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University Science Instrumentation Centre
          Jawaharlal Nehru University 
New Delhi-110067 India

   National Workshop on Advanced Analytical Instrumentation and Applications 
during  January 5-7 2009  at  JNU

Invitation for Companies to Participate in  AAIA-2009



Download User Charges and Instructions for Booking
  • User Charges are effective from  October 1, 2008.
  • The facility shall be open to the users from outside JNU  from November 1, 2008 but subject to availability of machine time slots


Olympus Laser Confocal Microscope
 


At site photo of Confocal Microscope

Sample Images from the Microscope

Drosophila Adult Brain


Mouse Hippocamal neurons

Zinnia elegans Mesophyll Cells

 

FluoView™ FV1000 with FLIP, FLAP, FRAT, FLIM

The Olympus FluoView™ FV1000 is a next-generation imaging system designed for high-resolution, confocal observation of both fixed and living cells. The FV1000 offers advances in confocal system performance while providing the speed and sensitivity required for live cell imaging with minimal risk of damage to living specimens. 

In addition, the FV1000 offers a revolutionary synchronized laser scanning system called the SIM Scanner. While one laser stimulates, the second laser simultaneously provides high-resolution imaging. This coordination of laser stimulation and imaging makes the FV1000 an ideal choice for FRAP, FLIP and photoactivation. 

Scanning Modes: 
XY: Single confocal optical image. 360° Image rotation is available. 
XZ: Single cross section image that cannot be obtained with a conventional microscope. The cross section image may also be rotated 360° or drawn as a free line (free line-Z). 
XT: Single line image recorded over time for time-lapse analysis with high temporal resolution. The line may be rotated 360° or drawn as a free line (free line-T).
Point scanning: Series of intensity changes at a single point within the image with the highest temporal resolution. 
Xë: Spectral wavelength-scan recorded across a single line. The line may be rotated 360° or drawn as a free line (free line-ë). Spectral system required. 
XYZ: Series of confocal optical XY images recorded through the thickness of the sample. 
XYT: Single XY confocal optical image recorded over time, at an interval that can be arbitrarily chosen. Permits observation and analysis of live cell kinetics, such as changes in intracellular calcium, pH, etc. 
XYë: Spectral wavelength-scan for 2-dimensional XY confocal optical image. 360° Image rotation is available. Spectral system required. 
XëT: Spectral wavelength-scan across a single line recorded over time for time-lapse analysis. The line may be rotated 360° or drawn as a free line (free line-T). Spectral system required. 
XëZ: Spectral wavelength-scan recorded across a single XZ cross-section image. The cross section image may also be rotated 360° or drawn as a free line (free line-Z). Spectral system required. 
XYZT: XYZ series recorded over time, permitting observation and analysis of 3-dimensional changes over time in live cells. 
XëZT: Spectral wavelength-scan across a single XZ cross-section image recorded over time for time-lapse analysis. The line may be rotated 360° or drawn as a free line (free line-T). Spectral system required. 
XYëT: Spectral wavelength-scan for 2-dimensional XY confocal optical image recorded over time for time-lapse analysis. 360° Image rotation is available. Spectral system required. 
Automated Scanning Stage: Multi-location image acquisition is available for most imaging modes, including XYZ, XYT and XYZT. Requires the addition of an optional automated scanning stage. 
Laser Choices: 
Multi-line Argon (457nm, 488nm, 514nm) laser 
473nm Diode Laser 
Green Helium Neon (543nm) laser 
559nm Diode laser 
643nm Diode laser 
440nm Diode laser 
405nm Diode laser 


Bruker D-8 Advance XRD for Proteins and Macro-molecules

 

 Microstar XRD for proteins with MAR 345 detector Plate


D8 ADVANCE

Although the D8 Advance is the top-selling x-ray diffractometer for powder XRD applications, its capabilities reach far into other realms of x-ray diffraction. Facilitating more than 10,000 possible combinations of different x-ray sources, optics, sample stages, and detectors, the optimal configuration can always be reached. In addition, the modular design of the D8 ADVANCE enables an easy and straightforward change of configuration. The analytical capabilities can be expanded or simplified. A simple system can be purchased now and upgraded later, allowing for a perfectly cost-efficient x-ray diffraction system. 

