Bio-imaging mass spectrometry techniques reveal molecular details about complex systems

Understanding biology at the systems level is difficult, especially when studying complex specimens like tissue slices or communities of organisms in a biofilm. Scientists must be able to identify, quantify and locate the molecules present in the samples. At Georgia Tech, researchers from the C...

Waters SYNAPT HDMS and Xevo TQ MS Recognized for Mass Spectrometry Innovation by Industry Experts

Frost & Sullivan and Strategic Directions International Magazine Identify Waters Mass Spectrometers as Technology Leaders MILFORD, Mass., Aug. 19 /PRNewswire-FirstCall/ -- Waters Corporation (NYSE: WAT ) today announced that Waters(R) SYNAPT(TM) High Definition MS(TM) (HDMS(TM)) Sys...

Bruker Daltonics Showcasing Novel Proteomics Solutions Based on Mass Spectrometry at the 7th HUPO World Congress 2008

Bruker Daltonics today is showcasing several new high performance mass spectrometry products and applications for proteomics at the 7th HUPO World Congress 2008: AMSTERDAM, The Netherlands (Business Wire EON) August 17, 2008 -- maXis™ is the world's first high s...

Mass Spectrometry to Identify Viruses

Although mass spectrometry has been used to determine the chemical composition of materials for decades it had rarely been used to identify viruses// especially in complex environmental samples. Researchers at the Johns Hopkins Bloomberg School of Public Health successfully separated, puri...

Magnetic Resonance Spectrometry for speedy diagnosis of Brain disorders

Imaging modality has yet another discovery to its credit. Magnetic Resonance Spectrometry (MRS) as is it called is a safe, non-surgical method of identifying brain infections such as brain abscess, and an accurate// and rapid way of diagnosing meningitis. The new method will also help distinguish b...

New microchip technology performs 1,000 chemical reactions at once

...avid Geffen School of Medicine at UCLA, and a member of the California NanoSystems Institute at UCLA. Kym F. Faull, director of the Pasarow Mass spectrometry Lab at UCLA, helped the team with several challenges, including reducing the amount of chemicals needed for reactions on the chip, enhancing test sens...

spectrometry in Medical Technology

New Data Demonstrates 5-FU Personalized Chemotherapy Management (PCM(R)) Assay Provides Similar Performance to More Complicated Liquid Chromatography-Mass Spectrometry (LC-MS/MS)

BETHLEHEM, Pa., June 23 /PRNewswire/ -- A new blood test may make it easier for oncologists to accurately measure and personalize 5-fluorouracil (5-FU) dosing for patients undergoing continuous infusion chemotherapy regimens. Data from a multicenter trial showed that a nanoparticle-based immun...

University of Michigan Study Shows SEQUENOM's MassARRAY Technology Identifies HPV Infections Missed by Standard Hybridization Test

...M) HPV assay). Utilizing SEQUENOM's proprietary MassARRAY((R)) system that couples standard polymerase chain reaction (PCR) techniques with mass spectrometry (PCR-MS), study samples were simultaneously screened, genotyped and quantified for each of 13 HPV genotypes highly associated with cervical cancer. ...

EPA Approves XDS-CALUX(R) as Alternate Dioxin Test Method 4435

...or quantifying dioxin-like chemicals. The XDS-CALUX(R) bioassay costs are 40%-70% lower than the traditional High Resolution Gas Chromatography/Mass spectrometry (HR GC/MS) that was the old singular analysis standard. Xenobiotic Detection Systems Method 4435 provides an excellent screening tool to rapidly detec...

Ardea Announces Progress with HIV Non-Nucleoside Reverse Transcriptase Inhibitor Program

...nd were administered to healthy volunteers. Preliminary pharmacokinetic data from this study, produced by Vitalea Science, Inc. using Accelerator Mass spectrometry (AMS) technology, demonstrated that RDEA427 has a half-life of approximately 40 hours, which could permit once daily oral dosing. "The ability to us...

Vermillion's Biomarkers Prove Beneficial in Identifying Women With Ovarian Cancer and Detecting Early-Stage Disease

...Researchers at Vermillion and the University of Kentucky Chandler Medical Center used surface enhanced laser desorption ionization time-of-flight mass spectrometry (SELDI-TOF) to analyze ovarian cyst fluids and identify the underlying proteins that could serve as potentially useful biomarkers for ovarian cancer. ...

spectrometry in Medical Products

Lyphochek Whole Blood Metals Control

Features:...rption, Anodic Stripping Voltammetry (ASV), Inductively Coupled Plasma-Mass spectrometry (ICP-MS) and Isotope Dilution Mass spectrometry (IDMS) ...
Company:Bio-Rad Laboratories

spectrometry in Medical Definition

Hematopathology

... Clinical chemistry - Hematopathology - Transfusion medicine - Medical microbiology - Diagnostic immunology Enzyme assay - Mass spectrometry - Chromatography - Flow cytometry - Blood bank - Microbiological culture - Serology v • d • e Pathology :...

