ELISA kit standard curve drawing method

Various drawing software can be used to draw ELISA standard curve. The following uses "Curve Expert1.4" software as an example, the method of drawing ELISA standard curve is as follows; 1. Start "Curve Expert1.4" (Curve Expert1.4 free download.zip 2. Enter the OD value of the.....

The difference between spruce and fir

The difference between spruce and fir morphology: 1. The spruce leaves are quadrangular strips; the fir leaves are flat strips. 2, spruce has leaf pillow; fir has no leaf pillow, leaves have leaf marks after falling off. 3. In the color of the leaves, the firs are brighter .....