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https://www.readbyqxmd.com/read/28453325/implementing-smart-infusion-pumps-with-dose-error-reduction-software-real-world-experiences
#1
Claire Heron
Intravenous (IV) drug administration, especially with 'smart pumps', is complex and susceptible to errors. Although errors can occur at any stage of the IV medication process, most errors occur during reconstitution and administration. Dose-error reduction software (DERS) loaded on to infusion pumps incorporates a drug library with predefined upper and lower drug dose limits and infusion rates, which can reduce IV infusion errors. Although this is an important advance for patient safety at the point of care, uptake is still relatively low...
April 27, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/28447448/lanthanide-organic-gels-logs-as-a-multifunctional-supramolecular-smart-platform
#2
José Yago Rodrigues Silva, Leonis Lourenço da Luz, Filipe Gabriel Martinez Mauricio, Iane Bezerra Vasconcelos Alves, Jamylle Nunes de Souza Ferro, Emiliano Barreto, Ingrid Tavora Weber, Walter Mendes de Azevedo, Severino Alves Júnior
A multifunctional smart supramolecular platform based on a lanthanide-organic hydrogel is presented. This platform, which provides unique biocompatibility and tunable optical properties, is synthesized by a simple, fast and reproducible eco-friendly microwave-assisted route. Photoluminescent properties enable the production of coated light-emitting diodes (LED), unique luminescent barcodes dependent on the excitation wavelength and thin-films for use in tamper seals. Moreover, piroxicam entrapped in hydrogel acts as a transdermal drug release device efficient in inhibiting edemas compared to a commercial reference...
April 27, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28440948/novel-reduction-sensitive-micellar-nanoparticles-assembled-from-rituximab-doxorubicin-conjugates-as-smart-and-intuitive-drug-delivery-systems-for-the-treatment-of-non-hodgkin-s-lymphoma
#3
Huabin Yin, Tong Meng, Ling Shu, Min Mao, Lei Zhou, Haiyan Chen, Dianwen Song
In this study, a novel reduction-sensitive drug delivery system, the Rituximab-Doxorubicin (RTX-DOX) micellar nanoparticle (RDMN), was specially designed for targeted delivery and release of DOX in Non-Hodgkin's Lymphoma (NHL) cells. The RDMN was fabricated by self-assembling of amphiphilic RTX-DOX conjugates (RDCs), which were synthesized by conjugating the hydrophilic Fab fragments of RTX (an anti-CD20 monoclonal antibody) and hydrophobic DOXs by a reduction-responsive linker, 3-(2-Pyridyldithio) propionyl hydrazide (PDPH)...
April 25, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28440004/safety-and-effectiveness-of-room-temperature-stable-recombinant-factor-viia-in-patients-with-haemophilia-a-or-b-and-inhibitors-results-of-a-multinational-prospective-observational-study
#4
K Kavakli, F Demartis, M Karimi, P Eshghi, D Neme, H Chambost, L Sommer, M Zak, G Benson
INTRODUCTION: A room temperature stable formulation of recombinant activated factor VII (NovoSeven(®) ), allowing convenient storage and therefore improved treatment access, has been developed. Bioequivalence to the previous NovoSeven(®) was demonstrated in healthy humans, leading to European approval (2008). Although no confirmed cases of neutralising antibodies to rFVIIa in patients with haemophilia A or B have been observed with the original formulation, changes in formulation or storage condition may alter immunogenicity...
April 24, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28432913/spontaneously-formed-redox-and-ph-sensitive-polymersomes-by-mpeg-based-cytocompatible-random-copolymers
#5
Partha Laskar, Joykrishna Dey, Sudip Kumar Ghosh
Stimuli-sensitive polymersomes are one of the important vehicles and have been extensively studied as smart drug delivery system. Polymersomes have added advantage over the micelles because of having the ability to carry not only hydrophobic but also hydrophilic guest in their aqueous core. Among various stimuli, the change of pH and redox reaction is very important for drug delivery purpose especially for anticancer drug. Therefore, in this work, two poly(ethylene glycol) methyl ether methacrylate (mPEG) containing hydrophilic random anionic copolymers, poly[(2-hydroxyethyl methacrylate-3,3'-dithiodipropanoic acid)x-co-(poly(ethylene glycol) methyl ether methacrylate)y], poly[(HEMA-DTDPA)x-co-mPEGy] with different copolymer ratios were designed and synthesized...