Pathology

... Clinical chemistry - Hematopathology - Transfusion medicine - Medical microbiology - Diagnostic immunology Enzyme assay - Mass spectrometry - Chromatography - Flow cytometry - Blood bank - Microbiological culture - Serology v • d • e Health sci...

spectrometry in Medical Dictionary

Strains

...imes occur in people who participate in ... Treatments for sprains and strains are similar and can be thought of as having two stages. ... ... spectrometry revealed that both strains expressed a non-sialylated outer core ... Consequently, not all C. jejuni strains isolated from the faeces of a GBS ......

Lipid

..., December 1999 ... We examined the effect of lipid -free apolipoprotein A-I (apoA-I) and apoA-II on ... Imaging of lipid species by MALDI mass spectrometry ... History of the JLR and Lipid Classification. Special Feature. Enzymology. Metabolism ... Large lipid droplets are also present in the cyto...

spectrometry in Biological News

Researchers use mass spectrometry to detect norovirus particles

Scientists have used mass spectrometry for decades to determine the chemical composition of samples but rarely has it been used to identify viruses, and never in complex environmental samples. Researchers at the Johns Hopkins Bloomberg School of Public Health recently demonstrated that proteomic...

DOE-funded research projects win 46 R&D 100 Awards for 2009

...hnologies to provide greater sensitivity and precise measurements from mass spectrometry instrumentation while requiring smaller samples. Mass spectrometry instrumentation is commonly used for environmental and health analyses, as ...

NIST issues human milk and blood serum SRMs for contaminant measurements

...he certificates for these SRMs were measured by NIST and the CDC using a number of different methods including gas and liquid chromatography with mass spectrometry detection. ...

New biomarker method could increase the number of diagnostic tests for cancer

...logy & Reproductive Sciences and Faculty Director of the Sandler-Moore Mass spectrometry (SMMS) Core Facility; Simon Allen, PhD, an Assistant Researcher in Departme...ultiple reaction monitoring (MRM) coupled with stable isotope dilution mass spectrometry (SID-MS), which is a technique used by protein scientists to measure the ab...

A urine test for appendicitis?

...tematic approach, performing a proteomics study using state-of-the are mass spectrometry (a technique that detects and quantifies proteins in a sample). Their two-p...s judged by histologic review of the appendix specimens. Although mass spectrometry isn't widely available clinically, urine LRG elevations were detected by im...

An easy way to find a needle in a haystack by removing the haystack

...echnique, called MAILD, is based on classical mass spectrometry (MALDI-TOF/MS) and enables researchers to measure ...cs, the invention is protected by patent. Mass spectrometry is an analytical technique used to elucidate the m...f chemical compounds. In the last two decades mass spectrometry found vast applications in biology, especially for...

spectrometry in Biological Technology

Genedata Launches Expressionist with Expanded Mass Spectrometry Biomarker Discovery Capabilities

Genedata Expressionist 5.2 with enhanced capabilities for Mass Spectrometry-based biomarker discovery will be demonstrated at the 57th ASMS Conference on Mass Spectrometry, May 31 - June 4, 2009, Booth# 133 at the Pennsylvania Convention Center. Philadelphia, PA (PRWEB)...

Four Independent Research Groups Present Data Generated by Pressure Cycling Technology (PCT) at the ASMS Conference on Mass Spectrometry and Allied Topics in Denver, CO

SOUTH EASTON, Mass., June 9 /PRNewswire-FirstCall/ -- Pressure BioSciences, Inc. (Nasdaq: PBIO ) ("PBI") today announced that scientists from Pacific Northwest National Laboratories (PNNL), the Harvard School of Public Health (HSPH), the Commonwealth of Virginia (CoVA) Laboratory, and the Foo...

Three Studies by Independent Scientists Highlighting Pressure Cycling Technology (PCT) to be Presented this Week at the British Mass Spectrometry Society's 29th Annual Meeting

WEST BRIDGEWATER, Mass., Sept. 10 /PRNewswire-FirstCall/ -- Pressure BioSciences, Inc. (Nasdaq: PBIO ) ("PBI") today announced that data highlighting the advantages of pressure cycling technology (PCT) in studies to (1) better understand the events surrounding stroke, (2) detect biomarkers of...

Stevens researchers provide new information about mass spectrometry

HOBOKEN, N.J. Fresh data on mass spectrometry are presented in the report Low-energy collision-induced fragmentation of negative ions derived from ortho-, meta-, and para-hydroxyphenyl carbaldehydes, ketones, and related compounds, produced by Professor Athula Attygalle and his colleagues in the ...

Small-Molecule Quantitation Using Automated Single-Shot Averaging MALDI-TOF Mass Spectrometry

Overview Traditionally, MALDI-TOF mass spectrometry has been used very little for quantitative studies. Analysts have usually assumed that potential differences in ionization efficiency between analyte and internal standards and an inherent heterogeneity of the sample spot wo...

Use of ZipTip Pipette Tips for Microscale Affinity Mass Spectrometry

Overview Affinity chromatography forms the basis of the separation and purification of a number of biological molecules. For example, antibodies may be purified based on their affinity for protein A, or a protein may be purified on the basis of its affinity for a monospecific...

spectrometry in Biological Products

SilverSNAP (R) Stain for Mass Spectrometry from Pierce Biotechnology, Inc.

