Preparation and characterization and biodistribution studies of lomustine loaded plga nanoparticles by interfacial deposition method

The incorporation of lomustine, a hydrophobic anticancer drug into PLGA nanoparticles by interfacial deposition method was optimized. Based on the optimal parameters, it was found that lomustine-PLGA nanoparticles with acceptable properties could be obtained. Optimization of formulation variables to control the size and drug entrapment efficiency of the prepared nanoparticles seems to be based on the same scientific principles as drug-loaded nanoparticles prepared by nanoprecipitation, solvent evaporation method. The process was the most important factor to control the particle size, while both the drug-polymer interaction and the partition of drug in organic and aqueous phases were the crucial factors to govern the drug entrapment efficiency. PLGA concentration at lower level (100 mg), 1:5 organic phase: aqueous ratio, 1%w/v PVA concentration, 3%w/v pluronic F68 achieved smaller particle size. Additionally, L:G ratio of PLGA 75:25, lower volume of organic solvent (1:10 organic phase: aqueous phase), higher initial drug content (10 mg) enhanced the drug entrapment efficiency and maintained lomustine concentration in blood for an extended time period, elevated lomustine concentration in lungs and slowed the elimination of lomustine. The biodistribution profiles of prepared nanoparticles in albino mice showed higher plasma drug concentration for longer period of time, elevated drug concentration in lungs and slow elimination from kidney. No toxic effects of prepared nanoparticles were observed in histopathological examination of lungs and kidney. The systematic investigation reported here promises the development of PLGA nanoparticles loaded with lomustine when tested in Lung Cancer cell line L132 and toxicological/ histopathological studies in albino mice.

Archana Mehrotra Archana mehrotra

Serum electrolyte levels in libyan patients with type ii diabetes mellitus

The incidence of diabetes mellitus has increased globally making it a major public health concern. Diabetes mellitus is the most common metabolic disorder that causes an imbalance in the electrolytes which regulate essential metabolic mechanisms of the body. This study aimed to estimate the electrolyte levels in Libyan patients with type II diabetes mellitus and to investigate their relations to glycemic control and body mass index. A total of 122 Libyan subjects whose ages ranged between 35 years and 60 years for both sexes were included in this study, 77 patients were type II diabetic patients (37 males and 40 females) and 45 subjects were healthy individuals (23 males and 22 females) live in Tripoli area, Libya. The levels of blood glucose, HbA1c, sodium, potassium, chloride, magnesium and calcium were estimated in this study along with the measurement of body mass index, systolic and diastolic blood pressure. All the findings were statistically analyzed by one-way ANOVA test. Significant increases in glucose, HbA1c, potassium, chloride, calcium, blood pressure and BMI among diabetic patients were observed as compared to the healthy individuals. On the other hand, significant decreases in sodium and magnesium levels among the diabetic patients were observed as compared to the control group. In addition, significant alterations in all the biochemical parameters in uncontrolled diabetic patients as compared to the controlled diabetic patients, and in unhealthy weight diabetic patients as compared to the healthy weight patients. It is concluded that diabetes mellitus results in an imbalance of electrolytes. Poor glycemic control and obesity have adverse effects on electrolyte balance among diabetic Libyan patients. Good glycemic control, maintaining a healthy weight and regular evaluation of electrolytes among diabetics can reduce the fatalities associated with electrolyte rearrangements.

Mediterranean Journal of Pharmacy and Pharmaceutical Sciences Mediterranean journal of pharmacy and pharmaceutical sciences

The effect of phaseolus vulgaris l. fixed oil on the behavioural activity of swiss albino mice

