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lyophilized plasma

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https://www.readbyqxmd.com/read/28806294/the-tissue-engineered-tendon-bone-interface-in-vitro-and-in-vivo-synergistic-effects-of-adipo-derived-stem-cells-platelet-rich-plasma-and-extracellular-matrix-hydrogel
#1
Rory McGoldrick, Arhana Chattopadhyay, Christopher Crowe, Grace Chiou, Kenneth Hui, Simon Farnebo, Christopher Davis, Anais Le Grand, Molly Jacobs, Hung Pham, James Chang
INTRODUCTION: Suboptimal healing of the tendon bone interface (TBI) remains an unsolved problem. One solution is a biocompatible tissue engineered construct that promotes augmented healing. We hypothesisze that 1.) the presence of Platelet Rich Plasma (PRP) and prolonged in vitro incubation produces tissue engineered tendon bone interface scaffolds with greater reseeding of viable Adipo-derived Stem Cells (ADSC) and 2.) when implanted with extracellular matrix hydrogel, constructs will display superior in vivo strength repair and biocompatibility...
August 3, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28792712/external-quality-assessment-of-first-trimester-prenatal-biochemical-screening-in-china
#2
Shishi Zhang, Xiaoyan Zhang, Wei Wang, Falin He, Kun Zhong, Shuai Yuan, Zhiguo Wang
BACKGROUND: Free β subunit of human chorionic gonadotropin (free β-hCG) and pregnancy-associated plasma protein A (PAPP-A) are two important biomarkers in first-trimester prenatal screening. This study intended to reflect their analytical performance in clinical laboratories and main platforms of the 2015 External Quality Assessment (EQA) scheme for the first-trimester biochemical screening in China. METHODS: Ten lyophilized EQA samples, divided into two sets and analyzed in two cycles 20151 and 20152, were distributed to each participant in 2015...
July 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28763985/increase-in-nitrite-content-and-functionality-of-ethanolic-extracts-of-perilla-frutescens-following-treatment-with-atmospheric-pressure-plasma
#3
Samooel Jung, Chul Woo Lee, Juri Lee, Hae In Yong, Su Jin Yum, Hee Gon Jeong, Cheorun Jo
This study investigated the effect of atmospheric pressure plasma (APP) treatment on nitrite content and functionality of plant extracts. Ethanolic extracts of Perilla frutescens (EEP) were prepared and treated with APP for 60min. Nitrite content increased from 0 to 45.8mg/l in EEP after APP treatment for 60min. Antimicrobial activity of EEP against Clostridium perfringens and Salmonella Typhimurium was increased by APP with no influence on antioxidative activity (p<0.05). Lyophilized EEP (LEEP) treated with APP for 60min contained 3...
December 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28669771/antidiabetic-antioxidant-and-anti-inflammatory-properties-of-water-and-n-butanol-soluble-extracts-from-saharian-anvillea-radiata-in-high-fat-diet-fed-mice
#4
Chouaib Kandouli, Mathieu Cassien, Anne Mercier, Caroline Delehedde, Emilie Ricquebourg, Pierre Stocker, Mourad Mekaouche, Zineb Leulmi, Aicha Mechakra, Sophie Thétiot-Laurent, Marcel Culcasi, Sylvia Pietri
ETHNOPHARMACOLOGICAL RELEVANCE: According to Saharian traditional medicine, Anvillea radiata Coss. & Dur. (Asteraceae) has been valued for treating a variety of ailments such as gastro-intestinal, liver and pulmonary diseases, and has gained awareness for its beneficial effect on postprandial hyperglycemia. However, to best of our knowledge, no detailed study of the antidiabetic curative effects of this plant has been conducted yet. AIM OF THE STUDY: To determine the hypoglycemic and antidiabetic effect of dietary supplementation with Anvillea radiata extracts on high-fat-diet (HFD)-induced obesity and insulin resistance in C57BL/6J mice in relation with antioxidant, anti-inflammatory, pancreatic beta-cells and skeletal muscle protection, and digestive enzyme inhibiting properties...
