Question
In one form of this technique, distortionless enhancement by polarization transfer is an alternative to the APT. The Karplus equation relates dihedral angles to the coupling constant measured in this technique. Most forms of this technique use a Fourier transform to analyze the free induction decay that occurs as a result of relaxation. TMS is used as a standard in several forms of this technique, which normalizes frequencies of peaks to chemical shift. This technique’s most common forms use hydrogen-1 and carbon-13 since they have a non-zero spin. For 10 points, name this technique where chemical structures are determined by a strong magnetic field applied to nuclei. ■END■
ANSWER: NMR spectroscopy [or nuclear magnetic resonance spectroscopy]
<Chemistry>
= Average correct buzz position
Summary
2024 ACF Fall at Cornell | fall | Y | 6 | 33% | 0% | 83% | 106.00 |
2024 ACF Fall at Ohio State | fall | Y | 8 | 100% | 0% | 13% | 84.88 |
2024 ACF Fall at Washington | fall | Y | 1 | 0% | 0% | 100% | 0.00 |
2024 ACF Fall at Georgia | fall | Y | 11 | 73% | 0% | 27% | 77.63 |
2024 ACF Fall at North Carolina | fall | Y | 9 | 78% | 0% | 11% | 65.29 |
2024 ACF Fall at Claremont Colleges | fall | Y | 5 | 100% | 0% | 20% | 50.20 |
2024 ACF Fall at Rutgers | fall | Y | 8 | 63% | 0% | 50% | 69.20 |
2024 ACF Fall at Illinois | fall | Y | 9 | 78% | 0% | 33% | 58.43 |
Buzzes
Player | Team | Opponent | Buzz Position | Value |
---|---|---|---|---|
Nick Machin (UG) | UCLA A | Claremont A | 16 | 10 |
Michael Eng | UNC D | Duke B | 17 | 10 |
Derek Chen (UG) | Columbia A (UG) | Fordham A | 20 | 10 |
Parker McCoig | Tennessee A | Alabama A | 26 | 10 |
Jackson Hopper | Mississippi State A | Auburn C | 30 | 10 |
Ilyas Choukri | Virginia Tech A | VCU | 30 | 10 |
Ayush Patel (DII) | UCLA C | USC | 32 | 10 |
Andrew Nucci (DII) | UCLA E | Claremont C | 38 | 10 |
Eric Yang | Purdue A | Iowa A | 38 | 10 |
Alec Riso | Cornell D | Binghamton A | 39 | -5 |
Daniel Chen | Emory Oxford | Tennessee B | 39 | -5 |
Jason Qin (DII) | Columbia J (DII) | Rutgers A (UG) | 41 | -5 |
Ishaan Singh | Purdue B | Iowa B | 41 | -5 |
Emmett Cho | Chicago B | Notre Dame C | 43 | 10 |
Ezra Santos | Chicago A | WashU A | 45 | 10 |
Galen Song | Illinois C | Northwestern B | 50 | -5 |
Samay Math | WashU B | Indiana | 55 | 10 |
Fish Tsai (DII) | UCSD | UCLA B | 58 | 10 |
Kennedy Gallaher | Notre Dame B | Illinois D | 61 | 10 |
Stephen Heritage | Notre Dame A | Northwestern A | 64 | 10 |
Jesse Mindle | NC State | Liberty B | 65 | -5 |
Brooke Weiss (UG) | West Virginia B (UG) | Michigan A (UG) | 66 | -5 |
Rico-Ian Banting (UG) | NYU B | Penn A (DII) | 66 | 10 |
Zander Schwartz | Vanderbilt A | Georgia Tech D | 67 | -5 |
Zachary Kant | Emory A | Georgia Tech C | 71 | -5 |
