Abstract：
:The terahertz region of the electromagnetic spectrum spans the frequency range between the infrared and the microwave. Traditionally the exploitation of this spectral region has been difficult owing to the lack of suitable source and detector. Over the last ten years or so, terahertz technology has advanced considerably with both terahertz pulsed spectroscopy (TPS) and terahertz pulsed imaging (TPI) instruments now commercially available. This review outlines some of the recent pharmaceutical applications of terahertz pulsed spectroscopy and imaging. The following application areas are highlighted: (1) discrimination and quantification of polymorphs/hydrates, (2) analysis of solid form transformation dynamics, (3) quantitative characterisation of tablet coatings: off-line and on-line, (4) tablet coating and dissolution, (5) spectroscopic imaging and chemical mapping. This review does not attempt to offer an exhaustive assessment of all anticipated pharmaceutical applications; rather it is an attempt to raise the awareness of the emerging opportunities and usefulness offered by this exciting technology.
journal_name
Int J Pharmjournal_title
International journal of pharmaceuticsauthors
Shen YCdoi
10.1016/j.ijpharm.2011.01.012subject
Has Abstractpub_date
2011-09-30 00:00:00pages
48-60issue
1-2eissn
0378-5173issn
1873-3476pii
S0378-5173(11)00026-3journal_volume
417pub_type
杂志文章,评审abstract：:It is well acknowledged that oral bioavailability of a drug candidate is often influenced by factors such as the permeability, physico-chemical properties, and metabolism of the drug. Among the physico-chemical properties, solubility and dissolution rate are considered the most critical factors affecting the oral bioa...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2013.06.064
更新日期：2013-09-15 00:00:00
abstract：:Hydrotalcite is a biocompatible lamellar anionic clay formed by double hydroxide layers with a metal cation coordinating four OH groups. The different layers are held together by anionic hosts that can be replaced by a simple ion-exchange process. The synthetic Mg-Al-hydrotalcite was used to intercalate ferulic acid, ...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2005.01.040
更新日期：2005-05-13 00:00:00
abstract：:The effect of 35 newly synthesized O-ethylmenthol (MET) derivatives on percutaneous absorption of ketoprofen was investigated in rats. In order to understand the relationship between the structure of compounds and promoting activity (structure-activity relationship), an artificial neural network (ANN) was employed. In...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/s0378-5173(00)00608-6
更新日期：2001-01-16 00:00:00
abstract：:The novel anticancer agent BIBX1382BS is a representative of the human epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors. BIBX1382BS, for parenteral use, is formulated pharmaceutically as a lyophilized product containing 100 mg BIBX1382BS per dosage unit. This in vitro study was performed to establish...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/s0378-5173(99)00389-0
更新日期：2000-01-25 00:00:00
abstract：:Microcrystalline cellulose (MCC) is one of the most important excipients due to its outstanding binding and tableting properties. Owing to the absence of high resolution characterization techniques at the single particle scale, 3D (three dimension) microstructure of MCC and its effects on formulation performance remai...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2017.05.019
更新日期：2017-10-15 00:00:00
abstract：:Thermoreversible nasal gels of Vitamin B(12) using pluronic PF 127 were aimed to improve absorption and patient compliance. In the present research work, effects of Vitamin B(12) and gel additives, viz. PF concentration, osmolarity, polyethylene glycol (PEG 15000) on thermodynamic properties of phase transitions at ge...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2003.10.005
更新日期：2004-02-11 00:00:00
abstract：:The aim of our research was to apply experimental design methodology in the development and optimization of drug release methods. Diclofenac sodium (2-[(2,6-dichlorophenyl)amino]benzeneacetic acid monosodium salt) was selected as a model drug and Naklofen retard prolonged release tablets, containing 100 mg of diclofen...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2004.07.041
更新日期：2005-03-03 00:00:00
abstract：:The transmucosal routes such as pulmonary, nasal and oral routes are most important and common routes for drug delivering to the body. However, peptide and protein drugs are degraded before they reach the blood stream and cannot cross the mucosal barriers. The mucoadhesive polymer-coated nanoparticles colloidal carrie...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2006.02.031
