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Table 2 6Li/7Li ratio and 6δ in Chlamydomonas reinhardtii cultures and chemical control experiments

From: An exploratory study on the possibilities of microalgal biotechnology to obtain the essential 6Li isotope as fusion fuel

Time (days)

Replicates

Li mass in cells pellet µg

6Li/7Li ± SD Chlamydomonas reinhardii

6Li/7Li ± SD Chemical control

6δ(‰) Pellet/supernatant

6δ(‰) Pellet/chemical control

Pellet

Supernatant

0

1

8.4

0.0827 ± 0.0011

0.0821 ± 0.0015

0.0821 ± 0.0012

7.3081

7.3081

2

12

0.0826 ± 0.0008

0.0822 ± 0.0012

0.0821 ± 0.0013

4.8661

6.0901

3

5.9

0.0839 ± 0.0014

0.0819 ± 0.0010

0.0823 ± 0.0011

24.4200

19.4410

Mean ± SD

 

8.95 ± 4.31

0.0831 ± 0.0001

0.0821 ± 0.0002

0.0822 ± 0.0001

12.1981

10.9533

7

1

26

0.0824 ± 0.0015

0.0823 ± 0.0008

0.0822 ± 0.0017

1.2150

2.4330

2

68

0.0834 ± 0.0013

0.0820 ± 0.0012

0.0820 ± 0.0011

17.0731

17.0731

3

13

0.0829 ± 0.0014

0.0821 ± 0.0011

0.0821 ± 0.0015

9.7442

9.7442

Mean ± SD

 

36 ± 28.74

0.0829 ± 0.0005

0.0822 ± 0.0001

0.0821 ± 0.0001

9.3344

9.7442

14

1

20

0.0831 ± 0.0008

0.0819 ± 0.0014

0.0823 ± 0.0010

14.6520

9.7205

2

27

0.0825 ± 0.0013

0.0815 ± 0.0014

0.0823 ± 0.0013

12.2699

2.4301

3

31

0.0830 ± 0.0013

0.0820 ± 0.0014

0.0820 ± 0.0007

12.1951

12.1951

Mean ± SD

 

26 ± 5.56

0.0829 ± 0.0003

0.0818 ± 0.0003

0.0822 ± 0.0001

13.0399

8.1103

21

1

203

0.0827 ± 0.0014

0.0820 ± 0.0013

0.0820 ± 0.0013

8.5365

8.5365

2

225

0.0824 ± 0.0014

0.0819 ± 0.0009

0.0821 ± 0.0009

6.1050

3.6540

3

192

0.0826 ± 0.0008

0.0822 ± 0.0011

0.0818 ± 0.0011

4.8661

9.7799

Mean ± SD

 

207 ± 16.80

0.0826 ± 0.0003

0.0821 ± 0.0002

0.0820 ± 0.0001

6.5014

7.3200