April 12, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28431803/reutilization-of-discarded-biomass-for-preparing-functional-polymer-materials
#6
REVIEW
Jianfeng Wang, Wenzhen Qian, Yufeng He, Yubing Xiong, Pengfei Song, Rong-Min Wang
Biomass is abundant and recyclable on the earth, which has been assigned numerous roles to human beings. However, over the past decades, accompanying with the rapid expansion of man-made materials, such as alloy, plastic, synthetic rubber and fiber, a great number of natural materials had been neglected and abandoned, such as straw, which cause a waste of resource and environmental pollution. In this review, based on introducing sources of discarded biomass, the main composition and polymer chains in discarded biomass materials, the traditional treatment and novel approach for reutilization of discarded biomass were summarized...
April 18, 2017: Waste Management
https://www.readbyqxmd.com/read/28420679/tumor-microenvironment-targeting-and-responsive-peptide-based-nanoformulations-for-improved-tumor-therapy
#7
Hao Qin, Yanping Ding, Ayeesha Mujeeb, Ying Zhao, Guangjun Nie
Tumor microenvironment participates in all stages of tumor progression and has emerged as a promising therapeutic target for cancer therapy. Rapid progress in the field of molecular self-assembly using various biological molecules has resulted in the fabrication of nanoformulations, specifically targeting and regulating the microenvironment components to inhibit tumor malignancies. This inhibition process is based on the differentiating biophysicochemical cues guiding tumor and normal tissue microenvironments...
April 18, 2017: Molecular Pharmacology
https://www.readbyqxmd.com/read/28416386/structural-analysis-of-the-interaction-between-spiroisoxazoline-smart-420-and-the-mycobacterium-tuberculosis-repressor-ethr2
#8
Alexandre Wohlkönig, Han Remaut, Martin Moune, Abdalkarim Tanina, Franck Meyer, Matthieu Desroses, Jan Steyaert, Nicolas Willand, Alain R Baulard, René Wintjens
Inhibition of transcriptional regulators of bacterial pathogens with the aim of reprogramming their metabolism to modify their antibiotic susceptibility constitutes a promising therapeutic strategy. One example is the bio-activation of the anti-tubercular pro-drug ethionamide, which activity could be enhanced by inhibiting the transcriptional repressor EthR. Recently, we discovered that inhibition of a second transcriptional repressor, EthR2, leads to the awakening of a new ethionamide bio-activation pathway...
April 14, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28406894/anti-bacterials-out-smarting-drug-resistance
#9
Alison Farrell
No abstract text is available yet for this article.
April 13, 2017: Nature Chemical Biology
https://www.readbyqxmd.com/read/28404870/enhancing-regenerative-approaches-with-nanoparticles
#10
REVIEW
Sabine van Rijt, Pamela Habibovic
In this review, we discuss recent developments in the field of nanoparticles and their use in tissue regeneration approaches. Owing to their unique chemical properties and flexibility in design, nanoparticles can be used as drug delivery systems, to create novel features within materials or as bioimaging agents, or indeed these properties can be combined to create smart multifunctional structures. This review aims to provide an overview of this research field where the focus will be on nanoparticle-based strategies to stimulate bone regeneration; however, the same principles can be applied for other tissue and organ regeneration strategies...