Pranaav Senthilkumar | Cornell C | RIT B | 72 | -5 |
Matthew Kelley (DII) | Michigan D (UG) | CWRU C (UG) | 72 | 10 |
Alan Lee (UG) | CWRU A (UG) | Jefferson County Scholars (DII) | 72 | 10 |
Cameron Wiliams | Appalachian State A | James Madison A | 72 | 10 |
Anna Figge (DII) | Claremont B | UCLA D | 72 | -5 |
Rohit Chintala (DII) | Maryland B (DII) | Princeton A (UG) | 72 | 10 |
Nick Smemoe | UNC B | Liberty C | 74 | 10 |
Davis Johnson | Purdue C | SIUE | 75 | -5 |
Yuki Brown (DII) | Miami B (UG) | West Virginia A (UG) | 77 | 10 |
Kenny Shaffer (UG) | Ohio State A (UG) | Michigan B (UG) | 79 | 10 |
Henry Bylinowski | Auburn A | South Carolina A | 79 | 10 |
Henry Bylinowski | Auburn A | South Carolina A | 79 | 10 |
Malachi Ledford | Tusculum | Virginia | 80 | 10 |
Arjun Saulnier (DII) | CWRU B (DII) | Ohio State C (DII) | 81 | 10 |
Darrien Liang | UW Wrath | UBC A | 81 | -5 |
Koji Bilbao | Duke A | Appalachian State B | 81 | 10 |
Leonard Castine (DII) | Penn B (DII) | Bard A (UG) | 81 | 10 |
Darshan Adhikari (DII) | Miami C (DII) | Michigan State B | 85 | 10 |
Sambodh Sinha | Vanderbilt B | South Carolina B | 86 | 10 |
Xavier Bomhorst (DII) | Maryland A (DII) | Columbia B | 86 | -5 |
Magnolia Schnirman Barria (UG) | NYU A (UG) | Lehigh B (DII) | 87 | -5 |
Alex Lin (DII) | Rutgers B | Lehigh A (UG) | 101 | -5 |
Gianna Pettine | U of Rochester B | Penn State | 102 | -5 |
Gianna Pettine | U of Rochester B | Penn State | 102 | -5 |
Samuel Li | William & Mary | Liberty A | 103 | 10 |
Azura Gollamudi | Northwestern B | Illinois C | 103 | 10 |
Nayel Tekle | Cornell B | Binghamton B | 104 | -5 |
Steven Vicoria | Binghamton A | Cornell D | 106 | 10 |
Aidan Craner | U of Rochester A | Cornell E | 106 | 10 |
Rachel Fanous (DII) | Michigan A (UG) | West Virginia B (UG) | 106 | 10 |
Claire Chambers | Binghamton B | Cornell B | 107 | 0 |
Will Hoover | RIT B | Cornell C | 107 | 0 |
Victor Bender | Penn State | U of Rochester B | 107 | 0 |
Victor Bender | Penn State | U of Rochester B | 107 | 0 |
Elijah Quan (DII) | Michigan C | Ohio State B (DII) | 107 | 10 |
Brady Pinter | Belmont | Clemson B | 107 | 0 |
Akajiugo Amucheazi | Southern | Auburn B | 107 | 10 |
Joshua Davenport | Georgia Tech D | Vanderbilt A | 107 | 10 |
Monish Jampala | Georgia Tech B | Clemson A | 107 | 10 |
John Shields | Clemson B | Belmont | 107 | 0 |
Abby Keith | Liberty B | NC State | 107 | 0 |
Zachary Bornstein | Virginia Tech B | James Madison B | 107 | 0 |
Ishan Pachauri (DII) | UCLA D | Claremont B | 107 | 10 |
Alex Wong (DII) | Rutgers A (UG) | Columbia J (DII) | 107 | 10 |
Steven McPhillimey (UG) | Lehigh A (UG) | Rutgers B | 107 | 0 |
Neilesh Shroti (UG) | Columbia B | Maryland A (DII) | 107 | 0 |
Abigail Zimmerman | Iowa B | Purdue B | 107 | 0 |