Patents by Inventor Debjyoti Banerjee
Debjyoti Banerjee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8470149Abstract: A method for dispensing liquid for use in biological analysis may comprise positioning liquid to be dispensed via electrowetting. The positioning may comprise aligning the liquid with a plurality of predetermined locations. The method may further comprise dispensing the aligned liquid from the plurality of predetermined locations through a plurality of openings respectively aligned with the predetermined locations. The dispensing may be via electrowetting.Type: GrantFiled: December 5, 2011Date of Patent: June 25, 2013Assignee: Applied Biosystems, LLCInventors: Charles S. Vann, Debjyoti Banerjee, Timothy G. Geiser, James C. Nurse, Nigel P. Beard
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Patent number: 8470285Abstract: A method of liquid phase synthesis of carbon nanotubes in air comprising the steps of making a first liquid phase metal salt catalyst solution of a first predetermined volume; making a carbon source liquid phase solution of a second predetermined volume; ultrasonicating the first metal salt catalyst and the carbon source solutions to de-agglomerate and uniformly disperse their powder form into the solutions; depositing predetermined volumes of droplets of the first metal salt catalyst and the carbon source solutions onto a substrate; drying the first metal salt catalyst and the carbon source solutions on the substrate in an air environment for a predetermined time to form a carbon and catalyst composite; and heating the carbon and catalyst mixture in the air environment for a predetermined temperature and time to form one or more carbon nanotubes.Type: GrantFiled: April 4, 2012Date of Patent: June 25, 2013Assignee: The United States of America as represented by the Secretary of the NavyInventors: Ryan P. Lu, Christopher K. Huynh, Ayax D. Rammirez, Debjyoti Banerjee
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Patent number: 8383062Abstract: A diagnostic device is provided that includes a plurality of retainment regions interconnected through at least one fluid processing passageway or separated by at least one barrier. A fluid flow modulator can be provided in the fluid processing passageway if a fluid processing passageway is provided. The barrier and/or fluid flow modulator can comprise a polysaccharide, a derivative of a polysaccharide, or a combination thereof. For example, the barrier can comprise a chitosan material.Type: GrantFiled: November 12, 2010Date of Patent: February 26, 2013Assignee: Applied Biosystems, LLCInventors: Umberto Ulmanella, Debjyoti Banerjee, Konrad Faulstich, Aldrich Lau, Jun Xie
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Publication number: 20120214156Abstract: A diagnostic device is provided that includes a plurality of retainment regions, with the retainment regions that are separated by at least one dissolvable barrier. The retainment regions can be interconnected through at least one fluid processing passageway. A retainment region can include a container such as a retainment region, well, chamber, or other receptacle, or a retainment region such as a surface on which the material is retained. The retainment regions can include a reaction retainment region, one or more reagent retainment regions, each containing unreacted reagents, and a sample retainment region. A pressure-actuated valve can be positioned in each fluid processing passageway interconnecting the one or more reagent retainment regions with the respective intermediate retainment regions interposed between each of the one or more reagent retainment regions and the reaction retainment region. The dissolvable barrier can be a fluid flow modulator in the at least one fluid processing passageway.Type: ApplicationFiled: February 23, 2012Publication date: August 23, 2012Applicant: LIFE TECHNOLOGIES CORPORATIONInventors: Debjyoti BANERJEE, Konrad Faulstich, Aldrich N.K. Lau, Umberto Ulmanella, Jun Xie
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Publication number: 20120138462Abstract: A method for dispensing liquid for use in biological analysis may comprise positioning liquid to be dispensed via electrowetting. The positioning may comprise aligning the liquid with a plurality of predetermined locations. The method may further comprise dispensing the aligned liquid from the plurality of predetermined locations through a plurality of openings respectively aligned with the predetermined locations. The dispensing may be via electrowetting.Type: ApplicationFiled: December 5, 2011Publication date: June 7, 2012Applicant: LIFE TECHNOLOGIES CORPORATIONInventors: Charles S. Vann, Debjyoti Banerjee, Timothy G. Geiser, James C. Nurse, Nigel P. Beard
