Sigma-Aldrich - Product Announcements

Features and Benefits • Provides a sticky membrane on slide
• Prevents the tissue from moving, wrinkling or falling off the slide
• Flattens the section and eliminates the need for hot water extension
• Suitable for microwave protocols
• Use with Liquid Blocker Pen for small scale cultures (read more)

This kit includes 6 different small size double-ended tools and set of tweezers for accurate handling of minute quantities of materials each tools has two different end shapes, doubling the selection of implements to better match users needs.

A carrying case protects and organizes all tools when not in use. (read more)

Users will appreciate this clever and effective air powered magnetic stirrer for it's ease of use and low cost. A low pressure air supply is all that is needed to power this magnetic stirrer, ideal for environments where sparking hazards from electrical sources must be eliminated. (read more)

Rugged heavy-wall reactors with a Schott flange with shallow o-ring groove at the top for connection to a jointed head with quick-release clamp. These complete bench top systems include all components required for operation except an IKA^® stirrer motor, model RW 20.n, which is recommended for all reactor sizes. See the stirrer section for a listing of these products. (read more)

The Rotavapor RII fullfills exactly the fundamental needs of classical laboratory applications in teaching and research, practically and dependably, without compromising quality or safety. Available in three different glassware assemblies, all supplied with a standard 24/40 joint (US) or 29/32 (Europe) on the evaporator flask and a 35/20 ball joint on the receiving flask. (read more)

Patented hinged-cap system. Ergonomic design for one-handed opening and closing Integrated leakproof cap prevents cross contamination and lost closures. Clarified polypropylene combines chemical resistance and high speed tolerance. 15 ml and 50 ml versions are available White writing area and flat caps for sample identification. Printed graduations. (read more)

The unique threaded connector at the top of this apparatus permits adjustment of the distance between the cold trap and the bottom of the apparatus, depending upon the amount of substance in the bottom and the rate of sublimation, without stopping the process. This is important when working with highly sensitive chemicals. (read more)

The model KDS330 is designed to emulsify viscous fluids/suspensions by forcing them back and forth through a micro-emulsifying needle. The pump eliminates the fatigue and time required to manually prepare the emulsion. The KDS330 is ideal to prepare an adjuvant/antigen mixture to the correct viscosity ready for injection. (read more)

NightHawk are the latest in disposable nitrile hand protection. Not only is NightHawk an accelerator-free, textured fingertip, powder-free disposable nitrile glove it also offers impressive static-dissipative properties. These gloves are ideal for any job where static is a problem but hand protection is a necessity. (read more)

The Aldrich Spectral Viewer is an electronic reference book on CD-ROM that contains thousands of spectra from the Aldrich spectral libraries. This easy-to-use software program is more powerful than a printed book, allowing text and data field searching and the manipulation, printing, and exporting of spectra. (read more)

The Evolution One glove is lightly chlorinated for greater glove stability. Longer and thicker for added protection, the Evolution One glove is made to provide greater manual dexterity and tactile sensitivity. Plus, it's powder-free and protein rated. (read more)

Keep all your magnetic stirring bars and accessories organized and accessible with the Spinbar magnetic stirring bar garage.

Multiple sizes and shapes of magnetic stirring bars from 159 mm (6") to tiny 10 mm (0.5") bars can be stored on the dedicated rack and free stands on the bench or can be mounted to a vertical surface (mounting hardware not included). (read more)

The largest domed desiccator of its kind, offers 65 liters (4,000 cu. in.), with space for items up to 18in. tall or wide. Handles interconnect to prevent displacement of the dome top when not under vacuum and also provides for the ability to lock the desiccator or for the placement of tamper evident seals. (read more)

Use the Scienceware Height-Adjustable Rack to securely hold up to six tubes or vials at any desired depth in a water bath or beaker. The rack has a flexible grip that easily retains mixed test tubes of varying weight and volume from 1.5 to 15ml. Unlike floating racks, this rack's adjustable height prevents submersion and sinking problems that might occur with heavier or unbalanced tubes. (read more)

General description:

First Closer homogenizing system.
One time use, no clean-up
Quick, simple, easy to operate
Dispersing, Stirring, Millling
A universal disposable disperser system.
Hermetically sealable disposable sample tubes (sold separately) provides protection for infectious sample materials, toxic substances, high-odor stubstances (read more)

ChemDose^® is a novel technology allowing for the use of chemical reagents and catalysts in the form of tablets. The ~5 millimeter tablets are composed of a chemically inert magnesium aluminosilicate matrix, together with an adsorbed reagent or catalyst. (read more)

The GenomePlex Tissue Whole Genome Amplification Kit (WGA5) rapidly amplifies microgram quantities of genomic DNA from less than a milligram of archived tissue. The WGA Tissue Kit incorporates an optimized tissue lysis and extraction procedure allowing amplification directly from fresh, frozen, formalin-fixed paraffin-embedded (FFPE) or RNAlater®-preserved tissue. (read more)

Three new fluorescent protein stains, LUCY-506, LUCY-565 and LUCY-569 have been developed. These dyes are suitable for staining proteins on polyacrylamide gels (both 1D- and 2D-Electrophoresis) and offer a reliable, convenient and economic alternative to current silver staining techniques or existing fluorescent staining methods for the detection of minute amounts of protein. (read more)

For certified calibration solutions, we maintained a long-standing partnership with Swiss Federal Institute for Materials Science and Technology (EMPA). However, EMPA terminated all their activities in chemical metrology in 2004 and no longer acts as a national metrological institute. Recognizing that EMPA's exit created the need for firstclass CRM supplier in the market, Sigma-Aldrich made a s... (read more)

Because we're listening to your needs Sigma-Aldrich understands you are searching for efficiency and effectiveness in procurement management. We have developed a full range of e-commerce services designed to enable greater spend control for your procurement staff, and provide your researchers with ease of access to the products they've come to rely on. (read more)

Sigma-Aldrich offers high viscosity cyanoacrylate adhesives. (read more)

Büchi® Rotavapor® R-210 evaporator with jack and water bath, Basic, 24/40 jointed glass (read more)