8 results on '"Sunil S. Menghani"'
Search Results
2. Preparation of Terbinafin-Encapsulated Solid Lipid Nanoparticles Containing Antifungal Carbopol® Hydrogel with Improved Efficacy: In Vitro, Ex Vivo and In Vivo Study
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Nilesh R. Rarokar, Sunil S. Menghani, Deweshri R. Kerzare, Pramod B. Khedekar, Ashish P. Bharne, Abdulhakeem S. Alamri, Walaa F. Alsanie, Majid Alhomrani, Nagaraja Sreeharsha, and Syed Mohammed Basheeruddin Asdaq
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solid lipid nanoparticles ,hydrogel ,antifungal ,terbinafin ,Candida albicans ,Pharmaceutical Science - Abstract
The present research was aimed to develop a terbinafin hydrochloride (TH)-encapsulated solid lipid nanoparticles (SLNs) hydrogel for improved antifungal efficacy. TH-loaded SLNs were obtained from glyceryl monostearate (lipid) and Pluronic® F68 (surfactant) employing high-pressure homogenization. The ratio of drug with respect to lipid was optimized, considering factors such as desired particle size and highest percent encapsulation efficiency. Lyophilized SLNs were then incorporated in the hydrogel prepared from 0.2–1.0% w/v carbopol 934P and further evaluated for rheological parameters. The z-average, zeta potential and polydispersity index were found to be 241.3 nm, −15.2 mV and 0.415, respectively. The SLNs show a higher entrapment efficiency of about 98.36%, with 2.12 to 6.3602% drug loading. SEM images, XRD and the results of the DSC, FTIR show successful preparation of SLNs after freeze drying. The TH-loaded SLNs hydrogel showed sustained drug release (95.47 ± 1.45%) over a period of 24 h. The results reported in this study show a significant effect on the zone of inhibition than the marketed formulation and pure drug in Candida albicans cultures, with better physical stability at cooler temperatures. It helped to enhance skin deposition inthe ex vivostudy and improved, in vitro and in vivo, the antifungal activity.
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- 2022
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3. Synthesis, Characterization, Antidepressant Activity and Docking Studies of Some Novel Indole Bearing Azetidinone Derivatives
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Sunil S. Menghani, Deweshri Kerzare, and Pramod B. Khedekar
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Indole test ,010404 medicinal & biomolecular chemistry ,010405 organic chemistry ,Docking (molecular) ,Stereochemistry ,Chemistry ,General Pharmacology, Toxicology and Pharmaceutics ,01 natural sciences ,0104 chemical sciences - Published
- 2018
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4. Development of novel indole‐linked pyrazoles as anticonvulsant agents: A molecular hybridization approach
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Pramod B. Khedekar, Nilesh R. Rarokar, Sunil S. Menghani, and Deweshri Kerzare
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Male ,Quantitative structure–activity relationship ,Indoles ,Stereochemistry ,Quantitative Structure-Activity Relationship ,Pharmaceutical Science ,Pyrazole ,01 natural sciences ,Mice ,Structure-Activity Relationship ,chemistry.chemical_compound ,Drug Development ,Seizures ,Drug Discovery ,medicine ,Animals ,Indole test ,Electroshock ,Diazepam ,biology ,010405 organic chemistry ,GABAA receptor ,Active site ,0104 chemical sciences ,Molecular Docking Simulation ,010404 medicinal & biomolecular chemistry ,Anticonvulsant Agent ,chemistry ,Docking (molecular) ,biology.protein ,Pyrazoles ,Anticonvulsants ,Female ,medicine.drug - Abstract
A series of 3-{2-[1-acetyl-5-(substitutedphenyl)-4,5-dihydropyrazol-3-yl]hydrazinylidene}-1,3-dihydro-2H-indol-2-ones 24-43 was synthesized using an appropriate synthetic route and evaluated experimentally by the maximal electroshock test. These compounds were evaluated for antidepressant and antianxiety activities. The most active compound, 3-{2-[1-acetyl-5-(4-chlorophenyl)-4,5-dihydropyrazol-3-yl]hydrazinylidene}-1,3-dihydro-2H-indol-2-one 25, exhibited an ED50 of 13.19 mmol/kg, a TD50 of 43.49 mmol/kg, and a high protective index of 3.29, compared with the standard drug diazepam. To get insights into the intermolecular interactions, molecular docking studies were performed at the active site of the GABAA receptor and the MAO-A enzyme. Molecular docking studies are also in agreement with the pharmacological evaluation with potent compounds, exhibiting docking scores of -1.5180 and 0.7458 for the GABAA receptor and MAO-A, respectively. The 3D-QSAR analysis was carried out by Vlife MDS engine 4.3.1, and a statistically reliable model with good predictive power (r2 = 0.7523, q2 = 0.3773) was achieved. The 3D-QSAR plots gave insights into the structure-activity relationship of these compounds, which may aid in the design of potent benzopyrrole derivatives as anticonvulsant agents. So, our research can make a great impact on those medicinal chemists who work on the development of anticonvulsant agents.
