167,941 results match your criteria Colloid Cysts


Self-assembled CpG oligodeoxynucleotides conjugated hollow gold nanospheres to enhance cancer-associated immunostimulation.

Colloids Surf B Biointerfaces 2018 Dec 3;175:248-255. Epub 2018 Dec 3.

Key Laboratory of Coal Conversion & New Carbon Materials of Hubei Province, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, PR China. Electronic address:

To realize efficiently cellular uptake and enhance the immunostimulation, thiolated cytosine-phosphate-guanine (CpG) oligodeoxynucleotides (ODNs) were self-assembled on hollow gold nanospheres (HGNs) to form CpG-HGNs. The cellular uptake of CpG-HGNs in immune cells was studied in RAW 264.7 cells. Read More

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December 2018

Photothermally controlled drug release system with high dose loading for synergistic chemo-photothermal therapy of multidrug resistance cancer.

Colloids Surf B Biointerfaces 2018 Dec 5;175:239-247. Epub 2018 Dec 5.

Laboratory of Environmental Sciences and Technology, Xinjiang Technical Institute of Physics & Chemistry, Chinese Academy of Sciences, Urumqi, Xinjiang 830011, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China. Electronic address:

Chemotherapy is an important first-line strategy for tumor therapy in cancer treatment, but multidrug resistance (MDR) is a major problem that reduces the efficacy of chemotherapeutics. Herein, we report a novel photothermally controlled intelligent drug release system (AuNP@mSiO-DOX-FA) with a large amount of drugs loading for synergistic chemo-photothermal therapy of MDR in breast cancer. The nanoplatform utilized gold nanoparticles as a hyperthermia core, and large-mesoporous silica as a shell for doxorubicin (DOX) loading. Read More

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December 2018

Crystalloids vs. colloids for fluid resuscitation in the Intensive Care Unit: A systematic review and meta-analysis.

J Crit Care 2018 Nov 30;50:144-154. Epub 2018 Nov 30.

Meridian HealthComms, Plumley Moor Road, Plumley, UK. Electronic address:

Purpose: Guidelines recommend crystalloids for fluid resuscitation in sepsis/shock and switching to albumin in cases where crystalloids are insufficient. We evaluated hemodynamic response to crystalloids/colloids in critically ill adults.

Materials And Methods: The primary research question was: "Are crystalloids sufficient for volume replacement in severe indications (intensive care unit [ICU]/critical illness)?" Randomized, controlled trials (RCTs) were identified using PubMed and EMBASE, and screened against predefined inclusion/exclusion criteria. Read More

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November 2018

New Insights into Black Carbon Nanoparticle-induced Dispersibility of Goethite Colloids and Configuration-dependent Sorption for Phenanthrene.

Environ Sci Technol 2018 Dec 12. Epub 2018 Dec 12.

Black carbon nanoparticles (nano-BC) are one of the most active components in pyrogenic carbonaceous matter and involve in many biogeochemical processes. This study investigated heteroaggregation of nano-BC with goethite (a model of natural mineral colloids) and the configuration effect of heteroaggregates on phenanthrene (PHE) sorption. Nano-BC could significantly enhance the dispersion of goethite via heteroaggregation when its concentration was higher than the critical concentration (Cc). Read More

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December 2018

Directional freezing of binary colloidal suspensions: a model for size fractionation of graphene oxide.

Soft Matter 2018 Dec 12. Epub 2018 Dec 12.

Center of Soft Matter Physics and Its Applications, Beihang University, Beijing 100191, China.

The performance of graphene oxide (GO)-based materials strongly depends on the lateral size and size distribution of GO nanosheets. Various methods are employed to prepare GO nanosheets with a narrow size distribution. One promising method was proposed recently, directional freezing of a GO aqueous dispersion at a controlled growth rate of the freezing front. Read More

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December 2018

A High-Throughput Magnetic Nanoparticle-Based Semi-Automated Antibody Phage Display Biopanning.

Methods Mol Biol 2019 ;1904:377-400

Institute for Research in Molecular Medicine, Universiti Sains Malaysia, Penang, Malaysia.

Panning is a common process used for antibody selection from phage antibody libraries. There are several methods developed for a similar purpose, namely streptavidin mass spectrometry immunoassay (MSIA™) Disposable Automation Research Tips, magnetic beads, polystyrene immunotubes, and microtiter plate. The advantage of using a magnetic particle processor system is the ability to carry out phage display panning against multiple target antigens simultaneously in parallel. Read More

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January 2019

HATRICK-Synchronous Triple Primary Tumors of Thyroid.

Indian J Surg Oncol 2018 Dec 18;9(4):592-594. Epub 2018 May 18.

3Department of Pathology, St. John's Medical College and Hospital, Bengaluru, Karnataka India.

Multiple primary cancer (MPC) has an incidence of 1.8% and is defined as having two or more cancers in a single patient. Synchronous tumors are defined as ≥ 2 primary tumors occurring within 6 months of diagnosis of the first primary tumor. Read More

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December 2018

Conformational and solution dynamics of hemoglobin (Hb) in presence of a cleavable gemini surfactant: Insights from spectroscopy, atomic force microscopy, molecular docking and density functional theory.