The push-plug optics of the D8 ADVANCE enables a quick switch between the para-focusing Bragg-Brentano geometry to parallel beam geometry without realignment of the system. For the “cut above” standard powder diffraction, the D8 ADVANCE with Vario1 Johansson focusing monochromator features high-flux K-alpha-1 radiation for reflection as well as for foil or capillary transmission experiments. 

 The sample stage concept of the D8 ADVANCE allows for many different sample environments. These range from 10 K Helium closed-cycle cryostats up to non-ambient sample conditions with high temperature and humidity. For ambient conditions, the flip-stick sample stage and the auto changer provide the capability of measuring a batch of up to 90 samples in transmission as well as in reflection geometry. 

Detector technology is an important core competence of Bruker AXS. This means that the D8 ADVANCE can be equipped with the full range of point and linear detectors. According to the analytical requirements, the user can choose between different types of dynamic scintillation counter, energy dispersive Sol-X, or the Super Speed VANTEC-1. 

No matter how the individual diffraction solution is configured, any D8 ADVANCE has the ability to perform a full range of applications, from qualitative and quantitative phase identification, under ambient or non ambient conditions, to crystal structure solution from powder samples, crystallite size determination, micro strain analysis, residual stress analysis, and preferred orientation. 


Jeol 2100-F Transmission Electron Microscope

 

 


 

 

Jeol 2100-F Transmission Electron Microscope

The JEM-2100F is an advanced Field Emission Electron Microscope featuring ultrahigh resolution and rapid data acquisition. The JEM 2100F is a next generation TEM that simplifies atomic level structural analyses in biology, medicine, and materials sciences as well as the semiconductor and pharmaceutical industries. 

The JEM-2100F has been developed to achieve the highest image quality and the highest analytical performance in the 200kV class analytical TEM with a probe size under 0.5nm. The new side-entry goniometer stage provides ease of use tilt, rotation, heating and cooling, programmable multi-point settings--all without mechanical drift. 


Zeiss EVO-40  Scanning Electron Microscope

SEM  and EDS have started working


Zeiss SEM with EDS Installed


Carbon Coating Unit for SEM


EDS spectrum of a metallic alloy grid

                  Grass seed surface details as seen under SEM


An bug's compound eye structure under SEM

 

ZEISS EVO 40 Series 
Comprehensive XVP/HV SEM 
The ZEISS EVO 40 Series represents the latest developments in SEM technology. The new high resolution multi mode column with a sharp conical objective lens combined with a large multiported chamber enables imaging solutions for a wide range of applications. Class leading X-ray analysis capabilities makes it the most effective analytical SEM currently available. 

The new XVP (eXtended Variable Pressure) capability now exceeds the limitations of other VP and LV instruments, providing real leverage against challenging imaging requirements. The unique upgrade path for the ZEISS EVO 40 from HV (high vacuum) to XVP ensures that the EVO can evolve to match future requirements. 

Whatever your application, whatever specimen, the ZEISS EVO 40 Series offers the perfect imaging solution. 

 Key Features 

  •  XVP mode extends imaging solutions for non conducting and wet samples 
  •  Optibeam controlled multi mode electron optical column 
  •  Enhanced VPSE detector for SE imaging in XVP mode 
  •  Class leading X-ray analysis capabilities 
  •  Upgrade path from HV to XVP 
  •  Specimen size up to Ø 200mm 
  •  Choice of manual or motorised 5 axes stage 
  •  Inclined detectors 

