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Materials and Substances Relating to Polyions and Substance Delivery [ChargeSwitchTM & EasyplexTM DNA Isolation Technology] US Patent 7319004 B2

Garry Harper Orcid Logo

Swansea University Author: Garry Harper Orcid Logo

Abstract

Materials and methods relating to polyions and substance delivery US 7319004 B2ABSTRACTMaterials and method are disclose for delivering a desired substance to a target site, using a layered carrier in which the carrier and the substance together form at least three layers which associate by ionic in...

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Published: 2008
Online Access: http://www.uspto.gov/
URI: https://cronfa.swan.ac.uk/Record/cronfa24319
first_indexed 2015-11-13T01:57:29Z
last_indexed 2018-02-09T05:03:58Z
id cronfa24319
recordtype SURis
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spelling 2015-11-12T16:27:24.6631907 v2 24319 2015-11-12 Materials and Substances Relating to Polyions and Substance Delivery [ChargeSwitchTM & EasyplexTM DNA Isolation Technology] US Patent 7319004 B2 65577d3f58d8612cfd499d1a74432eb3 0000-0001-9646-0850 Garry Harper Garry Harper true false 2015-11-12 BGPS Materials and methods relating to polyions and substance delivery US 7319004 B2ABSTRACTMaterials and method are disclose for delivering a desired substance to a target site, using a layered carrier in which the carrier and the substance together form at least three layers which associate by ionic interaction at the first pH, where at least one layer comprises a charge switch material which comprises an ionisable group and which has a positive charge at a first pH and a charge which is less positive, neutral or negative at a second pH, at least one layer comprises a polyionic polymer which is negatively charged at the first pH and at least one layer comprises the desired substance. Preferred carriers are based on the charge switch material poly Bis-Tris and the polyionic polymer polyacrylic acid. Conference Paper/Proceeding/Abstract 15 1 2008 2008-01-15 http://www.uspto.gov/ COLLEGE NANME Biosciences Geography and Physics School COLLEGE CODE BGPS Swansea University 2015-11-12T16:27:24.6631907 2015-11-12T16:20:17.7664542 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Garry Harper 0000-0001-9646-0850 1
title Materials and Substances Relating to Polyions and Substance Delivery [ChargeSwitchTM & EasyplexTM DNA Isolation Technology] US Patent 7319004 B2
spellingShingle Materials and Substances Relating to Polyions and Substance Delivery [ChargeSwitchTM & EasyplexTM DNA Isolation Technology] US Patent 7319004 B2
Garry Harper
title_short Materials and Substances Relating to Polyions and Substance Delivery [ChargeSwitchTM & EasyplexTM DNA Isolation Technology] US Patent 7319004 B2
title_full Materials and Substances Relating to Polyions and Substance Delivery [ChargeSwitchTM & EasyplexTM DNA Isolation Technology] US Patent 7319004 B2
title_fullStr Materials and Substances Relating to Polyions and Substance Delivery [ChargeSwitchTM & EasyplexTM DNA Isolation Technology] US Patent 7319004 B2
title_full_unstemmed Materials and Substances Relating to Polyions and Substance Delivery [ChargeSwitchTM & EasyplexTM DNA Isolation Technology] US Patent 7319004 B2
title_sort Materials and Substances Relating to Polyions and Substance Delivery [ChargeSwitchTM & EasyplexTM DNA Isolation Technology] US Patent 7319004 B2
author_id_str_mv 65577d3f58d8612cfd499d1a74432eb3
author_id_fullname_str_mv 65577d3f58d8612cfd499d1a74432eb3_***_Garry Harper
author Garry Harper
author2 Garry Harper
format Conference Paper/Proceeding/Abstract
publishDate 2008
institution Swansea University
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences
url http://www.uspto.gov/
document_store_str 0
active_str 0
description Materials and methods relating to polyions and substance delivery US 7319004 B2ABSTRACTMaterials and method are disclose for delivering a desired substance to a target site, using a layered carrier in which the carrier and the substance together form at least three layers which associate by ionic interaction at the first pH, where at least one layer comprises a charge switch material which comprises an ionisable group and which has a positive charge at a first pH and a charge which is less positive, neutral or negative at a second pH, at least one layer comprises a polyionic polymer which is negatively charged at the first pH and at least one layer comprises the desired substance. Preferred carriers are based on the charge switch material poly Bis-Tris and the polyionic polymer polyacrylic acid.
published_date 2008-01-15T00:55:25Z
_version_ 1821364899840786432
score 11.04748

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