Products & Reviews

Low autofluorescence and optimum gas exchange

Kainic Acid is a selective agonist of kainite receptors. It is also a potent excitant and neurotoxin. Chemical Name: (2S,3S,4S)-Carboxy-4-(1-methylethenyl)-3-pyrrolidineacetic acid M.Wt: 213.23 Formula: C10H15NO4 Solubility: Soluble to 25nM in water Purity: >98% Storage: Store at room temperature

The AURA® PSG Ambulatory System is a powerful, easy-to-use polysomnography system consisting of a high quality 25-channel AURA PSG Amplifier System with built-in electrode/sensor inputs and built-in oximeter designed especially for PSG, and TWin PSG Record and Review Software. Features • Ambulatory, in-lab and out-of-lab applications • 25-channels • Built-in Pulse Oximeter • Built-in Electrode/Sensor Connections • Pulse Transi…

The EXP® Hand-Tight Nut & Titanium Hybrid Ferrule fitting system is the premier adjustable nut and ferrule compression fitting for extreme high-pressure connections between 1/16" tubing and any 10-32 port. The patent-pending Titanium Hybrid Ferrule integrates the resilience of titanium with the proven sealing ability of PEEK in a superb one-piece design. The Hybrid Ferrule provides a perfect seal with every connection, yet the…

The EXP® Pre-Column Filter is ideal for protecting small-particle UHPLC columns at extreme pressures. Such techniques analyze samples in the most demanding applications, which can decrease the life of these expensive columns. EXP® Pre-Column Filters help extend that life and protect your column investment without sacrificing performance. Free-Turn® architecture allows the user to change cartridges by hand without breaking flui…

The EXP® Guard Column cartridge system is rated to 15,000 psi with hand-tight replaceable cartridges. This unique design connects directly to any UHPLC column with the auto-adjusting Titanium Hybrid Ferrule and EXP® Fittings, providing repeated zero-dead-volume connections and easy adjustability between various column types. Free-Turn¨ architecture allows the user to change cartridges by hand without breaking fluid connections…

The patent-pending EXP® Trap Column is rated for use at 20,000+ psi (1,400+ bar). This unique design connects directly to any injection valve (with 10-32 threads) or in-line with 1/16” stainless tubing for unparalleled convenience and efficiency. The EXP® Cartridge System enables chemists to quickly remove detergents or salts which can affect the ionization process in MS work. This trapping technique can concentrate the sampl…

OPTI-MAX® Cartridge Check Valves are designed to offer maximum performance and ease of use. From the sharp, consistent threads on OPTI-MAX® custom housings, to the exacting standards used to match ball/seat sets in OPTI-MAX® cartridges, every aspect of design and manufacturing reflects an unavoidable fact: when it comes to reliable check valve operation, quality and precision make a big difference. OPTI-MAX® check valves offer…

The entire EXP® Stem Trap and reusable holder are only slightly larger than a standard HPLC fitting. Its slim architecture allows it to easily fit into crowded instrument compartments or to connect directly to tightly-spaced injection ports. When tightened by hand, the EXP® Stem Trap seals to 8,700+ psi. All configurations incorporate wrench-flats to enable flawless sealing to 20,000+ psi (1,400+ bar). The unique packed floati…

The EXP® Fitting System is the premier adjustable nut and ferrule compression fitting for extreme high-pressure connections between 1/16" tubing and any 10-32 port. The patent-pending Titanium Hybrid Ferrule integrates the resilience of titanium with the proven sealing ability of PEEK in a superb one-piece design. The Hybrid Ferrule provides a perfect seal with every connection, yet the swage can be released without tools to a…

The EXP® Hex Head Nut & Titanium Hybrid Ferrule fitting system is the premier adjustable nut and ferrule compression fitting for extreme high-pressure connections between 1/16" tubing and any 10-32 port. The patent-pending Titanium Hybrid Ferrule integrates the resilience of titanium with the proven sealing ability of PEEK in a superb one-piece design. The Hybrid Ferrule provides a perfect seal with every connection, yet the s…

The EXP® Hand Tight Coupler is the premier adjustable nut and ferrule compression fitting for extreme high-pressure connections between 1/16" tubing and any 10-32 port. The patent-pending Titanium Hybrid Ferrule integrates the resilience of titanium with the proven sealing ability of PEEK in a superb one-piece design. The Hybrid Ferrule provides a perfect seal with every connection, yet the swage can be released without tools…

The EXP® Stem Filter features a choice of frit porosities integrated with our patented auto-adjusting stem for repeated ZDV connections with any 10-32 port. The entire filter stem and reusable holder are only slightly larger than a standard HPLC fitting. This slim architecture allows it to easily fit into crowded instrument compartments, tightly spaced injection ports, and anywhere else you need an extra level of protection ag…