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- 2020
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5. Molecular Docking, Synthesis and CNS Activity of Some Novel 1, 4-Benzodiazepine Derivatives
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Rupesh V. Chikhale, Bijo Mathew, Sunil S. Menghani, Amit M. Pant, and Pramod B. Khedekar
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Benzodiazepine ,010405 organic chemistry ,medicine.drug_class ,Chemistry ,Stereochemistry ,Drug Discovery ,medicine ,Pharmaceutical Science ,Molecular Medicine ,Cns activity ,010402 general chemistry ,01 natural sciences ,0104 chemical sciences - Published
- 2017
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6. Progress in Synthesis of Monoglycerides for Use in Food and Pharmaceuticals
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Sunil S. Menghani, Deweshri Kerzare, Pramod B. Khedekar, and Nilesh R. Rarokar
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0106 biological sciences ,Reaction conditions ,Primary (chemistry) ,010405 organic chemistry ,Chemistry ,Vacuum distillation ,media_common.quotation_subject ,Glyceride ,01 natural sciences ,Cosmetics ,0104 chemical sciences ,chemistry.chemical_compound ,Chemical engineering ,010608 biotechnology ,Yield (chemistry) ,Glycerolysis ,Glycerol ,Organic chemistry ,media_common - Abstract
Glycerides are lipid esters of the glycerol molecule and fatty acids. Their primary function is the storage of energy. Due to its structure and properties, glycerol participates in the formulation or synthesis of many compounds such as food products, cosmetics, pharmaceuticals, liquid detergents. Monoglycerides (MGs) can be formed by both industrial chemical glycerolysis and biological or enzymatic processes. Chemical glycerolysis bring issues of low MGs yield, high operating temperature, formation of undesirable by-products and high energy consumption. On the other hand enzymatic processes have advantages of mild reaction conditions and high purity of MGs. But, several purification steps are required to obtain food or pharmaceutical grade MG, such as neutralization of the reaction media and discoloration followed by expensive molecular distillation. The purpose of this article is to review the main challenges in the synthesis of MGs from triglycerides (TGs) contained in the various fixed oils and application thereof in the food and pharmaceuticals.
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- 2017
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7. Chandipura Virus: An emerging tropical pathogen
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Sunil S. Menghani, Pramod B. Khedekar, Pankaj G. Wadibhasme, Ami P. Raval, and Rupesh V. Chikhale
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Veterinary (miscellaneous) ,India ,Disease ,Biology ,Real-Time Polymerase Chain Reaction ,Communicable Diseases, Emerging ,Genome ,Virus ,Disease Outbreaks ,Chandipura virus ,Ticks ,Rhabdoviridae Infections ,Virology ,Animals ,Humans ,Pathogen ,Reverse Transcriptase Polymerase Chain Reaction ,Outbreak ,Viral Vaccines ,Vesiculovirus ,Rhabdoviridae ,biology.organism_classification ,Infectious Diseases ,Molecular Diagnostic Techniques ,Insect Science ,Vero cell ,Parasitology - Abstract
Chandipura Virus (CHPV), a member of Rhabdoviridae, is responsible for an explosive outbreak in rural areas of India. It affects mostly children and is characterized by influenza-like illness and neurologic dysfunctions. It is transmitted by vectors such as mosquitoes, ticks and sand flies. An effective real-time one step reverse-transcriptase PCR assay method is adopted for diagnosis of this virus. CHPV has a negative sense RNA genome encoding five different proteins (N, P, M, G, and L). P protein plays a vital role in the virus's life cycle, while M protein is lethal in nature. There is no specific treatment available to date, symptomatic treatment involves use of mannitol to reduce brain edema. A Vero cell based vaccine candidate against CHPV was evaluated efficiently as a preventive agent against it. Prevention is the best method to suppress CHPV infection. Containment of disease transmitting vectors, maintaining good nutrition, health, hygiene and awareness in rural areas will help in curbing the menace of CHPV. Thus, to control virus transmission some immense preventive measures need to be attempted until a good anti-CHPV agent is developed.
