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Membrane permeability testing, systems and accessories
- Fluid handling and transfer components
- Laboratory basic equipment
- Mass spectrometry
-
Materials science
- Adhesion force
- BET surface area and pore analysis
- Bulk solids characterization
- Chemisorption
- Closed cell content in foam
- Contact angle, dynamic
- Contact angle, optical
- Critical micelle concentration
- Density, liquids and solids
- Density, solids
- Dispersion stability
- Electrical conductivity, organic solvents
- Gas mixture adsorption
- Humidity control
- Interfacial rheology
- Interfacial tension, low to ultra-low
- Molecular structure and chemistry of layered materials
- Particle dispersibility
- Particle shape
- Particle size, concentrated dispersions
- Particle size, nanometer range
- Particle size, powders
- pH, demanding applications
- Pore size and liquid & gas permeability
- Rapid multi-elemental analysis and chemical imaging
- Sedimentation and penetration analysis
- Solids concentration of suspensions
- Surface and interfacial tension of liquids
- Surface energy of solids
- Surface pressure
- Surface topography and roughness
- Tap density
- Thermal analysis
- Water uptake and release
- Wettability of solid surfaces
- Wetted surface area of suspensions
- Zeta potential, concentrated dispersions
- Zeta potential, macroscopic solid samples
- Zeta potential, nanoparticles
- Organic and peptide synthesis
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Pharmaceutical testing
- Content uniformity sample preparation
- Dissolution testing accessories and consumables
- Dissolution testing autosamplers
- Dissolution testing instruments
- Dissolution testing medium automatic preparation
- Dissolution testing software
- Membrane permeability testing, Franz cells
- Membrane permeability testing, In-Line cells
- Membrane permeability testing, Side-Bi-Side cells
- Membrane permeability testing, systems and accessories
- Membrane permeability testing, Valia-Chien cells
- Tablet physical testing
- UV Fiber Optic Dissolution testing
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Sample collection, handling and preparation
- Antibody purification columns and plates
- Dual Mode Extraction (DME)
- Evaporation and concentration
- Filtration plates
- Gas sample collection
- Homogenizers, bead mill
- Peptide desalting and enrichment
- Phosphopeptide purification and enrichment
- Protein and phospholipid removal
- Protein precipitation
- Protein purification
- QuEChERS
- Sample preparation of solid and semi-solid samples
- SPE accessories
- SPE disks and pre-filters, Atlantic
- SPE disks and pre-filters, Pacific
- SPE Evolute columns and plates
- SPE extractors, oil and grease
- SPE extractors, semi-volatiles
- SPE Isolute columns and plates
- SPE, SLE, PLD and PPT automation
- SPE spin centrifuge columns and plates
- Supported Liquid Extraction
- Syringes and probes
- VOC instruments
- Water sample automated preparation
- Supercritical Fluid Extraction (SFE)
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Separation science
- Field-Flow Fractionation (FFF)
- Flash chromatography columns
- Flash chromatography systems and accessories
- GC capillary columns
- GC detectors
- GC injection technologies
- GC packed columns and absorbents
- LC columns
- LC instruments
- LC pump spares
- LC purification systems
- Post column derivatization
- SFC instruments
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Spectroscopy and imaging
- Cameras, high-speed for fluorescence imaging
- Cameras, intensified high-speed
- Cameras, intensified with ultra-short gating
- Circular Dichroism and Vibrational CD
- Fluorescence
- Fluorescence Lifetime Imaging Microscopy (FLIM)
- FTIR and FTIR Microscopy
- Multi camera high-speed recording solutions
- Polarimeters
- Raman and Raman Microscopy
- Spectroscopy accessories
- UV-Vis-NIR and UV-Vis-NIR Microscopy
- Standards and reference materials
- 11860
- 11870
- 11866
- 11904
- 11863
- 11861
- 11862
- 10973
Membrane permeability testing, systems and accessories
Founded in 1973, PermeGear is recognized as a leader in the diffusion cell industry and continues to make hundreds of varieties of Franz cells, Side-Bi-Side cells, and In-Line cells. Custom diffusion cells are a specialty.
PermeGear automated systems incorporate In-Line cells, a peristaltic pump, a fraction collector, and a heater/circulator into a versatile system for analyzing flux over time.
