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https://www.readbyqxmd.com/read/29048849/-preparation-and-evaluation-of-hydrophilic-interaction-reversed-phase-mixed-mode-chromatographic-packing-based-on-polylsilsesquioxane-microspheres
#1
Qiannan Lü
Hydrophilic interaction (HILIC)/reversed-phase (RPLC) mixed-mode chromatography is widely used in separating both hydrophobic and hydrophilic compounds, but its pH range is limited which is harmful to the separation of alkaline drugs. Monodispersed and porous cysteine-modified vinyl functionalized polymethylsilsesquioxane (C-V-PMSQ) microspheres were prepared by thiol-ene click chemistry. Elemental analysis revealed that cysteine was successfully bonded to the surface of microspheres. C-V-PMSQ microspheres had excellent monodispersity, favorable chemical stability and simple preparation process...
September 8, 2017: Se Pu, Chinese Journal of Chromatography
https://www.readbyqxmd.com/read/29048378/analysis-of-non-volatile-chemical-constituents-of-menthae-haplocalycis-herba-by-ultra-high-performance-liquid-chromatography-high-resolution-mass-spectrometry
#2
Lu-Lu Xu, Jing-Jing Xu, Kun-Rui Zhong, Zhan-Peng Shang, Fei Wang, Ru-Feng Wang, Le Zhang, Jia-Yu Zhang, Bin Liu
Menthae Haplocalycis herba, one kind of Chinese edible herbs, has been widely utilized for the clinical use in China for thousands of years. Over the last decades, studies on chemical constituents of Menthae Haplocalycis herba have been widely performed. However, less attention has been paid to non-volatile components which are also responsible for its medical efficacy than the volatile constituents. Therefore, a rapid and sensitive method was developed for the comprehensive identification of the non-volatile constituents in Menthae Haplocalycis herba using ultra-high performance liquid chromatography coupled with linear ion trap-Orbitrap mass spectrometry (UHPLC-LTQ-Orbitrap)...
October 19, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29046768/smartphones-and-e-tablets-in-perioperative-medicine
#3
REVIEW
Frederic Michard
Smartphones and electronic tablets (e-tablets) have become ubiquitous devices. Their ease of use, smartness, accessibility, mobility and connectivity create unique opportunities to improve quality of surgical care from prehabilitation to rehabilitation. Before surgery, digital applications (Apps), serious games and text messaging may help for a better control of risk factors (hypertension, overweight), for smoking cessation, and for optimizing adherence to preoperative recommendations (e.g., regarding anticoagulation or antihypertensive treatments)...
October 2017: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/29046028/-aria-2016-executive-summary-integrated-care-pathways-for-predictive-medicine-throughout-the-life-cycle-in-argentina
#4
Juan Carlos Ivancevich, Hugo Neffen, Mario E Zernotti, Estrella Asayag, Ariel Blua, Alberto Cicerán, Edgardo J Jares, Alberto J Lavrut, Jorge F Máspero, Ioana Agache, Claus Bachert, Anna Bedbrook, Giorgio W Canonica, Thomas B Casale, Álvaro A Cruz, Wytske J Fokkens, Peter W Hellings, Boleslaw Samolinski, Jean Bousquet
The ARIA initiative was started during a World Health Organization workshop in 1999. The initial goals were to propose a new classification for allergic rhinitis, to promote the concept of multi-morbidity in asthma and rhinitis and to develop guidelines with stakeholders for world-wide use. ARIA is now focused on the implementation of emerging technologies for individualized and predictive medicine. MASK: MACVIA-Aria Sentinel Network uses mobile technology to develop care pathways that enable management by a multidisciplinary group or by patients themselves...
July 2017: Revista Alergia Mexico: Organo Oficial de la Sociedad Mexicana de Alergia e Inmunología, A.C
https://www.readbyqxmd.com/read/29045617/purification-of-four-flavonoid-glycosides-from-lotus-nelumbo-nucifera-gaertn-plumule-by-macroporous-resin-combined-with-hsccc
#5
Lei Wu, Wei Xiong, Ju-Wu Hu, Zhen Gu, Jian-Guo Xu, Chuan-Ling Si, Young-Soo Bae, Gang Xu
High-speed counter-current chromatography (HSCCC) combined with macroporous resin (MR) column was successfully applied to the isolation and purification of four flavonoid glycosides from the medicinal herb Lotus plumule (LP). A polar two-phase solvent system composed of ethyl acetate-n-butanol-water (1:2:3, v/v/v) was selected by high-performance liquid chromatography (HPLC) and run on a preparative scale where the lower aqueous phase was used as the mobile phase with a head-to-tail elution mode. Quercetin-3-O-β-D-glucopyranoside (15 mg), isorhamnetin-3-O-β-D-glucopyranoside (13 mg), apigenin 6-C-β-D-glucopyranosyl-8-C-α-L-arabinopyranoside (18 mg) and apigenin 6,8-di-C-β-D-glucopyranoside (48 mg) were obtained in a one-step HSCCC separation from 240 mg of the sample...