July 31, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28648097/oxyvita-%C3%A2-c-a-next-generation-haemoglobin-based-oxygen-carrier-with-coagulation-capacity-ovccc-modified-lyophilization-spray-drying-process-proteins-protection
#5
Hanna Wollocko, Brian M Wollocko, Jacek Wollocko, Waldemar Grzegorzewski, Lukasz Smyk
Uncontrolled haemorrhage is one of the leading causes of death. This issue is present in controlled environments, such as hospitals, as well as pre-hospital and remote locations. Treatment is more challenging in remote locations where there is a lack of effective products to deliver oxygen and control coagulation. Poorly treated haemorrhage can lead to rapidly deteriorating bodily conditions that can result in organ failure and tissue death. Thus, the availability of products to support oxygen delivery to tissues and coagulation processes within the body is essential for the effective treatment of severe haemorrhage, particularly in out-of-the-hospital settings...
June 26, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28647214/development-and-in-vivo-evaluation-of-functionalized-ritonavir-proliposomes-for-lymphatic-targeting
#6
COMPARATIVE STUDY
Vasif Ahammed, Reema Narayan, John Paul, Yogendra Nayak, Bisakha Roy, Gopal V Shavi, Usha Y Nayak
AIMS: The aim of the present work was to prepare, characterize, and evaluate proliposomes containing lipophilic prodrug ritonavir for targeting towards CD4+ T cells in the lymphatic system. MATERIALS AND METHODS: The liposomes were prepared by lipid thin film hydration method and lyophilized in the presence of cryoprotectant mannitol to obtain proliposomes. The optimized proliposomes by Central Composite Design, were surface modified with biotin. The proliposomes were evaluated for particle size, zeta potential, polydispersity index (PDI), entrapment efficiency, in vitro drug release, in vivo pharmacokinetics and biodistribution studies...
August 15, 2017: Life Sciences
https://www.readbyqxmd.com/read/28603894/a-performance-evaluation-of-a-novel-human-recombinant-tissue-factor-prothrombin-time-reagent-revohem-%C3%A2-pt
#7
C Gardiner, K Kohama, I Patel, P Lane, S Dwyer, S J Machin, I J Mackie
INTRODUCTION: A new prothrombin time reagent (Revohem™ PT) based on recombinant human tissue factor produced by the silkworm-baculovirus expression system was tested. The aim of this study was to compare the performance of the new PT reagent with two widely used routine PT reagents. METHODS: All testing was performed on a Sysmex CS-5100 coagulometer. Revohem(™) PT was tested for imprecision and stability using normal and abnormal lyophilized commercial control plasmas...
June 12, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28601205/remote-damage-control-resuscitation-in-austere-environments
#8
REVIEW
Ronald Chang, Brian J Eastridge, John B Holcomb
Hemorrhage is the leading cause of preventable military and civilian trauma death. Damage control resuscitation with concomitant mechanical hemorrhage control has become the preferred in-hospital treatment of hemorrhagic shock. In particular, plasma-based resuscitation with decreased volumes of crystalloids and artificial colloids as part of damage control resuscitation has improved outcomes in the military and civilian sectors. However, translation of these principles and techniques to the prehospital, remote, and austere environments, known as remote damage control resuscitation, is challenging given the resource limitations in these settings...
June 2017: Wilderness & Environmental Medicine
https://www.readbyqxmd.com/read/28561902/safety-and-pharmacokinetics-of-bendamustine-rapid-infusion-formulation
#9
Eric M Cheung, William J Edenfield, Bassam Mattar, Stephen P Anthony, Peter J Mutch, Brian Chanas, Mark Smith, Adrian Hepner
Bendamustine hydrochloride (BDM) is approved in the United States to treat chronic lymphocytic leukemia and relapsed indolent B-cell non-Hodgkin lymphoma. The first formulation marketed in the United States (original BDM) was a lyophilized product requiring reconstitution prior to dilution to the final admixture. A liquid formulation of BDM was subsequently introduced that did not require reconstitution before dilution. Both formulations are administered as a 500 mL admixture with a recommended infusion time of 30 or 60 minutes for chronic lymphocytic leukemia and indolent B-cell non-Hodgkin lymphoma, respectively...
