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2,5-Dihydroxybenzaldehyde (Gentisaldehyde) has antioxidant activity against Mycobacterium avium subsp. Paratuberculosis. 2,5-Dihydroxybenzaldehyde also inhibits S. aureus strains(MIC50: 500 mg L).

1. Thonningianin A has anti-cancer activities.2. Thonningianin A represents a new potent glutathione S-transferase in vitro inhibitor.3. Thonningianin A has antioxidant property, involves radical scavenging, anti-superoxide formation and metal chelation.

Ionomycin is an calcium ionophore and an antibiotic that binds calcium ions (Ca2+). It is produced by the bacterium Streptomyces conglobatus.It is used in research to raise the intracellular calcium level (Ca2+) and as a research tool to understand Ca2+ transport across biological membranes. Ionomycin promotes apoptosis and induces the activation of protein kinase C (PKC).

Guanidine hydrochloride (Aminoformamidine Hydrochloride) is a strong organic base existing primarily as guanidium ions at physiological pH. It is found in the urine as a normal product of protein metabolism. It is also used in laboratory research as a protein denaturant.

NAD+ (β-Nicotinamide Adenine Dinucleotide) is a coenzyme composed of ribosylnicotinamide 5'-diphosphate coupled to adenosine 5'-phosphate by pyrophosphate linkage. It is found widely in nature and is involved in numerous enzymatic reactions in which it serves as an electron carrier by being alternately oxidized (NAD+) and reduced (NADH).

D-(-)-Quinic acid (Kinic acid) is a cellular metal ion chelator, capable of promoting reactions with metal M(II,III) ions under pH-specific conditions. It may possess potent inhibition against alpha-mannosidase and alpha-fucosidase.

Phytic acid (Fytic Acid) is a complexing agent for removal of traces of heavy metal ions. It acts also as a hypocalcemic agent.

S-Adenosyl-L-methionine disulfate tosylate (Ademetionine disulfate tosylate) is the disulfate-tosylate mixed salt comprising diastereoisomers of ademetionine ions. Ademetionine exhibits anti-inflammatory properties and has been utilized in the treatment of chronic liver disease.

Ammonium oxalate monohydrate is a commonly used chemical precipitant, used for separating and purifying metal ions, as well as in organic synthesis and the preparation of metal polishing agents.

2,4-Dihydroxypyridine is a pyridine derivative that acts as a chelating agent binding to metal ions and forming complexes. It is used as a reagent for determining the concentration of various ions, such as calcium, magnesium and phosphate. It is also used to measure the rate of enzyme-catalyzed reactions. It is also used for the detection and quantification of proteins, carbohydrates and other biomolecules.

Gramicidin (Gramicidine) is an antimicrobial peptide. Gramicidin dimers form ion channel-like pores in the cell membranes and organelles of bacterial and animal cells, allowing inorganic monovalent ions, such as potassium and sodium ions, to pass freely through the pores by diffusion, disrupting the important ionic gradient between membranes and thus killing the cells by various actions. Gramicidin is effective against Gram-positive bacteria such as Bacillus subtilis and Staphylococcus aureus, but is not as effective against Gram-negative bacteria such as Escherichia coli.

1,2-Dipalmitoyl-sn-glycero-3-phosphoethanolamine (DPPE), a phospholipid member of the glycerophosphonoethanolamine family, is a major component in biological membranes. Studies have shown that cholesterol induces condensation of DPPE monolayers in the presence of Ca2+ ions, leading to more ordered lipid tails and resulting in a thicker membrane.

L-Aspartic Acid 4-Benzyl Ester is a chelating agent that forms stable complexes with metal ions. It has been used to study the effect of metal ions on enzyme activity and to investigate the role of metal ions in the regulation of gene expression.

4-Methyldaphnetin (DHMC) is a potent inhibitor (low micromolar) of lipid peroxidation and scavengers of superoxide anion radicals and of aqueous alkylperoxyl radicals, but may be pro-oxidant (enhancing generation of hydroxyl radicals) in the presence of free iron ions.2. 4-Methyldaphnetin(7,8-Dihydroxy-4-methylcoumarin) inhibits the proinflammatory 5-lipoxygenase enzyme at micromolar concentrations.

Batrachotoxin (BTX), a potent neurotoxin and cardiotoxin, is found in the skin of the Colombian dart frog (Phyllobates aurotaenia). As an activator of sodium channels (sodium channel), it interferes with normal sodium channel closure by binding to voltage-gated sodium channels (sodium channel) on the cell membrane. This interaction causes a continuous influx of sodium ions into the cells, leading to persistent depolarization.