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Organophosphorus Compounds (29):
- Phosphoric Acid Esters
- Paraoxon
- Chlorfenvinphos
- Carbamyl Phosphate
- Monocrotophos
- Dichlorvos
- Polyisoprenyl Phosphates
- Phosphinic Acids
- Mevinphos
- Armin
- Diphosphoglyceric Acids
- Phosphoramide Mustards
- Fosinopril
- Aminoethylphosphonic Acid
- Phosphorous Acids
- Phosphamidon
- Hempa
- Diphosphonates
- Tetraisopropylpyrophosphamide
- Tetrachlorvinphos
- Sarin
- Phosphonic Acids
- Soman
- Phosphoranes
- Tritolyl Phosphates
- Phosphines
- Organothiophosphorus Compounds
- Naled
- Isoflurophate
Recent article
Organophosphorus Compounds
Abstract
A sensitive enzymeless organophosphate pesticides (OPs) sensor is fabricated by using Au nanoparticles (AuNPs) decorated graphene nanosheets (GNs) modified glassy carbon electrode as solid phase extraction (SPE). Such a nanostructured composite film, combining the advantages of AuNPs...
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PMID: 21807193
PDF is available here.
PDF is available here.
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Abstract
Novel nanowall arrays of CaCO(3)-chitosan (CaCO(3)-chi) were deposited onto a cathodic substrate by a facile one-step electrodeposition approach. Results demonstrate that chitosan plays an important role in the formation of nanowall arrays. Freestanding well-aligned CaCO(3)-chi nanow...
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PMID: 21674113
PDF is available here.
PDF is available here.
The quarterly journal of nuclear medicine and molecular imaging : official publication of the Italian Association of Nuclear Medicine (AIMN) [and] the International Association of Radiopharmacology (IAR), [and] Section of the Society of... (55)4 2011
Abstract
Bone metastases are responsible for most of the morbidity and mortality associated with solid malignant tumors, occurring in about 65-70% of the patients with advanced breast or prostate cancer. The pathophysiology of skeletal metastasis is a complex process that involves several bio...
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PMID: 21738116
PDF is available here.
PDF is available here.
Organic Letters (13)6 2011
Abstract
In combination with the Bedford Pd precursor, the new biaryl monophosphorus ligand 5 was efficient for palladium-catalyzed Miyaura borylation of sterically hindered aryl bromides at low catalyst loadings.
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PMID: 21319836
PDF is available here.
PDF is available here.
Chemosphere (82)3 2011
Abstract
Pesticides are released intentionally into the environment and, through various processes, contaminate the environment. Three of the main classes of pesticides that pose a serious problem are organochlorines, organophosphates and carbamates. While pesticides are associated with many health effects,...
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PMID: 21055790
PDF is available here.
PDF is available here.
Abstract
This study describes the potential for occupational exposure to organophosphates (OPs) originating from turbine and hydraulic oils, among ground personnel within the aviation industry. The OPs tri-n-butyl phosphate (TnBP), dibutyl phenyl phosphate (DBPP), triphenyl phosphate (TPP) and tricresyl phos...
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PMID: 20949195
PDF is available here.
PDF is available here.
Abstract
In this study, hexachlorocyclotriphosphazene, N(3)P(3)Cl(6) (cylotriphosphazene), was reacted with hydrophilic and hydrophobic groups to synthesize amphiphilic phosphazene derivatives (4-12). Cylotriphosphazene was reacted triethylene glycol monomethyl ether (TEGME), dipropylene glycol monomethyl et...
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PMID: 20938539
PDF is available here.
PDF is available here.
Abstract
Samarium-153 ethylenediamine tetramethylene phosphoric acid (153Sm-EDTMP) is a radiopharmaceutical that has been used to treat osteosarcoma. The authors conducted a phase 2 study to test safety and response of high-risk osteosarcoma to tandem doses of 153Sm-EDTMP and to determine cor...