May 31, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28513427/population-pharmacokinetics-of-lyophilized-recombinant-glucagon-like-peptide-1-receptor-agonist-recombinant-exendin-4-re-4-in-chinese-patients-with-type-2-diabetes-mellitus%C3%A2
#10
Yan-Nan Zang, Min-Jie Zhang, Yi-Tong Wang, Chen Wang, Qian Wang, Qing-Shan Zheng, Li-Nong Ji, Wei Guo, Yi Fang
OBJECTIVE: To investigate the population pharmacokinetics of lyophilized recombinant glucagon-like peptide-1 receptor agonist (rE-4) in Chinese patients with type 2 diabetes mellitus (T2DM) for plasma concentration estimation and individualized treatment. METHODS: Twelve patients with T2DM were enrolled to receive subcutaneous injections of rE-4 at 5 µg twice daily for 84 days. Administration dosage was adjusted from 5 µg to 10 µg twice daily at day 29 in case of glycated albumin (GA) ≥ 17%...
May 17, 2017: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28485775/determination-of-phloroglucinol-by-hplc-ms-ms-and-its-application-to-a-bioequivalence-study-in-healthy-volunteers
#11
X-Q Li, R-T Wang, Q-H Wang, X-L Tang, C-T Lu, H-G Gong, A-D Wen
OBJECTIVE: The aim of this study was to compare the pharmacokinetic characteristics of phloroglucinol between an orally disintegrating tablet and an orally lyophilized tablet of phloroglucinol in healthy volunteers under fasting condition. PATIENTS AND METHODS: A rapid and simple method based on high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) method has been developed and validated for the determination of phloroglucinol in human plasma...
April 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28460165/development-of-a-rapidly-dissolvable-oral-pediatric-formulation-for-mefloquine-using-liposomes
#12
Wei-Lun Tang, Wei-Hsin Tang, Weihsu Claire Chen, Charles Diako, Carolyn F Ross, Shyh-Dar Li
Mefloquine (Mef), a poorly soluble and highly bitter drug, has been used for malaria prophylaxis and treatment. The dosage form for Mef is mostly available as adult tablets, and thus children under the age of 5 suffer from poor medication adherence. We have developed a stable, rapidly dissolvable, and palatable pediatric formulation for Mef using liposomes composed of 1,2-distearoyl-sn-glycero-3-phosphocholine (DSPC) and cholesterol with a mean diameter of ∼110 nm. Mef was actively loaded into the liposomes via an ammonium sulfate gradient using the solvent-assisted loading technology (SALT) developed in our lab...
May 9, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28447361/the-effect-of-dietary-chlorella-vulgaris-inclusion-on-goat-s-milk-chemical-composition-fatty-acids-profile-and-enzymes-activities-related-to-oxidation
#13
E Tsiplakou, M A M Abdullah, A Mavrommatis, M Chatzikonstantinou, D Skliros, K Sotirakoglou, E Flemetakis, N E Labrou, G Zervas
The impact of dietary supplementation with microalgae on goat's milk chemical composition, fatty acids (FA) profile and enzymes activities related to antioxidant mechanism has not been well documented. Thus, this study aimed to investigate the effects of dietary inclusion of Chlorella vulgaris on the following: (i) milk yield, chemical composition and FA profile, (ii) the activities of superoxide dismutase (SOD), catalase (CAT), glutathione reductase (GR), glutathione transferase (GST) and glutathione peroxidase (GSH-Px) in blood plasma and (iii) the activities of SOD, GR and lactoperoxidase (LPO) in milk of goats...
April 26, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28439902/concentrated-lyophilized-plasma-used-for-reconstitution-of-whole-blood-leads-to-higher-coagulation-factor-activity-but-unchanged-thrombin-potential-compared-with-fresh-frozen-plasma
#14
Giacomo E Iapichino, Martin Ponschab, Janne Cadamuro, Susanne Süssner, Christian Gabriel, Benjamin Dieplinger, Margot Egger, Christoph J Schlimp, Soheyl Bahrami, Herbert Schöchl
BACKGROUND: During massive hemorrhage, it is recommended to transfuse red blood cells, platelet concentrate, and fresh-frozen plasma in a ratio close to 1:1:1. To avoid the thawing process of fresh frozen plasma, lyophilized plasma (LP) is increasingly used. Evidence is limited on the activity of coagulation factors in reconstituted blood using LP and concentrated LP versions. STUDY DESIGN AND METHODS: Whole blood from ten healthy volunteers was separated into red blood cell, fresh frozen plasma, and platelet concentrate units...
