Suman Saha, Suman
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Curcumin: a review Chauhan, Monika; Saha, Suman; Roy, Amit
Journal of Applied Pharmaceutical Research Vol 2 No 1 (2014)
Publisher : Creative Pharma Assent

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Abstract

The main objective of this review article is to overcome or to improve the problems related with curcumin with the help of new technologies or modifications to make a promising therapeutic agent which gives a good therapeutic response. Curcumin, a known natural polyphenolic compound obtained from dietary spice turmeric, possesses pharmacologic effects including anti-inflammatory, antioxidant, and many other activities. Clinical trials   on curcumin have shown its safety and efficacy even at high doses in humans. But inspite of that it shows poor bioavailability (oral bioavailability) which is one of the major problems regarding curcumin. There are other reasons contributing to the low plasma and tissue levels of curcumin appear to be due to poor absorption, rapid metabolism, and rapid systemic elimination. To improve the bioavailability of curcumin, numbers of approaches have been undertaken. These approaches involve, first, the use of adjuvant like piperine that interferes with glucuronidation; second, the use of liposomal curcumin; third, curcumin nanoparticles; fourth, the use of curcumin phospholipids complex; and fifth, the use of structural analogues of curcumin. 
Effect of solubilization technique on dissolution Das, Sujoy; Bahadur, Sanjib; Choudhury, Ananta; Saha, Suman
Journal of Applied Pharmaceutical Research Vol 2 No 1 (2014)
Publisher : Creative Pharma Assent

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Abstract

More than 40 percent of newly discovered drugs have little or  no water solubility thus the present research aimed at the study of improvement of solublisation on dissolution by addition of different solublising agents and modification of methods. Irbesartan is the drug of choice. Effect of Solubility on dissolution was studied with some solubilizing agents like ?-Cyclodextrins, PEG-6000, Polysorbate-80, Cremophore and Resins (Doshion). It was seen that Irbesartan give 90 percent release in 1hr with polysorbate-80 where cremophore containing tablets showed 97 % release in 1 hr in case of solid dispersion technique and in case of complexation technique respectively. Thus the present study concluded that, dissolution rate of poorly soluble drug can be increases by using solubilizing agent as well as using different techniques.  
Liposome: method of preparation, advantages, evaluation and its application Pradhan, Bhupendra; Kumar, Narendra; Saha, Suman; Roy, Amit
Journal of Applied Pharmaceutical Research Vol 3 No 3 (2015)
Publisher : Creative Pharma Assent

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Abstract

Notable research in drug delivery started in 1950’s with the advent of polyclonal antitumor antibodies developed for targeting. Bangham et. Al. discovered liposomes in early 1960’s. In this review article we are discussing about the liposome, methods of the liposome preparation advantages and their different application of the liposome. Liposomes are artificially prepared vesicles made of lipid bilayer. Liposomes can be filled with drugs, and used to deliver drugs for cancer and other diseases. Liposome is used for the targeted drug delivery system and increase the bioavailability and half life of the any drugs. Liposomes are surfactants, sphingolipids, glycol-lipids, long chain fatty acids and even membrane proteins and drug molecules or it is also called vesicular system. Liposomes have been extensively investigated for drug delivery, drug targeting, controlled release and increased solubility
Formulation and evaluation of enteric coated microcapsules of diclofenac sodium for modified release by combination of wet granulation and thermal change method Roy, Amit; Saha, Suman; Choudhury, Ananta; Bahadur, Sanjib; Baghel, Pragya; Chanda, Ranabir
Journal of Applied Pharmaceutical Research Vol 2 No 4 (2014)
Publisher : Creative Pharma Assent

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Abstract

The purpose of the present work was to develop optimized novel enteric microcapsules containing diclofenac sodium, a non steroidal anti inflammatory drug (NSAID) used for rheumatoid arthritis, for improved delivery and to diminish its adverse effect after oral administration. The microcapsule was prepared by using different polymers and the enteric coating was provided by using an innovative technique combining wet granulation method and thermal change method. This work also investigated different levels of enteric polymers like cellulose acetate phthalate (CAP) (X1) and ethyl cellulose (EC) (X2) and the stirring speed during coating ethyl cellulose (X3), by using 23 full factorial design. The dependent variables assessed were % yield (Y1), Q8 (% drug released after 8 hour) (Y2), n (Diffusion coefficient) (Y3), DEE (Drug entrapment efficiency) (Y4). The main effect and interaction terms were quantitatively evaluated using a mathematical model. The prepared microcapsules were evaluated for percentage drug dissolved, scanning electron microscopy, drug excipient interaction, angle of repose, particle size. Mean dissolution time (MDT) was used to compare dissolution patterns obtained. The results showed that X1 and X2 significantly affected the release properties. 
Design and optimization of immediate release tablet of salbutamol sulphate by direct compression technique Saha, Suman
Journal of Applied Pharmaceutical Research Vol 6 No 3 (2018)
Publisher : Creative Pharma Assent

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (407.472 KB) | DOI: 10.18231/2348-0335.2018.0010

Abstract

This study is about a tablet, which disintegrates or dissolves quickly when placed in the oral cavity. Studies on formulation development of Salbutamol Sulphate Immediate Release Tablet, suitable for manufacturing by direct compression have been carried out. Trial formulations using various excipients were developed and evaluated for various qualities like hardness, friability, disintegration time, content uniformity and dissolution. Study concluded that Immediate Release Tablet of Salbutamol Sulphate can be prepared successfully with added patient benefit and increased consumer satisfaction.
Immediate release drug delivery systems: a current update Saha, Suman
Journal of Applied Pharmaceutical Research Vol 6 No 4 (2018)
Publisher : Creative Pharma Assent

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (315.976 KB) | DOI: 10.18231/2348-0335.2018.0011