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PMID: 20715156
PDF is available here.
PDF is available here.
Abstract
At T≥ 140 °C, different primary aromatic amines (pX-C(6)H(4)NH(2); X = H, OCH(3), CH(3), Cl) react with both ethylene- and propylene-carbonates to yield a chemoselective N-alkylation process: bis-N-(2-hydroxyalkyl)anilines [pX-C(6)H(4)N(CH(2)CH(R)OH)(2); R = H, CH(3)] are the major products and t...
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PMID: 20844790
PDF is available here.
PDF is available here.
Journal of Chromatography B (878)30 2010
Abstract
We described here an effective approach termed Enzymatic Digestion-Organic Solvent Extraction (eDOSE) that utilizes the enzymatic approach to disrupt the folded structures of proteins and release entrapped or adsorbed pesticide residues. In this approach, samples were first reduced, alkylated, trypt...
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PMID: 20970391
PDF is available here.
PDF is available here.
Abstract
We report an efficient synthesis of LNA thymine and LNA 5-methylcytosine 5'-phosphoramidites, allowing incorporation of LNA thymine and LNA 5-methylcytosine into oligonucleotides synthesized in the 5'→3' direction. Key steps include regioselective enzymatic benzoylation of the 5'-hydroxy group of...
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PMID: 20820663
PDF is available here.
PDF is available here.
Journal of Biological Chemistry (285)45 2010
Abstract
We found that MitoQ is 30-fold more cytotoxic to breast cancer cells than to healthy mammary cells. MitoQ treatment led to irreversible inhibition of clonogenic growth of breast cancer cells through a combination of autophagy and apoptotic cell death mechanisms. Relatively limited cytotoxicity was s...
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PMID: 20805228
PDF is available here.
PDF is available here.
YAKUGAKU ZASSHI (130)11 2010
Abstract
We have previously found a new member of L-amino acid ligase, RizA, from B. subtilis NBRC3134, a microorganism that produces the peptide-antibiotic rhizocticin. We newly found that a gene at approximately 9 kbp upstream of rizA encoded a novel L-amino acid ligase RizB. Recombinant RizB synthesized h...
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PMID: 21048404
PDF is available here.
PDF is available here.
Military Medicine (175)11 2010
Abstract
Scopolamine (SCP) is an anticholinergic drug used clinically for decades to treat motion sickness, as a surgical preanesthetic, and as a smooth muscle antispasmodic. It has also been used experimentally as a pretreatment and/or treatment adjunct to mitigate the toxic sequelae of organophosphorus (OP...
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PMID: 21121499
PDF is available here.
PDF is available here.
Biodegradation (21)6 2010
Abstract
The biological factors responsible for the microbial breakdown of the organophosphorus nematicide fenamiphos were investigated. Microorganisms responsible for the enhanced degradation of fenamiphos were isolated from soil that had a long application history of this nematicide. Bacteria proved to be...
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PMID: 20464454
PDF is available here.
PDF is available here.
Abstract
An efficient enzymatic synthesis of 6-chloropurine-2'-deoxyriboside from the reaction of 6-chloropurine with 2'-deoxycytidine catalyzed by nucleoside-2'-deoxyribosyltransferase (E.C. 2.4.2.6) followed by chemical conversion into the 5'-dimethoxytrityl 3'-(2-cyanoethyl-N,N-diisopropyl...
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PMID: 21128170
PDF is available here.
PDF is available here.
Abstract
We have developed a gas chromatography-high resolution mass spectrometry method for measuring pyrethroid, organophosphorus, carbamate and fipronil pesticides and the synergist piperonyl butoxide in human plasma. Plasma samples were extracted using solid phase extraction and were then concentrated fo...
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PMID: 20434413
PDF is available here.
PDF is available here.
