Uniform mesoporous silica coated iron oxide nanoparticles as a highly efficient, nontoxic MRI T(2) contrast agent with tunable proton relaxivities.

abstract：:The purpose of this study was to determine if parameters derived from diffusion-weighted (DW-) and dynamic contrast-enhanced (DCE-) magnetic resonance imaging (MRI) can help to assess early response to peptide receptor radionuclide therapy (PRRT) with 90Y-DOTATOC in neuroendocrine hepatic metastases (NET-HM). Twenty p...

journal_title：Contrast media & molecular imaging

authors： Weikert T,Maas OC,Haas T,Klarhöfer M,Bremerich J,Forrer F,Sauter AW,Sommer G

更新日期：2019-11-11 00:00:00

abstract：:Self-aggregation of dyes even at low concentrations poses a considerable challenge in preparing sufficiently bright molecular probes for in vivo imaging, particularly in the conjugation of near infrared cyanine dyes to polypeptides with multiple labeling sites. Such self-aggregation leads to a significant energy trans...

journal_title：Contrast media & molecular imaging

authors： Zhegalova NG,He S,Zhou H,Kim DM,Berezin MY

更新日期：2014-09-01 00:00:00

abstract：:Overexpression of the chemokine-4 receptor (CXCR4) in brain tumors is associated with high cancer cell invasiveness. Recently, we reported the preclinical evaluation of 99mTc-CXCR4-L (cyclo-D-Tyr-D-[NMe]Orn[EDDA-99mTc-6-hydrazinylnicotinyl]-Arg-NaI-Gly) as a SPECT radioligand capable of specifically detecting the CXCR...

journal_title：Contrast media & molecular imaging

authors： Vallejo-Armenta P,Santos-Cuevas C,Soto-Andonaegui J,Villanueva-Pérez RM,González-Díaz JI,García-Pérez FO,Arrellano-Zarate A,Luna-Gutiérrez M,Azorín-Vega E,Ocampo-García B,Ferro-Flores G

更新日期：2020-04-27 00:00:00

abstract：:Ferrite nanoparticles (F-NPs) can transform both cancer diagnostics and therapeutics. Superparamagnetic F-NPs exhibit high magnetic moment and susceptibility such that in presence of a static magnetic field transverse relaxation rate of water protons for MRI contrast is augmented to locate F-NPs (i.e., diagnostics) an...

journal_title：Contrast media & molecular imaging

authors： Hyder F,Manjura Hoque S

更新日期：2017-12-11 00:00:00

abstract：:Generally angiogenic factors induce the expression of E-selectin in vascular endothelial cells in the tumors. In this study, we employed an anti-E-selectin monoclonal antibody to target tumors in vivo and evaluated an optical imaging reagent to visualize tumor regions. The anti-E-selectin antibody was conjugated on th...

journal_title：Contrast media & molecular imaging

authors： Hirai M,Hiramatsu Y,Iwashita S,Otani T,Chen L,Li YG,Okada M,Oie K,Igarashi K,Wakita H,Seno M

更新日期：2010-03-01 00:00:00

abstract：:Chemical exchange saturation transfer (CEST) MRI is sensitive to dilute proteins and peptides as well as microenvironmental properties. However, the complexity of the CEST MRI effect, which varies with the labile proton content, exchange rate and experimental conditions, underscores the need for developing quantitativ...

journal_title：Contrast media & molecular imaging

authors： Sun PZ,Wang Y,Dai Z,Xiao G,Wu R

更新日期：2014-07-01 00:00:00

abstract：Rationale:To assess the diagnostic value of 18F-FDG-PET/CT for different retroperitoneal soft tissue sarcomas (STS) and other similar tumors. To analyze the predictive value of 18F-FDG-PET/CT for histological grade and main prognostic factors. Methods:195 patients with 44 different diseases have been included. Relatio...

