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https://www.readbyqxmd.com/read/28539730/near-infrared-spectroscopy-as-a-process-analytical-technology-tool-for-monitoring-the-parching-process-of-traditional-chinese-medicine-based-on-two-kinds-of-chemical-indicators
#1
Kaiyue Li, Weiying Wang, Yanping Liu, Su Jiang, Guo Huang, Liming Ye
BACKGROUND: The active ingredients and thus pharmacological efficacy of traditional Chinese medicine (TCM) at different degrees of parching process vary greatly. OBJECTIVE: Near-infrared spectroscopy (NIR) was used to develop a new method for rapid online analysis of TCM parching process, using two kinds of chemical indicators (5-(hydroxymethyl) furfural [5-HMF] content and 420 nm absorbance) as reference values which were obviously observed and changed in most TCM parching process...
April 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28534676/applications-of-raman-spectroscopy-in-biopharmaceutical-manufacturing-a-short-review
#2
Kevin Buckley, Alan G Ryder
The production of active pharmaceutical ingredients (APIs) is currently undergoing its biggest transformation in a century. The changes are based on the rapid and dramatic introduction of protein- and macromolecule-based drugs (collectively known as biopharmaceuticals) and can be traced back to the huge investment in biomedical science (in particular in genomics and proteomics) that has been ongoing since the 1970s. Biopharmaceuticals (or biologics) are manufactured using biological-expression systems (such as mammalian, bacterial, insect cells, etc...
June 2017: Applied Spectroscopy
https://www.readbyqxmd.com/read/28529510/advances-in-the-isolation-of-specific-monoclonal-rabbit-antibodies
#3
REVIEW
Zaibao Zhang, Huijuan Liu, Qian Guan, Lei Wang, Hongyu Yuan
The rabbit monoclonal antibodies (mAbs) have advantages in pharmaceuticals and diagnostics with high affinity and specificity. During the past decade, many techniques have been developed for isolating rabbit mAbs, including single B cell antibody technologies. This review describes the basic characterization of rabbit antibody repertoire and summarizes methods of hybridoma technologies, phage display platform, and single B cell antibody technologies. With advances in antibody function and repertoire analysis, rabbit mAbs will be widely used in therapeutic applications in the coming years...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28527735/advances-in-combination-therapy-of-lung-cancer-rationales-delivery-technologies-and-dosage-regimens
#4
REVIEW
Lan Wu, Donglei Leng, Dongmei Cun, Camilla Foged, Mingshi Yang
Lung cancer is a complex disease caused by a multitude of genetic and environmental factors. The progression of lung cancer involves dynamic changes in the genome and a complex network of interactions between cancer cells with multiple, distinct cell types that form tumors. Combination therapy using different pharmaceuticals has been proven highly effective due to the ability to affect multiple cellular pathways involved in the disease progression. However, the currently used drug combination designs are primarily based on empirical clinical studies, and little attention has been given to dosage regimens, i...
May 17, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28525609/e-cigarettes-and-weight-loss-product-design-innovation-insights-from-industry-patents
#5
Harkirat Singh, Ryan David Kennedy, Lisa Lagasse, Lauren M Czaplicki, Joanna E Cohen
Objective: There is emerging evidence that e-cigarettes are being used by some to mitigate weight gain after quitting smoking, and being used to help control weight. This study sought to identify and describe patents related to innovations for e-cigarette devices associated and weight loss. Methods: Relevant patents were identified using Google Patents with the core search terms: "electronic cigarette" OR "e-cigarette" OR "vaporizer" OR "vapourizer" AND "nicotine" AND "weight loss" OR "weight control" OR "obesity" OR "hunger"...
May 19, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28524668/emerging-trends-in-micro-and-nanoscale-technologies-in-medicine-from-basic-discoveries-to-translation
#6
Mario M Alvarez, Joanna Aizenberg, Mostafa Analoui, Anne M Andrews, Gili Bisker, Edward S Boyden, Roger D Kamm, Jeffrey M Karp, David J Mooney, Rahmi Oklu, Dan Peer, Michelle Stolzoff, Michael S Strano, Grissel Trujillo-de Santiago, Thomas J Webster, Paul S Weiss, Ali Khademhosseini
We discuss the state of the art and innovative micro- and nanoscale technologies that are finding niches and opening up new opportunities in medicine, particularly in diagnostic and therapeutic applications. We take the design of point-of-care applications and the capture of circulating tumor cells as illustrative examples of the integration of micro- and nanotechnologies into solutions of diagnostic challenges. We describe several novel nanotechnologies that enable imaging cellular structures and molecular events...
May 19, 2017: ACS Nano
https://www.readbyqxmd.com/read/28523956/pathogen-reduction-technologies-the-pros-and-cons-for-platelet-transfusion
#7
Audrey Magron, Jonathan Laugier, Patrick Provost, Eric Boilard
The transfusion of platelets is essential for diverse pathological conditions associated with thrombocytopenia or platelet disorders. To maintain optimal platelet quality and functions, platelets are stored as platelet concentrates (PCs) at room temperature under continuous agitation-conditions that are permissive for microbial proliferation. In order to reduce these contaminants, pathogen reduction technologies (PRTs) were developed by the pharmaceutical industry and subsequently implemented by blood banks...
