Other nanocapsule shells include liposomes, along with polysaccharides and saccharides. Carbohydrates and their derivatives, including saccharides, phosphosugars, and nucleotides, are ubiquitous metabolites in every organism. SPPS has been expanded to include solid phase synthesis of nucleotides and saccharides. These enzymes help provide simple saccharides to the organism. Sulfated saccharides from red and green algae inhibit some DNA and RNA-enveloped viruses. Polysaccharides and saccharides are used due to their non-toxicity and biodegradability. A fluorescent indicator-displacement molecular imprinting sensor was developed for discriminating saccharides. Most saccharides eventually provide fuel for cellular respiration. Hence, lactitol is about 60% as caloric as typical saccharides. Glucans are saccharides, of which some are known to have immune stimulating effects. The object was to examine the selectivity with respect to the saccharides. Finally, many saccharides are acylated. Saccharides have 32 types of sugar linkages. Saccharides are a food source rich in energy. Saccharides in sweet e-liquid flavors break down and generate furans and aldehydes when vaporized.