constructed by slurry packing of bare or AuNP/AgNP decorated titania microbeads into a fused silica capillary 320 mu m in diameter. (hacettepe.edu.tr)

This efficiency loss was larger for a totally porous C18 than a superficially porous C18. (innovationsunited.com)

Silica xerogel with an average pore size of 2.4 nanometers has a strong affinity for water molecules and is widely used as a desiccant. (finline.in)
ULTRON VX-ODS columns, which have monolayers of octadecyl groups, display excellent stereoselectivity with respect to sample molecules. (thelabstore.co.uk)
Furthermore, the options for their identification include nuclear magnetic resonance spectroscopy (NMR) or mass spectrometry (MS) . Liquid chromatography coupled with mass spectrometry (LC-MS) became a key technique for the identification of small molecules during recent years. (sigmaaldrich.com)
Getting the best possible results in the high-performance liquid chromatography (HPLC), UHPLC or LC-MS analysis of small molecules depends on the selection of the best suitable stationary phase and mobile phase conditions. (sigmaaldrich.com)
Bigger molecules elute more quickly through the columns, because the molecules cannot fit into as many distances. (cf-alba.com)
Vapochromic behaviour of porous crystals is beneficial for facile and rapid detection of gaseous molecules without electricity. (nature.com)
Chemical bonds that underpin their porous frameworks, that is, coordination bonds, dynamic covalent bonds, and hydrogen bonds, are commonly affected by the water molecules. (nature.com)

SOLAD™ is a proprietary process for manufacture of non porous silica particle for use in HPLC and UHPLC. (glantreo.com)
Chromolith® HPLC and UHPLC columns are made from monolithic silica with a bimodal pore structure using sol-gel technology. (sigmaaldrich.com)
A column packed with 2.6 μmor 2.7 μmsuperficially porous particle has been widely used on HPLC and UHPLC, because it showed not only excellent column efficiency but also lower back pressure than sub-2 um column. (innovationsunited.com)

Silicon dioxide, also known as silica, silicic acid or silicic acid anydride is an oxide of silicon with the chemical formula Si O 2, most commonly found in nature as quartz and in various living organisms. (silicafumesupplier.com)

At the same time, the surface of silica gel is easily modified to form other bonded stationary phases. (flashcolumns.com)
The traditional bonding techniques used to manufacture silica-particle-based HPLC stationary phases provide many benefits, but can emerging technologies tackle unmet needs? (chromatographyonline.com)

The chemistry of the analyte is key for selecting the best suitable column chemistry. (sigmaaldrich.com)
Here, we explore the hydrochromic chemistry of a van der Waals (VDW) porous crystal. (nature.com)

Shim-pack WAX/WCX series columns are chemically-bonded hydrophilic silica gel based ion exchange columns. (shimadzu.com)
ULTRON VX-ODS columns employ ULTRON VX-SIL as a substrate to which monomeric octadecyl groups are chemically bonded. (thelabstore.co.uk)
In 1973, Locke correctly predicted that organosilanes would transform HPLC columns via chemically-bonded phases, mentioning that polymerization of silanes would be the synthetic route taken in general with chemical reactions being carried out to produce a primary organosilane layer (5). (chromatographyonline.com)