J Colloid Interface Sci 2018 Dec 3;538:489-498. Epub 2018 Dec 3.

Department of Chemistry, Arba Minch University, Ethiopia.

Herein, we have explored the conformational alterations of hemoglobin (Hb) in presence of a cleavable gemini surfactant (C16-C4O2-C16). The concerned surfactant was found to induce significant structural perturbations in Hb. UV-vis spectroscopy, steady-state/time-resolved fluorescence, and other utilized techniques have authenticated the complexation of Hb with the gemini surfactant. Read More

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December 2018

Environmentally benign conversion of waste polyethylene terephthalate to fluorescent carbon dots for "on-off-on" sensing of ferric and pyrophosphate ions.

J Colloid Interface Sci 2018 Dec 4;538:481-488. Epub 2018 Dec 4.

School of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China. Electronic address:

The increasing production of waste polyethylene terephthalate (PET) is a growing problem worldwide. Environmentally benign conversion of waste PET to valuable materials remains a substantial challenge. In this paper, we developed a green route to reuse waste PET for low-cost synthesis of fluorescent carbon dots (CDs) via air oxidation followed by hydrothermal treatment in aqueous HO solution. Read More

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December 2018
1 Read

Superior activity of Pd nanoparticles confined in carbon nanotubes for hydrogen production from formic acid decomposition at ambient temperature.

J Colloid Interface Sci 2018 Dec 4;538:474-480. Epub 2018 Dec 4.

College of Chemistry and Environmental Protection Engineering, Southwest Minzu University, Chengdu 610041, Sichuan, China. Electronic address:

Designing highly efficient and low-cost catalysts is essential toward realizing the practical application of hydrogen generation by formic acid decomposition (FAD) under ambient conditions. Herein, we report the synthesis of a hybrid material of Pd nanoparticles encapsulated within carbon nanotubes (CNTs) (Pd-CNTs-in). Transmission electron microscopy images show that most Pd nanoparticles (mean diameter 4. Read More

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December 2018

Insight into photocatalytic activity, universality and mechanism of copper/chlorine surface dual-doped graphitic carbon nitride for degrading various organic pollutants in water.

J Colloid Interface Sci 2018 Dec 3;538:462-473. Epub 2018 Dec 3.

Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China. Electronic address:

It is still a challenging work to realize the universality of photocatalytic materials for unselective removing various organic pollutants in water. Here a surface dual-doped Cu/Cl-g-CN photocatalyst is firstly prepared, which exhibits much more superior photocatalytic performance for degrading multifarious persistent organic pollutants including tetracycline hydrochloride (TC-HCl), o-chlorophenol, bisphenol A and 2-mercaptobenzothiazole in water than pure g-CN. The high-efficiency and unselective photocatalytic degradation performance derives from the surface dual-doped effect of Cu/Cl elements on g-CN, which results in the extended visible light harvest range, elevated CB potential and improved the separation efficiency of charge carriers. Read More

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December 2018

Piezoelectric barium titanate nanostimulators for the treatment of glioblastoma multiforme.

J Colloid Interface Sci 2018 Dec 4;538:449-461. Epub 2018 Dec 4.

Istituto Italiano di Tecnologia, Smart Bio-Interfaces, Viale Rinaldo Piaggio 34, 56025 Pontedera, Italy; Politecnico di Torino, Department of Mechanical and Aerospace Engineering, Corso Duca degli Abruzzi 24, 10129 Torino, Italy. Electronic address:

Major obstacles to the successful treatment of gliolastoma multiforme are mostly related to the acquired resistance to chemotherapy drugs and, after surgery, to the cancer recurrence in correspondence of residual microscopic foci. As innovative anticancer approach, low-intensity electric stimulation represents a physical treatment able to reduce multidrug resistance of cancer and to induce remarkable anti-proliferative effects by interfering with Ca and K homeostasis and by affecting the organization of the mitotic spindles. However, to preserve healthy cells, it is utterly important to direct the electric stimuli only to malignant cells. Read More

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December 2018
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A novel MUC1 aptamer-modified PLGA-epirubicin-PβAE-antimir-21 nanocomplex platform for targeted co-delivery of anticancer agents in vitro and in vivo.

Colloids Surf B Biointerfaces 2018 Dec 4;175:231-238. Epub 2018 Dec 4.

Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Pharmaceutical Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran. Electronic address:

Conventional chemotherapy suffers from several drawbacks, including toxic side effects together with the development of resistance to the chemical agents. Therefore, exploring alternative therapeutic approaches as well as developing targeted delivery systems are in demand. Oligonucleotide-based therapy has emerged as a promising and alternative procedure for treating malignancies involving gene-related diseases. Read More

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December 2018

Synthesizing, characterizing, and toxicity evaluating of Phycocyanin-ZnO nanorod composites: A back to nature approaches.

Colloids Surf B Biointerfaces 2018 Dec 4;175:221-230. Epub 2018 Dec 4.

