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Sara Hosseininasab et al.
Chemical biology & drug design, 84(3), 307-315 (2014-04-02)
Therapeutic proteins and peptides are corresponding to a major area of research in biotechnology companies and current pharmaceutical. Because of their natural instability, the enormous majority of these drugs require parentéral administration. Oral insulin delivery would be a highly attractive
Raúl Pérez-Ortuño et al.
Analytical and bioanalytical chemistry, 407(28), 8463-8473 (2015-09-08)
A straightforward, high-throughput method was developed and fully validated for the simultaneous determination of the specific tobacco biomarkers nicotine and its main metabolite cotinine in a wide dynamic range and supporting the most common human biological matrices (urine, oral fluid
Long Ji et al.
Steroids, 78(9), 860-865 (2013-05-21)
In the present study, it was demonstrated that the dichloromethane extract of Physalis pubescens L. (DEPP) had weak potential quinone reductase (QR) inducing activity, but an UPLC-ESI-MS method with glutathione (GSH) as the substrate revealed that the DEPP had electrophiles
Manisha Jassal et al.
Journal of biomaterials science. Polymer edition, 26(18), 1425-1438 (2015-09-26)
Functionalized electrospun polymer fibers are a promising candidate for controlled delivery of chemotherapeutic drugs to improve the therapeutic efficacy and to reduce the potential toxic effects by delivering the drug at a rate governed by the physiological need of the
Yan Pan et al.
Journal of ethnopharmacology, 143(2), 586-591 (2012-08-14)
Labisa pumila (LP), popularly known with its local name, Kacip Fatimah, is a well known herb grown in Indochina and Southeast Asia and is traditionally used to regain energy after giving birth in women. The propensity of LP to cause
Nai-Sheng Zhang et al.
Ecotoxicology and environmental safety, 122, 417-425 (2015-09-18)
Home and personal care products (HPCPs) including biocides, benzotriazoles (BTs) and ultraviolet (UV) filters are widely used in our daily life. After use, they are discharged with domestic wastewater into the receiving environment. This study investigated the occurrence of 29
Małgorzata Kupczewska-Dobecka et al.
Medycyna pracy, 59(2), 187-195 (2008-07-26)
In 2007, a new maximum admissible concentration value of 88 mg/m3 was specified for dichloromethane (DCM) in the Polish list of admissible concentrations of harmful chemicals and dusts in the work environment atmosphere. The new value is four times higher
Rieuwert Hoppes et al.
Journal of immunology (Baltimore, Md. : 1950), 193(10), 4803-4813 (2014-10-15)
Virus or tumor Ag-derived peptides that are displayed by MHC class I molecules are attractive starting points for vaccine development because they induce strong protective and therapeutic cytotoxic T cell responses. In thus study, we show that the MHC binding
Guo-Jyun Lai et al.
Carbohydrate polymers, 111, 288-297 (2014-07-20)
Nanofibrous membrane scaffolds of chitosan (CS), silk fibroin (SF) and CS/SF blend were prepared by electrospinning and studied for growth and osteogenic differentiation of human bone marrow mesenchymal stem cells (hMSCs). The morphology and physico-chemical properties of all membrane scaffolds
Myat Noe Hsu et al.
Biomicrofluidics, 9(5), 052601-052601 (2015-04-01)
The poor solubility of many newly discovered drugs has resulted in numerous challenges for the time-controlled release of therapeutics. In this study, an advanced drug delivery platform to encapsulate and deliver hydrophobic drugs, consisting of poly (lactic-co-glycolic acid) (PLGA) nanoparticles
Rajesh Parikh et al.
Drug delivery, 21(6), 406-411 (2013-11-13)
Tuberculosis (TB) is a chronic infectious disease with increasing incidence of drug resistance. Oral treatment for TB and multidrug resistance (MDR)-TB can have serious side effects. The causative agent of TB, Mycobacterium tuberculosis, resides in alveolar macrophages (AM). Pulmonary administration
Hoon Hur et al.
PloS one, 9(6), e98581-e98581 (2014-06-10)
The levels of organic acids representing metabolic pathway end products are important indicators of physiological status, and may be associated with metabolic changes in cancer. The aim of this study is to investigate the levels of organic acids in cancerous
Alberto De Petris et al.
The journal of physical chemistry. B, 119(5), 1919-1929 (2015-01-13)
The iron(III) protoporphyrin IX complex with imidazole, a biologically relevant ligand, occupying an axial position, has been studied by infrared multiple photon dissociation (IRMPD) spectroscopy. The complex has been delivered in gas-phase by electrospray ionization (ESI), mass selected in an
Leila Hejazi et al.
Rapid communications in mass spectrometry : RCM, 29(1), 91-99 (2014-12-03)
Mass spectrometric identification of compounds in chromatography can be obtained from molecular masses from soft ionization mass spectrometry techniques such as field ionization (FI) and fragmentation patterns from hard ionization techniques such as electron ionization (EI). Simultaneous detection by EI
Ziyi Yang et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 88(3), 897-908 (2014-08-12)
The focus of this study was to investigate the effect of processing on the surface crystallization of amorphous molecular dispersions and gain insight into the mechanisms underpinning this effect. The model systems, amorphous molecular dispersions of felodipine-EUDRAGIT® E PO, were
Anusuya Das et al.
PloS one, 9(7), e101276-e101276 (2014-08-01)
In this study, a microgel composed of chitosan and inorganic phosphates was used to deliver poly(lactic-co-glycolic acid) (PLAGA) microspheres loaded with sphingolipid growth factor FTY720 to critical size cranial defects in Sprague Dawley rats. We show that sustained release of
Hironobu Murata et al.
