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Showing 13 to 24 of 39 entries
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Smart assembly behaviors of hydroxypropylcellulose-graft-poly(4-vinyl pyridine) copolymers in aqueous solution by thermo and pH stimuli.

Langmuir : the ACS journal of surfaces and colloids

Ma L, Kang H, Liu R, Huang Y.
PMID: 21058690
Langmuir. 2010 Dec 07;26(23):18519-25. doi: 10.1021/la103854b. Epub 2010 Nov 08.

Thermo- and pH-sensitive graft copolymers, hydroxypropylcellulose-graft-poly(4-vinyl pyridine) (HPC-g-P4VP), were synthesized via atom transfer radical polymerization (ATRP) and characterized. The thermo- and pH-induced micellization and stimuli-responsive properties of HPC-g-P4VP graft copolymers in aqueous solution were investigated by transmittance, (1)H NMR,...

Nanostructure of Materials Determined by Relayed Paramagnetic Relaxation Enhancement.

Journal of the American Chemical Society

Schlagnitweit J, Tang M, Baias M, Richardson S, Schantz S, Emsley L.
PMID: 26397956
J Am Chem Soc. 2015 Oct 07;137(39):12482-5. doi: 10.1021/jacs.5b08249. Epub 2015 Sep 28.

Particle and domain sizes strongly influence the properties of materials. Here we present an NMR approach based on paramagnetic relaxation enhancement (PRE) relayed by spin diffusion (SD), which allows us to determine lengths in the nm-μm range. We demonstrate...

The preparation of graft copolymers of cellulose and cellulose derivatives using ATRP under homogeneous reaction conditions.

Chemical Society reviews

Joubert F, Musa OM, Hodgson DR, Cameron NR.
PMID: 25016958
Chem Soc Rev. 2014;43(20):7217-35. doi: 10.1039/c4cs00053f.

In this comprehensive review, we report on the preparation of graft-copolymers of cellulose and cellulose derivatives using atom transfer radical polymerization (ATRP) under homogeneous conditions. The review is divided into four sections according to the cellulosic material that is...

Introduction of sustained release opipramol dihydrochloride matrix tablets as a new approach in the treatment of depressive disorders.

International journal of biomedical science : IJBS

Gönüllü U, Uner M, Yener G, Altınkurt T.
PMID: 23675002
Int J Biomed Sci. 2006 Dec;2(4):337-43.

Opipramol 2-HCl (OP) is used for therapy of general somatoform and anxiety disorders. Conventional tablets in the market contain 50 mg OP to be used once or up to three times a day in effective treatment of depression in...

Methacrylic acid-triggered phase transition behavior of thermosensitive hydroxypropylcellulose.

Carbohydrate polymers

Liao Q, Shao Q, Qiu G, Lu X.
PMID: 24750946
Carbohydr Polym. 2012 Aug 01;89(4):1301-4. doi: 10.1016/j.carbpol.2012.04.002. Epub 2012 Apr 07.

Methacrylic acid (MAA)-triggered phase transition of thermosensitive hydroxypropyl cellulose (HPC) was studied. The phase transition temperature of 0.1 wt.% HPC aqueous solutions was dramatically reduced from 41 °C to 8 °C as the MAA concentration increased from 0 wt.%...

A mucoadhesive biodissolvable thin film for localized and rapid delivery of lidocaine for the treatment of vestibulodynia.

International journal of pharmaceutics

Dahl DK, Whitesell AN, Sharma-Huynh P, Maturavongsadit P, Janusziewicz R, Fox RJ, Loznev HT, Button B, Schorzman AN, Zamboni W, Ban J, Montgomery SA, Carey ET, Rahima Benhabbour S.
PMID: 34800616
Int J Pharm. 2021 Nov 17;121288. doi: 10.1016/j.ijpharm.2021.121288. Epub 2021 Nov 17.

Vestibulodynia (VBD), an idiopathic pain disorder characterized by erythema and pain of the vulvar vestibule (the inner aspect of the labia minora and vaginal opening), is the most common cause of sexual pain for women of reproductive age. Women...