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Patent number: 8163150Abstract: A method for dispensing liquid for use in biological analysis may comprise positioning liquid to be dispensed via electrowetting. The positioning may comprise aligning the liquid with a plurality of predetermined locations. The method may further comprise dispensing the aligned liquid from the plurality of predetermined locations through a plurality of openings respectively aligned with the predetermined locations. The dispensing may be via electrowetting.Type: GrantFiled: February 19, 2010Date of Patent: April 24, 2012Assignee: Applied Biosystems, LLCInventors: Charles Vann, Debjyoti Banerjee, Timothy Geiser, James Nurse, Nigel Beard
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Patent number: 8147770Abstract: A diagnostic device is provided that includes a plurality of retainment regions, with the retainment regions that are separated by at least one dissolvable barrier. The retainment regions can be interconnected through at least one fluid processing passageway. A retainment region can include a container such as a retainment region, well, chamber, or other receptacle, or a retainment region such as a surface on which the material is retained. The retainment regions can include a reaction retainment region, one or more reagent retainment regions, each containing unreacted reagents, and a sample retainment region. A pressure-actuated valve can be positioned in each fluid processing passageway interconnecting the one or more reagent retainment regions with the respective intermediate retainment regions interposed between each of the one or more reagent retainment regions and the reaction retainment region. The dissolvable barrier can be a fluid flow modulator in the at least one fluid processing passageway.Type: GrantFiled: November 24, 2010Date of Patent: April 3, 2012Assignee: Applied Biosystems, LLCInventors: Debjyoti Banerjee, Konrad Faulstich, Aldrich Lau, Umberto Ulmanella, Jun Xie
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Patent number: 8062611Abstract: A fluid processing device is provided that includes a substrate, a plurality of fluid retainment regions formed in or on the substrate, and a barrier at least partially separating two or more of the fluid retainment regions. The barrier includes a mixture of a sequestering material and a reaction component. The reaction component can be at least one of a reactant, a reagent, a catalyst, an initiator, a promoter, a cofactor, an enzyme, a salt, or a combination thereof. The sequestering material can be a porous material, a dissolvable material, or both.Type: GrantFiled: October 18, 2005Date of Patent: November 22, 2011Assignee: Applied Biosystems, LLCInventors: Konrad Faulstich, Aldrich N. K. Lau, Debjyoti Banerjee, Umberto Ulmanella, Jun Xie
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Publication number: 20110126913Abstract: A diagnostic device is provided that includes a plurality of retainment regions, with the retainment regions that are separated by at least one dissolvable barrier. The retainment regions can be interconnected through at least one fluid processing passageway. A retainment region can include a container such as a retainment region, well, chamber, or other receptacle, or a retainment region such as a surface on which the material is retained. The retainment regions can include a reaction retainment region, one or more reagent retainment regions, each containing unreacted reagents, and a sample retainment region. A pressure-actuated valve can be positioned in each fluid processing passageway interconnecting the one or more reagent retainment regions with the respective intermediate retainment regions interposed between each of the one or more reagent retainment regions and the reaction retainment region. The dissolvable barrier can be a fluid flow modulator in the at least one fluid processing passageway.Type: ApplicationFiled: November 24, 2010Publication date: June 2, 2011Applicant: LIFE TECHNOLOGIES CORPORATIONInventors: Debjyoti Banerjee, Konrad Faulstich, Aldrich N. K. Lau, Umberto Ulmanella, Jun Xie
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Publication number: 20110114206Abstract: A diagnostic device is provided that includes a plurality of retainment regions interconnected through at least one fluid processing passageway or separated by at least one barrier. A fluid flow modulator can be provided in the fluid processing passageway if a fluid processing passageway is provided. The barrier and/or fluid flow modulator can comprise a polysaccharide, a derivative of a polysaccharide, or a combination thereof. For example, the barrier can comprise a chitosan material.Type: ApplicationFiled: November 12, 2010Publication date: May 19, 2011Applicant: LIFE TECHNOLOGIES CORPORATIONInventors: Debjyoti Banerjee, Umberto Ulmanella, Konrad Faulstich, Aldrich N.K. Lau, Jun Xie
