4′-Pentyl-4-biphenylcarbonitrile, a nematic liquid crystal (5CB), was obtained from Sigma-Aldrich (no. 328510). Poly(vinyl alcohol) (PVA) was sourced from Sigma-Aldrich (no. P8136). The green dye ...

Next, we prepared a digestion solution by mixing a 0.1% trypsin (Sigma-Aldrich, T1426-500MG, St. Louis, MO, USA) with the 0.035 M PBS solution. The sample was then placed in this digestion solution at ...

On Monday, Sigma introduced its latest full-frame mirrorless digital camera—the BF—with a radically simple design. Featuring a 24.6 MP full-frame (35mm) sensor, it has just three physical buttons, ...

Unfortunately, he was unmasked by the CIA turncoat Aldrich Ames three years later. Martynov was executed for treason in 1987. This was somehow spun by online ignoramuses that Coristine was ...

Here’s how it works. If you're looking for a lightweight lens that can do everything from super wide-angle landscapes to telephoto wildlife, then the Sigma 16-300mm f3.5-6.7 Contemporary lens could be ...

I've spent the past couple of days at Sigma headquarters and the Sigma factory in Japan, getting intimately acquainted with the new Sigma BF – perhaps the most beautiful camera I've ever seen, and one ...

Sigma has announced the 300-600mm F4 DG OS Sports lens, designed specifically for applications like sports, action and wildlife photography. Recent Videos Optically, the lens is built around 28 ...

It's a compact mirrorless body with a single rear-plate dial and three buttons that provide haptic feedback when pressed. Sigma says the interface has been designed to be simple and "intuitive." Other ...

The Sigma BF features simplified controls on the back, a redesigned user interface, and 230GB of built-in storage. The Sigma BF features simplified controls on the back, a redesigned user ...

When the cells reached 75%–85% confluence, they were harvested using 0.05% trypsin and were sub-cultured into different ... in cell culture medium using a glucose (GO) assay kit (Sigma-Aldrich Corp., ...