Loading...


*  Evaluation of the in vivo acute antiinflammatory response of curcumin-loaded nanoparticles - Food & Function (RSC Publishing)...
3 Curcumin is known for its numerous biological activities such as antioxidant,4,5 antitumor,6-10 antidiabetic,11-13 and ... and physical form can influence the way nanoparticles interact with plasma proteins as well as cell membrane uptake, toxicity, ... this might be due to the improved water affinity and colloidal stability of curcumin nanoparticles. ... Nanoparticles were obtained by complexation using the solid dispersion technique, and the characterization of nanoparticles ...
  http://pubs.rsc.org/en/content/articlehtml/2018/fo/c7fo01616f
*  CBN@UniLe Lecce
To direct the interactions between nanoparticles (NPs) and the biological world, it is necessary to control the surface ... the study of the biological responses elicited by the nanomaterials (selective targeting, biochemical signaling, toxicity) ... The research activities of the Center are focused on the following research lines: environment, health and safety (EHS), energy ... chemistry of the NPs in order to: 1) to stabilize the colloidal solutions in biologically relevant media and 2) to conjugate ...
  https://iit.it/centers/cbn-unile
*  Chemistry Newsletter for 4/18/2011 | UW-Madison Department of Chemistry
... and nanocluster growth during ultrashort laser ablation in order to optimize parameters of produced colloidal nanoparticles (Si ... In particular, activities of thisproject imply the improvement of our knowledge of the mechanisms of material ejection ... absence of toxicity as a consequence of nanoparticle synthesis in aqueous biocompatible environment (deionized water, PBS); (d ... including biological sensing, imaging and therapeutics. We recently introduced several new laser-assisted methodologies for the ...
  http://www.chem.wisc.edu/content/chemistry-newsletter-4182011
*  Sorption and toxicity reduction of pharmaceutically active compounds and endocrine disrupting chemicals in the presence of...
This study investigated the toxicity changes and sorption of pharmaceuticals and endocrine disrup... ... Article Sorption and toxicity reduction of pharmaceutically active compounds and endocrine disrupting chemicals in the presence ... effects on toxicity and (iv) reuse potential of ZVA nanoparticles after ZVA/HP and ZVA/PS treatments. In pure water, ZVA ... and toxicity reduction of pharmaceutically active compounds and endocrine disrupting chemicals in the presence of colloidal ...
  https://www.environmental-expert.com/articles/sorption-and-toxicity-reduction-of-pharmaceutically-active-compounds-and-endocrine-disrupting-chemic-671056
*  Science Awards
... and ultrafiltration techniques were employed alongside the biological exposures to examine the fate of nanoparticles in the ... Acute toxicity chemical Chemicals Ecotoxicity Ecotoxicology environment exposure Exposure assessment NOAEL OECD REACh Risk ... Specifically we hypothesise that the persistence of dissolution products or a colloidal fraction of NPs in sediment pore waters ... What is less understood is if NPs entering sediments will have the same capacity for toxicity as particles in suspension in the ...
  http://www.ecetoc.org/activities/science-awards/
*  Timothy Wiedmann, PhD | School of Dentistry - University of Minnesota
... and polymer-based nanoparticles.Most recently, he has focused on testing the inhalation toxicity of aldehydes associated with ... activities of Professor Wiedmann share the common thread of characterizing the physical chemical properties of biological ... Wiedmann has also studied colloidal systems, including solubilization and transport of bile salt/phospholipid micellar systems ... Jing Y, Liu J, Ji WH, Wang W, He SH, Jiang XZ, Wiedmann T, Wan, C, Wang JP (2015) Biocompatible Fe-Si Nanoparticles with ...
  https://www.dentistry.umn.edu/bio/pharmacy-faculty-by-department/timothy-wiedmann
*  Cell-penetrating peptide - Wikipedia
... of these compounds using dendrimeric guanidines showed similar activities as TAT-based CPPs but higher toxicity. New substrates ... "Journal of Biological Physics. 33 (5-6): 345-356. doi:10.1007/s10867-008-9074-3. PMC 2565759. PMID 19669523.. ... Colloidal QD emission can be modulated from UV-Vis to the infrared by using different types of coating agents, such as ZnS, CdS ... SPIO nanoparticles confer high sensitivity in MRI but they have lower affinity for cells; they work at high concentrations. ...
  https://en.wikipedia.org/wiki/Cell_penetrating_peptide
*  Pharmaceutics | Free Full-Text | From Molecular to Nanotechnology Strategies for Delivery of Neurotrophins: Emphasis on Brain...