Treatment with modified intravesical oxybutynin chloride for neurogenic bladder in children.

Journal of pediatric urology

Hayashi A, Saito M, Okada S, Hanada T, Watanabe T, Satoh K, Kanzaki S.
PMID: 18947791
J Pediatr Urol. 2007 Dec;3(6):438-42. doi: 10.1016/j.jpurol.2007.05.007. Epub 2007 Aug 02.

OBJECTIVE: We have previously reported that intravesical oxybutynin chloride with hydroxypropylcellulose (modified intravesical oxybutynin) is an effective therapeutic agent for patients with detrusor overactivity. In this study, we report on the efficacy, safety and side effects of modified intravesical...

Formulation and evaluation of nitrendipine buccal films.

Indian journal of pharmaceutical sciences

Nappinnai M, Chandanbala R, Balaijirajan R.
PMID: 21394260
Indian J Pharm Sci. 2008 Sep;70(5):631-5. doi: 10.4103/0250-474X.45402.

A mucoadhesive drug delivery system for systemic delivery of nitrendipine, a calcium channel blocker through buccal route was formulated. Mucoadhesive polymers like hydroxypropylmethylcellulose K-100, hydroxypropylcellulose, sodium carboxymethylcellulose, sodium alginate, polyvinyl alcohol, polyvinyl pyrrolidone K-30 and carbopol-934P were used for...

Migration and alignment of spherical particles in sheared viscoelastic suspensions. A quantitative determination of the flow-induced self-assembly kinetics.

Journal of colloid and interface science

Pasquino R, Panariello D, Grizzuti N.
PMID: 23266026
J Colloid Interface Sci. 2013 Mar 15;394:49-54. doi: 10.1016/j.jcis.2012.11.035. Epub 2012 Dec 04.

Flow-Induced Self-Assembly (FISA) is the flow-driven formation of ordered structures in complex fluids. In this paper the effect of shear flow on the microstructure formation of dilute sphere suspensions in a viscoelastic fluid has been studied experimentally by optical...

Development of Orodispersible Tizanidine HCl Tablets Using Spray Dried Coprocessed Exipient Bases.

Indian journal of pharmaceutical sciences

Masareddy R, Kokate A, Shah V.
PMID: 22707822
Indian J Pharm Sci. 2011 Jul;73(4):392-6. doi: 10.4103/0250-474X.95616.

Tizanidine HCl is a centrally acting α-2 adrenergic agonist muscle relaxant with a slightly bitter taste having short half-life of 2.5 h. In the present study effect of co-processed excipient bases in formulation of orodispersible tizanidine HCl tablets by...

Long-Term Efficacy, Safety, and Tolerability of Modified Intravesical Oxybutynin Chloride for Neurogenic Bladder in Children.

Journal of clinical medicine research

Honda M, Kimura Y, Tsounapi P, Hikita K, Saito M, Takenaka A.
PMID: 30937115
J Clin Med Res. 2019 Apr;11(4):256-260. doi: 10.14740/jocmr3752. Epub 2019 Mar 18.

BACKGROUND: Children with spinal cord disorders can present with neurogenic bladder, a condition in which the bladder partly or completely loses its ability to store urine and void at low pressure. A bladder with low compliance may cause urinary...

Design and evaluation of an extended-release matrix tablet formulation; the combination of hypromellose acetate succinate and hydroxypropylcellulose.

Asian journal of pharmaceutical sciences

Fukui S, Yano H, Yada S, Mikkaichi T, Minami H.
PMID: 32104324
Asian J Pharm Sci. 2017 Mar;12(2):149-156. doi: 10.1016/j.ajps.2016.11.002. Epub 2016 Nov 18.

The purpose of this study was to develop an extended-release (ER) matrix tablet that shows robust dissolution properties able to account for the variability of pH and mechanical stress in the GI tract using a combination of enteric polymer...

Showing 13 to 24 of 39 entries