scholarly journals Research Regarding the Chemical Fertilizers Effects on Physiological Indices and Protein at Soybean (Glycine max L. Merr.)

2020 ◽  
Vol 77 (1) ◽  
pp. 80
Author(s):  
Carmen BEINSAN ◽  
Radu ȘUMĂLAN ◽  
Anamaria VÂTCĂ ◽  
Ștefania GÂDEA ◽  
Sorin VÂTCĂ
Keyword(s):  
Vegetation Period ◽  
Bacterial Symbionts ◽  
Total Water Content ◽  
Reference Area ◽  
Total Water ◽  
Chemical Fertilizers ◽  
Physiological Indices ◽  
Glycine Max L ◽  
High Doses ◽  
Different Doses

In this experiment we studied the influence of chemical fertilizers on physiological indices and the amount of protein in two soybean varieties, Atlas and Hodgson. Researches has been carried out between 2017-2019 at Didactic Station of BUASMV Timişoara with different doses of chemical fertilizers. Observations and measurements were made on plant physiology and yield characteristics. The process of accumulation of dry substances in different organs of the plant during the vegetation period is dependent to the effectiveness of fertilization. The dynamics of the total water content in the plant and especially its modification under the influence of chemical fertilizers is of interest for the appreciation of the process of formation of dry substances, respectively of agricultural harvest. In both varieties between the experimental and the control variant, significant differences appeared in all followed indicators, the most favorable variant being N45P63K45. Superior results were registered at Atlas, better adapted to the ecological conditions of the reference area. Fertilizers are decisive factors in the increase of yield and the quantity of protein, although this plant has the capacity to supply some of the necessary nitrogen with bacterial symbionts. High doses of phosphorus did not produce higher yields compared to moderate ones.

Study of the effect of physical mutagens on the elements of cotton varieties Summary

2020 ◽  
Vol 04 (05) ◽  
pp. 40-43
Author(s):  
Ilhama Ibrahim Rzayeva ◽  
Keyword(s):  
Key Words ◽  
Plant Height ◽  
Gamma Rays ◽  
Gamma Ray ◽  
Growing Season ◽  
Vegetation Period ◽  
Low Doses ◽  
High Doses ◽  
Different Doses ◽  
Key Words Cotton

The effect of different doses of gamma rays of the Co60 isotope on the seeds of cotton varieties AzNIXI-104 and AzNIXI-195 before sowing caused changes in the growing season, plant height, sympodial branches and the number of bolls on the bush. At low doses of gamma rays (500 r, 5000 r) the vegetation period was shortened, the number of sympodial branches and bolls in the branch increased, and at high doses of mutagen a decrease in biomorphological features was observed. Key words: cotton, sort, gamma ray, mutagen, sympodial branch, vegetation period.

Effects of Two Different Doses of Hirudin on APTT, Determined with Eight Different Reagents

1995 ◽  
Vol 73 (02) ◽  
pp. 219-222 ◽  
Author(s):  
Manuel Monreal ◽  
Luis Monreal ◽  
Rafael Ruiz de Gopegui ◽  
Yvonne Espada ◽  
Ana Maria Angles ◽  
...  
Keyword(s):  
Ex Vivo ◽  
Anticoagulant Activity ◽  
Subcutaneous Administration ◽  
In Vitro Study ◽  
Ex Vivo Model ◽  
Suitable Candidate ◽  
Significant Prolongation ◽  
High Doses ◽  
Different Doses