更新日期：2006-06-19 00:00:00
abstract：:Since the application of nanotechnology to drug delivery, both polymer-based and lipid-based nanocarriers have demonstrated clinical benefits, improving both drug efficacy and safety. However, to further address the challenges of the drug delivery field, hybrid lipid-polymer nanocomposites have been designed to merge ...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2020.119467
更新日期：2020-07-30 00:00:00
abstract：:Capping and lamination are classical industrial issues that can be challenging during the scale up of solid dosage forms. Previous publications showed that changing the unloading conditions (triaxial decompression, loaded ejection) made it possible to mitigate capping. In the present study, a systematic study of the e...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2019.118468
更新日期：2019-08-15 00:00:00
abstract：:The gel forming characteristics of alginate in the presence of calcium ions and further crosslinking with poly-L-lysine led to the formation of sponge-like nano- and microparticles. The particle size was varied by adjusting the final concentrations of and proportions between the components. The region for particle for...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/s0378-5173(02)00030-3
更新日期：2002-06-04 00:00:00
abstract：:To evaluate relationships between the extent of protein-excipient interactions, structural relaxation of an amorphous matrix, and the physico-chemical stability of a protein, human growth hormone (hGH) was lyophilized with sucrose and trehalose in a 1:2 weight ratio. The protein-excipient interactions were analyzed im...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2008.02.022
更新日期：2008-06-24 00:00:00
abstract：:Viscous liquid degradable polymers have advantages as drug depots for sustained protein delivery. We have created a new aliphatic polycarbonate for this purpose, poly(trimethylene carbonate-co-5-hydroxy trimethylene carbonate), which upon degradation retains a near neutral micro-environmental pH. As such, this copolym...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2020.119965
更新日期：2020-11-30 00:00:00
abstract：:This study aims to investigate the effect of carrier characteristics and dosator capsule filling operation on the in vitro deposition of mixtures containing salbutamol sulphate (SS) and lactose and mannitol as model carrier materials. The carrier surfaces of lactose and mannitol were modified via wet decantation. The ...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2015.06.044
更新日期：2015-08-01 00:00:00
abstract：:The aim of this study was to investigate how a selection of formulation variables affects the in vitro transfection efficiency and physicochemical properties (particle size, zetapotential and chitosan-plasmid association) of chitosan-based polyplexes. Experimental designs in combination with multivariate data analysis...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/s0378-5173(03)00301-6
更新日期：2003-08-11 00:00:00
abstract：:The present work introduces a simple and robust in vitro method for enzymatic characterisation of surface properties of lipid dispersions in aqueous media. The initial lipolysis rate in biorelevant media, using pancreatic lipase and a self-microemulsifying formulation (SMEDDS) containing digestible lipids as substrate...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2005.02.038
更新日期：2005-07-25 00:00:00
abstract：:The poly(cystaminebis(acrylamide)-diaminohexane) (poly(CBA-DAH)) was designed previously as a bio-reducible efficient gene delivery carrier. However, the high weight ratio required to form the polyplexes between poly(CBA-DAH) with pDNA is still a problem that needs to be addressed. To solve this problem and increase t...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2018.04.051
更新日期：2018-07-10 00:00:00
abstract：:Medicine formulations at the nanoscale, referred to as nanomedicines, have managed to overcome key challenges encountered during the development of new medical treatments and entered clinical practice, but considerable improvement in terms of local efficacy and reduced toxicity still need to be achieved. Currently, th...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2020.119537
更新日期：2020-08-30 00:00:00
abstract：:The knowledge of the solubility of PEG 1500 as well as the swelling and melting point variation in supercritical CO(2) in a relatively high-pressure range is a necessary prerequisite to set-up pharmaceutical processes dealing with the polymer in the molten state. Experiments carried out in a pressurized view cell indi...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2007.12.048
更新日期：2008-05-22 00:00:00
