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Chemistry: Analytical And Immunological Testing > Peptide, Protein Or Amino Acid Peptide, Protein Or Amino AcidPeptide, Protein Or Amino Acid patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.04/12/07 - 20070082402 - Device and process for the quantitative evaluation of the polypeptides and markers contained in a sample of body fluid for recognizing pathological conditions Devices and processes for the quantitative evaluation of the polypeptides contained in a sample of body fluid and markers for recognizing pathological conditions are described. The polypeptides are compared with reference values stored in a data base. These reference values are stored as data records of polypeptides relevant to the ... 04/05/07 - 20070077659 - Biochemical marker for diagnosing a leukodystrophy A biochemical marker for the diagnosis of a central nervous system leukodystrophic genetic disorder, e.g., Childhood Onset Ataxia and Central Nervous System Hypomyelination (CACH)/Vanishing White Matter Disease (VWM) has been discovered herein. Such a marker has been found in the cerebrospinal fluid (CSF) of such patients. A two dimensional gel ... 03/29/07 - 20070072304 - System and method for identifying biological growth media A system and method for encoding and then identifying a growth media from among a plurality of different growth media. A method is disclosed that includes: providing a set of tagging agents that are distinct from each of the different growth media; adding to each different growth media a unique ... 03/29/07 - 20070072303 - Method of chromatographic analysis of a protein solution An improved method of chromatographic analysis of protein samples is disclosed in which a Pluronic surfactant is used. ... 03/22/07 - 20070065948 - Use of antibody-surrogate antigen systems for detection of analytes Compositions, methods and kits for labeling proteins and uses in reporter systems for detecting, quantifying and/or characterizing analytes. ... 03/15/07 - 20070059841 - Electrochemiluminescence from acridan compounds Methods are disclosed for producing electrochemiluminescence by electrochemically oxidizing an acridan compound at an electrode in the presence of a peroxide. Maintaining a sufficiently positive potential results in continuous oxidation of the acridan compound to an acridinium compound which reacts with peroxide to produce the luminescence. Light emission can be ... 03/08/07 - 20070054408 - Microfabricated two-pin system for biomolecule crystallization A two-pin liquid handling system for crystallizing biomolecules comprises a pair of interacting pins for holding a droplet of liquid therebetween. Each pin includes a tip spaced predetermined distance from the other pin to define a sample acquisition region. The two-pin liquid handling system includes a temperature and humidity control ... 03/08/07 - 20070054407 - Mass spectrometric analysis of ligand conjugated magnetic nanoparticles The present invention provides methods, compositions, and systems for mass spectrometric analysis of magnetic nanoparticles displaying ligands on their surface. For example, the present invention provides methods of screening a sample for the presence of at least one analyte using ligand conjugated magnetic nanoparticles, magnetic separation, and mass spectrometric analysis. ... 02/22/07 - 20070042497 - Diagnostic methods for determining susceptibility to convulsive conditions The present invention exploits the discovery that amounts of uracil and thymine metabolites, especially β-aminoisobutyric acid, in various bodily fluids, especially urine, are correlated with the occurrence of epilepsy when compared to matched control subjects. Analytical and diagnostic protocols, including a novel high performance liquid chromatography system, for use in ... 02/22/07 - 20070042496 - Method for acquiring information of a biochip using time of flight secondary ion mass spectrometry and an apparatus for acquiring information for the application thereof A measurement method is provided, which enables to obtain a two-dimensional image with better quantitative-ability by suppressing the influence of the charge-up, when the two-dimensional secondary ion image is obtained for a biological material fixed on a substrate having a high resistivity by utilizing a TOF-SIMS method in a certain ... 02/08/07 - 20070031973 - Triazine derivatives as universal peptide isotope tag reagents (u-pit) Compounds, compositions, methods for sequencing proteins and peptides, and methods for identifying proteins and peptides in a mixture, are disclosed. Compounds of formula A-B—C wherein A is a nucleophilic reactive group, B is a detectable moiety capable of being isotopically labeled, and C is a charge replacement group, are used ... 02/01/07 - 20070026528 - Method for screening crystallization conditions in solution crystal growth A method of screening protein crystal growth conditions with picogram to microgram amounts of protein in picoliter or nanoliter volumes is provided. A preferred method comprises a microarray with a plurality of micro-chambers in the microarray. A protein solution is placed into the micro-chambers by an automated dispensing mechanism. The ... 