Division of Industrial & Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), P.O. Box 14155-6343, Tehran, Iran. Electronic address:

C-Phycocyanin pigment was purified from a native cyanobacterial strain using a novel consecutive multi-step procedure and utilized for the first time for the green synthesis of phycocyanin-zinc oxide nanorods (PHY-ZnO NRs) by a simple, low-cost and eco-friendly approach. The PHY-ZnO NRs were characterized using UV-vis spectroscopy, X-ray diffraction (XRD), zeta potential measurement, FTIR, SEM, TEM, differential scanning calorimetry (DSC), thermogravimetric (TGA), and EDX spectroscopy analysis. The UV-vis spectra showed an absorption band at 364 nm which is characteristic of ZnO nanoparticles (ZnONPs). Read More

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December 2018

Protein-Bound Freestanding 2D Metal Film for Stealth Information Transmission.

Adv Mater 2018 Dec 9:e1803377. Epub 2018 Dec 9.

Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China.

The welding and sintering of nanomaterials is usually achieved at high temperatures and high pressures. Here, it is found that merging of metal nanoparticles occurs under ambient conditions in an aqueous solution via protein bonding. It is discovered that the silver nanoparticles from the in situ reduction of silver ammonium ions by glucose undergo confined nucleation and growth and are bound by ultrathin amyloid-like β-sheet stacking of lysozyme. Read More

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December 2018
2 Reads

Effects of crystalloids and colloids on microcirculation, central venous oxygen saturation, and central venous-to-arterial carbon dioxide gap in a rabbit model of hemorrhagic shock.

J Anesth 2018 Dec 10. Epub 2018 Dec 10.

Department of Cardiovascular Surgery, Tokyo Women's Medical University, 8-1, Kawadacho Shinjuku-ku, Tokyo, 162-8666, Japan.

Objective: The effects of hydroxyethyl starch (HES) on microcirculation, central venous oxygen saturation (ScvO), and the central venous-to-arterial carbon dioxide gap (dCO) are studied in a rabbit model of hemorrhagic shock for elucidating the advantages and drawbacks of resuscitation with HES compared with crystalloids.

Methods: An ear chamber and sublingual mucosa were used to examine blood vessels by intravital microscopy. Hemorrhagic shock was induced by removing nearly half of the blood volume. Read More

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December 2018

Analysis of bone osteometry, mineralization, mechanical and histomorphometrical properties of tibiotarsus in broiler chickens demonstrates a influence of dietary chickpea seeds (Cicer arietinum L.) inclusion as a primary protein source.

PLoS One 2018 11;13(12):e0208921. Epub 2018 Dec 11.

Department of Animal Physiology, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, Lublin, Poland.

This study was focused on analyzing the effects of dietary inclusion of raw chickpea seed as a replacement of soybean meal as a primary protein source on bone structure in broiler chickens. Broiler chickens (n = 160) received in their diet either soybean meal (SBM) or raw chickpea seeds (CPS) as a primary protein source throughout the whole rearing period (n = 80 in each group). On the 42th day randomly selected chickens from each group (n = 8) were slaughtered. Read More

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December 2018

Regulation of phosphorus bioavailability by iron nanoparticles in a monomictic lake.

Sci Rep 2018 Dec 10;8(1):17736. Epub 2018 Dec 10.

Australian Rivers Institute, Griffith University, Griffith, Australia.

Dissolved reactive phosphorous (DRP) in lake systems is conventionally considered to predominate over other dissolved P species, however, this view neglects an important set of interactions that occurs between P and reactive iron hydroxide surfaces. This study addresses the coupling of P with dispersed iron nanoparticles in lakes, an interaction that may fundamentally alter the bioavailability of P to phytoplankton. We used diffusive gradients in thin films (DGT) and ultrafiltration to study Fe-P coupling in the water column of a monomictic lake over a hydrological year. Read More

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December 2018

Pseudomyxoma Peritonei After a Total Pancreatectomy for Intraductal Papillary Mucinous Neoplasm With Colloid Carcinoma in Lynch Syndrome.

Pancreas 2019 Jan;48(1):135-138

Radiology, St Antonius Hospital, Nieuwegein, the Netherlands.

We report a case of pseudomyxoma peritonei (PMP) arising in a 62-year-old male patient with Lynch syndrome (LS). The patient's medical history included an adenocarcinoma of the colon for which a right hemicolectomy was performed and a pancreatectomy due to an intraductal papillary mucinous neoplasm (IPMN) with invasive colloid carcinoma. It was considered that the PMP could be a metastasis of the earlier colonic or pancreatic carcinoma. Read More

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January 2019

Improving vaccines against using synthetic glycans.

Proc Natl Acad Sci U S A 2018 Dec 7. Epub 2018 Dec 7.

