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Electrically Driven Plasmon-Polaritonic Bistability in Dirac Electron Tunneling Transistors.
Zhang S, Xu Y, Zhang J, Sun D, Dong Y, Fu M, Taniguchi T, Watanabe K, Dean C, Allen M, Allen J, de Abajo FJG, Moilanen AJ, Novotny L, Basov DN. Zhang S, et al. Phys Rev Lett. 2026 Apr 3;136(13):136904. doi: 10.1103/7xlm-s3s5. Phys Rev Lett. 2026. PMID: 41997192
Here, we report the experimental observation of electrically driven plasmon-polaritonic bistability in graphene/hexagonal-boron-nitride/graphene tunneling transistors, achieved through momentum-conserving resonant tunneling of Dirac electrons. Using a small twist angle bet …
Here, we report the experimental observation of electrically driven plasmon-polaritonic bistability in graphene/hexagonal-boron-nitride/grap …
A plain language summary of the AMPECT study: nab-sirolimus for advanced malignant perivascular epithelioid cell tumors.
Wagner AJ, Ravi V, Riedel RF, Ganjoo K, Van Tine BA, Chugh R, Cranmer L, Gordon EM, Hornick JL, Du H, Polson KM, Yalamanchili S, DeBoer C, Ding L, Schmid AN, Navarro WH, Kwiatkowski DJ, Dickson MA. Wagner AJ, et al. Future Oncol. 2026 Jan;22(1):1-13. doi: 10.1080/14796694.2025.2574811. Epub 2025 Dec 22. Future Oncol. 2026. PMID: 41424265 Free PMC article.
Crystal structures of chicken liver dihydrofolate reductase: binary thioNADP+ and ternary thioNADP+.biopterin complexes.
McTigue MA, Davies JF 2nd, Kaufman BT, Kraut J. McTigue MA, et al. Biochemistry. 1993 Jul 13;32(27):6855-62. doi: 10.1021/bi00078a008. Biochemistry. 1993. PMID: 8334118
This twist appears to be due to steric conflict between the thioamide sulfur atom and both the pyridine ring at C4 and the adjacent protein backbone at Ala-9. It results in an unfavorably close contact between the sulfur and the biopterin pteridine ring (0.9 A less than th …
This twist appears to be due to steric conflict between the thioamide sulfur atom and both the pyridine ring at C4 and the adjacent p …