A series of nanoscaled Pt(0)‐phosphorus ylide complexes based on [60]fullerene: Synthesis, characterization, and in vitro biological assessments

2021 ◽  
Author(s):  
Abed Yousefi ◽  
Seyyed Javad Sabounchei ◽  
Seyed Hamed Moazzami Farida ◽  
Nosrat Rahmani
Keyword(s):  
Phosphorus Ylide ◽  
Biological Assessments ◽  
Ylide Complexes

Biological Assessments of Experimental Cavity Cleansers: Correlation Between in vitro and in vivo Studies

1982 ◽  
Vol 61 (8) ◽  
pp. 967-972 ◽  
Author(s):  
LA Mjor ◽  
A. Hensten-Pettersen ◽  
R.L. Bowen
Keyword(s):  
In Vivo Studies ◽  
Biological Assessments

scholarly journals CHELATE PHOSPHORUS YLIDE COMPLEXES OF PALLADIUM AND PLATINUM

1975 ◽  
Vol 4 (12) ◽  
pp. 1259-1260 ◽  
Author(s):  
Yoshinao Oosawa ◽  
Taro Saito ◽  
Yukiyoshi Sasaki
Keyword(s):  
Phosphorus Ylide ◽  
Ylide Complexes

Lewis Acid Catalysis with Cationic Dinuclear Gold(II,II) and Gold(III,III) Phosphorus Ylide Complexes

2016 ◽  
Vol 35 (17) ◽  
pp. 2830-2835 ◽  
Author(s):  
Benjamin R. Reiner ◽  
Mark W. Bezpalko ◽  
Bruce M. Foxman ◽  
Casey R. Wade
Keyword(s):  
Lewis Acid ◽  
Acid Catalysis ◽  
Lewis Acid Catalysis ◽  
Phosphorus Ylide ◽  
Ylide Complexes

Novel vanadium and titanium phosphorus ylide complexes

1996 ◽  
pp. 779 ◽  
Author(s):  
Pietro Berno ◽  
Sandro Gambarotta ◽  
Sirpa Kotila ◽  
Gerhard Erker
Keyword(s):  
Phosphorus Ylide ◽  
Ylide Complexes

scholarly journals Prototype Development for the Periodontal Model System with the Spatial Compartmentalization by the Additive Manufacturing

2019 ◽  
Vol 9 (21) ◽  
pp. 4687 ◽  
Author(s):  
Chan Ho Park
Keyword(s):  
Tissue Regeneration ◽  
Periodontal Ligament ◽  
Three Dimensional ◽  
Shape Index ◽  
Periodontal Tissues ◽  
Prototype Development ◽  
Image Dataset ◽  
Biological Assessments ◽  
3D Printing Technique

At present, various tissue engineering strategies have been developed for multiple tissue regeneration and integrative structure formations. However, the regenerations of tooth-supportive structures are still limited and challenging due to the micro-interfacial compartmentalization of multiple tissues, their integrations for systematic responses, and spatiotemporal organizations of engineered tissues. Here, we investigated the scaffold prototype as the regeneration platform of the periodontal complex (cementum-periodontal ligament (PDL)-bone). Based on the tooth image dataset, the prototype scaffold was designed with individual periodontal tissues while using the three-dimensional (3D) printing technique and solvent-casting method with poly-ε-caprolactone (PCL). The architecture was characterized by scanning electron microscope (SEM) and biological assessments were performed with human periodontal ligament (hPDL) cells by confocal microscope. In particular, the angulations and deformations of hPDL cells on PDL architectures were analyzed while using nuclear aspect ratio (NAR = 2.319 ± 0.273) and nuclear shape index (NSI (circularity) = 0.546 ± 0.0273). In in-vitro, designed surface microgroove patterns facilitated angular organizations of hPDL cells (frequency of 0–10° angulations = 75 ± 9.54 out of 97.3 ± 2.52) for seven days. The prototype scaffolding system showed geometric adaptation to the digitized image dataset, hPDL orientations on microgroove-patterned surface, and architectural compartmentalizations for periodontal tissue regeneration.

Übergangsmetallkomplexe instabiler Ylide, IX [1] Zur Reaktivität von Pentacarbonyl(dimethyloxosulfoniomethanid)chrom(0) gegenüber Organoelementmethyldiphenylphosphanen RnECH2PPh2 (ERn = Ph2Sb, MeS, PhS, PhSe) und (RnE)2CH2 (RnE = Ph2Sb, MeS)

1985 ◽  
Vol 40 (7) ◽  
pp. 968-974 ◽  
Author(s):  
Lothar Weber ◽  
Dietmar Wewers ◽  
Ewald Lücke
Keyword(s):  
Thermal Reaction ◽  
Chelate Complex ◽  
Phosphorus Ylide ◽  
Sulfur Ylide ◽  
Ylide Complexes

Abstract Treatment of the sulfur ylide complex (CO)5Cr[CH2S(O)Me2] (1) with the bifunctional phosphines Ph2PCH2ERn (ERn = SMe, SPh, SePh) lead to pentacarbonylchromium phosphorus ylide complexes (CO)5CrCH2PPh2CH2ERn. Only the S-methyl derivate could be converted to the metallocycle (CO)4[xxx] (ERn = SMe) by UV-irridiation. The ylide chelate complex (CO)4[xxx]Ph2 is formed directly by the thermal reaction of Ph2PCH2SbPh2 with 1. N o ylide complexes result from the reaction of 1 with (Ph2Sb)2CH2 and (MeS)2CH2. The only products identified were (CO)5Cr[Ph2SbCH2SbPh2] and [(CO)5CrS(Me) - ]2CH2, respectively.

Einige Gold(I)-Komplexe von Phosphor-yliden und ihre Wirkung in der Gold-Therapie am Modell der Adjuvans-Arthritis /Some Gold(I) Complexes of Phosphorus Ylides and their Effect in Gold Therapy with the Adjuvans Arthritis Model

1978 ◽  
Vol 33 (11) ◽  
pp. 1325-1329 ◽  
Author(s):  
Hubert Schmidbaur ◽  
Johann R. Mandl ◽  
Anette Wohlleben ◽  
Armin Fügner
Keyword(s):  
Spectroscopic Data ◽  
Pharmacological Study ◽  
Phosphorus Ylides ◽  
Gold Therapy ◽  
Arthritis Model ◽  
Phosphorus Ylide ◽  
Preliminary Study ◽  
Ylide Complexes

Abstract A series of ionic phosphorus ylide complexes of gold(I) halides has been prepared and characterized through analytical and spectroscopic data. The compounds are of the type [R3PAu-CH2PR3]⊕Cl⊖, R = C2H5, and [(R3PCH2)2Au]⊕X⊖ where R = CH3, C2H5, n-C4H9, C6H5, and X = Cl, Br (1-6). Along with a cyclic complex [(C2H5)2P(CH2)2Au]2 (7) these materials have been tested in a pharmacological study for a possible use in an oral arthritis therapy.Compounds 1 and 5-7 showed no or only neglegible effects on Adjuvans-arthritis induced in rats, while 3 and 4 were very toxic. Complex 2 was comparable to standard chrysotherapeutic agent3 in a preliminary study, but a more detailed investigation including LD50 tests for mice showed too narrow a gap between its toxical and therapeutically useful doses.

Sign in / Sign up

Export Citation Format

Share Document