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- 2012
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8. Development of selective DprE1 inhibitors: Design, synthesis, crystal structure and antitubercular activity of benzothiazolylpyrimidine-5-carboxamides
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Sunil S. Menghani, Rupesh V. Chikhale, Ramavath Babu, Ratnadeep Bansode, Melath V. Rajasekharan, G. Bhargavi, Pramod B. Khedekar, Nazira Karodia, and Anant Paradkar
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Steric effects ,Models, Molecular ,Quantitative structure–activity relationship ,Stereochemistry ,Antitubercular Agents ,Microbial Sensitivity Tests ,Crystallography, X-Ray ,chemistry.chemical_compound ,Structure-Activity Relationship ,Bacterial Proteins ,Drug Discovery ,Benzothiazoles ,Pharmacology ,biology ,Dose-Response Relationship, Drug ,Molecular Structure ,Hydrogen bond ,Organic Chemistry ,Active site ,General Medicine ,Mycobacterium tuberculosis ,Combinatorial chemistry ,Alcohol Oxidoreductases ,Pyrimidines ,Benzothiazole ,chemistry ,Docking (molecular) ,Drug Design ,biology.protein ,Drug receptor ,Pharmacophore - Abstract
Decaprenylphosphoryl-b-D-ribose 20-epimerase (DprE1) is a potential drug target for development of antitubercular agents. Structure based drug discovery approach yielded twenty novel derivatives of benzothiazolylpyrimidine-5-carboxamides (7a-t) which were synthesised by three component one pot reaction involving benzothiazolyl oxobutanamide, thiourea and substituted aromatic benzaldehydes. These derivatives were evaluated for antitubercular activity to determine MIC and compound 7a, 7e, 7f and 7o were found to be potentially active against Mycobacterium tuberculosis (H37Rv). Log P of these compounds was found to be between 2.0 and 3.0 making them suitable for oral dosing. DprE1 selectivity and pharmacokinetic studies were carried out for these compounds of which 7a and 7o were found to be highly selective and bioavailability was found to be above 52% by oral dose. Crystal structure of 7a was studied and molecular packing was determined, it exhibited a triclinic crystal lattice arrangement having hydrogen bonded dimeric arrangement. Drug receptor interactions were studied which exhibited docking in the active site of receptor with hydrogen bonding, hydrophobic interactions, vdW interactions with amino acid residues such as Cys387, Asn385, Lys418, Tyr314, Gln334 and Lys367 respectively. 3D QSAR analysis was carried out by kNN-MFA method to determine and develop theoretical model, best suitable model was found to be based on Simulated Annealing k-Neariest Neighbour Molecular Field Analysis (SA kNN-MFA). The model provided with hydrophobic descriptors in positive side indicating the need of bulky groups, steric and electronegative descriptors in negative coordinates hints with contribution by the electronegative substitutions as favourable and desirable moieties for enhancing the activity. The q(2), q(2)_se and Pred_r(2)se were found to be 0.5000, 0.6404 and 1.0094 respectively. A pharmacophore model was generated which suggested for necessity of aromatic, aliphatic carbon centre and hydrogen bond donor for development of newer DprE1 selective inhibitors.
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- 2015
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