The effect of Satureja khuzestanica on triglyceride, glucose, creatinine and alkaline phosphatase activity in rat

زمینه و هدف: مرزه یا ساتوریا خوزستانیکا (Satureja khuzestanica) از گیاهان بومی ایران می باشد که به طور گسترده ای در نواحی جنوبی کشور به ویژه استان لرستان وجود دارد و در طب سنتی دارای مصارف پزشکی، از جمله فعالیت ضد درد و عفونت می باشد. در مطالعات قبلی مشاهده گردید که این گیاه باعث کاهش معنی دار وزن در موشهای مورد آزمایش شده است. بر همین اساس بر آن شدیم اثرات دم کرده و اسانس روغنی این گیاه را روی وزن بدن، دریافت غذا و فاکتورهای لیپیدی، قندی، پروتئینی، الکترولیت ها و آنزیم های کبدی در رت بررسی کنیم. روش بررسی: این مطالعه تجربی است که در سال 1382 در مرکز تحقیقات گیاهان دارویی دانشگاه علوم پزشکی لرستان انجام شد. دم کرده گیاه مزبور به مقادیر 75، 150 و 250 میلی گرم بر کیلوگرم از راه خوراکی به مدت سه هفته به ترتیب برای حیوانات در سه گروه تجویز شد و در گروه چهارم، اسانس روغنی گیاه در آب خوراکی به میزانppm 1000 حل و تجویز گردید. در عین حال برای گروه کنترل هیچگونه گیاهی تجویز نشد. وزن حیوانات و میزان دریافت آب و غذای آنها بصورت روزانه ثبت گردید و در پایان 3 هفته فاکتورهای خونی و آنزیم های کبدی در سرم این حیوانات اندازه گیری شد. داده ها با آزمون ANOVA یکطرفه و بدنبال آن آزمون Tukey با یکدیگر مقایسه گردید و در بعضی گروهها که توزیع داده ها نرمال نبود از آزمون من ویتنی استفاده شد. یافته ها: میزان تری گلیسرید سرمی در گروه اسانس روغنی )92/3±15/43 میلی گرم بر دسی لیتر) نسبت به گروه کنترل (03/8±99/89 میلی گرم بر دسی لیتر) تفاوت معنی دار داشت (001/0

Importance of source structure on complex organics emission III. Effect of disks around massive protostars

Complex organic molecules are only detected toward a fraction of high-mass protostars. The goal of this work is to investigate whether high-mass disks can explain the lack of methanol emission from some massive protostellar systems. We consider an envelope-only and an envelope-plus-disk model and use RADMC-3D to calculate the methanol emission. High and low millimeter (mm) opacity dust are considered for both models separately and the methanol abundance is parameterized. Viscous heating is included due to the high accretion rates of these objects in the disk. In contrast with low-mass protostars, the presence of a disk does not significantly affect the temperature structure and methanol emission. The shadowing effect of the disk is not as important for high-mass objects and the disk mid-plane is hot because of viscous heating, which is effective due to the high accretion rates. Consistent with observations of infrared absorption lines toward high-mass protostars, we find a vertical temperature inversion, i.e. higher temperatures in the disk mid-plane than the disk surface, at radii < 50au for the models with $L=10^4$ L$_{\odot}$ and large mm opacity dust as long as the envelope mass is >550 M$_{\odot}$. The large observed scatter in methanol emission from massive protostars can be mostly explained toward lower luminosity objects with the envelope-plus-disk models including low and high mm opacity dust. The methanol emission variation toward sources with high luminosities cannot be explained by models with or without a disk. However, the $L/M$ of these objects suggest that they could be associated with hypercompact/ultracompact HII regions. Therefore, the low methanol emission toward the high-luminosity sources can be explained by them hosting an HII region where methanol is absent.Comment: 25 pages, 24 figures, Accepted for publication in A&

Study on the changes of some physiological factors during osmoregulation of juvenile Persian sturgeons (Acipenser persicus)

Experimental trials of acclimatization of juvenile Persian sturgeon, Acipenser persicus to different salinites of 0,5,10, 15ppt were studied. The juvenile Persian sturgeons in three weight classes (1.5, 3, 5g) have been transfered from freshwater to different concentrations of saline water. Na+, k+, Cl- concentrations of blood serum and the changes in the number and size of chloride cells were measured. Na+ concentration showed an imperceptible trend and K+ concentration had a decreasing one size of changed chloride cells in different salinities were 8.6-13±0.3 μm and their numbers were (25-65±3) in 5 pairs of fillaments. The results revealed that salinity tolerance was increased with the fish size. According to this study, there is a direct relation between the number and size of chloide cells and salinities and time exposure

High resolution imaging of IgG and IgM molecules by scanning tunneling microscopy in air condition