abstract：:An increasing elderly population is leading to a change in the global demographics. This presents a new challenge to society and the pharmaceutical industry. This demographic shift is providing an opportunity for the pharmaceutical industry to meet the specific needs of the changing patient population. One issue that ...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章,评审
doi：10.1016/j.ijpharm.2016.03.008
更新日期：2016-10-30 00:00:00
abstract：:In order to improve the dissolution and absorption properties of loviride, a poorly soluble antiviral agent, sucrose co-freeze-dried nanopowders were prepared, characterized and evaluated. Tween 80/poloxamer 188-stabilized nanosuspensions were produced on a laboratory scale using media milling. The milling process was...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2007.02.005
更新日期：2007-06-29 00:00:00
abstract：:Marinosomes are liposomes based on a natural marine lipid extract containing a high polyunsaturated fatty acid (PUFA) ratio. They were prepared and characterized in conditions that mimic that of topical application in terms of pH, temperature and calcium. Marinosomes were stable in storage conditions for 1 month. At l...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/s0378-5173(02)00217-x
更新日期：2002-08-21 00:00:00
abstract：:The present study focuses on the development of dry powders for inhalation as adjuvant chemotherapy in lung cancer treatment. Cisplatin was chosen as a potential candidate for a local treatment as it remains the main platinum component used in conventional chemotherapies, despite its high and cumulative systemic toxic...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2016.10.019
更新日期：2016-12-30 00:00:00
abstract：:The degradation of N,N',N"-triethylenephosphoramide (TEPA) in aqueous solutions has been investigated over a pH range of 3-14. Samples were analyzed using a gas chromatographic system with nitrogen/phosphorus selective detection. The degradation kinetics were studied as function of pH, sodium chloride concentration an...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/s0378-5173(99)00444-5
更新日期：2000-02-25 00:00:00
abstract：:Selective relaxation rate measurements effectively proved the affinity of dexamethasone 21-phosphate disodium salt for quaternary ammonium-chitosan conjugates, their thiolated derivatives and the corresponding nanostructured aggregates. Affinity was also probed by dynamic dialysis. The release profile of dexamethasone...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2013.12.018
更新日期：2014-01-30 00:00:00
abstract：:Acoustic emission (AE) which has been successfully applied for monitoring a rather wide variety of solids elaboration processes was almost never evaluated in the field of industrial pharmaceutical crystallization. Few papers reported that solution crystallization processes give rise to acoustic emission signals that c...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2012.09.048
更新日期：2012-12-15 00:00:00
abstract：:The effect of carrier surface properties on drug particle detachment from carrier crystals during inhalation with a special test inhaler with basic air classifier has been studied for mixtures containing 0.4% budesonide. Carrier crystals were retained in the classifier during inhalation and subsequently examined for t...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/s0378-5173(03)00264-3
更新日期：2003-07-24 00:00:00
abstract：:We report the development of folate-functionalized nanoparticles able to target folate receptors, and to deliver a poorly water soluble cytotoxic agent, a tripentone, in ovarian carcinoma. The stability under incubation of lipid nanoparticles formulated by a low-energy phase inversion temperature method was investigat...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2013.09.025
更新日期：2013-12-15 00:00:00
abstract：:A certain number of filters have notable anti-inflammatory properties with percentage inhibition of PMA-induced edema in mice at over 70%. The question arose as to whether this effect was likely to continue after UV irradiation. It can be noted that 7 filters retain an equivalent anti-inflammatory effect before and af...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2013.04.067
更新日期：2013-08-16 00:00:00
abstract：:Hot-melt extrusion has attracted considerable interest within the pharmaceutical industry. However, there remains some uncertainty as to how to characterise the physical structure of the extruded systems, particularly in terms of identifying the nature of the drug dispersion within the polymer. The aim of the study wa...
journal_title：International journal of pharmaceutics
pub_type： 杂志文章
doi：10.1016/j.ijpharm.2007.11.048
更新日期：2008-04-16 00:00:00
