• The resulting emissive polymers were characterized with one-dimensional (1H) and two-dimensional (1H1H correlation spectroscopy) nuclear magnetic resonance and infrared spectroscopy, gel permeation chromatography, and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry, and the successful coordination of the iridium(III) centers to the 2,2-bipyridine macroligand was revealed. (tue.nl)
  • Analytical techniques, for example chromatography and mass spectrometry, along with various tools such as cloning, CRISPR/Cas, single-use equipment, machine learning [and] use of advanced sensors and automation have helped in the advancement of biopharma research," said Dr. Johannes Buyel , head of the department of Bioprocess Engineering at the Fraunhofer IME and associate professor at the RWTH Aachen University. (technologynetworks.com)
  • Among them, several firms announced their new and enhanced chromatography and spectroscopy systems for quality-control laboratories and production-floor analysis. (pharmtech.com)
  • The company has expanded its mass spectrometry and chromatography systems to include electron-transfer dissociation (ETD) and matrix-assisted laser desorption/ionization (MALDI) capabilities to its "LTW Orbitrap" hybrid series of mass spectrometers. (pharmtech.com)
  • The rapid development of liquid chro- matography and gas chromatography, coupled with mass spectrometry, has allowed the detection and characterization of many thousands of metabolites of plant origin. (sagepub.com)
  • How is DAPNe coupled to MS different from other direct-coupled surface sampling methods, such as desorption electrospray ionization (DESI), surface sampling probe electrospray ionization, and dielectric barrier discharge ionization source (DBDI)? (spectroscopyonline.com)
  • Mass Spectrometry 2019 conference designed in all aspects of application including electrospray ionization and mass spectrometry imaging . (massspectra.com)
  • The techniques available for composition determination of homopolymers and copolymers and other recent modern techniques such as X-ray photoelectron spectroscopy, atomic force microscopy, microthermal analysis and scanning electron microscopy and energy dispersive analysis using X-rays are also included. (chemtec.org)
  • Study of the interaction of sulphate-reducing bacteria exopolymers with iron using X-ray photoelectron spectroscopy and time-of-flight secondary ionisation mass spectrometry. (ouhsc.edu)
  • Other methods for characterization of polymers where end-groups are used are mass spectrometry and vibrational spectrometry, like infrared and raman spectroscopy. (wikipedia.org)
  • Infrared Spectroscopy - Vibrational energy - Freedom degrees - Electrical dipole moment - Linear and nonlinear molecules - Vibrational spectrum - Harmonic and inharmonic oscillator, classical and quantum treatment - Stretching and bending vibrations - Group vibrations - Qualitative and quantitative analysis - Fourier transform infrared spectroscopy and its comparison with dispersive spectroscopy - Instrumentation - NIR spectroscopy. (unict.it)
  • UV-Vis spectroscopy - Generality - Absorption and emission phenomena - Chromophores and auxochromes - Classification of the electronic transitions - Singlet and triplet states - Franck and Condon principle and its effect on vibrational-electronic spectra -- Qualitative and quantitative analysis - Influence of electronic structure, pH and solvent on the ʎ. (unict.it)
  • Structural analysis of phototransformed C-60 by vibrational and mass spectroscopy. (mpg.de)
  • The structural and functional properties compared with WT protein were investigated, respectively, by static light scattering (SLS), circular dichroism (CD), and fluorescence spectroscopy and by determining chaperone activity with the use of three substrates. (nih.gov)
  • Fluorescence spectroscopy - Photo-physics and photo-chemical processes - Excitation and emission spectra - Quantum yield - Relationship between concentration and fluorescence intensity - Comparison with UV spectroscopy - Instrumentation. (unict.it)
  • Discovery Proteomics and Absolute Protein Quantification Can Be Performed Simultaneously on an Orbitrap-Based Mass Spectrometer. (ncsu.edu)
  • Agilent Technologies announced five enhancements to its gas chromatograph (GC) and GC/mass spectrometer (GC-MS) platforms. (pharmtech.com)
