keyword
MENU ▼
Read by QxMD icon Read
search

Colloid therapy

keyword
https://www.readbyqxmd.com/read/28933805/perioperative-administration-of-buffered-versus-non-buffered-crystalloid-intravenous-fluid-to-improve-outcomes-following-adult-surgical-procedures
#1
REVIEW
Sohail Bampoe, Peter M Odor, Ahilanandan Dushianthan, Elliott Bennett-Guerrero, Suzie Cro, Tong J Gan, Michael Pw Grocott, Michael Fm James, Michael G Mythen, Catherine Mn O'Malley, Anthony M Roche, Kathy Rowan, Edward Burdett
BACKGROUND: Perioperative fluid strategies influence clinical outcomes following major surgery. Many intravenous fluid preparations are based on simple solutions, such as normal saline, that feature an electrolyte composition that differs from that of physiological plasma. Buffered fluids have a theoretical advantage of containing a substrate that acts to maintain the body's acid-base status - typically a bicarbonate or a bicarbonate precursor such as maleate, gluconate, lactate, or acetate...
September 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28929101/current-trends-in-volume-replacement-therapy-and-the-use-of-synthetic-colloids-in-small-animals-an-internet-based-survey-2016
#2
Ivayla D Yozova, Judith Howard, Nadja E Sigrist, Katja-Nicole Adamik
The use of synthetic colloids (SCs), particularly hydroxyethyl starch (HES), in people has changed in recent years following new evidence raising concerns about their efficacy and safety. Although fluid therapy guidelines for small animals are often extrapolated from human medicine, little information exists on current practice in veterinary medicine. The objective of the present study was to investigate current fluid selection, use of plasma volume expanders including SCs, and recent changes in their use in small animal practice...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28923716/investigation-of-the-effect-of-pomegranate-extract-and-monodisperse-silver-nanoparticle-combination-on-mcf-7-cell-line
#3
Birgütay Şahin, Enes Demir, Ayşenur Aygün, Hülya Gündüz, Fatih Şen
In this study, we aimed to investigate whether the combination therapy of pomegranate extract and silver nanoparticle is effective on MCF-7 cell culture. The pomegranate extract was mixed and incubated with silver nitrate for the microwave assisted green synthesized of silver nanoparticle. Obtained nanoparticles were investigated using X-ray diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), UV-visible, Field Emission Scanning Electron Microscopy (FESEM), and Transmission Electron Microscopy (TEM) methods The spectroscopic and morphological studies of the monodisperse Ag NPs which have particle size of 15...
September 15, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28884212/routine-sildenafil-does-not-improve-clinical-outcomes-after-fontan-operation
#4
J Leslie Gaddis Collins, Mark A Law, Santiago Borasino, W Clinton Erwin, David C Cleveland, Jeffrey A Alten
Fontan operation can be complicated by persistent chest tube output (CTO) leading to prolonged hospital length of stay (LOS). Postoperative sildenafil administration has been shown to improve clinical outcomes in selected patients after Fontan. We initiated a practice change utilizing intravenous (IV) sildenafil in early postoperative period in all patients undergoing Fontan operation with aim to decrease LOS and CTO. Nineteen patients (February 2014-May 2016) received 0.35 mg/kg sildenafil IV (three doses) followed by enteral, 1 mg/kg every eight hours until hospital discharge...
September 7, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28866195/polyglycerol-mediated-covalent-construction-of-magnetic-mesoporous-silica-nanohybrid-with-aqueous-dispersibility-for-drug-delivery
#5
Xiaoxin Yang, Yu Wen, Anqing Wu, Meiyun Xu, Tsukuru Amano, Luyi Zheng, Li Zhao
Construction of nanohybrids with chemical and colloidal stability is of great importance for the exploration of their potential applications in biomedical field. In this work, a versatile strategy based on polyglycerol (PG) mediated covalent linkage is developed to fabricate a core-satellite nanohybrid, termed MMSN, consisting of a mesoporous silica nanoparticle (MSN) as a core and many superparamagnetic iron oxide nanoparticles (SPION) on the outer surface. In this synthetic strategy, the PG grafted SPION is derivatized to convert partial periphery hydroxyl groups to carboxyl moieties, followed by attachment to aminated MSN through amide bonds...
