The short version of Phosphocreatine fits in a sentence. The long version — which is the one that helps — is below.
Reviewed 2026-08-01. Anything still debated is marked as such rather than presented as settled.
Creatine monohydrate is a hydrated form of creatine, a nitrogen-containing compound involved in cellular energy metabolism. Its molecular formula is C4H9N3O2·H2O, with a molar mass around 149.15 g/mol. The monohydrate is the most common solid form used in research and commercial settings because it crystallizes readily and remains stable under ordinary conditions. The term monohydrate indicates one water molecule per creatine molecule in the crystal lattice. It appears as a white crystalline powder with low odor.
In the body, creatine is synthesized from arginine, glycine, and methionine, mainly in the liver and kidneys, and is also obtained from foods such as meat and fish. About 95% of body creatine is stored in skeletal muscle, where a fraction is phosphorylated to phosphocreatine. Phosphocreatine serves as a rapid reserve of high-energy phosphate for short bursts of ATP regeneration. The monohydrate form supplies creatine after dissolution and absorption, but it is not itself the active phosphorylated species.
Creatine is synthesized endogenously in humans, mainly in the liver, kidney, and pancreas, from the amino acids arginine, glycine, and methionine. Skeletal muscle stores much of the body's creatine, where it participates in the phosphocreatine system that buffers adenosine triphosphate during short, intense contractions. Dietary sources include meat and fish, so omnivorous diets provide additional creatine beyond endogenous production. Supplemental creatine monohydrate supplies the same molecule found in food and tissues, not a distinct drug or hormone. Research interest centers on its role in cellular energy transfer and its effects on muscle and other tissues.
Several creatine forms are sold, including monohydrate, anhydrous, hydrochloride, nitrate, citrate, and blends. Once dissolved, these forms deliver creatine, but they differ in molar mass, solubility, counterions, and water content. Creatine monohydrate has the largest body of published human data among these forms. Questions remain about whether any alternative form offers meaningful advantages in absorption, tolerability, or tissue uptake under practical conditions. The hydrate form's lower creatine content by mass is a compositional fact, not a statement about effectiveness.
| Property | Value | Notes |
|---|---|---|
| Molecular formula | C4H9N3O2·H2O | Creatine plus one water molecule in the crystal lattice. |
| Molar mass | 149.15 g/mol | Calculated for the monohydrate form. |
| Appearance | White crystalline powder | Typical solid form; particle size can vary by processing. |
| Solubility class | Sparingly soluble in water | Dissolution improves with time, stirring, and temperature. |
| Common synonyms | Creatine hydrate; N-carbamimidoyl-N-methylglycine monohydrate | Names vary by chemical registry and supplier. |
As a supplement, creatine monohydrate is studied for its effects on muscle performance and recovery. The compound is often described as an ergogenic aid, meaning it may support physical work capacity. Research typically compares it with placebo or other forms, such as citrate or nitrate, under controlled conditions. Questions remain about the optimal dose and long-term effects in different populations, and findings are not uniform across all studies. The monohydrate form remains the most extensively tested.
Creatine monohydrate is a crystalline compound formed from creatine and one molecule of water. Its systematic name is N-(aminoiminomethyl)-N-methylglycine monohydrate, and it appears as a white, odorless powder with limited solubility in water. The monohydrate is the most common solid form used in research and commercial products because it is stable under dry conditions. The anhydrous form lacks the water of crystallization and differs slightly in molar mass. Both forms participate in the same biochemical reactions once dissolved.
In the body, creatine is synthesized from the amino acids arginine, glycine, and methionine, primarily in the liver and kidneys. It is transported to muscle and other tissues, where it is phosphorylated to phosphocreatine by creatine kinase. This phosphagen system provides a rapid source of adenosine triphosphate during short, intense contractions. Dietary creatine comes mainly from meat and fish, and the body's total pool is influenced by both synthesis and intake.
Regulatory treatment of creatine monohydrate varies by country and intended use. In some jurisdictions it is sold as a dietary supplement, while in others it may be treated as a food ingredient or a pharmaceutical raw material. Pharmacopeial monographs, where available, define identification, assay limits, and impurity thresholds. Manufacturers often follow these monographs or internal specifications to ensure batch-to-batch consistency. Analytical method validation is important because different methods can yield different apparent purity values if sample preparation or detection conditions are not controlled.
