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https://www.readbyqxmd.com/read/28092854/biopharmaceutical-characterization-of-praziquantel-cocrystals-and-cyclodextrin-complexes-prepared-by-grinding
#1
Martina Cugovčan, Jasna Jablan, Jasmina Lovrić, Dominik Cinčić, Nives Galić, Mario Jug
Mechanochemical activation using several different co-grinding additives was applied as a green chemistry approach to improve physiochemical and biopharmaceutical properties of praziquantel (PZQ). Liquid assisted grinding with an equimolar amount of citric acid (CA), malic acid (MA), salicylic acid (SA) and tartaric acid (TA) gained in cocrystal formation, which all showed pH-dependent solubility and dissolution rate. However, the most soluble cocrystal of PZQ with MA was chemically unstable, as seen during the stability testing...
January 10, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28092474/novel-histone-deacetylase-6-hdac6-selective-inhibitors-a-patent-evaluation-wo2014181137
#2
Claudia A Simões-Pires, Philippe Bertrand, Muriel Cuendet
The invention described in this patent (WO2014181137) is related to hydroxamic acid derivatives with inhibitory activity towards histone deacetylases (HDACs), their synthetic process and pharmaceutical formulations, as well as a method for treating patients suffering from a list of selected tumoral, inflammatory, cardiac and chronic disorders. HDACs are known to deacetylate histones and other proteins, which makes HDAC inhibitors able to affect cell survival, cell signaling, transport, and gene expression. Those effects have been associated to the therapeutic success of HDAC inhibitors...
January 16, 2017: Expert Opinion on Therapeutic Patents
https://www.readbyqxmd.com/read/28092003/validated-electrochemical-and-chromatographic-quantifications-of-some-antibiotic-residues-in-pharmaceutical-industrial-waste-water
#3
Heba K Ibrahim, Mona M Abdel-Moety, Sherif A Abdel-Gawad, Medhat A Al-Ghobashy, Mohamed Abdel Kawy
Realistic implementation of ion selective electrodes (ISEs) into environmental monitoring programs has always been a challenging task. This could be largely attributed to difficulties in validation of ISE assay results. In this study, the electrochemical response of amoxicillin trihydrate (AMX), ciprofloxacin hydrochloride (CPLX), trimethoprim (TMP), and norfloxacin (NFLX) was studied by the fabrication of sensitive membrane electrodes belonging to two types of ISEs, which are polyvinyl chloride (PVC) membrane electrodes and glassy carbon (GC) electrodes...
January 14, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28091995/biodegradability-of-fluoxetine-mefenamic-acid-and-metoprolol-using-different-microbial-consortiums
#4
Yolanda Flores Velázquez, Petia Mijaylova Nacheva
The biodegradation of fluoxetine, mefenamic acid, and metoprolol using ammonium-nitrite-oxidizing consortium, nitrite-oxidizing consortium, and heterotrophic biomass was evaluated in batch tests applying different retention times. The ammonium-nitrite-oxidizing consortium presented the highest biodegradation percentages for mefenamic acid and metoprolol, of 85 and 64% respectively. This consortium was also capable to biodegrade 79% of fluoxetine. The heterotrophic consortium showed the highest ability to biodegrade fluoxetine reaching 85%, and it also had a high potential for biodegrading mefenamic acid and metoprolol, of 66 and 58% respectively...
January 14, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28091784/recognition-of-d-penicillamine-using-schiff-base-centered-fluorescent-organic-nanoparticles-and-application-to-medicine-analysis
#5
Prasad G Mahajan, Govind B Kolekar, Shivajirao R Patil
Schiff base centered fluorescent organic compound 1,1'-[(1E,2E)-hydrazine-1,2-diylidenedi(E)methylylidene]- dinaphthalen-2-ol (HN) was synthesized followed by spectral characterization viz., NMR, IR and Mass spectroscopy. The fluorescent nanoparticles of HN prepared using reprecipitation method shows red shifted aggregation induced enhanced emission (AIEE) with respect to HN solution in acetone. The average particle size of nanoparticles (HNNPs) is of 67.2 nm shows sphere shape morphology. The surfactant cetyltrimethyl ammonium bromide (CTAB) used to stabilize HNNPs induces positive charge surface with zeta potential of 11...
January 14, 2017: Journal of Fluorescence
https://www.readbyqxmd.com/read/28091717/bar-adsorptive-microextraction-technique-application-for-the-determination-of-pharmaceuticals-in-real-matrices
#6
Carlos Almeida, Samir M Ahmad, José Manuel F Nogueira
In the present work, bar adsorptive microextraction using miniaturized devices (7.5 × 3.0 mm) coated with suitable sorbent phases, combined with microliquid desorption (100 μL) followed by high-performance liquid chromatography with diode array detection (BAμE-μLD/HPLC-DAD), is proposed for the determination of trace level of six pharmaceuticals (furosemide, mebeverine, ketoprofen, naproxen, diclofenac and mefenamic acid) in environmental water and urine matrices. By comparing ten distinct sorbent materials (five polymeric and five activated carbons), the polymer P5 proved to be the most suitable to achieve the best selectivity and efficiency...
