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Pill Identifier Tool Quick, Easy, Pill Identification. Now recurring orders conveniently delivered as a subscription! With the new Carl Roth Replenishment Service you can let products be ordered automatically which you need regularly in your lab! Put all products for your subscription in the desired quantity in the basket. In the shopping cart, select the option "Order shopping cart as subscription" Order as subscription. Set Starty point and interval for your subscription and submit order! By the way: Through your account you can customize or delete your subscriptions anytime. Fluorescent dye with specific DNA-binding capacity. For detection of mycoplasms in cell culture, for quantitative DNA measurement, and for chromosome counter staining.
1 µg/ml in medium Nucleus staining in fixed cells or fixed tissue sections: approx. 0.2 µg/ml in PBS, TBS or another incubation buffer Detection of mycoplasms: 1 µg/ml in methanol Excitation maximum: 359 nm Emission maximum: 461 nm. For use in dogs: Carprofen Sterile Injectable Solution is indicated for the relief of pain and inflammation associated with osteoarthritis and for the control of postoperative pain associated with soft tissue and orthopedic surgeries in dogs. Carprofen Sterile Injectable Solution provides 50mg/mL of carprofen. Please, log into your power account to see pricing, events and store details relevant to your preferred store. Just want to see prices and content for your local store? Essential Oils are highly concentrated substances derived from a plant that usually bears the aroma or flavor of that plant. The Greek alchemist Paracelsus coined the term ‘essential oil’ because he believed these oils were the most concentrated form of a plant’s essence—the quintessence of the plant. 1 Even though modern essential oil extraction methods weren’t developed until the late 16th century, the use of plant aromatics dates back to ancient times when they were used in rituals, food preservation and preparation, as perfumes and fragrances, and, of course, as medicines. 2 Today essential oils are used in body care products for their scent as well as therapeutic benefits, in the creation of perfume, and certain essential oils are used by the food industry as preservatives and for flavoring. Essential oils are also readily available for home use and aromatherapy. Not all plants produce aromatic substances that can be extracted and used as essential oils, but, in the plants that do, these substances are produced because they are important for the plant’s defense and survival. Plants use aromatic substances to discourage herbivores, prevent the growth of pathogens, repel pests, encourage pollination, and compete with other plants for resources, such as space and nutrients. 2 On average, essential oils contain 100 different naturally occurring chemical compounds. 3 The two main categories of compounds are terpenes (which include mono- and sesquiterpenes, aldehydes, ketones, esters, and oxides) and phenylpropanoids (which include phenols, aromatic alcohols, aromatic aldehydes and ethers). These compounds are responsible for the smell as well as the medicinal qualities of the oil. Essential oils can be extracted from nearly every part of a plant, including leaves, stems, flowers, peels, seeds, wood, bark, roots, needles, twigs, and resin. Some plants can yield more than one essential oil; for instance, neroli comes from the flowers of bitter orange, pettigrain from the leaves, and orange oil from the peels. 1 Distillation is the most common method used to extract essential oils from their plant matter. This method exposes the plant matter to concentrated steam, which releases the aromatic molecules into vapor and then condenses them into a liquid form, the essential oil. Distillation also yields hydrosols, which contain the water-soluble constituents of the plant and a small amount of the essential oil. floral waters) can be used in place of water in a body care recipe, as a toner, any time an essential oil would be too strong, and some can even be used in cooking. Citrus essential oils are extracted by cold-press extraction, which squeezes the oils out of the peel. For some plants that contain only small amounts of aromatic compounds or are too fragile to be distilled, solvent extraction is used, producing an “absolute”.
The finished absolute contains little to no solvent residue and is highly concentrated in aromatic compounds. In recent years Supercritical CO2 Extraction has been used for some essential oils (technically, “absolutes” when produced with this method). Using carbon dioxide as a non-toxic solvent, this method allows for a wide range of aromatic compounds to be extracted at low heat. How Are Essential Oils Used/What Can You Do with Essential Oils? Essential oils can be used in a variety of ways and for a variety of purposes. Aromatherapy is the term generally used to describe the therapeutic use of essential oils for addressing physical as well as psychological and emotional concerns. When essential oils are applied to the skin, not only do they work on the skin they come in contact with, but they are also absorbed and enter into the body where they can exert their effects. When applied topically, between 4% and 25% of an essential oil is absorbed, depending on the chemical composition of the oil. 4 This allows essential oils to enter directly into the bloodstream without having to go through the digestive tract. The aromatic molecules are carried via the nose to the respiratory tract, where they can work directly or be absorbed through the alveoli into the bloodstream.
Once essential oils enter the bloodstream the liver will eventually metabolize them and they will be excreted via the kidneys. When essential oils are inhaled, they also interact with cells at the back of the nose where the aromatic molecules can stimulate changes in the brain, such as alter production of neurotransmitters like dopamine, endorphins and serotonin.