1.   The ceramics -- cables encased in a sheath of liquid nitrogen -- are being developed for power generation and other machinery applications.

2.   ...liquid nitrogen.

3.   A thin rubber rod is wound round a cylinder to create the shape of a spring and then frozen in this shape using liquid nitrogen.

4.   The first half was frozen in liquid nitrogen in OCT embedding medium.

5.   For immunocytochemical analysis, mucosae were oriented on dental wax, embedded in OCT compound, snap frozen in melting isopentane, and stored in a liquid nitrogen Dewar.

6.   The specimens were frozen immediately in liquid nitrogen and subjected to autofluorescence microscopy.

7.   All samples were snap frozen in liquid nitrogen.

8.   At both operations, biopsies from the tumour and non-tumour liver tissue were collected and snap frozen in liquid nitrogen.

9.   Tissue samples were snap frozen in liquid nitrogen or on dry ice in a cryoprotective broth and stored frozen.

10.   Analysts said that the condition is generally treated by freezing the lesions with liquid nitrogen, which is painful and can cause scarring.