نتایج جستجو برای: bio instrument
تعداد نتایج: 144080 فیلتر نتایج به سال:
This paper is intended as an investigation of new environment for interactive multimedia art with biological sensors and biological feedback. The key concept is "listen to, watch and control/interact the physiological performance". I have developed two styles of sensors for performance with bio-sensor technology and microelectronics: (1) 16-channel electromyogram sensors detecting live performa...
Aim. To evaluate the effect of quinapril on diabetic cardiovascular autonomic neuropathy (CAN) and peripheral neuropathy (DPN). Patients and Methods. Sixty-three consecutive patients with diabetes mellitus [43% males, 27 with type 1 DM, mean age 52 years (range 22-65)], definite DCAN [abnormal results in 2 cardiovascular autonomic reflex tests (CARTs)], and DPN were randomized to quinapril 20 m...
Chlorophyll-a (chl-a) is a central water quality parameter that has been estimated through remote sensing bio-optical models. This work evaluated the performance of three well established reflectance based bio-optical algorithms to retrieve chl-a from in situ hyperspectral remote sensing reflectance datasets collected during three field campaigns in the Funil reservoir (Rio de Janeiro, Brazil)....
the aim of the present study was to assess the bio-trickling filter startup for the treatment ofwastewater produced by pegah dairy company at psychrophilic condition. the startup time of a bio-tricklingfilter is directly proportional to the concentration of microbial population. abio-trickling column with a height of150 cm was packed with lava rocks with the liquid recirculated through the pack...
Recent advances in the development of microfabricated lab-on-a-chip analysis systems have enhanced the feasibility and capabilities of in situ chemical and biochemical analyzers. While a wide variety of bio-organic molecules can be probed, we have focused our initial studies on the development of an amino acid analyzer with the hypothesis that extraterrestrial life would be based on homochiral ...
This paper describes a simple and instrument-free screen-printing method to fabricate hydrophilic channels by patterning polydimethylsiloxane (PDMS) onto chromatography paper. Clearly recognizable border lines were formed between hydrophilic and hydrophobic areas. The minimum width of the printed channel to deliver an aqueous sample was 600 μm, as obtained by this method. Fabricated microfluidi...
آستروسیت ها که عمده ترین سلول های غیر نورونی در مغز می باشند، در پشتیبانی و نگهداری نورون ها نقش دارند. دخالت مسیر پیام رسانی pi3k/akt در ترشح فاکتور محافظ عصبی tgf-? در آستروسیت ها، القا شده با استرادیول، گزارش شده است. در این پایان نامه احتمال شرکت مسیر پیام رسانی canonical wnt در تولید فاکتورهایی از خانواده ی tgf-? نظیر tgf-?و bmp-4 توسط آستروسیت ها بررسی گردید. آستروسیت های جداشده از کورتکس...
This paper reports on an online distance learning course that emphasizes the improvement of self-efficacy beliefs in-service elementary school teachers in teaching biological concepts. The utilizes digital educational content and Open Educational Resources (OERs) focuses interaction, peer support, into environment. In design framework course, we investigated needs took consideration findings ot...
The new Aquatic Laser Fluorescence Analyzer (ALFA) provides spectral and temporal measurements of laser-stimulated emission (LSE) for assessment of phytoplankton pigments, community structure, photochemical efficiency (PY), and chromophoric dissolved organic matter (CDOM). The instrument was deployed in the Northern Gulf of Mexico to evaluate the ALFA analytical capabilities across the estuarin...
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