Chemico-Biological Interactions (187)1-3 2010
Abstract
This paper reviews our previously published data and presents new results on biosensor assay of blood esterases. Tyrosinase and choline oxidase biosensors based on nanostructured polyelectrolyte films were developed for these purposes. Experiments were performed on the quantitative determination of...
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PMID: 20097186
PDF is available here.
PDF is available here.
Abstract
Acetylcholinesterase (AChE) activity may be useful biomarker for detecting of organophosphate pesticides (OP). Thus a sensitive biosensor for quantitative determination of OP based on AChE biomonitoring was developed. Multi-walled carbon nanotube (MWCNT)/polyaniline (PANI) composite...
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PMID: 21133088
PDF is available here.
PDF is available here.
Journal of Dairy Science (93)9 2010
Abstract
We conclude that multiple injections of Catosal during the close-up period have a beneficial effect on the metabolism of periparturient dairy cows. Our results are consistent with the hypothesis that high-producing dairy cows in early lactation may have a relative or actual deficiency of cyanocobala...
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PMID: 20723690
PDF is available here.
PDF is available here.
Abstract
Voltage-dependent Ca channels are classified into several subtypes based on the isoform of their α1 subunits. Traditional Ca channels blockers (CCBs), including nifedipine and amlodipine, act predominantly on L-type Ca channels, whereas novel CCBs such as efonidipine, benidipine and azelnidipine in...
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PMID: 20881449
PDF is available here.
PDF is available here.
Abstract
Abstract
We present the synthesis and evaluation of the derived phosphonium salts O-[(1-cyano-2-ethoxy-2-oxoethylidene)amino]-oxytri(pyrrolidin-1-yl) phosphonium hexafluorophosphate (PyOxP) and tetrafluoroborate (PyOxB). Both coupling reagents exhibited higher capacity to suppress racemization in various pep...
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PMID: 20556294
PDF is available here.
PDF is available here.
Movement Disorders (25)11 2010
Abstract
We enrolled 128 newly diagnosed untreated patients with PD in a double-blind study of two doses of MitoQ compared with placebo to explore the hypothesis that, over 12 months, MitoQ would slow the progression of PD as measured by clinical scores, particularly the Unified Parkinson Disease Rating Scal...
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PMID: 20568096
PDF is available here.
PDF is available here.
Abstract
Organophosphorus compounds are widely used in agriculture and industry. Although the immediate and delayed effects of acute exposure have been well described, the clinical sequelae of chronic, low-dose exposure are less certain. This paper describes the case of a farmer who had been exposed to a var...
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PMID: 20106939
PDF is available here.
PDF is available here.
Abstract
We explored local GABA(B)R activation by integrating optical tools for monitoring receptor conformation and synaptic vesicle release at individual presynaptic boutons of hippocampal neurons. Utilizing fluorescence resonance energy transfer (FRET) spectroscopy, we detected a wide range of FRET values...
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PMID: 20670833
PDF is available here.
PDF is available here.
HbMT2, an ethephon-induced metallothionein gene from Hevea brasiliensis responds to H(2)O(2) stress.
Abstract
Metallothioneins (MTs) are the cysteine-rich proteins with low molecular weight, which play important roles in maintaining intracellular ion homeostasis, detoxification of heavy metal ions and protecting against intracellular oxidative damages. In this study a novel ethephon-induced metallothionein...
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PMID: 20471279
PDF is available here.
PDF is available here.
Abstract
I trials have fuelled efforts to characterize more clearly the application of this approach to unmet clinical needs such as metastatic carcinoma. To examine this approach in breast cancer, a Phase I trial was conducted in which zoledronate, a Vgamma9Vdelta2 T cell agonist, plus low-dose interleukin...
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PMID: 20491785
PDF is available here.
PDF is available here.
Journal of Nutrition (140)8 2010
Abstract
Our objective in this study was to determine whether a mitochondria-targeted vitamin E derivative (MitoVit E) would decrease oxidative stress and associated obesity by preventing a previously proposed aconitase inhibition cascade. Sixty-four mice were fed a high-fat (HF) diet for 5 wk. They were the...
