“…Then See PDF for Equation where t is time. The corresponding equation when ions alone enter is See PDF for Equation. where K is the dissociation constant of HA, P(A) is the permeability of the protoplasm to the ion pair H(+) + A(-), and A(ie) denotes the internal concentration of A(i) at equilibrium. …”
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“…Membrane potential changes recorded in the cell bodies serve as very sensitive detectors of activity within the receptor muscle bundles, indicating the extent and time course of contractile events.…”
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“…Crayfish, Procambarus alleni (Faxon) and Orconectes virilis (Hagen), were used. 1. The size and time course of action potentials recorded from the soma-dendrite complex vary greatly with the level of the cell's membrane potential. …”
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“…The threshold for further stimulation remains enhanced for some time, successively larger current densities being needed to stimulate after each action current. …”
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“…Expression levels of a subset of the differentially expressed genes were also compared by real time reverse transcriptase PCR (RT-PCR). The RT-PCR experiments confirmed differential expression between the iron efficient and iron inefficient plants for 9 of 10 randomly chosen genes examined. …”
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“…Intravital microscopy was used to visualize the position and number of arterioles entering window chamber tumour preparations. Phosphorescence life time imaging (PLI) was used to measure vascular pO(2). …”
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“…Cells were exposed for 4, 24 and 72 h with a total culture time of 96 h, and possible synergism was evaluated by median drug effect analysis by calculating a combination index (CI; CI < 1 indicates synergism). …”
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“…For all 164 patients the median time from start of induction chemotherapy to progression was 10 months (range: 0–99). …”
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“…Overall, 97 patients received red blood cell transfusions with a median of 10 units (range 2–25) per patient during the four consecutive cycles of therapy. The time to first transfusion was shortest in patients with the lowest initial haemoglobin values. …”
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“…The beating rate and survival of NeRCaMs decreased in a concentration and time-dependent manner after doxorubicin treatment (P<0.0005). …”
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“…We found a strong positive association between the concentration of tenofovir in the plasma 15 min after rectal application of gel and the degree of protection in the six animals challenged with virus at this time point. Moreover, colorectal explants from non-SIV challenged tenofovir-treated macaques were resistant to infection ex vivo, whereas no inhibition was seen in explants from the small intestine. …”
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“…In 1934 he began using suction-irrigation cannulae made of glass to allow intermittent irrigation in patients with osteomyelitis in whom the wounds had been tightly closed about the cannulae. For the time, when open packing of chronic osteomyelitis as advocated by Orr was a standard [1], Smith-Petersen’s approach was radical. …”
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“…For prolonged hospital stay, the factors identified were mothers' education less than graduation [RR (95% CI) 1.5 (1.19–1.7)], lack of exclusive breast feeding [RR (95% CI) 1.77 (1.19–2.09)] and oxygen saturation of < 90% at time of presentation [RR (95% CI) 2.06 (1.42–2.42)]. …”
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“…Grid-based systems – such as the cancer Biomedical Informatics Grid (caBIG) – seek to develop new mechanisms to facilitate real-time federation of cancer-relevant data sources, including sources protected under a variety of regulatory laws, such as HIPAA and 21CFR11. …”
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“…Furthermore, inhibition of GSK3β activity with LiCl or specific siRNA could up-regulate the γH2AX level and prolong the time of increased γH2AX to 10 h or more after 4 Gy. …”
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“…Generated ESTs were compiled together with 908 ESTs available in public domain, at the time of analysis, and a set of 5,085 unigenes were defined that were used for identification of molecular markers in pigeonpea. …”
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“…Consumer-determined restrictions on content and timing of sharing may be prerequisites to sharing. …”
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“…OBJECTIVE: Our two main goals were: (1) to investigate use of the Internet and changes in expectations about future use for particular aspects of communication with a known doctor (obtaining a prescription, scheduling an appointment, or asking a particular health question), and (2) to investigate how important the provision of email and Web services to communicate with the physician is when choosing a new doctor for a first time face-to-face appointment. The data come from the second survey of the eHealth Trends study, which addressed trends and perspectives of health-related Internet use in Europe. …”
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“…The density of functional α7-containing nAChRs expressed in CA1 pyramidal neurons (and thus, the normalized net effect of activation, i.e., response net charge per unit of membrane capacitance per unit of time) was estimated to be ∼5% of the density observed in CA1 interneurons. …”
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“…Girls who favourably alter their overweight status between childhood and adolescence have cardiovascular risk profiles broadly similar to those who were normal weight at both time points, but boys who change from overweight to normal show risk factor profiles intermediate between those seen in boys who are normal weight at both ages or overweight at both ages.…”
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