Abstract：
:Compact strength and the particle-size distribution of milled roller compacted compacts were correlated to the slope of the best-fit line through near-infrared spectra for samples prepared under different roll speeds and feed rates. The above correlations were found to hold for compacts prepared from microcrystalline cellulose powder as well as from a typical direct compression pharmaceutical powder blend containing tolmetin sodium dihydrate, microcrystalline cellulose, and dicalcium phosphate dihydrate. Near-infrared spectra were also collected real time for the compacts prepared from the tolmetin powder blend. The real-time slope values for the spectra showed good agreement with the off-line data. The strength of compacts was determined using three-point beam bending method and the particle-size distribution of the milled compacts was determined using sieve analysis. The results suggest that the real-time values of the slope of the best-fit line through the near-infrared spectrum offers a robust, yet simple and fast quality control tool to monitor/control manufacturing and scale-up processes involving dry granulation by roller compaction.
journal_name
J Pharm Scijournal_title
Journal of pharmaceutical sciencesauthors
Gupta A,Peck GE,Miller RW,Morris KRdoi
10.1002/jps.20003subject
Has Abstractpub_date
2004-04-01 00:00:00pages
1047-53issue
4eissn
0022-3549issn
1520-6017pii
S0022-3549(16)31471-Xjournal_volume
93pub_type
杂志文章abstract：:Scale up of pan coating process is of high importance to the pharmaceutical and food industry. The number of process variables and their interdependence in a pan coating process can make it a rather complex scale-up problem. This review discusses breaking down the coating process variables into three main categories: ...
journal_title：Journal of pharmaceutical sciences
pub_type： 杂志文章,评审
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abstract：:Taxanes such as paclitaxel (Taxol) and docetaxel (Taxotere) are promising agents for use against ovarian cancer and other malignancies. Recently, SB-T-1011, a semisynthetic taxane, has been prepared from 14-hydroxy-10-deacetylbaccatin III. SB-T-1011 shows similar or greater in vitro cytostatic activity than paclitaxel...
journal_title：Journal of pharmaceutical sciences
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doi：10.1002/jps.2600841204
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abstract：:The purpose of the present experiment was to prepare and characterize the aqueous-based pseudolatex system of cellulose acetate butyrate (CAB) for controlled drug delivery. Aqueous pseudolatex systems are advantageous over organic-based coating systems because these systems are devoid of criteria pollutants such as ca...
journal_title：Journal of pharmaceutical sciences
pub_type： 杂志文章
doi：10.1002/jps.10155
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abstract：:Two types of drug release mechanisms-matrix controlled (Q - t1/2 relationship) and partition controlled (Q - t relationship)-were reported previously. The dependency of the transition between these two processes on the solution solubility of drug is now analyzed. Mathematical expressions are derived to treat the syste...
journal_title：Journal of pharmaceutical sciences
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doi：10.1002/jps.2600641011
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abstract：:The stability of aqueous solutions of luteinizing hormone-releasing hormone (LHRH) after extended storage at various temperatures was investigated using a newly developed HPLC assay and an in vitro dispersed pituitary cell culture bioassay. Good correlations were obtained between the potency obtained by HPLC and bioas...
journal_title：Journal of pharmaceutical sciences
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doi：10.1002/jps.2600730628
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abstract：:Carboxy group-terminated synthetic polymers--branched poly(ethylene glycol), poly(acryloylmorpholine), and poly(vinylpyrrolidone)--were made amphiphilic by derivatization with phosphatidyl ethanolamine via the terminal carboxy group and then incorporated into lecithin-cholesterol liposomes prepared by the detergent di...
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abstract：:Flightless I (Flii) is an actin remodeling protein important for cytoskeletal regulation and cellular processes including migration, proliferation, and adhesion. Previous studies have clearly identified Flii as a novel therapeutical target for improved wound repair and have demonstrated Flii regulation using Flii neut...
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abstract：:During the freeze-drying process, vials located at the border of the shelf usually present higher heat flow rates that result in higher product temperatures than vials in the center. This phenomenon, referred to as edge vial effect, can lead to product quality variability within the same batch of vials and between bat...
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abstract：:Naltrexone (NTX) is an opioid antagonist used for treatment of narcotic dependence and alcoholism. Transdermal naltrexone delivery is desirable to help improve patient compliance. The purpose of this study was to increase the delivery rate of NTX across human skin by using lipophilic alkyl ester prodrugs. Straight-cha...