  •  Intuitive operation with Windows® based ZEISS32 with multi-lingual task orientated GUI 
Essential Specification 
    Resolution 3.0 nm @ 30 kV (SE and W) 
    4.5 nm @ 30 kV (BSD - XVP® mode) 
    Acceleration Voltage 0.2 to 30 kV 
    Magnification  7 to 1,000,000x 
    Field of View  6 mm at the Analytical Working Distance (AWD) 
    X-ray Analysis 8.5 mm AWD and 35° take-off angle 
    OptiBeam® Modes  Resolution, Depth, Analysis, Large Field 
    XVP® Pressure Range 
    EP Pressure Range 5 - 750Pa with air, or optionally water vapour 
    5 - 3000Pa with air 
    5 - 2000Pa with water vapour 
    Available Detectors SE in HV - Everhart-Thornley 
    SE in XVP® - VPSE 
    SE in EP - EPSE 
    BSD in all modes - quadrant semiconductor diode 
    Chamber 310 mm (Ø) x 220 mm (h) 
    5-Axes Motorised Specimen Stage X = 80 mm 
    Y = 80 mm 
    Z = 35 mm 
    T = 0° -90° 
    R = 360° (continuous) 
    Stage control by mouse or optional joystick and controlpanel 
    Future Assured upgrade paths HV -> XVP® -> EP 
    Image Processing Resolution: Up to 3072 x 2304 pixel 
    Signal acquisition by integrating and averaging 
    Image Display Single flicker-free XVGA monitor with SEM image displayed at 1024 x 768 pixel 
    System Control SmartSEM™** GUI operated by mouse and keyboard 
    Multilingual CONCISE GUI 
    Windows® XP operating system 
    Utility requirements 100 - 240V, 50 or 60 Hz single phase 
    No water cooling requirement 

Bruker  S-4  Pioneer WDXRF System


 

Actual Site photo of S4 Pioneer WDXRF System

S-4 Pioneer WDXRF System
The S4 PIONEER - the most compact 4 kW wavelength dispersive X-ray fluorescence spectrometer (WDXRF) is dedicated to serve all applications with need for high performance and high sample throughput: Whenever reliable trace analysis, high analyzing speed for accurate process control or robustness for industrial use is demanded - the S4 PIONEER is the right choice for industry as well as for research and development. 

Accuracy and Precision: The S4 PIONEER with advanced 4 kW excitation technology provides highest sensitivity esp. for light elements and traces due to optimized beam geometry. Improved analytical performance for light elements is guaranteed with the very thin Beryllium tube window in combination with optimized excitation parameters. Up to 10 primary beam filters, up to 4 collimators, up to 8 crystals, there is no limitation in analytical flexibility; there is no compromise in analytical performance:, Real high end wavelength dispersive X-ray fluorescence spectrometry (WDXRF). 

The S4 PIONEER is simple in operation: The Integrated Analytical Intelligence (IAI) of SPECTRA plus, the analytical X-ray fluorescence (XRF) software solution for calibration, evaluation and reporting, offers easy start-up for own calibrations guiding the operator through all steps, providing optimized measurement parameters and allows easy routine operation. The integrated standardless evaluation for all kind of samples like rocks, minerals, metals, hydrocarbons and all kind of industrial products allows the fast and easy determination of element concentrations from 100 % down to the ppm-level without performing a calibration. 

 


PANalytical Epsilon-5 EDXRF System

 

PanAnalytical EDXRF Epsilon5
About Epsilon-5 EDXRF System

The Epsilon 5 is a fully integrated X-ray analysis system, combining a unique energy-dispersive X-ray fluorescence spectrometer, with instrument control and analysis software. 

System design
Featuring a 3-dimensional, polarizing optical geometry, together with a 600W Gd-anode X-ray tube and 100kV generator, up to 15 secondary and polarizing targets and a high-resolution PAN-32 detector, the Epsilon 5 is designed for optimal performance across the periodic table. 

The Epsilon 5 incorporates new patented* technologies that re-define "state-of-the-art" in energy-dispersive X-ray fluorescence spectrometry with the technique of Polarizing Energy-Dispersive XRF. It provides high-performance analytical solutions for research and development applications, as well as a cost-effective alternative for commercial analytical laboratories. 