  • Agilent also featured its new version of its triple quadrupole mass spectrometer. (pharmtech.com)
  • High-resolution ion mobility mass spectrometer (Waters Synapt G2-Si, equipped with both ESI and MALDI ionization sources) uses ESI-TOF in conjunction with highly efficient T-Wave ion mobility techniques, which is capable of separating organic molecules or coordination supramolecules on the basis of their size and shape, thereby allowing for better separation and determination of molecular weight for these analytes. (ms-labs.cn)
  • Here we can extract areas of interest between 200 nm and 1 µm and directly spray into the mass spectrometer for analysis. (spectroscopyonline.com)
  • Positive and negative secondary ions sputtered from the surface are analyzed in a mass spectrometer in regards to their mass-to-charge ratio. (ouhsc.edu)
  • Recently, nutrition sensing, through such pathways as the hex- owing to the rapid innovation of liquid/gas chro- okinase glucose sensor, the trehalose 6-phosphate sig- matography and high-sensitive mass spectrometry, glo- nal, and the Target of Rapamycin kinase pathway, to bal analyses, conducted across different plant species, regulate plant growth and development processes have identi﫿ed many thousands of metabolites (Obata (Smeekens et al. (sagepub.com)
  • Verbeck is using DAPNe, coupled to nanospray ionization mass spectrometry (MS), in a variety of applications, including forensic analyses. (spectroscopyonline.com)
  • and 1 H- 1 H nuclear Overhauser effect spectrometry NMR spectroscopies when applied. (unl.pt)
  • nuclear magnetic resonance (NMR) spectroscopy This reference is intended for students of applied chemistry and biochemistry who require information about biopolymer analysis and characterization. (eurekaselect.com)
  • Nuclear Magnetic Resonance (NMR) spectroscopy is a technique based on the paramagnetic relaxation (a phenomenon first proposed by the Dutch physicist, Cornelius J. Gorter, in the mid-20th) which was later invented by two American physicists, Felix Bloch and Edward Purcell. (ms-labs.cn)
  • 7 ] proposed a semi-automated approach for registering secondary ion mass spectrometry (SIMS) images against optical images. (biomedcentral.com)
  • Here, we review the recent research which integrates metabolomic with different omics methods, to comprehensively identify structural and regulatory genes of the primary and secondary metabolic pathways. (sagepub.com)
  • The article describes various factors pertinent to ionization methods, namely glow discharge mass spectrometry and secondary ion mass spectrometry. (asminternational.org)
  • Spectrometry, Mass, Secondary Ion" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (ouhsc.edu)
  • This graph shows the total number of publications written about "Spectrometry, Mass, Secondary Ion" by people in this website by year, and whether "Spectrometry, Mass, Secondary Ion" was a major or minor topic of these publications. (ouhsc.edu)
  • Below are the most recent publications written about "Spectrometry, Mass, Secondary Ion" by people in Profiles. (ouhsc.edu)
  • This article provides a detailed account of X-ray spectroscopy used for elemental identification and determination. (asminternational.org)
  • The synthesized MIPs were characterized by infrared spectroscopy, elemental analyzer and scanning electron microscope. (mipdatabase.com)
  • However, microscopy methods are labourious and require fresh material and technical skills. (nature.com)
  • Analyte molecules are embedded in an excess matrix of small organic molecules that show a high resonant absorption at the laser wavelength used. (rush.edu)
  • This reference presents reviews on the progress in different analytical and characterization methods of biopolymers. (eurekaselect.com)
  • Availability of new analytical methods would help more companies bring biotherapies to market more easily, simplifying a process that is currently far more complex than that for small molecules. (pharmamanufacturing.com)
  • The election of matrix-assisted laser desorption-ionization time-of-flight mass spectrometry (MALDI-TOF MS) as the first method for yeast identification was based on its accuracy and rapidity compared to alternative laboratory protocols for identification. (bvsalud.org)