The therapeutic use of neurotrophins has been restrained by their instability and rapid degradation in biological medium. A ... By comparison of the biological activities of designed cyclic peptide dimers with various compositions, mimicking the loops 1, ... Lipid-based colloidal carriers for peptide and protein delivery-liposomes versus lipid nanoparticles. Int. J. Nanomed. 2007, 2 ... transgene expression at low cellular toxicity. [179,195]. Gene transfer via genetically-engineered bone marrow stem cells ...
  http://www.mdpi.com/1999-4923/5/1/127/htm
*  Highly bacterial resistant silver nanoparticles: synthesis and antibacterial activities | SpringerLink
... we describe a simple one-pot rapid synthesis route to produce uniform silver nanoparticles by thermal reduction of AgNO3using ... Asharani P, Wu Y, Gong Z, Valiyaveettil S (2008) Toxicity of silver nanoparticles in zebrafish models. Nanotechnology 19:255102 ... Henglein A, Giersig M (1999) Formation of colloidal silver nanoparticles: capping action of citrate. J Phys Chem B 103:9533- ... Phase transfer of highly monodisperse iron oxide nanocrystals with Pluronic F127 for biological applications. J Magn Magn Mater ...
  https://link.springer.com/article/10.1007%2Fs11051-009-9845-1
*  Cell-penetrating peptide - Wikipedia
... of these compounds using dendrimeric guanidines showed similar activities as TAT-based CPPs but higher toxicity. New substrates ... Colloidal QD emission can be modulated from UV-Vis to the infrared by using different types of coating agents, such as ZnS, CdS ... SPIO nanoparticles confer high sensitivity in MRI but they have lower affinity for cells; they work at high concentrations. ... Biological and pharmacokinetic studies with β-peptides. Chimica 1998(52)734-739. Akkarawongsa, R., Terra B. Potocky, T., B., ...
  https://en.wikipedia.org/wiki/Cell-penetrating_peptide
*  Laser-ablative nanostructuring of surfaces on Environmental XPRT
We present an overview of laser methods for nanostructuring of surfaces that are in the focus of ongoing research activities of ... colloidal nanoparticles, nanotechnology, quantum dots, nanoarrays, photovoltaics, optoelectronics, biological sensing, ... Zebrafish embryo toxicity test has become a popular method for detecting the environmental pollutions. But our research showed ... We present an overview of laser methods for nanostructuring of surfaces that are in the focus of ongoing research activities of ...
  https://www.environmental-expert.com/articles/laser-ablative-nanostructuring-of-surfaces-436237
*  Protocols and Video Articles Authored by Ivan Zanoni
The spontaneous propensity of both organic and colloidal nanoparticles to be captured by the cells of the reticuloendothelial ... Several cell biological processes play a role in the regulation of innate signaling responses; at the same time, innate ... In vitro viability assays showed no toxicity of Re-Py-PhenISA and Ru-PhenISA complexes, at concentrations in the range of 0.5- ... Modulation of CD14 and TLR4·MD-2 Activities by a Synthetic Lipid A Mimetic Chembiochem : a European Journal of Chemical Biology ...
  https://www.jove.com/author/Ivan_Zanoni
*  Protocols and Video Articles Authored by L. James Lee (Translated to Hindi)
The toxicity of artificial nanoparticles is a major concern in industrial applications. Cellular uptake of hard nanoparticles ... The biological activities of dual-labeled lipoplexes and polyplexes remained unaltered compared to their unlabeled counterparts ... The SPs had a mean diameter of less than 100 nm and exhibited excellent colloidal stability. The SP/siRNA complexes possessed a ... Our finding suggests that prevention against nonendocytic uptake could help reduce the toxicity of hard nanoparticles. ...
  https://www.jove.com/author/L.+James_Lee?language=Hindi
*  Studies on the biocompatibility and the interaction of silver nanoparticles with human mesenchymal stem cells (hMSCs) -...
