In vitro degradation of pH-sensitive hydrogels containing aromatic azo bonds.

abstract：:Non-invasive approaches to assess tissue function could improve significantly current methods to diagnose diseases and optimize engineered tissues. In this study, we describe a two-photon excited fluorescence microscopy approach that relies entirely on endogenous fluorophores to dynamically quantify functional metabol...

journal_title：Biomaterials

authors： Quinn KP,Bellas E,Fourligas N,Lee K,Kaplan DL,Georgakoudi I

更新日期：2012-07-01 00:00:00

abstract：:Monocytes are actively recruited from the circulation into developing atherosclerotic plaques. In the plaque, monocytes differentiate into macrophages and eventually form foam cells. Continued accumulation of foam cells can lead to plaque rupture and subsequent myocardial infarction. X-ray computed tomography (CT) is ...

journal_title：Biomaterials

authors： Chhour P,Naha PC,O'Neill SM,Litt HI,Reilly MP,Ferrari VA,Cormode DP

更新日期：2016-05-01 00:00:00

abstract：:Two new absorbable monofilament suture materials polydioxanone and Maxon are being employed increasingly in abdominal surgery because of increased strength retention and decreased tissue reactivity compared with previously available materials. As part of our investigation of the behaviour of suture materials, 3-0 sutu...

journal_title：Biomaterials

authors： Metz SA,Chegini N,Masterson BJ

更新日期：1990-01-01 00:00:00

abstract：:It is well known that biomaterials play an important role in the regulation of adhesion and growth of a variety of cultured cell types. However, whether biomaterials are associated with the senescence of cultured cells is not known. The present work shows that the decrease of the hydrophobic property of poly (ethylene...

journal_title：Biomaterials

authors： Lou PJ,Chiu MY,Chou CC,Liao BW,Young TH

更新日期：2010-03-01 00:00:00

abstract：:Protein therapeutics targeting inflammatory mediators have shown great promise for the treatment of autoimmunities such as rheumatoid arthritis (RA). However, a significant challenge in this area has been their low in vivo stability and consequently their severely compromised therapeutic efficacy. One such therapeutic...

journal_title：Biomaterials

authors： Pasi S,Kant R,Gupta S,Surolia A

更新日期：2015-02-01 00:00:00

abstract：:Copolymers of N-(2-hydroxypropyl)methacrylamide (HPMA) are prototypic and well-characterized polymeric drug carriers that have been broadly implemented in the delivery of anticancer therapeutics. To demonstrate that polymers, as liposomes, can be used for simultaneously delivering multiple chemotherapeutic agents to t...

journal_title：Biomaterials

authors： Lammers T,Subr V,Ulbrich K,Peschke P,Huber PE,Hennink WE,Storm G

更新日期：2009-07-01 00:00:00

abstract：:We recently showed that the highly organized architecture of the corneal stroma could be reproduced using scaffolds consisting of orthogonally aligned multilayers of collagen fibrils prepared using a high magnetic field. Here we show that such scaffolds permit the reconstruction in vitro of human hemi-corneas (stroma ...

journal_title：Biomaterials

authors： Builles N,Janin-Manificat H,Malbouyres M,Justin V,Rovère MR,Pellegrini G,Torbet J,Hulmes DJ,Burillon C,Damour O,Ruggiero F

更新日期：2010-11-01 00:00:00

abstract：:Cancer cell metabolism is quite different from normal cells. Targeting cancer metabolism and untuning the tumor metabolic machine has emerged as a promising strategy for cancer therapy. We have developed a multi-functional Re-dca conjugate (Re-dca 2) by conjugating the metabolic modulator dichloroacetate (DCA) to mito...

journal_title：Biomaterials

authors： Yang J,Cao Q,Zhang H,Hao L,Zhou D,Gan Z,Li Z,Tong YX,Ji LN,Mao ZW

更新日期：2018-09-01 00:00:00

abstract：:Patients with stable vitiligo can be helped surgically using transplantation of autologous cultured melanocytes, but there is a need for a culture methodology that is free from xenobiotic agents and for a simple way of delivering cultured melanocytes to the patient to achieve pigmentation with good wound healing. The ...

journal_title：Biomaterials

authors： Eves PC,Beck AJ,Shard AG,Mac Neil S

更新日期：2005-12-01 00:00:00

abstract：:Recent advances in efficient microRNA (miRNA) delivery techniques using brain-targeted nanoparticles offer critical information for understanding the functional role of miRNAs in vivo, and for supporting targeted gene therapy in terms of treating miRNA-associated neurological diseases. Here, we report the rabies virus...

journal_title：Biomaterials

authors： Hwang DW,Son S,Jang J,Youn H,Lee S,Lee D,Lee YS,Jeong JM,Kim WJ,Lee DS

更新日期：2011-07-01 00:00:00

abstract：:A simple and sensitive method for the quantitative determination of solid-supported primary and/or secondary amino groups using commercially available reagents is described. The solid supports are treated in an aqueous environment with either 2-iminothiolane (ITL) or sulpho-succinimidyl-3-(4-hydroxyphenyl)propionate (...

