Patent
US 9,961,902METHOD OF SYNTHESIZING A GRAPHENE-BASED ANTIBACTERIAL AND USING THE SAME
Yong-Chien LING
US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 9,961,902Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 4 represents the fourier transform-infrared (FT-IR) spectrum of the antimicrobial material MRGOGA. [0030] FIG 5 represents a hysteresis curve of RMG by …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A met h od of synthesizing an antibacterial material (RMG) for photother m al killing of bacteria by converting light irradiation to emit heat comprising of following steps: allowing a plurality of graphite flakes to react with sulfuric acid, potassium permanganate and sodium nitrate; adding hydrogen peroxide for the removal of unreacted metal ions to obtain a plurality of pure graphene oxide (GO); preparing a suspension of GO by exfoliating the GO in a d e -ionized (DI) water; dissolving Iron (III) chloride hexahydrate and iron (II) chloride tetrahydrate with a ratio of 2:1 in the DI water, then adding an iron-containing solution into the suspension; adding ammonia solution into the suspension to yield a plurality of F e Q 4 nanoparticles; using hydrazine to reduce GO and modify Fe 3 Q 4 nanoparticles modified on the graphene from GO; and SVG 15076157.12-26-2017.JBOAM₅OHRXEAPX2.CLM.1.svg 0.17 5.92 Black and white modifying an aldehyde onto the surface of the graphene with the Fe 3 O 4 nanoparticles l- to obtain the RMG; as shown in t h e RMG, wherein R represents the ald e hyde, M is the Fe 3 O 4 nanoparticles, and G is the graphene. Currently amended
The method according to claim 1, wherein the aldehyde is glutaraldehyde. Currently amended
Canceled
Canceled
A method of using an antibacterial material comprising of following steps: interacting the antibacterial material RMG with bacteria, thereby capturing the bacteria with the antibacterial material; and irradiating the antibacterial material and captured bacteria with a light source, wherein R is ald c hyde, di-aldehyde, or multi-aldehyde, M is a magnetic material, and G is reduced graphene oxide. Withdrawn
The method according to claim 5, further comprising the following steps: after the step of interacting the antibacterial material, utilizing a magnet to attract the antibacterial material along with the captured bacteria, before irradiating the antibacterial material and the captured bacteria with the light source. Withdrawn
The method according to claim 5, wherein the light source is a visible/near infrared light source. Withdrawn
Materials described outside the worked examples.
graphene oxide
graphite flakes
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4 represents the fourier transform-infrared (FT-IR) spectrum of the antimicrobial material MRGOGA. [0030] FIG 5 represents a hysteresis curve of RMG by …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Fe3O4 nanoparticle size | — | Fe₃O₄ |
NIR light irradiation wavelength for photothermal antibacterial activity | — |
Related documents with shared materials, methods, properties, or citations.
LINKED STACKS OF PARTLY REDUCED GRAPHENE, METHOD FOR PRODUCING LINKED STACKS OF PARTLY REDUCED GRAPHENE, POWDER COMPRISING LINKED STACKS OF PARTLY REDUCED GRAPHENE, GRAPHENE ELECTRODE FILM, METHOD FOR PRODUCING GRAPHENE ELCETRODE FILM, AND GRAPHENE CAPACITOR
METHODS FOR MANUFACTURING GRAPHENE BASED MATERIAL
Patent
Atlas literature
Patent
US 9,961,902Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 4 represents the fourier transform-infrared (FT-IR) spectrum of the antimicrobial material MRGOGA. [0030] FIG 5 represents a hysteresis curve of RMG by …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A met h od of synthesizing an antibacterial material (RMG) for photother m al killing of bacteria by converting light irradiation to emit heat comprising of following steps: allowing a plurality of graphite flakes to react with sulfuric acid, potassium permanganate and sodium nitrate; adding hydrogen peroxide for the removal of unreacted metal ions to obtain a plurality of pure graphene oxide (GO); preparing a suspension of GO by exfoliating the GO in a d e -ionized (DI) water; dissolving Iron (III) chloride hexahydrate and iron (II) chloride tetrahydrate with a ratio of 2:1 in the DI water, then adding an iron-containing solution into the suspension; adding ammonia solution into the suspension to yield a plurality of F e Q 4 nanoparticles; using hydrazine to reduce GO and modify Fe 3 Q 4 nanoparticles modified on the graphene from GO; and SVG 15076157.12-26-2017.JBOAM₅OHRXEAPX2.CLM.1.svg 0.17 5.92 Black and white modifying an aldehyde onto the surface of the graphene with the Fe 3 O 4 nanoparticles l- to obtain the RMG; as shown in t h e RMG, wherein R represents the ald e hyde, M is the Fe 3 O 4 nanoparticles, and G is the graphene. Currently amended
The method according to claim 1, wherein the aldehyde is glutaraldehyde. Currently amended
Canceled
Canceled
A method of using an antibacterial material comprising of following steps: interacting the antibacterial material RMG with bacteria, thereby capturing the bacteria with the antibacterial material; and irradiating the antibacterial material and captured bacteria with a light source, wherein R is ald c hyde, di-aldehyde, or multi-aldehyde, M is a magnetic material, and G is reduced graphene oxide. Withdrawn
The method according to claim 5, further comprising the following steps: after the step of interacting the antibacterial material, utilizing a magnet to attract the antibacterial material along with the captured bacteria, before irradiating the antibacterial material and the captured bacteria with the light source. Withdrawn
The method according to claim 5, wherein the light source is a visible/near infrared light source. Withdrawn
Materials described outside the worked examples.