Despite the widespread use of nanosilver, there is a serious lack of information concerning the biological activities of ... The agglomeration tendency of Ag-NPs in different biological media increased with a high electrolyte content, e.g., in RPMI. ... In this study, the influence of spherical Ag-NPs (diameter about 100 nm) on the biological functions (proliferation, cytokine ... or clothing industry due to well-known slow-release antiseptic activities. ...
  https://www.semanticscholar.org/paper/Studies-on-the-biocompatibility-and-the-interaction-Greulich-Kittler/0da2f752c31ce63d4d530bc70c952125a1539a31
*  Effect of primary particle size on colloidal stability of multiwall carbon nanotubes on Environmental XPRT
Multiwall carbon nanotubes (MWCNTs) are one type of nanoparticles that have various special properties and potential ... Article Effect of primary particle size on colloidal stability of multiwall carbon nanotubes. ... along with the World Wide Web are revolutionizing both generation of and access to data regarding the biological activities ... High‐throughput toxicity testing technologies ... Effect of primary particle size on colloidal stability of .... ...
  https://www.environmental-expert.com/articles/effect-of-primary-particle-size-on-colloidal-stability-of-multiwall-carbon-nanotubes-403389
*  On the Enhanced Antibacterial Activity of Antibiotics Mixed with Gold Nanoparticles
... increase in the activity of the antibiotic-colloidal-gold mixture ranged from 12 to 40%, as compared with the activities of the ... optical imaging of biological cells (including cancer cell imaging with resonance scattering [17,18], optical coherence ... there is great interest in the development of nanoparticle-based vectors that decrease the toxicity of free drugs and ensure ... Keywords: Colloidal-gold nanoparticles, Gentamicin, Drug delivery, Antibacterial activity, Agar-well-diffusion method, Minimum ...
  http://pubmedcentralcanada.ca/pmcc/articles/PMC2894127/
*  USGS National Research Program: NRP Scientists
Mechanisms of Biological and Ecological Response in Disturbed Aquatic Ecosystems. show details View Publications. Aquatic ... Future activities will focus on publishing additional data and models in peer-reviewed journals, the analysis of sediments ... iii) To model metal bioaccumulation and toxicity using kinetic models. iv) To develop approaches that use isotopically modified ... Bioaccumulation; Bioavailability; Ecology; Isotopic Tracers; Metals; Nanoparticles; Trace Elements. Research objectives: i) To ...
  https://water.usgs.gov/nrp/science.php?sciArea=Climate%20Change
*  Frontiers | Nanoparticle-Based and Bioengineered Probes and Sensors to Detect Physiological and Pathological Biomarkers in...
They can detect and measure enzymatic activities of proteases (metalloproteinases, caspases), ions, metabolites, and other ... They can detect and measure enzymatic activities of proteases (metalloproteinases, caspases), ions, metabolites, and other ... of nanoparticle-based and genetically engineered probes and sensors that are used to reveal changes in protease activities and ... of nanoparticle-based and genetically engineered probes and sensors that are used to reveal changes in protease activities and ...
  https://www.frontiersin.org/articles/10.3389/fnins.2015.00480/full
*  Green synthesis of silver nanoparticles using the mushroom fungus Schizophyllum commune and its biomedical applications |...
... which are small metallic colloidal particles, ranging 1 ∼ 100 nm in size, have several nano biotechnological applications in ... Analysis of biological activities of the silver nanoparticles disclosed their significant antibacterial activity against ... Lee, S., J. Lee, K. Kim, S.-J. Sim, M. B. Gu, J. Yi, and J. Lee (2009) Eco-toxicity of commercial silver nanopowders to ... Silver nanoparticles, which are small metallic colloidal particles, ranging 1 ∼ 100 nm in size, have several nano ...
  https://link.springer.com/article/10.1007%2Fs12257-014-0071-z
*  Nanomedicines | The New York Academy of Sciences
PEGylated gold nanoparticles are entering phase II trials for delivering tumor necrosis factor, whose extreme toxicity has ... Tamarkin described a platform based on colloidal gold nanoparticles, mostly between 15 nm and 35 nm in diameter. Such colloids ... The approval process for follow-ons of non-biological complex drugs (NBCDs) may need to be different from that used for either ... In her current role, she leads the development and coordination of the agency's regulatory policy activities relevant to the ...