Background: Phaseolus vulgaris, commonly known as kidney bean, has been studied previously for pharmacological properties such as antidiabetic, antioxidant, analgesic, anti-inflammatory, antifungal, and antibacterial properties. Various extracts of the seeds have been researched except fixed oils. Objective: Therefore, the present study aims to investigate the behavioral activity of fixed oil extracted from Phaseolus vulgaris seeds. Methodology: Hole board, light and dark, stationary rod and open field tests were used for behavioral evaluation. Four groups were made with seven mice in each : (1) Control = Normal saline 2ml/kg (2) Phaseolus vulgaris fixed oil = PVFO 2ml/kg (3) PVFO 4ml/kg (4) Diazepam (1mg/kg) as standard. All treatments were given orally 30 minutes before the performance of tests. In the hole board test, PVFO 4ml/kg decreased the number of head poking (p≤0.01). Results: In light and dark tests, PVFO in both doses reduced the time spent in the light compartment (p≤0.01). In the open field test, the number of peripheral lines crossed was decreased (p≤0.05), whereas in the stationary rod test, no effect was observed by any dose of PVFO. Conclusion: Results indicate that Phaseolus vulgaris fixed oil does not affect memory or learning in mice and may possess a dose-dependent sedative hypnotic effect.

Dr. Salman Ahmed Dr. salman ahmed

Phytochemical evaluation & pharmacological screening of didymocarpus pedicellata and ashwagandha for antiurolithiatic activity

The kidney stones are one of the most widely spreading disorders in the world. The present study was undertaken to evaluate the efficacy of ethanolic extract of Didymocarpuspedicellata and Ashwagandha for its antiurolithiatic activity in rats. Urolithiasis was induced in adult male albino wistar rats by 0.75% of ethylene glycol for 28 days. The effect of the oral administration of the ethanolicextracts has been studied and is compared with the effect of oral administration of Cystone(Himalaya) as a standard on Wistar rat. Ethylene glycol feeding resulted in hyperoxaluria as well as increased renal excretion of calciumand phosphate. Supplementation with ethanolic extract of the plants significantly reduced the elevated urinary oxalate, showing a regulatory action on endogenous oxalate synthesis. Both the plant extract showed significant antiurolithiatic activity

Zeenath Banu Zeenath banu

Research article list & database

This is a non-inclusive collection of my published articles.

Mostafa Eissa Mostafa eissa

Ru-dye grafted cus and reduced graphene oxide (cus/rgo)composite:an efficient and photo tunable electrode for dye sensitized solar cells

The CuS@reduced graphene oxide (CuS/RGO) hybrid nanocomposite was synthesized by facile hydrothermal method and used as a photoelectrode material in photovoltaic applications. In the hydrothermal route, RGO is formed by the reduction of GO with simultaneous formation of CuS/RGO nanocomposites. The CuS/RGO nanocomposites was investigated using powder XRD, TEM, HR-TEM, Raman, XPS, DRS UV–Vis spectroscopy, Photoluminescence (PL) measurements. XRD and TEM results suggest that CuS crystalline with individual spherical like homogeneous nanoparticles sizes in the range of 45–35 nm, which is distributed throughout the RGO sheets. We further construct the flexible photoelectrodes by using CuS and RGO and studied the photovoltaic performance. Photovoltaic parameters, such as short-circuit photocurrent density, open circuit voltage, fill factor and conversion efficiency were found to be 16 mA/cm2 , 0.71 V, 70.1% and 7.81% respectively, for CuS/RGO photoelectrode. The improved photo conversion efficiency of CuS/RGO is due to enhancing the electronic injection ability and reducing the photogenerated charge recombination. These photovoltaic results indicate a simple methodology for the low cost and effortless synthesis of an alternative CuS/RGO photoelectrode in high performance photovoltaic devices.

Dr.k.k.saravanan

A progressive review on the synthesis of atovaquone (an anti-malarial drug), empowered by the critical examination of prior-art disclosures

In this article, a systematic flow of contents was provided with regard to the synthesis of Atovaquone 1a on critical examination of the prior-arts. Several patents and study articles were published, disclosing different synthetic methods for the preparation of Atovaquone 1a at various scales. Based on the starting materials used, there are a few one-step, two-step and multi-step synthetic routes were reported with varied yields. In this work, we have put in our sincere effort to collect all the synthetic routes of Atovaquone 1a in detail with distinct and elaborate reaction schemes for a better and collective process clarity. From this review, global researchers will get a platform to re-design or re-work on the synthetic approach of Atovaquone 1a with better atom economy and purity. In addition, the drug commercialization angle could also be looked in during the design stage itself alongside green chemistry concepts. We have done the chronic analysis of study articles to highlight the commercial feasibility of the disclosed synthetic methods. A special emphasis was given to the synthetic routes with process development initiatives towards, recovery/reuse of costly starting materials/reagents/solvents and their feasibility for large scale manufacturing of drug Atovaquone 1a.