January 16, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28090718/an-analysis-of-policies-for-cotrimoxazole-amoxicillin-and-azithromycin-use-in-namibia-s-public-sector-findings-and-therapeutic-implications
#7
Dan Kibuule, Mwangana Mubita, Ester Naikaku, Francis Kalemeera, Brian B Godman, Evans Sagwa
BACKGROUND: Despite Namibia's robust medicine use systems and policies, antibiotic use indicators remain suboptimal. Recent medicine use surveys rank cotrimoxazole, amoxicillin and azithromycin (CAA) among the most used medicines. However, there is rising resistance to CAA (55.9%-96.7%). Unfortunately, to date, there have been limited studies evaluating policies to improve antibiotic use in Namibia. AIM: To evaluate public sector pharmaceutical policies and guidelines influencing the therapeutic use of CAA antibiotics in Namibia...
January 16, 2017: International Journal of Clinical Practice
https://www.readbyqxmd.com/read/28090686/effectively-enhancing-cytotoxic-and-apoptotic-effects-of-alpha-momorcharin-by-integrating-a-heparin-binding-peptide
#8
Meng-Jie Tan, Xue-Wei Cao, Peng-Fei Li, Yi-Zhou Zhai, Yu Zhou, Ye-Jun Liu, Jian Zhao, Fu-Jun Wang
Alpha-momorcharin (α-MMC), a type I ribosome inactivating protein, has attracted a great deal attention because of its antitumor activity. However, the cytotoxicity of α-MMC is limited due to insufficient cellular internalization in cancer cells. To enhance the cytotoxicity of α-MMC, a heparin-binding domain derived from HB-EGF (named HBP) was used as a cell-penetrating peptide and fused to the C-terminus of α-MMC. This novel α-MMC-HBP fusion protein was expressed and purified with a Ni(2+) -resin. The N-glycosidase activity and DNase activity assay indicated that the introduction of HBP did not interfere with the intrinsic bioactivities of α-MMC...
January 16, 2017: Biotechnology and Applied Biochemistry
https://www.readbyqxmd.com/read/28090619/the-evolving-approach-to-management-of-cancer-cachexia
#9
REVIEW
Rony Dev, Angelique Wong, David Hui, Eduardo Bruera
Weight loss is distressing to cancer patients and caregivers. Anorexia/cachexia syndrome is characterized by lipolysis and the loss of lean body mass, and is not reversible by increasing caloric intake. The pathophysiology of cancer cachexia is complex and includes symptoms that impact caloric intake, as well as chronic inflammation, hypermetabolism, and hormonal alterations. Cancer patients require routine screening for cachexia and, ideally, interventions should be initiated in the early stages of weight loss...
January 15, 2017: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/28090278/isolation-and-identification-of-phyllospheric-bacteria-possessing-antimicrobial-activity-from-astragalus-obtusifolius-prosopis-juliflora-xanthium-strumarium-and-hippocrepis-unisiliqousa
#10
Zohreh Mazinani, Marzieh Zamani, Soroush Sardari
BACKGROUND: The widespread utilization of antimicrobial compounds has caused emergence of resistant microorganisms in the world. Hence, the research to probe the products with antimicrobial features has led to finding natural habitats and discovering new pharmaceutical products. METHODS: In this study, an attempt was made to explore the niche of novel habitat to isolate pyllospheric bacteria from the above ground parts (stems and leaves) of Astragalus obtusifolius, Prosopis juliflora, Xanthium strumarium, and Hippocrepis unisiliqousa to evaluate their antimicrobial features...
January 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28090157/pharmaceutical-approval-update
#11
Mary Choy
Olaratumab (Lartruvo) for the treatment of soft tissue sarcoma; bezlotoxumab (Zinplava) for use with an antibiotic to reduce recurrence of C. difficile infection; and doxylamine succinate/pyridoxine hydrochloride (Bonjesta) for the treatment of nausea and vomiting during pregnancy.
January 2017: P & T: a Peer-reviewed Journal for Formulary Management
https://www.readbyqxmd.com/read/28090101/a-novel-mathematical-model-for-determining-faculty-workload
#12
Leo R Fitzpatrick, Carol Millette-Snodgrass, Eman Atef
Objective. To develop a mathematical model for determining faculty workload at a college of pharmacy with a team-based learning curriculum. Methods. Using faculty provided data, our model calculated activity and weighted means in teaching, scholarship and service. Subsequently, these data were used to develop departmental and institutional workload models. Results. For the pharmaceutical and biomedical sciences department, percent faculty activity mean values were greatest for service followed by teaching and scholarship...
November 25, 2016: American Journal of Pharmaceutical Education
https://www.readbyqxmd.com/read/28090100/description-and-evaluation-of-an-mpharm-practice-based-experience-pilot-program
#13
Philip Winn, Christopher J Turner
Objective. To determine the level of support among pharmacists in central Scotland to serve as mentors and provide practice-based experience to students enrolled in a master of pharmacy degree program. Methods. A study was conducted during the 2011-2012 academic year in which first-year MPharm students in Scotland were paired with practicing pharmacists for 2 half-day visits per month. The students were integrated into the pharmacy workflow and engaged in activities ranging from date checking to counseling patients...
