Slow relaxations of Dy(III) single-ion magnets dominated by simultaneous binding of chelating ligands in low-symmetry ligand-fields

Electronic effect and geometry distortion of low-symmetry ligand-field on anisotropy barrier (Ueff) of spin reversal have been compared in three Dy(III) single-ion magnets through simultaneous binding of chelating ligands. The...

Multi-qubit correction for quantum annealers

We present multi-qubit correction (MQC) as a novel postprocessing method for quantum annealers that views the evolution in an open-system as a Gibbs sampler and reduces a set of excited states to a new synthetic state with lower energy value. After sampling from the ground state of a given (Ising) Hamiltonian, MQC compares pairs of excited states to recognize virtual tunnels—i.e., a group of qubits that changing their states simultaneously can result in a new state with lower energy value—and successively converges to the ground state. Experimental results using D-Wave 2000Q quantum annealers demonstrate that MQC finds samples with notably lower energy values and improves the reproducibility of results when compared to recent hardware/software advances in the realm of quantum annealing, such as spin-reversal transforms, classical postprocessing techniques, and increased inter-sample delay between successive measurements.

COMPARISON OF DIFFERENT METHODS OF CENTRIFUGATION FOR OPTIMUM PREPARATION OF PLATELET RICH PLASMA (PRP)& FRAMING A CUSTOMIZED PRP PROTOCOL-AN INNOVATIVE APPROACH

Introduction:The rationale behind the therapeutic potential of the high concentration of platelets in PRP (Platelet Rich Plasma) for intervention procedures of soft tissue injuries is often challenged by the ability of the centrifugation methods followed in extracting the high quality PRP with prompt contented quantity too.This study aims to unravel the basic science of PRP preparation involved in centrifugation protocols, spin methods, speed and time duration of centrifugation to obtain consistent therapeutic platelets yield. Materials and Methods:30 participants were subjected to intervention procedures using PRP. For therapeutic purpose 3 centrifugation protocol types are followed. Ø Protocol 1-Conventional Old protocol Ø Protocol 2-Customised New protocol Ø Protocol 3-Spin Reversal of the routine -hard spin followed by soft spin The Platelets and WBC concentration and composition in the final autologous PRP sample harvested as a result of double centrifugation method are compared for quantity and efficiency. Results:The maximum PCF-3.21 times above baseline and PRR -64.21% are through new customized spin proving its efficiency. As determined by one-way ANOVA, there is statistically significant difference between the PROTOCOL groups (1,2,3) for the variables PRP platelet count, PRP Leucocytes, PCF, PRR. A Tukey post hoc test revealed that there is statistically significant value for Protocol 2 and Protocol 3 compared to the Protocol 1 for PRP platelet count, PCF and PRR whereas for PRP Leucocytes, there was a statistically significant difference between the Protocol 2 and Protocol 3 which again implicates the necessity of spin reversal in yielding better quantity of leucocytes. Conclusion:To produce PRP samples with consistent and reproducible compositionsof platelets and leucocytes with better quality control standard through a detailed, precise and stepwise description of the manufacturing protocol has been explained in our study. Our perspective is in standardizing a safe, simple protocol that can be followed to obtain an optimal consistent platelet yield without the use of commercial kits, which has been proved statistically too.

A remarkable energy barrier for spin reversal in a field induced dinuclear ytterbium single molecule magnet

Strong equatorial and weak axial crystal fields enhance the energy barrier for slow relaxation of magnetization in Yb-based single molecule magnets.

Electrically controlled spin reversal and spin polarization of electronic transport in nanoporous graphene nanoribbons

Based on first-principles calculations, the spin-dependent electronic transport of nanoporous graphene nanoribbons is investigated. A three-terminal device is proposed, which can electronically control the spin polarization of transmission, instead of...

Slow magnetic relaxation in high-coordinate Co(ii) and Fe(ii) compounds bearing neutral tetradentate ligands

7-coordinate Co(ii) compound has a very large positive D value (56.2 cm−1) with an effective spin-reversal barrier of Ueff = 100 K (71.4 cm−1). In contrast, the 8-coordinate Fe(ii) compound exhibits uniaxial magnetic anisotropy.

In Silico Design to Enhance the Barrier height for Magnetization Reversal in Dy(III) Sandwich Complexes by Stitching them Under the Umbrella of Corannulene

Lanthanide based Single molecular magnets (SMMs), particularly Dysprocenium based SIMs, are well known for their high energy barrier for spin reversal (Ueff) and blocking temperatures (TB). Enhancing these two parameters...

A trapped hexaaqua CoII complex between the polyanionic sheets of decavanadate reveals high axial anisotropy and field induced SIM behaviour

A hexaaqua CoII complex within the anionic metal oxide cluster of decavanadates reveals easy-axis anisotropy and field induced SIM behaviour with a high energy barrier for the spin reversal process.