WADA comes up often in conversation and rarely with the context attached. Here we lay out the basics in order, then work through the practical considerations.
Last reviewed on 2026-03-02. Where a claim depends on a specific study, the study is described rather than over-claimed.
Analytical chemists detect SR9009 with liquid chromatography-tandem mass spectrometry, commonly abbreviated LC-MS/MS. Sample preparation may involve protein precipitation, liquid-liquid extraction, or solid-phase extraction before analysis. Laboratories can target the parent compound or its metabolites, depending on the matrix and the purpose of testing. Anti-doping methods require sensitive and specific assays because concentrations in biological samples can be low. Reference standards and validated methods are essential for reliable identification and quantification.
Regulatory agencies have not approved SR9009 for human therapeutic use. It is typically sold as a research chemical with labels stating that it is not for human consumption. The World Anti-Doping Agency prohibits the substance in sport, generally under the category of non-approved substances. Customs and national laws may restrict importation, sale, or possession. Product quality and legal status can vary by country and vendor, and therapeutic claims are not permitted in regulated advertising because the compound lacks approval.
Preclinical reports have linked SR9009 to improved endurance and altered energy expenditure in rodents. Such findings have prompted interest in whether REV-ERB activation can influence skeletal muscle metabolism. However, the reported effects depend on dose, route, and experimental model, and replication across laboratories is limited. Human trials have not established comparable outcomes, so claims about exercise performance remain speculative. The absence of controlled human data is a central limitation in interpreting these observations.
The mechanism of action involves binding to REV-ERB receptors and recruiting corepressor complexes, which represses target gene transcription. This contrasts with many nuclear receptor agonists that activate transcription. Downstream effects may include changes in autophagy, mitochondrial biogenesis, and lipid handling, but the precise pathways remain an active area of study. Whether these molecular events translate into meaningful physiological effects in humans is unresolved. Most evidence comes from cultured cells and rodent models rather than human participants.
| Property | Value | Notes |
|---|---|---|
| Regulatory status | Not approved for human use | Research-use-only status in many markets |
| WADA status | Prohibited in sport | Generally listed as a non-approved substance |
| Detection technique | LC-MS/MS | Common for urine and blood analysis |
| Common alias | Stenabolic | Informal market nickname, not a pharmacopoeial name |
| Purity check | HPLC or LC-UV | Independent certificate of analysis is typical |
SR9009 is a synthetic small molecule studied as an agonist of the nuclear receptors REV-ERBα and REV-ERBβ. It is not a steroid, peptide, or natural hormone. In scientific literature, it appears under the code SR9009 and in non-scientific contexts as Stenabolic. The compound was identified through chemical screening efforts aimed at targeting circadian clock components. Its status remains investigational, and no regulatory agency has approved it as a human medicine.
REV-ERB proteins help regulate daily cycles in gene expression, including genes tied to lipid and glucose metabolism. SR9009 binds these receptors and alters their activity in cell and animal experiments. Consequences observed in rodents include changes in skeletal muscle oxidative capacity, blood lipid levels, and exercise performance. The precise chain from receptor occupancy to whole-body effects is still an active area of study. Human responses cannot be assumed from rodent data.
Most published work on SR9009 consists of preclinical studies. It is widely sold as a research chemical, a category that does not imply safety, efficacy, or pharmaceutical-grade quality. Sports anti-doping organizations have listed SR9009 as a prohibited substance, and its presence in an athlete sample can lead to sanctions. Legal status differs by country; in several jurisdictions it is not approved for human consumption and may be treated as an unapproved new drug.
She has given a great deal of thought to how women are taught to act as they grow up and how that may impact their career decisions. In an interview in 2004, Osborn said, "In deciding whether to accept new challenges a remark by Diane Britten some years ago in The Times has proved very helpful: "When asked to do something women tend to say `Why me?' Men say `Why not me?' I have learned to say `Why not me?''' Summing up her advice to those in charge of sciences in universities and industry, she said in 2012, "Above all one has to get the argument across that it is wasteful, expensive and unfair to educate and train large numbers of woman scientists and then not use their talents in the job market or provide equal access to the top jobs."
=== Intrinsic properties and resistance === Polyvinylidene fluoride expresses inherent resistance characteristics in certain high-focus applications. Namely these are: ozone oxidation reactions, nuclear radiation, UV damage, and microbiological, fungus growth. PVDF's resistance to these conditions is fairly distinctive among thermoplastic materials. PVDF's carbon and fluoride elemental stability contributes to this resistance, as well as the polymeric integration of PVDF during its processing.