Quality control for creatine monohydrate begins with identity confirmation and assay determination. Laboratories commonly use high-performance liquid chromatography with ultraviolet detection, often after derivatization or using a suitable column, to quantify creatine. Karl Fischer titration measures water content, which helps verify the monohydrate stoichiometry. Additional tests screen for heavy metals, residual solvents, and microbial contamination depending on the intended use. These tests establish composition and purity rather than biological effect.
== Industrial applications == Imidazole itself has few direct applications. It is instead a precursor to a variety of agrichemicals, including enilconazole, climbazole, clotrimazole, prochloraz, and bifonazole.
The 2-aza-β-tyrosine subunit of kedarcidin chromophore is altogether unknown in any other natural product; this lack of precedence frustrates any attempt at a priori identification of the genes responsible for synthesizing this structure. However, six genes are conserved among the biosynthetic clusters of kedarcidin, C-1027, and maduropeptin—while these later two enediynes do not contain a 2-aza-β-tyrosine subunit, they do feature similar (L)-tyrosine-derived components, leading Shen et al. to propose a pathway for the synthesis of the corresponding kedarcidin subunit beginning with 2-aza-L-tyrosine. This α-amino acid is thus believed to be converted to the corresponding β-amino acid by KedY4, an aminomutase encoded in the ked cluster. The resulting product is believed to be loaded onto the peptidyl carrier protein KedY2 and subsequently chlorinated by KedY3, an flavin adenine dinucleotide-dependent halogenase.
Lynch, Britt-Gibson, and Black all initially auditioned for the role of Alamo before being assigned their parts. Rosalía's song "Malamente" had appeared in season 1 episode five "'03 Bonnie and Clyde, and she co-wrote "Lo Vas a Olvidar" with Billie Eilish for the 2021 special episode "Fuck Anyone Who's Not a Sea Blob". Hardison previously worked with Zendaya on her Disney Channel series K.C. Undercover, playing her character's father, Craig Cooper. In October, Colleen Camp, Gideon Adlon, Hemky Madera, Homer Gere, Jack Topalian, Jessica Blair Herman, Madison Thompson, Matthew Willig, Rebecca Pidgeon, and Sam Trammell joined the cast in more recurring roles.
=== Prenatal development === The prenatal portion of tissue-resident dermal macrophages is produced from yolk-sac derived precursors. The generation of dermal macrophages results from primitive haematopoiesis or definitive haematopoiesis. Primitive haematopoiesis allows the generation of yolk-sac derived macrophages and subsequent release into the foetal bloodstream for tissue infiltration and colonisation. The infiltration of the skin by yolk-sac derived macrophages occurs as soon as 8.5 days after fertilisation. Different gene expressions regulate this process. It is independent of the MYB gene and dependent on the PU.1 gene. Definitive haematopoiesis occurs from 11 days and onwards after fertilisation. Monocytes are produced from haematopoietic stem cells in the liver, and they subsequently infiltrate the skin via the foetal bloodstream. In this process, cytokines like CSF1 are essential in facilitating the differentiation of monocytes into tissue-resident dermal macrophages and their survival. Therefore, the differentiation of monocytes to dermal macrophages is CSF-1/CSF1R dependent. The level of dermal macrophages from prenatal development remains detectible through constant, slow proliferation.
Sources: en.wikipedia.org
Plants have been engineered for scientific research, to display new flower colors, deliver vaccines, and to create enhanced crops. Many plants are pluripotent, meaning that a single cell from a mature plant can be harvested and under the right conditions can develop into a new plant. This ability can be taken advantage of by genetic engineers; by selecting for cells that have been successfully transformed in an adult plant a new plant can then be grown that contains the transgene in every cell through a process known as tissue culture. Much of the advances in the field of genetic engineering has come from experimentation with tobacco. Major advances in tissue culture and plant cellular mechanisms for a wide range of plants has originated from systems developed in tobacco. It was the first plant to be altered using genetic engineering and is considered a model organism for not only genetic engineering, but a range of other fields. As such the transgenic tools and procedures are well established making tobacco one of the easiest plants to transform. Another major model organism relevant to genetic engineering is Arabidopsis thaliana. Its small genome and short life cycle makes it easy to manipulate and it contains many homologs to important crop species. It was the first plant sequenced, has a host of online resources available and can be transformed by simply dipping a flower in a transformed Agrobacterium solution. In research, plants are engineered to help discover the functions of certain genes.