A scanning tunneling microscope is a powerful tool for obtaining micrographs from conductive and semiconductive materials. The imaging technique has recently been improved for microscopy of nanostructured biomaterials on highly ordered atomic surfaces. We describe, here, high resolution imaging of individual IgM and IgG using a scanning tunneling microscope (Nama-STM) in air condition. The biomolecules were immobilized on the surface of Highly Ordered Pyrolytic Graphite (HOPG). Obtained micrographs could reveal structural details of immunoglobulins G and M on the atomically flat surfaces. Obtained results confirmed that STM could be more useful than other microscopy techniques for the analysis of single biomolecules. © 2012 Sharif University of Technology. Production and hosting by Elsevier B.V. All rights reserved

Cooling or Warming the Esophagus to Reduce Esophageal Injury During Left Atrial Ablation in the Treatment of Atrial Fibrillation.

Ablation of the left atrium using either radiofrequency (RF) or cryothermal energy is an effective treatment for atrial fibrillation (AF) and is the most frequent type of cardiac ablation procedure performed. Although generally safe, collateral injury to surrounding structures, particularly the esophagus, remains a concern. Cooling or warming the esophagus to counteract the heat from RF ablation, or the cold from cryoablation, is a method that is used to reduce thermal esophageal injury, and there are increasing data to support this approach. This protocol describes the use of a commercially available esophageal temperature management device to cool or warm the esophagus to reduce esophageal injury during left atrial ablation. The temperature management device is powered by standard water-blanket heat exchangers, and is shaped like a standard orogastric tube placed for gastric suctioning and decompression. Water circulates through the device in a closed-loop circuit, transferring heat across the silicone walls of the device, through the esophageal wall. Placement of the device is analogous to the placement of a typical orogastric tube, and temperature is adjusted via the external heat-exchanger console

Coverage of a shopping mall with flexible OLED-based visible light communications

Visible light communications (VLC) can utilize light-emitting diodes (LEDs) to provide illumination and a safe and low-cost broadcasting network simultaneously. In the past decade, there has been a growing interest in using organic LEDs (OLEDs) for soft lighting and display applications in public places. Organic electronics can be mechanically flexible, thus the potential of curved OLED panels/displays devices. This paper provides unique characteristics of a flexible OLED-based VLC link in a shopping mall. We show that, for curved OLED the radiation pattern displays a symmetry, which is wider than Lambertian. A number of scenarios of VLC system with flexible OLED are analyzed. Numerical models for the delay spread and optical path loss are derived, which followed a 2-term power series model for both empty and furnished rooms. We show that using a full-circular OLED for both empty and furnished rooms offers a uniform distribution of emitted power for the same transmission link spans. The link performance using full and half-circular OLED in an empty room shows that the average optical path losses are lower by 5 and 4 dB, compared with the furnished room.H2020 Marie Sklodowska-Curie ActionsPublisher versio

Kontribusi Sistem Dukuh terhadap Aspek Sosial Ekonomi, Sosial Budaya dan Lingkungan di Desa Kiram Kabupaten Banjar

This study aimed to explore the contribution of social economy value, the level of involvement of community members from a gender perspective, and to explore the amount of carbon that sequestrated from the dukuh management. Direct observation and open interviews were the methods that were carried out to collect information from the owners of dukuh and key informants. The results showed that dukuh contributed 54,84% of the total annual income. Dukuh management was mostly conducted by men and women of 46,67% and 37,18%, respectively. All family members of both men and women had the equal rights and responsibility in sustaining the dukuh management. The total number of carbon stocks in the dukuh management was 213,20 tons/ha. The number of above ground carbon stocks was bigger than below ground carbon stocks of 65,25% and 34,74%, respectively

Distribution and estimation of washed out seaweeds biomass in Oman Sea coastal waters

This study was carried out to determine the seaweed biomass in the coast of Sistan & Baluchestan Province. Beris, Chabahar, Pozm and Tang were introduced as high density zones and Jood & Lipar were selected as low density zones. Among 354.2 km of investigated coastal area, 18.2 km were high density zone and 281.5 km were low density zone. Three transects were fixed in study areas and sampling randomly was done monthly. The samples were measured in area after being cleaned, and separating. During this research, 9 genus were collected. Among these seaweeds, 2 genus were green algae (composed of 2 families and 2 orders), 6 genera of brown algae (composed of 3 families and 3 orders) and 1 genus of red algae. Wet biomass of Sargassum genus in the total area of Sistan & Baluchestan coasts was 445.9 tons in 2012. Among this biomass, 269.1 tons (60.35%) was found in high density area and 176.8 tons (39.65%) in low density zone. The maximum biomass, 270.4 tons (high density zone: 155.5 and low density zone: 114.9 tons) was obtained in December, and the lowest biomass, 3.5 tons was obtained in March