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| Company | JASCO | JASCO | JASCO | JASCO | JASCO |
| Item | J-1100 Circular Dichroism Spectrophotometer | FVS-6000 Vibrational Circular Dichroism Spectrometer | J-1500 Circular Dichroism Spectrophotometer | J-1700 Circular Dichroism Spectrophotometer | V-750 UV-Visible Spectrophotometer |
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| Catalog Number | J-1100 | FVS-6000 | J-1500 | J-1700 | V-750 |
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| Type | Circular Dichroism | Circular Dichroism | Circular Dichroism | Circular Dichroism | UV-Visible |
| Wavelength Range | 180 to 600 nm | 3,200 to 850 cm-1 (Optional: 4,000 to 750 cm-1) | J-1500: 163 to 950 nm (Option: 163 to 1600 nm) | 163 to 2500 nm (Option: 163 to 950 nm (PMT) / Option: 900 to 2500 nm (InGaAs) | 190 to 900 nm |
| Wavelength Accuracy | Inquire | Inquire | Inquire | Inquire | ±0.2 nm (at 656.1 nm) |
| Scanning Speed | up to 5,000 nm/min | Inquire | up to 10,000 nm/min | up to 10,000 nm/min | 10 to 4,000 nm/min (8,000 nm/min in preview mode) |
| Spectral Bandwidth | 1 nm | Inquire | 0.01 to 16 nm | 0.01 to 16 nm (163 to 950 nm) / 5, 10, 20, 30, 40, 50 nm (950 to 2,500 nm) | 0.1, 0.2, 0.5, 1, 2, 5, 10 nm
L2, L5, L10 nm (low stray light mode)
M1, M2 nm (micro cell mode) |
| Optical System | Double-prism polarizing monochromator / J-1700: Double-prism polarizing monochromator and grating monochromator | 28° Michelson interferometer, with gold coated corner-cube mirrors. mechanical bearing, temperature stabilized / KRS-5 Polarizer / | Double-prism polarizing monochromator / J-1700: Double-prism polarizing monochromator and grating monochromator | Double-prism polarizing monochromator and grating monochromator | Czerny-Turner mount
Double monochromator
Fully symmetrical double beam type |
| Light Source | 150W air-cooled Xe lamp | High intensity ceramic source, insulated mount | 150W air-cooled Xe lamp or 450W water-cooled Xe lamp | 150W air-cooled Xe lamp or 450W water-cooled Xe lamp | Halogen lamp, Deuterium lamp |
| Resolution | Wavelength Resolution: 0.025 nm / CD Resolution: 0.00001 mdeg | 0.5 to 16 cm-1 | Wavelength Resolution: 0.025 nm / CD Resolution: 0.00001 mdeg | Wavelength Resolution: 0.025 nm / CD Resolution: 0.00001 mdeg | =BS9 |
| Description | The J-1000 Series Circular Dichroism spectrophotometers are specifically designed for high sensitivity measurements in the near- and far-UV regions, for scientists that need confidence in the data from characterization studies of biomolecule structure, function, and stability under a wide variety ofThe J-1000 Series Circular Dichroism spectrophotometers are specifically designed for high sensitivity measurements in the near- and far-UV regions, for scientists that need confidence in the data from characterization studies of biomolecule structure, function, and stability under a wide variety of experimental conditions.
The J-1100 Circular Dichroism spectrophotometer is a compact, general-purpose space-saving design. This simple yet powerful instrument is perfect for users looking to obtain more routine CD measurements in both industry and academia.