journal_title：Contrast media & molecular imaging

authors： Liu DN,Li ZW,Wang HY,Zhao M,Zhao W,Hao CY

更新日期：2018-07-02 00:00:00

abstract：Objective:We aimed to propose an automatic method based on Support Vector Machine (SVM) and Dynamic Contrast-Enhanced Magnetic Resonance Imaging (DCE-MRI) to segment the tumor lesions of head and neck cancer (HNC). Materials and Methods:120 DCE-MRI samples were collected. Five curve features and two principal componen...

journal_title：Contrast media & molecular imaging

authors： Deng W,Luo L,Lin X,Fang T,Liu D,Dan G,Chen H

更新日期：2017-09-07 00:00:00

abstract：:Physicians and scientists use a broad spectrum of terms to classify contrast media (CM)-induced adverse reactions. In particular, the designation of hypersensitivity reactions is quite varied. Consequently, comparisons of different papers dealing with this subject are difficult or even impossible. Moreover, general de...

journal_title：Contrast media & molecular imaging

authors： Böhm I,Heverhagen JT,Klose KJ

更新日期：2012-11-01 00:00:00

abstract：:D-α-Tocopheryl polyethylene glycol 1000 succinate (TPGS) is a Food and Drug Administration (FDA) approved biomaterial that can form nanosized micelles in aqueous solution. TPGS micelles stand as an interesting system to perform drug delivery as they can carry lipophilic drugs and overcome P glycoprotein efflux as well...

journal_title：Contrast media & molecular imaging

authors： Tesan FC,Nicoud MB,Nuñez M,Medina VA,Chiappetta DA,Salgueiro MJ

更新日期：2019-04-23 00:00:00

abstract：:The over-expression of sialic acid on the surface of cancer cells compared with normal ones makes this nine-carbon sugar an attractive biomarker for molecular diagnosis and therapy. Here, we describe a study on the molecular recognition of sialic acid end groups on the surface of human glioma cells by (160)Tb-DTPA-EN(...

journal_title：Contrast media & molecular imaging

authors： Djanashvili K,Koning GA,van der Meer AJ,Wolterbeek HT,Peters JA

更新日期：2007-01-01 00:00:00

abstract：:Various contrast agents (Magnevist, Gadovist and Multihance) loaded into polymeric nanocapsules were synthesized by the inverse miniemulsion technique. The relaxivity of the resultant contrast agents was assessed at 1.5 T magnetic field strength. The ionic relaxivity of the contrast agents could at least be maintained...

journal_title：Contrast media & molecular imaging

authors： Sharma S,Paiphansiri U,Hombach V,Mailänder V,Zimmermann O,Landfester K,Rasche V

更新日期：2010-03-01 00:00:00

abstract：Purpose:Several meta-analyses have reported data about the diagnostic performance of positron emission tomography or positron emission tomography/computed tomography (PET or PET/CT) with different radiotracers in patients with suspicious lung cancer (LC) or pleural tumours (PT). This review article aims at providing an...

journal_title：Contrast media & molecular imaging

authors： Lococo F,Muoio B,Chiappetta M,Nachira D,Petracca Ciavarella L,Margaritora S,Treglia G

更新日期：2020-04-25 00:00:00

abstract：:Antibody-labeled gold nanoparticles represent a promising novel tool regarding cancer imaging and therapy. Nevertheless, the characterization of biodistribution of such immunonanocarriers has been poorly documented. In this study, the biodistribution of (89)Zr-labeled cetuximab before and after the coupling reaction t...

journal_title：Contrast media & molecular imaging

authors： Karmani L,Labar D,Valembois V,Bouchat V,Nagaswaran PG,Bol A,Gillart J,Levêque P,Bouzin C,Bonifazi D,Michiels C,Feron O,Grégoire V,Lucas S,Vander Borght T,Gallez B

更新日期：2013-09-01 00:00:00

abstract：:In vivo molecular imaging with targeted MRI contrast agents will require sensitive methods to quantify local concentrations of contrast agent, enabling not only imaging-based recognition of pathological biomarkers but also detection of changes in expression levels as a consequence of disease development, therapeutic i...

