# A Low-Cost and Portable Smart Instrumentation for Detecting Colorectal Cancer Cells
## 3 Results and Discussion
\begin{table}
\begin{tabular}{c c c} \hline \hline
**Components Used** & **Model/Specifications** & **Estimated Cost (USD)** \\ \hline Filter [29] & 700 nm & 150 \\
3D printed chamber & Printed with CR-10 & 30 \\
16 \(\times\) 2 LCD display [22] & HC1624, 5 V, 16 \(\times\) 2 & 3.90 \\ Breadboard with wires [30] & Microtivity & 6.09 \\ Microcontroller [21] & Arduino Uno R3 & 16.90 \\ Flashlight [18] & UltraFire C8 & 6.58 \\ Photodiode [19] & Mouser, 720-SFH203 & 0.94 \\ Flashlight holder [31] & Any cell phone holder with clip & 10 \\
**Total** & **224.37** \\ \hline \hline \end{tabular}
\end{table} 
Table 1: List of major components required to construct the proposed device. \begin{table}
\begin{tabular}{c|c c c c c c c c} \hline \hline \multirow{2}{*}{**Work.**} & \multirow{2}{*}{**Weight (Bg)**} & \multirow{2}{*}{**Dimension (cm)**} & \multicolumn{2}{c}{**Cost**} & \multirow{2}{*}{**Target of Interest**} & \multicolumn{2}{c}{**Sandalione/Needs pc**} & \multirow{2}{*}{**Power Source**} \\  & & & & **(USD)** & & & **with Software** & \\ \hline \multirow{5}{*}{Image Based} & [PERSON] et al. (2013) & 3 & 27 \(\times\) 20 \(\times\) 10 & Not known & Tuberculosiss & Needs PC & Battery Powered \\ \cline{2-7}  & [PERSON] et al. (2017) (2021) & Not known & 17 \(\times\) 8 \(\times\) 31 & 520 & Imaging Assays & Needs PC & \(\Gamma\)or analysis & AC powered \\ \cline{2-7}  & [PERSON] et al. (2016) [7] & 0.13 & 11 \(\times\) 6 \(\times\) 15 & 5308 & Breast Cancer & Needs PC & \\ \cline{2-7}  & [PERSON] et al. (2013) [33] & Not known & Not known & 572.03 \(\times\) 2 & Living cells & Standalone & Battery Powered \\ \cline{2-7}  & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \\ \cline{2-7}  & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & & \\ \cline{2-7}  & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & & \\ \cline{2-7}  & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & \multicolumn{1}{c}{} & & \\ \hline \multirow{5}{*}{Signal Based} & Commercial microscope & 33 & 93.98 \(\times\) 134.62 \(\times\) 157.48 & 580.065.42 & Multiple & Needs PC & AC powered \\ \cline{2-7}  & [PERSON] et al. (2015) [13] & Not known & 4 \(\times\) 4 \({}^{**}\) & 53300 & Chlorophyll & Needs auxiliary & AC powered \\ \cline{2-7}  & [PERSON] et al. (2017) [8] & Not known & Not known & 572.44 & Chlorophyll & Standalone/ needs pc & AC powered \\ \cline{2-7}  & [PERSON] et al. (2017) [8] & Not known & 76 \(\times\) 7 \(\times\) 12.7 & \(<\)5800 & Chlorophyll & Needs a pc with software & AC powered \\ \cline{2-7}  & \multicolumn{1}{c}{} & Commercial fluorometer & 55 & 104 \(\times\) 59 \(\times\) 32 & Not known & Multiple & Needs pc with software & AC powered \\ \cline{2-7}  & [PERSON] et al. (2016) [39] & Not known & 22 \(\times\) 100 \(\times\) 5.3 & \(>\)5170 \({}^{*}\) & Escherichia & Standalone & \(\dfrac{\text{AC}/\text{Battery}}{\text{powered}}\) \\ \cline{2-7}  & [PERSON] et al. (2017) [11] & 0.108 & 52 \(\times\) 35 \(\times\) 2.5 & Not known & Cyanobacteria & Standalone & \(\dfrac{\text{AC}/\text{Battery}}{\text{powered}}\) \\ \cline{2-7}  & Proposed Device & 0.16 & 8 \(\times\) 4 \(\times\) 3.24 & 5224.37 & Colorectal Cancer & Standalone & \(\dfrac{\text{AC}/\text{Battery}}{\text{powered}}\) \\ \hline \hline \end{tabular}
* Not reported in detail. The total cost was calculated based on the list of equipment provided in the manuscript; ** height is not mentioned in the manuscript; ** weight and dimension is without considering laser source or sample vial; \({}^{*}\) Size of sample chamber.  
\end{table} 
Table 2: Comparison of the developed device with other devices in market or in research.