Mediterranean Journal of Pharmacy and Pharmaceutical Sciences Mediterranean journal of pharmacy and pharmaceutical sciences

Role of diaphragmatic breathing exercise in the rehabilitation of chronic low back ache

A 55‑year‑old male patient who has undergone physiotherapy sessions on and off for about 6 months has been admitted to the hospital for the recurrence of back pain along with it he has slight breathing issues while performing day‑to‑day activities, especially in forward bending activity and has been treated with pain killers and muscle relaxants during the medication periods. The patient is feeling better again, but his symptoms continue to worsen. Later, he was referred to a pulmonologist for additional evaluation after presenting with decreased diaphragm excursion, which was causing a disordered breathing pattern. He was treated with medication and referred to additional rehabilitation for low back pain management after a thorough physical examination that also included checking the patient's core and deep breathing muscles Activities of Daily Living (ADL) activities. Keywords: Chronic low back ache, diaphragm excursion and lumbar mobility, diaphragmatic breathing exercise

Nagaraj sibbala Nagaraj sibbala

Modern calculation tools and efficiency of insurance management in the global pandemic period

The main purpose of the research is to develop modern tools for insurance management in the global economic crisis, to make an objective assessment based on a critical analysis of existing ones, to identify situations that could lead to international economic, social and natural threats. It is made some recommendations for the development of insurance calculations for the republic of Uzbekistan. Methods: Methods for reforming modern calculation of insurance tariff are recommended by means of theories of probabilities, statistical and mathematical analysis, and foreign advanced countries practical types of summarizing. Findings: While making an analysis, it has found that modern tools for the insurance management of Uzbekistan are needed. We proved this by the results of the modern calculation of insurance in tables (1-6). For the development of the insurance market of Uzbekistan, it should be analyzed by means of penetration and density of insurance premiums, making the deepest calculation of risks of the economy of Uzbekistan, and using the main principals and formulas of the theory of probability. Conclusions: In the end, we can take some results, and give some recommendations such as using the tools of theories of probabilities can help us find the main risks of economy, its powers of influences of the market economy, statistical and mathematical analysis also add some practical, objective results for making under control of any types of insurance risks.

Ikboljon Odashev Mashrabjonovich Ikboljon odashev mashrabjonovich

Adaptive speed controller for micro gas turbine systems using evolutionary search based on genetic algorithms

Micro Gas Turbines (MGTs) are compact power generation systems that offer several advantages such as highpower density, low emissions, and fuel flexibility. They are commonly used in remote areas where grid connectivity is limited or unreliable. However, MGTs suffer from inherent instability issues due to their small size and high rotational speeds. These instabilities can lead to irregular speed responses, affecting the overall performance and reliability of the system. To address these concerns, the researchers utilized a genetic algorithm (GA)-based approach and conducted sensitivity studies to analyze the iteration parameter of the GA and its impact on the speed response of the MGTs. To evaluate the performance of the developed solution, they employed the Mean Step of Absolute Speed Error (MSASE) evaluation metric and compared the outcomes of the proposed strategy with a baseline Proportional Integral (PI)-only solution. The results demonstrated that the proposed solution surpassed the baseline approach by delivering a superior error response. Similarly, the findings suggested that the optimal iteration parameter setting for the GA was a maximum of 30 compared to 20 and 10 consequently lessening the settling time from 140s to 60s. Accordingly, the researchers concluded that optimizing the GA's iteration parameter could lead to enhanced stability in the speed response of the MGT units. Subsequently, this can bolster the power generation capacities of the units, highlighting the potential for enhanced efficiency and stability in MGT operations. As a final recommendation, the study advised practitioners working with MGTs to adopt the proposed GA-based speed control strategy to optimize the overall performance and reliability of these units.

