Equipment

Sensors

• SLM model 48000 multi-harmonic Fourier instrument (frequency domain). This system is capable of routine steady-state fluorescence anisotropy and intensity, picosecond time-resolved fluorescence anisotropy and intensity decay, and phase-resolved fluorescence measurements.
• Hybrid SLM model 4850 fluorimeter. This system uses frequency-domain cross correlation detection with photomultiplier tubes or time-domain detection with a microchannel plate photomultiplier tube and time correlated single photon counting. The system is capable of steady-state and picosecond (frequency- and time-domain) fluorescence measurements under one-, two-, and three-photon excitation conditions.
• Femtosecond Ti:sapphire laser system. This system consists of a Coherent model Mira 900F Ti:sapphire laser, a cw argon-ion pump laser (Coherent, Model Innova 400), a pulse-picker (Coherent, Model 9200), and a second and/or third harmonic generation system (CSK, Model Super Doubler/Tripler). The system produces 100-200 fs long pulses at 725-950 nm (fundamental), 363-475 nm (second harmonic), and 242-317 nm (third harmonic). Average powers in excess of 1.5 W are possible.
• An IBH model 5000-W-SAFE with flashlamp (40 kHz), LED (1 MHz), and diode laser (1 MHz) excitation. This system is capable of performing picosecond and nanosecond time correlated single photon counting fluorescence measurements.
• A home built time-resolved fluorimeter. This system consists of N2 pump laser (PTI, Model GL-3300) and a dye laser (PTI, Model GL-301l). Detection is performed with a fast-wired photomultiplier tube and a 200 MHz digital oscilloscope (Tektronix, Model TDS 350). The dye laser output is tunable between 350 and 800 nm and produces 500 ps long pulses at 5-10 Hz. The system is ideal for recording time-resolved intensity decays when the excited-state lifetime exceed 50 ns.
• Two SLM model 8100 steady-state fluorimeters. These systems are capable of routine steady-state fluorescence anisotropy and intensity measurements.
• HP 8452A diode array spectrophotometer. This system is used for recording routine UV-Vis electronic absorbance spectra.
• Chromex model 250 cmi Raman system with CCD detection and custom high-pressure interface. This system is used for recording routine Raman spectra. Excitation is at 514.5 nm (argon-ion laser)
• CCD-based Olympus BX-FLA fluorescence microscope. This system is used for diagnostics and for reading our pin-printed chemical sensor arrays.
• A Cartesian Technologies model ProSys 5510 pin printer system. This system is used for forming chemical sensor arrays and for performing high throughput materials screening campaigns.
• CW argon-ion laser (Spectra-Physics model 164).
• CW intracavity-doubled argon-ion laser (Lexel Lasers model 95 SHG)
• Omnichrome He-Cd laser (325 nm).
• Liconix He-Cd laser (442 nm).
• Brookfield Engineering cone-plate viscometer.
• Over one dozen high- and mid-pressure pumps.
• A cache of high-pressure custom optical cells for supercritical fluid work. Most cells operate up to 300 bar and 350K. One cell is available to operate up to 2,500 bar.
• Six (6) dedicated IBM compatible PCs for off-line data analysis, simulations/modeling, graphics, code development and word processing.
• An extensive collection of optics, diagnostic tools, and shop tools.

Some IBM notebooks allow users to logon using a fingerprint scanner. Will cell phones be next?