Table 1 Comparison of recent passive-driven approach of nucleic acid amplification microfluidic device.

From: Passively driven microfluidic device with simple operation in the development of nanolitre droplet assay in nucleic acid detection

Technology

Amplification technique

Material used

Sealed method

Auxiliaries involved

Characteristic of assay

References

Centrifugal Microfluidic Platform

PCR

Polymethyl methacrylate (PMMA)

Mineral oil injection

Rotary motor

HBV detection from whole blood based on centrifugal microfluidic platform. Pipette injection with mineral oil

35

Smartphone-based multiplex test

LAMP

Sillicon wafer with SiO2 film as microfluidic channel

Sealed with double side adhesive layer and covered with glass on top

Pipette

Fluorescence images of LAMP amplification reaction were taken by a smartphone

37

SlipChip/ sp-SlipChip

LAMP

Two layer of glass plate

Lubricating oil were placed between two plates

Pipette

Reagent self-partition into individual droplets driven by surface tension-driven with slipping the two plate

38,39

Self-driven microfluidic chip

LAMP

PDMS with hydrophilic UV cured glue

Closed the channel with air-control channel via vacuum system

Pipette, electro-magnetic valves, compact vacuum pump

Hydrophilic surface drives the LAMP reagent flow into the channel

40

MF-LAMP

LAMP

PDMS, Glass

Mineral oil injection and outer channel surrounded

Pipette

Capillary channel controls the fluid exchange, partition, sealed process avoiding water loss in the device

This study