journal_title：Biomaterials

authors： Kakabakos SE,Tyllianakis PE,Evangelatos GP,Ithakissios DS

更新日期：1994-03-01 00:00:00

abstract：:CD47, a "don't eat me" signal, is over-expressed on the surface of most tumors that interacts with signal regulatory protein α (SIRPα) on phagocytic cells. By engaging SIRPα, CD47 limits the ability of macrophages to engulf tumor cells, which acts as a major phagocytic barrier. In this study, we developed an exosome-b...

journal_title：Biomaterials

authors： Koh E,Lee EJ,Nam GH,Hong Y,Cho E,Yang Y,Kim IS

更新日期：2017-03-01 00:00:00

abstract：:A 29 amino-acid peptide derived from the rabies virus glycoprotein (RVG29) was exploited as a ligand for efficient brain-targeting gene delivery. RVG29 was modified on polyamidoamine dendrimers (PAMAM) through bifunctional PEG, then complexed with DNA, yielding PAMAM-PEG-RVG29/DNA nanoparticles (NPs). The NPs were obs...

journal_title：Biomaterials

authors： Liu Y,Huang R,Han L,Ke W,Shao K,Ye L,Lou J,Jiang C

更新日期：2009-09-01 00:00:00

abstract：:Development of biochips containing living cells for biodetection, drug screening and tissue engineering applications is limited by a lack of reconfigurable material interfaces and actuators. Here we describe a new class of nanostructured magnetizable materials created with a femtosecond laser surface etching technique...

journal_title：Biomaterials

authors： Polte TR,Shen M,Karavitis J,Montoya M,Pendse J,Xia S,Mazur E,Ingber DE

更新日期：2007-06-01 00:00:00

abstract：:The nanopore size and roughness of nanoporous surface are two critical variables in determining stem cell fate, but little is known about the contribution from each cue individually. To address this gap, we use two-dimensional nanoporous membranes with controlled nanopore size and roughness to culture bone marrow-deri...

journal_title：Biomaterials

authors： Xia J,Yuan Y,Wu H,Huang Y,Weitz DA

更新日期：2020-07-01 00:00:00

abstract：:High sensitivity at ultra-high field (UHF) and sufficient potential to penetrate the brain are the most desirable characteristics in the development of contrast agents (CAs) for magnetic resonance imaging (MRI). However, incorporating such qualities into a single nanocarrier is challenging. Herein, we report a new str...

journal_title：Biomaterials

authors： Kim HK,Baek AR,Choi G,Lee JJ,Yang JU,Jung H,Lee T,Kim D,Kim M,Cho A,Lee GH,Chang Y

更新日期：2020-06-01 00:00:00

abstract：:High-molecular-weight polyethylenimine (25 kDa, PEI25k) is one of the most common cationic polymers utilized in non-viral gene therapy. However, its methylene backbone (-CH(2)CH(2)N(x)-) and high charge density can result in poor biodegradability and high toxicity to cells. We hypothesize that optimizing the polymer l...

journal_title：Biomaterials

authors： Xiong MP,Forrest ML,Ton G,Zhao A,Davies NM,Kwon GS

更新日期：2007-11-01 00:00:00

abstract：:Nitric oxide (NO) possesses various functions in cardiovascular diseases; however, due to an extremely short half-life and low bioavailability, its therapeutic application is limited. In inflamed tissues, overproduced reactive oxygen species (ROS) rapidly react with the endogenous NO, reducing its bioavailability. Her...

journal_title：Biomaterials

authors： Vong LB,Bui TQ,Tomita T,Sakamoto H,Hiramatsu Y,Nagasaki Y

更新日期：2018-06-01 00:00:00

abstract：:The role of albumin in the mineralisation process of commercial hydroxyapatite (HAp) and synthesised biphasic (HAp-tricalcium phosphate) ceramics in a bufferless simulated inorganic plasma (HBSS) was investigated by conventional in vitro tests and static and dynamic wettability measurements. Albumin was either pre-ads...

journal_title：Biomaterials

authors： Marques PA,Serro AP,Saramago BJ,Fernandes AC,Magalhães MC,Correia RN

更新日期：2003-02-01 00:00:00

abstract：:Hypoxia, as an inevitable characteristic of solid tumors, has been regarded as a noticeably causative factor to therapeutic resistance and metastatic variants. Exploring novel theranostics to realize the accurate diagnosis of hypoxia and the simultaneous implementation of effective therapy is a promising prospect for ...