Department of Biomolecular Systems, Max-Planck Institute of Colloids and Interfaces, 14476 Potsdam, Germany;

remains a deadly disease in small children and the elderly even though conjugate and polysaccharide vaccines based on isolated capsular polysaccharides (CPS) are successful. The most common serotypes that cause infection are used in vaccines around the world, but differences in geographic and demographic serotype distribution compromises protection by leading vaccines. The medicinal chemistry approach to glycoconjugate vaccine development has helped to improve the stability and immunogenicity of synthetic vaccine candidates for several serotypes leading to the induction of higher levels of specific protective antibodies. Read More

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December 2018
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DNA nanostructures doped with lanthanide ions for highly sensitive UV photodetectors.

Colloids Surf B Biointerfaces 2018 Dec 1;175:212-220. Epub 2018 Dec 1.

Sungkyunkwan Advanced Institute of Nanotechnology (SAINT) and Department of Physics, Sungkyunkwan University, Suwon, 16419, Republic of Korea. Electronic address:

Deoxyribonucleic acid (DNA) and lanthanide ions (Ln) exhibit exceptional optical properties that are applicable to the development of nanoscale devices and sensors. Although DNA nanostructures and Ln ions have been investigated for use in the current state of technology for more than a few decades, researchers have yet to develop DNA and Ln based ultra-violet (UV) photodetectors. Here, we fabricate Ln (such as holmium (Ho), praseodymium (Pr), and ytterbium (Yb))‒doped double crossover (DX)‒DNA lattices through substrate-assisted growth and salmon DNA (SDNA) thin films via a simple drop-casting method on oxygen (O) plasma-treated substrates for high performance UV photodetectors. Read More

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December 2018

Basic principles of drug delivery systems - the case of paclitaxel.

Adv Colloid Interface Sci 2018 Nov 17;263:95-130. Epub 2018 Nov 17.

The Institute of Chemistry, The Hebrew University of Jerusalem, Edmond J. Safra Campus, Givat Ram, Jerusalem 9190401, Israel.

Cancer is the second cause of death worldwide, exceeded only by cardiovascular diseases. The prevalent treatment currently used against metastatic cancer is chemotherapy. Among the most studied drugs that inhibit neoplastic cells from acquiring unlimited replicative ability (a hallmark of cancer) are the taxanes. Read More

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November 2018

Pharmaceutical applications of chitosan.

Adv Colloid Interface Sci 2018 Nov 30;263:131-194. Epub 2018 Nov 30.

Department of Chemistry, Amirkabir University of Technology (Tehran Polytechnic), P.O.Box: 15875-4413, Tehran, Iran. Electronic address:

Chitosan (CS) is a linear polysaccharide which is achieved by deacetylation of chitin, which is the second most plentiful compound in nature, after cellulose. It is a linear copolymer of β-(1 → 4)-linked 2-acetamido-2-deoxy-β-d-glucopyranose and 2-amino-2-deoxy-β-d-glucopyranose. It has appreciated properties such as biocompatibility, biodegradability, hydrophilicity, nontoxicity, high bioavailability, simplicity of modification, favorable permselectivity of water, outstanding chemical resistance, capability to form films, gels, nanoparticles, microparticles and beads as well as affinity to metals, proteins and dyes. Read More

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November 2018
7.776 Impact Factor

Co-Al nanosheets derived from LDHs and their catalytic performance for syngas conversion.

J Colloid Interface Sci 2018 Dec 3;538:440-448. Epub 2018 Dec 3.

College of Chemical Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China.

Layered double hydroxides (LDHs) were innovatively employed in this study as catalyst for synthesis gas conversion to chemicals, such as oxygenates. Cobalt-aluminium layered double hydroxides (Co-Al LDHs) was prepared at different temperatures. and lactate was successfully intercalated into the LDHs by ion-exchange method and then the material was further delaminated in water at ambient temperature. Read More

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December 2018

Carboxylated nanocellulose foams as superabsorbents.

J Colloid Interface Sci 2018 Dec 1;538:433-439. Epub 2018 Dec 1.

Bioresource Processing Research Institute of Australia (BioPRIA), Department of Chemical Engineering, Monash University, VIC 3800, Australia. Electronic address:

Hypothesis: Carboxylated nanocellulose fibres formed into foam structures can demonstrate superabsorption capacity. Their performance can be engineered by changing process variables.

Experiments: TEMPO-oxidised cellulose nanofibres of varying concentration and surface charge are produced from hardwood kraft pulp. Read More

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December 2018

Enhanced efficiency and stability of perovskite solar cells using polymer-coated bilayer zinc oxide nanocrystals as the multifunctional electron-transporting layer.

J Colloid Interface Sci 2018 Dec 3;538:426-432. Epub 2018 Dec 3.

School of Chemical and Materials Engineering, National University of Sciences and Technology NUST, H-12, Islamabad, Pakistan.

A novel polymer-coated ZnO based bilayer electron transporting material is investigated for highly efficiency perovskite solar cells. The bilayer ETM consisting of an upper-layer of ZnO nanosheets and a lower-layer of ZnO nanoparticles demonstrates the averaged power conversion efficiency of 13.11% and a maximum power conversion efficiency of 15. Read More

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December 2018

3D Channel-structured graphene as efficient electrodes for capacitive deionization.

J Colloid Interface Sci 2018 Nov 28;538:420-425. Epub 2018 Nov 28.