October 17, 2017: Journal of Chromatographic Science
https://www.readbyqxmd.com/read/29045078/skin-tears-and-risk-factors-assessment-a-systematic-review-on-evidence-based-medicine
#6
Raffaele Serra, Nicola Ielapi, Andrea Barbetta, Stefano de Franciscis
Skin tears represent a common condition of traumatic wounds, which may be encountered in some categories of individuals at the extremes of age, such as infants and the elderly. Despite the high prevalence and cost of these lesions, there has been little investigation into the risk factors that lead to this condition. The aim of this review was to systematically evaluate the main risk factors involved in development of skin tears. We planned to include all the studies dealing with risk factors related to skin tears...
October 17, 2017: International Wound Journal
https://www.readbyqxmd.com/read/29042823/digital-health-technology-for-use-in-patients-with-serious-mental-illness-a-systematic-review-of-the-literature
#7
REVIEW
Sonal Batra, Ross A Baker, Tao Wang, Felicia Forma, Faith DiBiasi, Timothy Peters-Strickland
BACKGROUND: As the capabilities and reach of technology have expanded, there is an accompanying proliferation of digital technologies developed for use in the care of patients with mental illness. The objective of this review was to systematically search published literature to identify currently available health technologies and their intended uses for patients with serious mental illness. MATERIALS AND METHODS: The Medline, Embase, and BIOSIS Previews electronic databases were searched to identify peer-reviewed English language articles that reported the use of digital, mobile, and other advanced technology in patients with schizophrenia/schizoaffective disorder, bipolar disorder, and major depressive disorder...
2017: Medical Devices: Evidence and Research
https://www.readbyqxmd.com/read/29039503/inhibitory-effects-of-lupane%C3%A2-type-triterpenoid-saponins-from-the-leaves-of-acanthopanax%C3%A2-gracilistylus-on-lipopolysaccharide-induced-tnf%C3%A2-%C3%AE-il%C3%A2-1%C3%AE-and-high%C3%A2-mobility-group-box-1-release-in-macrophages
#8
Qin-Peng Zou, Xiang-Qian Liu, Jian-Jun Huang, Chang-Soo Yook, Wan-Kyunn Whang, Hyeong-Kyu Lee, Ok-Kyoung Kwon
Acanthopanax gracilistylus (AGS) has long been used in traditional Chinese medicine for the treatment of various inflammatory diseases. 3‑O‑β‑D‑glucopyranosyl 3α, 11α‑dihydroxylup‑20(29)‑en‑28‑oic acid, acantrifoside A, acankoreoside D, acankoreoside B and acankoreoside A are major lupane‑type triterpenoid saponins derived from AGS. In the present study, these five saponins were isolated from AGS by chromatography and their anti‑inflammatory activities were investigated in lipopolysaccharide (LPS)‑treated RAW264...
October 11, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29039368/connecting-parents-to-a-pediatric-emergency-department-designing-a-mobile-app-based-on-patient-centred-care-principles
#9
Frederic Ehrler, Johan N Siebert, Jessica Rochat, Franck Schneider, Annick Galetto, Alain Gervaix, Christian Lovis
INTRODUCTION: Patient centred care fosters a holistic approach of care switching the focus from a disease perspective to a patient's experience perspective. Patient centred care is of particular importance in the context of paediatric emergency medicine. Indeed, parents entering a paediatric emergency department (PED) are usually under stress caused by their children's illness, the unfamiliar setting of the PED and delays of care. All these factors can deteriorate their experience as well as the relationships between healthcare providers, the patients and their parents...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/29031783/antidiabetic-effect-of-achillea-millefollium-through-multitarget-interactions-%C3%AE-glucosidases-inhibition-insulin-sensitization-and-insulin-secretagogue-activities
#10
Fabiola Chávez-Silva, Litzia Cerón-Romero, Luis Arias-Durán, Gabriel Navarrete-Vázquez, Julio Almanza-Pérez, Rubén Román-Ramos, Guillermo Ramírez-Ávila, Irene Perea-Arango, Rafael Villalobos-Molina, Samuel Estrada-Soto
ETHNOPHARMACOLOGICAL IMPORTANCE: Achillea millefolium L. (Asteraceae) is a perennial herb used in Mexican folk medicine for treatment of several pathologies, including inflammatory and spasmodic gastrointestinal disorders, hepatobiliary complaints, overactive cardiovascular, respiratory ailments and diabetes. AIM OF THE STUDY: To evaluate the potential antidiabetic effect in vivo and to establish the potential mode of action through in vitro approaches of Achillea millefolium...