November 25, 2016: American Journal of Pharmaceutical Education
https://www.readbyqxmd.com/read/28090098/evaluation-of-a-teaching-assistant-program-for-third-year-pharmacy-students
#14
Courtney L Bradley, Julia Khanova, Kelly L Scolaro
Objectives. To determine if a teaching assistant (TA) program for third-year pharmacy students (PY3s) improves confidence in teaching abilities. Additionally, 3 assessment methods (faculty, student, and TA self-evaluations) were compared for similarities and correlations. Methods. An application and interview process was used to select 21 pharmacy students to serve as TAs for the Pharmaceutical Care Laboratory course for 2 semesters. Participants' self-perceived confidence in teaching abilities was assessed at the start, midpoint, and conclusion of the program...
November 25, 2016: American Journal of Pharmaceutical Education
https://www.readbyqxmd.com/read/28089801/physician-exposure-to-direct-to-consumer-pharmaceutical-marketing-potential-for-creating-prescribing-bias
#15
EDITORIAL
Jeffrey L Brown
No abstract text is available yet for this article.
January 12, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28089785/mechanistic-modelling-of-infrared-mediated-energy-transfer-during-the-primary-drying-step-of-a-continuous-freeze-drying-process
#16
Pieter-Jan Van Bockstal, Séverine Thérèse F C Mortier, Laurens De Meyer, Jos Corver, Chris Vervaet, Ingmar Nopens, Thomas De Beer
Conventional pharmaceutical freeze-drying is an inefficient and expensive batch-wise process, associated with several disadvantages leading to an uncontrolled end product variability. The proposed continuous alternative, based on spinning the vials during freezing and on optimal energy supply during drying, strongly increases process efficiency and improves product quality (uniformity). The heat transfer during continuous drying of the spin frozen vials is provided via non-contact infrared (IR) radiation. The energy transfer to the spin frozen vials should be optimised to maximise the drying efficiency while avoiding cake collapse...
January 12, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28089749/pyroglutamate-5-oxoproline-measured-with-hydrophilic-interaction-chromatography-hilic-tandem-mass-spectrometry-in-acutely-ill-patients
#17
Carel J Pretorius, Michael C Reade, Chris Warnholtz, Brett McWhinney, Meng Mei Phua, Jeffrey Lipman, Jacobus P J Ungerer
BACKGROUND: Pyroglutamic acid (PGA) is challenging to quantify in plasma and is a rare cause of metabolic acidosis that is associated with inherited disorders or acquired after exposure to drugs. METHOD: We developed a hydrophilic interaction liquid chromatography tandem mass spectrometry method with a short analysis time. We established a reference interval and then measured PGA in acutely ill patients to investigate associations with clinical, pharmaceutical and laboratory parameters...
January 12, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28089530/algae-mediated-removal-of-selected-pharmaceutical-and-personal-care-products-ppcps-from-lake-mead-water
#18
Xuelian Bai, Kumud Acharya
The persistence and fate of pharmaceutical and personal care products (PPCPs) in the Lake Mead ecosystem are particularly important considering the potential ecological risks and human health impacts. This study evaluated the removal of five common PPCPs (i.e., trimethoprim, sulfamethoxazole, carbamazepine, ciprofloxacin, and triclosan) from Lake Mead water mediated by the green alga Nannochloris sp. The results from the incubation studies showed that trimethoprim and carbamazepine were highly resistant to uptake in the algal cultural medium and were measured at approximately 90%-100% of the applied dose after 14days of incubation...
January 12, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28089343/assessment-of-microvascular-endothelial-function-in-type-1-diabetes-using-laser-speckle-contrast-imaging
#19
Alessandra S de M Matheus, Eliete Leão Silva Clemente, Maria de Lourdes Guimarães Rodrigues, Débora Cristina Torres Valença, Marília B Gomes
OBJECTIVE: To test whether laser speckle contrast imaging (LSCI) coupled with physiological post-occlusive reactive hyperemia (PORH) and pharmacological iontophoresis of acetylcholine (ACh) as local vasodilator stimuli could distinguish between cutaneous microvascular responses of Type 1 Diabetes (T1DM)'s patients with endothelial dysfunction and that of healthy controls. METHODS: Patients with T1DM aged ≥12years completed a clinical-epidemiological questionnaire...
January 3, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/28089286/historical-perspective-on-the-medical-use-of-cannabis-for-epilepsy-ancient-times-to-the-1980s
#20
REVIEW
Daniel Friedman, Joseph I Sirven
There has been a dramatic surge in the interest of utilizing cannabis for epilepsy treatment in the US. Yet, access to cannabis for research and therapy is mired in conflicting regulatory policies and shifting public opinion. Understanding the current state of affairs in the medical cannabis debate requires an examination of the history of medical cannabis use. From ancient Chinese pharmacopeias to the current Phase III trials of pharmaceutical grade cannabidiol, this review covers the time span of cannabis use for epilepsy therapy so as to better assess the issues surrounding the modern medical opinion of cannabis use...
January 11, 2017: Epilepsy & Behavior: E&B
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