![Antioxidants | Free Full-Text | NAD+ Homeostasis and NAD+-Consuming Enzymes: Implications for Vascular Health Antioxidants | Free Full-Text | NAD+ Homeostasis and NAD+-Consuming Enzymes: Implications for Vascular Health](https://www.mdpi.com/antioxidants/antioxidants-12-00376/article_deploy/html/images/antioxidants-12-00376-g001.png)
Antioxidants | Free Full-Text | NAD+ Homeostasis and NAD+-Consuming Enzymes: Implications for Vascular Health
![Molecules | Free Full-Text | Connection between Osteoarthritis and Nitric Oxide: From Pathophysiology to Therapeutic Target Molecules | Free Full-Text | Connection between Osteoarthritis and Nitric Oxide: From Pathophysiology to Therapeutic Target](https://www.mdpi.com/molecules/molecules-28-01683/article_deploy/html/images/molecules-28-01683-g001-550.jpg)
Molecules | Free Full-Text | Connection between Osteoarthritis and Nitric Oxide: From Pathophysiology to Therapeutic Target
![Geosciences | Free Full-Text | When Individual Geosites Matter Less—Challenges to Communicate Landscape Evolution of a Complex Morphostructure (Orlické–Bystrzyckie Mountains Block, Czechia/Poland, Central Europe) Geosciences | Free Full-Text | When Individual Geosites Matter Less—Challenges to Communicate Landscape Evolution of a Complex Morphostructure (Orlické–Bystrzyckie Mountains Block, Czechia/Poland, Central Europe)](https://www.mdpi.com/geosciences/geosciences-11-00100/article_deploy/html/images/geosciences-11-00100-g001.png)
Geosciences | Free Full-Text | When Individual Geosites Matter Less—Challenges to Communicate Landscape Evolution of a Complex Morphostructure (Orlické–Bystrzyckie Mountains Block, Czechia/Poland, Central Europe)
![Oxygen | Free Full-Text | Molecular Oxygen as a Probe Molecule in EPR Spin Labeling Studies of Membrane Structure and Dynamics Oxygen | Free Full-Text | Molecular Oxygen as a Probe Molecule in EPR Spin Labeling Studies of Membrane Structure and Dynamics](https://www.mdpi.com/oxygen/oxygen-02-00021/article_deploy/html/images/oxygen-02-00021-g001.png)
Oxygen | Free Full-Text | Molecular Oxygen as a Probe Molecule in EPR Spin Labeling Studies of Membrane Structure and Dynamics
![PDF] Simultaneous determination of nicotinic acid and its four metabolites in rat plasma using high performance liquid chromatography with tandem mass spectrometric detection (LC/MS/MS). | Semantic Scholar PDF] Simultaneous determination of nicotinic acid and its four metabolites in rat plasma using high performance liquid chromatography with tandem mass spectrometric detection (LC/MS/MS). | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/430b81b95fcdca014787ddfd31d3372d7d12ba1b/6-Figure5-1.png)
PDF] Simultaneous determination of nicotinic acid and its four metabolites in rat plasma using high performance liquid chromatography with tandem mass spectrometric detection (LC/MS/MS). | Semantic Scholar
![Biomolecules | Free Full-Text | Esterase-Sensitive Prodrugs of a Potent Bisubstrate Inhibitor of Nicotinamide N-Methyltransferase (NNMT) Display Cellular Activity Biomolecules | Free Full-Text | Esterase-Sensitive Prodrugs of a Potent Bisubstrate Inhibitor of Nicotinamide N-Methyltransferase (NNMT) Display Cellular Activity](https://www.mdpi.com/biomolecules/biomolecules-11-01357/article_deploy/html/images/biomolecules-11-01357-g001-550.jpg)
Biomolecules | Free Full-Text | Esterase-Sensitive Prodrugs of a Potent Bisubstrate Inhibitor of Nicotinamide N-Methyltransferase (NNMT) Display Cellular Activity
![Medicina | Free Full-Text | Age-Related Changes of the Pineal Gland in Humans: A Digital Anatomo-Histological Morphometric Study on Autopsy Cases with Comparison to Predigital-Era Studies Medicina | Free Full-Text | Age-Related Changes of the Pineal Gland in Humans: A Digital Anatomo-Histological Morphometric Study on Autopsy Cases with Comparison to Predigital-Era Studies](https://www.mdpi.com/medicina/medicina-57-00383/article_deploy/html/images/medicina-57-00383-g001.png)