Gujarat

About Authors:
CHIRAG S. RAJPARA*¹, JAWED AKHTAR¹, AMIT KHANDHAR²
1. Department of Quality Assurance, School of Pharmaceutical Sciences, Jaipur National University, Jagatpura, Jaipur-302025, Rajasthan, India.
2. Zydus cadila pharma, moraiya,ahmedabad.
*chiragrajpara2601@gmail.com

ABSTRACT
* A simple, specific, accurate and stability-indicating reversed phase high performance liquid chromatographic method was developed for simultaneous estimation of Tadalafil and Dapoxetine HCL, Water Symmetry C-18 (150 x 4.6 mm),5 µ and a mobile phase composed of Buffer : Acetonitrile (65:35)

* The retention time of Tadalafil and Dapoxetine HCL were found to be10.08 and 4.45 min respectively. Linearity was established for Tadalafil and Dapoxetine HCL in the range of 8.0-60 μg/ml and 24.0-180.0 μg/ml respectively. The percentage recovery of Tadalafil and Dapoxetine HCL were found to be in the range of 99.7-100.6% and 98.07-99.09% respectively. The drug was subjected to acid and alkali hydrolysis, oxidation, dry heat and photolytic degradation. The degradation studies indicated, Tadalafil showed degradation in acid and alkali while it was found stable in H₂O_2, photolytic and in presence of dry heat and Dapoxetine showed degradation in thermal and peroxide while it was found stable in rest of parameters . The degradation products of Tadalafil and Dapoxetine HCL in acidic, alkaline conditions were well resolved from the pure drug with significant differences in their retention time values. This method can be successfully employed for the quantitative analysis of Tadalafil and Dapoxetine HCL in bulk drugs and formulations.

About Authors:
Roshni Patel*, Prof. Arun Parikh, Prof. Vijayalakshmi  Gudaparthi
Department of Pharmaceutical Chemistry, L.J.Institute of Pharmacy,
S.G.Highway, Ahmedabad-382210
*roshanimpharm@gmail.com

ABSTRACT
Medicinal chemistry involves chemical aspects of identification, and then systematic, thorough synthetic alteration of new chemical entities to make them suitable for therapeutic use. Indazoles have an important role in medicinal chemistry. Indazole  nucleus is an important class of nitrogen containing heterocyclic widely used as key building block for the synthesis of various pharmaceutically important agents. Indazole possess wide range of biological activities such as bactericidal, fungicidal, analgesic, antihypertensive, anti-inflammatory and antitumor. In the present study we have synthesized some novel 3,3a,4,5-tetrahydro-2-(substituted benzenesulphonyl)-3-(substituted phenyl)-2H-benzo[g]indazoles, by condensation of  1-tetralone with different substituted aromatic aldehydes and the resulted 2-(substituted benzylidene)-3,4,-dihydronaphtalen-1-ones on reaction with hydrazine hydrate in methanol followed by treatment with different substituted sulfonyl chlorides in pyridine gave the titled compounds.The synthesized compounds were characterized by IR, NMR and Mass spectral analysis. All newly synthesized derivatives were evaluated for antibacterial activity against  gram + ve and gram-ve bacteria B.cereus, S.aureus and E.coli respectivelyand antifungal activity againstC.albicans and all the synthesized compounds showed significant antibacterial and antifungal activity.

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J. B. Chemicals & Pharmaceuticals Ltd. (JBCPL), known to many as Unique Pharmaceutical Laboratories is one of India's leading global pharmaceutical companies. The company manufactures and markets a wide range of pharmaceutical formulations.

About Author:
Hardik Patel^*, Sagar Solanki
Department of Pharmaceutical Chemistry,
K.B.Raval College of Pharmacy, Shertha,
Gandhinagar-382423, Gujarat, India.
*patel1928@yahoo.in

ABSTRACT
A new, simple, rapid, accurate, precise and sensitive method has been developed for the simultaneous estimation of Furosemide and Spironolactone in their combined tablet dosage form. The method was carried out on a Hiber C₁₈ column (250 mm×4.6mm, i.d.5 μm) with a mobile phase consisting of acetonitrile: water at a flow rate of 1 ml/min and the detection was carried out at 237 nm. The retention time of Furosemide and Spironolactone was 3.81 min and 7.28 min. respectively. Linearity for Furosemide and Spironolactone were found in the range of 2-10 μg/ml and 5-25 μg/ml respectively. The developed method was validated in terms of linearity, accuracy, and precision, limit of detection (LOD) and limit of quantification (LOQ). The proposed method can be used for estimation of both drugs in their combined dosage form.

