A Simple Double-Spin Closed Method for Preparing Platelet-Rich Plasma

Objective: To describe and analyze a new protocol for the extraction of platelet-rich plasma (PRP) for use in clinical practice and compare this technique with methods that have been previously described in the medical literature. Methods: Sixteen blood samples from healthy volunteers were collected. PRP was prepared using our new double-spin technique, consisting of successive centrifugation of blood samples with two different spins, without opening the container. Descriptive analysis of cell counts in baseline and PRP samples was undertaken. Comparison between cell and platelet count in baseline and PRP samples, as well as the statistical analysis, were done. Results: The mean platelet concentration ratio was 3.47 (SD: 0.85; 95% CI: 3.01-3.92; range: 2.48-5.71). The baseline whole blood platelet count correlated positively to the PRP platelet count (rP = 0.56; 95% CI: 0.09- 0.88; P = 0.023). The PRP was enriched for lymphocytes and monocytes but presented significantly lower counts of neutrophils and eosinophils in comparison to baseline. Conclusion: Results show a safe and easily reproducible method to obtain PRP for use in clinical daily practice.info:eu-repo/semantics/publishedVersio

THE X2ΠiX ^{2}\Pi_{i}, A2ΔiA ^{2}\Delta_{i} AND B2Σ+B^{2}\Sigma^{+} LOW-LYING STATES OF NiCl: LASER INDUCED AND FOURIER TRANSFORM EXPERIMENTS

Author Institution: Department of Chemistry, Facult\'e des Sciences Ain Chock; Laboratoire de Physique atomique et mol\'eculaire, Atomes et Mol\'ecules; Laboratoire de Physique des Lasers, University of Waterloo; Department of Chemistry, UMR CNRS, 8523 Centre d'Etudes et de Recherches Laser et Applications, Universit\'e de Lille 159655; Laboratoire de Physique des Lasers, Atomes et Mol\'ecules, University of WaterlooThe $X^{2}\Pi_{3/2}$, $A^{2}\Delta_{5/2} (161 cm^{-1})$ and $B^{2}\Sigma^{+} (1,768 cm^{-1})$ low-lying states of NiCl have been recently identified. Transitions linking these states to upper $[21.9]^{2}\Delta_{5/2}$, $[24.5]^{2}\Pi_{3/2}$ and $[24.9]^{2}\Pi_{1/2}$ states have been rotationally analyzed. Laser induced fluorescence experiments allowed the identification of the $X ^{2}\Pi_{1/2} (382 cm^{-1})$ and $A ^{2}\Delta_{3/2} (1,646 cm^{-1})$ spin-orbit components. All the low-lying states of NiCl associated with the nickel 3d atomic orbital are now observed. In addition we identified a new electronic state located at $21,608 cm^{-1}$. This state is linked to all the five spin-orbit components of the X, A and B states. High resolution Fourier transform experiments made possible the analysis of three of these transitions. Laser induced dispersed fluorescence suggest that this state is also linked to a new low-lying state $(1,378 cm^{-1})$ which could be a component of a quartet state of NiCl

FOURIER TRNSFORM SPECTROSCOPY OF BaO: ANALYSIS OF A1Σ+−X1Σ+A^{1}\Sigma^{+} - X^{1}\Sigma^{+} CHEMILUMINESCENCE

Author Institution: Guelph-Waterloo Centre for Graduate Work in Chemistry and Biochemistry, Department of Chemistry, University of WaterlooThe $A^{1}\Sigma^{+} - X^{1}\Sigma^{+}$ emission spectrum of BaO from a Broida-type oven was revisited using a Fourier transform spectrometer. A total of 82 vibrational bands of $^{138} BaO$ were measured in the range of 8.900 to $21.000 cm^{-1}$ at a resolution of $0.004 cm^{-1}$. The vibrational quantum number of the Ground state was observed up to $u^{\prime\prime} = 20$ and up $\nu^{\prime} = 11$ for the excited A state. In addition, 72 bands $from^{138}$ BaO, $^{136}$Bao and $^{135}$BaO isotopomers were also measured, Over 15,000 rotational lines were analyzed at a precision of about $0.005 cm^{-1}$. Significantly improved spectral constants for the ground state are obtained

Non-invasive immunological exploration of the premature newborn infant

European-Academy-of-Allergology-and-Clinical-Immunology Digital Congress (EAACI), London, ENGLAND, JUN 06-08, 202

Meeting Abstract: PD0389

International audienc