The foundation of any good chromatography column is the stationary phase. (glantreo.com)
Combining this superior stationary phase with Glantreo's capability from a binding and packing perspective produces a world-class column. (glantreo.com)
It can be used for normal phase column chromatography and extract decolorization. (evolvedextraction.com)
Shim-pack MAqC-ODS I reversed-phase columns are packed with a silica gel containing metal and added octadecylsilyl group. (shimadzu.com)
Today HAWACH will talk about the connotation of the purification column-stationary phase. (flashcolumns.com)
The stationary phase is also commonly known as the packing, which is the core part of chromatography. (flashcolumns.com)
To determine the stationary phase packed in the Flash purification column, three aspects of the stationary phase must be determined in sequence: matrix type, surface modification/bonding phase, and matrix parameters. (flashcolumns.com)
The normal phase silica gel stationary phase is mainly used in the preliminary purification of synthetic non-polar or medium-polar intermediates. (flashcolumns.com)
Between 1941 and 1960, scientists predicted that the liquid chromatography could be operated with high efficiency by reducing the column packing particle size to around 150 μm and flowing the mobile phase at increased velocity. (tech-publish.com)
Almost 50 years later, the C18 phase is still the reigning champion in the reversed-phase liquid chromatography (RPLC) arena, and many chromatography companies are still bonding using the same or a very similar synthetic approach. (chromatographyonline.com)
This page discusses column packing and preparation techniques for reverse phase chromatography. (sigmaaldrich.com)
Drug substances and counterions are determined by HPLC (often on reversed-phase columns) and by ion chromatography (IC), respectively. (chromatographyonline.com)
These probes ensure that the columns have been properly deactivated, contain the correct amount of stationary phase, and have the same relative retention as the last column purchased. (chromatographyonline.com)
This is used to identify and quantify the separated components as they elute (come out) of the column or stationary phase. (cannabissciencetech.com)
In TLC, the stationary phase is a thin layer of a solid adsorbent (like silica gel) on a flat surface, and the mobile phase is a liquid. (cannabissciencetech.com)
In this technique, the stationary phase is packed into a column, and the mobile phase is allowed to flow through it. (cannabissciencetech.com)
The technique involves packing a column with a stationary phase material and passing a mobile phase (solvent) through it, which carries the mixture to be separated. (cannabissciencetech.com)
The efficiency of new coating was investigated for headspace solid-phase microextraction (SPME) of some environmentally important chlorophenols from aqueous samples followed by gas chromatography-mass spectrometry (GC-MS) analysis. (sharif.edu)
A form of gas chromatography in which the moving phase is a gas and the stationary phase is a surface-active sorbent (charcoal, silica gel, or activated alumina). (termwiki.com)

The scientist used a glass column filled with calcium carbonate and aluminum oxide and passed the solvent extract of plant leaves through the column. (tech-publish.com)
Subsequently, the pure solvent was passed through the column. (tech-publish.com)
Column chromatography is separated into two categories, depending on how the solvent flows down the column. (ijpsr.com)
If the solvent is allowed to flow down the column by gravity, or percolation, it is called gravity column chromatography. (ijpsr.com)
The rest of the column is then filled with a solvent (or mixture of solvents) which then runs through the solid support under the force of gravity. (ijpsr.com)
Unfortunately, the rate at which the solvent percolates through the column is slow. (ijpsr.com)

The flash purification column is the heart of the Flash purification system, just like the engine in a car. (flashcolumns.com)
Choosing the correct Flash purification column is the most critical part of the entire purification. (flashcolumns.com)
Silica gel is the most widely used matrix in Flash purification. (flashcolumns.com)

Silica xerogel is usually commercialized as coarse granules or beads, a few millimeters in diameter. (finline.in)

Inorganic materials include silica gel, alumina, etc. (flashcolumns.com)

TSKgel Butyl-NPR hydrophobic interaction columns for analysis of antibody-drug conjugates (ADCs) and as an orthogonal method to analyze protein aggregation, oxidation and deamidations. (selectscience.net)

Excellent stability and performance could be achieved under a wide range of LC conditions with Shim-pack Scepter LC columns, which are the next generation organic silica hybrid based columns. (shimadzu.com)
With the silica-based gel, organic solvents, including methanol and acetonitrile, can be use. (nacalaiusa.com)
Some of these areas of interest include monoliths, open tubular columns (OTCs), microchip based columns, metal-organic frameworks (MOFs), and overall column and instrument miniaturization. (chromatographyonline.com)

HRGC) columns capable of separating a substantial proportion of the congeners are indispensable, and GC detectors possessing high selectivity and sensitivity for the PCBs are required. (cdc.gov)
Due to a different selectivity pattern compared to NUCLEOGEL SUGAR columns, the range of application is considerably enlarged. (mn-net.com)

Monodisperse porous titania microbeads were synthesized by a sol-gel templating protocol. (hacettepe.edu.tr)
Both size and porous properties of bare or AuNP/AgNP decorated monodisperse-porous titania microbeads were suitable for using them as a photocatalyst in a "Microfluidic, Photocatalytic Packed Bed Reactor (MPPBR)" with reasonable pressure drops in the microflow rate range. (hacettepe.edu.tr)