02/01/07 - 20070026527 - Means for detecting pathological transformation of the app protein and their uses A method of intra-articular drug delivery may include selecting an attachment zone in a synovial joint; affixing a drug release device in the attachment zone, the drug release device comprising a base affixable in the attachment zone, a sustained-release drug carrier, and a drug, the device positioned so that the ... 01/04/07 - 20070004044 - Apparatus and method for analyzing a metabolite profile An apparatus and method analyzes a metabolic profile in a biological sample. The apparatus includes an input unit for inputting the drugs and/or metabolites to be screened; a controlling unit for determining a parameter set for metabolites preparation and for mass spectrometry analysis depending on the input of the kind ... 12/21/06 - 20060286673 - Method for analysis of compounds with amino group and analytical reagent therefor The present invention provides a method for the analysis of a compound with amino group (e.g., an amino acid or peptide) contained in a sample and convenient manner with a high sensitivity. The compound with amino group in a sample containing the compound with amino group is labeled with a ... 12/21/06 - 20060286672 - Misfolded protein sensor method A catalytic conformational sensor method for detecting abnormal proteins and proteinaceous particles. The method is based on the interaction of a peptide fragment or probe with an abnormal proteinaceous particle. The interaction catalyzes transformation of the probe to a predominately beta sheet conformation and allows the probe to bind to ... 12/07/06 - 20060275910 - Misfolded protein sensor method in body fluids A catalytic conformational sensor method for detecting abnormal proteins and proteinaceous particles. The method is based on the interaction of a peptide fragment or probe with an abnormal proteinaceous particle. The interaction catalyzes transformation of the probe to a predominately beta sheet conformation and allows the probe to bind to ... 12/07/06 - 20060275909 - Nutrition formulations and methods of providing nutrition formulations Nutritional compositions such as total parenteral nutrition (TPN) compositions and processes of preparing same are disclosed. The advantage of the present invention lies in its ability to tailor TPN composition to the needs of each individual patient. Various components of the TPN composition may be increased, lowered, or removed based ... 11/30/06 - 20060270051 - Protein detection system A system for detecting protein in mammalian urine is disclosed herein. Phloxine B buffered between pH 2-2.5 undergoes a color change from colorless to red in the presence of protein. Disclosed herein are animal litter compositions and additives comprising Phloxine B and a protein-sequestering agent buffered at a pH below ... 11/23/06 - 20060263890 - Electromagnetic probe device The invention is an electromagnetic probe used in conjunction with a ferrofluid containng M particles. The electromagnetic probe is used to steer M-particles to a desired location, or use the M particles for mixing the ferrofluid. The probe can be used in conjunction with a microscope, a micromanipulator, a catheter ... 11/02/06 - 20060246595 - Method for using an all solid-state fluorometer in monitoring and controlling chemicals in water A method for monitoring and controlling the concentration of chemicals added to and present in water systems via the use of a solid state fluorometer. Biological materials that exist in water systems are monitored and controlled through the use of a solid state fluorometer. ... 10/26/06 - 20060240562 - Cleavable surfactants and methods of use thereof Cleavable compositions and methods of use especially in MALDI MS analysis of hydrophobic proteins. ... 10/26/06 - 20060240561 - Biomarkers for diagnosing alzheimer's disease A method for assessing the state of Alzheimer's disease in patients is disclosed. A method for monitoring the progression of Alzheimer's disease in patients is also disclosed. The method applies detection of specific peptide markers, e.g., using mass spectrometric analysis. ... 10/19/06 - 20060234385 - Polyglutamine repeat sequences Several neurodegenerative diseases result from the aggregation of polyglutamine repeat proteins into insoluble neuronal intranuclear inclusions. The invention provides methods with which to study the processes of these diseases, including methods for solubilizing polypeptides containing a polyglutamine repeat sequence, for storing these polyglutamine polypeptides and inhibit their spontaneous aggregation, for ... 