Archives-May 2020

The inhibition of the corrosion of mild steel in 0.1 M HCl solution by Pyridine from 303 K to 333 K at concentrations of 5 x 10-4 M, 1 x 10-4 M, 5 x 10-5, 2 x 10-5 M and 1 x 10-5 M was studied using gravimetric technique. The maximum inhibition efficiency 70 % at 5 x 10-4 M for 333 K was observed. The compound acted as corrosion inhibitors in 0.1 M HCl solution through adsorption on the mild steel surface. The maximum heat of adsorption (Q) was 1.0297 KJ/mol whereas the average kinetic energy (Ea) was 20.0 KJ/mol. The weight loss data treated kinetically gave a first order type of mechanism. The results elucidated the effects of inhibitor concentration, temperature, d? – P? interaction between the metal surface, the heteroatom of the inhibitor, and the electron charge densities on the heteroatoms of the Pyridine molecule. The adsorption of the inhibitor on the metal surface obeyed Temkin adsorption isotherm. Quantum chemical calculations using Hartree-fock density functional theory by Hamiltonian method was employed with PM3 (NDDO) basic set of minimal valence basis as STO3G Program.

Cryptorchidism is an anomaly of testicular migration. It is a congenital pathology that is the subject of many controversies. Its major risks are represented by malignant degeneration and male infertility. The purpose of this manuscript is to better understand the physiopathological implications of the undescended testicle in infertility through a review of the literature.

The Objective of the study was to compare the % maximal heart rate achieved by the subjects at the end of each test to verify whether or not % maximal heart rate achieved by post 6 minute step test is more than 6 minute walk test 6MWT and 6MST were performed according to the American Thoracic Society guidelines. Blood Pressure, Respiratory Rate, Oxygen Saturation, Heart Rate and %Maximal Heart Rate were measured and recorded. The Cross Sectional Observational Study performed on Local Football Club , Pune. The heart rate post 6MWT increased significantly but within normal range (p <0.04).The mean % MHR pre-test was 38% and post-test was 42%. The heart rate post 6MST increased significantly too but within normal range. The mean %MHR pre-test was 37% and post-test was 47%. (p <0.01). As there is a significant increase in the %MHR post 6 minute step test in football players, it can be concluded that the two tests i.e. 6 minute walk test and 6 minute step test are not interchangeable in the following population. This also concludes that the 6 minute step test can be used to increase the cardiovascular endurance in Football Players.

Intramedullary metastasis is extremely rare, this report describes a case of a women aged 52, with a metastatic breast cancer spreads to brain, spine (vertebrea) and bones under chemotherapy. The patient consults for weakness and troubles walking. MRI has shown intra medullary metastasis. Our goal through this report is to describe a new case of a breast cancer intra medullary metastasis knowing that the most common primitive tumor was related to lung cancer.

Table of contents for the month of May 2020