  • Since traditional techniques are timeconsuming and laborious, this study was designed for rapid identification and clustering of foodborne pathogens isolated from various restaurants in Al-Qassim region, Kingdom of Saudi Arabia (KSA) using matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS). Sixty-nine bacterial and thirty-two fungal isolates isolated from 80 food samples were used in this study. (bvsalud.org)
  • Matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS) is a powerful biotyping tool increasingly used for high-throughput identification of clinical microbial isolates, however, in food fermentation research this approach is still not well established. (bvsalud.org)
  • The structures of 5, 6, and 7 were determined by (1)H NMR, FAB MS, MALDI-TOF MS (matrix assisted laser desorption ionization time-of-flight mass spectrometry), and UV-vis spectroscopy. (alk-inhibitors.com)
  • Inductively coupled plasma and thermal ionization MS provide atomic information, and direct analysis in real-time and matrix-assisted laser-desorption ionization MS are used to analyze molecular compositions. (asminternational.org)
  • Thermo Fisher reports that the ETD instrument is the only unit with both high-resolution and accurate mass for "definitive protein characterization," and the MALDI system "accelerates the analysis of whole tissue, biological, and polymer samples" with high resolution. (pharmtech.com)
  • The matrix absorbs the laser energy, thus inducing a soft disintegration of the sample-matrix mixture into free (gas phase) matrix and analyte molecules and molecular ions. (rush.edu)
  • Euro Mass Spectrometry 2019 is a unique opportunity to discuss best practices within the laboratory research and those in other industries if the people are doing related things getting a variety of viewpoints can help us see where we can change or improve our own ideas and processes. (massspectra.com)
  • Mass spectrometry can detect various proteins of different masses in a specimen. (msdmanuals.com)
  • Specific pathogens have unique proteins, and the relative mass and abundance of each protein can sometimes be used to identify a microorganism. (msdmanuals.com)
  • The dual collision cell arrangement enhances MS/MS possibilities by providing Collision Induced Dissociation (CID) fragmentation with high resolution and accurate mass measurements. (ms-labs.cn)
  • 1996. Fragmentation mechanisms of oligonucleotides in MALDI mass spectrometry . (wisc.edu)
  • Nucleic Acid-Based Identification Methods for Infectious Disease Nucleic acid-based methods detect organism-specific DNA or RNA sequences extracted from the microorganism. (msdmanuals.com)
  • Combing with scanning tunneling spectroscopy (STS), which can detect the electrical and magnetic properties of single molecules (such as molecular energy levels, spin states, ferromagnetic interactions, etc. (ms-labs.cn)
  • A mass spectrometric technique that is used for the analysis of large biomolecules. (rush.edu)
  • A mass-spectrometric technique that is used for microscopic chemical analysis. (ouhsc.edu)
  • This review firstly investigates the synthetic methodology of Pt NCs including template-assisted and template-free approaches and then introduces their unique optical, catalytic, and thermal properties. (hindawi.com)
  • NMR spectroscopy is one of the most important contemporary approaches for sample testing and analysis, and structural determination. (ms-labs.cn)
  • This conference brings together individuals who are interested in fields of mass spectrometry the Therapeutic approaches for mass spectrometry paving way to explore issues of mutual concern as well as exchange knowledge, share evidence and ideas, and generate solutions. (massspectra.com)
  • Introduction to instrumental analysis - Qualitative and quantitative analysis - Sampling - Sensitivity and detection limits - Dynamic range - Noise and signal to noise ratio - Relationship between instrumental measures and the concentration: calibration by means of standard, internal standard and standard additions methods. (unict.it)
  • Synthesis, Optical Properties, and Quantitative Analysis with HPLC and MALDI-TOF Mass Spectrometry. (mpg.de)
  • Quantitative analysis of broad molecular weight distributions obtained by matrix-assisted laser desorption ionisation time-of-flight mass spectrometry. (mpg.de)
  • Our validation involves a large variety of samples obtained from colon, bladder, and lung tissue on three different types of microscopes, and demonstrates that our proposed method works fully automated and highly robust in different constellations of microscopes involving diverse types of tissue samples. (biomedcentral.com)