10/12/06 - 20060228805 - Method of measuring protein solubility, process for producing crystal and apparatus therefor Efficient measuring of protein solubility with the use of a precipitating agent as crystallization parameter; and production of a high-quality protein crystal with the use of a solubility curve obtained by the measuring. Protein crystal is disposed, and the surrounding thereof is filled with a protein solution. Not only is ... 10/05/06 - 20060223188 - Free thyroxine and free triiodothyronine analysis by mass spectrometry Methods, systems and kits for the simultaneous or sequential analysis of one or more hormones by mass spectrometry are disclosed. The methods require minimal sample size and minimal preparation time. The methods comprise ionizing the hormones and analyzing the hormones by mass spectrometry. In addition, methods, systems and kits for ... 09/07/06 - 20060199268 - Method for assessing arteriosclerosis and diabetic nephropathy A method for assessing arteriosclerosis comprising measuring the serotonin level in whole blood, serum or platelet-rich plasma and rating the serotonin level on such a scale that the lower it is, the more serious the arteriosclerosis is. ... 08/31/06 - 20060194328 - Stable isotope-labeled aromatic amino acids, method for incorporating the same in target protein and method for nmr-structural analysis of proteins The present invention herein provides, for instance, a stable isotope-labeled phenylalanine wherein a carbon atom of the phenyl group linked to an amino acid residue is 13C, 2 to 4 carbon atoms of the remaining 5 carbon atoms constituting the phenyl group are 12C atoms to which deuterium atoms are ... 08/31/06 - 20060194327 - On-chip magnetic particle sensor with improved snr A device and method is disclosed for the detection or determination of the presence of magnetic particles (15), such as for example, but not limited to, magnetic tianoparticles. In particular it relates to an integrated or on-chip magnetic sensor element (11) for the detection of magnetic particles. The device and ... 08/17/06 - 20060183235 - Information acquisition method, information acquisition apparatus and disease diagnosis method An information acquisition method for acquiring information on a target object, that includes a step of promoting ionization of the target object using a substance for promoting ionization of the target object to cause the target object to emit, and a step of acquiring information on the mass of the ... 08/10/06 - 20060177938 - Method for analyzing protein and protein analysis reagent to be used therein The present invention provides a method for analyzing protein using a Biuret reaction, which can prevent coagulation of protein and an increase of a viscosity of a reaction liquid caused thereby, even when using a sample including protein with a high concentration. A sample including protein is adjusted to be ... 08/03/06 - 20060172430 - Identification and characterization of protein fragments A method of preparing a first set of candidate fragments from a sample protein fragment and a protein sequence, comprises selecting a first candidate sequence comprising a terminal amino acid of the protein sequence; generating a further candidate sequence from each candidate sequence, except a last candidate sequence; and including ... 07/27/06 - 20060166368 - Coumarin-based cyanine dyes for non-specific protein binding Protein dyes whose molecular structure is that of a coumarin moiety coupled to a quaternary ammonium heterocycle through a vinyl or polyvinyl linkage demonstrate the ability to associate with proteins in a non-covalent, non-specific manner at low pH, where the associated form displays a significantly higher fluorescence emission than the ... 07/27/06 - 20060166367 - Protein assay method and test device A test device for detecting the presence of protein or other reducing compound wherein a bicinchoninic acid or salt composition is in a sampling swab (27) on a sampling wand (17) is separate from a dried cupric salt on a disc (48) in an essentially transparent well (45). The reaction ... 07/20/06 - 20060160235 - Separation of denatured proteins in free solution The present invention relates generally to the separation of proteins in free solution using electrophoresis. The invention provides gel-free methods of separating proteins that involve the use of a mixture of alkyl sulfates of different carbon chain lengths. ... 07/20/06 - 20060160234 - Methods for assessing polypeptide array quality The invention provides a method of evaluating a feature on a polypeptide array. In general, the method involves reading a polypeptide array under intrinsic fluorescence-detecting conditions to produce data and assessing the data to evaluate the the feature. The invention finds use in a variety of medical and research applications. ... 07/20/06 - 20060160233 - Ig heavy chain, ig kappa, ig lambda biopolymer markers predictive of alzheimers disease The instant invention involves the use of a combination of preparatory steps in conjunction with mass spectroscopy and time-of-flight detection procedures to maximize the diversity of biopolymers which are verifiable within a particular sample. The cohort of biopolymers verified within such a sample is then viewed with reference to their ... 