  https://www.nyas.org/ebriefings/nanomedicines/
*  Zinc Oxide Nanoparticles for Revolutionizing Agriculture: Synthesis and Applications
But these nanoparticles have ability to penetrate to the skin and to reach viable cells resulting in the potential toxicity ... The colloidal solution of zinc oxide nanoparticles is used as fertilizer. This type of nanofertilizer plays an important role ... So biological approaches using microorganisms and plants or plant extracts for synthesis of metal nanoparticles have been ... Antimicrobial activities of metal oxide (ZnO NPs) powders against Staphylococcus aureus, Escherichia coli, or fungi were ...
  https://www.hindawi.com/journals/tswj/2014/925494/
*  Biodistribution and Tumors MRI Contrast Enhancement of Magnetic Nanocubes, Nanoclusters, and Nanorods in Multiple Mice Models
"In vitro biological activities of anionic gamma-Fe2O3 nanoparticles on human melanoma cells," Journal of Nanoscience and ... J. S. Kim, T.-J. Yoon, K. Nam Yu et al., "Toxicity and tissue distribution of magnetic nanoparticles in mice," Toxicological ... A. Kostopoulou, S. K. P. Velu, K. Thangavel et al., "Colloidal assemblies of oriented maghemite nanocrystals and their NMR ... biodistribution and toxicity of iron oxide nanoparticles," Chemical Society Reviews, vol. 44, no. 23, pp. 8576-8607, 2015. View ...
  https://www.hindawi.com/journals/cmmi/2018/8264208/ref/
*  Real-time monitoring of cisplatin cytotoxicity on three-dimensional sp | DDDT
Toxicity of colloidal silica nanoparticles administered orally for 90 days in rats Kim YR, Lee SY, Lee EJ, Park SH, Seong NW, ... Biokinetics of zinc oxide nanoparticles: toxicokinetics, biological fates, and protein interaction Choi SJ, Choy JH ... Anticancer activities of self-assembled molecular bowls containing a phenanthrene-based donor and Ru(II) acceptors Kim I, Song ... Zinc oxide nanoparticles: a 90-day repeated-dose dermal toxicity study in rats Ryu HJ, Seo MY, Jung SK, Maeng EH, Lee SY, Jang ...
  https://www.dovepress.com/real-time-monitoring-of-cisplatin-cytotoxicity-on-three-dimensional-sp-peer-reviewed-article-DDDT
*  Ultrafast sonochemical synthesis of protein-inorganic nanoflowers | IJN
Toxicity of colloidal silica nanoparticles administered orally for 90 days in rats Kim YR, Lee SY, Lee EJ, Park SH, Seong NW, ... Biokinetics of zinc oxide nanoparticles: toxicokinetics, biological fates, and protein interaction Choi SJ, Choy JH ... Anticancer activities of self-assembled molecular bowls containing a phenanthrene-based donor and Ru(II) acceptors Kim I, Song ... Zinc oxide nanoparticles: a 90-day repeated-dose dermal toxicity study in rats Ryu HJ, Seo MY, Jung SK, Maeng EH, Lee SY, Jang ...
  https://www.dovepress.com/ultrafast-sonochemical-synthesis-of-protein-inorganic-nanoflowers-peer-reviewed-article-IJN
*  Ultraviolet light and laser irradiation enhances the antibacterial act | IJN
The overall results of this study suggest that the prepared nanoparticles have potential as a potent antibacterial agent for ... Keywords: gold nanoparticles, glucosamine, light irradiation, antibacterial activity, bacterial morphology ... Here we report a novel method for the synthesis of glucosamine-functionalized gold nanoparticles (GlcN-AuNPs) using ... Ultraviolet light and laser irradiation enhances the antibacterial activity of glucosamine-functionalized gold nanoparticles ...
  https://www.dovepress.com/ultraviolet-light-and-laser-irradiation-enhances-the-antibacterial-act-peer-reviewed-article-IJN-recommendation1