  • Herein, we reported a novel method to display the in situ spatial distribution of label-free monodispersed type III rotaxane dendrimers (RDs) G1 (first generation, size ∼1.5 nm) and G2 (second generation, size ∼5 nm) that were explored as potential drug vehicles in spleen tissue by using matrix-assisted laser desorption/ionization imaging mass spectrometry (MALDI-MSI). (edu.hk)
  • MALDI is a soft ionization technique that mainly produces the molecular ion peaks or free radical ion peaks corresponding to the analytes. (ms-labs.cn)
  • This technique is beneficial in analyzing interesting chemistry with greatly reduced matrix effects, essentially reducing the background of peaks that are of no interest to the user. (spectroscopyonline.com)
  • X-ray spectroscopy is generally accepted as the most useful ancillary technique that can be added to any scanning electron microscope (SEM), even to the point of being considered a necessity by most operators. (asminternational.org)
  • The 2005 Nobel Prize in Chemistry was shared by Yves Chauvin, Robert H. Grubbs and Richard R. Schrock, for the development of the metathesis method in organic synthesis ( 3 ). (matthey.com)
  • Method 2.12 Determination of Between 0.002% and 75% Organic Nitrogen in Polymers. (chemtec.org)
  • The presented results strengthen the need for further expansion of the mass spectra database to broaden its microbiological application. (bvsalud.org)
  • As a result, the resulting mass spectra are usually simple and thus easy to analyze. (ms-labs.cn)
  • Another indirect method for the estimation of mosquito age is the morphological determination of ovariole dilatation to distinguish whether a female mosquito is nulliparous (has not yet laid eggs), and therefore likely to be young, or parous (has laid eggs), and therefore older 7 . (nature.com)
  • STM has become an effective method for molecular structure determination, understanding of precise reaction mechanisms and single-molecule manipulation. (ms-labs.cn)
  • Method 1.2 Determination of Traces of Arsenic in Acrylic Fibres Containing Antimony Trioxide Fire Retardant Agent. (chemtec.org)
  • Method 1.3 Determination of Vanadium Catalyst Residues in Ethylene-propylene Rubber. (chemtec.org)
  • Method 2.1 Determination of Chlorine in Polymers Containing Chloride and Sulfur and/or Phosphorus and/or Fluorine. (chemtec.org)
  • Method 2.2 Determination of Chlorine in Chlorobutyl and Other Chlorine Containing Polymers. (chemtec.org)
  • Method 2.3 Determination of Up to 80% Chlorine, Bromine and Iodine in Polymers. (chemtec.org)
  • Method 2.4 Determination of Fluorine in Fluorinated Polymers. (chemtec.org)
  • Method 2.5 Determination of Traces of Chlorine in Polyalkenes and Polyalkene Copolymers. (chemtec.org)
  • Method 2.6 Determination of Macro-amounts of Sulfur in Polymers. (chemtec.org)
  • Method 2.7 Determination of Sulfur in Polymers. (chemtec.org)
  • Method 2.9 Micro Determination of Phosphorus in Polymers. (chemtec.org)
  • Method 2.10 Determination of Low Levels of Phosphorus in Polymers. (chemtec.org)
  • Method 2.11 Determination of 2-13% Phosphorus in Polymers. (chemtec.org)
  • Comparison of Different Methods for the Determination of the Molecular Mass and Molecular Mass Distribution of Poly(ethylmethylsiloxane). (mpg.de)
  • High-resolution serum proteomic profiling of Alzheimer disease samples reveals disease-specific, carrier-protein-bound mass signatures. (rush.edu)
  • Each type of polymerization (free radical, condensation or etc.) has end groups that are typical for the polymerization, and knowledge of these can help to identify the type of polymerization method used to form the polymer. (wikipedia.org)
  • these different methods are able to produce a vast array of different polymer structures, which can be tailored to the application in question. (wikipedia.org)
  • Functionalised titanate nanotubes (TiNTs) were incorporated to poly(5,5-bisbenzimidazole-2,2-diyl-1,3-phenylene) (PBI) or poly(2,6-dimethyl-1,4-phenylene oxide) (PPO) for improving the interfacial compatibility between the polymer matrix and inorganic material and for altering the gas separation performance of the neat polymer membranes. (springer.com)
