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Blas Cerda patents

Recent bibliographic sampling of Blas Cerda patents listed/published in the public domain by the USPTO (USPTO Patent Application #,Title):



02/13/14 - 20140045273 - Methods and apparatus for identification of polymeric species from mass spectrometry output
Methods and apparatus are provided for the identification of one or more candidate chemical formulas from mass spectrometry data corresponding to an unidentified chemical compound. By restricting the generation of candidate formulas to those having repeating units and/or end units with specified limitations, the methods and apparatus may more efficiently...
Inventors: Blas Cerda, Vsevolod Sergey Rakov, Hayley E. Crowe (Perkinelmer Health Sciences, Inc.)

09/19/13 - 20130244269 - Measuring levels of a metabolite
Described herein are methods for determining an amount of an analyte in a test sample. The methods involve preparing a calibration curve using standard samples containing an isotopically-labeled standard in a biological matrix....
Inventors: Blas Cerda, Alex Cherkasskiy (Perkinelmer Health Sciences, Inc.)

12/06/12 - 20120309096 - Detecting succinylacetone
This invention relates, inter alia, to detecting and/or measuring succinylacetone and one or more additional biological analytes using mass spectrometry....
Inventors: Blas Cerda, Alex Cherkasskiy, Yijun Li (Perkinelmer Health Sciences, Inc.)

11/22/12 - 20120295361 - Measuring levels of a metabolite
Described herein are methods for determining an amount of an analyte in a test sample. The methods involve preparing a calibration curve using standard samples containing an isotopically-labeled standard in a biological matrix....
Inventors: Blas Cerda, Alex Cherkasskiy (Perkinelmer Health Sciences, Inc.)

11/22/12 - 20120295295 - Detecting isomers using differential derivatization mass spectrometry
Methods of evaluating molecular isomers of branched-chain amino acids are featured. The methods can include: derivatizing one or more molecular isomers of branched-chain amino acids in a sample comprising a branched-chain amino acid labeled with one or more heavy atoms as a first standard; adding, to the sample, after derivatization,...
Inventors: Blas Cerda, Alex Cherkasskiy, Yijun Li (Perkinelmer Las, Inc.)

07/26/12 - 20120190043 - Enzymatic substrates for multiple detection systems
An inventive substrate is provided which includes a substrate compound of formula A-B1-B2-B3-B4: wherein A is a sugar moiety; B1 is a linker moiety allowing the conjugation of moiety A and the remaining structure of the substrate; B2 is a linker moiety with a free reactive amino group so as...
Inventors: Blas Cerda, Mark Norman Bobrow (Perkinelmer Health Sciences, Inc.)

05/17/12 - 20120122131 - Simultaneous detection of metabolic enzyme activity and metabolite levels
Provided are methods for detecting a metabolic disorder in an individual using mass spectrometry. One method involves (a) contacting a sample containing (i) a metabolically indicative enzyme and (ii) a metabolic analyte, with a substrate for the enzyme to produce a reaction admixture, under conditions wherein the enzyme is capable...
Inventors: Blas Cerda (Perkinelmer Health Sciences, Inc.)

08/18/11 - 20110201539 - Detecting succinylacetone
This invention relates, inter alia, to detecting and/or measuring succinylacetone and one or more additional biological analytes using mass spectrometry....
Inventors: Blas Cerda, Alex Cherkasskiy, Yijun Li (Perkinelmer Health Sciences, Inc.)

08/04/11 - 20110189780 - Detecting isomers using differential derivatization mass spectrometry
Methods of evaluating molecular isomers of branched-chain amino acids are featured. The methods can include: derivatizing one or more molecular isomers of branched-chain amino acids in a sample comprising a branched-chain amino acid labeled with one or more heavy atoms as a first standard; adding, to the sample, after derivatization,...
Inventors: Blas Cerda, Alex Cherkasskiy, Yijun Li (Perkinelmer Health Sciences, Inc.)

01/27/11 - 20110020942 - Measuring levels of a metabolite
Described herein are methods for determining an amount of an analyte in a test sample. The methods involve preparing a calibration curve using standard samples containing an isotopically-labeled standard in a biological matrix....
Inventors: Blas Cerda, Alex Cherkasskiy

09/09/10 - 20100227412 - Simultaneous detection of estrogen and non estrogen steroids
Methods for determining the amounts of estrogen and non-estrogen steroids in a sample are provided. The methods employ the selective derivatization of estrogen steroids present in a sample and detection of the molecular ions and fragments of the derivatized estrogens and non-estrogen steroids in the sample. The methods provided herein...
Inventors: Blas Cerda (Perkinelmer Health Sciences, Inc.)

10/08/09 - 20090253117 - Enzymatic substrates for multiple detection systems
An inventive substrate is provided which includes a substrate compound of formula A-B1-B2-B3-B4: wherein A is a sugar moiety; B1 is a linker moiety allowing the conjugation of moiety A and the remaining structure of the substrate; B2 is a linker moiety with a free reactive amino group so as...
Inventors: Blas Cerda, Mark Norman Bobrow

04/30/09 - 20090111137 - Simultaneous detection of metabolic enzyme activity and metabolite levels
Provided are methods for detecting a metabolic disorder in an individual using mass spectrometry. One method involves (a) contacting a sample containing (i) one or more metabolically indicative enzymes and (ii) one or more metabolic analytes, with one or more substrates for said one or more enzymes to produce a...
Inventors: Blas Cerda (Perkinelmer Las, Inc.)

03/12/09 - 20090068634 - Substrates and internal standards for mass spectrometry detection
An inventive substrate is provided which includes a substrate compound of formula A-B1—B2—B3: wherein A is a sugar moiety; B1 is a linker moiety allowing the conjugation of moiety A and the remaining structure of the substrate; B2 contains a permanently charged element such as a quaternary ammonium group so...
Inventors: Blas Cerda (Perkinelmer Las, Inc.)

Perkinelmer Health Sciences, Inc., Perkinelmer Las, Inc.

Archived*
(*May have duplicates - we are upgrading our archive.)

20120309096 - Detecting succinylacetone


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The bibliographic references displayed about Blas Cerda's patents are for a recent sample of Blas Cerda's publicly published patent applications. The inventor/author may have additional bibliographic citations listed at the USPTO.gov. FreshPatents.com is not associated or affiliated in any way with the author/inventor or the United States Patent/Trademark Office but is providing this non-comprehensive sample listing for educational and research purposes using public bibliographic data published and disseminated from the United States Patent/Trademark Office public datafeed. This information is also available for free on the USPTO.gov website. If Blas Cerda filed recent patent applications under another name, spelling or location then those applications could be listed on an alternate page. If no bibliographic references are listed here, it is possible there are no recent filings or there is a technical issue with the listing--in that case, we recommend doing a search on the USPTO.gov website.

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