Hľadali ste: extrakt

Katalógové číslo: (EDVO255)

Dodávateľ: EDVOTEK

Opis: When bacteria are used to make medicinally useful proteins by transformation, the protein of interest must be separated from all of the other cellular proteins. In this experiment, the unique fluorescent properties of GFP and BFP are used as an assay during their purification from an <i>E. coli</i> extract. The column fractions containing GFP or BFP are identified by fluorescence and then purified. As an optional activity, purified protein fractions can be separated by SDS polyacrylamide gel electrophoresis (SDS-PAGE) to estimate the purity and size of the GFP and BFP proteins.

Merná jednotka: 1 * 1 KIT

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Katalógové číslo: (442-1117)

Dodávateľ: GRANT INSTRUMENTS

Opis: Mini magnetic stirrer with stainless steel plate. The stirrer is ideal for pH metering, extraction and dialysing with small quantities of substances.

Merná jednotka: 1 * 1 items

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Dodávateľ: iST Scientific Ltd

Opis: Transparent DMSO resistant film with piercing X. Suitable for sample access and retrieval for 96 well plates for use with autosamplers and sequencers.

Dodávateľ: Thermo Fisher Scientific

Opis: SOLA™ fritless 96-well SPE plates provide greater reproducibility with cleaner, more consistent extracts. SOLA™ products provide unparalleled performance characteristics compared to conventional SPE, phospholipid removal and protein precipitation products.

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Dodávateľ: Thermo Fisher Scientific

Opis: This fritless SPE product range provides greater reproducibility with cleaner, more consistent extracts. SOLA™ products provide unparalleled performance characteristics compared to conventional SPE, phospholipid removal and protein precipitation products. This includes:

Katalógové číslo: (444-0932)

Dodávateľ: GRANT INSTRUMENTS

Opis: Kompaktní třepačka se snadnou obsluhou provádí důkladné protřepání vzorků ve zkumavkách o objemu do 50 ml. Použitelné při hybridizačních technikách, pro buněčný růst, extrakce, při prevenci srážení krve a homogenizaci biologických částí v roztoku. Spolehlivý motor reguluje rotaci dle požadavků v nastaveném rychlostním rozsahu.

Merná jednotka: 1 * 1 items

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Katalógové číslo: (0883-100ML)

Dodávateľ: VWR Chemicals

Opis: Phenol:Chloroform pH 6.7/8.0 is premixed with isoamyl alcohol (25:24:1). A phenol:chloroform mixture is ideal for the extraction of protein from DNA preparations. Packaged at pH 6.7, this product is accompanied by a separate alkaline buffer which allows the researcher to increase the pH to 8.0. Doubly distilled, high purity phenol packaged under nitrogen. Safer, easier alternative to crystalline phenol.

Merná jednotka: 1 * 100 mL

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Dodávateľ: INTERSCIENCE

Opis: BagMixer® are highly efficient laboratory blenders for solid sample preparation. With a sterile bag, they guarantee optimal bacterial extraction in less than 60 seconds and eliminate all risks of cross contamination.

Dodávateľ: Heidolph Instruments GmbH & Co.KG

Opis: Hei-VAP Expert Control rotary evaporators allow central control of all process parameters: Vacuum, cooling temperature, rotation and heating bath temperature. The units have separate knobs for quick access: Right for direct vacuum control, the left one for rotation has a lock function to prevent accidental adjustment

Katalógové číslo: (713-2277)

Dodávateľ: WTW

Opis: A wide choice of tests is available, for routine quantitative analysis in different applications, designed for use with WTW spectrophotometers and photometers. The test is automatically recognised by the laboratory instruments (via a barcoding system) and results are displayed in the appropriate units. Due to the different photometer optics, one test may yield different measuring ranges in different instruments; LED photometers may have smaller measuring ranges for the same test.

