Topic Review
Static and Dynamic Redox State-Related Parameters
Oxidative stress refers to an imbalance between oxidant and antioxidant molecules, which is usually associated with oxidative damage to biomolecules and mitochondrial malfunction. Redox state-related parameters include (1) the direct measurement of ROS, (2) the assessment of the antioxidant defense status, and (3) the analysis of the resulting oxidative damage to molecules. Directly measuring ROS appears to be the preferred method among scientists, but most ROS are extremely unstable and difficult to measure. The processes of determining both the oxidative damage to biomolecules and the antioxidant system status, although both are indirect approaches, provide a reliable method to measure oxidative stress on a given sample. Recently, the Seahorse XF and the Oroboros O2k systems have provided new insights into the redox state from a more dynamic point of view. These techniques assess mitochondrial oxidative phosphorylation function and bioenergetics on isolated mitochondria, cultured cells, or specific tissues such as permeabilized fibers.
  • 331
  • 31 May 2022
Topic Review
Strength and Weakness of NIBS-RAR Coupled Intervention
Robot-aided rehabilitation (RAR) and non-invasive brain stimulation (NIBS) are the two main interventions for post-stroke rehabilitation. The importance of coupling these interventions, which both enhance brain plasticity to promote recovery, lies in augmenting the rehabilitation potential to constrain the limitation in daily living activities and the quality of life following stroke.
  • 539
  • 08 Dec 2022
Topic Review
Synthesis of Carbon Dots
There are many studies on the different synthesis methods of carbon dots. Each process aims to improve the synthesis strategy and optimize the reaction conditions so that the carbon dots are not only more cost-effective and eco-friendly, but also provide more excellent performance.
  • 2.2K
  • 08 Dec 2022
Topic Review
Therapeutic Drug Monitoring of Beta-Lactam Antibiotics
Here describes various aspects of beta-lactams use in the critical care, focusing on clinical antibiotic stewardship in the ICU. Pharmacokinetics / pharmacodynamics (PK/PD) characteristics of beta-lactams are described and main factors of PK/PD variability in critically ill patients. Toxicity of beta-lactams, a frequently overlooked issue, is outlined. Analytical methods used in therapeutic drug monitoring (TDM) of beta-lactams are discussed. The evidence supporting antibiotic guidance based on therapeutic drug monitoring (TDM) in critically ill patients is analysed.
  • 282
  • 19 Jun 2023
Topic Review
Titin and Muscle Atrophy
Titin, also called connectin, is a giant sarcomere protein, which functions as a spring for muscle extension and elasticity. Titin interconnects the contraction of actin-containing thin filaments and myosin-containing thick filaments. Recently, the N-terminal fragment of titin, which is the breakdown product of titin, has become measurable using an enzyme-linked immunosorbent assay kit (27900 titin N-fragment Assay Kit; Immuno-Biological Laboratories, Fujioka, Japan). This kit has been used to evaluate muscle breakdown in muscle dystrophy, in which the level of urinary titin N-fragment was 700-times above the normal level.
  • 2.6K
  • 20 Apr 2021
Topic Review
Uric Acid Electroanalysis
Uric acid is a metabolic product that results from degradation of purines in the liver. Usually, uric acid is identified from biological fluids, human serum and urine through conventional methods, such as spectroscopy, chromatography, electrochemistry, membrane capillary electrophoresis and spectrophotometric methods, including uricase enzymatic reactions. Importantly, uric acid determination opens the possibility of early intervention in cases of hyperuricemia and preventing the degradation of renal function.
  • 514
  • 25 Jun 2023
Topic Review
X-ray Single-Crystal Diffraction
X-ray single-crystal diffraction (XRSCD) is regarded as the most reliable strategy for absolute configuration determination. Differences in the X-ray anomalous scattering effect of each atom are used to determine the absolute configuration of molecules and can provide the precise spatial position of all of the atoms in a compound in the solid state, including how the atoms are connected, the molecular conformation, and accurate bond length and bond angle data. The strength of the anomalous scattering effect is proportional to the electron cloud density of the atom, which is manifested as the stronger anomalous scattering effect of the atom with a larger atomic number.
  • 980
  • 01 Jun 2022
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