journal_title：Contrast media & molecular imaging

authors： Kok MB,de Vries A,Abdurrachim D,Prompers JJ,Grüll H,Nicolay K,Strijkers GJ

更新日期：2011-01-01 00:00:00

abstract：:The use of superparamagnetic iron oxide (SPIO) for labeling cells holds great promise for clinically applicable cell tracking using magnetic resonance imaging. For clinical application, an effectively and specifically labeled cell preparation is highly desired (i.e. a large amount of intracellular iron and a negligibl...

journal_title：Contrast media & molecular imaging

authors： van Buul GM,Farrell E,Kops N,van Tiel ST,Bos PK,Weinans H,Krestin GP,van Osch GJ,Bernsen MR

更新日期：2009-09-01 00:00:00

abstract：:Quantum dots (QDs) are fluorescent nanoparticles with broad excitation and narrow, wavelength-tunable emission spectra. They are used extensively for in vitro fluorescence imaging studies and more recently for in vivo small animal and pre-clinical studies. To date there has been little concern about the selection of Q...

journal_title：Contrast media & molecular imaging

authors： Rosenblum LT,Kosaka N,Mitsunaga M,Choyke PL,Kobayashi H

更新日期：2011-05-01 00:00:00

abstract：:An experimental setup consisting of a hollow fiber module (HFM) was developed for the in vitro study of contrast agent (CA) permeability. Controllable flow and known fiber characteristics allowed permeability studies under well-defined conditions with CAs of different molecular weight (MW). In the MRI experiments perf...

journal_title：Contrast media & molecular imaging

authors： Heilmann M,Vautier J,Robert P,Volk A

更新日期：2009-03-01 00:00:00

abstract：:Inorganic doping was used to create flexible, paramagnetic nanoparticle contrast agents for in vivo molecular magnetic resonance imaging (MRI) with low transverse relaxivity (r2). Most nanoparticle contrast agents formed from superparamagnetic metal oxides are developed with high r2. While sensitive, they can have lim...

journal_title：Contrast media & molecular imaging

authors： Clavijo Jordan MV,Beeman SC,Baldelomar EJ,Bennett KM

更新日期：2014-09-01 00:00:00

abstract：:Photoacoustic imaging is an emerging imaging modality for noninvasive detection of tissue structural and functional anomalies. Multifunctional microbubbles (MBs) and nanobubbles (NBs) are contrast agents integrating multiple disease-targeting, imaging and therapeutic functions. Multifunctional MBs and NBs represent an...

journal_title：Contrast media & molecular imaging

authors： Xu RX

更新日期：2011-09-01 00:00:00

abstract：Background:To evaluate the clinical and prognostic value of PET/CT with combination of 68Ga-DOTATATE and 18F-FDG in gastroenteropancreatic neuroendocrine neoplasms (GEP-NENs). Method:83 patients of GEP-NENs who underwent 68Ga-DOTATATE and 18F-FDG PET/CT were enrolled between June 2013 and December 2016. Well-different...

journal_title：Contrast media & molecular imaging

authors： Zhang P,Yu J,Li J,Shen L,Li N,Zhu H,Zhai S,Zhang Y,Yang Z,Lu M

更新日期：2018-02-26 00:00:00

abstract：:A specific mouse whole body coil and a dedicated gradient system at 4.7 T were coupled with an ultra-fast 3D gradient echo MRI and keyhole reconstruction technique to obtain 3D whole-body dynamic T(1)-weighted or T(2)*-weighted imaging. The technique was used to visualize the real-time distribution of non-targeting T(...

journal_title：Contrast media & molecular imaging

authors： Bled E,Hassen WB,Pourtau L,Mellet P,Lanz T,Schüler D,Voisin P,Franconi JM,Thiaudière E,Miraux S

更新日期：2011-07-01 00:00:00

abstract：:Red blood cells (RBCs) loaded with iron oxide nanoparticles have been proposed as biomimetic constructs with long half-life (ca. 20 days) in the blood compartment and potentially interesting properties (such as relaxivity) as intravascular contrast agents for magnetic resonance imaging. However, the encapsulation of n...

