Cleavable PEGylation: a strategy for overcoming the "PEG dilemma" in efficient drug delivery.

abstract：:Radio-labeled hydrogel beads, based on amidated pectin, have been produced by adding droplets of an amidated pectin solution to calcium chloride. Incorporation of model drugs into the beads and measurement of the dissolution rate showed that the properties of the beads were unaffected by the incorporation of the radio...

journal_title：Drug delivery

authors： Munjeri O,Collett JH,Fell JT,Sharma HL,Smith AM

更新日期：1998-01-01 00:00:00

abstract：:The purpose of the present study is to develop a new method to prepare magnetite chitosan microspheres conjugated with methotrexate (MTX) for the controlled release of MTX as a magnetic targeting drug delivery system. MTX was first conjugated to the chitosan chain via a peptide bond and then a suspension cross-linking...

journal_title：Drug delivery

authors： Zhang X,Chen F,Ni J

更新日期：2009-07-01 00:00:00

abstract：:The distinct hormone molecules and receptors, such as follicle-stimulating hormone receptor (FSHR) in ovarian cancer, provide opportunities for more precisely targeted therapy. We previously developed FSHR-mediated nanoparticles and found that FSH peptides on the surface of nanoparticles improved the delivery of short...

journal_title：Drug delivery

authors： Hong SS,Zhang MX,Zhang M,Yu Y,Chen J,Zhang XY,Xu CJ

更新日期：2018-11-01 00:00:00

abstract：:Lung cancer is still the most common cancer globally. Early screening remains the key to improve the prognosis of patients. There is currently a lack of specific and sensitive methods for early screening of lung cancer. In recent years, studies have found that microRNA plays an important role in the occurrence and dev...

journal_title：Drug delivery

authors： Zhu HZ,Hou J,Guo Y,Liu X,Jiang FL,Chen GP,Pang XF,Sun JG,Chen ZT

更新日期：2018-11-01 00:00:00

abstract：:The conjugation of tunable peptides or materials with nanocarriers represents a promising approach for drug delivery to tumor cells. In this study, we report the development of a novel liposomal carrier system that exploits the cell surface binding synergism between photo-sensitive peptides (PSPs) and targeting ligand...

journal_title：Drug delivery

authors： Xie X,Yang Y,Yang Y,Zhang H,Li Y,Mei X

更新日期：2016-09-01 00:00:00

abstract：:Ocular drug delivery remains challenging because of the complex nature and structure of the eye. Conventional systems, such as eye drops and ointments, are inefficient, whereas systemic administration requires high doses resulting in significant toxicity. There is a need to develop novel drug delivery carriers capable...

journal_title：Drug delivery

authors： Seyfoddin A,Shaw J,Al-Kassas R

更新日期：2010-09-01 00:00:00

abstract：:Systemic drug delivery systems (SDDSs) for thyroid cancer treatment are associated with serious side effects including nausea, anorexia, and hair loss as a result of damage to normal tissues. In this study, we investigated the feasibility of a local DDS (LDDS) based on visible light-cured glycol chitosan (GC) hydrogel...

journal_title：Drug delivery

authors： Yoo Y,Yoon SJ,Kim SY,Lee DW,Um S,Hyun H,Hong SO,Yang DH

更新日期：2018-11-01 00:00:00

abstract：:The aim of this study was to evaluate the effects of therapeutic pulsed ultrasound with gold nanoparticles on oxidative stress parameters after traumatic muscle injury in Wistar rats. The animals were randomly divided into nine groups (n = 6 each): sham (uninjured muscle); muscle injury without treatment; muscle injur...

journal_title：Drug delivery

authors： Silveira PC,Victor EG,Notoya Fde S,Scheffer Dda L,Silva Ld,Cantú RB,Martínez VH,de Pinho RA,Paula MM

更新日期：2016-01-01 00:00:00

abstract：:A macromolecular pro-drug of a known anti-viral agent Zidovudine (AZT) was synthesized and evaluated as a sustained drug delivery system. The pro-drug was synthesized by coupling the drug to 2-hydroxyethyl methacrylate (HEMA) through a succinic spacer to get a monomeric drug conjugate which was polymerized to obtain t...

journal_title：Drug delivery

authors： Neeraj A,Chandrasekar MJ,Sara UV,Rohini A

更新日期：2011-05-01 00:00:00

abstract：PURPOSE:A topical microemulsion (ME)-based hydrogel was developed to enhance permeation of an antifungal drug, sertaconazole (STZL) for effective eradication of cutaneous fungal infection. METHODS:Pseudo-ternary phase diagrams were used to determine the existence of MEs region. ME formulations were prepared with oleic...