November 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28855088/drug-nanocarriers-to-treat-autoimmunity-and-chronic-inflammatory-diseases
#6
REVIEW
Davide Prosperi, Miriam Colombo, Ivan Zanoni, Francesca Granucci
Nanoparticles represent a new generation of drug delivery systems that can be engineered to harness optimal target selectivity for specific cells and tissues and high drug loading capacity, allowing for improved pharmacokinetics and enhanced bioavailability of therapeutics. The spontaneous propensity of both organic and colloidal nanoparticles to be captured by the cells of the reticuloendothelial system encouraged their utilization as passive targeting systems that can be preferentially directed to innate immune cells, such as macrophages, dendritic cells and neutrophils...
August 28, 2017: Seminars in Immunology
https://www.readbyqxmd.com/read/28841991/synthesis-of-permeable-yolk-shell-structured-gadolinium-doped-quantum-dots-as-a-potential-nanoscale-multimodal-visible-delivery-system
#7
Mei-Ling Chen, Shu-Chao Pang, Xue-Min Chen, Yi-Zhang, Lei Li
Developing a nanoscale drug delivery system with magnetic resonance imaging (MRI)/fluorescence imaging (FL) visibility to optimize the delivery efficiency and therapeutic efficacy under image guidance has attracted great attentions in the area of nanomedicine. Herein, a novel permeable yolk-shell structured gadolinium-doped quantum dots nanocomposite was synthesized as a theranostic nanocarrier via an indirectly doping method. The as-prepared permeable nanoparticles with tunable color fluorescent emission, paramagnetic and accessible mesoporous channels could be developed as a novel nanomedical platform for integrated multimodal diagnosis and therapy...
December 1, 2017: Talanta
https://www.readbyqxmd.com/read/28841479/enhancing-the-colloidal-stability-and-surface-functionality-of-molybdenum-disulfide-mos2-nanosheets-with-hyperbranched-polyglycerol-for-photothermal-therapy
#8
Bo Huang, Dali Wang, Guan Wang, Faai Zhang, Li Zhou
Molybdenum disulfide (MoS2) nanosheets are gaining increasing attention due to their attractive properties and myriads of potential applications. However, challenges in the enhancement of their colloidal stability and surface functionality still remain and significantly restrict their practical applications. Herein, we present a viable approach to functionalize MoS2 nanosheets with multihydroxy hyperbranched polyglycerol (HPG) shell by surface-initiated ring-opening polymerization technique. The grafting of HPG from the surface of MoS2 nanosheet yielded MoS2-g-HPG nanohybrid with excellent water dispersibility, good biocompatibility, and greatly enhanced colloidal stability against pH change, ionic strength variation and long-term storage...
August 19, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28829474/polyaniline-loaded-%C3%AE-polyglutamic-acid-nanogels-as-a-platform-for-photoacoustic-imaging-guided-tumor-photothermal-therapy
#9
Yiwei Zhou, Yong Hu, Wenjie Sun, Benqing Zhou, Jianzhi Zhu, Chen Peng, Mingwu Shen, Xiangyang Shi
We report the facile synthesis of polyaniline (PANI)-loaded γ-polyglutamic acid (γ-PGA) nanogels (NGs) for photoacoustic (PA) imaging-guided photothermal therapy (PTT) of tumors. In this work, γ-PGA NGs were first formed via a double emulsion approach, followed by crosslinking with cystamine dihydrochloride (Cys) via 1-ethyl-3-[3-dimethylaminopropyl]carbodiimide hydrochloride coupling chemistry. The formed γ-PGA/Cys NGs were employed as a nanoreactor to load aniline monomers via an electrostatic interaction for subsequent in situ polymerization in the presence of ammonium persulfate...
August 31, 2017: Nanoscale
https://www.readbyqxmd.com/read/28815602/efficacy-and-safety-of-amphotericin-b-formulations-a-network-meta-analysis-and-a-multicriteria-decision-analysis
#10
Fernanda S Tonin, Laiza M Steimbach, Helena H Borba, Andreia C Sanches, Astrid Wiens, Roberto Pontarolo, Fernando Fernandez-Llimos
OBJECTIVES: Despite its broad spectrum, conventional amphotericin B (AB) is associated with serious adverse events. Lipid-based formulations may offer safer options. We aimed to synthesize the evidence of efficacy and safety of AB formulations. METHODS: We performed a systematic review and network meta-analysis (NMA) to compare all available formulations: conventional AB; lipid complex or ABLC; colloidal dispersion or ABCD; liposomal or LAB; AB in Intralipid. Randomized controlled trials were searched in four databases...