journal_title：Contrast media & molecular imaging

authors： Boni A,Ceratti D,Antonelli A,Sfara C,Magnani M,Manuali E,Salamida S,Gozzi A,Bifone A

更新日期：2014-05-01 00:00:00

abstract：Objective:The purpose of this study was to demonstrate the feasibility of using hyperpolarized carbon-13 (13C) metabolic imaging with [1-13C]-labeled pyruvate for evaluating real-time in vivo metabolism of orthotopic diffuse intrinsic pontine glioma (DIPG) xenografts. Materials and Methods:3D 13C magnetic resonance sp...

journal_title：Contrast media & molecular imaging

authors： Autry AW,Hashizume R,James CD,Larson PEZ,Vigneron DB,Park I

更新日期：2018-07-30 00:00:00

abstract：:Glioblastoma (GBM) is the most common primary malignant type of brain neoplasm in adults and carries a dismal prognosis. The current standard of care for GBM is surgical excision followed by radiation therapy (RT) with concurrent and adjuvant temozolomide-based chemotherapy (TMZ) by six additional cycles. In addition,...

journal_title：Contrast media & molecular imaging

authors： Zikou A,Sioka C,Alexiou GA,Fotopoulos A,Voulgaris S,Argyropoulou MI

更新日期：2018-12-02 00:00:00

abstract：:Multimodal nanoprobes are highly demanded for biomedical imaging applications to enhance the reliability of the diagnostic results. Among different types of nano-objects, ultrasmall silica gadolinium nanoparticle (SiGdNP) appears as a safe, effective, and versatile platform for this purpose. In this study, a new metho...

journal_title：Contrast media & molecular imaging

authors： Tran VL,Thakare V,Natuzzi M,Moreau M,Oudot A,Vrigneaud JM,Courteau A,Louis C,Roux S,Boschetti F,Denat F,Tillement O,Lux F

更新日期：2018-11-01 00:00:00

abstract：:Barium sulfate and lead oxide contrast media are frequently used for cadaver-based angiography studies. These contrast media have not previously been compared to determine which is optimal for the visualisation and measurement of blood vessels. In this study, the lower limb vessels of 16 embalmed Wistar rats, and four...

journal_title：Contrast media & molecular imaging

authors： Kingston MJ,Perriman DM,Neeman T,Smith PN,Webb AL

更新日期：2016-07-01 00:00:00

abstract：:Advances in regenerative medicine are rapidly transforming healthcare. A cornerstone of regenerative medicine is the introduction of cells that were grown or manipulated in vitro. Key questions that arise after these cells are re-introduced are: whether these cells are localized in the appropriate site; whether cells ...

journal_title：Contrast media & molecular imaging

authors： Modo M,Kolosnjaj-Tabi J,Nicholls F,Ling W,Wilhelm C,Debarge O,Gazeau F,Clement O

更新日期：2013-11-01 00:00:00

abstract：:Gold nanoparticles coated by gadolinium (III) chelates (Au@DTDTPA) where DTDTPA is a dithiolated bisamide derivative of diethylenetriamine-N,N,N',N'',N''-pentaacetic acid (DTPA), constituted contrast agents for both X-ray computed tomography and magnetic resonance imaging. In an MRI context, highly stable Gd(3+) compl...

journal_title：Contrast media & molecular imaging

authors： Mogilireddy V,Déchamps-Olivier I,Alric C,Laurent G,Laurent S,Vander Elst L,Muller R,Bazzi R,Roux S,Tillement O,Chuburu F

更新日期：2015-05-01 00:00:00

abstract：RATIONALE AND OBJECTIVES:The purpose of this pilot study was to establish the ability of dynamic contrast enhanced computed tomography (DCE-CT) to detect changes in tumor blood flow (BF) and oxygenation induced by vasoactive substances in rats. MATERIALS AND METHODS:Under ultrasound guidance, a fiber-optic probe was g...

journal_title：Contrast media & molecular imaging

authors： Pollard RE,Larson RF

更新日期：2011-01-01 00:00:00