May 19, 2017: Platelets
https://www.readbyqxmd.com/read/28506696/current-approaches-for-avoiding-the-limitations-of-circulating-tumor-cells-detection-methods-implications-for-diagnosis-and-treatment-of-patients-with-solid-tumors
#8
REVIEW
Artur Kowalik, Magdalena Kowalewska, Stanisław Góźdź
Eight million people die of cancer each year and 90% of deaths are caused by systemic disease. Circulating tumor cells (CTCs) contribute to the formation of metastases and thus are the subject of extensive research and an abiding interest to biotechnology and pharmaceutical companies. Recent technological advances have resulted in greatly improved CTC detection, enumeration, expansion, and culture methods. However, despite the fact that nearly 150 years have passed since the first detection and description of CTCs in human blood and enormous technological progress that has taken place in this field, especially within the last decade, few CTC detection methods have been approved for routine clinical use...
April 26, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/28504617/opportunities-and-challenges-in-the-wider-adoption-of-liver-and-interconnected-microphysiological-systems
#9
David J Hughes, Tomasz Kostrzewski, Emma L Sceats
Liver disease represents a growing global health burden. The development of in vitro liver models which allow the study of disease and the prediction of metabolism and drug-induced liver injury in humans remains a challenge. The maintenance of functional primary hepatocytes cultures, the parenchymal cell of the liver, has historically been difficult with dedifferentiation and the consequent loss of hepatic function limiting utility. The desire for longer term functional liver cultures sparked the development of numerous systems, including collagen sandwiches, spheroids, micropatterned co-cultures and liver microphysiological systems...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28502181/rapid-nano-gram-scale-screening-method-of-micro-arrays-to-evaluate-drug-polymer-blends-using-high-throughput-printing-technology
#10
Vincenzo Taresco, Iria Louzao, David Scurr, Jonathan Booth, Kevin Treacher, James McCabe, Eleanor Turpin, Charles A Laughton, Cameron Alexander, Jonathan C Burley, Martin C Garnett
A miniaturized, high-throughput assay was optimized to screen polymer-drug solid dispersions using a 2-D Ink-jet printer. By simply printing nanoliter amounts of polymer and drug solutions onto an inert surface, drug:polymer micro-dots of tunable composition were produced in an easily-addressable micro-array format. The amount of material printed for each dried spot ranged from 25 ng to 650 ng. These arrays were used to assess the stability of drug:polymer dispersions with respect to recrystallization, using polarized light microscopy...
May 14, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28501712/3d-bioprinting-for-drug-discovery-and-development-in-pharmaceutics
#11
REVIEW
Weijie Peng, Pallab Datta, Bugra Ayan, Veli Ozbolat, Donna Sosnoski, Ibrahim T Ozbolat
Successful launch of a commercial drug requires significant investment of time and financial resources wherein late-stage failures become a reason for catastrophic failures in drug discovery. This calls for infusing constant innovations in technologies, which can give reliable prediction of efficacy, and more importantly, toxicology of the compound early in the drug discovery process before clinical trials. Though computational advances have resulted in more rationale in silico designing, in vitro experimental studies still require gaining industry confidence and improving in vitro-in vivo correlations...
May 10, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28500106/medical-3-d-printing
#12
Bryant Furlow
Three-dimensional printing is used in the manufacturing industry, medical and pharmaceutical research, drug production, clinical medicine, and dentistry, with implications for precision and personalized medicine. This technology is advancing the development of patient-specific prosthetics, stents, splints, and fixation devices and is changing medical education, treatment decision making, and surgical planning. Diagnostic imaging modalities play a fundamental role in the creation of 3-D printed models. Although most 3-D printed objects are rigid, flexible soft-tissue-like prosthetics also can be produced...
May 2017: Radiologic Technology
https://www.readbyqxmd.com/read/28494286/slurry-photocatalytic-membrane-reactor-technology-for-removal-of-pharmaceutical-compounds-from-wastewater-towards-cytostatic-drug-elimination
#13
REVIEW
Raphael Janssens, Mrinal Kanti Mandal, Kashyap Kumar Dubey, Patricia Luis
The potential of photocatalytic membrane reactors (PMR) to degrade cytostatic drugs is presented in this work as an emerging technology for wastewater treatment. Cytostatic drugs are pharmaceutical compounds (PhCs) commonly used in cancer treatment. Such compounds and their metabolites, as well as their degraded by-products have genotoxic and mutagenic effects. A major challenge of cytostatic removal stands in the fact that most drugs are delivered to ambulant patients leading to diluted concentration in the municipal waste...