07/20/06 - 20060160232 - Complement c3 precursor biopolymer markers predictive of type ii diabetes The instant invention involves the use of a combination of preparatory steps in conjunction with mass spectroscopy and time-of-flight detection procedures to maximize the diversity of biopolymers which are verifiable within a particular sample. The cohort of biopolymers verified within such a sample is then viewed with reference to their ... 07/13/06 - 20060154375 - Vaginal discharge evaluation kit A self-triage device intended for use by consumers in detecting possible yeast infections is described. The invention comprises a modified tampon wherein means for controlling the distance that the absorbent cotton member is inserted into the vagina are included. The tampon is then contacted with a pH indicating device to ... 07/06/06 - 20060148090 - Metal chelating compositions for protein purification, detection or binding Z is —COOH, —H, —SO3H, —PO3H2, —N(J)2, or —P(J)2, preferably, —COOH; and i is an integer from 0 to 4, preferably 1 or 2. ... 06/29/06 - 20060141631 - Quantitation of biological molecules Methods and apparatus, including computer program products, for quantifying peptides in a peptide mixture. A peptide mixture containing a plurality of peptides is received. One or more peptides are separated from the peptide mixture over a period of time. One or more of the peptides separated at a particular time ... 06/08/06 - 20060121619 - Protein biomarkers and therapeutic targets in an animal model for amyotrophic lateral sclerosis The invention provides a method for determining the onset and/or progression of ALS in an animal. The method comprises (a) obtaining a sample from the animal, (b) analyzing the proteins in the sample by mass spectroscopy, and (c) determining a mass spectral profile for the sample. The invention also provides ... 06/08/06 - 20060121618 - Method and system for identifying polypeptides The present teachings provide for identification of peptides using small sequence tags to focus computational resources on searching regions of a protein database that are the most likely to yield correct identifications. They allow for the incorporation of modifications and in doing so focuses the search to peptides with a ... 05/25/06 - 20060110833 - Method and apparatus for coupling an analyte supply to an electrodynamic droplet processor This application relates to a method and apparatus for coupling an analyte supply, such as a biomolecule separator, to an electrodynamic droplet processor. In one embodiment the biomolecule separator is a capillary liquid chromatography column and the droplet processor includes an droplet generator and an electrodynamic balance. The biomolecule separator ... 05/25/06 - 20060110832 - Methods and systems for discovering protein modifications and mutations Accordingly, systems and methods for protein identification are provided. The present teaching provide for a system with one protein identification methodology based on one method and a second protein identification methodology based on a second protein identification methodology to interact and increase confidence in protein identification. Various embodiments employ protein ... 05/18/06 - 20060105463 - Distinction method for the catch capacity of proteins A distinction method is provided to distinguish catch capacity where myosin, a protein that constitutes muscles, or filaments containing myosin bind to actin due to the contribution of twitchin that constitutes thick filaments along with myosin, while certain tension is sustained. The catch capacity is distinguished by using synthetic thick ... 05/11/06 - 20060099713 - Targeted-assisted iterative screening (tais):a novel screening format for large molecular repertoires This invention provides a new in vitro screening method for the detection of protein-protein and other interactions. The method has been developed and applied to a commercial cDNA library to search for novel protein-protein interactions. PDZ, WW and SH3 domains from PSD95, Nedd4, Src, Abl and Crk proteins were used ... 05/04/06 - 20060094121 - Method for analysing amino acids, peptides and proteins The invention provides methods, reagents and kits for amino acid, peptide and protein identification, differential quantitation and for the analysis of post translational modification and cross-linking status, comprising: derivatizing a mixture of amino acids peptides or proteins, to form at least one amino acid peptide or protein containing a fixed-charge ... 04/06/06 - 20060073602 - Method of staining proteins using alta The present invention relates to a method of staining proteins in gels and membranes using stain alta. ... 03/23/06 - 20060063269 - Fluorescent isotope tags and their method of use The present invention provides novel reactive fluorescent compounds that incorporate stable isotopic (deuterium, 13-carbon, 15-nitrogen, 18-oxygen) substitutions. The invention includes the use of these compounds, in combination with non-isotopically substituted analogs, for the purification, identification and relative quantification of proteins, peptides, saccharides, metabolites, and other biologically important compounds by combining ... 