August 17, 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28814247/fluid-and-medication-considerations-in-the-traumatized-patient
#11
Amita Misir
This article reviews fluid therapy and medications in pediatric trauma. For resuscitation in the setting of hemorrhagic shock, isotonic crystalloid solution is the first-line agent of choice. Colloid solutions offer no additional benefit, introduce possible increased risks and cost more than crystalloids. Blood products, starting with pRBCs, should be introduced after 20-40 ml/kg of crystalloid has been administered if there is ongoing need for volume replacement. The use of a massive transfusion protocol of 1:1:1 (if >30 kg) or 30:20:20 (if <30 kg) of pRBCs:FFP:platelets is suggested after an initial 30 ml/kg of pRBcs have been administered...
August 14, 2017: Current Pediatric Reviews
https://www.readbyqxmd.com/read/28806065/synthesis-characterization-and-selective-delivery-of-darpin-gold-nanoparticle-conjugates-to-cancer-cells
#12
Sergey Deyev, Galina Proshkina, Anastasiya Ryabova, Francesco Tavanti, Maria Cristina Menziani, Gennady Eidelshtein, Gavriel Avishai, Alexander Kotlyar
We demonstrate that the designed ankyrin repeat protein (DARPin)_9-29, which specifically targets human epidermal growth factor receptor 2 (HER 2), binds tightly to gold nanoparticles (GNPs). Binding of the protein strongly increases the colloidal stability of the particles. The results of experimental analysis and molecular dynamics simulations show that approximately 35 DARPin_9-29 molecules are bound to the surface of a 5 nm GNP and that the binding does not involve the receptor-binding domain of the protein...
August 22, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/28794624/nanostructured-delivery-systems-with-improved-leishmanicidal-activity-a-critical-review
#13
REVIEW
Natascia Bruni, Barbara Stella, Leonardo Giraudo, Carlo Della Pepa, Daniela Gastaldi, Franco Dosio
Leishmaniasis is a vector-borne zoonotic disease caused by protozoan parasites of the genus Leishmania, which are responsible for numerous clinical manifestations, such as cutaneous, visceral, and mucocutaneous leishmaniasis, depending on the site of infection for particular species. These complexities threaten 350 million people in 98 countries worldwide. Amastigotes living within macrophage phagolysosomes are the principal target of antileishmanial treatment, but these are not an easy target as drugs must overcome major structural barriers...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28777538/microinjection-for-the-ex-vivo-modification-of-cells-with-artificial-organelles
#14
Peter Tiefenboeck, Jong Ah Kim, Ferdinand Trunk, Tamara Eicher, Erica Russo, Alvaro Teijeira, Cornelia Halin, Jean-Christophe Leroux
Microinjection is extensively used across fields to deliver material intracellularly. Here we address the fundamental aspects of introducing exogenous organelles into cells to endow them with artificial functions. Nanocarriers encapsulating biologically active cargo or extreme intraluminal pH were injected directly into the cytosol of cells, where they bypassed subcellular processing pathways and remained intact for several days. Nanocarriers' size was found to dictate their intracellular distribution pattern upon injection, with larger vesicles adopting polarized agglomerated distributions and smaller colloids spreading evenly in the cytosol...
August 22, 2017: ACS Nano
https://www.readbyqxmd.com/read/28770233/airway-epithelial-repair-by-a-prebiotic-mannan-derived-from-saccharomyces-cerevisiae
#15
Christie F Michael, Christopher M Waters, Kim S LeMessurier, Amali E Samarasinghe, Chi Y Song, Kafait U Malik, D Betty Lew
In asthmatic airways, repeated epithelial damage and repair occur. No current therapy directly targets this process. We aimed to determine the effects of mannan derived from S. cerevisiae (SC-MN) on airway epithelial wound repair, in vitro. The presence of functional mannose receptors in bronchial epithelial cells was shown by endocytosis of colloidal gold-Man BSA via clathrin-coated pits in 16HBE cells. In primary normal human bronchial epithelial cells (NHBEC), SC-MN significantly facilitated wound closure...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28767043/glutathione-responsive-micelles-incorporated-with-semiconducting-polymer-dots-and-doxorubicin-for-cancer-photothermal-chemotherapy
#16
Zhixiong Cai, Da Zhang, Xinyi Lin, Yunzhu Chen, Ming Wu, Zuwu Wei, Zhenxi Zhang, Xiaolong Liu, Cuiping Yao
Nanoplatform integrated with PTT and chemotherapy has been recognized a promising agent for enhancing cancer therapeutic outcomes, but still suffer from less controllability for optimizing their synergistic effects. Herein, we fabricated glutathione responsive micelles incorporated with semiconducting polymer dots and doxorubicin (referred as SPDOX NPs) for combining photothermal therapy (PTT) with chemotherapy to enhance cancer therapeutic efficiency. These micelles with excellent water dispersibility were comprised of three distinct functional components: (1) the monomethoxy-poly(ethylene glycol)-S-S-hexadecyl (mPEG-S-S-C16), which forms the micelles, can render hydrophobic substances water-soluble and improve the colloidal stability; (2) the disulfide linkages, can be cleaved in reductive environment for tumor-specific drug release due to the high GSH concentrations of tumor micro-environment; (3) Pdots and anticancer drug DOX that are loaded inside the hydrophobic core of the micelle can be applied to simultaneously perform PTT and chemotherapy to achieve significantly enhanced tumor killing efficiency both in vitro and in vivo...
