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公开(公告)号：US20200289649A1
公开(公告)日：2020-09-17
申请号：US16886927
申请日：2020-05-29
Applicant: Purdue Research Foundation
Inventor： Alexander Wei , Ana Victoria Morales-de-Echegaray
Abstract: The present application relates generally to a method and a composition matter that provides a rapid and potent antimicrobial photodynamic inactivation (aPDI) of pathogenic bacteria that express high-affinity cell-surface hemin receptors (CSHRs) using Ga(III)-protoporphyrins IX (GaPpIX or Ga-PpIX). The invention provides an effective treatment option for infections of skin or body cavities that are accessible to visible-light irradiation, such as a handheld LED array emitting visible light (405 nm), especially for infections caused by Staphylococcus aureus, Methicillin-resistant Staphylococcus aureus (MRSA), pathogenic staphylococci, Streptococcus mutans, S. pneumoniae, S. pyogenes, streptococci, corynebacteria, mycobacteria, and Bacillus anthracis.
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公开(公告)号：US20190314502A1
公开(公告)日：2019-10-17
申请号：US16370153
申请日：2019-03-29
Applicant: Purdue Research Foundation
Inventor： Alexander Wei , Ana Victoria Morales-de-Echegaray
Abstract: The present application relates generally to a method and a composition matter that provides a rapid and potent antimicrobial photodynamic inactivation (aPDI) of pathogenic bacteria that express high-affinity cell-surface hemin receptors (CSHRs) using Ga(III)-protoporphyrins IX (GaPpIX or Ga-PpIX). The invention provides an effective treatment option for infections of skin or body cavities that are accessible to visible-light irradiation, such as a handheld LED array emitting visible light (405 nm), especially for infections caused by Staphylococcus aureus, Methicillin-resistant Staphylococcus aureus (MRSA), pathogenic staphylococci, Streptococcus mutans, S. pneumoniae, S. pyogenes, streptococci, corynebacteria, mycobacteria, and Bacillus anthracis.
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公开(公告)号：US20250145735A1
公开(公告)日：2025-05-08
申请号：US19012498
申请日：2025-01-07
Applicant: Purdue Research Foundation
Inventor： Alexander Wei , Tae Hoo Chang , Miran Mavlan
Abstract: The present disclosure generally relates to a process for manufacturing a processable dried cellulose nanomaterial using a co-solvent of tert-butyl alcohol (TBA), of which unique physical/chemical properties enable facile modification/derivatization. This present disclosure also relates to materials and process of generating of superhydrophobic surface coating using hydrophobic carboxylic acid modified cellulose nanofibers. Both the processes and the products thereof are within the scope of this disclosure.
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4.发明申请公开(公告)号：US20170326689A1
公开(公告)日：2017-11-16
申请号：US15593906
申请日：2017-05-12
Applicant: Purdue Research Foundation
Inventor： Alexander Wei , Naveen Reddy Kadasala , Gary J. Cheng , Mojib Saei
IPC: B23K26/386 , H05K3/04 , H01L21/677 , H01L21/027 , H01L21/02 , H05K3/42
CPC classification number: B23K26/386 , B23K26/18 , B23K26/389 , B23K2103/42 , C03C14/006 , C03C23/0025 , C03C2214/08 , H01L21/0203 , H01L21/02422 , H01L21/0275 , H01L21/67709 , H05K3/04 , H05K3/42
Abstract: Methods and products formed thereby that include depositing a light-absorbing particle on a substrate and irradiating the particle with a pulsed laser beam to cause an increase in local temperature of a portion of the substrate contacted by and adjacent to the particle, enabling the particle to penetrate and migrate through the substrate to form a pore. The methods may include additional steps of applying a magnetic field gradient to the particle as the particle is irradiated with the laser beam in order to promote the movement of the particle within the substrate or to direct the movement of the particle within the substrate, and/or the step of filling the pore with a material that provides a functional capability independent of the properties of the substrate.
