نتایج جستجو برای: roth 801
تعداد نتایج: 6428 فیلتر نتایج به سال:
BACKGROUND To evaluate the amount and percentage of anchor loss after initial leveling and aligning using a ROTH and MBT prescription. MATERIALS & METHODS Pre and post alignment lateral cephalograms & dental casts of 10 ROTH & 10 MBT patients. RESULTS In the study, it was found that the amount of anchor loss is greater in the ROTH group than the MBT group. This could be due to the increased...
Can governments increase private savings by taxing savings up front instead of in retirement? Roth 401(k) contributions are not tax-deductible in the contribution year, but withdrawals in retirement are untaxed. The more common before-tax 401(k) contribution is tax-deductible in the contribution year, but both principal and investment earnings are taxed upon withdrawal. Using administrative dat...
We examined the effect of 1-amino-3,5-dimethyladamantane (memantine) and (+)-5-methyl-10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5,10-imine (MK-801) on the inhibition of [(3)H]MK-801 binding to crude synaptic membranes of rat forebrains in the absence or presence of Ca(2+). Ca(2+) decreased the potency of memantine to inhibit [(3)H]MK-801 binding. The effect of Ca(2+) was apparently competitive w...
Kevin C. H. Pang, Advisor J. Devin McAuley, Co-Chair The present series of studies examined effects of MK-801, an NMDA antagonist, on short-interval timing in rats. The first study used two experiments to examine timing performance using the peak-interval (PI) and PI-gap procedures during chronic exposure of MK801. The first of these experiments investigated the effects of three MK-801 doses (0...
BACKGROUND The acetylcholine-activated K(+) current (I(K,ACh)) is a novel candidate for atrial-specific antiarrhythmic therapy. The present study investigates the involvement of I(K,ACh) in atrial fibrillation (AF) using NTC-801, a novel potent and selective I(K,ACh) blocker. METHODS AND RESULTS The effects of NTC-801, substituted 4-(aralkylamino)-2,2-dimethyl-3,4-dihydro-2H-benzopyran-3-ol, ...
Systemic injection of MK-801, a noncompetitive antagonist of N-methyl-D-aspartate (NMDA) receptor ion channels, increases meal size and delays satiation. We examined whether MK-801 increases food intake by directly interfering with actions of cholecystokinin (CCK). Prior administration of MK-801 (100 microg/kg ip) reversed the inhibitory effects of CCK-8 (2 and 4 microg/kg ip) on real feeding o...
Alterations of cocaine effects, which were induced by prior repeated 5-time administration of MK-801 ((+)-5-methyl-10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5,10-imine) (i.p.) alone or in combination with cocaine (s.c.) at 3- to 4-day intervals, were investigated by means of ambulatory activity in mice. The repeated administration of either cocaine (10 and 20 mg/kg) alone or MK-801 (0.3 mg/kg) a...
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