April 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28403791/multimeric-system-of-rgd-grafted-pmma-nanoparticles-as-a-targeted-drug-delivery-system-for-paclitaxel
#11
Gibbens-Bandala Brenda Vianey, Ocampo-García Blanca Eli, Ferro-Flores Guillermina, Morales-Avila Enrique, Ancira-Cortez Alejandra, Jaimes-Aguirre Laura
BACKGROUND: Polymer-based nanoparticles as drug-delivery systems offer new therapeutic opportunities. Among them, ligand-mediated targeting, which increases selectivity and efficacy, allows controllable drug delivery. The aim of the this research was to prepare and characterize poly(methyl methacrylate) (PMMA) nanoparticles grafted with the -Arginine, Glycine, Aspartic Acid (RGD)- peptide sequence as a promising smart drug delivery system for Paclitaxel (PTX), directed at the sites of integrin receptor overexpression...
April 7, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28403539/gmp-polyamine-hybrid-hydrogels-enhanced-gel-strength-probed-by-z-spectroscopy
#12
Juan A Aguilar, Raquel Belda, Enrique García-España, Gareth A Morris, Jonathan W Steed
The self-assembling tendencies of guanosine-5'-monophosphate (GMP) can be drastically increased using polyamines, with potential applications in the production of biocompatible smart materials, as well as for the design of anti-tumoral drugs based on G-quadruplex stabilization. Results from scanning electron microscopy (SEM), wide angle X-ray scattering (WAXS), rheology and nuclear magnetic resonance (NMR) z-spectroscopy studies are presented.
April 12, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28395469/-the-situation-and-associated-factors-of-facility-based-hiv-testing-among-men-who-sex-with-men-in-beijing
#13
X L Ren, G D Mi, Y Zhao, K M Rou, D P Zhang, L Geng, Z H Chen, Z Y Wu
Objective: To understand the prevalence of facility-based HIV testing and its associated factors among men who have sex with men (MSM) in Beijing city. Methods: An application-based cross-sectional survey was employed to understand HIV site test situation and associated factors. The survey was carried out from May 14(th) to 21(st), 2016. Users of a smart phone application for gay dating were recruited and those eligible for this survey were investigated with an online self-administered questionnaire. Information of demographics, sexual behaviors, facility-based HIV testing history and recreational drug abuses were collected...
April 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/28392307/electrically-responsive-core-shell-hybrid-microfibers-for-controlled-drug-release-and-cell-culture
#14
Chuntao Chen, Xiao Chen, Heng Zhang, Qi Zhang, Li Wang, Chenxi Li, Beibei Dai, Jiazhi Yang, Jian Liu, Dongping Sun
It is an active research field to develop fiber-shaped smart materials for biomedical applications. Here we report the development of the multifunctional core-shell hybrid microfibers with excellent mechanical and electrical performance as a new smart biomaterial. The microfibers were synthesized using a combination of co-axial spinning with a microfluidic device and subsequent dip-coating, containing a hydrogel core of bacterial cellulose (BC) and a conductive polymer shell layer of poly(3,4-ethylenedioxythiophene) (PEDOT)...
April 6, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28377307/protein-gold-nanoparticle-interactions-and-their-possible-impact-on-biomedical-applications
#15
REVIEW
Jingying Liu, Qiang Peng
In the past few years, concerns of protein-gold nanoparticles (AuNP) interaction have been continuously growing in numerous potential biomedical applications. Despite the advances in tunable size, shape and excellent biocompatibility, unpredictable adverse effects related with protein corona (PC) have critically affected physiological to therapeutic responses. The complexity and uncontrollability of AuNP-PC formation limited the clinical applications of AuNP, e.g. AuNP-based drug delivery systems or imaging agent...
April 1, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28372302/advance-of-dna-and-ccps-based-nanocarriers-in-drug-delivery-systems
#16
Yu Wu, Xihui Yao, Yun Chen, Yinping Li, Weiqun Tian
Development of smart and functional polymeric carriers, which enable controlled or timed release of a bioactive material, thereby providing a better dosing pattern and minimizing side effects, becomes a new requirement in the field of drug delivery. In the recent few decades, a great many advancements of polymer synthetic methods have led to a new generation of bioactive polymers' applications as drug controlled release carriers. In this review, we focus on the use of bioactive polymers for drug delivery system, with a particular in the utility of DNA-based nanocarriers and cell-penetrating peptides (CCPs)-based nanocarriers to provide precision control for drug targeting or stimuli responsive systems...
