Results 111 to 120 of about 44,845 (259)

TLC of Porphyrins

Clinical Chemistry, 1972
openaire   +2 more sources

Covalent Insertion of a Mn(Salen) Type Complex in Cross‐Linked Protein Crystals: Design of an Enantioselective Artificial Epoxidase

Chemistry – A European Journal, EarlyView.
An Artificial metalloenzyme was designed by a Michael addition between a MnSalen complex and a cysteine residue within NikA crystals. The heterogeneous catalyst was found capable of an enantioselective and stereospecific epoxidation of cis‐β‐methylstyrene in cristallo.
Manel Boukhallat, Ismail Benhamed, Jade Arnone, Stann Van Baaren, Clara Rinaldi, Patrice Catty, Caroline Marchi‐Delapierre, Christine Cavazza, Stéphane Ménage   +8 more
wiley   +1 more source

Porphyrin-Based Fluorescent Probe for Nanomolar Detection of Cu²⁺ and Ni²⁺ Ions. [PDF]

Molecules
Shin SH, Kim J, Moon H, Sheshashena Reddy T, Choi MS.   +4 more
europepmc   +1 more source

Rationales for the Choice of Metals for Super‐Reduced Biological Metal Centers: Cobalt in Cobalamin Versus Nickel in F430

Chemistry – A European Journal, EarlyView.
DFT calculations on porphyrin, corrin, and corphin complexes of cobalt, rhodium, iron, manganese, or nickel, and QM/MM calculations on enzyme models, explore the factors controlling the availably of super‐reduced metal(I) states. True metal(I) states are seen in corrin only for cobalt, in corphin only for nickel, and not at all in porphyrin.
Radu‐Ioan Onija, Sergiu‐Raul Cosma, Adrian M. V. Brânzanic, Radu Silaghi‐Dumitrescu   +3 more
wiley   +1 more source

Inducing a chiral twist in achiral porphyrins: tailoring molecular interactions for circularly polarized luminescence from chiral microflowers. [PDF]

Chem Sci
Cheran A, Marydasan B, Das S, Pattam HK, Kumar J.   +4 more
europepmc   +1 more source

Characterization of the Interaction of Known G‐quadruplex Ligands With a Minimal i‐Motif Structure

Chemistry – A European Journal, EarlyView.
The destabilization of a minimal i‐Motif (iM) structure by TMPyP4 is driven by ligand recognition of one terminal iM structural domain. ABSTRACT Peculiar genomic regions are prone to evolve transiently from double‐helix DNA to noncanonical secondary structures in response to physiological stress.
Davide Auricchio, Marko Trajkovski, Janez Plavec, Claudia Sissi   +3 more
wiley   +1 more source

N-Confused Metalloporphyrin-Based Electrocatalysts for Oxygen Reduction. [PDF]

Molecules
Luo Y, Li Z, Xie J.
europepmc   +1 more source

Stepwise Synthesis of Tetrabenzotriazaporphyrins (TBTAPs) and Their Open 2‐ and 3‐Ring Fragments

Chemistry – A European Journal, EarlyView.
Unexpected reaction pathways to porphyrin‐phthalocyanine hybrids are uncovered by the synthesis of “half‐macrocycle” fragments and subsequent macrocyclization. Rather than the expected 2:2 “ABBA” product, the 3:1 “ABBB” hybrid is isolated as the only macrocyclic product.
Jacob Gretton, Ala Alturk, Sonia Remiro‐Buenamañana, Alejandro Díaz‐Moscoso, Amirah A. Aldawsari, Maha S. Albayaa, Isabelle Chambrier, David L. Hughes, Simon J. Coles, Graham J. Tizzard, Andrew N. Cammidge   +10 more
wiley   +1 more source

Theoretical study on the geometry, aromaticity and electronic properties of porphyrin analogues. [PDF]

RSC Adv
Chen X, Li D, Zhang C, She Y, Yang YF.
europepmc   +1 more source

Control of Gemcitabine Activity With Blue and Red Light

Chemistry – A European Journal, EarlyView.
Treating cancer with chemotherapy is generally associated with many side effects, which can be addressed by selectively releasing the desired drugs with visible light. Sixteen new blue light‐activatable cytostatics were introduced, with the gemcitabine derivative exhibiting ideal properties.
Nils F. Kersten, Konstantin L. Stock, Marius Hyprath, Hannah Weisser, Timo Weinrich, Dieter Steinhilber, Alexander Heckel   +6 more
wiley   +1 more source