David Schurer, VP of Sorbent Technologies, discusses THE HPLC PREP SOLUTION: PRE-PACK VS. PACK YOUR OWN.

SHARE

The i5 modular series microscope features exceptional optical quality and expandability for top-notch performance in the lab. For users needing a multipurpose microscope, the i5 Modular Series is perfect, as the objective of the microscope can be detached. The Lumin™ epifluorescence module can convert our standard i4 or i5 microscope to a fully functional epifluorescence microscope. The resulting images rival those obtained from traditional, expensive epifluorescence systems. The Lumin™ i4 and i5 are suitable for viewing a range of pathogens including those indicative of respiratory diseases, autoimmune diseases such as lupus and arthritis, celiac disease, tuberculosis, malaria, and for use in the fields of rheumatology, pathology, gynecology, and nephrology.

The Lumin™ Illuminator light source also fits into our line. It enables dark field, polarization, epi-fluorescence, and other illumination alternatives. The light source immediately and accurately identifies Tuberculosis, among other pathogens with increased sensitivity and specificity. This break through technology can prevent hundreds of thousands of TB cases per year, and slow this dangerous epidemic. Please contact you product specialist at Sorbtech for more information.

Visit sorbtech.com for more information, and all your chromatography needs!

SHARE

Sorbent Technologies Vice President, David Schurer, discusses Econoline FPLC Glass Columns in this weekly webinar recorded 7/26/2011

SHARE

Features

· Powerful centrifugal force 15100 g, broad application range

· User-friendly large LCD display provides all visual information

· Brushless motor drives quickly and effortlessly accelerates the rotor to set speed

· Unique cooling design, minimizes rotor heating

· Fully autoclavable high strength aluminum alloy rotor

· Compact design

· High speed, low noise

Max. Speed:15000rpm (500-15000rpm) increment: 100rpm

Max. RCF: 15100×g, increment: 100×g

Rotor: 2ml x 12

Run Time: 30sec ~ 99min ~ Pulse & Continuous Operation

Driving Motor: Brushless DC motor

Safety Devices: Door interlock, Over-speed detector; Over-temperature detector; Automatic internal diagnosis

Power: Single-phase, AC110V, 60Hz, 3A

Noise level: (dB) 56

Dimensions: (mm) L255xD245×H140

Weight: 6kg / 13.2lbs

Additional Features: Speed/Acceleration switch; Quick spin run function; sound-alert function.

Visit SciLogex Personal Micro Centrifuge for more details!

SHARE

Solid Phase Extraction (SPE)

Solid Phase Extraction is a fast and efficient sample preparation technique for cleanup or concentration for analysis, HPLC, GC, TLC, UV, IR and an excellent tool for method development.

Main steps of the SPE procedure

1. Conditioning of the adsorbent
Conditioning of the adsorbent is necessary in order to ensure reproducible interaction with the analyte. Conditioning, also called solvation, results in a wetting of the adsorbent and thus produces an environment which is suitable for adsorption of the analyte. Nonpolar adsorbents are usually conditioned with 2 – 3 column volumes of a solvent, which is miscible with water (methanol, THF, -propanol etc.), followed by the solvent in which the analyte is dissolved (pure matrix, e. g. water, buffer). Polar adsorbents are conditioned with nonpolar solvents. After the conditioning step, the adsorbent bed must not run dry to maintain solvation (deconditioning).

2. Sample application (adsorption)
Sample application can be performed with positive or negative pressure with a flow rate of ~3 ml/min. Sample volumes vary from a few milliters up to liters.

3. Washing of the adsorbent
Washing of the adsorbent is usually achieved with a special wash solution; however, in some cases it may not be necessary. If the polarity difference between the wash solution and the eluent is very large, or if both are not miscible, drying of the adsorbent bed after washing is recommended to improve elution and recovery.

4. Elution
Elution with a suitable eluent should not be too fast. The elution speed depends on the column or cartridge dimensions and the quantity of adsorbent (about 1 ml/min).