graphene oxide
graphite flakes
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4 represents the fourier transform-infrared (FT-IR) spectrum of the antimicrobial material MRGOGA. [0030] FIG 5 represents a hysteresis curve of RMG by …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Fe3O4 nanoparticle size | — | Fe₃O₄ |
NIR light irradiation wavelength for photothermal antibacterial activity | — |
Related documents with shared materials, methods, properties, or citations.
LINKED STACKS OF PARTLY REDUCED GRAPHENE, METHOD FOR PRODUCING LINKED STACKS OF PARTLY REDUCED GRAPHENE, POWDER COMPRISING LINKED STACKS OF PARTLY REDUCED GRAPHENE, GRAPHENE ELECTRODE FILM, METHOD FOR PRODUCING GRAPHENE ELCETRODE FILM, AND GRAPHENE CAPACITOR
METHODS FOR MANUFACTURING GRAPHENE BASED MATERIAL
Patent
Atlas literature
Patent
US 9,961,902Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 4 represents the fourier transform-infrared (FT-IR) spectrum of the antimicrobial material MRGOGA. [0030] FIG 5 represents a hysteresis curve of RMG by …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A met h od of synthesizing an antibacterial material (RMG) for photother m al killing of bacteria by converting light irradiation to emit heat comprising of following steps: allowing a plurality of graphite flakes to react with sulfuric acid, potassium permanganate and sodium nitrate; adding hydrogen peroxide for the removal of unreacted metal ions to obtain a plurality of pure graphene oxide (GO); preparing a suspension of GO by exfoliating the GO in a d e -ionized (DI) water; dissolving Iron (III) chloride hexahydrate and iron (II) chloride tetrahydrate with a ratio of 2:1 in the DI water, then adding an iron-containing solution into the suspension; adding ammonia solution into the suspension to yield a plurality of F e Q 4 nanoparticles; using hydrazine to reduce GO and modify Fe 3 Q 4 nanoparticles modified on the graphene from GO; and SVG 15076157.12-26-2017.JBOAM₅OHRXEAPX2.CLM.1.svg 0.17 5.92 Black and white modifying an aldehyde onto the surface of the graphene with the Fe 3 O 4 nanoparticles l- to obtain the RMG; as shown in t h e RMG, wherein R represents the ald e hyde, M is the Fe 3 O 4 nanoparticles, and G is the graphene. Currently amended
The method according to claim 1, wherein the aldehyde is glutaraldehyde. Currently amended
Canceled
Canceled
A method of using an antibacterial material comprising of following steps: interacting the antibacterial material RMG with bacteria, thereby capturing the bacteria with the antibacterial material; and irradiating the antibacterial material and captured bacteria with a light source, wherein R is ald c hyde, di-aldehyde, or multi-aldehyde, M is a magnetic material, and G is reduced graphene oxide. Withdrawn
The method according to claim 5, further comprising the following steps: after the step of interacting the antibacterial material, utilizing a magnet to attract the antibacterial material along with the captured bacteria, before irradiating the antibacterial material and the captured bacteria with the light source. Withdrawn
The method according to claim 5, wherein the light source is a visible/near infrared light source. Withdrawn
Materials described outside the worked examples.
graphene oxide
graphite flakes
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4 represents the fourier transform-infrared (FT-IR) spectrum of the antimicrobial material MRGOGA. [0030] FIG 5 represents a hysteresis curve of RMG by …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Fe3O4 nanoparticle size | — | Fe₃O₄ |
NIR light irradiation wavelength for photothermal antibacterial activity | — |
Related documents with shared materials, methods, properties, or citations.
LINKED STACKS OF PARTLY REDUCED GRAPHENE, METHOD FOR PRODUCING LINKED STACKS OF PARTLY REDUCED GRAPHENE, POWDER COMPRISING LINKED STACKS OF PARTLY REDUCED GRAPHENE, GRAPHENE ELECTRODE FILM, METHOD FOR PRODUCING GRAPHENE ELCETRODE FILM, AND GRAPHENE CAPACITOR
METHODS FOR MANUFACTURING GRAPHENE BASED MATERIAL
Patent
Atlas literature
Patent
US 9,961,902Patent drawings and their descriptions. Click a drawing to enlarge it.
