183262 Results for: "Trajan Scientific and Medical"

Microbiological laboratories need a simple procedure to maintain important microorganisms rather than repetitive sub-culturing, which results in contaminated cultures, loss of viability and, even more importantly, loss of original characteristics by introducing biochemical and genetic changes. Cryoinstant consists of 25 porous beads in a vial filled with a broth containing glycerol. Microorganisms will bind to the porous surface of the beads. The excess broth is aspirated, and the vials stored at temperatures down to –70 °C in a freezer.

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Trypan blue 0,4% in aqueous solution, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Trypan blue is a tetrasulfonated anionic, hydrophilic azo dye derived from toluidine. The non-permeable cell membrane dye is a vital dye that selectively stains dead or non-viable cells, that pass through damaged but not through intact cell membranes.

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Ethyl cinnamate 98% (trans-isomers)

Supplier: Thermo Fisher Scientific

Ethyl cinnamate 98% (trans-isomers)

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VWR®, Cell culture media, RPMI 1640

Supplier: VWR Chemicals

RPMI are general purpose enriched media. Originally formulated for suspension cultures and monolayer cultures of human leukemic cells.

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VWR®, Accessories for Media Bottles with Screw Cap

Supplier: VWR Collection

Septum cap, blue, 38 - 430, VWR®

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J.T.Baker® BAKERBOND®, Hydrophobic Interaction Chromatography Media

Supplier: Avantor

Silica-based media used for the purification of proteins based on differential salt induced hydrophobicity. Mixed mode provides unique selectivity with its hydrophobic interaction and ion exchange function.

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J.T.Baker® BAKERBOND®, HPLC Sorbent Packing Media

Supplier: Avantor

J.T.Baker® BAKERBOND®, Octadecyl (C18) silica irregular 40 µm, 60 Å Prep LC sorbent packing media, reverse phase, 1 kg in glass container

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trans-2-(Trifluoromethyl)cinnamic acid 97%

Supplier: Apollo Scientific

trans-2-(Trifluoromethyl)cinnamic acid 97%

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trans-2,5-Difluorocinnamic acid 97%

Supplier: Apollo Scientific

trans-2,5-Difluorocinnamic acid 97%

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Celite® Hyflo Super-cel®, filter aid

Supplier: Roth Carl

Celite® Hyflo Super-cel®, filter aid

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Electrophoresis running buffers

Supplier: G-Biosciences

There are many electrophoresis running buffers including: TAE running buffer (50×), TBE running buffer (10×), TBE-urea sample buffer, MOPS running buffer (10×), and MOPS/ SDS running buffer (20×). These include the SDS-PAGE sample loading buffer, SDS-PAGE running buffer, native sample loading buffer, tris glycine native gel running buffer, tricine sample buffer, tris-tricine, tris-tricine-SDS, MES SDS running buffer, MOPS/ SDS running buffer, IEF anode buffer, IEF cathode buffer, zymogram sample buffer, zymogram renature buffer, zymogram development buffer and the discontinuous buffer system.