نتایج جستجو برای: hillock
تعداد نتایج: 193 فیلتر نتایج به سال:
The present research was elucidated on the morphogenesis of mammary gland of buffalo during prenatal development. Total of 16 foetuses ranging from 1.2 cm (34 days) to 108 cm CVRL (curved crown rump length) (317 days) were used for study. The study revealed that mammary line was first observed at 1.2 cm CVRL (34 days), mammary hillock at 1.7 cm (37 days), and mammary bud at 2.6 cm CVRL (41 days...
~ (Received 8 July 1969, and in revised form 10 November 1969) lI, Some possible neural mechanisms of pattern discrimination are discussed, leading to neural networks which can discriminate any number of essentially arbitrarily complicated space-time patterns and activate cells which can then learn and perform any number of essentially arbitrarily complicated space-time patterns in response to ...
Cytochrome P450 enzymes are responsible for the metabolism of most commonly used drugs. Among these enzymes, CYP3A forms mediate the clearance of around 40–50% of drugs and may also play roles in the biotransformation of endogenous compounds. CYP3A forms are expressed both in the liver and extrahepatically. However, little is known about the expression of CYP3A proteins in specific regions of t...
Cytochrome P450 enzymes are responsible for the metabolism of most commonly used drugs. Among these enzymes, CYP3A forms mediate the clearance of around 40-50% of drugs and may also play roles in the biotransformation of endogenous compounds. CYP3A forms are expressed both in the liver and extrahepatically. However, little is known about the expression of CYP3A proteins in specific regions of t...
We have investigated the growth of nonpolar GaN templates by hydride vapor phase epitaxy (HVPE). This includes a systematic study of misoriented r-plane sapphire wafers with a miscut angle up to ±1◦ towards the c-axis of the crystal as starting substrates. Starting with an AlN nucleation layer approximately 3.3μm of nonpolar a-plane GaN are grown by metalorganic vapor phase epitaxy (MOVPE). The...
L-aspartate is the amino-acid residue most susceptible to spontaneous isomerization. This denaturation causes an alteration in the biological activity of the protein and is regarded as an aging process of the protein. Protein L-isoaspartyl methyltransferase (PIMT) repairs this post-translational modification and thus is implicated in retarding the aging process of proteins. PIMT is highly expre...
Eviprostat is a popular phytotherapeutic agent for the treatment of lower urinary tract symptoms (LUTS). At present, the signaling mechanisms underlying its therapeutic effects are still poorly understood. Given that cAMP has been reported to suppress cell hyperplasia and hypertrophy in various pathological situations, we asked whether the effect of Eviprostat could be ascribed to the activatio...
Stress induced mass transport (acoustomigration) is the dominant failure mechanism in surface acoustic wave (SAW) devices. A strong microstructure damage of the metal finger electrodes by void and hillock formation results in an irreversible degradation of the electrical characteristics of the device. Copper based metallizations were applied to SAW technique using LiNbO3 and quartz substrates t...
Activity induced long lasting modifications of synaptic efficacy have been extensively studied in excitatory synapses, however, long term plasticity is also a property of inhibitory synapses. Inhibitory neurons in the hippocampal CA1 region can be subdivided according to the compartment they target on the pyramidal cell. Some interneurons preferentially innervate the perisomatic area and axon h...
Reversed calcite morphologies induced by microscopic growth kinetics: Insight into biomineralization
This experimental investigation of calcite growth quantifies relationships between solution supersaturation and the rates of step advancement. Using in situ fluid cell atomic force microscopy (AFM), we show that the movement of monomolecular steps comprising growth hillocks on {101#4} faces during the growth of this anisotropic material is specific to crystallographic direction. By quantifying ...
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