All PermeGear automated diffusion cell systems are based on the continuous flow principle. A multi-channel peristaltic pump draws receptor solution from a reservoir through a distrib...
Founded in 1973, PermeGear is recognized as a leader in the diffusion cell industry and continues to make hundreds of varieties of Franz cells, Side-Bi-Side cells, and In-Line cells. Custom diffusion cells are a specialty.
PermeGear automated systems incorporate In-Line cells, a peristaltic pump, a fraction collector, and a heater/circulator into a versatile system for analyzing flux over time.
All PermeGear automated diffusion cell systems are based on the continuous flow principle. A multi-channel peristaltic pump draws receptor solution from a reservoir through a distribution manifold and sends it to the In-Line cells. The cells are warmed to 32ºC by a heater/circulator that pumps water through the cell warmer in which the In-Line Cells are located. After filling the receptor chambers of the cells and purging the system of bubbles, the subject compound is then placed in the donor chambers of the cells. From that time, the fluid is collected in the vials of the fraction collector at user set time intervals. The vials are taken for analysis manually after the sampling time has elapsed.
PermeGear V-Series manual diffusion systems are employing Franz Cells for carrying out in vitro release testing (IVRT) and in vitro permeation testing (IVPT). The systems enable a researcher to measure the release or permeation of a compound into or through membranes.
\r\nPermeGear H-Series manual diffusion systems are made for use with Side-Bi-Side cells. All but the H1 stirrers have aluminum supply manifolds mounted toward the rear, which connect to a heater/circulator. The long horizontal manifold tubes have hose barb fittings that allow the water jackets of the diffusion cells to be connected to them with latex tubing. PermeGears Side-Bi-Side Cells are currently in laboratories around the world and used for everything from measuring the migration of molecules into and/or through biological membranes to an instrument of measurement in the development of fuel cells. To best mimic in vivo conditions, permeation experiments are typically done at near normal body temperature. Therefore, the fluid inside each chamber of a Side-Bi-Side Cell is heated and stirred.\r\n\r\n
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Founded in 1973, PermeGear is recognized as a leader in the diffusion cell industry and continues to make hundreds of varieties of Franz cells, Side-Bi-Side cells, and In-Line cells. Custom diffusion cells are a specialty.
PermeGear automated systems incorporate In-Line cells, a peristaltic pump, a fraction collector, and a heater/circulator into a versatile system for analyzing flux over time.
All PermeGear automated diffusion cell systems are based on the continuous flow principle. A multi-channel peristaltic pump draws receptor solution from a reservoir through a distrib...
Founded in 1973, PermeGear is recognized as a leader in the diffusion cell industry and continues to make hundreds of varieties of Franz cells, Side-Bi-Side cells, and In-Line cells. Custom diffusion cells are a specialty.
PermeGear automated systems incorporate In-Line cells, a peristaltic pump, a fraction collector, and a heater/circulator into a versatile system for analyzing flux over time.
All PermeGear automated diffusion cell systems are based on the continuous flow principle. A multi-channel peristaltic pump draws receptor solution from a reservoir through a distribution manifold and sends it to the In-Line cells. The cells are warmed to 32ºC by a heater/circulator that pumps water through the cell warmer in which the In-Line Cells are located. After filling the receptor chambers of the cells and purging the system of bubbles, the subject compound is then placed in the donor chambers of the cells. From that time, the fluid is collected in the vials of the fraction collector at user set time intervals. The vials are taken for analysis manually after the sampling time has elapsed.
PermeGear V-Series manual diffusion systems are employing Franz Cells for carrying out in vitro release testing (IVRT) and in vitro permeation testing (IVPT). The systems enable a researcher to measure the release or permeation of a compound into or through membranes.
\r\nPermeGear H-Series manual diffusion systems are made for use with Side-Bi-Side cells. All but the H1 stirrers have aluminum supply manifolds mounted toward the rear, which connect to a heater/circulator. The long horizontal manifold tubes have hose barb fittings that allow the water jackets of the diffusion cells to be connected to them with latex tubing. PermeGears Side-Bi-Side Cells are currently in laboratories around the world and used for everything from measuring the migration of molecules into and/or through biological membranes to an instrument of measurement in the development of fuel cells. To best mimic in vivo conditions, permeation experiments are typically done at near normal body temperature. Therefore, the fluid inside each chamber of a Side-Bi-Side Cell is heated and stirred.\r\n\r\n