Biomacromolecules, 15(7), 2817-2823 (2014-06-24)
Atom transfer radical polymerization (ATRP)-based protein engineering of chymotrypsin with a cationic polymer was used to tune the substrate specificity and inhibitor binding. Poly(quaternary ammonium) was grown from the surface of the enzyme using ATRP after covalent attachment of a
Zhengyu Cao et al.
Marine drugs, 13(2), 903-919 (2015-02-13)
The frequent occurrence of Moorea producens (formerly Lyngbya majuscula) blooms has been associated with adverse effects on human health. Hoiamide A is a structurally unique cyclic depsipeptide isolated from an assemblage of the marine cyanobacteria M. producens and Phormidium gracile.
Salim Sioud et al.
Rapid communications in mass spectrometry : RCM, 28(22), 2389-2397 (2014-10-11)
The formation of ions during atmospheric pressure photoionization (APPI) mass spectrometry in the positive mode usually provides radical cations and/or protonated species. Intriguingly, during the analysis of some N-alkyl-substituted thieno[3,4-c]pyrrole-4,6-dione (TPD) derivatives synthesized in our laboratory, unusual [M-H](+) ion peaks
Hynek Balcar et al.
Beilstein journal of organic chemistry, 11, 2087-2096 (2015-12-15)
Hoveyda-Grubbs type catalysts with cationic tags on NHC ligands were linker-free immobilized on the surface of lamellar zeolitic supports (MCM-22, MCM-56, MCM-36) and on mesoporous molecular sieves SBA-15. The activity of prepared hybrid catalysts was tested in olefin metathesis reactions:
Marzieh Rashidipour et al.
Journal of AOAC International, 97(4), 1109-1113 (2014-08-26)
Matrix solid-phase dispersion (MSPD) methodology as a quick and easy extraction method has been developed to extract oleuropein from Olea europaea leaves. This method has been compared with conventional maceration and Soxhlet extraction (SOXE) methods. Variables affecting MSPD, such as
A Starobrat et al.
Dalton transactions (Cambridge, England : 2003), 44(45), 19469-19477 (2015-08-06)
We report the most recent results related to application of a metathetic pathway towards mixed-metal borohydrides. The synthetic protocol utilizes highly-fluorinated weakly coordinating anion salts as precursors. We discuss the technicalities related to the use of fluorine-rich anions as well
Jing Ma et al.
Molecular medicine reports, 11(4), 2413-2420 (2014-12-17)
A combination of diagnostic and therapeutic ultrasound (US) techniques may be able to provide the basis of specific therapeutic protocols, particularly for the treatment of tumors. Nanotechnology may aid the progression towards the use of US for tumor diagnosis and
Joyann A Marks et al.
Journal of pharmaceutical sciences, 103(9), 2871-2883 (2014-05-16)
Blends of polymers with complementary properties hold promise for addressing the diverse, demanding polymer performance requirements in amorphous solid dispersions (ASDs), but we lack comprehensive property understanding for blends of important ASD polymers. Herein, we prepare pairwise blends of commercially
Rajesh Kumar et al.
Journal of chromatography. A, 1359, 16-25 (2014-08-02)
A simple, fast and sensitive analytical method using fabric phase sorptive extraction (FPSE) followed by high performance liquid chromatography with fluorescence detection (HPLC-FLD) has been developed for efficient quantification of biologically important molecules e.g., 17α-ethynylestradiol (EE2), β-estradiol (E2) and bisphenol
Julia E Vela-Ramirez et al.
The AAPS journal, 17(1), 256-267 (2014-11-26)
Carbohydrate functionalization of nanoparticles allows for targeting of C-type lectin receptors. This family of pattern recognition receptors expressed on innate immune cells, such as macrophages and dendritic cells, can be used to modulate immune responses. In this work, the in
Radia Bousoumah et al.
Analytical and bioanalytical chemistry, 407(29), 8713-8723 (2015-09-24)
Multi-residue methods permitting the high-throughput and affordable simultaneous determination of an extended range of endocrine disrupting chemicals (EDCs) with reduced time and cost of analysis is of prime interest in order to characterize a whole set of bioactive compounds. Such a
N G R Dayan Elshan et al.
Bioorganic & medicinal chemistry, 23(8), 1841-1848 (2015-03-15)
The synthesis, characterization, and use of Eu-DTPA-PEGO-Trp-Nle-Asp-Phe-NH2 (Eu-DTPA-PEGO-CCK4), a luminescent probe targeted to cholecystokinin 2 receptor (CCK2R, aka CCKBR), are described. The probe was prepared by solid phase synthesis. A Kd value of 17±2nM was determined by means of saturation
Karine Rech Begnini et al.
Journal of medicinal food, 17(10), 1129-1133 (2014-09-18)
Cancer is a leading cause of death and is responsible for one in eight deaths worldwide. The use of herbs as complementary medicine for cancer, especially advanced cancer, has recently increased. The aim of this study was to evaluate in
Nikoleta Stoyanova et al.
Materials science & engineering. C, Materials for biological applications, 41, 119-126 (2014-06-09)
For the first time the preparation of defect-free fibers from immiscible blends of high molar mass poly(lactic acid) (PLA) and poly(butylene succinate) (PBS) in the whole range of the polyester weight ratios is shown. Electrospinning using the solvent-nonsolvent approach proved
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