Merná jednotka: 1 * 180 Tests

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Dodávateľ: Avantor

Opis: J.T.Baker® Cell Lysis Solution Biotech Reagent is a cGMP pre-formulated and ready to use detergent optimized for the extraction and recovery of AAV particles from producer cell lines (HEK293 parental and suspension lines, SF9). J.T.Baker® Cell Lysis Solution is a proprietary blend of nonionic surfactants, free of octyl phenol ethoxylate, which demonstrates comparable performance industry standard detergents while addressing environmental concerns associated with REACH and downstream clearance concerns. Designed for Gene Therapy workflows, this formulation is easy to use and handle as it is ready-to-use, has low viscosity, does not require cold temperature shipping or storage, and is available in sizes to support processes from development to large scale commercial batches. Detail description provided in technical literature.

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Dodávateľ: Thermo Fisher Scientific

Opis: The QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe) technique is increasingly becoming the technique of choice for the extraction of pesticide residues in fruit, vegetables and other foods. The QuEChERS method offers the advantage of high recoveries, accurate results and high sample throughput, combined with the associated cost savings with low solvent and labour requirements. Yet the procedure is robust and rugged.

Dodávateľ: VARIAN

Opis: Bond Elut™ SAX is a strong anion exchange sorbent ideally suited for the extraction of compounds such as carboxylic acids, which may not retain effectively on weak anion exchange sorbents. The sorbent is supplied in the chloride counter ion form. You can modify the selectivity of the phase by replacing the chloride ion with other anions, such as acetate and hydroxide.

Katalógové číslo: (19000-50MG)

Dodávateľ: Merck

Opis: Monolinuron CRM may also be used as given below: Determination of 252 pesticides extracted from surface water samples by solid-phase extraction (SPE) using liquid chromatography quadrupole-orbitrap high-resolution tandem mass spectrometry. Extraction of 13 pesticides from four groundwater and three river water samples using silica-based MSU-1 mesoporous solid as a sorbent for their solid-phase extraction (SPE) followed by ultra-performance liquid chromatography-triple quadrupole-mass spectrometric (UHPLC- QqQ-MS/MS) determination. Development and validation of a UHPLC-diode array detection (DAD) method for simultaneous determination of urea and tebuthiuron herbicides in four fresh vegetable samples. Multi-residue analysis of 50 herbicides in 51 grain samples of soybean corn and wheat by ultra-performance liquid chromatography-electrospray ionisation-mass spectrometry (UPLC-ESI-MS). Extraction of 109 pesticide residues from different chemical classes from 345 tomato samples by modified QuEChERS method and their determination using liquid chromatography-tandem mass spectrometry (LC-MS/MS). Simultaneous analysis of 238 pesticides and 78 veterinary drugs in 80 bovine milk samples using ultra-fast liquid chromatography-tandem mass spectrometry (UFLC-MS/MS) and gas chromatography-tandem mass spectrometry (GC-MS/MS).

Merná jednotka: 1 * 50 mg

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Dodávateľ: DOEHLER GROUP

Opis: Selective liquid media for qualitative detection of beverage spoiling microorganisms. SSL Broth and OFS Agar are suitable for your analysis of:
• non-alcoholic beverages pH <4,5, including fruit juices
• beer, wine & milk mix beverages
• fruit juice concentrates
• beverage compounds
• beverage powders and extracts
• sugar
• rinsing water samples
• membrane filtered samples
Ready-to-use SSL Broth can be used to cultivate acid-tolerant microorganisms such as lactic acid bacteria, acetic acid bacteria, yeasts and moulds from non-alcoholic beverages. It allows the enrichment of even large sample volumes. SSL Broth can also be used for pre-enrichment with detection on OFS Agar. SSL Broth and OFS Agar offer the following user benefits:

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Katalógové číslo: (HACHLCK432)

Dodávateľ: HACH

Opis: The standard anionic surfactant method has several drawbacks:
*Multiple handling steps are time consuming and complicated.
*Large volumes of extraction solvents create a safety and environmental risk.
*The combination of lengthy handling time, glassware maintenance, and solvent disposal adds up to significant costs per test. A standardised cuvette-based extraction and photometric measurement system overcomes all these disadvantages to provide accurate, reproducible results.

Merná jednotka: 1 * 25 Tests

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