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DIY Bis-Tris Gels

Bitesize Bio gives some tips on how to improve your SDS-PAGE protein gels. For many reasons, including the fact that they reduce the formation of disulphide bonds and thereby prevent cross-linking, Bala says Bis-Tris gel buffers work better than the conventional SDS-PAGE gels and gives a quick protocol for how to create them.

The Scan

Pig Organ Transplants Considered

The Wall Street Journal reports that the US Food and Drug Administration may soon allow clinical trials that involve transplanting pig organs into humans.

'Poo-Bank' Proposal

Harvard Medical School researchers suggest people should bank stool samples when they are young to transplant when they later develop age-related diseases.

Spurred to Develop Again

New Scientist reports that researchers may have uncovered why about 60 percent of in vitro fertilization embryos stop developing.

Science Papers Examine Breast Milk Cell Populations, Cerebral Cortex Cellular Diversity, Micronesia Population History

In Science this week: unique cell populations found within breast milk, 100 transcriptionally distinct cell populations uncovered in the cerebral cortex, and more.