October 12, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29030447/housefly-musca-domestica-and-blow-fly-protophormia-terraenovae-as-vectors-of-colistin-resistance-genes-carrying-bacteria
#11
Jilei Zhang, Jiawei Wang, Li Chen, Afrah Kamal Yassin, Patrick Kelly, Patrick Butaye, Jing Li, Jiansen Gong, Russell Cattley, Kezong Qi, Chengming Wang
Flies have the capacity to transfer pathogens between different environments, acting as one of the most important vectors of human diseases worldwide. In this study, we trapped flies on a university campus and tested them for mobile resistance genes against colistin, a last-resort antibiotic in human medicine for treating clinical infections caused by multidrug-resistant Gram-negative bacteria. Quantitative PCRs we developed showed that 34.1% of Musca domestica (86/252) and 51.1% of Protophormia terraenovae (23/45) were positive for the mcr-1, 1...
October 13, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29027676/toxicokinetics-of-strychnine-and-brucine-after-the-oral-administration-of-biqi-capsule-to-rats-by-rrlc-ms-ms
#12
Hao Zheng, Zhe Wang, Wenwei Liu, Hongtao Jin, Jinlan Zhang
Biqi capsule is a well-known traditional Chinese medicine (TCM) formula that has been widely applied for the clinical treatment of such diseases as rheumatoid arthritis, scapulohumeral periarthritis, and cervical spondylopathy. However, there is concern regarding the toxicity of Biqi capsule due to its active ingredients, strychnine and brucine. To investigate the toxicokinetics of strychnine and brucine after the oral administration of Biqi capsule to rats, a sensitive and simple rapid-resolution liquid chromatography/tandem mass spectrometry (RRLC-MS/MS) method was developed to determine the levels of strychnine and brucine in rat plasma...
October 13, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/29020721/artefact-mimicking-torsades-treat-the-patient-not-the-ecg
#13
Una Bergin, Richard M Lynch
ECG interpretation is an essential skill in the management of the acutely unwell patient and in addition to history taking and physical examination has been shown to have a significant effect on referral patterns to cardiologists. One of the basic initial steps in ECG interpretation is assessment for the presence of artefact which if present can dramatically influence the diagnosis. The most common sources of artefact are tremor e.g. in Parkinson’s disease, loose skin electrodes and electromagnetic interference from other medical devices and mobile phones...
February 2017: Practitioner
https://www.readbyqxmd.com/read/29017994/utilizing-consumer-health-informatics-to-support-management-of-hypertension-by-clinical-pharmacists-in-primary-care-study-protocol
#14
Lorraine R Buis, Dana N Roberson, Reema Kadri, Nicole G Rockey, Melissa A Plegue, Hae Mi Choe, Caroline R Richardson
BACKGROUND: Hypertension (HTN) is a major public health concern in the United States given its wide prevalence, high cost, and poor rates of control. Multiple strategies to counter this growing epidemic have been studied, and home blood pressure (BP) monitoring, mobile health (mHealth) interventions, and referrals to clinical pharmacists for BP management have all shown potential to be effective intervention strategies. OBJECTIVE: The purpose of this study is to establish feasibility and acceptability of BPTrack, a clinical pharmacist-led mHealth intervention that aims to improve BP control by supporting home BP monitoring and medication adherence among patients with uncontrolled HTN...
October 10, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/29017452/whole-genome-sequencing-for-the-molecular-characterization-of-carbapenem-resistant-klebsiella-pneumoniae-strains-isolated-at-the-italian-asst-fatebenefratelli-sacco-hospital-2012-2014
#15
Sara Giordana Rimoldi, Bernardina Gentile, Cristina Pagani, Annamaria Di Gregorio, Anna Anselmo, Anna Maria Palozzi, Antonella Fortunato, Valentina Pittiglio, Anna Lisa Ridolfo, Maria Rita Gismondo, Giuliano Rizzardini, Florigio Lista
BACKGROUND: The emergence of carbapenem-resistant Klebsiella pneumoniae strains is threatening antimicrobial treatment. METHODS: Sixty-eight carbapenemase-producing K. pneumoniae strains isolated at Luigi Sacco University Hospital-ASST Fatebenefratelli Sacco (Milan, Italy) between 2012 and 2014 were characterised microbiologically and molecularly. They were tested for drug susceptibility and carbapenemase phenotypes, investigated by means of repetitive extra-genic palindromic polymerase chain reaction (REP-PCR), and fully sequenced by means of next-generation sequencing for the in silico analysis of multi-locus sequence typing (MLST), their resistome, virulome and plasmid content, and their core single nucleotide polymorphism (SNP) genotypes...