SHARE

Sorbent Technologies VP, David Schurer, discusses ion exchange resins. Recorded 5/31/2011.

WATCH THE VIDEO: http://www.sorbtech.com/video.ion-exchange-resins.aspx

SHARE

Increase the evaporation capacity of your lab by getting the time-consuming 20 mL vial jobs off the rotorvaps. The Centrifan PE Personal Evaporator dries six 20 mL vials at once, eliminating the lines of students waiting for their turn at the rotorvap.

The inexpensive Centrifan PE can withstand years of academic labwork with minimal supervision and maintenance. It is a simple, green chemistry tool for drying lab-scale samples and condensing the evaporated solvent.

• Simple, robust and safe
• Easy-to-use and low cost of operation
• Significantly less expensive than typical vacuum concentrators
• No vacuum pump or continuous supply of gas required
• Uses 20mL scintillation and other common vials
• Works with all common solvents including high boilers (water, DMF, DMSO); acid-proof available
• Replaces polluting nitrogen blow-down set-ups

The Centrifan PE is an 8-inch cube with an optional dry ice cold trap. It makes no noise and takes up very little bench space. It can be used in a cold room to dry heat sensitive compounds and it can be purged with nitrogen or argon for oxygen-free drying.

Centrifan PE
Personal Evaporator

Vacuum-Free Closed System
See How It Works

The Centrifan PE uses self-generated blow-down technology to dry samples in standard vials. Fan blades integrated with the rotor generate the gas flow. A portion of the gas flow is continuously diverted through the cold trap to condense and recover the evaporated solvent.

For more information: http://www.sorbtech.com/catalog.aspx?family_id=1696

SHARE

OPERATING AND FEATURES

Accommodates various tube systems from 0.2ml to 100ml, hematocrit capillaries as well as microtitre plates, culture plates
Microprocessor-controlled
10 complete running programs can be stored and recalled
Run-up/run-down times: Input of acceleration & braking ramps in levels 1-9
Easy to read; digital display
Speed RPM: Input in increments of 10
Speed RCF: Input in increments of 10
Running Time: Input in minutes and seconds, max 99 minutes 59 seconds
Impulse key – short cycle mode
Radius (r): Input in mm when RPM or RCF need to be determined
During centrifugation the actual values of the parameters are displayed
Brushless frequency drive

SAFETY

Metal housing and metal lid
Stainless steel centrifuging chamber of stainless steel, easy to clean while providing additional safety
Automatic lid-locking
Lid-locking and lid holding during rotor run
Emergency lid lock release
Motor overheating protection
Imbalance switch-off
Automatic rotor recognition
Lid dropping protection

SPEED

Max. Speed with angle rotor 15,000 RPM, 21,382 RCF
Max. Speed with swing-out rotor 5,000 RPM, 4,193 RCF
Max. Speed with hematocrit rotor 15,000 RPM, 21,382 RCF
Max. Speed with hematocrit rotor 4,000 RPM, 2,093 RCF

Weight: 29 Kg

Fore more info:http://www.sorbtech.com/catalog.aspx?family_id=1603

SHARE

Are you tired of searching for chromatography applications and method development? Look no further than our Applications Database (mobile version)! We have over 3000 chromatography applications and method development sources listed. Don’t waste time searching elsewhere!

HPLC Applications and HPLC Method Development
GPC Applications and GPC Method Development
GC Applications and GC Method Development
SPE Applications and SPE Method Development
SPC Applications and SPC Method Development
TLC Applications and TLC Method Development

Applications Database: http://www.sorbtech.com/appdb.aspx

Applications Database: (mobile) http://www.sorbtech.com/m/appdb.php

VIDEO TUTORIAL: How to use the Application Database

SHARE

*NEW* 5/11/11 Check the new video from VP, David Schurer! Dave talks about Flash chromatography,spherical silica gel ,MPLC,flash cartridges and our EZ Flash pump!

SHARE