03/23/06 - 20060063268 - Method and article for analyte concentration free of intermediate transfer The present disclosure provides a method of concentrating an analyte directly into a test receptacle, the method comprising: placing a liquid containing an analyte into a first receptacle, the first receptacle being in direct fluid communication with a second test receptacle; concentrating the analyte into the second test receptacle; and ... 03/16/06 - 20060057731 - Method for analyzing c-terminal amono acid sequence of peptide The present invention provides, as for a method for analyzing the C-terminal amino acid sequence of a peptide by using a reaction for successively releasing the C-terminal amino acids of the peptide, which method can suppress, when successively releasing the C-terminal amino acids of a peptide of long amino acid ... 03/16/06 - 20060057730 - Method for protein determination, indicator for protein determination, and test piece for protein determination The present invention relates to a technique for assaying a protein. With the present invention, a compound having a chemical structure expressed by the following Chemical Formula (1) is used as a protein assay indicator. In Chemical Formula (1), X1 is a halogen, a nitro group, or a nitroso group; ... 03/09/06 - 20060051873 - Assessment of cardiovascular risk The instant invention is drawn to methods and compositions useful for the assessment of cardiovascular risk in a mammal. The methods utilize biomarkers including prostanoid metabolites and isoprostanes as sensitive and stable markers of cardiovascular risk. The methods are particularly useful in a mammal that is contemplating undergoing coxib therapy, ... 03/09/06 - 20060051872 - Synthesis and use of inorganic polymer sensor for detecting nitroaromatic compounds A dehydrocoupling polycondensation method for synthesizing polymetalloles including obtaining a dihydrometallole that includes silicon or germanium atoms, designating a reducing agent for preparation of dihydrometallole monomer, measuring a predetermined molar percentage of the reducing agent corresponding to a molar amount of the dihydrometallole, selecting a catalyst, and reacting the catalyst ... 03/02/06 - 20060046303 - Method of eliminating phosphate group of peptide and method of analyzing peptide A method for eliminating a phosphate group of a peptide, the method comprising the use of a reagent containing at least one selected from the group consisting of hydrogen fluoride, hydrofluoric acid, and a hydrogen fluoride-containing compound, and a method for peptide analysis that uses such a method. As the ... 02/09/06 - 20060030053 - Methods and systems for protein and peptide evidence assembly The present teachings provide methods and systems for the identification of proteins via peptide analysis. Some embodiments analyze proteins identified by analysis techniques such as mass spectrometry and build protein groups out of results. Groups can be formed by collecting like proteins and examining the group so as to identify ... 02/09/06 - 20060030052 - Method of analyzing c-terminal amino acid sequence of peptide The present invention provides, as a method of analyzing the C-terminal amino acid sequence of a peptide with use of reaction technique for successively releasing the C-terminal amino acids, in which undesirable side reactions, such as cleavage of a peptide bond at the middle of the peptide, can be prevented ... 01/26/06 - 20060019399 - Devices and methods for correlated analysis of multiple protein or peptide samples Disclosed is a system for performing multiple analyses of protein and/or peptide samples and correlating the results of the analyses. The system comprises a sample inlet, a splitter means, at least two sample delivery capillaries, at least two sample deposition tools, and at least two sample collectors, wherein said splitter ... 01/19/06 - 20060014294 - Serum marker for measuring liver fibrosis The invention provides methods and kits to detect liver fibrosis or a change in the gradation of liver fibrosis in mammals. The diagnostic marker is based on the profiling and identification of diagnostic carbohydrates present in a body fluid such as blood serum. ... 01/19/06 - 20060014293 - Lock mass ions for use with derivatized peptides for de novo sequencing using tandem mass spectrometry Multiple derivatization by chemical reactions of analytes for mass spectrometry is disclosed. The derivatizations enhance the use of MS techniques for analyzing protein samples, particularly when the sequence of a polypeptide is determined by tandem MS/MS. Accurate mass analysis techniques are described for use in sequencing polypeptides, together with the ... 