Comparison of Performance of Photodiodes with Different Active Areas Using Acrylic and Quartz Cuvettes for Spectrophotometry in Direct Measurements of Glucose in Water and Human Blood Plasma by Optical Means Using Near-Infrared

Table 7

Glucose measurement in human blood plasma samples 1, 2, and 3.

Glucose concentration (mg/dl)	Voltage using sample 1 (V)	Decrease using sample 1 (mV)	Voltage using sample 2 (V)	Decrease using sample 2 (mV)	Voltage using sample 3 (V)	Decrease using sample 3 (mV)
100	3.251	NA	3.277	NA	3.343	NA
200	3.218	33	3.241	36	3.312	31
300	3.196	22	3.213	28	3.287	25
400	3.181	15	3.194	19	3.259	28
500	3.162	19	3.17	24	3.247	12
600	3.123	39	3.156	14	3.225	22
700	3.114	9	3.13	26	3.202	23
800	3.093	21	3.109	21	3.187	15
900	3.067	26	3.091	18	3.153	34
1000	3.055	12	3.07	21	3.137	16