journal_title：Drug delivery

authors： Sahoo S,Pani NR,Sahoo SK

更新日期：2016-01-01 00:00:00

abstract：:ALA-loaded nanostructured lipid carrier (ALA-NLC) was designed to improve physicochemical stability and water solubility, and promote sustained release of ALA as well as determine the biocompatibility of ALA-NLC. The ALA-NLC manufactured using hot high-pressure homogenization technique was investigated in terms of siz...

journal_title：Drug delivery

authors： Wang J,Xia Q

更新日期：2014-08-01 00:00:00

abstract：:A novel niosomal delivery system was designed and investigated for the targeted delivery of daunorubicin (DNR) against acute myeloid leukemia (AML). Anti-CD123 antibodies conjugated to Mal-PEG2000-DSPE were incorporated into normal niosomes (NS) via a post insertion method to afford antibody-modified niosomes (CD123-N...

journal_title：Drug delivery

authors： Liu FR,Jin H,Wang Y,Chen C,Li M,Mao SJ,Wang Q,Li H

更新日期：2017-11-01 00:00:00

abstract：:Although convection-enhanced delivery (CED) can successfully facilitate a bypass of the blood brain barrier, its treatment efficacy remains highly limited in clinic. This can be partially attributed to the brain anisotropic characteristics that lead to the difficulties in controlling the drug spatial distribution. Her...

journal_title：Drug delivery

authors： Zhan W,Rodriguez Y Baena F,Dini D

更新日期：2019-12-01 00:00:00

abstract：:The combination of protein-coated graphene oxide (GO) and microencapsulation technology has moved a step forward in the challenge of improving long-term alginate encapsulated cell survival and sustainable therapeutic protein release, bringing closer its translation from bench to the clinic. Although this new approach ...

journal_title：Drug delivery

authors： Ciriza J,Saenz Del Burgo L,Gurruchaga H,Borras FE,Franquesa M,Orive G,Hernández RM,Pedraz JL

更新日期：2018-11-01 00:00:00

abstract：:Gastric cancer is a frequently occurring cancer with high mortality each year worldwide. Finding new and effective therapeutic strategy against human gastric cancer is still urgently required. Hence, we have established a new method to achieve treatment-actuated modifications in a tumor microenvironment by utilizing s...

journal_title：Drug delivery

authors： Xiao Y,Gao Y,Li F,Deng Z

更新日期：2020-12-01 00:00:00

abstract：:The aim of present study was to investigate a pH-responsive and mucoadhesive nanoparticle system for oral bioavailability enhancement of low-molecular weight heparin (LMWH). The thioglycolic acid (TGA) was first covalently attached to chitosan (CS) with 396.97 ± 54.54 μmol thiol groups per gram of polymer and then the...

journal_title：Drug delivery

authors： Fan B,Xing Y,Zheng Y,Sun C,Liang G

更新日期：2016-01-01 00:00:00

abstract：:Hydrogels based on poly(ethylene glycol)-diacrylate (PEG-DA) and 2-hydroxyethyl methacrylate (HEMA) were polymerized with cross-linking agent ethylene glycol diacrylate (EGDMA) under mild photoinitiating conditions. PEG-DA and HEMA concentrations of disks with 1 +/- 0.3 mm thickness were 30% and 50% w/w and 40% and 60...

journal_title：Drug delivery

authors： Ayhan F,Ozkan S

更新日期：2007-10-01 00:00:00

abstract：:Nonviral gene delivery systems are a promising approach for gene therapy applications, despite their low in vivo gene transfer efficiency. One approach to enhance this efficiency is to incorporate targeting elements into cationic lipid/DNA complexes (lipoplexes). Ligand-containing lipoplexes have to retain their effic...

journal_title：Drug delivery

authors： Carrière M,Escriou V,Jollet A,Scherman D,Azoulay M,Monneret C

更新日期：2004-11-01 00:00:00

abstract：:Bioadhesive sodium alginate microspheres of Metoprolol tartrate (MT) for intranasal systemic delivery were prepared to avoid the first-pass effect, as an alternative therapy to injection, and to obtain improved therapeutic efficacy in the treatment of hypertension and angina pectoris. The microspheres (Ms) were prepar...

journal_title：Drug delivery

authors： Rajinikanth PS,Sankar C,Mishra B

更新日期：2003-01-01 00:00:00

abstract：:Aminoglycoside-induced hair cell (HC) loss is a major cause of hearing impairment, and the effective prevention of HC loss remains an unmet medical need. Epigenetic mechanisms have been reported to be involved in protecting cochlear cells against ototoxic drug injury, and in this study we developed new bioactive compo...

journal_title：Drug delivery

authors： Li A,You D,Li W,Cui Y,He Y,Li W,Chen Y,Feng X,Sun S,Chai R,Li H

更新日期：2018-11-01 00:00:00

abstract：:The main aim of this work was to develop rectal suppositories for better delivery of metoprolol tartrate (MT). The various bases used were fatty, water soluble and emulsion bases. The physical properties of the prepared suppositories were characterized such as weight variation, hardness, disintegration time, melting r...

