Hydrophobic Polymers
In vitro release kinetic study of ambroxol hydrochloride sustained release matrix tablets using hydrophilic and hydrophobic polymers
... and hydrophobic polymers and to select the formulation based on pharmacokinetic of Ambroxol ...hydrophilic polymers Methocel K15M CR and Methocel K100M CR and hydrophobic Eudragit RL100 were ...
7
Formulation of Glipizide Time-Controlled Release Tablets By Press Coating Using Hydrophilic and Hydrophobic Polymers – Its In Vitro Dissolution, Time Lag and Kinetic Models
... This is to certify that the dissertation entitled “FORMULATION OF GLIPIZIDE TIME-CONTROLLED RELEASE TABLETS BY PRESS COATING USING HYDROPHILIC AND HYDROPHOBIC POLYMERS – ITS IN VITRO DISSOLUTION, TIME LAG ...
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Formulation of Sustained Release Ambroxol Hydrochloride Matrix Tablets: Influence of Hydrophilic/Hydrophobic Polymers on The Release Rate and in Vitro Evaluation
... Hydrophilic polymers form a gel like structure around the tablet core which controls the drug ...hydrophilic polymers, HPMC K4 M or Eudragit RSPO selected in the present study provide pH-independent drug ...
6
In vitro Evaluation of the Effect of Combination of Hydrophilic and Hydrophobic Polymers on Controlled Release Zidovudine Matrix Tablets
... use of hydrophilic polymer alone for controlling the drug release of highly water soluble drugs is restricted due to rapid diffusion of the dissolved drug through the hydrophilic gel layer. Use of hydrophobic ...
5
FORMULATION AND IN VITRO CHARACTERIZATION OF MULTI UNIT PARTICULATES AS RESERVOIR SYSTEMS USING HYDROPHOBIC POLYMERS
... using hydrophobic polymers and achieve the pH independent drug ...different hydrophobic polymers like PVA (KOLLICOAT®), Ethyl Cellulose (ETHOCEL STANDARD PREMIUM) (10cps, 20cps, and 100cps) in ...
21
DESIGN AND EVALUATION OF BILAYER TABLETS OF GLIMEPIRIDE AND METFORMIN HYDROCHLORIDE WITH COMBINATION OF HYDROPHILIC AND HYDROPHOBIC POLYMERS BY HOT MELT EXTRUSION
... and hydrophobic polymers. The hydrophilic polymers controlled the release of metformin HCl for up to 10 hrs intended for once a day, glimepiride as immediate release and metformin HCl as SR indicated ...
5
CONTROLLED RELEASE FORMULATION DEVELOPMENT AND EVALUATION OF FELODIPINE MATRIX TABLETS BY USING HYDROPHOBIC POLYMERS
... Felodipine is a long-acting 1, 4-dihydropyridine calcium channel blocker, used to control hypertension by selective action on peripheral resistance. The conventional felodipine tablet gives a rather high peak and ...
6
FORMULATION AND EVALUATION OF NICOTINE TRANSDERMAL PATCHES BY THE USING OF HYDROPHILIC AND HYDROPHOBIC POLYMERS
... and hydrophobic polymers in order to achieve better drug release as well as sustained ...of hydrophobic polymer is increased in a manner that total polymer weight remains constant ...
15
Development and Evaluation of Diclofenac sodium Controlled Release Dosage Forms Using Natural, Hydrophilic and Hydrophobic Polymers and its Comparative Studies
... Diclofenac sodium matrix tablets were prepared by mixing the ingredients previously passed through sieve No. 100 sufficient for a batch of 200 tablets weighed according to the formulas shown in Table 1 to 3. The drug was ...
12
Formulation and evaluation of tramadol hydrochloride extended release tablet by using hydrophilic and hydrophobic polymers
... When the dissolution profiles over the period of 12 hours for the formulations (F13, F14, F15, F16, F17 and F18) were studied (Table.9), the results suggested that the dissolution rate was found to be directly ...
7
Comparative study on the effect of hydrophilic and hydrophobic polymers on the dissolution rate of a poorly water soluble drug
... Matrix tablets of controlled release systems were designed by incorporating HPMC (K100M) and Kollidon ® SR polymers in order to sustain the release of ketoprofen. All the formulations were prepared by direct ...
10
Formulation and Evaluation of Prulifloxacin Sustained Release Matrix Tablets
... release (SR) products provide an advantage over conventional dosage forms by optimizing bio-pharmaceutics, pharmacokinetics and pharmacodynamics properties of drugs in such a way that it reduce dosing frequency to an ...
10
Glutathione triggered disassembly of isothermally responsive polymer nanoparticles obtained by nanoprecipitation of hydrophilic polymers
... nanoparticles requiring only a hydrophobic polymer. Benefits of this methodology include fast processing times, control over particle size and the ready inclusion of cargo molecules. 31-32 However, the need for ...
7
Formulation and Evaluation of a Sustained-Release Tablets of Metformin Hydrochloride Using Hydrophilic Synthetic and Hydrophobic Natural Polymers
... and hydrophobic polymers, FX, FXI, FXII, ...with hydrophobic GC and GD (FX-FXV) no burst release was observed, which may be due to the tendency to mask these quaternary ammonium groups to some ...
8
Bio-inspired strategies for designing antifouling biomaterials
... a hydrophobic liquid- infused porous poly(butyl methacrylate-co-ethylene dimetha crylate) surface (slippery BMA-EDMA) for reducing the adhesion of ...the hydrophobic polymers are not studied as ...
11
FORMULATION AND EVALUATION OF CONTROLLED RELEASE MATRIX TABLET OF A MACROLIDE ANTIBIOTIC DRUG: INFLUENCE OF COMBINATION OF HYDROPHOBIC AND HYDROPHILIC MATRIX FORMER
... solubility hydrophobic polymers are suitable, along with a hydrophilic matrix for developing sustained release dosage forms ...and hydrophobic polymers are used as matrix ...and ...
7
The Uses of Matrices in Drug Delivery: The Effect of Polymers On the Drug Release and the Kinetic Models
... hydrophilic/hydrophobic polymers of different physical and chemical ...these polymers had shown a tremendous effect on the release rate of the drug in the vitro experiments [47 ...the ...
8
Robustness of Hydrophobic and Oleophobic Fabrics.
... From the traditional view, the robust pressure for a fabric with multiple layers would be as- sumed to be the sum of all the robust pressures for each single layer, which could not be true since the liquid wets the ...
250
Vol 2, No 10 (2013)
... of polymers in controlling corrosion of metals in various corrosive environment such as acidic medium 2,3,10-12,16-18,21,23,25,27,29,33-36,38,43-44,46-48,50-52,59- 66,68,70-73,77,78,80,82,83,85-86,90-93,95,97,100, ...
9
Functional Coatings: Superhydrophopbic And Conductive Coatings
... mass polymers and they are produced by emulsion ...both hydrophobic group (their tails) and hydrophilic group (their ...The hydrophobic part can be a hydrocarbon chain, an alkyl ether chain, a ...
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