Department of Materials Science and Engineering, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931-1295, USA. Electronic address:

Capacitive deionization (CDI), which is one of up-and-coming water treatment technologies, is based on ion electrostatic adsorption on electrode surface. Herein, three-dimensional channel-structured graphene (CSG), which was synthesized via exothermic reaction between liquid potassium and carbon monoxide gas, was demonstrated as an efficient electrode material for CDI. Namely, the CSG electrode exhibited a specific capacity of 207. Read More

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November 2018
1 Read

Effects of oxidation on the physicochemical properties of polyunsaturated lipid membranes.

J Colloid Interface Sci 2018 Dec 3;538:404-419. Epub 2018 Dec 3.

Department of Pharmacy, University of Copenhagen, DK-2100 Copenhagen, Denmark; Department of Pharmacy, University of Uppsala, SE-75123 Uppsala, Sweden. Electronic address:

The exposure of biological membranes to reactive oxygen species (ROS) plays an important role in many pathological conditions such as inflammation, infection, or sepsis. ROS also modulate signaling processes and produce markers for damaged tissue. Lipid peroxidation, mainly affecting polyunsaturated phospholipids, results in a complex mixture of oxidized products, which may dramatically alter membrane properties. Read More

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December 2018
1 Read

Development of Ca-based, ion-responsive superabsorbent hydrogel for cement applications: Self-healing and compressive strength.

J Colloid Interface Sci 2018 Dec 3;538:397-403. Epub 2018 Dec 3.

Department of Polymer Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China.

Superabsorbent polymers (SAPs) are broadly applied in cement and concrete. However, the increased macrovoids resulting from the absorption/desorption of SAPs, remarkably reduced the resulting mechanical properties. In this study, we prepared superabsorbent CaAlg hydrogels by crosslinking Ca and sodium alginate (NaAlg). Read More

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December 2018

Interfacial uploading of luminescent hexamolybdenum cluster units onto amino-decorated silica nanoparticles as new design of nanomaterial for cellular imaging and photodynamic therapy.

J Colloid Interface Sci 2018 Dec 4;538:387-396. Epub 2018 Dec 4.

Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of RAS, Arbuzov str., 8, 420088 Kazan, Russia.

The present work introduces a facile synthetic route to embed phosphorescent K[{MoI}I] and (nBuN)[{MoI}(CHCOO)] clusters (C) onto silica-water interface of amino-decorated silica nanoparticles (SNs, 60 ± 6 nm). The assembled C-SNs gain in the luminescence intensity, which remains stable within three months after their assembly. High uptake capacity of the clusters (8700 of K[{MoI}I] and 6500 of (nBuN)[{MoI}(CHCOO)] per the each nanoparticle) derives from ionic self-assembly and coordination bonds between the cluster complexes and ionic (amino- and siloxy-) groups at the silica surface. Read More

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December 2018

Construction of core-shell mesoporous carbon nanofiber@nickel cobaltite nanostructures as highly efficient catalysts towards 4-nitrophenol reduction.

J Colloid Interface Sci 2018 Dec 3;538:377-386. Epub 2018 Dec 3.

State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Changping, Beijing 102249, China. Electronic address:

We herein report small sized nickel cobaltite (NiCoO) nanosheets (103-144 nm × 71-97 nm) firmly coated on mesoporous carbon nanofibers (MCNFs), as active and stable catalysts for degradation of 4-nitrophenol in sewage with NaBH as the reductant. MCNFs with surface O-functionalities were first constructed by morphology-conserved transformation of zinc-trimesic acid fibers, which provide scaffolds to anchor trisodium citrate-induced Ni-Co hydroxide nanosheets. Upon calcination, the resultant core-shell MCNF@NiCoO nanostructures were fabricated and characterized by SEM, TEM, X-ray diffraction, Raman spectroscopy, thermogravimetric analysis (TGA), X-ray photoelectron spectroscopy (XPS) and N adsorption/desorption techniques. Read More

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December 2018

First-principles modeling of water permeation through periodically porous graphene derivatives.

J Colloid Interface Sci 2018 Nov 29;538:367-376. Epub 2018 Nov 29.

Department of Physics and Astronomy, Sejong University, Seoul 143-747, South Korea; Graphene Research Institute, Sejong University, Seoul 143-747, South Korea. Electronic address:

Polyphenylene superhoneycomb network (PSN) and covalent triazine framework (CTF) are experimentally realized periodically porous graphene derivatives. Such ultrathin layers with homogeneously distributed pores of controllable sizes are highly desirable for applications in molecular separations such as water purification. The permeation energy barrier is expected to be a function of not only the pore size, but also the specific permeation trajectory as determined by hydrogen bonding interactions at the water-pore interface. Read More

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November 2018

Rheo-SANS study on relationship between micellar structures and rheological behavior of cationic gemini surfactants in solution.

J Colloid Interface Sci 2018 Nov 28;538:357-366. Epub 2018 Nov 28.

Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba 277-8581, Japan. Electronic address:

Hypothesis: Gemini surfactant 12-2-12 (dimethylene-1,2-bis(dodecyl dimethylammonium bromide)) solutions are known to show shear thickening and thinning under salt-free conditions. Because the rheological behavior of the wormlike micelles formed by 12-2-12 in solution is related to their structure, we expected that changes to the precursor structure would affect their rheological behaviors. It is also important to understand the effect of the introduction of a spacer group in the 12-2-12 molecules on the rheological behavior and structure of the wormlike micelles under shear flow. Read More

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November 2018

One-pot synthesis of highly branched Pt@Ag core-shell nanoparticles as a recyclable catalyst with dramatically boosting the catalytic performance for 4-nitrophenol reduction.

J Colloid Interface Sci 2018 Dec 1;538:349-356. Epub 2018 Dec 1.

Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China. Electronic address:

Herein, highly branched Pt@Ag core-shell nanoparticles (Pt@Ag NPs) were fabricated by a facile one-pot wet-chemical approach, where poly(ethyleneimine) (PEI) served as structure-directing and capping agents. Their structure, morphology and composition were mainly characterized by a set of techniques. And their growth mechanism was discussed in some detail. Read More

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December 2018

Penetration dynamics through nanometer-scale hydrophilic capillaries: Beyond Washburn's equation and extended menisci.

J Colloid Interface Sci 2018 Dec 3;538:340-348. Epub 2018 Dec 3.

Department of Chemical Engineering, National Taiwan University, Taipei 106, Taiwan. Electronic address:

Hypothesis: Recently, the naoncapillary devices with the channel width about 2-3 water molecules have been fabricated. Water transport through these nanoslits showed unexpectedly fast flow, revealing the failure of Washburn's equation.

Experiments: Liquid penetration into a nanocapillary made of two parallel walls is explored by many-body dissipative particle dynamics. Read More

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December 2018

Unraveling the intrinsic enhancement of fluorine doping in the dual-doped magnetic carbon adsorbent for the environmental remediation.

J Colloid Interface Sci 2018 Dec 3;538:327-339. Epub 2018 Dec 3.

School of Chemistry and Chemical Engineering, Guangdong Provincial Key Lab of Green Chemical Product Technology, South China University of Technology, Guangzhou, Guangdong 510640, China; Guangzhou Key Laboratory for New Energy and Green Catalysis, School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, China. Electronic address:

Heteroatom doping endows magnetic carbons with unique electronic features and rich surface chemistry, significantly enhancing their adsorption performances for the environmental remediation. In this work, fluorine and nitrogen co-doped magnetic nanocarbon fibers (FN-MCFs) were prepared via a facile carbonization method combined with electrospinning procedure. FN-MCFs were used as adsorbents for Cr(VI) removal, displaying a remarkable activity with as high as 153. Read More

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December 2018

Restraining fluoride loss from NaYF:Yb,Er upconverting nanoparticles in aqueous environments using crosslinked poly(acrylic acid)/poly(allylamine hydrochloride) multilayers.

J Colloid Interface Sci 2018 Nov 26;538:320-326. Epub 2018 Nov 26.

University of Turku, Department of Chemistry, FI-20014 Turku, Finland; Turku University Centre for Materials and Surfaces (MatSurf), Turku, Finland.

The use of upconverting nanoparticles in various applications in aqueous media relies on their surface modifications as most synthesis routes yield hydrophobic particles. However, introducing upconverting nanoparticles in aqueous solutions commonly results in the quenching of their luminescence intensity and in the worst case, disintegration of the nanoparticles. We demonstrate the use of poly(acrylic acid) and poly(allylamine hydrochloride) as a protecting layer-by-layer coating for the upconverting NaYF:Yb,Er nanoparticles. Read More

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November 2018
1 Read

Low-cost, high-performance supercapacitor based on activated carbon electrode materials derived from baobab fruit shells.

J Colloid Interface Sci 2018 Nov 28;538:308-319. Epub 2018 Nov 28.

Institute of Nano-Science and Nano-Technology, College of Physical Science and Technology, Central China Normal University, Wuhan 430079, PR China. Electronic address:

Due to an effective synthesis strategy, two kinds of hierarchical porous activated carbons were derived via KOH and HPO activation and carbonization processes from baobab fruit shells (BFSs) used as a green and low-cost biomass precursor. The physicochemical properties and the morphological structure of the baobab fruit shell derived carbons (BFSCs) were systematically studied by scanning electron microscopy (SEM), X-ray diffraction (XRD), Raman spectra, nitrogen adsorption/desorption isotherms and X-ray photoelectron spectroscopy (XPS) techniques. The biomass-derived activated carbons, BFSC1 (using KOH activation), and BFSC2 (using HPO activation), obtained exhibit high specific capacitances of 233. Read More

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November 2018

Designing of fatty acid-surfactant conjugate based nanomicelles of morin hydrate for simultaneously enhancing anticancer activity and oral bioavailability.

Colloids Surf B Biointerfaces 2018 Nov 28;175:202-211. Epub 2018 Nov 28.