Characterised by highly precise, sub-ppm determinations the Epsilon 5 out-performs its rivals in medium to heavy metals analysis, targeting a wide range of elements, many of environmental significance. 

Sample handling
A flexible X-Y sample changer with capacity for up to 133 samples is a standard, integrated feature. Measurements can be performed in vacuum or He atmosphere, for solid and liquid samples, respectively. 

Epsilon 5 software
The power and flexibility of the Epsilon 5 software are directed through a simple wizard that gives the user full control of the instrument calibration and data handling. This provides the functionality and traceability necessary for laboratory and method accreditation, a feature not always available in XRF instrumentation. 

 


          Applied Photophysics - Chirascan Circular Dichroism Spectrometer with Stop Flow
                                                                 Attachment
 

 

CD

Stop Flow
 
 

About Chirascan CD

Chirascan is the world's most advanced equilibrium circular dichroism spectrometer with performance unrivalled by any other circular dichroism instrument currently available. The technological innovation in its design is manifested in its ability to deliver stunning spectra in a fraction of the time taken by alternative instruments. The outstanding sensitivity and data accuracy available on Chirascan will reveal never-before-seen detail in your circular dichroism spectra. 

Performance
Unique dual polarising prism optics and high throughput F/7 optical coupling provide unmatched far-UV light throughput and enable operation at extended spectral bandwidths. A sealed optical path minimises gas purge loss, so both consumption and start up times are minimal. An all-new digital drive system provides exceptional wavelength and slit-width accuracy. Ultra-low noise demodulation electronics are combined with state of the art data acquisition including automatic gain control providing excellent dynamic range and eliminating the need for circular dichroism range selection. Spectral acquisition employs fixed wavelength digital averaging of the raw photometric signals yielding spectra that are always accurate and free of analogue filtering artefacts. 

Software and Data Acquisition
The Chirascan features our all new Pro-Data instrument software and electronics systems running under Windows™ XP. 

Stopped-flow accessory for Chirascan

The SF.3 stopped-flow accessory for Chirascan couples the worlds best Circular Dichroism spectrometer to the worlds best stopped-flow instrument. Based on the market leading SX20 stopped-flow instrument sample handling unit, the SF.3 stopped-flow accessory provides unrivalled stopped-flow performance for CD, absorbance and fluorescence measurements. 

The SF.3 accessory is controlled via the highly acclaimed Pro-Data software suite which provides a unified software interface which is both powerful and easy to use enabling the user to quickly collect and analyze data. 

All-in-all, the Chirascan with SF.3 stopped-flow accessory provides the user with the ultimate CD-stopped-flow instrument. 
 

Home page
http://www.photophysics.com/chirascan.php


PANalytical X'pert PRO  XRD System (Powder)

 
X'pert PRO  XRD System
PANalytical's X'Pert PRO X-ray diffractometer system is virtually unlimited in its capacity to adapt to changing circumstances that call for new measurement techniques, and new functionality. 

Flexible 
The modular system approach of the X'Pert PRO system provides full flexibility and no-compromise performance for every application – from industrial production control to in-depth research investigations, from routine characterization of minerals to exploration of the most complex high-technology materials. 

Fast
The PreFIX mounting method of optics and stages enables diffractometers to be reconfigured in a few minutes in order to switch to different types of analysis. In this way, lengthy downtime and laborious realignment procedures belong to the past. 

Future-proof
X'Pert PRO is based on a totally open design architecture that will accommodate future advances. So, when new tasks arise in the laboratory you can simply add the necessary modules to the system - there is no need for a new system. 