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PMID: 20554905
PDF is available here.
PDF is available here.
Analyst (Cambridge UK) (135)8 2010
Abstract
A new analytical method, pressurized capillary electrochromatography with indirect amperometric detection, has been developed for the determination of some non-electroactive organophosphorus pesticides (OPPs). When 0.1 mmol L(-1) of 3,4-dihydroxybenzylamine (DHBA) was added to the mobile phase conta...
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PMID: 20589268
PDF is available here.
PDF is available here.
Journal of Biological Chemistry (285)30 2010
Abstract
We showed that substitution of the scissile phosphate (P) by the charge neutral methylphosphonate (MeP) makes Arg-308 dispensable during the catalytic activation of the MeP diester bond. However, in the Flp(R308A) reaction, water out-competes the tyrosine nucleophile (Tyr-343) to cause direct hydrol...
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PMID: 20448041
PDF is available here.
PDF is available here.
Abstract
We report an improved method to perform charge derivatization of peptides by TMPP-Ac-OSu without interference from the excess reagent and corresponding side products. Briefly, the protein was first separated on sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) or coagulated with t...
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PMID: 20533316
PDF is available here.
PDF is available here.
Neurological Research (32)6 2010
Abstract
Initially, the tissue pieces were unshaped but formed spheroid-like structures during the culture period. For dystrophic muscle, attachment capacity to the surface was initially potent and decreased during the culture period, whereas control muscle showed weak attachment from the start that increase...
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PMID: 19660186
PDF is available here.
PDF is available here.
Abstract
Organophosphorus pesticide poisoning causes tens of thousands of deaths each year across the world. Poisoning includes acute cholinergic crisis as a result of AChE inhibition, intermediate syndrome (IMS) due to neuromuscular necrosis and organophosphate-induced delayed neuropathy (OPIDN) due to inhi...
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PMID: 20929049
PDF is available here.
PDF is available here.
Abstract
We present an overview of the genetic origins and cellular consequences of this deficiency and discuss how these insights might aid future development of treatment strategies.
(c) 2010 Wiley-Liss, Inc....
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PMID: 20818732
PDF is available here.
PDF is available here.
Abstract
3-way ANOVA revealed that all factors, monomer type, solvent-monomer ratio and RRP, had a significant effect (p < 0.05) on bond strength. Primer with a combination of MPS and dimethacrylate BMEP revealed higher bond values than a mixture of MPS and monomethacrylate EGMP. Increase of the solvent-mono...
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PMID: 20157671
PDF is available here.
PDF is available here.
Abstract
We demonstrated that human adenovirus had the highest detection rate (96.3%), followed by somatic coliphages (73.5%), human polyomavirus (68.6%), and rotavirus (63.5%). However, norovirus GII and enterovirus were found in only 25.7 and 17.8%, respectively. The concentration of the viral genome range...
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PMID: 20556879
PDF is available here.
PDF is available here.
Melanoma Research (20)3 2010
Abstract
We report our experience with transarterial chemoembolization (TACE) in uveal melanoma patients with pretreated liver metastases. Twenty-five patients were treated with fotemustine-based or cisplatin-based TACE after treatment failure of systemic therapy between 2003 and 2008 at our institution. Gra...
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PMID: 20335820
PDF is available here.
PDF is available here.
Acta Biomaterialia (6)6 2010
Abstract
The versatility of polymers for tissue regeneration lies in the feasibility to modulate the physical and biological properties by varying the side groups grafted to the polymers. Biodegradable polyphosphazenes are high-molecular-weight polymers with alternating nitrogen and phosphoru...
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PMID: 20004751
PDF is available here.
PDF is available here.