FIG. 4 represents the fourier transform-infrared (FT-IR) spectrum of the antimicrobial material MRGOGA. [0030] FIG 5 represents a hysteresis curve of RMG by …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A met h od of synthesizing an antibacterial material (RMG) for photother m al killing of bacteria by converting light irradiation to emit heat comprising of following steps: allowing a plurality of graphite flakes to react with sulfuric acid, potassium permanganate and sodium nitrate; adding hydrogen peroxide for the removal of unreacted metal ions to obtain a plurality of pure graphene oxide (GO); preparing a suspension of GO by exfoliating the GO in a d e -ionized (DI) water; dissolving Iron (III) chloride hexahydrate and iron (II) chloride tetrahydrate with a ratio of 2:1 in the DI water, then adding an iron-containing solution into the suspension; adding ammonia solution into the suspension to yield a plurality of F e Q 4 nanoparticles; using hydrazine to reduce GO and modify Fe 3 Q 4 nanoparticles modified on the graphene from GO; and SVG 15076157.12-26-2017.JBOAM₅OHRXEAPX2.CLM.1.svg 0.17 5.92 Black and white modifying an aldehyde onto the surface of the graphene with the Fe 3 O 4 nanoparticles l- to obtain the RMG; as shown in t h e RMG, wherein R represents the ald e hyde, M is the Fe 3 O 4 nanoparticles, and G is the graphene. Currently amended
The method according to claim 1, wherein the aldehyde is glutaraldehyde. Currently amended
Canceled
Canceled
A method of using an antibacterial material comprising of following steps: interacting the antibacterial material RMG with bacteria, thereby capturing the bacteria with the antibacterial material; and irradiating the antibacterial material and captured bacteria with a light source, wherein R is ald c hyde, di-aldehyde, or multi-aldehyde, M is a magnetic material, and G is reduced graphene oxide. Withdrawn
The method according to claim 5, further comprising the following steps: after the step of interacting the antibacterial material, utilizing a magnet to attract the antibacterial material along with the captured bacteria, before irradiating the antibacterial material and the captured bacteria with the light source. Withdrawn
The method according to claim 5, wherein the light source is a visible/near infrared light source. Withdrawn
Materials described outside the worked examples.
graphene oxide
graphite flakes
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
FIG. 4 represents the fourier transform-infrared (FT-IR) spectrum of the antimicrobial material MRGOGA. [0030] FIG 5 represents a hysteresis curve of RMG by …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
Fe3O4 nanoparticle size | — | Fe₃O₄ |
NIR light irradiation wavelength for photothermal antibacterial activity | — |
Related documents with shared materials, methods, properties, or citations.
LINKED STACKS OF PARTLY REDUCED GRAPHENE, METHOD FOR PRODUCING LINKED STACKS OF PARTLY REDUCED GRAPHENE, POWDER COMPRISING LINKED STACKS OF PARTLY REDUCED GRAPHENE, GRAPHENE ELECTRODE FILM, METHOD FOR PRODUCING GRAPHENE ELCETRODE FILM, AND GRAPHENE CAPACITOR
METHODS FOR MANUFACTURING GRAPHENE BASED MATERIAL
Iron (III) chloride hexahydrate
FeCl3·6H₂O
Iron (II) chloride tetrahydrate
FeCl2·4H₂O
glutaraldehyde
Fe₃O₄ nanoparticles
Fe₃O₄
reduced graphene oxide
RMG antibacterial material
hydrazine
N₂H₄
ammonia solution
sulfuric acid
H₂SO₄
potassium permanganate
KMnO₄
sodium nitrate
NaNO₃
hydrogen peroxide
H₂O₂
Thickness | 5–8 nm | — |
Iron (III) chloride hexahydrate
FeCl3·6H₂O
Iron (II) chloride tetrahydrate
FeCl2·4H₂O
glutaraldehyde
Fe₃O₄ nanoparticles
Fe₃O₄
reduced graphene oxide
RMG antibacterial material
hydrazine
N₂H₄
ammonia solution
sulfuric acid
H₂SO₄
potassium permanganate
KMnO₄
sodium nitrate
NaNO₃
hydrogen peroxide
H₂O₂
Thickness | 5–8 nm | — |
Iron (III) chloride hexahydrate
FeCl3·6H₂O
Iron (II) chloride tetrahydrate
FeCl2·4H₂O
glutaraldehyde
Fe₃O₄ nanoparticles
Fe₃O₄
reduced graphene oxide
RMG antibacterial material
hydrazine
N₂H₄
ammonia solution
sulfuric acid
H₂SO₄
potassium permanganate
KMnO₄
sodium nitrate
NaNO₃
hydrogen peroxide
H₂O₂
Thickness | 5–8 nm | — |
Iron (III) chloride hexahydrate
FeCl3·6H₂O
Iron (II) chloride tetrahydrate
FeCl2·4H₂O
glutaraldehyde
Fe₃O₄ nanoparticles
Fe₃O₄
reduced graphene oxide
RMG antibacterial material
hydrazine
N₂H₄
ammonia solution
sulfuric acid
H₂SO₄
potassium permanganate
KMnO₄
sodium nitrate
NaNO₃
hydrogen peroxide
H₂O₂
Thickness | 5–8 nm | — |