 


Backman Coulter (MoFlo)   Flow Cytomter with Cell Sorter

 

Dako MoFlo Cytometer and Cell Sorter
Site Photo
 MoFlo™ was conceived at Lawrence Livermore National Laboratories as a tool for rapid isolation of chromosome-specific DNA libraries for the Human Genome Project. The technological breakthroughs continued as MoFlo™ became the first cell sorter to set the standard for multicolor analysis, event rate processing and sorting performance for the flow cytometry industry. 
Dako (Now Beckman-Coulter) Cytomation  MoFlo: 
The Cytomation Inc. MoFlo (Modular Flow cytometer) provides our sorting capability. In addition, the MoFlo provides the capabilities for the more complicated experiments that can not be done on the FACScan or FACSCalibur (e.g. more than 4 colors simultaneously), other fluorochrome emission wavelengths, and requirements for other laser excitations (e.g. ultraviolet). Our MoFlo is configured with 1 iCyte 200mw Blue Sappire 488nm laser and a Melles Groit Helium-Neon laser. The He-Ne produces 35mW of 633nm light. We also have a UV laser that is tunable but normally operates at 350nm. The MoFlo is capable of analyzing up to 10 colors plus forward and side scatter. In terms of sorting capability, the MoFlo can sort for up to 4 different cell populations at once and is capable of purifying populations that are less than 1% of the total input population. The MoFlo was the first commercial instrument developed with high speed sorting. We have done sorts as high as 50,000cells/sec with recovery rates of 90% or greater. Typical sorts on our MoFlo result in purified populations of 95% or greater. We have the ability to sort a wide variety of cell types due to the variable sizes of our interchangeable nozzle tips. We can sort materials that range in size from DNA to material (e.g. cells, bacteria, yeast) that is up to 200 um in size. The Moflo can sort into a variety of capture vessels ranging from 1.5ml microcentrifuge tubes to 15ml to 50 ml conical centrifuge tubes. In addition to test tubes typically used for bulk sorts, the Cyclone on the MoFlo can deposit variable number of cells into a variety of catch vessels; 6, 12, 24, 48, 96, 384 well cluster plates as well as onto slides. It is also possible to sort cells directly onto filters or nitrocellulose membranes. Individual cells can be sorted into plates or slides for cloning for hybridoma production or PCR analysis or in-situ analysis 
Key features: 
The most advanced and intuitive software platform, Summit Software v4.3 
Highest sort yields with viability and function 
Proven sort speeds of up to 70,000 events per second 
The most accurate and reproducible single cell deposition system available 
Full reverse compatibility of newly developed upgrades 
MoFlo™ gives you accurate, reliable results for your science. 

Agilent   3D  Capillary Electrophoresis
 

 

Capillary electrophoresis (CE) 
Capillary electrophoresis (CE) with its high efficiency, rapid analysis time and use of minimal sample and reagent volumens, covers a broad range of applications in a wide variety of industries. Agilent Technologies pioneered the development of this technique with the Agilent 3D Capillary Electrophoresis system. Ever since the system was introduced 
Features
• Best in class injection reproducibility, sensitivity and linearity
• Self-explanatory graphical user-interface integrated in the familiar Chemstation platform for straightforward operation and reduced familiarization time. 
• Variety of separation techniques, including capillary electrochromatography (CEC) and a ranges of integrated CE/MS solutions 
• Broad range of kits and fully described methods covering most application areas. 
• Easily comply with regulatory and quality standards by using the IQ, OQ/PV kits and services which provide everything you need to rigorously test and verify the performance of the CE instrument. 
• Agilent extended light-path capillaries and the high sensitivity detection cell extend detection limits more than 10-fold over standard capillaries and linearity beyond 2000 mAU, maintaining superior resolution. 
• Widest linear measurement range in the market enables low level impurity analysis in a single run. 
• Real-time spectral analysis for accelerated method development, with peak purity routines, compound identification and confirmation interactively using spectral libraries. 
• Ease of use and versatility - Quick change, self aligning capillary cartridge exchanges in less than a minute. The cartridge is compatible with all other commercially available generic capillaries. 