The J-1100 uses simple optimized parameters so that a wide range of users with different levels of CD knowledge can get right down to work and successfully obtain high quality data. The wavelength range from 180 to 600 nm is suitable for obtaining secondary and tertiary structure measurements in the near- and far-UV. When fitted with a Peltier cell holder, the J-1100 be used for measurement of CD, LD and absorbance as a function of wavelength, temperature, and time.... Read More | The FVS-6000 Vibrational Circular Dichroism Spectrometer measures both IR absorption and VCD, and provides accurate and highly sensitive measurement in the fingerprint region. The FVS-6000 optical system uses a 28° interferometer with gold coated corner cube mirrors for high throughput and to The FVS-6000 Vibrational Circular Dichroism Spectrometer measures both IR absorption and VCD, and provides accurate and highly sensitive measurement in the fingerprint region. The FVS-6000 optical system uses a 28° interferometer with gold coated corner cube mirrors for high throughput and to minimize polarization effects with reflective optics to eliminate artifacts caused by birefringence, resulting in very high-quality VCD data. The FVS-6000 uses a unique highly sensitive narrow-band MCT detector specially developed for VCD measurement across the spectral range 3,200 to 850 cm-1. Optional detectors and filters can be added to extend the range to 4,000 to 750 cm-1, typically for measurement of -OH and -NH bands. Detectors are easily exchanged without the need for manual alignment, and optical filters can be selected automatically.... Read More | The J-1000 Series Circular Dichroism spectrophotometers are specifically designed for high sensitivity measurements in the near- and far-UV regions, for scientists that need confidence in the data from characterization studies of biomolecule structure, function, and stability under a wide variety ofThe J-1000 Series Circular Dichroism spectrophotometers are specifically designed for high sensitivity measurements in the near- and far-UV regions, for scientists that need confidence in the data from characterization studies of biomolecule structure, function, and stability under a wide variety of experimental conditions.
The J-1500 allows for the maximum flexibility to upgrade your CD system with different measurement techniques. While the standard measurement modes are CD, LD, and absorbance, up to four simultaneous modes can be measured when combined with a wide range of sampling accessories.
These accessories can measure a variety of samples, from liquids to films to solid-states. Temperature control systems can be coupled with multi-position cells to run thermal melts, providing researchers with CD and thermodynamic data sets for conformational and folding studies. Automated high-throughput CD can obtain measurements on up to 192 samples without user intervention, saving both time and money. Kinetic and protein dynamics studies can be performed with our dedicated stopped-flow systems that can measure both CD and fluorescence.
The wavelength range has also been significantly extended, allowing measurements to be obtained in both the vacuum-UV and NIR spectral regions using the standard PMT detector (163 to 950 nm) and an optional InGaAs detector (up to 1,600 nm). Additional features now allow researchers to optimize their parameter specifications in order to obtain data with the highest resolution and S/N performance for a specific application set.... Read More | The J-1000 Series Circular Dichroism spectrophotometers are specifically designed for high sensitivity measurements in the near- and far-UV regions, for scientists that need confidence in the data from characterization studies of biomolecule structure, function, and stability under a wide variety ofThe J-1000 Series Circular Dichroism spectrophotometers are specifically designed for high sensitivity measurements in the near- and far-UV regions, for scientists that need confidence in the data from characterization studies of biomolecule structure, function, and stability under a wide variety of experimental conditions.
The J-1700 was specifically designed for more demanding near-infrared CD applications. In addition to the enhanced far-UV capabilities, researchers probing the chiral activity of molecules in the NIR spectral region now have the ability to obtain data at wavelengths up to 2,500 nm. The InGaAs detector has a wavelength range from 900 to 2,500 nm, while the PMT ranges from 163 to 960 nm. The automatic detector interchange allows researchers to obtain both far-UV and NIR measurements without having to manually switch detectors. The addition of a grating monochromator to the double-prism monochromator setup provides low stray light and high light intensity, generating CD signals with high S/N performance throughout a large spectral range.... Read More | The V-750 UV-Visible Spectrophotometer optical design uses precision double-beam optics with variable spectral bandwidth. A high sensitivity PMT detector provides accurate and reproducible measurements for low to high concentration samples. By controlling the high voltage applied to the PMT, the The V-750 UV-Visible Spectrophotometer optical design uses precision double-beam optics with variable spectral bandwidth. A high sensitivity PMT detector provides accurate and reproducible measurements for low to high concentration samples. By controlling the high voltage applied to the PMT, the dynode feedback offers a wider dynamic range than is generally found on uv-visible spectrophotometers. For high resolution measurements, such as gas and vapor phase spectroscopy, the spectral bandwidth can be set as narrow as 0.1 nm. Special low stray light slit settings which optimize the light image on the monochromator provide increased linearity to up to 5 absorbance units.... Read More |
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