Cost-effective Method in Healthcare

Paper Evaluation
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Please review a paper based on microfluidics that uses the microscale nature of the device to gain a new capability for investigating cell physiology or tests a specific question in this area. The physiological system is entirely up to you, we want to hear where your interests lead!
Premise:
The paper focuses on a cost-effective method to represent a three-dimensional (3D) tumor models using a 3D printed mask and the clamping system and focusing on microspot arrays and consequent cell loading (Samara, et al., 2021). The researchers were able to create 3D arrays of cryopreserved tumor models making it possible to observe the cells. 3 D tumor models can be made using the researchers’ approach where there is then high-throughput cell analysis to study the effects and efficacy of cancer drugs. The researchers explain the method that is adequately covered. 
Advance / Hypothesis
The paper-based 3D models are effective for drug screening, investigating tumor response, and cell response to drugs. Paper-based 3 D microfluidic applications are potentially useful to study 3 D cell models and cancer diagnostics Approach
There was a focus on cre...