October 10, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29017389/the-canadian-laboratory-initiative-on-pediatric-reference-intervals-a-caliper-white-paper
#16
Khosrow Adeli, Victoria Higgins, Karin Trajcevski, Nicole White-Al Habeeb
Laboratory investigations provide physicians with objective data to aid in disease diagnosis, clinical decision making, and patient follow up. Clinical interpretation of laboratory test results relies heavily on the availability of appropriate population-based reference intervals (i.e. normative values) or decision limits developed through clinical outcome studies. Although reference intervals are fundamental to accurate laboratory test interpretation, and thus critically important to healthcare, the need for sound evidence-based reference intervals has been largely overlooked, particularly in the pediatric population...
October 11, 2017: Critical Reviews in Clinical Laboratory Sciences
https://www.readbyqxmd.com/read/28992873/the-rapid-disaster-evaluation-system-rades-a-plan-to-improve-global-disaster-response-by-privatizing-the-assessment-component
#17
Kenneth V Iserson
BACKGROUND: Emergency medicine personnel frequently respond to major disasters. They expect to have an effective and efficient management system to elegantly allocate available resources. Despite claims to the contrary, experience demonstrates this rarely occurs. OBJECTIVES: This article describes privatizing disaster assessment using a single-purposed, accountable, and well-trained organization. The goal is to achieve elegant disaster assessment, rather than repeatedly exhorting existing groups to do it...
September 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28991760/centenary-of-the-birth-of-academician-prof-dr-isak-tadzer-founder-of-the-pathophysiology-and-nuclear-medicine-in-macedonia
#18
Borislav Karanfilski
Academician Prof. Dr. Isak Tadzer was born a hundred years ago on December 24, 1916 in Sofia. He completed the primary and secondary education at the German College in Sofia. In 1935 he began his studies at the Medical Faculty in Vienna, which he had to stop because of the annexation of Austria to Germany in 1938. He returned to Bulgaria where he continued his studies and graduated from the Medical Faculty in Sofia in 1941. During the War, 1941-1944, he was forcedly mobilized and he worked as a doctor in several villages...
September 1, 2017: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
https://www.readbyqxmd.com/read/28991533/an-uhplc-ms-ms-method-for-simultaneous-determination-of-quercetin-3-o-rutinoside-kaempferol-3-o-rutinoside-isorhamnetin-3-o-rutinoside-bilobalide-and-ligustrazine-in-rat-plasma-and-its-application-to-pharmacokinetic-study-of-xingxiong-injection
#19
Li-Li Dou, Li Duan, Long Guo, Le-Le Liu, Yu-Dong Zhang, Ping Li, E-Hu Liu
The present study was designed to develop and validate a rapid, sensitive, and reliable ultra-high performance liquid chromatography coupled with tandem mass spectrometry (UHPLC-MS/MS) method for the simultaneous determination of five major active constituents in the traditional Chinese medicinal preparation Xingxiong injection (XXI) in rat plasma, including quercetin 3-O-rutinoside (QCR), kaempferol 3-O-rutinoside (KFR), isorhamnetin 3-O-rutinoside (ISR), bilobalide (BB), and ligustrazine (LGT). The plasma samples were pretreated by protein precipitation with acetonitrile...
September 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28982316/platelet-oxidative-stress-and-its-relationship-with-cardiovascular-diseases-in-type-2-diabetes-mellitus-patients
#20
Mohammed El Haouari
Enhanced platelet activation and thrombosis are linked to various cardiovascular diseases. Among other mechanisms, oxidative stress seems to play a pivotal role in platelet hyperactivity. Indeed, upon stimulation by physiological agonists, human platelets generate and release several types of reactive oxygen species (ROS) such as O2-, H2O2 or OH- , further amplifying the platelet activation response via various signalling pathways, including, formation of isoprostanes, Ca2+ mobilization and NO inactivation...
October 5, 2017: Current Medicinal Chemistry
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