Abstract

Instead of tremendous advancements in drug delivery, the oral route remains the most preferred route for the administration of therapeutic agents because of the low cost of therapy and ease of administration that leads to high levels of patient concordance. Incorporating an existing medicine into Newer Drug Delivery System (NDDS) are gaining popularities. One such approach is to formulate Immediate Release Tablet, which dissolve or disintegrate rapidly in saliva without the need of water within few seconds due to action of superdisintegrant in the formulation or other novel manufacturing technique. The demand for orally disintegrating tablets has enormously increased during the last decade over the other oral dosage forms (such as tablets, capsules, dry syrups, chewing gums, chewable tablets etc.) particularly for geriatrics and pediatrics, travelers, dysphasics, psychotics and non-cooperative patients. Considering the advantages of Immediate Release Tablet and its growing demand, an attempt has been made through this article to give an overview of preparation and new methodologies for the Immediate Release Tablet followed currently and in past including some patient information.
Effect of solubilization technique on dissolution Das, Sujoy; Bahadur, Sanjib; Choudhury, Ananta; Saha, Suman
Journal of Applied Pharmaceutical Research Vol. 2 No. 1 (2014)
Publisher : Creative Pharma Assent

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (518.489 KB)

Abstract

More than 40 percent of newly discovered drugs have little or no water solubility thus the present research aimed at the study of improvement of solublisation on dissolution by addition of different solublising agents and modification of methods. Irbesartan is the drug of choice. Effect of Solubility on dissolution was studied with some solubilizing agents like β-Cyclodextrins, PEG-6000, Polysorbate-80, Cremophore and Resins (Doshion). It was seen that Irbesartan give 90 percent release in 1hr with polysorbate-80 where cremophore containing tablets showed 97 % release in 1 hr in case of solid dispersion technique and in case of complexation technique respectively. Thus the present study concluded that, dissolution rate of poorly soluble drug can be increases by using solubilizing agent as well as using different techniques
Curcumin: a review Chauhan, Monika; Saha, Suman; Roy, Amit
Journal of Applied Pharmaceutical Research Vol. 2 No. 1 (2014)
Publisher : Creative Pharma Assent

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (303.24 KB)

Abstract

The main objective of this review article is to overcome or to improve the problems related with curcumin with the help of new technologies or modifications to make a promising therapeutic agent which gives a good therapeutic response. Curcumin, a known natural polyphenolic compound obtained from dietary spice turmeric, possesses pharmacologic effects including anti-inflammatory, antioxidant, and many other activities. Clinical trials on curcumin have shown its safety and efficacy even at high doses in humans. But inspite of that it shows poor bioavailability (oral bioavailability) which is one of the major problems regarding curcumin. There are other reasons contributing to the low plasma and tissue levels of curcumin appear to be due to poor absorption, rapid metabolism, and rapid systemic elimination. To improve the bioavailability of curcumin, numbers of approaches have been undertaken. These approaches involve, first, the use of adjuvant like piperine that interferes with glucuronidation; second, the use of liposomal curcumin; third, curcumin nanoparticles; fourth, the use of curcumin phospholipids complex; and fifth, the use of structural analogues of curcumin.
Formulation and evaluation of enteric coated microcapsules of diclofenac sodium for modified release by combination of wet granulation and thermal change method Bahadur, Sanjib; Baghel, Pragya; Chanda, Ranabir; Roy, Amit; Saha, Suman; Choudhury, Ananta
Journal of Applied Pharmaceutical Research Vol. 2 No. 4 (2014)
Publisher : Creative Pharma Assent

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (501.495 KB)

Abstract

The purpose of the present work was to develop optimized novel enteric microcapsules containing diclofenac sodium, a non steroidal anti inflammatory drug (NSAID) used for rheumatoid arthritis, for improved delivery and to diminish its adverse effect after oral administration. The microcapsule was prepared by using different polymers and the enteric coating was provided by using an innovative technique combining wet granulation method and thermal change method. This work also investigated different levels of enteric polymers like cellulose acetate phthalate (CAP) (X1) and ethyl cellulose (EC) (X2) and the stirring speed during coating ethyl cellulose (X3), by using 23 full factorial design. The dependent variables assessed were % yield (Y1), Q8 (% drug released after 8 hour) (Y2), n (Diffusion coefficient) (Y3), DEE (Drug entrapment efficiency) (Y4). The main effect and interaction terms were quantitatively evaluated using a mathematical model. The prepared microcapsules were evaluated for percentage drug dissolved, scanning electron microscopy, drug excipient interaction, angle of repose, particle size. Mean dissolution time (MDT) was used to compare dissolution patterns obtained. The results showed that X1 and X2 significantly affected the release properties.
Liposome: method of preparation, advantages, evaluation and its application Pradhan, Bhupendra; Kumar, Narendra; Saha, Suman; Roy, Amit
Journal of Applied Pharmaceutical Research Vol. 3 No. 3 (2015)
Publisher : Creative Pharma Assent

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (450.735 KB)

Abstract

Notable research in drug delivery started in 1950’s with the advent of polyclonal antitumor antibodies developed for targeting. Bangham et. Al. discovered liposomes in early 1960’s. In this review article we are discussing about the liposome, methods of the liposome preparation advantages and their different application of the liposome. Liposomes are artificially prepared vesicles made of lipid bilayer. Liposomes can be filled with drugs, and used to deliver drugs for cancer and other diseases. Liposome is used for the targeted drug delivery system and increase the bioavailability and half life of the any drugs. Liposomes are surfactants, sphingolipids, glycol-lipids, long chain fatty acids and even membrane proteins and drug molecules or it is also called vesicular system. Liposomes have been extensively investigated for drug delivery, drug targeting, controlled release and increased solubility.