Headaches Enlargement of the hands, feet, nose, lips, and ears, and a general thickening of the skin Soft tissue swelling of internal organs, notably the heart with the attendant weakening of its muscularity, and the kidneys, also the vocal cords resulting in a characteristic thick, deep voice and slowing of speech Generalized expansion of the skull at the fontanelle Pronounced brow protrusion, often with ocular distension (frontal bossing) Pronounced lower jaw protrusion (prognathism) with attendant macroglossia (enlargement of the tongue) and teeth spacing Hypertrichosis, hyperpigmentation and hyperhidrosis Skin tags Carpal tunnel syndrome
Campbell-Bannerman tried to keep these forces together at the head of a moderate Liberal rump, but in 1901 he delivered a speech on the government's "methods of barbarism" in South Africa that pulled him further to the left and nearly tore the party in two. The party was saved after Salisbury's retirement in 1902 when his successor, Arthur Balfour, pushed a series of unpopular initiatives such as the Education Act 1902 and Joseph Chamberlain called for a new system of protectionist tariffs. Campbell-Bannerman was able to rally the party around the traditional liberal platform of free trade and land reform and led them to the greatest election victory in their history. This would prove the last time the Liberals won a majority in their own right. Although he presided over a large majority, Sir Henry Campbell-Bannerman was overshadowed by his ministers, most notably H. H. Asquith at the Exchequer, Edward Grey at the Foreign Office, Richard Burdon Haldane at the War Office and David Lloyd George at the Board of Trade. Campbell-Bannerman retired in 1908 and died soon after. He was succeeded by Asquith, who stepped up the government's radicalism. Lloyd George succeeded Asquith at the Exchequer and was in turn succeeded at the Board of Trade by Winston Churchill, a recent defector from the Conservatives.
Progesterone is available in a variety of different forms, including oral capsules; sublingual tablets; vaginal capsules, tablets, gels, suppositories, and rings; rectal suppositories; oil solutions for intramuscular injection; and aqueous solutions for subcutaneous injection. A 1% topical progesterone gel is approved for local application to the breasts to treat breast pain, but is not indicated for systemic therapy. Progesterone was previously available as an intrauterine device for use in hormonal contraception, but this formulation was discontinued. Progesterone is also limitedly available in combination with estrogens such as estradiol and estradiol benzoate for use by intramuscular injection. In addition to approved pharmaceutical products, progesterone is available in unregulated custom compounded and over-the-counter formulations like systemic transdermal creams and other preparations. The systemic efficacy of transdermal progesterone is controversial and has not been demonstrated.
For much of the Cold War, the role of 21 SAS and 23 SAS was to provide stay-behind parties in the event of a Warsaw Pact invasion of western Europe, forming together I Corps' Corps Patrol Unit. In the case of an invasion, this Special Air Service Group would have let themselves be bypassed and remained behind in order to collect intelligence behind Warsaw Pact lines, conduct target acquisition, and thus try to slow the enemy's advance. In early 2003, a squadron of about 60 soldiers from 21 SAS and 23 SAS, were deployed to Afghanistan. In 2005, for the first time since the Malayan Emergency a whole Reserve squadron deployed from one of the regiments to Afghanistan to conduct reconnaissance of Helmand province in preparation for the establishment of a Task Force based around 16 Air Assault Brigade.
Sources: en.wikipedia.org
A retrospective study of patients with CRKp and CSKp infection asserted that the use of cephalosporins (a class of β-lactam antibiotics) used before invasive procedures was higher in patients with CRKp infection, suggesting that it is a risk factor. In a three-year study, the prevalence of CRE was shown to be proportional to the lengths of stays of the patients in those hospitals. Policies regarding contact precaution for patients infected or colonized by gram-negative pathogens were also observed in hospitals reporting decreases in CRE prevalence. One case study showed that patients with a compromised immune response are especially susceptible to both CRE exposure and infection. In one study, an elderly patient with acute lymphoblastic leukemia being treated in a long-term care facility contracted a CRE infection. Her age and condition, combined with her environment and regulation by a catheter and mechanical ventilation, all contributed to a higher susceptibility. Another major risk factor is being in a country with unregulated antibiotic distribution. In countries where antibiotics are over-the-counter and obtainable without a prescription, the incidence and prevalence of CRE infections were higher. One study from Japan found that 6.4% of healthy adults carried ESBL (mostly cefotaximase)-producing strains compared to 58.4% in Thailand, where antibiotics are available over the counter and without prescription. An Egyptian research group found that 63.3% of healthy adults were colonized.