Biomaterials (31)18 2010
Abstract
We report synthesis and characterization of a mixed-substituent biodegradable polyphosphazene poly[(glycine ethyl glycinato)(1)(phenyl phenoxy)(1)phosphazene] (PNGEG/PhPh) and its blends with a polyester. Two dipeptide-based blends namely 25:75 (Matrix1) and 50:50 (Matrix2) were produced at two diff...
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PMID: 20334909
PDF is available here.
PDF is available here.
Abstract
Lactobacillus brevis WCP902 that is capable of biodegrading chlorpyrifos was isolated from kimchi. The opdB gene cloned from this strain revealed 825 bp, encoding 274 aa, and an enzyme molecular weight of about 27 kDa. OpdB contains the same Gly-X-Ser-X-Gly motif found in most bacterial and eukaryot...
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PMID: 20405842
PDF is available here.
PDF is available here.
Abstract
A broad-selective monoclonal antibody (Mab) for organophosphorus (OP) pesticides was raised using heterologous indirect enzyme-linked immunosorbent assay (ELISA) to screen hybridomas. On the basis of this Mab, five coating antigens were used to develop homologous and heterologous indirect competitiv...
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PMID: 20297814
PDF is available here.
PDF is available here.
Abstract
The effects of a novel complex of zinc(II) and cerium(IV) with chitosan film-forming material on the preservation quality of Chinese jujube fruits (Zizyphus jujuba Mill. cv. Dongzao) and degradation of organophosphorus pesticides in the fruits during the room temperature storage were investigated. T...
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PMID: 20380415
PDF is available here.
PDF is available here.
Abstract
We compared the effects of two calcium channel blockers, efonidipine and amlodipine, on the renin-angiotensin-aldosterone system in patients with end-stage renal diseases on maintenance hemodialysis. Twenty hypertensive patients on chronic hemodialysis were given efonidipine 20-60 mg twice daily and...
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PMID: 20558909
PDF is available here.
PDF is available here.
Abstract
Neuropathy target esterase (NTE) is an endoplasmic reticulum-anchored protein conserved across species. The N-terminal regulatory region of NTE contains three cyclic nucleotide binding domains while the C-terminal catalytic domain has a patatin domain. The NTE gene is expressed in mouse early at emb...
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PMID: 20006730
PDF is available here.
PDF is available here.
Pediatrics (125)5 2010
Abstract
We report here the case of a patient who was diagnosed with MoCD at the age of 6 days. Substitution therapy with purified cyclic pyranopterin monophosphate (cPMP) was started on day 36 by daily intravenous administration of 80 to 160 microg of cPMP/kg of body weight. Within 1 to 2 weeks, all urinary...
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PMID: 20385644
PDF is available here.
PDF is available here.
Journal of Plant Research (123)3 2010
Abstract
These results suggest that principal factors of gummosis as well as the chemical composition of gums differ between species of bulbous plants....
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PMID: 19941030
PDF is available here.
PDF is available here.
Journal of Physical Chemistry B (114)14 2010
Abstract
We analyze the binding energy of a bimetallic Mg(II)/Zn(II) enzyme, isopentenyl diphosphate isomerase, to an inhibitor built up of a trianionic diphosphate and of a cationic ethyldimethylammonium (EDMA) moiety. The analyses are performed on the protein recognition site, which totals 13 residues, as...
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PMID: 20329783
PDF is available here.
PDF is available here.
Inorganic Chemistry (49)8 2010
Abstract
cis-[Pd(ONO(2))(2)(PPh(3))(2)] (1) reacts under mild conditions with CO in methanol (MeOH) in the presence of pyridine (py), yielding trans-[Pd(COOMe)(ONO(2))(PPh(3))(2)] (1a). The use of NEt(3) instead of py leads to a mixture of 1a, trans-[Pd(COOMe)(2)(PPh(3))(2)] (2), and [Pd(CO)(PPh(3))(3)]. Pur...
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PMID: 20334352
PDF is available here.