April 25, 2017: Transfusion
https://www.readbyqxmd.com/read/28431025/1h-magnetic-resonance-spectroscopy-of-live-human-sperm
#15
S Reynolds, S J Calvert, M N Paley, A A Pacey
STUDY QUESTION: Can 1H Magnetic Resonance Spectroscopy (MRS) be used to obtain information about the molecules and metabolites in live human spermatozoa? SUMMARY ANSWER: Percoll-based density gradient centrifugation (DGC) followed by a further two washing steps, yielded enough sperm with minimal contamination (<0.01%) from seminal fluid to permit effective MRS which detected significant differences (p < 0.05) in the choline/glycerophosphocholine, lipid and lactate regions of the 1H MRS spectrum between sperm in the pellet and those from the 40/80% interface...
April 18, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28427352/point-of-sampling-detection-of-zika-virus-within-a-multiplexed-kit-capable-of-detecting-dengue-and-chikungunya
#16
Ozlem Yaren, Barry W Alto, Priyanka V Gangodkar, Shatakshi R Ranade, Kunal N Patil, Kevin M Bradley, Zunyi Yang, Nikhil Phadke, Steven A Benner
BACKGROUND: Zika, dengue, and chikungunya are three mosquito-borne viruses having overlapping transmission vectors. They cause diseases having similar symptoms in human patients, but requiring different immediate management steps. Therefore, rapid (< one hour) discrimination of these three viruses in patient samples and trapped mosquitoes is needed. The need for speed precludes any assay that requires complex up-front sample preparation, such as extraction of nucleic acids from the sample...
April 20, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28365649/clinical-application-of-prothrombin-complex-concentrate-in-blood-management-in-patients
#17
Sherri Ozawa, Tiffany Nelson
Management of patients receiving anticoagulants is a major factor in achieving better outcomes. Anticoagulant therapy may need to be discontinued or rapidly reversed before urgent surgery or invasive procedures. In these situations, treatment with concentrated vitamin K, fresh frozen plasma, and/or clotting factors can achieve more rapid anticoagulant reversal than can drug discontinuation alone. Activated prothrombin complex concentrate is used to treat hemophiliac patients with acquired factor VIII inhibitors...
April 2017: Critical Care Nurse
https://www.readbyqxmd.com/read/28304137/influence-of-apixaban-on-commonly-used-coagulation-assays-results-from-the-belgian-national-external-quality-assessment-scheme
#18
M Van Blerk, E Bailleul, B Chatelain, A Demulder, K Devreese, J Douxfils, M Jacquemin, K Jochmans, F Mullier, W Wijns, B China, K Vernelen, M R Soumali
INTRODUCTION: The Belgian national External Quality Assessment Scheme performed a survey to assess the effect of the direct oral anticoagulant apixaban on the coagulation assays prothrombin time (PT), activated partial thromboplastin time (aPTT), fibrinogen and antithrombin as performed with a large number of reagent/instrument combinations. METHODS: Four lyophilized plasma samples spiked with apixaban (0, 41, 94 and 225 ng/mL) were sent to the 195 Belgian and Luxembourg clinical laboratories performing coagulation testing...
March 17, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28291661/evaluation-of-a-novel-system-for-analyzing-hydrophilic-blood-metabolites
#19
Shin Nishiumi, Keisuke Shima, Takeshi Azuma, Masaru Yoshida
Metabolomics has recently been developed, and there have been a considerable number of metabolomics-based biomarker studies in the medical research field. Therefore, as a first step toward the practical use of metabolite biomarkers, a simple and quick sample preparation method involving metabolite extraction, metabolite measurement, and data analysis needs to be developed. In this study, we evaluated whether the use of simpler metabolite extraction methods would facilitate the stable analysis of hydrophilic blood metabolites during liquid chromatography/triple quadrupole mass spectrometry (LC/QqQMS)-based metabolome analysis...
March 10, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/28288933/effect-of-lyophilized-prune-extract-on-hyperhomocysteinemia-in-mice
#20
Hayate Haddadi-Guemghar, Asma Tlili, Julien Dairou, Jean-Louis Paul, Khodir Madani, Nathalie Janel
Altered homocysteine metabolism defined as hyperhomocysteinemia is implicated as pathogenic factor in several cardiovascular diseases and atherosclerosis. The purpose of this study was to investigate the efficacy of prune extract, a good source of phenolic antioxidants, on lowering plasma homocysteine level in male hyperhomocysteinemic mice from average weight of 28 g. The administration of lyophilized prune extract was carried out by intraperitoneal injection one day preceding and one hour before sacrifice of mice...
May 2017: Food and Chemical Toxicology
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