May 8, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28485714/portugal-health-system-review
#14
Jorge de Almeida Simoes, Goncalo Figueiredo Augusto, Ines Fronteira, Cristina Hernandez-Quevedo
This analysis of the Portuguese health system reviews recent developments in organization and governance, health financing, health care provision, health reforms and health system performance. Overall health indicators such as life expectancy at birth and at age 65 years have shown a notable improvement over the last decades. However, these improvements have not been followed at the same pace by other important dimensions of health: child poverty and its consequences, mental health and quality of life after 65...
March 2017: Health Systems in Transition
https://www.readbyqxmd.com/read/28484750/in-vitro-field-potential-monitoring-on-a-multi-microelectrode-array-for-the-electrophysiological-long-term-screening-of-neural-stem-cell-maturation
#15
Diana Seidel, Heinz-Georg Jahnke, Beate Englich, Mathilde Girard, Andrea A Robitzki
Due to the lack of appropriate cell models as well as automated electrophysiology monitoring technologies, the standardized identification of neurotoxic or protective effects in vitro remains a major problem in today's pharmaceutical ingredient development. Over the past few years, in vivo-like human pluripotent stem cell-derived neuronal networks have turned out to be a promising physiological cell source, if the establishment of robust and time-saving functional maturation strategies based on stable and expandable neural progenitor populations can be achieved...
May 9, 2017: Analyst
https://www.readbyqxmd.com/read/28479533/-sensors-for-measuring-taste-and-smell
#16
Kiyoshi Toko
Gustatory and olfactory senses receive chemical substances at the biological membranes of taste and olfactory cells, respectively. The present review article describes electronic tongue (taste sensor) and electronic nose (odor sensor) developed based on biomimetic technology. A taste sensor is now commercially sold and utilized in pharmaceutical and food companies across the world. An electronic nose with high sensitivity was also commercialized in Japan. These sensors provide novel methods for analyzing chemical substances instead of using conventional tools...
May 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/28479163/cell-penetrating-peptides-cpps-from-delivery-of-nucleic-acids-and-antigens-to-transduction-of-engineered-nucleases-for-application-in-transgenesis
#17
REVIEW
Gandhi Rádis-Baptista, Iana S Campelo, Jean-Étienne R L Morlighem, Luciana M Melo, Vicente J F Freitas
Cell-penetrating peptides (CPPs) have been studied for their capacity to translocate across the lipid membrane of several cell types. In membrane translocation, these peptides can remarkably transport biologically active hydrophilic molecules, such as pharmaceuticals, nucleic acids (DNA and RNA) and even high-molecular-weight proteins, Fig. 3 into the cell cytoplasm and organelles. The development of CPPs as transduction agents includes the modification of gene and protein expression, the reprogramming and differentiation of induced pluripotent stem cells and the preparation of cellular vaccines...
May 4, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28477220/defining-and-measuring-the-affordability-of-new-medicines-a-systematic-review
#18
REVIEW
Fernando Antoñanzas, Robert Terkola, Paul M Overton, Natalie Shalet, Maarten Postma
BACKGROUND: In many healthcare systems, affordability concerns can lead to restrictions on the use of expensive efficacious therapies. However, there does not appear to be any consensus as to the terminology used to describe affordability, or the thresholds used to determine whether new drugs are affordable. OBJECTIVES: The aim of this systematic review was to investigate how affordability is defined and measured in healthcare. METHODS: MEDLINE, EMBASE and EconLit databases (2005-July 2016) were searched using terms covering affordability and budget impact, combined with definitions, thresholds and restrictions, to identify articles describing a definition of affordability with respect to new medicines...
May 5, 2017: PharmacoEconomics
https://www.readbyqxmd.com/read/28475417/challenges-and-opportunities-for-the-future-of-monoclonal-antibody-development-improving-safety-assessment-and-reducing-animal-use
#19
Fiona Sewell, Kathryn Chapman, Jessica Couch, Maggie Dempster, Shawn Heidel, Lise Loberg, Curtis Maier, Tim K McLachlan, Marque Todd, Jan Willem van der Laan
The market for biotherapeutic monoclonal antibodies (mAbs) is large and is growing rapidly. However, attrition poses a significant challenge for the development of mAbs, and for biopharmaceuticals in general, with large associated costs in resource and animal use. Termination of candidate mAbs may occur due to poor translation from preclinical models to human safety. It is critical that the industry addresses this problem in order to maintain productivity. Though attrition poses a significant challenge for pharmaceuticals in general, there are specific challenges related to the development of antibody-based products...
May 5, 2017: MAbs
https://www.readbyqxmd.com/read/28461199/new-structural-formats-of-therapeutic-antibodies-for-rheumatology
#20
Christophe Dumet, Jérémy Pottier, Valérie Gouilleux, Hervé Watier
Pharmaceutical companies strive continuously to develop better medications in order to remain competitive. In the arena of monoclonal antibodies and related biologics (fusion proteins containing an IgG Fc fragment), the thrust is not only toward identifying new targets, but also toward developing new molecular formats. Here, new-generation antibodies used to treat rheumatic diseases are discussed, with emphasis on relations linking structure to pharmacological effects and on the improvements expected from the new formats...
April 28, 2017: Joint, Bone, Spine: Revue du Rhumatisme
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