FXintegrity Publishing Fxintegrity publishing

New mathematical model for software quality prediction of component-based software using shuffled frog-leaping algorithm

Customer satisfaction and profit making are the two motives that define software quality; therefore, software industry uses new technologies like component-based software engineering, re-engineering, etc., to make their software production more profitable. The proposed mathematical model is executed under ISO/IEC 9126 quality assurance model and justifies the definition of software quality given by IEEE 1061(1998). The model calculates the degree of stakeholder satisfaction (Q) by combining the quality attributes and it is validated using Shuffled Frog-Leaping Algorithm (SFLA) which improved the result by 2.46%

Dr deepak panwar

Design and development of framework for big data based smart farming system

Improving the agricultural productivity is an imminent need to meet the food requirement of constantly growing population rate. It can be gracefully satisfied if the farming process is integrated through technologies such as big data and IoT. The integration of agricultural processes with modern technologies has emerged as the smart agriculture technology. This research work is focused on proving the suitability of the big data analytics for smart agricultural processes in terms of increasing production and quality of yields with less resources and overhead. This research paper expounds the extensive review carried out on the related works in smart agricultural farming, challenges in implementing the smart farming technologies at large scale, followed by the conceptual framework model for the effective implementation of big data together with IoT devices in smart farming.

Dr H Shaheen Dr h shaheen

Https://tech.ebayinc.com/engineering/how-ebays-new-search-feature-was-inspired-by-window-shopping/

A new feature generates customer delight by using modern computer vision techniques to drive new search paradigms through visual discovery.

Senthilkumar Gopal Senthilkumar gopal

Effect of in-vitro differentiated bone marrow mesenchymal stem cells in the treatment of peripheral nerve injury in rats

Peripheral nerves are more prone to damage during trauma. Though nerve grafts are used as an alternative method in treating it, the results are purely ambiguous. One such modern approach to treat peripheral nerve injury is bone marrow differentiated neuronal cells. Our present aim is to study the effect of in-vitro differentiated bone marrow mesenchymal stem cells (BMSCs) in the treatment of peripheral nerve injury in rats. Six weeks old rat weighing 80 gm was used for isolation and culture of BMSCs. The second passage cells were taken for neuronal differentiation. Flow cytometry and immunocytochemistry were performed with Anti goat IgG antibody indirectly conjugated with FITC to express nestin. In vitro differentiated BMSC along with PLGA Scaffold is injected into the site of peripheral nerve injury and the results were studied by ENMG, microdissection, and histopathology. The cells were expressed with Nestin goat polyclonal antibody. At the end of the second week, the rat reveals increased amplitude (8.3 mv) with decreased latency (0.8 ms) of the peripheral nerve. Micro dissection confirms the neuronal continuity of the injured peripheral nerve. Histopathology distinctly exhibit increased myelination and decreased endoneuronal space. In conclusion, neuronal differentiated BMSC, regenerate peripheral nerve injury faster than conventional methods and can be applied as an alternate therapy in peripheral nerve repair.

Mediterranean Journal of Pharmacy and Pharmaceutical Sciences Mediterranean journal of pharmacy and pharmaceutical sciences