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Publication number: 20100242765Abstract: Inkwells adapted for use in direct-write nanolithography and other applications including use of wells, channels, and posts. The wells can possess a geometry which matches the geometry of tips which are dipped into the inkwells. The channels can be open or closed. Hydrophilicity and hydrophobicity can be used to control ink flow. SEM can be used to characterize the inkwells. Ink flow can be monitored with video. Hydrophobic material layers can be used to prevent cross contamination. Microsyringes can be used to fill reservoirs. Satellite reservoirs can be used to prevent bubble formation.Type: ApplicationFiled: March 26, 2010Publication date: September 30, 2010Inventors: Sylvain Cruchon-Dupeyrat, Michael Nelson, Robert Elghanian, Joseph S. Fragala, Igor Touzov, Debjyoti Banerjee
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Publication number: 20100236930Abstract: A method for dispensing liquid for use in biological analysis may comprise positioning liquid to be dispensed via electrowetting. The positioning may comprise aligning the liquid with a plurality of predetermined locations. The method may further comprise dispensing the aligned liquid from the plurality of predetermined locations through a plurality of openings respectively aligned with the predetermined locations. The dispensing may be via electrowetting.Type: ApplicationFiled: February 19, 2010Publication date: September 23, 2010Applicant: LIFE TECHNOLOGIES CORPORATIONInventors: Charles S. Vann, Debjyoti Banerjee, Timothy G. Geiser, James C. Nurse, Nigel P. Beard
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Patent number: 7762638Abstract: Inkwells adapted for use in direct-write nanolithography and other applications including use of wells, channels, and posts. The wells can possess a geometry which matches the geometry of tips which are dipped into the inkwells. The channels can be open or closed. Hydrophilicity and hydrophobicity can be used to control ink flow. SEM can be used to characterize the inkwells. Ink flow can be monitored with video. Hydrophobic material layers can be used to prevent cross contamination. Microsyringes can be used to fill reservoirs. Satellite reservoirs can be used to prevent bubble formation.Type: GrantFiled: April 7, 2006Date of Patent: July 27, 2010Assignee: NanoInk, Inc.Inventors: Sylvain Cruchon-Dupeyrat, Michael Nelson, Robert Elghanian, Joseph S. Fragala, Igor Touzov, Debjyoti Banerjee
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Publication number: 20100136701Abstract: A diagnostic device is provided that includes a plurality of retainment regions, with the retainment regions that are separated by at least one dissolvable barrier. The retainment regions can be interconnected through at least one fluid processing passageway. A retainment region can include a container such as a retainment region, well, chamber, or other receptacle, or a retainment region such as a surface on which the material is retained. The retainment regions can include a reaction retainment region, one or more reagent retainment regions, each containing unreacted reagents, and a sample retainment region. A pressure-actuated valve can be positioned in each fluid processing passageway interconnecting the one or more reagent retainment regions with the respective intermediate retainment regions interposed between each of the one or more reagent retainment regions and the reaction retainment region. The dissolvable barrier can be a fluid flow modulator in the at least one fluid processing passageway.Type: ApplicationFiled: November 30, 2009Publication date: June 3, 2010Applicant: LIFE TECHNOLOGIES CORPORATIONInventors: Debjyoti Banerjee, Konrad Faulstich, Aldrich N. K. Lau, Umberto Ulmanella, Jun Xie
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Publication number: 20100133104Abstract: A diagnostic device is provided that includes a plurality of retainment regions interconnected through at least one fluid processing passageway or separated by at least one barrier. A fluid flow modulator can be provided in the fluid processing passageway if a fluid processing passageway is provided. The barrier and/or fluid flow modulator can comprise a polysaccharide, a derivative of a polysaccharide, or a combination thereof. For example, the barrier can comprise a chitosan material.Type: ApplicationFiled: November 30, 2009Publication date: June 3, 2010Applicant: LIFE TECHNOLOGIES CORPORATIONInventors: Debjyoti Banerjee, Umberto Ulmanella, Konrad Faulstich, Aldrich N. K. Lau, Jun Xie