Shim-pack VP series ensures high column-to-column performance reproducibility, which is ideal for method development and validation. (shimadzu.com)
Shim-pack GWS series is an economical generic C18 column designed with high cost performance. (shimadzu.com)
Silica gel for chromatography has a porous structure, high mechanical strength, thermal stability, excellent pore structure, and specific surface area, and its surface contains a large number of active hydroxyl groups. (flashcolumns.com)
High Performance Liquid Chromatography (HPLC) is also known as high-performance liquid chromatography or high pressure liquid chromatography. (tech-publish.com)
The net result is a rapid ("over in a flash") and high resolution chromatography. (ijpsr.com)
Silica supports offer high mechanical strength, allowing the formation of packed beds that are stable for long periods under high operating pressures. (chromatographyonline.com)
High performance liquid chromatography (HPLC) is a common form of liquid chromatography used for a wide range of applications including quantification of cannabinoids. (cannabissciencetech.com)
We are counted among the most prestigious manufacturers, suppliers and traders of best quality Aerosil - 200 Fumed silica.Aerosil is pure silicon dioxide, made from vaporized silicon tetrachloride oxidized in high-temperature flame with hydrogen and oxygen. (silicafumesupplier.com)
Fumed silica may be synthesized by high temperature hydrolysis of SiCl 4 in O 2 (N 2)/H 2 flame. (silicafumesupplier.com)

A novel amino-functionalized polymer was synthesized using 3-(trimethoxysilyl) propyl amine (TMSPA) as precursor and hydroxy-terminated polydimethylsiloxane (OH-PDMS) by sol-gel technology and coated on fused-silica fiber. (sharif.edu)

Chromatography on non-ionic gels without regard to the mechanism of solute discrimination. (lookformedical.com)
Easy column attach/detach mechanism prevents peak broadening. (comfortech.com.hk)

Silicon Dioxide is a natural compound of silicon and oxygen found mostly in sand, Silica has three main crystalline varieties: quartz, tridymite, and cristobalite. (silicafumesupplier.com)

In 1973, Waters Corporation launched the first commercial 10 mm particle C18 column using a bonded monofunctional silane (mBondapak C18). (chromatographyonline.com)

The course begins with a thorough review of basic chromatography parameters and their relationship as the basis for a rational approach to extract as much useful information as possible from a minimum investment in experimental time and effort. (lctsbible.com)

Shim-pack XR Series columns use a 2.2 μm packing particle size and offer a skillful balance between resolution efficiency and pressure. (shimadzu.com)
Controllable surface area, diversity in particle morphology, and higher efficiency values when compared to other support materials are just some of the advantages of silica-based columns. (chromatographyonline.com)

precipitated silica,silicon dioxide,fumed silica，sio2 made in China Precipitated Silica/ Hydrated Silica/ SiO2 Precipitated silica is widely used in rubber, silicone rubber, cosmetics, paint, adhesive area. (silicafumesupplier.com)

The vast amount of commercially available C18 columns are constructed on a wide range of solid supports, and may exhibit ancillary options such as endcapping and aqueous compatibility (AQ). (chromatographyonline.com)
To compare the effectiveness of the biosurfactant for PAH removal with commercially available surfactants, dynamic experiments in columns were carried out. (lambda-instruments.com)

Anatomy2

Organisms8

Diseases1

Chemicals and Drugs48

Analytical, Diagnostic and Therapeutic Techniques and Equipment48

Phenomena and Processes28

Disciplines and Occupations3

Technology, Industry, Agriculture2

Information Science4

Health Care3

Fully porous silica2

Particles6

Thin-layer chromato3

Bonded to porous silica or ceramic2

Amorphous3

Permeation2

Separation24

Superficially porous silica1

Chromatographic2

Adsorption5

Filtration2

Spherical silica gel2

Preparative6

Polystyrene3

Anion exchange3

Analytical1

Flash chromatography5

Compounds7

Purity4

Highly porous1

Capillary1

Totally porous1

Molecules7

HPLC and UHPLC3

Silicic acid1

Stationary phases2

Chemistry2

Chemically3

Phase19

Solvent6

Purification3

Diameter1

Alumina1

Hydrophobic Interaction1

Organic3

Selectivity2

Monodisperse2

High9

Amino1

Mechanism2

Silicon and oxygen1

Silane1

Extract1

Efficiency2

Widely1

Commercially available2