Rapid roadside drug testing in saliva using in vitro tongue

The propagation of using drugs on the road was the main reason for focusing on the development of the rapid methods which are used to detect the presence of drugs which may have been taken. Oral fluid has become a popular specimen to test for the presence of drugs. In vitro tongues were prepared with different concentrations of hydroxypropyl methyl cellulose (HPMC E4M); one of these concentrations was chosen to be used for tests. Chemical reagents were prepared which included: cobalt thiocyanate, fast blue B test, Marquis, Mandelin and Zimmerman reagents which were used to examine eight drugs in three different concentrations, each of 10.0 mg/mL, 05.0 mg/mL and 01.0 mg/mL where each reagent was used for a particular drug. The drugs were amphetamine, cannabis, cocaine, 3,4-methylenedioxymethamphetamine (MDMA), codeine, diazepam, heroin, methadone and morphine. Each drug was tested by a specific reagent. The difference in the concentrations gave various results in terms of achieving positive results and the ratio of the clarity of the colour. The amount of the drug on the tongue was between 20 μg and 400 μg. Positive and negative results were obtained in this study. Most of the high concentrations gave positive results; however, the low concentrations gave different results which were between positive, negative and light or very light in colour. In conclusion, there is an explanation of the difference in sensitivity of the effects of the different kinds of reagents in the drug, such as cobalt thiocyanate which was more sensitive at the low concentration of heroin and gave a clear result.

Mediterranean Journal of Pharmacy and Pharmaceutical Sciences Mediterranean journal of pharmacy and pharmaceutical sciences

Bioefficacy of insecticide against tur pod bug, clavigralla gibbosa (spinola) on pigeonpea [cajanus cajan (l.) millsp.]

Pod sucking bugs are the key impediments for the low productivity in India. Nymphs and adults of tur pod bug, Clavigralla gibbose (Spinola) suck the cell sap from the pods and cause loss of the grain. Because of its high fecundity and wide host adaptability, it is necessary to check its damage potential. For this purpose, an experiment on bioefficacy of insecticides against this insect was conducted in the laboratory-cum-field conditions on cultivar “Paras” during kharif season 2010-11, 2011-12 and 2012-13. Eight insecticides viz., endosulfan 35EC, monocrotophos 36SL, chlorpyriphos 20EC, quinalphos 25EC, triazophos 40EC, decamethrin 2.8EC, fenvalerate 20EC and cypermethrin 25EC were selected based on their LC50 values against this insect. Among the tested insecticides, cypermethrin proved most toxic (63.94 times) against adults of C. gibbosa followed by decamethrin. Quick knock down effect of decamethrin and fenvalerate was recorded in the field conditions. Therefore, the combinations of decamethrin and quinalphos with DDVP (76 EC) were also tested under field conditions. Cypermethrin, decamethrin plus DDVP, decamethrin and monocrotophos were found effective in managing the C. gibbose population upto 10 days after application. None of the insecticides could manage the bug population below ETL after 14 days of their application. Application of cypermethrin @ 188 mL ha-1 recorded the highest grain yield, highest net monetary returns and highest incremental cost benefit ratio, followed by decamethrin, fenvalerate and monocrotophos. Either of dimethoate or oxydemeton methyl could also manage the bug population

DR. BABU LAL JAT Dr. babu lal jat

Pharmacogenetic determinants of human liver microsomal aminopyrine metabolism and the role of cytochrome p450 2d6

Aminopyrine (AM) has been used as a model substrate for investigation of drug metabolism. The major metabolic route is N-demethylation that was confirmed in liver microsomes. The aim of the present study was to identify the human cytochrome P-450 enzyme (CYP) mediating the N-demethylation of 4-di-methylaminoantipyrine (4-DMAA) to 4-methylaminoantipyrine (4-MAA). The contribution of human CYP to the metabolism of (4-DMAA) to (4-MAA) in human was investigated using virus expressed human CYP, human liver microsomes with chemical inhibition studies. The substrate of 4-dimethylaminantipyrine was employed at different concentrations (11.5, 23, 46, 115 and 230 µmol per l) with varying concentrations of selective inhibitors of CYP (CYP1A2), (CYP3A4), (CYP2C8),(CYP2A6), (CYP2D6), (CYP2C19) and (CYP1A1). 4-DMAA and 4-MAA were analysed by HPLC and enzyme kinetic parameters (Km and Vmax) were calculated from the concentration data. The transformation of 4-dimethylaminoantipyrine to 4-methyaminoantipyrine by microsomes prepared from baculovirus-expressed human CYP was pronounced with CYP2D6. The metabolism of 4-dimethylaminoantipyrine was inhibited by 60.0% and 55.17% by a concentration of 100 µmo per l of the known CYP2D6 inhibitors quinidine and moclobemide. The corresponding Ki values were 0.050 and 0.11 mM, respectively. The corresponding IC50 values were 0.06 and 0.13 mM, respectively. The enzyme CYP2D6 apparently has an important role in N-demethyl-ation of 4-dimethylaminoantipyrine.