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About Authors:
*Thoriya J. G, Patel S. D, Tank H. M
Matushree V. B. Manvar College of Pharmacy- Dumiyani,
Rajkot
*thoriya.jignesh@gmail.com

ABSTRACT
Pioglitazone HCl is used for the management of type-2 diabetes. It is an absorption window limited drug, whose solubility decreases with increase in the pH and has a short half life of 3-7 h. Here an attempt is made to developed the floating matrix tablets, which design in way that after oral administration the GI resistant time is  prolonged and thus to give sustained action with increase in the bioavailability of the drug. Pioglitazone HCl showed maximum absorption at wavelength 269 nm in 0.1N HCl. various formulations were developed by using release rate controlling and gel forming polymers like HPMC, and Carbopol-934 in single and combinations by direct compression method with the incorporation of sodium bicarbonate as gas generating agent. The prepared tablets were characteristics by drug content, floating property, swelling and in vitro dissolution test using USP dissolution test apparatus Type – II (paddle method) in dissolution medium of 0.1 N HCl. The in vitro dissolution results of all tablets were computed by using dissolution software. The prepared tablets were found to be good hardness, diameter, weight variation, thickness, friability drug content, floating property and in vitro drug release. Drug-polymer compatibility studies by FTIR gave conformation about drug purity and showed no interaction between drug and selected polymers. All the formulations had floating lag time below 3 minutes and constantly floated on dissolution medium for more than 12 h. Swelling studies indicated significant water uptake and contributed in drug release. From among all the developed formulations, as F7 prolonged the drug release (95.45 %) for longer period of time (12 hrs.); they were selected as best formulations. The best formulations were found to be stable during stability studies for two months. Thus, selected formulations satisfied floating time, swelling index and in vitro drug release profile requirements for a floating drug delivery system.Tablets of Pioglitazone HCl prepared with HPMC K4M, HPMC K100M and Carbopol 934P were found to be acceptable floating property, water uptake and in vitro drug release.

About Authors:
Vedant Pandya
M.Sc. Biotechnology,
Department  Of  Biotechnology,
Shree M.N.Virani Science College, Rajkot
vedantpandya007@gmail.com

Abstract :
The potential of Cosmarium species, belonging to green Micro algae, was investigated as a viable biomaterial for biological treatment of triphenylmethane dye, Malachite Green (MG).  This can be used for the bioremediation of dye effluents. The results obtained from the batch experiments revealed the ability of algal species in removing dye.  The effects of operational parameters (temperature, pH, dye concentration and algal  concentration) on decolorization were examined.  The stability and efficiency of the algae in long-term repetitive operations were also examined. Michaelis–Menten kinetics was used to describe the apparent correlation between the decolorization rate and the dye concentration.

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About Authors:
Kalpen N. Patel*, Maulika S. Patel, Divya Thakkar, Manan Patel, Kaushal Raval
Shree Krishna Institute of Pharmacy, Shankhalpur,
Bechraji, Mahesana, Gujarat, India.
*kalpenpharma@gmail.com

ABSTRACT
Sustained releases tablets have been used for reduced the dosing frequency and maintain the plasma drug concentration level within narrow therapeutic range. Aspirin used as antiplatelate agent and Atorvastatin is HMG-CoA reductase inhibitor which lowers the plasma concentration of cholesterol. Here in present study sustained release tablets of Aspirin and Atorvastatin prepared by using cellulose acetate phthalate (CAP) and microcrystalline cellulose (MCC) as a polymers. The sustain release tablet of Aspirin And Atorvastatin were prepared by wet granulation method and were substituted for film coating to mask the spotting from Atorvastatin and for protection from light. From the dissolution profile of F2B2 gives controlling the release up to 12 hrs with required value i.e. - 55.85 % for Aspirin and 54.78 % for Atorvastatin in 4 hrs respectively and 100.70 % for Aspirin and 100.60 % for Atorvastatin in 12 hrs respectively. The result of stability studies of batch F2B2 indicate that it is stable at 400C / 75 % ±0.5 % relative humidity as there was no significant differences observe for dissolution and average drug content data after two months.

About Authors:
Ritesh Shah*, Gaurav Chandawat, Rahul Jadav, Bhoomi Arora
Institute Of Clinical Research (India),
Ahmedabad, Gujarat-380013, India
*ritesh_shah99@yahoo.com

ABSTRACT
Venous thromboembolism (VTE) complicates approximately 1 to 2 of 1,000 pregnancies, with pulmonary embolism (PE) being a leading cause of maternal mortality and deep vein thrombosis (DVT) an important cause of maternal morbidity. The main reason for the increased risk of thromboembolism in pregnancy is hypercoagulability, which has likely evolved to protect women from the bleeding challenges of miscarriage and childbirth. Women are at a 4- to 5-fold increased risk of thromboembolism during pregnancy and the postpartum period compared with when they are not pregnant. Eighty percent of the thromboembolic events in pregnancy are venous, with an incidence of 0.61 to 1.72 per 1000 pregnancies.Includes a history of thrombosis, inherited and acquired thrombophilia, maternal age greater than 35, certain medical conditions, and various complications of pregnancy and childbirth.

Despite the increased risk of VTE during pregnancy and the postpartum period, most women do not require anticoagulation. The intensity of the anticoagulation will depend on the indication and the monitoring will depend on the intensity. At the time of delivery, anticoagulation should be manipulated to reduce the risk of bleeding complications while minimizing the risk of thrombosis. There are no large trials of anticoagulants in pregnancy, and recommendations are based on case series, extrapolations from nonpregnant patients and the opinion of experts. Nonetheless, anticoagulants are believed to improve the outcome of pregnancy for women who have, or have had, VTE.