Search Within
Applied Filters:
Showing 1-30 of 868 results for "


" within Papers
Sort by Relevance
Kara M Zabetakis et al.
Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering, 50(8), 794-805 (2015-06-02)
The microbiological impact of zero-valent iron used in the remediation of groundwater was investigated by exposing a trichloroethylene-degrading anaerobic microbial community to two types of iron nanoparticles. Changes in total bacterial and archaeal population numbers were analyzed using qPCR and
Sung Hyun Kim et al.
PloS one, 10(1), e0115611-e0115611 (2015-01-22)
RecA proteins form a long stable filament on a single-stranded DNA and catalyze strand exchange reaction. The stability of RecA filament changes dramatically with pH, yet its detailed mechanism is not known. Here, using a single molecule assay, we determined
Magdalene H Y Tang et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 969, 272-284 (2014-09-10)
Novel psychoactive substances (NPS) are becoming increasingly popular worldwide in recent years, some of which have been reported to cause considerable harm and even fatalities. Currently, simultaneous screening for a comprehensive panel of conventional and novel drugs of abuse is
Hong Sik Yoo et al.
Toxicological sciences : an official journal of the Society of Toxicology, 147(2), 339-349 (2015-07-03)
Exposure to the ubiquitous environmental contaminant trichloroethylene (TCE) is associated with cancer and non-cancer toxicity in both humans and rodents. Peroxisome proliferator-activated receptor-alpha (PPARα) is thought to be playing a role in liver toxicity in rodents through activation of the
Huijuan Zhang et al.
Biomaterials, 37, 353-366 (2014-12-03)
Artesunate (AS) is an iron-dependent drug, which has been used extensively as anti-malarial drugs worldwide with no obvious side effects. Recently, studies have shown that AS also possess profound cytotoxicity against tumor cells. However, simultaneous delivery of hydrophobic AS and
Costanza Giampietro et al.
Nature communications, 6, 8479-8479 (2015-10-09)
Vascular lumen formation is a fundamental step during angiogenesis; yet, the molecular mechanisms underlying this process are poorly understood. Recent studies have shown that neural and vascular systems share common anatomical, functional and molecular similarities. Here we show that the
Denis Fourches et al.
Chemical research in toxicology, 23(1), 171-183 (2009-12-18)
Drug-induced liver injury is one of the main causes of drug attrition. The ability to predict the liver effects of drug candidates from their chemical structures is critical to help guide experimental drug discovery projects toward safer medicines. In this
Christina Krabbe et al.
PloS one, 9(5), e96465-e96465 (2014-05-03)
Neural stem cells (NSCs) constitute a promising source of cells for transplantation in Parkinson's disease (PD), but protocols for controlled dopaminergic differentiation are not yet available. Here we investigated the influence of oxygen on dopaminergic differentiation of human fetal NSCs
João Pedro Amorim et al.
STAR protocols, 1(3), 100208-100208 (2020-12-31)
Since its first application for site-directed mutagenesis, the CRISPR-Cas9 system has revolutionized genome engineering. Here, we present a validated workflow for the generation of targeted genomic deletions in zebrafish, including the design, cloning, and synthesis of single-guide RNAs and Cas9
Christin Siewert et al.
PloS one, 9(4), e94391-e94391 (2014-04-15)
'Candidatus Phytoplasma mali' is a phytopathogenic bacterium of the family Acholeplasmataceae assigned to the class Mollicutes. This causative agent of the apple proliferation colonizes in Malus domestica the sieve tubes of the plant phloem resulting in a range of symptoms
P D'Incecco et al.
Journal of dairy science, 98(8), 5164-5172 (2015-06-09)
Clostridium tyrobutyricum is the main spoilage agent of late blowing defect (LBD) in Grana Padano and Parmigiano-Reggiano cheeses; LBD is characterized by openings and holes and is sometimes accompanied by cracks and an undesirable flavor. Even a very few spores
Nicolae Vaszilcsin et al.
International journal of pharmaceutics, 431(1-2), 241-244 (2012-05-09)
This paper presents a method of expired or unused drugs valorization as corrosion inhibitors for metals in various media. Cyclic voltammograms were drawn on platinum in order to assess the stability of pharmaceutically active substances from drugs at the metal-corrosive
Aránzazu Mediero et al.
Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research, 30(5), 837-854 (2014-12-09)
Bone metabolism is a vital process that involves resorption by osteoclasts and formation by osteoblasts, which is closely regulated by immune cells. The neuronal guidance protein Netrin-1 regulates immune cell migration and inflammatory reactions, but its role in bone metabolism
Celalettin Semih Kunak et al.
Oxidative medicine and cellular longevity, 2015, 598162-598162 (2015-08-04)
Ischemia-reperfusion (I/R) damage is known to be a pathological process which continues with the increase of oxidants and expands with the inflammatory response. There is not any study about protective effect of etoricoxib on the liver I/R damage in literature.
Tomohiro Torii et al.
Glycoconjugate journal, 31(9), 671-683 (2014-11-25)
Oligosaccharides of glycoproteins expressed on the cell surface play important roles in cell-cell interactions, particularly sialylated N-glycans having a negative charge, which interact with sialic acid-binding immunoglobulin-like lectins (siglecs). The entire structure of sialylated N-glycans expressed in the mouse brain
Aifen Zhou et al.