Description: Introducing SilverSNAP Stain for Mass Spectrometry Applications In the age of the proteome, mass spectrometry (MS) has emerged as a powerful protein identification and characterization tool. Silver staining of 2-D gels is now an important intermediate step in a set of procedures that leads ultima...
Company:Pierce Biotechnology, Inc.

Mass Spectrometry Service using MALDI-TOF/TOF from Applied Biomics, Inc.

Description: Whether your protein is in solution or in a gel piece, we can identify it using MALDI-TOF/TOF mass spectrometry. Proteins will be digested to produce a mixture of peptides. The molecular weights (mass) of the peptides are determined by MALDI-TOF, and the amino acid sequences of the top 10 peaks (pe...
Company:Applied Biomics, Inc.

Imaging Mass Spectrometry for Small Molecule Localization from Protein Discovery, Inc.

Description: Small Molecule Localization in Early Drug Development with Imaging Mass Spectrometry Get essential drug compound localization data in early drug development using mass spectrometry. Protein Discoverys imaging mass spectrometry service maps unlabeled ions and aligns them with histological ima...
Company:Protein Discovery, Inc.

BioNumerics from Applied Maths

Description:...cterization of organisms including sequence data, microarrays, DNA fingerprints, 2-D protein gels, HPLC, VNTR, MLST, SNP, fatty acid profiles and mass spectrometry data....
Company:Applied Maths

Silencer Pre-designed siRNA, HPLC purified, annealed from Ambion

Description:...e siRNAs are of highest quality, all RNA oligonucleotides are assessed by MALDI-TOF (matrix-assisted laser desorption ionization time-of-flight) mass spectrometry and the purity of all HPLC and PAGE purified oligonucleotides by analytical HPLC. Ambion also analyzes each annealed siRNA by gel electrophoresis to c...
Company:Ambion

Silencer Pre-designed siRNA, standard purity from Ambion

Description:...e siRNAs are of highest quality, all RNA oligonucleotides are assessed by MALDI-TOF (matrix-assisted laser desorption ionization time-of-flight) mass spectrometry and the purity of all HPLC and PAGE purified oligonucleotides by analytical HPLC. Ambion also analyzes each annealed siRNA by gel electrophoresis to c...
Company:Ambion

spectrometry in Biological Definition

Absorption spectrum

...for identification of elements present in stars and other gaseous objects that cannot be measured directly. See also Fraunhofer lines spectrometry densitometry compare with emission spectrum External links Solar absorption spectrum ...

Bioinformatics

...rediction of gene regulation with data from mRNA microarrays or mass spectrometry . Making sense of the huge amounts of DNA data (pictured) pro... expression analysis Protein microarrays and high throughput (HT) mass spectrometry (MS) can provide a snapshot of the proteins present in a biological sample...

Bioinformatics

...rediction of gene regulation with data from mRNA microarrays or mass spectrometry . Making sense of the huge amounts of DNA data (pictured) pro... expression analysis Protein microarrays and high throughput (HT) mass spectrometry (MS) can provide a snapshot of the proteins present in a biological sample...

Gel electrophoresis

...usually performed for analytical purposes, but may be used as a preparative technique to partially purify molecules to use other methods such as mass spectrometry , PCR , cloning , DNA sequencing , or immuno-blotting for further characterization. The first part, " gel ", refers to the matrix used to separa...

Gel electrophoresis

...usually performed for analytical purposes, but may be used as a preparative technique to partially purify molecules to use other methods such as mass spectrometry , PCR , cloning , DNA sequencing , or immuno-blotting for further characterization. The first part, " gel ", refers to the matrix used to separa...

Proteomics

...dman degradation. Higher-throughput proteomic techniques are based on mass spectrometry , commonly peptide mass fingerprinting on simpler instruments, or de novo...he three-dimensional structure of peptides and proteins . Tandem mass spectrometry combined with reverse phase chromatography or 2-D electrophoresis is us...

spectrometry in Biological Dictionary

Mass spectrometry

Mass spectrometry (MS) is an analytical technique for the determination of the elemental composition of a sample or molecule. It is also used for elucidating the chemical structures of molecules, such as peptides and other... The mass recorded by a mass spectrometer can refer to differen...

Proteomics

...ram participants. ... A summary of the technology needed and used for the Genomics:GTL program. ... Current methods for proteomics based on mass spectrometry (MS) require large ... Addressing proteomics , electrophoresis, genomics and mass spectrometry. ... [ Each month the go- PROTEOMICS website pu...

Nucleolus

...es. ... The Nucleolus is probably the best studied sub-compartment of nucleus. ... Search NPD for protein localised to the nucleolus by mass spectrometry ... Britannica online encyclopedia article on nucleolus (biology), ...of large molecules. The nucleus controls and regulates the activities of...

Nucleoli

...acture the subunits ... Mammalian nuclei usually contain between 1-4 nucleoli . ... Search NPD for protein localised to the nucleolus by mass spectrometry ... Nucleoli - Definition of Nucleoli at Dictionary.com a free online dictionary ... Nucleoli - 3 dictionary results. nucleolus ... or see...