378 Results for: "Mass Spectrometry"

Supplier: Thermo Fisher Scientific

Thermo Scientific Pierce Dimethylformamide (DMF) is a sequencing-grade preparation with high purity and consistent absorptivity properties for use in HPLC and mass spectrometry methods.

Supplier: Merck

Simazine CRM may also be used as given below: Development and validation of an ultrasonic-assisted dispersive liquid-liquid microextraction (UA-DLLME) method for sample extraction followed by gas chromatography-mass spectrometry based determination of endocrine-disrupting herbicides in the river and seawater samples. Determination of triazine pesticide residues in samples of apples pears carrots potatoes tomatoes avocado cucumber spinach bananas and oranges by modified QuEChERS and solid-phase extraction (SPE) procedures followed by liquid chromatography-photodiode array (LC-DAD) analysis. Multi-residue analysis of 67 pesticides in olive oil olives and avocado samples by liquid chromatography-tandem mass spectrometry (LC-MS/MS) to evaluate various clean-up sorbents. Quantitation of 20 pesticides in eel and shrimp samples by a scheduled multiple reaction monitoring (sMRM) method and QuEChERS with EDTA for sample extraction and purification. Analysis of 35 micropollutants including pesticides in water samples by liquid chromatography-tandem mass spectrometry (LC-MS/MS) after their solid-phase extraction. Simultaneous quantification of 58 pharmaceuticals and personal care products (PPCPs) and pesticides in water samples by solvent-based de-emulsification dispersive liquid-liquid microextraction (SD-DLLME) combined with liquid chromatography-tandem mass spectrometry (LCMS/MS).

Supplier: G-Biosciences

Protein-OUT™ is a washing solution that cleans plastic and glassware used in the proteolytic digestion and peptide isolation for mass spectrometry analysis. The rinsing of plastic and glassware with Protein-OUT™ will remove interfering chemicals and peptides that can leach from the tube walls and interfere or suppress the mass spectrometry signal. In addition, rinsing with Protein-OUT™ removes inadvertent contamination with dust and keratin.

Supplier: Merck

Ecamsule (ECAM) has been used as a reference standard for observing the photo-stability and photo-sensitizing property of the ecamsule that forms a major ingredient in the production of sunscreen products by laser flash photolysis and steady-state HPLC coupled with mass spectrometry method.

Supplier: SIGMA ALDRICH MICROSCOPY

Methylene Violet 3RAX has been used as a reagent in a preparation of citrate methylene violet, which is used for staining yeast cells. It is also used as an internal standard in tandem mass spectrometry (MS/MS) for the quantification of methylene blue in blood sample.

Supplier: Merck

1,5-Diaminonaphthalene is used as an effective matrix in the analysis of IgG protein using top-down and middle-down mass spectrometry with multiple fragmentation techniques such as electron transfer dissociation (ETD) and matrix-assisted laser desorption ionization in-source decay (MALDI-ISD) method.

Supplier: Thermo Fisher Scientific

Pierce™ Graphite spin columns improve phosphopeptide analysis by efficiently binding hydrophilic peptides and efficiently removing urea, salts and other contaminants before mass spectrometry analysis.

Supplier: Thermo Fisher Scientific

These columns are ready-to-use centrifuge columns of porous C18 reverse-phase resin with excellent binding and recovery characteristics for peptide sample preparation for mass spectrometry and other methods.

Supplier: Thermo Fisher Scientific

The HeLa Protein Digest Standard is a highly validated mammalian protein digest that may be used as a quality control sample for mass spectrometry (MS) analysis of complex proteomic samples.

Supplier: Thermo Fisher Scientific

Thermo Scientific™ cell culture media for SILAC is optimised for use with stable isotope labeling with amino acids in cell culture (SILAC) to analyse protein expression by mass spectrometry (MS).

Supplier: G-Biosciences

Trypsin is a serine endopeptidase that specifically cleaves peptide bonds on the carboxy side of s-aminoethyl cysteine, arginine and lysine residues and typically there is little or no cleavage at arginyl-proline and lysyl-proline bonds. The distribution of these residues in proteins allows trypsin digestion to produce peptides that are readily identified by mass spectrometry.

Supplier: Thermo Fisher Scientific

The HiPPR™ Detergent Removal Spin Column Kit improves mass spectrometry results by efficiently removing detergents from 25 to 200 µl samples with low protein or peptide concentrations.

Supplier: Merck

Pentafluorophenylhydrazine may be used as a derivatizing agent in the determination of semi-volatile carbonyl compounds in air and human plasma samples, using high-resolution gas chromatography coupled with gas chromatography (HRGC-MS) and liquid chromatography atmospheric-pressure chemical-ionization mass spectrometry (LC-APCI-MS-MS), respectively.

Supplier: G-Biosciences

Following digestion of proteins with proteases, the addition of Pep-Extract™ rapidly elutes digested peptides in under 20 minutes. The eluted peptides can be used directly in mass spectrometry analysis without any additional clean up. Contains sufficient for 500 protein spots.

