Question

This technique is the most common use of 3-hydroxypicolinic acid to detect nucleotides. It’s not UV-Vis spec, but digital asymmetric wave isolation for this technique was developed by the Shimadzu company, which sells “mini” instruments for it. A breakthrough in this technique was the use of a solution (-5[1])of 30-nanometer cobalt particles in glycerol. The analyte in this technique can be described by the “gas-phase protonation” or “Lucky Survivor” (15[1])models. (15[3])It’s not SPPS, but this technique uses trifluoroacetic acid as a counterion source to a structure made of DHB, alpha-CHCA, or (15[2])(*) sinapinic acid. (10[1])Hillenkamp and Karas developed this “soft” (10[1])fragmentation (10[1])technique, (10[1])which is often combined (10[1])with a time-of-flight analyzer. (10[2])For 10 points, name this mass (10[1])spectrometry technique in which large samples are ionized within a crystal structure that absorbs a beam of coherent light. (10[1])■END■

ANSWER: MALDI [or matrix-assisted laser desorption/ionization; accept MALDI-time-of-flight or MALDI-TOF; accept MALDImini; prompt on mass spectrometry or MS until read; prompt on time-of-flight mass spectrometry or TOF-MS until “time-of-flight” is read; prompt on soft laser desorption or SDL; prompt on laser desorption/ionization; prompt on soft ionization until “ionized” is read; prompt on digital ion trap or DIT] (The 30-nanometer cobalt clue refers to Koichi Tanaka and SDL, which improved on the work of Hillenkamp and Karas.)
<KP, Chemistry>
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Summary

2024 Chicago Open07/28/2024Y15100%40%7%94.07

Buzzes

PlayerTeamOpponentBuzz PositionValue
Rasheeq AzadMindgoblin of Little HobbesLes Missourables47-5
Taylor Harveysticking out your guyot for the ridge push; you're so seafloor spread, you're so fracture zoneThe Empire Bikes Back6815
Richard NiuAMOGH QUIZ HACK? 英雄联盟 400 PPG 24 TUHAre You There, Chat? It's Me, Margaret6915
Kai SmithPunished "Venom" BHSUThe Dyatlov Passement incident6915
Eric MukherjeeLMM's LLM MLMit's the great pumpkinification objection, charlie brown6915
Billy BusseBHSU BI’ll take a quiet 10 / A handshake of CO (Chicago Open)9015
Kevin WanggenAI this, genAI that, have you found your 真爱 yetNJTRANSit (and anwen, I guess)9015
Arya KarthikCharlotte's Moderately Successful TeamThe Oldest Men in the World9210
Vivek SasseThere are buzzable clues everywhere for those with eyes to seeRead slowly: A A A A A A A A A A A A A A A Read quickly: A9810
Vincent DuA Nervy Liberal Nanny HenceWe Need New Names9910
Rohan Khervar merchantsBerkeley Mafia and the Chicago Boy10010
Gautam Kandlikarwhen you look this good, you don’t have to know anythingSAYYID QUTB, DRIVING THE LONGEST CAR YOU’VE EVER SEEN THROUGH TAHRIR SQUARE10410
Natan HoltzmanLisan al-QuibGalvanized Square Steen and Eco-Friendly Wood Vermeer10810
Jason HongThe Jeam TeamFirst Cause, First Cause, make me young!10810
Sky HongNJTRANSit (and bobby, i guess)Lying on a Mattress at Lou’s Apartment in Pilsen, Chicago11410
June YinLes MissourablesMindgoblin of Little Hobbes13310