PDF is available here.
Abstract
These results suggested that gal-PACNs could be a promising targeting gene carrier to deliver a therapeutic gene in future....
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PMID: 20302354
PDF is available here.
PDF is available here.
Abstract
The levels and relative proportions of 11 organophosphorus flame retardants and plasticizers (OPs), some of which are reportedly toxic to aquatic organisms, were investigated in human breast milk and samples of fish and mussels from Swedish lakes and coastal areas in order to assess spatial differen...
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PMID: 20383376
PDF is available here.
PDF is available here.
Abstract
A set of modular components was designed, synthesized, and combined to yield an innovative, robust, and reliable methodology for the self-assembly of large supramolecular structures on silicon wafers. Specific host-guest and H-bonding motifs were embedded in a single molecule by exploiting the remar...
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PMID: 20218712
PDF is available here.
PDF is available here.
Abstract
New phosphoramidite complexes of iron were synthesized and structurally characterized. Reaction of the known chiral phosphoramidites (RO)2PNR'2 (R = binaphthyl, R' = CH3, 1a; R = binaphthyl, R' = benzyl, 1b) with [FeBr(Cp)(CO)2] afforded the title compounds [FeBr(Cp)(CO)(1a,b)] (4a,b) in 34 and 65 %...
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PMID: 20428070
PDF is available here.
PDF is available here.
Abstract
The early days of ether chemistry can be divided into two periods: before and after Williamson serendipitous discovery (1851) of a new and efficient way to produce ethers using ethyl iodide and potassium salts. In the early part of the 19th century however, before Williamson, the direct reaction bet...
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PMID: 20432630
PDF is available here.
PDF is available here.
Cell Biochemistry and Biophysics (56)2-3 2010
Abstract
We studied the activity of human placental alkaline phosphatase (PLAP) constraint in a planar surface in controlled molecular packing conditions. For the first time, Langmuir films (LFs) were prepared by the spreading of purified placental membranes (PPM) on the air-water interface and their stabili...
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PMID: 20033626
PDF is available here.
PDF is available here.
Abstract
Abstract
The complexes of type [CrLCl](2).3.5H(2)O and [ML(H(2)O)](2).nH(2)O in which M = Co(II); n = 1, Ni(II); n = 4, Cu(II); n = 0.5 and Zn(II); n = 2 ions and L is 1,3-dimethyl-2,4-dioxo-2',4'-bis(2iminothiophene)cyclodiphosph(V)azane, were prepared and their structures characterized by elemental analysi...
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PMID: 20089330
PDF is available here.
PDF is available here.
Phosphonylpyrazoles from Bestmann-Ohira reagent and nitroalkenes: synthesis and dynamic NMR studies.
Abstract
Application of diethyl 1-diazo-2-oxopropylphosphonate (Bestmann-Ohira reagent) as a cycloaddition partner with nitroalkenes has been extensively investigated. Base-mediated reaction of the Bestmann-Ohira reagent with various nitroalkenes such as beta-substituted, alpha,beta-disubstituted, and nitroe...
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PMID: 20218559
PDF is available here.
PDF is available here.
Vojnosanitetski pregled (67)4 2010
Abstract
In 18 (86%) of the patients there was an improvement manifested as better subjective condition and better skin and its adnexa appearance. Following HBO treatment there was a statistically significant change in collecting the radiopharmac at rest. This finding indicates an increased viability of musc...
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PMID: 20465155
PDF is available here.
PDF is available here.
Abstract
We tested the galactosylated chitosan-graft-polyethylenimine (GC-g-PEI)/DNA complexes-loaded poly(organophosphazene) thermosensitive biodegradable hydrogel as a hepatocyte targeting gene delivery system. The poly(organophosphazene) hydrogel loaded with GC-g-PEI/DNA complexes showed low cytotoxicity...
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PMID: 20422364
PDF is available here.
PDF is available here.