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Patent Agency Ranking
公开(公告)号：US12195560B2
公开(公告)日：2025-01-14
申请号：US17610584
申请日：2020-05-15
Applicant: Purdue Research Foundation
Inventor： Alexander Wei , Tae Hoo Chang , Miran Mavlan
Abstract: The present disclosure generally relates to a process for manufacturing a processable dried cellulose nanomaterial using a co-solvent of tert-butyl alcohol (TBA), of which unique physical/chemical properties enable facile modification/derivatization. This present disclosure also relates to materials and process of generating of superhydrophobic surface coating using hydrophobic carboxylic acid modified cellulose nanofibers. Both the processes and the products thereof are within the scope of this disclosure.
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公开(公告)号：US09643148B2
公开(公告)日：2017-05-09
申请号：US14830787
申请日：2015-08-20
Applicant: Purdue Research Foundation
Inventor： Alexander Wei , Jonathan G Mehtala
CPC classification number: B01J13/0034 , B01J13/0043 , B01J13/0086 , B82Y40/00
Abstract: The present disclosure relates to the cleansing of nanoparticles in aqueous cationic surfactant solutions, including polyalkylammonium salts such as cetyltrimethylammonium bromide, as demonstrated by surfactant exchange, followed by the addition of peptizing agents to stabilize the cleansed nanoparticle solutes.
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公开(公告)号：US20220213228A1
公开(公告)日：2022-07-07
申请号：US17610584
申请日：2020-05-15
Applicant: Purdue Research Foundation
Inventor： Alexander Wei , Tae Hoo Chang , Miran Mavlan
Abstract: The present disclosure generally relates to a process for manufacturing a processable dried cellulose nanomaterial using a co-solvent of tert-butyl alcohol (TBA), of which unique physical/chemical properties enable facile modification/derivatization. This present disclosure also relates to materials and process of generating of superhydrophobic surface coating using hydrophobic carboxylic acid modified cellulose nanofibers. Both the processes and the products thereof are within the scope of this disclosure.
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公开(公告)号：US10722582B2
公开(公告)日：2020-07-28
申请号：US16370153
申请日：2019-03-29
Applicant: Purdue Research Foundation
Inventor： Alexander Wei , Ana Victoria Morales-de-Echegaray
Abstract: The present application relates generally to a method and a composition matter that provides a rapid and potent antimicrobial photodynamic inactivation (aPDI) of pathogenic bacteria that express high-affinity cell-surface hemin receptors (CSHRs) using Ga(III)-protoporphyrins IX (GaPpIX or Ga-PpIX). The invention provides an effective treatment option for infections of skin or body cavities that are accessible to visible-light irradiation, such as a handheld LED array emitting visible light (405 nm), especially for infections caused by Staphylococcus aureus, Methicillin-resistant Staphylococcus aureus (MRSA), pathogenic staphylococci, Streptococcus mutans, S. pneumoniae, S. pyogenes, streptococci, corynebacteria, mycobacteria, and Bacillus anthracis.
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公开(公告)号：US20160051955A1
公开(公告)日：2016-02-25
申请号：US14830787
申请日：2015-08-20
Applicant: Purdue Research Foundation
Inventor： Alexander Wei , Jonathan G. Mehtala
IPC: B01J13/00
CPC classification number: B01J13/0034 , B01J13/0043 , B01J13/0086 , B82Y40/00
Abstract: The present disclosure relates to the cleansing of nanoparticles in aqueous cationic surfactant solutions, including polyalkylammonium salts such as cetyltrimethylammonium bromide, as demonstrated by surfactant exchange, followed by the addition of peptizing agents to stabilize the cleansed nanoparticle solutes.
Abstract translation: 本公开内容涉及在阳离子表面活性剂水溶液中清洁纳米颗粒，包括聚烷基铵盐如十六烷基三甲基溴化铵，如通过表面活性剂交换所证实的，然后加入胶溶剂以稳定清洁的纳米颗粒溶质。
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