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Table 1 Calculation of the values of the α-NiS nanosphere films for detecting 20 μM glucose for average stability, standard deviation (SD), and reusability

From: Manipulating the Temperature of Sulfurization to Synthesize α-NiS Nanosphere Film for Long-Term Preservation of Non-enzymatic Glucose Sensors

Time of test

Average of the initial current at 1 s (mA)

Stability of specimen 1 at 1 min (mA/min)

Stability of specimen 2 at 1 min (mA/min)

Average value of stability 13 and 14 times (mA/min)

Standard deviation (SD) value 13 and 14 times (mA/min)

Reusability (SD ≤ 0.002)

1st

0.442

0.003

0.004

   

2nd

0.444

0.003

0.004

   

3rd

0.440

0.004

0.005

   

4th

0.443

0.004

0.006

   

5th

0.441

0.005

0.006

   

6th

0.439

0.004

0.007

   

7th

0.438

0.005

0.007

   

8th

0.441

0.005

0.008

0.006/0.011

0.002/0.019

13

9th

0.439

0.005

0.008

   

10th

0.438

0.005

0.009

   

11th

0.437

0.006

0.009

   

12th

0.436

0.008

0.010

   

13th

0.434

0.009

0.011

   

14th

0.391

0.069

0.084

   

15th

0.308

0.109

0.128

   
  1. N = 2

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