School of Nano Sciences, Central University of Gujarat, Gandhinagar, 382030, Gujarat, India. Electronic address:

Morin hydrate (MH) is a naturally occurring polyphenolic flavonol compound. It has been recently investigated for its many biological activities such as anti-inflammatory, anticancer, antioxidant, antiarthritic, antifertility, antiplasmodic and anticancer. Though these outcomes are very promising, its low aqueous solubility and oral bioavailability restrict its clinical uses. Read More

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November 2018

Quantitative evaluation of different fractions of extracellular polymeric substances derived from Paenibacillus mucilaginosus against the toxicity of gold ions.

Colloids Surf B Biointerfaces 2018 Nov 28;175:195-201. Epub 2018 Nov 28.

College of Life Sciences, Nanjing Normal University, No.1, WenYuan Road, QiXia District, Nanjing, Jiangsu Province, 210023, China. Electronic address:

The reductive detoxification of microbes is of significant importance as toxic high oxidation-state metals are ubiquitous in the environment. As a protective interface, extracellular polymeric substances (EPS) are known to play an important role in reducing the toxicity, the relative contribution of different EPS fractions in the process of microbial reductive detoxification remains not to be understood. In this study, we used toxic gold ions (Au) and EPS fractions from Paenibacillus mucilaginosus as an example to quantitatively assess the relative contribution of different EPS fractions in the process of the reductive detoxification. Read More

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November 2018

Insight into the mechanism and factors on encapsulating basic model protein, lysozyme, into heparin doped CaCO.

Colloids Surf B Biointerfaces 2018 Nov 29;175:184-194. Epub 2018 Nov 29.

School of Ophthalmology and Optometry, Eye Hospital, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, Zhejiang Province, 325035, PR China; Wenzhou Institute of Biomaterials and Engineering, CNITECH, CAS, Wenzhou, Zhejiang Province, 325001, PR China; Engineering Research Center of Clinical Functional Materials and Diagnosis&Treatment Devices of Zhejiang Province, Wenzhou Institute of Biomaterials and Engineering, CAS, Wenzhou, Zhejiang Province, 325001, PR China. Electronic address:

Porous CaCO microparticles are considered as one of the most popular and effective carriers for protein loading. Most of current studies have centered on elucidating particle formation and enhancing the protein loading efficiency, very few reports on the kinetics, driving forces and factors on protein loading process. Here, we took lysozyme as the basic model protein to investigate the kinetics, driving forces on protein loading and factors controlling loading efficiency into porous Hep/CaCO microparticles by various techniques (protein quantification assay, QCM-D, SEM, BET, Zeta sizer, TGA, CLSM, CD spectrum, bioactive assay). Read More

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November 2018

A carefully designed nanoplatform based on multi walled carbon nanotube wrapped with aptamers.

Colloids Surf B Biointerfaces 2018 Nov 27;175:175-183. Epub 2018 Nov 27.

Centro de Desenvolvimento da Tecnologia Nuclear, 31270-901 Belo Horizonte, MG, Brazil. Electronic address:

The interaction between carbon nanotubes (CNTs) and biological molecules of diagnostic and therapeutic interest, as well as the internalization of the CNTs-biomolecules complexes in different types of cell, has been extensively studied due to the potential use of these nanocomplexes as multifunctional nanoplatforms in a great variety of biomedical applications. The effective use of these nanobiotechnologies requires broad multidisciplinary studies of biocompatibility, regarding, for example, the in vitro and in vivo nanotoxicological assays, the capacity to target specific cells and the evaluation of their biomedical potential. However, the first step to be reached is the careful obtainment of the nanoplatform and the understanding of the actual surface composition and structural integrity of the complex system. Read More

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November 2018
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Clotrimazole multiple W/O/W emulsion as anticandidal agent: Characterization and evaluation on skin and mucosae.

Colloids Surf B Biointerfaces 2018 Nov 29;175:166-174. Epub 2018 Nov 29.

Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Granada, University Campus of Cartuja, 18071 Granada, Spain; Nanoscience and Nanotechnology Institute (IN2UB), University of Barcelona, 645 Diagonal Ave., 08028 Barcelona, Spain. Electronic address:

Clotrimazole (CLT) was formulated in a multiple W/O/W emulsion (ME) with the aim of evaluating its potential as topical anticandidal agent and comparing with marketed products. A previously evaluated CLT-ME was selected and physicochemically characterized. The in vitro release behavior and the ex vivo permeation profiles were assessed using Franz diffusion cells using three different types of biological membranes: human skin and porcine buccal, sublingual and vaginal mucosae. Read More

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November 2018

Study on MgSr(PO) bioceramics as potential bone grafts.

Colloids Surf B Biointerfaces 2018 Nov 30;175:158-165. Epub 2018 Nov 30.

School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, People's Republic of China. Electronic address:

Magnesium (Mg) and strontium (Sr), which are essential nutrient elements in the natural bone, positively affect the osteogenic activity even in wide ranges of ion concentrations. However, it remains unknown whether magnesium-strontium phosphates [MgSr(PO)] are potential bone grafts for accelerating bone regeneration. Herein, a serial of MgSr(PO), including Mg(PO), MgSr(PO), MgSr(PO), MgSr(PO) and Sr(PO), were synthesized using a solid-state reaction approach. Read More

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November 2018

Topical gel of Metformin solid lipid nanoparticles: A hopeful promise as a dermal delivery system.