SummaryThe APTT has been considered the most suitable candidate to monitor the anticoagulant activity of hirudin. However, its use is hampered by problems of standardization, which make the results heavily dependent on the responsiveness of the reagent used. Our aim was to investigate if this different responsiveness of different reagents when added in vitro is to be confirmed in an ex vivo study.Two different doses of r-hirudin (CGP 39393), 0.3 mg/kg and 1 mg/kg, were administered subcutaneously to 20 New Zealand male rabbits, and the differences in prolongation of APTT 2 and 12 h later were compared, using 8 widely used commercial reagents. All groups exhibited a significant prolongation of APTT 2 h after sc administration of hirudin, both at low and high doses. But this prolongation persisted 12 h later only when the PTTa reagent (Boehringer Mannheim) was used. In general, hirudin prolonged the APTT most with the silica- based reagents.In a further study, we compared the same APTT reagents in an in vitro study in which normal pooled plasma was mixed with increasing amount of hirudin. We failed to confirm a higher sensitivity for silica- containing reagents. Thus, we conclude that subcutaneous administration of hirudin prolongs the APTT most with the silica-based reagents, but this effect is exclusive for the ex vivo model.

Melatonin actions in the heart; more than a hormone

2018 ◽  
Vol 1 (1) ◽  
pp. 21-26 ◽  
Author(s):  
Darío Acuña-Castroviejo ◽  
Maria T Noguiera-Navarro ◽  
Russel J Reiter ◽  
Germaine Escames
Keyword(s):  
Cell Membranes ◽  
Myocardial Cell ◽  
Rat Tissues ◽  
Dependent Manner ◽  
Broad Distribution ◽  
Multiple Organs ◽  
High Doses ◽  
Extrapineal Melatonin ◽  
Dose Dependent ◽  
Different Doses

Due to the broad distribution of extrapineal melatonin in multiple organs and tissues, we analyzed the presence and subcellular distribution of the indoleamine in the heart of rats. Groups of sham-operated and pinealectomized rats were sacrificed at different times along the day, and the melatonin content in myocardial cell membranes, cytosol, nuclei and mitochondria, were measured. Other groups of control animals were treated with different doses of melatonin to monitor its intracellular distribution. The results show that melatonin levels in the cell membrane, cytosol, nucleus, and mitochondria vary along the day, without showing a circadian rhythm. Pinealectomized animals trend to show higher values than sham-operated rats. Exogenous administration of melatonin yields its accumulation in a dose-dependent manner in all subcellular compartments analyzed, with maximal concentrations found in cell membranes at doses of 200 mg/kg bw melatonin. Interestingly, at dose of 40 mg/kg b.w, maximal concentration of melatonin was reached in the nucleus and mitochondrion. The results confirm previous data in other rat tissues including liver and brain, and support that melatonin is not uniformly distributed in the cell, whereas high doses of melatonin may be required for therapeutic purposes.

Irrigation regime and water consumption of potatoes in the Republic of Bashkortostan, depending on the reclamation condition of lands

2020 ◽  
Vol 0 (6) ◽  
pp. 13-19
Author(s):  
Guzel Gumerova ◽  
Georgiy Gulyuk ◽  
Dmitry Kucher ◽  
Anatoly Shuravilin ◽  
Elena Piven
Keyword(s):  
Water Consumption ◽  
Weather Conditions ◽  
Growing Season ◽  
Vegetation Period ◽  
Forest Steppe ◽  
Total Water ◽  
Total Water Consumption ◽  
Republic Of Bashkortostan ◽  
Irrigated Lands ◽  
The Republic

Data of long-term researches (2015–2018) in southern forest-steppe zone of the Republic of Bashkortostan, is justified theoretically and experimentally the mode of irrigation of potatoes on leached chernozems of unsatisfactory, satisfactory and good ameliorative condition of irrigated lands. For the growing periods of potatoes with different heat and moisture supply, the number of watering, the timing of their implementation, irrigation and irrigation norms are established. On lands with unsatisfactory meliorative state the number of irrigation depending on weather conditions of potato vegetation period varied from 0 to 3 (1.5 on average) with average irrigation norm – 990 m3/ha. With satisfactory meliorative state of lands the number of irrigation on average increased from 0 to 4 (2.3 on average) with irrigation norm – 1305 m3/ha. On lands with good meliorative state the number of irrigation was the highest – from 1 to 5 (3 on average) with average irrigation irrigation norm is 1653 m3/ha. It was noted that in the dry periods of potato vegetation the greatest number of watering was carried out (3–5 watering), and in the wet periods (2017) watering was not carried out except for the area with a good reclamation state, where only one irrigation was carried out by the norm of 550 m3/ha. Water consumption of potato was studied in dynamics as a whole during the growing season and the months of the growing season depending on weather conditions of vegetation period and land reclamation condition of irrigated lands, as well as in the control (without irrigation). The lowest total water consumption was in the area without irrigation and averaged 226.8 mm. In irrigated areas, its values increased to 319-353.4 mm. The average daily water consumption varied from 2.12 to 3.3 mm. The highest rates of potato water consumption were observed in June and July, and the lowest – in May and August. In the total water consumption of potatoes on the site without irrigation, the largest share was occupied by atmospheric precipitation and in addition to them the arrival of moisture from the soil. Irrigation water was used in irrigated areas along with precipitation, the share of which was 30.2–46.1 %.