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journal_title：Journal of pharmaceutical sciences
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abstract：:Male and female rats treated with a single 20-mg/kg ip dose of pregnenolone-16alpha-carbonitrile (PCN) produced parallel increases in hepatic cytochrome P-450 and aniline hydroxylase activity. However, the onset of increase in aniline hydroxylase activity and cytochrome P-450 content was slower in male than female ani...
journal_title：Journal of pharmaceutical sciences
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doi：10.1002/jps.2600650436
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abstract：:This study aims to investigate the drug-drug interactions (DDIs) between orally administered atorvastatin (ATV) and rifampicin (RIF) in rats. The isotope-IV method was used for the analysis of the increased systemic exposure (AUCpo) of ATV, in which a small amount of deuterium-labeled ATV (ATV-d5) was intravenously in...
journal_title：Journal of pharmaceutical sciences
pub_type： 杂志文章
doi：10.1016/j.xphs.2017.04.027
更新日期：2017-09-01 00:00:00
abstract：:We studied the effects of pH and solution additives on freezing-induced perturbations in the tertiary structure of a monoclonal antibody (mAb) by intrinsic tryptophan fluorescence spectroscopy. In general, freezing caused perturbations in the tertiary structure of the mAb, which were reversible or irreversible dependi...
journal_title：Journal of pharmaceutical sciences
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journal_title：Journal of pharmaceutical sciences
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doi：10.1016/j.xphs.2019.10.063
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doi：10.1002/jps.21271
更新日期：2008-09-01 00:00:00
abstract：:Accurate prediction of target occupancy facilitates central nervous system drug development. In this review, we discuss the predictability of serotonin transporter (SERT) occupancy in human brain estimated from in vitro Ki values for human SERT and plasma concentrations of unbound drug (Cu,plasma), as well as the impa...
journal_title：Journal of pharmaceutical sciences
pub_type： 杂志文章,评审
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abstract：:The aim of this study was to prepare and characterize thiolated chitosan (TC) nanoparticles (NPs) of tizanidine HCl (TZ) and to evaluate its transport across monolayer of RPMI 2650 cells (Human nasal septum carcinoma cell line) followed by assessment of their pharmacokinetic and pharmacodynamic attributes, after intra...
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abstract：:Nonsteroidal anti-inflammatory drugs (NSAIDs) are among the most frequently used drugs in the world, primarily for symptoms associated with osteoarthritis and other chronic musculoskeletal conditions. However, adverse effects caused by oral administration, such as local or systemic disturbance in the gastrointestinal ...
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abstract：:The viscosity and surface tension of systems containing small amounts of salicylic acid in aqueous solutions of cetrimide were determined. An abrupt increase in viscosity was observed, and the molar ratio of salicylic acid to certrimide at which this viscosity increase occurred was 1:2. The surface tension of these sy...
journal_title：Journal of pharmaceutical sciences
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journal_title：Journal of pharmaceutical sciences
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doi：10.1016/j.xphs.2019.01.028
更新日期：2019-06-01 00:00:00
abstract：:DB844 (CPD-594-12), N-methoxy-6-{5-[4-(N-methoxyamidino)phenyl]-furan-2-yl}-nicotinamidine, is an oral prodrug that has shown promising efficacy in both mouse and monkey models of second stage human African trypanosomiasis. However, gastrointestinal (GI) toxicity was observed with high doses in a vervet monkey safety ...
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更新日期：2014-01-01 00:00:00
abstract：:The pharmacologically active compound (33% reduction in rabbit intraocular pressure recovery rate assay) 1-ethyl-6-fluoro-1,2,3,4-tetrahydroquinoline (MC4), which showed ocular hypotensive action and had optimum physicochemical properties, was characterized for its ocular absorption and distribution properties to bett...
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更新日期：2011-12-01 00:00:00
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journal_title：Journal of pharmaceutical sciences
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abstract：:Acetylcarnitine, a naturally occurring compound found in high concentration in heart and skeletal muscle of vertebrates, bears structural resemblance to acetylcholine, and studies have shown that it has slight cholinergic properties. Acetylcarnitine was subjected to conformational analysis by extended Hückel theory (E...
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abstract：:This study reports, for the first time, development of tyrosine kinase inhibitor-loaded, thermosensitive liposomes (TKI/TSLs) and their efficacy for treatment of renal cell carcinoma when triggered by focused ultrasound (FUS). Uptake of these nanoparticles into renal cancer cells was visualized with confocal and fluor...
journal_title：Journal of pharmaceutical sciences
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abstract：:A GLC method for determining theophylline, hydroxyethyltheophylline, and diphenylpyraline hydrochloride is presented. The method permits the separation and quantitative determination of the therapeutically active ingredients with a single injection in an overall time of approximately 2.5 hr. ...
journal_title：Journal of pharmaceutical sciences
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abstract：:A novel drug-deliver device based on a self-setting bioactive cement formed from tetracalcium phosphate and dicalcium phosphate has been developed and tested in vitro using bovine insulin and bovine albumin as model polypeptide drugs. Equimolar mixtures of the calcium phosphate powders containing bovine insulin and bo...
journal_title：Journal of pharmaceutical sciences
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doi：10.1002/jps.2600830229
更新日期：1994-02-01 00:00:00
