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Frederick D Lewis

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Articles 111
Citations 546
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Recent Articles
1.
Lewis F, Young R, Wasielewski M
Acc Chem Res . 2018 Aug; 51(8):1746-1754. PMID: 30070820
The initial studies of the dynamics of photoinduced charge separation conducted in our laboratories 20 years ago found strongly distance-dependent rate constants over short distances but failed to detect intermediates...
2.
Brown K, Singh A, Wu Y, Ma L, Mishra A, Phelan B, et al.
Faraday Discuss . 2018 Jan; 207(0):217-232. PMID: 29362748
The ground- and excited-state electronic interactions between the nucleobase analog 8-(4'-phenylethynyl)deoxyguanosine, EG, with natural nucleobases and 7-deazaguanine, as well as between adjacent EG base analogs, have been characterized using a...
3.
Brown K, Singh A, Wu Y, Kumar Mishra A, Zhou J, Lewis F, et al.
J Am Chem Soc . 2017 Aug; 139(34):12084-12092. PMID: 28767235
The hole transport dynamics of DNA hairpins possessing a stilbene electron acceptor and donor along with a modified guanine (G) nucleobase, specifically 8-(4'-phenylethynyl)deoxyguanosine, or EG, have been investigated. The nearly...
4.
Fujii T, Thazhathveetil A, Yildirim I, Young R, Wasielewski M, Schatz G, et al.
J Phys Chem B . 2017 Jul; 121(34):8058-8068. PMID: 28715629
The dynamics of electron injection have been investigated in intramolecular i-motif conjugates possessing stilbenediether (Sd) and perylenediimide (PDI) chromophores separated by either four or six hemiprotonated cytosine C-C base pairs...
5.
Kumar Mishra A, Harris M, Young R, Wasielewski M, Lewis F
J Phys Chem B . 2017 Jun; 121(29):7042-7047. PMID: 28628320
Steady state spectroscopy, femtosecond transient absorption spectroscopy (fsTA), and femtosecond stimulated Raman spectroscopy (FSRS) of DNA mini-hairpins possessing a diphenylacetylenedicarboxamide (DPA) linker and 1-3 adenine-thymine (A-T) or guanine-cytosine (G-C) base...
6.
Kumar Mishra A, Weissman H, Krieg E, Votaw K, McCullagh M, Rybtchinski B, et al.
Chemistry . 2017 May; 23(43):10328-10337. PMID: 28543996
The self-assembly behavior of DNA conjugates possessing a perylenediimide (PDI) head group and an N-oligonucleotide tail has been investigated using a combination of optical spectroscopy and cryogenic transmission electron microscopy...
7.
Thazhathveetil A, Harris M, Young R, Wasielewski M, Lewis F
J Am Chem Soc . 2017 Jan; 139(5):1730-1733. PMID: 28094928
The dynamics and efficiency of photoinduced charge transport has been investigated in DNA capped hairpins possessing a stilbenedicarboxamide (Sa) hole donor and stilbenediether (Sd) hole acceptor separated by DNA G-quadruplex...
8.
Renaud N, Harris M, Singh A, Berlin Y, Ratner M, Wasielewski M, et al.
Nat Chem . 2016 Oct; 8(11):1015-1021. PMID: 27768107
Charge transport through the DNA double helix is of fundamental interest in chemistry and biochemistry, but also has potential technological applications such as for DNA-based nanoelectronics. For the latter, it...
9.
Harris M, Kumar Mishra A, Young R, Brown K, Wasielewski M, Lewis F
J Am Chem Soc . 2016 Apr; 138(17):5491-4. PMID: 27082662
The excited state behavior of DNA hairpins possessing a diphenylacetylenedicarboxamide (DPA) linker separated from a single guanine-cytosine (G-C) base pair by zero-to-six adenine-thymine (A-T) base pairs has been investigated. In...
10.
Vaya I, Brazard J, Huix-Rotllant M, Thazhathveetil A, Lewis F, Gustavsson T, et al.
Chemistry . 2016 Mar; 22(14):4904-14. PMID: 26928984
The electronic excited states populated upon absorption of UV photons by DNA are extensively studied in relation to the UV-induced damage to the genetic code. Here, we report a new...