August 2, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28762023/efficacy-of-goal-directed-fluid-therapy-via-pleth-variability-index-during-laparoscopic-roux-en-y-gastric-bypass-surgery-in-morbidly-obese-patients
#17
İsmail Demirel, Esef Bolat, Aysun Yıldız Altun, Mustafa Özdemir, Azize Beştaş
BACKGROUND: There is no well-recognized guideline for intraoperative fluid management in bariatric surgery. Goal-directed fluid therapy (GDFT) is a new concept of perioperative fluid management which was shown to improve patients' prognoses. Dynamic indicators may better predict fluid response compared to static indicators. In this study, we aimed to assess effects of administering GDFT protocol via Pleth Variability Index (PVI) in morbidly obese patients undergoing laparoscopic Roux-en-Y gastric bypass (RYGB) surgery...
July 31, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28745294/controllable-synthesis-and-characterisation-of-palladium-ii-anticancer-complex-loaded-colloidal-gelatin-nanoparticles-as-a-novel-sustained-release-delivery-system-in-cancer-therapy
#18
Neda Alasvand, Maryam Saeidifar, Ali Akbar Saboury, Masoud Mozafari
Over the past few years, there have been several attempts to deliver anticancer drugs into the body. It has been shown that compared to other available carriers, colloidal gelatin nanoparticles (CGNPs) have distinct properties due to their exceptional physico-chemical and biological characteristics. In this study, a novel water-soluble palladium (II) anticancer complex was first synthesised, and then loaded into CGNPs. The CGNPs were synthesised through a two-step desolvation method with an average particle size of 378 nm...
August 2017: IET Nanobiotechnology
https://www.readbyqxmd.com/read/28744887/in-vitro-evaluation-of-the-internalization-and-toxicological-profile-of-silica-nanoparticles-and-submicroparticles-for-the-design-of-dermal-drug-delivery-strategies
#19
Sara Vicente, Claudia Moia, Huijun Zhu, Xavier Vigé
The use of colloidal silica nanoparticles and sub-microparticles (SiPs) have been considered a very interesting strategy for drug delivery applications. In the present study, we have focused our attention on the suitability of these nanomaterials as potential carriers for dermal drug delivery, thus studying their toxicological profile in vitro, cellular uptake and intracellular localization in both human keratinocytes (K17) and human dermal fibroblasts (HDF) as a function of their particle size (SiPs of 20, 70, 200 and 500 nm)...
July 25, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28742231/different-resuscitation-strategies-and-novel-pharmacologic-treatment-with-valproic-acid-in-traumatic-brain-injury
#20
REVIEW
Simone E Dekker, Vahagn C Nikolian, Martin Sillesen, Ted Bambakidis, Patrick Schober, Hasan B Alam
Traumatic brain injury (TBI) is a leading cause of death in young adults, and effective treatment strategies have the potential to save many lives. TBI results in coagulopathy, endothelial dysfunction, inflammation, cell death, and impaired epigenetic homeostasis, ultimately leading to morbidity and/or mortality. Commonly used resuscitation fluids such as crystalloids or colloids have several disadvantages and might even be harmful when administered in large quantities. There is a need for next-generation treatment strategies (especially in the prehospital setting) that minimize cellular damage, improve survival, and enhance neurological recovery...
July 25, 2017: Journal of Neuroscience Research
keyword
keyword
69961
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"