The cartridge-based EXP® Analytical Column System is designed for superior chromatographic analysis with each injection rated for routine use up to 20,000 psi.The new EXP® Analytical Column Holders incorporate Free-Turn® architecture allowing the user to quickly exchange columns, by hand, without breaking any fluid connections. The EXP® Analytical Column Holders are available in two formats: In-Line and Direct Connect, allowin…

The EXP® Nano Trap System is designed to remove detergents or salts which can affect the ionization process in MS work rated for routine use up to 20,000 psi.The new nano-scale traps are available in two formats – EXP® Nano Trap and EXP® Nano Trap HR. Both formats are available in 10 or 20 mm lengths and in a variety of bed volumes ranging from 0.25µL - 4.0µL. The EXP® Nano Trap follows a traditional trap column format, design…

The EXP® Hand Tight Nano Fittings System offers hand-tight and hex head adjustable nut and ferrule compression fittings for extreme pressure connections between 1/32” stainless steel tubing and 6-40 ports.Ideal for nano-scale UHPLC and UHPLC/MS, this nut and ferrule compression fitting is rated to 20,000+ psi (1400+ bar). The patent-pending EXP® 1/32” Titanium Hybrid Ferrule combines the sealing capability of PEEK and robust n…

The EXP® Nano Fittings System offers hand-tight and hex head adjustable nut and ferrule compression fittings for extreme pressure connections between 1/32” stainless steel tubing and 6-40 ports.Ideal for nano-scale UHPLC and UHPLC/MS, this nut and ferrule compression fitting is rated to 20,000+ psi (1400+ bar). The patent-pending EXP® 1/32” Titanium Hybrid Ferrule combines the sealing capability of PEEK and robust nature of ti…

OPTI-MAX® Cartridge Check Valves are designed to offer maximum performance and ease of use. From the sharp, consistent threads on OPTI-MAX® custom housings, to the exacting standards used to match ball/seat sets in OPTI-MAX® cartridges, every aspect of design and manufacturing reflects an unavoidable fact: when it comes to reliable check valve operation, quality and precision make a big difference. OPTI-MAX® check valves offer…

OPTI-SOLV® Reservoir Filters employ a unique conical design inside the filter housing to prevent air bubbles from getting trapped and disturbing your analysis. While the availability of HPLC-grade solvents diminishes the need for pre-filtering, it is still imperative that a filtration device be installed in the reservoir. Placing a filter in the reservoir is an economical way to filter particles that may result from buffer sal…

A solid PTFE body keeps OPTI-SOLV® filter at the base of the bottle where a bottom-mounted titanium frit provides unrestricted solvent access. As always, Optimize makes installation as simple as possible - no tools or fittings required and includes 5 feet of pre-installed PTFE tubing. OPTI-SOLV Reservoir Filters employ a unique conical design inside the filter housing to prevent air bubbles from getting trapped and disturbing…

The OPTI-SOLV® Mini Filter provides low-impact filtration in a package no larger than a finger tight fitting. Use them to extend the life of your analytical column, or before your mass spectrometer as a last line of defense against debris. Perfect zero-dead-volume connections are obtained every time with our patented automatic tube stop depth adjustment. Unique depth-filtering elements allow for greater capacity with no band s…

The OPTI-SOLV® Nano Filter follows our Micro Filter but cuts the internal volume down even further. With less than 50 nL of internal volume, the OPTI-SOLV® Nano Filter is ideal for mass spectrometry to protect your electrospray and nanospray tips from clogging with debris. Like the Micro and Mini Filter, the Nano Filter is designed to be used in today's low volume, high sensitivity chromatographic applications as a last line o…

For your volume critical filtering needs, we now offer the OPTI-SOLV® Micro Filter. Based on the same design that has made the Mini Filter a huge success, the Micro Filter cuts the internal volume to less than 200 nL but retains the ease of use and functionality of the Mini Filter. The Micro Filter is designed to be used in today's low volume, high sensitivity chromatographic applications as a last line of defense against debr…

The user-friendly Hand-Tight OPTI-SOLV® In-Line Filter System is well suited for a number of applications, such as high temperature, high-pressure environments where quick changes are imperative. The unique swivel design allows frits to be changed without removing the connecting tubing. Just plumb it once and leave it. The frictional forces generated at the piston/seal interface inevitably lead to particulate shedding. Placeme…

The user-friendly Wrench-Tight OPTI-SOLV® In-Line Filter System is well suited for a number of applications, such as high temperature, high-pressure environments where quick changes are imperative. The unique swivel design allows frits to be changed without removing the connecting tubing. Just plumb it once and leave it. The frictional forces generated at the piston/seal interface inevitably lead to particulate shedding. Place…