09/09/13

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Latest revision as of 10:36, 10 September 2013

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Miniprep of overnight broth

Following on from 06/09/13 result,overnight broth was prepared yesterday from the single colonies that had grown on each of the 2 plates shown on 06/09/13.
The broth, which contains cells that have been transformed with pSB1C3/TOD genes, was minipreped using the Omega Bio-Tek kit.
This would enable us to confirm which cells have the recircularised plasmid and those with the ligated product.

Measurement of DNA concentration

Samples	Volume (ul)	Conc (ng/ul)	280/260	260/280
TOD X1	31.6	86.5	1.87	1.92
TOD X2	31.7	58.7	1.89	1.26
TOD X3	32.7	56.6	1.91	1.88
TOD X4	31.6	55.8	1.88	1.65
TOD X5	31.7	44.4	1.87	1.78
TOD X6	31.7	70.5	1.88	1.88

TOD F1	32.4	39.6	1.91	1.59
TOD F2	33.7	49.4	1.91	1.65
TOD F3	32.3	47.4	1.89	1.71
TOD F4	31.6	43.7	1.94	1.73
TOD F5	36.5	57	1.89	1.50
TOD F6	38	59.4	1.89	1.61

TOB G1	36.8	72.5	1.89	1.51
TOB G2	44.7	1.90	1.90	1.65
TOB G3	33.7	50.2	1.90	1.46
TOB G4	41.9	55	1.93	1.35
TOB G5	34	43	1.96	1.54
TOB G6	35	48	1.89	1.72

DNA concentration was measured using Nanodrop.

Double Digestion of pSB1C3/TOD genes

The pSB1C3/TOD genes were double digested with (XbaI and SpeI) & (EcoRI and PstI)
The master mix for the (XbaI and SpeI) was;

60ul of cut smart buffer 5ul of XbaI 10ul of SpeI 273ul of 5M Tris

The master mix for the (EcoRI and PstI) was;

60ul of cut smart buffer 5ul of XbaI 5ul of SpeI 278ul of 5M Tris

All 36 tubes were incubated overnight in 37 degrees room.

Tomorrow the plasmids that were isolated from the miniprep would be run on a 1% agarose gel to distinguish between cells that have the pSB1C3/TOD genes from those that have the recircularised pSB1C3 vector.

Meanwhile the plasmids from the miniprep were sent for sequencing this afternoon.

Dissolution of polystyrene in Limonene

This experiment was set up to decide how much limonene can economically dissolve polystyrene.

MATERIALS USED

20ml solution of 25% limonene.
8cm x 5cm x 2cm polystyrene block (thus volume of 80cm^3)

RESULT

It took ~33 minutes for the block to be completely dissolved

@@ Line 19: / Line 19: @@
 ==Measurement of DNA concentration==
+{| border=1
+|Samples ||Volume (ul)||Conc (ng/ul)||280/260||260/280
+|-
+|TOD X1||31.6||86.5||1.87||1.92
+|-
+|TOD X2||31.7||58.7||1.89||1.26
+|-
+|TOD X3||32.7||56.6||1.91||1.88
+|-
+|TOD X4||31.6||55.8||1.88||1.65
+|-
+|TOD X5||31.7||44.4||1.87||1.78
+|-
+|TOD X6||31.7||70.5||1.88||1.88
+|-
+|
+|-
+|TOD F1||32.4||39.6||1.91||1.59
+|-
+|TOD F2||33.7||49.4||1.91||1.65
+|-
+|TOD F3||32.3||47.4||1.89||1.71
+|-
+|TOD F4||31.6||43.7||1.94||1.73
+|-
+|TOD F5||36.5||57||1.89||1.50
+|-
+|TOD F6||38||59.4||1.89||1.61
+|-
+|
+|-
+|TOB G1||36.8||72.5||1.89||1.51
+|-
+|TOB G2||44.7||1.90||1.90||1.65
+|-
+|TOB G3||33.7||50.2||1.90||1.46
+|-
+|TOB G4||41.9||55||1.93||1.35
+|-
+|TOB G5||34||43||1.96||1.54
+|-
+|TOB G6||35||48||1.89||1.72
+|}
+DNA concentration was measured using Nanodrop.
 ==Double Digestion of pSB1C3/TOD genes==
@@ Line 38: / Line 83: @@
 * Tomorrow the plasmids that were isolated from the miniprep would be run on a 1% agarose gel to distinguish between cells that have the pSB1C3/TOD genes from those that have the recircularised pSB1C3 vector.
+* Meanwhile the plasmids from the miniprep were sent for sequencing this afternoon.
+==Dissolution of polystyrene in Limonene==
+*This experiment was set up to decide how much limonene can economically dissolve polystyrene.
+ MATERIALS USED
+*20ml solution of 25% limonene.
+*8cm x 5cm x 2cm polystyrene block (thus volume of 80cm^3)
+ RESULT
+* It took ~33 minutes for the block to be completely dissolved