Shimadzu  TD 1020  GC Mass Spectrometer
 

Actual site photo of Shimadzu TD1020 GCMS at AIF JNU
GCMS-QP2010 Plus
Shimadzu QP-2010 Plus GC/MS, the world’s most sensitive Gas Chromatograph/Mass Spectrometer (GC/MS). Ideal for rapid analysis of difficult samples, and determination of trace components, the QP-2010 Plus is the ideal instrument for characterizing complex organic mixtures in fields from forensics to food and flavors sciences. 

Plus features an extended mass range (from 1.5 to 1090 m/z) to allow analysis of higher mass compounds as well as an extended ion source temperature range (from 100? to 300? C) to increase flexibility and reduce maintenance.  Dual 200 L/sec turbo pumps provide increased sensitivity and column flow capacity, showing two times the sensitivity for Octafluoronapthalene (OFN) and triple the sensitivity in Electron Impact (EI) and Negative Chemical Ionization (NCI) modes over the original. 

The QP-2010 Plus is also equipped with software allowing simultaneous Scan/SIM modes that enable detailed information on compounds of interest without sacrificing data across the entire mass spectrum. The automatic correction with Intelligent Sequencing capability allows for unattended operation when a QC action has failed, and Retention Indexing allows retention time correction of SIM and compound tables, ensuring precision and accuracy of target compounds. 
 

For Details Visit website
 http://www.shimadzu.com/products/lab/ms/oh80jt0000001rth.html



Varian 7000 series FT-IR-Raman spectrometer
 

Site picture of FTIR with Raman attachment
The Varian 7000 series advanced research FT-IR spectrometer provides the highest optical throughput available in the market, without compromising sensitivity or functionality. 
The Varian 7000e FT-IR represents the economical entry into this series of high performance spectrometers, offering all of the optical performance and most of the experimental capabilities of the Varian 7000 FT-IR. The Varian 7000e FT-IR instrument is easily upgradeable to an Varian 7000 FT-IR when you are ready for full step scan capabilities. 
The Varian 7000 FT-IR Step-Scan spectrometer features patented Digital Signal Processing Software (DSP1™, DSP2™ and DSP3™) which offers the research scientist additional capabilities in multiple modulation spectroscopy, ideal for research in polymers, materials, biological compounds and gases. 
The FTS 7000 series spectrometers can be controlled by Resolutions Pro™ software. These spectrometers can also be fitted with a wide range of accessories to provide extra capabilities. 

Varian 7000 FT-IR & Varian 7000e FT-IR features: 
• Highest optical throughput 
• Spectral coverage from the far-IR to the UV 
• High speed kinetics scan rates 
• Dynamic alignment 
Varian 7000 FT-IR features & capabilities: 
• Step scan operation 
• Polarization modulation experiments 
• Time Resolved Spectroscopy (TRS) 
• Photoacoustic Spectroscopy (PAS) 
• Dynamic Infrared Linear Dichroism (DIRLD) 
• Imaging 
Specifications 
Specifications Varian 7000e FT-IR Varian 7000 FT-IR 
Spectral range  UV-Vis, Near-IR, Mid-IR, Far-IR 
(50,000 cm-1 to 10 cm-1) 
Kinetic scan rates 90 spectra/second 
 


Edingburg LifeSpec-ps Time Resolved Spectrometer
 

Site photo of Edinburgh Time Resolved Fluorescence Spectrometer

  Edinburgh LifeSpec ps Time Resolved Spectrometer

The LifeSpec-ps is a compact, high performance, computer controlled spectrometer for the measurement of fluorescence lifetimes based on the technique of Time Correlated Single Photon Counting. The LifeSpec-ps has been designed specifically to be used with femtosecond or picosecond mode locked laser sources for the rapid measurement of lifetimes down to picoseconds. 
Features Include : 
• Fluorescence lifetimes from 10picoseocnds to 10microseconds 
• Spectral range 200- 850nm 
• High dynamic range and temporal resolution 
• Time Correlated Single Photon Counting operation 
• PC plug-in card for TCSPC 
• Fully computer controlled through Windows software 
• Computer controlled Time Resolved Emission Spectra acquisition 

