# US 2025/0147015 A1 · Protein analysis platform and use thereof

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- Number: US 2025/0147015 A1
- Document ID: US20250147015A1
- Status: Published application
- Kind: A1
- Application number: 18/941,070
- Filed: 2024-11-08
- Published: 2025-05-08
- Earliest claimed: 2023-11-08
- Assignees: National Taiwan University
- Applicants: National Taiwan University
- Inventors: AN-BANG WANG; WEI-WEN LIU; SI-TSE JIANG; CHIA-WEI HSU; TING-CHI HUANG
- Web page: https://patentgrep.com/patent/US20250147015A1

## CPC

- G01N 33/54373: {involving physiochemical end-point determination, e.g. wave-guides, FETS, gratings}
- B01L 3/502761: {specially adapted for handling suspended solids or molecules independently from the bulk fluid flow, e.g. for trapping or sorting beads or physically stretching molecules}
- G01N 33/6803: {General methods of protein analysis not limited to specific proteins or families of proteins}
- B01L 2200/0652: Sorting or classification of particles or molecules
- B01L 2300/069: Absorbents; Gels to retain a fluid
- B01L 2400/0421: electrophoretic flow
- G01N 2474/10: Immunoblots, e.g. Western blot or Dot blot
- G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q)
- B01L: CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE

## Abstract

A protein analysis platform includes a platform body comprising: a gel working unit provided in a top portion of the platform body and comprising a gel accommodation area for accommodating at least one gel; at least one electrophoresis tank provided along a side of the gel accommodation area and provided with at least one electrode; and a blotting layer stack provided in a bottom portion of the gel working unit and comprising an electrode layer; wherein a removable bottom plate is provided between the gel working unit and the blotting layer stack and detachably corresponds to a bottom side of the gel accommodation area. The protein analysis platform is used for western blotting or next-generation western blotting, wherein the protein analysis platform can quickly complete steps such as gel casting, electrophoresis, and blotting in one platform.

## Claims

### Claim 1

A protein analysis platform, comprising:
a platform body comprising:
a gel working unit provided in a top portion of the platform body and comprising a gel accommodation area for accommodating at least one gel;
at least one electrophoresis tank provided along a side of the gel accommodation area and provided with at least one electrode; and
a blotting layer stack provided in a bottom portion of the gel working unit and comprising an electrode layer, wherein a removable bottom plate is provided between the gel working unit and the blotting layer stack and detachably corresponds to a bottom side of the gel accommodation area.

### Claim 2 (depends on 1)

The protein analysis platform of claim 1, wherein the gel working unit further comprises an upper cover plate, and wherein the upper cover plate is detachably provided above the gel accommodation area.

### Claim 3 (depends on 2)

The protein analysis platform of claim 2, wherein the gel working unit further comprises at least one upper cover plate locking element, and wherein the upper cover plate locking element is provided on at least one side of the gel working unit to press the upper cover plate toward the gel accommodation area.

### Claim 4 (depends on 1)

The protein analysis platform of claim 1, wherein the gel working unit further comprises a lateral baffle plate, and wherein the lateral baffle plate is detachably provided between the gel accommodation area and the electrophoresis tank.

### Claim 5 (depends on 4)

The protein analysis platform of claim 4, wherein the lateral baffle plate comprises an elastic layer provided in such a way that the elastic layer faces the gel accommodation area, and wherein the elastic layer comprises rubber, plastic, or silicone.

### Claim 6 (depends on 4)

The protein analysis platform of claim 4, wherein the gel working unit further comprises at least one lateral baffle plate locking element, and wherein the lateral baffle plate locking element is provided on at least one side of the gel working unit to press the lateral baffle plate toward the gel accommodation area.

### Claim 7 (depends on 1)

The protein analysis platform of claim 1, wherein the blotting layer stack further comprises a filter paper layer and a sponge layer, wherein the filter paper layer is provided above the electrode layer, and wherein the sponge layer is provided between the filter paper layer and the electrode layer.

### Claim 8 (depends on 1)

The protein analysis platform of claim 1, wherein the platform body further comprises a second blotting layer stack provided above the gel working unit, wherein the second blotting layer stack comprises a second electrode layer and a polymer membrane layer, and wherein the second electrode layer is provided above the polymer membrane layer.

### Claim 9 (depends on 8)

The protein analysis platform of claim 8, wherein the polymer membrane layer comprises polyvinylidene difluoride (PVDF).

### Claim 10 (depends on 8)

The protein analysis platform of claim 8, wherein the second blotting layer stack further comprises a second filter paper layer and a second sponge layer, wherein the second filter paper layer is provided between the second electrode layer and the polymer membrane layer, and wherein the second sponge layer is provided between the second filter paper layer and the second electrode layer.

### Claim 11 (depends on 8)

The protein analysis platform of claim 8, wherein the second blotting layer stack further comprises a blotting layer stack locking element provided above the second electrode layer and configured to be pressed toward the gel accommodation area.

### Claim 12 (depends on 8)

The protein analysis platform of claim 8, wherein the electrode layer and the second electrode layer comprise platinum or titanium.

### Claim 13 (depends on 1)

protein analysis platform of claim 1, wherein the removable bottom plate is a rubber plate, a plastic plate, a glass plate, a ceramic plate, or a ceramic composite substrate.

### Claim 14 (depends on 13)

The protein analysis platform of claim 13, wherein the removable bottom plate is the ceramic composite substrate, wherein the ceramic composite substrate comprises a ceramic substrate and a film, wherein the film is provided on an upper surface of the ceramic substrate, and wherein the ceramic substrate comprises alumina or aluminum nitride.

### Claim 15 (depends on 14)

The protein analysis platform of claim 14, wherein the film comprises polytetrafluoroethylene (PTFE).

### Claim 16 (depends on 1)

The protein analysis platform of claim 1, wherein the platform body has a lateral side provided with a removable bottom plate accommodation groove for accommodating the removable bottom plate.

### Claim 17 (depends on 1)

The protein analysis platform of claim 1, wherein the platform body further comprises a heat dissipation bottom plate provided under the blotting layer stack.

### Claim 18 (depends on 17)

The protein analysis platform of claim 17, wherein the heat dissipation bottom plate is an alumina ceramic bottom plate, an aluminum nitride ceramic bottom plate, a thermoelectric cooling chip, or cooling fins.

### Claim 19 (depends on 17)

The protein analysis platform of claim 17, wherein the platform body is peripherally provided with at least one supporting pillar for elevating the heat dissipation bottom plate.

### Claim 20 (depends on 1)

A use of the protein analysis platform of claim 1, wherein the protein analysis platform is used for western blot method or a next-generation western blot method.