2017: Bio-medical Materials and Engineering
https://www.readbyqxmd.com/read/28371376/a-smart-responsive-dual-aptamers-targeted-bubble-generating-nanosystem-for-cancer-triplex-therapy-and-ultrasound-imaging
#17
Feifei Zhao, Jie Zhou, Xiangjie Su, Yuhui Wang, Xiaosa Yan, Shaona Jia, Bin Du
The absence of targeted, single treatment methods produces low therapeutic value for treating cancers. To increase the accumulation of drugs in tumors and improve the treatment effectiveness, near-infrared 808 nm photothermal responsive dual aptamers-targeted docetaxel (DTX)-containing nanoparticles is proposed. In this system, DTX and NH4 HCO3 are loaded in thermosensitive liposomes. The surface of liposomes is coated with gold nanoshells and connected with sulfydryl (SH) modified AS1411 and S2.2 aptamers...
March 30, 2017: Small
https://www.readbyqxmd.com/read/28368966/intravenous-administration-errors-intercepted-by-smart-infusion-technology-in-an-adult-intensive-care-unit
#18
Rebecca Ibarra-Pérez, Fabiola Puértolas-Balint, Elizabeth Lozano-Cruz, Sergio E Zamora-Gómez, Lucila I Castro-Pastrana
OBJECTIVES: The aim of the study was to investigate the efficacy of intravenous (IV) smart pumps with drug libraries and dose error reduction system (DERS) to intercept programming errors entailing high risk for patients in an adult intensive care unit (ICU). METHODS: A 2-year retrospective study was conducted in the adult ICU of the Hospital Juárez de México in Mexico City to evaluate the impact of IV smart pump/DERS (Hospira MedNet) technology implementation...
April 1, 2017: Journal of Patient Safety
https://www.readbyqxmd.com/read/28364630/charge-convertibility-and-near-infrared-photon-co-enhanced-cisplatin-chemotherapy-based-on-upconversion-nanoplatform
#19
Jiating Xu, Ye Kuang, Ruichan Lv, Piaoping Yang, Chunxia Li, Huiting Bi, Bin Liu, Dan Yang, Yunlu Dai, Shili Gai, Fei He, Bengang Xing, Jun Lin
Optimal nano-sized drug carrier requires long blood circulation, selective extravasation, and efficient cell uptake. Here we develop a charge-convertible nanoplatform based on Pt(IV) prodrug loaded NaYF4:Yb,Tm upconversion nanoparticles (UCNs), followed by coating a layer of PEG-PAH-DMMA polymer (UCNs-Pt(IV)@PEG-PAH-DMMA). The polymer endows the platform with high biocompatibility, initial nano-size for prolonged blood circulation and selective extravasation. Especially, the anionic polymer can response to the mild acidic stimulus (pH ∼6...
June 2017: Biomaterials
https://www.readbyqxmd.com/read/28363771/gold-nanoshell-based-betulinic-acid-liposomes-for-synergistic-chemo-photothermal-therapy
#20
Yanping Liu, Xuwu Zhang, Zhiwei Liu, Longgang Wang, Liyao Luo, Meili Wang, Qianqian Wang, Dawei Gao
A novel synthesis approach is first developed to fabricate a multifunctional smart nanodrug delivery system: gold nanoshell-coated betulinic acid liposomes (AuNS-BA-Lips) mediated by a glutathione. The AuNS-BA-Lips exhibited good size distribution (149.4±2.4nm), preferable photothermal conversion ability and synergistic chemo-photothermal therapy. Additionally, the absorption wavelength of AuNS-BA-Lips showed a significantly red-shifted to near infrared (NIR) region, which can strongly absorbed NIR laser and efficiently convert it into localized heat, thus providing controlled drug release and antitumor thermotherapy...
March 29, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
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