01/05/06 - 20060003460 - Method for comparing proteomes The present invention relates to an improved method for comparing two or more samples containing proteins. This invention consists in first correlating and selecting the huge amount of data generated by mass spectrometry (PMF and MS/MS) before any kind of protein identification process, and then only identifying the proteins that ... 01/05/06 - 20060003459 - Determining enantiomeric excess using indicator-displacement assays The invention includes an enantioselective indicator-displacement assay useful to determine enantiomeric excess (ee) enantiomeric samples calorimetrically. Determination may be by inspection of color with the naked eye, spectrographic measurement, or mathematical calculation. Concentration may also be determined. The assay may involve two independent absorption measurements. On suitable group of enantiomeric ... 01/05/06 - 20060003458 - Study of polymer molecules and conformations with a nanopore The invention features methods for evaluating the conformation of a polymer, for example, for determining the conformational distribution of a plurality of polymers and to detect binding or denaturation events. The methods employ a nanopore which the polymer, e.g., a nucleic acid, traverses. As the polymer traverses the nanopore, measurements ... 12/08/05 - 20050272165 - Method for detecting protein as fluorescence image It is an object of the present invention to provide a method for enabling the detection of a trace amount of protein contained in an electrophoresis gel, which cannot visually be observed even in CBB staining capable of confirming a protein by visual observation, so as to enable the combined ... 12/08/05 - 20050272164 - Identification of modified peptides by mass spectrometry In various aspects, provided are methods for identification of the presence of modified peptides using at least in part mass spectrometric signals from metastable ions that are formed in the field free region of the analyzer. For example, in various embodiments where the modified peptides are phosphopeptides, such metastable ions ... 12/01/05 - 20050266577 - Ultrafiltration device for drug binding studies The combination of a supported UF membrane having low non-specific binding (NSB) and high protein retention of the tested chemical entity (CE) in a device that is SBS complaint. The membrane is heat sealed to form one or more integral wells that are used to reduce NSB and improve protein ... 12/01/05 - 20050266576 - Identifying patients at risk for life threatening arrhythmias The invention is a method for identifying proteins associated with sudden cardiac death (SCD) and for assessing a patient's risk of SCD by determining the amount of one or more SCD-associated proteins in the patient. Typically, the patient submits a sample, such as a blood sample, which is tested for ... 12/01/05 - 20050266575 - Pharmacophores for nociceptin, methods of obtaining and using in screening for nociceptin mimics Nociepeptin pharmacophores, methods of determining a nociceptin pharmocophore, nociceptin solution structures, and methods of identifying compounds as potential nociceptin mimics are provided. ... 12/01/05 - 20050266574 - Test strip for creatinine determination The present invention provides a novel test piece for creatinine measurement. The test piece includes a compound expressed by the following formula (1), a metal that forms a colored complex with the compound, and a buffer agent in a porous material. The amount of creatinine is determined by optically measuring ... 11/17/05 - 20050255602 - Test kit and process for producing the same An analytical kit for use in the analysis of given components of a sample solution. In particular, test kit (1) comprising infiltration layer (4) and multiple coloring layers (3) in contact with the infiltration layer (4) which is so constructed that sample solution (S) fed to the infiltration layer (4) ... 11/10/05 - 20050250215 - Measurement of melanocortin peptides and uses thereof The present invention relates to melanocortin peptides and to methods that utilize melanocortin peptides, their measurement, their receptors and biological response systems for the risk assessment and diagnosis of disease. The biological response systems are also utilized to screen for compounds that act as agonists or antagonists of melanocortin receptors. ... 11/03/05 - 20050244977 - Adaptive metal films for detection of biomolecules An adaptive surface for supporting an analyte to be examined, includes a support layer, a metal island layer, and an adhesive layer by which the metal island layer is attached to the support layer, the adhesive layer and metal island layer being interactive with an analyte containing solution to permit ... 11/03/05 - 20050244976 - Methods for detecting anionic and non-anionic compositions using carbocyanine dyes The present invention relates to methods of detecting anionic proteins in a sample with fluorescent carbocyanine dye compounds. The invention also describes methods of simultaneously detecting anionic and non-anionic proteins in a sample with discrete fluorescent signals produced by carbocyanine dye compounds. The invention is of use in a variety ... 