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Introduction While the dynamics and mechanism of the positive BOLD response have been well studied, much less is known about the mechanism of the negative BOLD response. Although the negative BOLD response is related to decreases in neural activity [1] and in CBF [2], the temporal dynamics differ from that of the positive BOLD signal [1]. Here, we studied the properties of the negative BOLD res...
The effect of flexible tetra-methylene vs. semi-rigid xylylene spacers appended in two quinoline tagged sensors bqbpbn (1) and bqbpxn (2) on the sensing nitro-phenolic compounds metal ions has been demonstrated.
Background:The purpose of this research was to assess the knowledge, attitude, and practice dental auxiliaries related oral health care for pregnant patientsin Eastern Province Saudi Arabia. Methods: A cross-sectional study using a questionnaire survey conducted. The were rated Likert scale out 5. Knowledge cat...
سابقه و هدف:مواد و روش‌ها:یافته‌ها:) و در ٦٦ مورد (98/5% 5/41 بود. بین درجه هیستوپاتولوژیک و TATE) ولی رابطه ی معنا داری بین TATEنتیجه گیری: فراوانی ائوزینوفیلی بافتی در گروه مبتلایان به اسکواموس سل کارسینوم سر و گردن با تمایز ضعیف کمتر از ...
Introduction: Studies have shown that low frequency temporal components (<0.1Hz) in resting state BOLD fMRI reflect spontaneous fluctuations of brain physiology and metabolism, which form the basis for the widely adopted “functional connectivity” analysis to characterize the resting state using BOLD fMRI[1]. Studies also found significant linear correlations between activation induced BOLD sign...
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