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Patent number: 7378259Abstract: A fluid processing device and method of using the device are provided. The fluid processing device can include a substrate with a fluid processing pathway at least partially formed in or on the substrate. The fluid processing pathway can include an input end, at least one output end, a first input opening, a plurality of reaction sites each in fluid communication with the first input opening and arranged between the first input opening and the at least one output end. The fluid processing pathway can include a plurality of second input openings including two or more in fluid communication respectively with each of the reaction sites, the second input openings being arranged with the reaction site disposed between the at least one output end and the second input openings. The fluid processing device can include one or more output openings in fluid communication with one or more of the plurality of reaction sites and arranged at the at least one output end of the fluid processing pathway.Type: GrantFiled: July 15, 2004Date of Patent: May 27, 2008Assignee: Applera CorporationInventors: Dar Bahatt, Debjyoti Banerjee
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Publication number: 20070008390Abstract: Inkwells adapted for use in direct-write nanolithography and other applications including use of wells, channels, and posts. The wells can possess a geometry which matches the geometry of tips which are dipped into the inkwells. The channels can be open or closed. Hydrophilicity and hydrophobicity can be used to control ink flow. SEM can be used to characterize the inkwells. Ink flow can be monitored with video. Hydrophobic material layers can be used to prevent cross contamination. Microsyringes can be used to fill reservoirs. Satellite reservoirs can be used to prevent bubble formation.Type: ApplicationFiled: April 7, 2006Publication date: January 11, 2007Inventors: Sylvain Cruchon-Dupeyrat, Michael Nelson, Robert Elghanian, Joseph Fragala, Igor Touzov, Debjyoti Banerjee
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Publication number: 20060102477Abstract: A method for dispensing liquid for use in biological analysis may comprise positioning liquid to be dispensed via electrowetting. The positioning may comprise aligning the liquid with a plurality of predetermined locations. The method may further comprise dispensing the aligned liquid from the plurality of predetermined locations through a plurality of openings respectively aligned with the predetermined locations. The dispensing may be via electrowetting.Type: ApplicationFiled: August 26, 2005Publication date: May 18, 2006Applicant: Applera CorporationInventors: Charles Vann, Debjyoti Banerjee, Timothy Geiser, James Nurse, Nigel Beard
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Publication number: 20060093528Abstract: A diagnostic device is provided that includes a plurality of retainment regions, with the retainment regions that are separated by at least one dissolvable barrier. The retainment regions can be interconnected through at least one fluid processing passageway. A retainment region can include a container such as a retainment region, well, chamber, or other receptacle, or a retainment region such as a surface on which the material is retained. The retainment regions can include a reaction retainment region, one or more reagent retainment regions, each containing unreacted reagents, and a sample retainment region. A pressure-actuated valve can be positioned in each fluid processing passageway interconnecting the one or more reagent retainment regions with the respective intermediate retainment regions interposed between each of the one or more reagent retainment regions and the reaction retainment region. The dissolvable barrier can be a fluid flow modulator in the at least one fluid processing passageway.Type: ApplicationFiled: October 18, 2005Publication date: May 4, 2006Applicant: Applera CorporationInventors: Debjyoti Banerjee, Konrad Faulstich, Aldrich Lau, Umberto Ulmanella, Jun Xie
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Publication number: 20060093526Abstract: A fluid processing device is provided that includes a substrate, a plurality of fluid retainment regions formed in or on the substrate, and a barrier at least partially separating two or more of the fluid retainment regions. The barrier includes a mixture of a sequestering material and a reaction component. The reaction component can be at least one of a reactant, a reagent, a catalyst, an initiator, a promoter, a cofactor, an enzyme, a salt, or a combination thereof. The sequestering material can be a porous material, a dissolvable material, or both.Type: ApplicationFiled: October 18, 2005Publication date: May 4, 2006Applicant: Applera CorporationInventors: Konrad Faulstich, Aldrich Lau, Debjyoti Banerjee, Umberto Ulmanella, Jun Xie