scholarly journals The Effects of N-Acetylcysteine on the Rat Mesocorticolimbic Pathway: Role of mGluR5 Receptors and Interaction with Ethanol

2021 ◽  
Vol 14 (6) ◽  
pp. 593
Author(s):  
Sandra Fernández-Rodríguez ◽  
Claudia Esposito-Zapero ◽  
Teodoro Zornoza ◽  
Ana Polache ◽  
Luis Granero ◽  
...  
Keyword(s):  
Behavioral Activation ◽  
Ethanol Administration ◽  
Metabotropic Receptors ◽  
Negative Allosteric Modulator ◽  
High Doses ◽  
Cell Expression ◽  
Mucolytic Agent ◽  
Different Doses

N-acetylcysteine (NAC) is a prodrug that is marketed as a mucolytic agent and used for the treatment of acetaminophen overdose. Over the last few decades, evidence has been gathered that suggests the potential use of NAC as a new pharmacotherapy for alcohol use disorder (AUD), although its mechanism of action is already being debated. In this paper, we set out to assess both the potential involvement of the glutamate metabotropic receptors (mGluR) in the possible dual effect of NAC administered at two different doses and NAC’s effect on ethanol-induced activation. To this aim, 30 or 120 mg/kg of NAC was intraperitoneally administered to rats with the presence or absence of the negative allosteric modulator of mGluR5 (MTEP 0.1 mg/kg). Thereafter, the cFOS IR-cell expression was analyzed. Secondly, we explored the effect of 120 mg/kg of NAC on the neurochemical and behavioral activation induced by intra-VTA ethanol administration (150 nmol). Our results showed that the high NAC dose stimulated cFOS expression in the NAcc, and that this effect was suppressed in the presence of MTEP, thus suggesting the implication of mGluR5. Additionally, high doses could attenuate the ethanol-induced increase in cFOS-expression in the NAcc, probably due to a phenomenon based on the long-term depression of the MSNs. Additional experiments are required to corroborate our hypothesis.

EFFECTS OF OSMOTIC GRADIENTS ACROSS THE PRIMATE PLACENTAL UPON FETAL AND PLACENTAL WATER CONTENTS

PEDIATRICS ◽  
1964 ◽  
Vol 34 (3) ◽  
pp. 407-411
Author(s):  
Paul D. Bruns ◽  
Andre E. Hellegers ◽  
A. Elmore Seeds ◽  
Richard E. Behrman ◽  
Frederick C. Battaglia
Keyword(s):  
Sodium Chloride ◽  
Amniotic Fluid ◽  
Rhesus Monkeys ◽  
Solute Concentration ◽  
Total Water Content ◽  
Total Water ◽  
Concentration Gradients ◽  
Maternal Circulation ◽  
Total Body ◽  
Water Contents

Infusions of 2.7 g/100 ml sodium chloride or 30 g/100 ml disaccharide solutions into the maternal circulation of pregnant rhesus monkeys produced a significant reduction in fetal and placental total water content. At the same time large transplacental total solute concentration gradients were produced. The injection of sucrose into the amniotic fluid of pregnant rhesus monkeys produced a reduction in fetal total body water alone. The significance of these differences is discussed.

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