10/27/05 - 20050239209 - Method for peptide and polypeptide purification and differential analysis A method for peptide and polypeptide purification that uses a derivatized solid support to capture all of the polypeptides and peptides present in a solution and in a subsequent step quantitatively release all of the polypeptides and peptides bound to the solid support is disclosed. This method provides for quantitative ... 10/20/05 - 20050233462 - Reagents and a method for saturation labelling of proteins wherein n is 1, 2, or 3; Z1 and Z2 independently represent the carbon atoms necessary to complete a phenyl or naphthyl ring system; one of groups R1 and R2 is a target bonding group; remaining group R1 or R2 is selected from —(CH2)4—W or —(CH2)r—H; group R3 is hydrogen, ... 10/06/05 - 20050221500 - Protein identification from protein product ion spectra Mass spectrometry is used to identify a protein of interest. The protein is first ionized then fragmented into protein product ion. Masses of the observed product ions are compared to product ion masses calculated in silico for database protein sequences to identify product ion matches within a predetermined mass tolerance. ... 09/22/05 - 20050208671 - Method of analyzing the ratio of activation of terminals of polyoxyalkylene derivatives An object the invention is to provide a method of analyzing the activation ratio of terminals of a polyoxyalkylene derivative so that the ratio can be accurately measured at a high precision even when the polyoxyalkylene derivative has a high molecular weight. The activation ratio of terminal of a polyoxyalkylene ... 08/18/05 - 20050181513 - Methods and compositions for assessing a sample by maildi mass spectrometry The invention provides methods for preparing a MALDI sample plate. In general, the methods involve contacting a sample with an array of features containing capture agents that specifically bind to analytes, processing any analytes bound to the capture agents for MALDI analysis, and transferring the processed analytes to a MALDI ... 08/11/05 - 20050176154 - Molecular topological fractionation of macromolecules A process for characterizing a sample comprising a population of linear macromolecules of interest (104) and a population of long chain branched macromolecules of interest (103), the process including four steps. The first step is to provide a flow through separating medium (100) and a liquid eluant (101) in which ... 08/04/05 - 20050170519 - Agent for protein precipitation, a method of protein precipitation, a method of protein assay using protein precipitation agent, and a kit for protein assay A method of protein precipitation, concentration and removal of non-protein agents from the protein solution wherein the protein solution is treated with a protein-precipitation agent containing an acidic agent, a salt and a precipitate forming agent. After precipitation, the protein precipitate is washed with a water miscible organic solvent agent ... 07/28/05 - 20050164400 - Method of examining and diagnosing integration dysfunction syndrome The present invention relates to a method of examining or diagnosing schizophrenia, which includes measuring concentrations of D-serine and L-serine in a biological sample. According to the method of the present invention, schizophrenia can be examined or diagnosed by measuring concentrations of D-serine and L-serine in a biological sample by ... 07/28/05 - 20050164399 - Treating solution containing aluminium ion for staining protein and staining method using the same The present invention generally relates to treatment solutions for staining proteins including aluminum ions and staining methods using the same, and more specifically, to a treatment solution for staining proteins including aluminum ions, the treatment solution used when proteins are stained by a Commassie Brilliant Blue CBB stain, and a ... 07/14/05 - 20050153454 - Method for detecting post-translational modification of peptides Method is described for sequencing polypeptides by forming peptide ladders comprising a series of polypeptides in which adjacent members of the series vary by one amino acid residue and determining the identity and position of each amino acid in the polypeptide by mass spectroscopy. ... 07/07/05 - 20050148087 - Isobarically labeled analytes and fragment ions derived therefrom This invention pertains to isobarically labeled analytes and fragment ions thereof. ... 07/07/05 - 20050148086 - Fluorescent sensor for phosphate ion and phosphorylated peptide Disclosed is a fluorescent sensor for phosphate ion and phosphorylated peptide, which comprises a phosphate anion-selective fluorescent compound expressed by the following general formula (1). In the formula (1), FL represents a fluorescent functional group or atomic group having an aromatic ring or heterocyclic ring (for example, dimethylanthlyl group), and ... ### FreshPatents.com Support |