journal_title：Biomaterials

authors： Song R,Zhang M,Liu Y,Cui Z,Zhang H,Tang Z,Chen X,Wu H,Yao Z,He M,Bu W

更新日期：2018-08-01 00:00:00

abstract：:In this study, we quantified the adsorption of immunoglobulin G (IgG) protein onto several polyelectrolyte-modified sintered porous polyethylene (PPE) membranes. The polymer surfaces had both cationic and anionic charges obtained via the adsorption of polyethylenimine (PEI) and polyacrylic acid (PAA), respectively, on...

journal_title：Biomaterials

authors： Greene G,Radhakrishna H,Tannenbaum R

更新日期：2005-10-01 00:00:00

abstract：:Metal particles and ions from hip prostheses have the potential to induce the production of reactive oxygen species (ROS), making them prime suspects for disturbing the cellular balance of oxidants/antioxidants (redox state of the cell). To better understand the cellular effect of metal ions from metal-on-metal prosth...

journal_title：Biomaterials

authors： Petit A,Mwale F,Tkaczyk C,Antoniou J,Zukor DJ,Huk OL

更新日期：2005-07-01 00:00:00

abstract：:The aim of this study, in rabbit tibia, was an evaluation of the early reactions of the tissues to the insertion of polylactic membranes, used in connection with titanium implants. The specimens were retrieved after 1-4 weeks, and a histological analysis was performed. It was possible to see that, in the early implant...

journal_title：Biomaterials

authors： Piattelli A,Scarano A,Coraggio F,Matarasso S

更新日期：1998-05-01 00:00:00

abstract：:The development of biocompatible photopolymerizing polymers for biomedical and tissue engineering applications has the potential to reduce the invasiveness and cost of biomaterial implants designed to repair or augment tissues. However, more information is needed about the cellular toxicity of the compounds and initia...

journal_title：Biomaterials

authors： Williams CG,Malik AN,Kim TK,Manson PN,Elisseeff JH

更新日期：2005-04-01 00:00:00

abstract：:Mesoporous silica nanoshell (MSN) coating has been demonstrated as a versatile surface modification strategy for various kinds of inorganic functional nanoparticles, such as gold nanorods (GNRs), to achieve not only improved nanoparticle stability but also concomitant drug loading capability. However, limited drug loa...

journal_title：Biomaterials

authors： Xu C,Chen F,Valdovinos HF,Jiang D,Goel S,Yu B,Sun H,Barnhart TE,Moon JJ,Cai W

更新日期：2018-05-01 00:00:00

abstract：:3D printing is known as a cost-effective technique that shows huge potential in fabrication of graft substitutes for bone tissue regeneration. However, the tradeoff between 3D printability, mechanical strength and bioactivity of the printed materials (i.e., inks) remains a challenge. In this work, we present a novel p...

journal_title：Biomaterials

authors： Yang Y,Zhang Q,Xu T,Zhang H,Zhang M,Lu L,Hao Y,Fuh JH,Zhao X

更新日期：2020-12-01 00:00:00

abstract：:Two kinds of micelles containing Rhodamine B were prepared by a solvent evaporation method. One (Lac-f-micelles: lactose-free micelles) was from a Rhodamine-containing copolymer, poly(ethylene glycol)-b-poly(l-lactide-co-2,2-dihydroxylmethyl-propylene carbonate/Rhodamine) [PEG(5000)-b-P(LA(4000)-co-DHP(600)/Rhodamine)...

journal_title：Biomaterials

authors： Ma P,Liu S,Huang Y,Chen X,Zhang L,Jing X

更新日期：2010-03-01 00:00:00

abstract：:Acellular porcine cornea stroma (APCS) prepared using pancreatic phospholipase A(2) was proven to be promising corneal scaffold. However, its dense ultrastructure provides insufficient space that prevents the seeded cells from organizing into a functional tissue. In this report, freezing dry APCS (FD-APCS) biomaterial...

journal_title：Biomaterials

authors： Xiao J,Duan H,Liu Z,Wu Z,Lan Y,Zhang W,Li C,Chen F,Zhou Q,Wang X,Huang J,Wang Z

更新日期：2011-10-01 00:00:00

abstract：:Films made of poly (3-hydroxybutyrate) (PHB), poly(3-hydroxybutyrate- co-3-hydroxyhexanoate) (PHBHHx) consisting of 5%, 12% and 20% hydroxyhexanoate (HHx), respectively, were evaluated for biomedical application in comparison with poly (L-Lactide) (PLA). With the increase of HHx content in PHBHHx, the polymer surface ...

journal_title：Biomaterials

authors： Wang YW,Yang F,Wu Q,Cheng YC,Yu PH,Chen J,Chen GQ

更新日期：2005-03-01 00:00:00

abstract：:Chondrocytes isolated from human foetal epiphyseal cartilage were seeded dynamically into polyglycolic acid (PGA) scaffolds and cultured in recirculation column bioreactors to produce tissue-engineered cartilage. Several culture techniques with the potential to provide endogenous growth factors and other conditions be...

journal_title：Biomaterials

authors： Mahmoudifar N,Doran PM

更新日期：2005-12-01 00:00:00