journal_title：Drug delivery

authors： Abou el Ela Ael S,Allam AA,Ibrahim EH

更新日期：2016-01-01 00:00:00

abstract：CONTEXT:Artemether and lumefantrine combination therapy is well-accepted for uncomplicated malaria treatment. However, the current available formulation has several pharmacokinetic mismatches such as drug degradation in gastrointestinal tract, erratic absorption, etc. Hence, need of the hour is the injectable formulati...

journal_title：Drug delivery

authors： Parashar D,Aditya NP,Murthy RS

更新日期：2016-01-01 00:00:00

abstract：:Hot-melt extrusion (HME) plays an important role in preparing implants as local drug delivery systems in pharmaceutical fields. Here, a new PLA/PEG-PPG-PEG/Dexamethasone (PLA/F68/Dex) implant prepared by HME has been developed. Importantly, the implant was successfully achieved to control release of immunosuppressive ...

journal_title：Drug delivery

authors： Li D,Guo G,Deng X,Fan R,Guo Q,Fan M,Liang J,Luo F,Qian Z

更新日期：2013-04-01 00:00:00

abstract：:Silk was easily dyed in traditional textile industry because of its strong affinity to many colorants. Herein, the biocompatible silk fibroin was firstly extracted from Bombyx mori silkworm cocoons. And SF nanoparticles (SFNPs) were prepared for dyeing indocyanine green (ICG) and construct a therapeutic nano-platform ...

journal_title：Drug delivery

authors： Xu HL,ZhuGe DL,Chen PP,Tong MQ,Lin MT,Jiang X,Zheng YW,Chen B,Li XK,Zhao YZ

更新日期：2018-11-01 00:00:00

abstract：:A conjugate consisting of streptavidin (biotinylated transferrin)-biotinylated polylysine for DNA delivery to cells was modified by partial nicotinylation of the polylysine component of the conjugate and used for transfection studies. A conjugate of biotin10-nicotinyl60-polylysine250 containing 60 weakly basic nicotin...

journal_title：Drug delivery

authors： Quick G,van Zyl J,Hawtrey A,Ariatti M

更新日期：2000-10-01 00:00:00

abstract：:Boronophenylalanine (BPA)-loaded conventional and stabilized liposomes were prepared by the reversed phase evaporation method to treat liver metastases by boron neutron capture therapy. Conventional vesicles were composed of phosphatidylcholine and cholesterol, molar ratio 1:1. To obtain stealth liposomes, GM1 or PEG ...

journal_title：Drug delivery

authors： Pavanetto F,Perugini P,Genta I,Minoia C,Ronchi A,Prati U,Roveda L,Nano R

更新日期：2000-04-01 00:00:00

abstract：:The aim of this work was to prepare salts of 6-methoxy-2-naphthylacetic acid (6-MNA) to improve its physicochemical properties for percutaneous application. 6-MNA, an active metabolite of non-steroidal anti-inflammatory drug nabumetone has long half life and has the tendency to penetrate well into synovial fluid. The ...

journal_title：Drug delivery

authors： Pawar V,Kumar HY,Giridhar R,Yadav MR

更新日期：2015-05-01 00:00:00

abstract：:Agomelatine (AGM) is an antidepressant drug with a low absolute bioavailability due to the hepatic first pass metabolism. AGM-loaded solid lipid nanoparticles were formulated in the form of an in situ gel to prolong the intranasal retention time and subsequently to increase the absorbed amount of AGM. The optimized in...

journal_title：Drug delivery

authors： Fatouh AM,Elshafeey AH,Abdelbary A

更新日期：2017-11-01 00:00:00

abstract：:The aim of the current study was to formulate terconazole (TCZ) loaded polymeric mixed micelles (PMMs) incorporating Cremophor EL as a stabilizer and a penetration enhancer. A 23 full factorial design was performed using Design-Expert® software for the optimization of the PMMs which were formulated using Pluronic P123...

journal_title：Drug delivery

authors： Abd-Elsalam WH,El-Zahaby SA,Al-Mahallawi AM

更新日期：2018-11-01 00:00:00

abstract：:This study focused on preparation and evaluation of a thermosensitive and mucoadhesive in situ gelling ophthalmic system of azithromycin (ATM). Poloxamer 407 (P407) and poloxamer 188 (P188) were used as gelling agents. Addition of Carbopol 974P (CP 974P) to the gelling systems could increase the solubility of ATM by s...

journal_title：Drug delivery

authors： Cao F,Zhang X,Ping Q

更新日期：2010-09-01 00:00:00