NH₂（氨基，7个）：可参与酰胺化、接枝修饰、静电结合、表面电荷调控，常用于连接靶向分子、染料、多肽等，或参与多点交联 N₃（叠氮，1个）：经典点击反应基团，用于CuAAC 或 SPAAC（无铜点击）与炔基分子高效偶联，具有高特异性、温和、快速、产率高的 ...

Journal Editorial Report: The week's best and worst from Kim Strassel, Jason Riley and Dan Henninger. Remember when the University of California kicked off a trend by eliminating the SAT test as an ...

ARN Foods Limited successfully redeemed its N3.86 billion Series 1 Commercial Paper ahead of its scheduled maturity date of November 10, 2025, settling all obligations by November 7, 2025 The early ...

Marking guidelines are developed with the exam paper and are used by markers to guide their marking of a student's response. The table shows the criteria with each mark or mark range. Sample answers ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...

Credo Technology Group Holding Ltd (CRDO) recently introduced its 224G PAM4 SerDes Intellectual Property (IP), fabricated on TSMC’s industry-leading N3 technology. The move to 224G PAM4 per lane data ...

Raspberry Pi CM0 is a yet-to-be-officially-announced castellated Compute Module based on the Raspberry Pi RP3A0 SiP (System-in-Package) found in the Raspberry Pi Zero 2 W and Raspberry Pi Compute ...

BERGVILLE - Four people have been killed in another horrific crash on the N3. A truck collided with a minibus taxi near the Bergville Interchange in KwaZulu-Natal. Emergency services, police and ...

Answer: 888 + 88 + 8 + 8 + 8 = 1,000. This is the kind of math riddle you can work out with times tables, or by simple logic. First, get as close to 1,000 as you can (888). From there, it’s easy to ...

Time to test your brain! Are you a puzzle person? Most of these hard math problems aren’t straightforward arithmetic. They challenge you to look at problems a different way, testing your logic and ...