 EPLs - Edinburgh Picosecond Diode Lasers 
The EPL picosecond diode lasers have been designed as a light source for TCSPC systems. They have been pre-adjusted for the best pulsewidth and spectrally purified output. A choice of 10 repetition rates which match the TCSPC electronics of the Lifespec are available. 
Picosecond Pulsed Light Sources 
    EPL 375 EPL 405 EPL 445 EPL 475 EPL 635 
Wavelength (±10 nm) [nm] 375 405 445 475 635 
Linewidth (nm) [nm] <2.0 <2.0 <2.0 <2.0 <2.0 
Max Pulse Width @10MHz [ps] 90 90 100 90 100 
Typical Pulse Width @10MHz [ps] 60 70 95 85 95 
Typical Average Power @20MHz [mW] 0.080 0.35 0.15 0.15 0.30 
Min. Average Power @20MHz [mW] 0.065 0.25 0.10 0.10 0.10 
Typical Peak Power @10MHz [mW] 80 350 65 100 90 
Min Peak Power @10MHz [mW] 150 150 55 55 55 
Pulse Repetition Frequencies for EPLs 
Pulse Repetition Frequencies 20 MHz 10 MHz 5 MHz 2 MHz 1 MHz 500 kHz 200 kHz 100 kHz 50 kHz 20 kHz 

The LifeSpec-ps utilises the technique of Time Correlated Single Photon Counting (TCSPC) for fluorescence lifetime data acquisition. 
 



Autolab Esprit Surface Plasmon Resonance Spectrometer
 

The site photo of SPR AutoLab Esprite
 Autolab Esprit  Surface Plasmon Resonance 

The Autolab Esprit is a unique double channel SPR instrument with an autosampler incorporated. The standard supplied electrochemical cuvette allows measurements on a 3-electrode system: 
• a fixed contact point to the gold layer of the sensor disk, the gold operates as working electrode 
• replaceable Ag/AgCl reference electrode 
• fixed Platinum counter electrode 
A normal cuvette is available for all standard SPR measurements where biomolecular interactions are studied. 

The application areas are: 
• Biosensors (in combination with amperometry/impedance spectroscopy) 
• Conducting polymers 
• Enzymes 
• Membrane proteins 
• DNA - DNA interactions 
• Protein - virus interactions 
• Peptide - antibody interactions 
Specifications of the Autolab ESPRIT: 
No. of channels 2 
Fixed wavelength 670 nm 
Autosampler Integrated 
Sample volume 20 - 150 µl 
Manual offset of SPR angle 62°-78° 
Dynamic range 4000 m° 
Angle resolution  ‹ 0.05 m° 
Baseline noise 0.1 m° 

Refractive index range 1.26 - 1.38 (BK7 slider) 
 1.32 - 1.44 (N-BAF3 slider) 
Refractive index resolution ‹ 2x10-6 
Minimum molecular weight 180 D 
 


Stirling   Liquid Nitrogen Plant
 
StirLIN-1 Economy 

The StirLIN-1 Economy plant is a popular, plug and produce solution. It takes up little space, is pre-calibrated and ready to go to work. With the integrated chiller no external cooling water supply is needed. Simply connect power and start producing your own liquid nitrogen. 
The StirLIN-1 Economy includes an oil free air compressor, an air separation unit, an integrated chiller (no cooling water needed), a Stirling Process Cryogenerator (SPC-1) and a 200 liter storage vessel. It produces at least 5 usable liters per hour of liquid nitrogen of 99% or better purity at nominal operating conditions. The pressure in the storage vessel can be set from 0.3 to 3 bar(g), increasing the liquid nitrogen production to a maximum of 7 l/h at a purity of 98% or better. Higher production and better purity than any other system in its category. The liquid is dispensed through a flexible hose by opening a valve. 
Operators only need to replace filters and perform routine checks between maintenance intervals, which is 6,000 operating hours. 
 

 


 
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Updated on 26-7.2008