Supplier: Thermo Fisher Scientific

Thermo Scientific™ High Select HSA/Immunoglobulin Depletion Resin decreases the albumin and antibody components that are abundant in human plasma samples, helping prepare the samples for mass spectrometry or 1D or 2D electrophoresis.

Supplier: G-Biosciences

Trypsin is a serine endopeptidase that specifically cleaves peptide bonds on the carboxy side of s-aminoethyl cysteine, arginine and lysine residues and typically there is little or no cleavage at arginyl-proline and lysyl-proline bonds. The distribution of these residues in proteins allows trypsin digestion to produce peptides that are readily identified by mass spectrometry.

Supplier: Thermo Fisher Scientific

Thermo Scientific™ High Select Top14 Abundant Protein Depletion Resin decreases the abundant protein and antibody components of human plasma samples, helping prepare the samples for mass spectrometry or 1D or 2D electrophoresis.

Supplier: G-Biosciences

Detergents are essential for protein solubility during protein extraction and sample preparation, especially when working with hydrophobic proteins. The presence of high concentrations of detergents in protein samples can impair ELISA, IEF, protease digestion of proteins and suppress peptide ionisation when analysed by mass spectrometry.

Supplier: SIGMA ALDRICH MICROSCOPY

It may be used to prepare porphyrin based matrices for the detection of water soluble vitamins by matrix-assisted laser desorption/ionization (MALDI) mass spectrometry. It may be used to prepare 5,10,15,20-tetrakis (4-polyethyleneoxy)phenyl)) porphyrin. Nanoporous silica inserted with 2H-OHTPP imparts gas sensitivity, and it could be useful to detect NO2 by surface plasmon resonance.

Supplier: LONZA

SYPRO™ Ruby Protein Gel Stain is highly sensitive, simple to use fluorescent stain that can accurately quantitate protein expression levels, and is compatible with standard fluorescent visualization systems and downstream identification techniques such as mass spectrometry.

Supplier: Thermo Fisher Scientific

The Thermo Scientific™ Pierce™ MS-Compatible Magnetic IP Kit (Streptavidin) provides mass spectrometry-friendly reagents and an optimised protocol to enable highly effective and efficient immunoprecipitation and co-immunoprecipitation of target antigens upstream of LC-MS.

Supplier: WATERS

XTerra® MS C18 columns are general purpose, hybrid-based, reversed phase C18 columns that are designed to be compatible with mass spectrometry applications. These first generation columns provide superior pH stability compared to a silica based column.

Supplier: Thermo Fisher Scientific

Multi-Element QC-21 Check Standard Solution is used as a certified reference material or quality control check standard for inductively coupled plasma optical emission spectroscopy (ICP-OES). It is also used in inductively coupled plasma mass spectrometry (ICP-MS), and flame or furnace atomic absorption spectroscopy.

Supplier: Thermo Fisher Scientific

The Thermo Scientific™ Pierce™ MS-Compatible Magnetic IP Kit (Protein A/G) provides mass spectrometry-friendly reagents and an optimised protocol to enable highly effective and efficient immunoprecipitation and co-immunoprecipitation of target antigens upstream of LC-MS analysis.

Supplier: WATERS

XTerra® MS C8 columns are general purpose, hybrid-based, reversed phase C8 columns that are designed to be compatible with mass spectrometry applications. These first generation columns provide superior pH stability compared to a silica based column.

Supplier: G-Biosciences

These C18 spin columns are ready-to-use micro centrifuge columns for peptide clean up and concentration. The columns consist of porous C18 reverse-phase resin that has a particle size of ~15 µm and a pore size of 300 Å. The resin offers highly efficient binding and recovery of peptides and is ideal for mass spectrometry and other peptide related applications.

Supplier: Merck

The MultiScreen® deep well solvinert filter plate is intended for a wide range of applications including total drug analysis, bead cleavage (solid-phase combinatorial chemistry and peptide synthesis), and sample preparation before high-performance liquid chromatography (HPLC)/ultraviolet (UV) and liquid chromatography-tandem mass spectrometry (LC-MS/MS). This filter plate is fully automation compatible.

Supplier: LGC Standards PROMOCHEM

This standard solution is intended for use as a certified reference material and calibration standard for inductively coupled plasma optical emission spectroscopy (ICP-OES), inductively coupled plasma mass spectrometry (ICP-MS) or alternative techniques, such as and flame or furnace atomic absorption spectroscopy (AA or GFAA).

Supplier: G-Biosciences

FOCUS™ FASTsilver™ produces crystal clear backgrounds and maximal peptide recovery needed for critical analysis by mass spectrometry. Complete proteolytic digestion and recovery of peptides is required for optimal analysis, however silver ions in traditional silver staining kits inhibit proteolytic digestion. In addition, glutaraldehyde, a common sensitiser in silver stains, modifies peptide lysine residues preventing complete digestion and recovery.

Supplier: EPPENDORF

Engineered to minimise sample binding and elevate recovery, Eppendorf® Protein LoBind® tubes safeguard valuable proteins during processing. The cutting-edge LoBind® technology ensures optimal yields for Western blotting, mass spectrometry, and protein purification applications.