Colloids Surf B Biointerfaces 2018 Nov 28;175:150-157. Epub 2018 Nov 28.

Pharmaceutics Research Laboratory, School of Life Sciences, University of Sussex, Brighton, BN1 9QJ, UK; Drug Applied Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran. Electronic address:

The aim of the present study was to enhance the skin delivery of metformin by making solid lipid nanoparticles containing metformin using the ultra-sonication method. To achieve the optimum skin delivery for metformin, the effects of the ratio of two surfactants (Tween:Span) on nanoparticles properties and their performance were investigated. Photon correlation spectroscopy, scanning electron microscopy (SEM), Powder X-ray Diffractometer (PXRD), Fourier transform infrared spectroscopy (FTIR) and differential scanning calorimetry (DSC) were used to characterize the solid state of metformin in solid lipid nanoparticles. Read More

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November 2018

Enhanced oral bioavailability and brain uptake of Darunavir using lipid nanoemulsion formulation.

Colloids Surf B Biointerfaces 2018 Nov 22;175:143-149. Epub 2018 Nov 22.

Faculty of Pharmacy, The M.S. University of Baroda, Vadodara, 390002, Gujarat, India. Electronic address:

The present work aimed to formulate Darunavir loaded lipid nanoemulsion to increase its oral bioavailability and enhance brain uptake. Various batches of lipid nanoemulsion of Darunavir were prepared by high pressure homogenization using soya bean oil, egg lecithin and Tween 80. The optimized batch DNE-3 had globule size of 109. Read More

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November 2018

Synthesizing nickel-based transition bimetallic oxide via nickel precursor-free hydrothermal synthesis for battery supercapacitor hybrid devices.

J Colloid Interface Sci 2018 Nov 30;538:297-307. Epub 2018 Nov 30.

Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, 1 Sec. 3, Zhongxiao E. Rd., Taipei 10608, Taiwan; Research Center of Energy Conservation for New Generation of Residential, Commercial, and Industrial Sectors, 1 Sec. 3, Zhongxiao E. Rd., Taipei 10608, Taiwan. Electronic address:

The Ni foam can act as the nickel ion source and the current collector for synthesizing Ni-based compounds using the hydrothermal synthesis especially in the acid condition. Using Ni foam as the Ni source can grow materials on the substrate directly and uniformly since nickel ions are released from substrate thoroughly. Nickel-based bimetallic oxides are intensively investigated as battery-type materials for battery supercapacitor hybrid devices (BSHD) because of high electrical conductivities and abundant transition states for inducing multiple redox reactions. Read More

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November 2018
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Synthesis of methotrexate-loaded tantalum pentoxide-poly(acrylic acid) nanoparticles for controlled drug release applications.

J Colloid Interface Sci 2018 Nov 26;538:286-296. Epub 2018 Nov 26.

Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials, University of Wollongong, NSW 2522, Australia; Illawarra Health and Medical Research Institute, University of Wollongong, NSW 2522, Australia. Electronic address:

Over the past decade, there has been increasing interest in the use of multifunctional nanoparticles (NPs) for cancer treatment. Of importance are systems that can deliver drugs at a sustained rate to target cancer cells, which can result in higher efficiency and reduced systemic toxicity. In this study, we present the route for the synthesis of tantalum pentoxide (TaO) NPs with a particle size of 27 nm that were individually coated with poly(acrylic acid) (PAA) with a different layer thickness of 2-8 nm by in-situ polymerization of the acrylic acid monomer. Read More

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November 2018

Alcohol dehydrogenase on inorganic powders: Zeta potential and particle agglomeration as main factors determining activity during immobilization.

Colloids Surf B Biointerfaces 2018 Nov 29;175:136-142. Epub 2018 Nov 29.

Technical University of Denmark, DTU Chemical Engineering, Søltofts Plads, Building 229, 2800 Kgs, Lyngby, Denmark. Electronic address:

Alcohol dehydrogenase from Saccharomyces cerevisiae was immobilized on different inorganic support materials, i.e. powders of AlO, SiC, TiO and YSZ-8, by covalent bonding and physical adsorption. Read More

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November 2018

Co-delivery of paclitaxel and doxorubicin using mixed micelles based on the redox sensitive prodrugs.

Colloids Surf B Biointerfaces 2018 Dec 1;175:126-135. Epub 2018 Dec 1.

Department of Pharmaceutics, School of Pharmaceutical Sciences, Shandong University, Jinan, Shandong Province, 250012, China. Electronic address:

A strategy of preparing mixed micelles containing both DOX prodrug and PTX prodrug was developed, i.e., synthesizing a DOX conjugate and a PTX conjugate started with the same biocompatible amphiphilic copolymer, TPGS and DTDPA, a linker containing disulfide bond. Read More

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December 2018