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Digital subtraction angiography (DSA) is a fluoroscopy technique used in interventional radiology to clearly visualize blood vessels in a bony or dense soft tissue environment. Images are produced using contrast medium by subtracting a "pre-contrast image" or mask from subsequent images, once the contrast medium has been introduced into a ...
Donor-specific antibodies (DSA) are a concept in transplantation medicine and describe the presence of antibodies specific to the Donor's HLA-Molecules. These antibodies can cause antibody-mediated rejection and are therefore considered a contraindication against transplantation in most cases. [ 1 ]
DSA is a variant of the Schnorr and ElGamal signature schemes. [1]: 486 The National Institute of Standards and Technology (NIST) proposed DSA for use in their Digital Signature Standard (DSS) in 1991, and adopted it as FIPS 186 in 1994. [2] Five revisions to the initial specification have been released.
The Democratic Socialists of America (DSA) is a political nonprofit organization, not a political party. Therefore, DSA members and endorsees usually run as members of the Democratic Party, Green Party, Working Families Party, or as independents. [citation needed] In the 2017 elections, DSA members were elected to fifteen state and local ...
On March 29, 2011, two researchers published an IACR paper [9] demonstrating that it is possible to retrieve a TLS private key of a server using OpenSSL that authenticates with Elliptic Curves DSA over a binary field via a timing attack. [10] The vulnerability was fixed in OpenSSL 1.0.0e. [11]
Related: 300 Trivia Questions and Answers to Jumpstart Your Fun Game Night. What Is Today's Strands Hint for the Theme: "Thar She Blows!"? Today's Strands game revolves around marine mammals.
When guards L.J. Cryer and Milos Uzan combined for 30 points in Houston's 60-47 road victory over Oklahoma State on Monday, it showed the potency of the Cougars' backcourt and the gradual progress ...
Dynamic strain aging (DSA) for materials science is an instability in plastic flow of materials, associated with interaction between moving dislocations and diffusing solutes. Although sometimes dynamic strain aging is used interchangeably with the Portevin–Le Chatelier effect (or serrated yielding), dynamic strain aging refers specifically ...