=== Other and unspecified disorders of metabolism === 277 Other and unspecified disorders of metabolism 277.0 Cystic fibrosis 277.1 Disorders of porphyrin metabolism Porphyria Acute intermittent porphyria 277.2 Other disorders of purine and pyrimidine metabolism Lesch–Nyhan syndrome Purine nucleoside phosphorylase deficiency Xanthinuria 277.3 Amyloidosis Familial Mediterranean fever 277.4 Hyperbilirubinemia Crigler–Najjar syndrome Gilbert's syndrome 277.5 Mucopolysaccharidosis Hunter syndrome Hurler syndrome Morquio–Brailsford disease Sanfilippo syndrome 277.6 Other deficiencies of circulating enzymes Alpha 1-antitrypsin deficiency Biotinidase deficiency Hereditary angioedema 277.7 Dysmetabolic syndrome X Metabolic syndrome 277.8 Other specified disorders of metabolism 277.81 Primary carnitine deficiency 277.82 Carnitine deficiency due to inborn errors of metabolism 277.83 Iatrogenic carnitine deficiency 277.84 Other secondary carnitine deficiency 277.85 Disorders of fatty acid oxidation metabolism Carnitine palmitoyltransferase I deficiency Carnitine palmitoyltransferase II deficiency Very long-chain acyl-coenzyme A dehydrogenase deficiency Long-chain 3-hydroxyacyl-coenzyme A dehydrogenase deficiency Medium-chain acyl-coenzyme A dehydrogenase deficiency 277.86 Disorders of peroxisomal metabolism Zellweger syndrome 277.87 Disorders of mitochondrial metabolism Kearns–Sayre syndrome Mitochondrial encephalopathy, lactic acidosis and stroke-like episodes (MELAS syndrome) Mitochondrial neurogastrointestinal encephalopathy syndrome (MNGIE) Myoclonus with epilepsy and with ragged red fibers (MERRF syndrome) Neuropathy, ataxia, and retinitis pigmentosa (NARP syndrome) 277.88 Tumor lysis syndrome 277.89 Other specified disorders of metabolism
Venous access is any method used to access the bloodstream through the veins, either to administer intravenous therapy such as medication, or fluid, parenteral nutrition, to obtain blood for analysis, or to provide an access point for blood-based treatments such as dialysis or apheresis. Access is most commonly achieved via the placement of a central venous catheter, a Seldinger technique, and guidance tools such as ultrasound and fluoroscopy can also be used to assist with access location.
In 1957, Boyd Orr served as president of the Second International Humanist Congress, and contributed to the 1968 volume The Humanist Outlook alongside many other prominent humanists. In 1960 Boyd Orr was elected the first president of the World Academy of Art and Science, which was set up by eminent scientists of the day concerned about the potential misuse of scientific discoveries, most especially nuclear weapons. Along with Albert Einstein, Orr was one of the sponsors of the Peoples' World Convention (PWC), also known as Peoples' World Constituent Assembly (PWCA), which took place in 1950–51 at Palais Electoral, Geneva, Switzerland. He was also one of the signatories of the agreement to convene a convention for drafting a world constitution. As a result, for the first time in human history, a World Constituent Assembly convened to draft and adopt the Constitution for the Federation of Earth. Boyd Orr was a member of Bertrand Russell's Who Killed Kennedy? Committee which challenged the official version of the assassination of John F. Kennedy.
Jimmy John's Franchise, LLC, commonly referred to as Jimmy John's, is an American multinational sandwich chain, headquartered in Champaign, Illinois. The business was founded by Jimmy John Liautaud in 1983. After Liautaud graduated from high school, his father gave him a choice to either join the military or start a business. Liautaud decided to start a hot dog business, which changed to sandwiches due to costs. The Jimmy John's chain has over 2,800 locations, with 98% of them being franchises. In 2016, Roark Capital Group purchased a majority stake in the company. Later, in 2019, Inspire Brands purchased the company from Roark Capital Group for an unspecified amount.
Sources: en.wikipedia.org
Creatine is the base compound, while creatine monohydrate is a solid crystalline form that contains one water molecule per creatine molecule. Once dissolved, the monohydrate dissociates and releases creatine, which can participate in cellular energy metabolism. The monohydrate is the form most commonly used in research and commercial products.
Meat and fish contain creatine, and the human body also synthesizes it from amino acids. The monohydrate form is not a natural food ingredient as such; it is a manufactured crystalline solid that provides creatine after ingestion. Food sources contribute to total body creatine stores alongside endogenous synthesis.
It means the crystal lattice includes one molecule of water for each molecule of creatine. This water is part of the solid's ordered structure, not bulk moisture. The hydrate form influences properties such as solubility, density, and shelf stability.
It is the hydrated crystalline form of creatine, containing one bound water molecule per creatine unit. The compound is commonly used as a nutritional ingredient and as a research material.