  • of PDA-functionalised TiNTs (PDA-TiNTs) were dispersed to each type of polymer matrix to create so-called mixed matrix membranes (MMMs). (springer.com)
  • The goal of such so-called mixed matrix membranes (MMMs) is to achieve a system with more useful structural or functional properties unattainable by any of the constituent itself which may help to overcome the efficiency-productivity trade-off of neat polymer materials [ 14 ]. (springer.com)
  • Studies by Kim and his group demonstrated that the permeabilities of O 2 , N 2 , and CH 4 increased proportionally to the amount of open-ended CNTs in the polymer matrix [ 23 ]. (springer.com)
  • Why does matrix-assisted laser desorption/ionization time-of-flight mass spectrometry give incorrect results for broad polymer distributions? (mpg.de)
  • This is followed by information on the operating principles and applications of detectors for x-ray spectroscopy, namely energy-dispersive spectrometers, wavelength-dispersive spectrometers, and handheld x-ray fluorescence systems. (asminternational.org)
  • 100 x 10(3)/mu l) were investigated for the presence of H. pylori infection and its eradication GW-572016 Protein Tyrosine Kinase inhibitor by H pylori stool antigen (HpSA) enzyme immunoassay method (EIA). (alk-inhibitors.com)
  • abstract = "A set of novel greenish-yellow-, yellow-, and orange-light-emitting polymeric iridium(III) complexes were synthesized with the bridge-splitting method. (tue.nl)
  • In the first part, information about the peptide synthesis was given in a very simple and readable format under the title of solid-phase peptide synthesis including a brief history, solid supports, linkers, protecting groups, and analysis method sections. (intechopen.com)
  • Readers will find useful information about combinations of complex biopolymer analysis such as chromatographic or membrane based fractionation procedures combined with multiple detectors on line (multi-angle laser light scattering or MALLS). (eurekaselect.com)
  • Beer law and its deviations (chemical and instrumental) - Photometric error - Applications: analysis of mixture and criteria of the ʎ choice, photometric titrations, Job method. (unict.it)
  • The resolution of extraction is on a much smaller scale, 200 nm-1 um, which eclipses the spatial resolution of DESI, direct analysis in real time (DART), matrix-assisted laser desorption-ionization (MALDI) imaging, and the like. (spectroscopyonline.com)
  • The article ends with a discussion on the applications of x-ray spectroscopy in failure analysis. (asminternational.org)
  • This MIP monolith was used for desalting and enrichment of CCK4, CCK5 and CCK8 from human cerebrospinal fluid prior to matrix-assisted laser desorption/ionization time-of-flight mass spectrometry analysis, and the results show that this MIP monolith can be a useful tool for effective purification and highly selective enrichment of multiple homologous CCK neuropeptides in cerebrospinal fluid simultaneously. (mipdatabase.com)
  • However, this method is limited because it, unlike some nucleic acid-based methods, is not readily deployable in the field. (msdmanuals.com)
  • A real method provides a quite possibly brand-new theory for excellent within vitro diagnosis, supporting the construction of a new center HBV medical diagnosis program with high exactness and generalization. (g418inhibitor.com)
  • To predict Anopheles drivers of malaria transmission, such as mosquito age, blood feeding and Plasmodium infection, we evaluated artificial neural networks (ANNs) coupled to matrix-assisted laser desorption ionization-time of flight (MALDI-TOF) mass spectrometry (MS) and analysed the impact on the proteome of laboratory-reared Anopheles stephensi mosquitoes. (nature.com)
  • The mutations were confirmed by DNA sequencing and matrix-assisted desorption ionization-time of flight (MALDI-TOF) mass spectrometry. (nih.gov)
  • Currently, a form of mass spectrometry called matrix-assisted laser desorption ionization-time of flight (MALDI-TOF) is being used to identify bacteria (including mycobacteria), yeasts, molds, and potentially viruses. (msdmanuals.com)
  • The end groups that are found on polymers formed through free radical polymerization are a result from the initiators and termination method used. (wikipedia.org)
  • They include high-molecular mass drugs comprising polymers of nucleotides, i.e. (technologynetworks.com)