Mediterranean Journal of Pharmacy and Pharmaceutical Sciences Mediterranean journal of pharmacy and pharmaceutical sciences

Ecofriendly synthesis of pure and modified cumno3: it’s application as gas sensor

Recently, novel materials like gas-sensing metal oxides, mixed metal oxides, and modified mixed metal oxides have attracted great attention owing to their key roles in monitoring environmental pollution, security in hospitals, homes, and public places, and hazardous emissions from industries and automobile exhaust. Initially, the mechanochemical (MCh) method was employed for the synthesis of the CuMnO3 catalyst and then the modification of CuMnO3 through the hydrothermal route. These synthesized catalysts were characterized by Ultraviolet Violet-Diffused Reflectance (UV-DRS) spectroscopy, Fourier Transform Infrared Spectroscopy (FTIR), and Scanning Electron Microscopy (SEM). The average particle size obtained for 3 % Fe/CuMnO3 was found to be 14–28 nm. The present work proclaimed that among all the synthesized 1,3,5 % Fe/CuMnO3 materials, the 3 % Fe modified CuMnO3 material shows significant gas sensing properties towards highly toxic H2S gas released from sewage plants, oil, and natural gas industries, among NH3, CO2, H2S, H2, CO2 and Cl2 with moderate temperature requirements and excellent selectivity.

Shilpa Sangle Shilpa sangle

Factor structure of schizotypal personality in india

Introduction: Schizotypal personality represents genetic underpinning of schizophrenia spectrum disorders; hence, it provides conceptual models for understanding psychosis as well as a scheme for high-risk group identification. The study of structure of schizotypal personality is largely confined to western societies, whereas its assessment in varied socio-cultural groups is highly required. Aim: To study the factor structure of schizotypal personality in an Indian population. Materials and Methods: A sample of 492 college students (age, Mean= 21.3, SD= 2.61) filled the Hindi translated version of 74- items Schizotypal Personality Questionnaire (SPQ). Confirmatory Factor Analysis (CFA) technique was used to test the fitness (consonance of the modeled relationships, among latent and observed variables, in the sampled population) of different schizotypal personality models, that is, two-, three-, four-, bi-, and uni-factor models. The best-fit model was also studied for Measurement Invariance (MI) across gender groups. Results: Three, four, and bi-factor models adequately fitted the data. Whereas, four-factor model was the best good-fit model. It also showed partially strong MI across gender groups. The internal consistency of total SPQ was 0.90 and of subscales ranged from 0.62 to 0.78. Men scored higher on several schizotypal facets but lower on social anxiety as compared to women. Conclusion: The factor structure of schizotypal personality in India is similar to that reported elsewhere in the world. Thus, the present study supports the generalisation of schizotypal personality construct to the Indian people.

Sanjay kumar

An application of modified path matrix approach for detection of isomorphism among epicyclic gear trains

The identification of isomorphism in epicyclic gear trains has been found a lot of attention by researchers for the last few years. Various methods have been suggested by different authors for the detection of isomorphism in planer kinematic chains and epicyclic gear trains (EGTs), but everyone has found some difficulties to address new issues. In this paper, a modified path matrix approach was presented in order to compare all the distinct geared kinematic mechanisms. A new method based on the matrix approach and corresponding train values is required to identify isomorphism among epicyclic gear trains and their mechanisms. The proposed method was examined on the basis of various examples from four-link, five-link, six links, and eight-link one-degree-of-freedom EGTs and six links two-degree-of-freedom EGTs. All the examples have been found satisfactory results with existing literature.

Jiyaul mustafa

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