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It is shown that the yields of oxidative damage observed in double stranded DNA oligomers consisting of two guanines separated by adenine-thymine (
T)n bridges of various lengths are reliably accounted for by a multi-step mechanism, in which transient and non-transient electronic resonances induce charge transport and solvent relaxation stabilizes the hole transfer products. The proposed multi-step mechanism leads to results in excellent agreement with the observed yield ratios both for the short and the long distance regime; the almost distance independence of yield ratios for longer bridges (n > 3) is the consequence of the significant decrease of the electronic levels of the bridge, which, as the bridge length increases, become quasi-degenerate with those of the acceptor and donor groups (enduring resonance). These results provide significant guidelines for the design of novel DNA sequences to be employed in organic electronics.
This article was published in the following journal.
Name: The journal of physical chemistry letters
In aqueous solution of 1,1'-diethyl-2,2'-carbocyanine (PIC) J-aggregate, exciton self-trapped (EST) state is usually expected to be negligible. However, in this work, by measuring transient absorption...
Coherent superposition states of a mesoscopic quantum object play a major role in our understanding of the quantum to classical boundary, as well as in quantum-enhanced metrology and computing. Howeve...
The distance dependences of electron-transfer rates ( k) in three homologous series of donor-bridge-acceptor compounds with reaction free energies (Δ G) of ca. -1.2, -1.6, and -2.0 eV for thermal cha...
Carrier transportation in semiconductor nanowires is essential for their application in integrated opto-electronic devices. Therefore, it is of importance to manipulate and enhance the transportation ...
Research has not definitively ascertained the circumstances that motivate people to live a healthier lifestyle. To redress this shortfall, we report two overlapping studies that examined whether peopl...
Patients with myelodysplastic syndrome (MDS) have an ineffective hemopoiesis and often suffer from anemia. This can lead to red blood cell transfusion dependency and iron overload. Iron ov...
Young children age 6 month to 6 years are often not able to cooperate for advanced OCT eye imaging. The purpose of this study is to investigate the use of a novel long-working distance swe...
Hypothesis: To verify whether the use of drugs, in particular performance-enhancing drugs, is prevalent amongst participants in a very long distance mountain trail. Primary objective : To...
Neuronal activity in circuits between the basal ganglia (BG) and motor cortical areas is abnormally synchronized and rhythmic. The oscillatory activity prevails at 8-30 Hz in untreated Par...
This is to evaluate the satisfaction of patient and physician about short-distance, medium-distance, long-distance postoperative vision and eyeglass dependence, glare, and visual acuity af...
Counseling conducted via electronic or other non-face-to-face interactions.
A state of internal activity of an organism that is a necessary condition before a given stimulus will elicit a class of responses; e.g., a certain level of hunger (drive) must be present before food will elicit an eating response.
The act of knowing or the recognition of a distance by recollective thought, or by means of a sensory process which is under the influence of set and of prior experience.
Observation and aquisition of physical data from a distance by viewing and making measurements from a distance or receiving transmitted data from observations made at distant location.
Electronic implements worn on the body as an implant or as an accessory. Examples include wearable diagnostic devices, wearable ACTIVITY TRACKERS, wearable INFUSION PUMPS, wearable computing devices, SENSORY AIDS, and electronic pest repellents.
Bioinformatics is the application of computer software and hardware to the management of biological data to create useful information. Computers are used to gather, store, analyze and integrate biological and genetic information which can then be applied...
Collaborations in biotechnology
Commercial and academic collaborations are used throughout the biotechnology and pharmaceutical sector to enhance research and product development. Collaborations can take the form of research and evaluation agreements, licensing, partnerships etc. ...