The ISME journal, 9(11), 2360-2372 (2015-04-08)
To investigate the genetic basis of microbial evolutionary adaptation to salt (NaCl) stress, populations of Desulfovibrio vulgaris Hildenborough (DvH), a sulfate-reducing bacterium important for the biogeochemical cycling of sulfur, carbon and nitrogen, and potentially the bioremediation of toxic heavy metals
Amanda L Hughes et al.
G3 (Bethesda, Md.), 5(9), 1889-1897 (2015-07-16)
Packaging of genomic DNA into nucleosomes is nearly universally conserved in eukaryotes, and many features of the nucleosome landscape are quite conserved. Nonetheless, quantitative aspects of nucleosome packaging differ between species because, for example, the average length of linker DNA
Guadalupe Chavarría et al.
Food additives & contaminants. Part B, Surveillance, 8(2), 128-135 (2015-06-26)
Aflatoxins are toxic fungal metabolites, which can be found in feed. Aflatoxin M1 (AFM1) is excreted into milk when ruminants ingest aflatoxin B1 contaminated feedstuffs. Due to its carcinogenic potential, contamination of milk and dairy products with AFM1 may pose
Elisabetta Buommino et al.
Journal of medical microbiology, 64(Pt 2), 180-184 (2015-01-30)
Malassezia pachydermatis is part of the normal cutaneous microbiota of most warm-blooded vertebrates and is associated with otitis externa and seborrhoeic dermatitis in dogs and cats. In this study, we evaluated the growth capacity of nine M. pachydermatis strains on
Xin Hu et al.
Journal of pharmaceutical and biomedical analysis, 112, 15-22 (2015-05-06)
The complexity of natural products always leads to the co-elution of interfering compounds with bioactive compounds, which then has a detrimental effect on structural elucidation. Here, a new method, based on selective solid phase extraction combined with 1,1-diphenyl-2-picrylhydrazyl radical (DPPH)
Pamela Romo-Rodríguez et al.
Chemosphere, 134, 563-570 (2015-01-13)
The Cr(VI) reducing capability of growing cells of the environmental A. tubingensis Ed8 strain is remarkably efficient compared to reference strains A. niger FGSC322 and A. tubingensis NRRL593. Extracellular glucose oxidase (GOX) activity levels were clearly higher in colonies developed
Jianhua Xu et al.
The journal of physical chemistry. B, 119(11), 4230-4239 (2015-02-25)
Time dependent fluorescence Stokes (emission wavelength) shifts (TDFSS) from tryptophan (Trp) following sub-picosecond excitation are increasingly used to investigate protein dynamics, most recently enabling active research interest into water dynamics near the surface of proteins. Unlike many fluorescence probes, both
Jimmy E Becerra et al.
Applied and environmental microbiology, 81(11), 3880-3888 (2015-03-31)
L-Fucose is a sugar present in human secretions as part of human milk oligosaccharides, mucins, and other glycoconjugates in the intestinal epithelium. The genome of the probiotic Lactobacillus rhamnosus GG (LGG) carries a gene cluster encoding a putative L-fucose permease
Robert A Hartman et al.
Journal of orthopaedic research : official publication of the Orthopaedic Research Society, 33(8), 1255-1264 (2015-04-14)
Mechanical loading is a salient factor in the progression of spinal disorders that contribute to back pain. Biological responses to loading modes like flexion/extension (F/E) in relevant spinal tissues remain unstudied. A novel, multi-axial experimental system was developed to subject
Juana Rodríguez et al.
Electrophoresis, 36(14), 1580-1587 (2015-04-16)
A rapid, sensitive, and specific method was developed and validated using a nonaqueous-capillary electrophoresis method with TOF-MS for determination of sunitinib and N-desethyl sunitinib in human urine. In order to avoid ionic suppression a urine samples dilution with methanol 1:10
Vikranth Volli et al.
Journal of hazardous materials, 297, 101-111 (2015-05-10)
This work discusses the utilization of flyash for synthesis of heterogeneous catalyst for transesterification. Different types of zeolites were synthesized from alkali fusion followed by hydrothermal treatment of coal flyash as source material. The synthesis conditions were optimized to obtain
Michael Ladomery et al.
Biochimica et biophysica acta, 1849(11), 1363-1373 (2015-10-13)
Oocytes accumulate mRNAs in the form of maternal ribonucleoprotein (RNP) particles, the protein components of which determine the location and stability of individual mRNAs prior to translation. Scd6/Lsm14 proteins, typified by RAP55, function in a wide range of eukaryotes in
Curtis R Coughlin et al.
Journal of medical genetics, 52(8), 532-540 (2015-03-20)
Mitochondrial disease is often suspected in cases of severe epileptic encephalopathy especially when a complex movement disorder, liver involvement and progressive developmental regression are present. Although mutations in either mitochondrial DNA or POLG are often present, other nuclear defects in
Hassan M Albishri et al.
Journal of chromatographic science, 53(7), 1123-1130 (2014-12-30)
Two cyclodextrin micellar liquid chromatographic methods were developed and applied to the simultaneous determination of bisoprolol/hydrochlorothiazide and atenolol/chlorthalidone combinations in urine matrices without sample pretreatment. These combined β-blockers and diuretics chemotherapies are commonly used in the treatment of hypertension and
Xiaorong Huang et al.
Plant methods, 16, 10-10 (2020-02-07)
Covalent modifications of histones and histone variants have great influence on chromatin structure, which is involved in the transcriptional regulation of gene expression. Chromatin immunoprecipitation (ChIP) is a powerful tool for studying in vivo DNA-histone interactions. Strawberry is a model
Page 1 of 29
Page 1 of 29