Automated Immuno-Stain Developer for Western Blotting

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Solution Overview

Problem

Western blotting processes are labor-intensive and wasteful due to the need for manual manipulation of reagents like antibodies, which are susceptible to degradation and expensive, requiring large volumes and multiple handling steps.

Innovation Solution

An automated developer system with a processor-controlled platform, syringe holders, temperature control, and a rocking mechanism that minimizes manual handling by automatically delivering and agitating reagents, reducing waste and optimizing reagent usage through controlled addition and removal of antibodies and buffers.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual manipulation of reagents is used, then flexibility and adaptability are maintained, but labor intensity increases and reagent waste increases

Engineering Contradiction:
Improvemanual manipulation flexibilityVSAvoidlabor intensity
Core Design Contradiction:
Ease of operationVSProductivity

Solution Approach 1:

The system enables self-service automation where the automated developer performs all manual operations including reagent addition, incubation, washing, and detection steps without human intervention, thereby reducing labor intensity while maintaining operational flexibility through programmable control

Inventive Principle:
Principle #25Self-service

2Quantity of substance

If large volumes of reagents are used, then sufficient reagent supply is ensured, but reagent waste increases and cost increases

Engineering Contradiction:
Improvereagent supply sufficiencyVSAvoidreagent waste
Core Design Contradiction:
Quantity of substanceVSLoss of substance

Solution Approach 1:

The system extracts and eliminates unnecessary manual handling steps that cause reagent loss, using automated precision dispensing to deliver exact required volumes of reagents without spillage or contamination, thereby reducing reagent waste while maintaining sufficient supply

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The system recovers and reuses reagents by implementing automated washing and incubation cycles that minimize reagent consumption, allowing the same reagent volumes to be used multiple times across different samples, thereby reducing both waste and cost

Inventive Principle:
Principle #34Discarding and recovering

3Manufacturing precision

If multiple manual handling steps are performed, then reagent precision can be maintained, but time consumption increases

Engineering Contradiction:
Improvereagent precisionVSAvoidprocessing time
Core Design Contradiction:
Manufacturing precisionVSLoss of time

Solution Approach 1:

The system implements continuous automated processing where reagent addition, incubation, washing, and detection steps are performed sequentially without interruption or manual intervention, maintaining precision through controlled automated dispensing while significantly reducing total processing time compared to manual step-by-step operations

Inventive Principle:
Principle #20Continuity of useful action

4Stability of the object's composition

If reagents are kept in cold solution, then reagent stability is maintained, but reagent accessibility and ease of use decreases

Engineering Contradiction:
Improvereagent stabilityVSAvoidreagent accessibility
Core Design Contradiction:
Stability of the object's compositionVSEase of operation

Solution Approach 1:

The system performs preliminary cooling of reagents to stable temperatures before use, maintaining reagent stability through pre-chilling storage compartments, while the automated system handles the complexity of temperature control so that reagent accessibility remains ease of use without requiring manual temperature management

Inventive Principle:
Principle #10Preliminary action

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The automated system significantly reduces labor and reagent waste, ensures precise temperature control for reagents, and allows for simultaneous processing of multiple samples with different incubation times, enhancing the efficiency and accuracy of Western blotting.

Implementation Method 1

a temperature control device configured to control the temperature of the reagent within the syringe

Methodology Applied
Scientific EffectTemperature control:

Implementation Method 2

a stirrer configured to agitate the reagent within the syringe

Methodology Applied
Scientific EffectAgitation: Stirring

Implementation Method 3

a motorized syringe pusher configured to mechanically force the reagent from within the syringe barrel, through the entry port into the incubation box

Methodology Applied
Scientific EffectMechanical force: Mechanical Force

Implementation Method 4

a rocking mechanism that minimizes manual handling by automatically delivering and agitating reagents

Methodology Applied
Scientific EffectRocking agitation: Stirring

Data Source

PatentUS9250164B2Automated developer for immuno-stained biological samples
Publication Date: 2016.02.02 VERTEX PHARMACEUTICALS INC
  • US9250164B2 patent drawing
  • US9250164B2 patent drawing
  • US9250164B2 patent drawing

AI summary

Disclosed herein are systems and methods for the developing of immuno-stained biological samples. The systems disclosed herein are automated and are configured to control one or more steps of the developing procedure. Reagents may be added using automatic syringe dispensing. Reagent temperature, reagent stirring, and wash procedures are programmable and can be separately controlled for separate immuno-staining procedures that are performed at the same time.