{\displaystyle {\begin{aligned}K_{M}^{\prime }\ &{\stackrel {\mathrm {def} }{=}}\ {\frac {k_{3}}{k_{2}+k_{3}}}K_{M}={\frac {k_{3}}{k_{2}+k_{3}}}\cdot {\frac {k_{2}+k_{-1}}{k_{1}}}\\k_{cat}\ &{\stackrel {\mathrm {def} }{=}}\ {\dfrac {k_{3}k_{2}}{k_{2}+k_{3}}}\end{aligned}}}
As a member of Team X, Logan was given false memory implants. Eventually breaking free of this mental control, he joined the Canadian Defense Ministry. Logan was subsequently kidnapped by the Weapon X program, where he was held captive and made a subject of experiments; the program fused adamantium onto his bones, before he escaped. James and Heather Hudson helped him recover his humanity following his escape, and Logan began work as an intelligence operative for the Canadian government's Department H. He becomes Wolverine, one of Canada's first superheroes. In his first mission, he is dispatched to stop the destruction caused by a brawl between the Hulk and the Wendigo. Professor Charles Xavier recruits Wolverine to a new iteration of his superhero-mutant team, the X-Men. He competes with Cyclops for the affection of Jean Grey. While his teammates often distrust him, Wolverine is invaluable in rescuing the others and defeating their enemies, particularly in their conflict with the Hellfire Club; due to their influence, Jean transforms into the Dark Phoenix and apparently sacrifices herself, temporarily ending the love triangle involving her, Wolverine, and Cyclops. Wolverine becomes engaged to Mariko Yashida, a wealthy businesswoman whose father is head of the Clan Yashida criminal organization, and battles the Hand, a secret society of ninjas. However, she breaks off the engagement, under the influence of a member of the Hellfire Club. He battles Sabretooth, and discovers that he had multiple encounters with him that his traumatic amnesia concealed.
Sources: en.wikipedia.org
=== Zinc and cadmium === Zinc and cadmium are both extracted by an ion exchange process, the N,N,N′,N′-tetrakis(2-pyridylmethyl)ethylenediamine (TPEN) acts as a masking agent for the zinc and an extractant for the cadmium. In the modified Zincex process, zinc is separated from most divalent ions by solvent extraction. D2EHPA (Di (2) ethyl hexyl phosphoric acid) is used for this. A zinc ion replaces the proton from two D2EHPA molecules. To strip the zinc from the D2EHPA, sulfuric acid is used, at a concentration of above 170g/L (typically 240-265g/L).
=== Aging === There is a strong association between SIRT3 alleles and longevity in males. Activation of SIRT3 inhibits the apoptosis leading to age-related macular degeneration. SIRT3 induced mitophagy, inhibiting cell death, and thus could be used to treat neurodegenerative diseases.
==== American Federation of Government Employees v. Trump ==== A lawsuit was filed on February 6, 2025, by the American Foreign Service Association and the American Federation of Government Employees in the US District Court for the District of Columbia, requesting a temporary restraining order and preliminary injunction against the administration, claiming that it violated separation of powers, the Take Care Clause of the Constitution, and the Administrative Procedure Act and requesting that all attempts to shut down the agency be halted, all recent actions be reversed, and a new acting director be appointed. The following day, U.S. District Judge Carl Nichols, nominated by President Trump in 2019, stated from the bench that he would enter in a "temporary restraining order", pausing the plan to put thousands of employees on leave and pausing the accelerated removal of workers from their posts abroad. On February 21, 2025, Judge Nichols cleared the way for the Trump administration to move forward with pulling thousands of USAID staffers off the job in the United States and around the world, as part of an administration plan to also provide those abroad with a 30-day deadline to move back to the U.S. at government expense. Nichols had previously argued that Trump's actions threaten the safety of USAID workers abroad because many are deployed in unstable regions.
Sources: en.wikipedia.org
Also in 1978, the Victorian Education Department under the direction of the Deputy Premier and Minister of Education, Lindsay Thompson, established the Victorian College of the Arts Technical School, a government secondary school for dancers and musicians (see Victorian College of the Arts Secondary School) in close association with the VCA and located on the same campus.
== Genomics == Hydra has more than 20,000 genes, along with a set of six actinoporin-like toxin genes found in its nematocysts. An ortholog comparison analysis done in 2013 demonstrated that Hydra share a minimum of 6,071 genes with humans. Hydra is becoming an increasingly better model system as more genetic approaches become available. Transgenic hydra have become attractive model organisms to study the evolution of immunity. A draft of the genome of Hydra magnipapillata was reported in 2010. The genus Hydra is divided into two clades, the green hydras (e.g. H. viridissima) and the brown hydras (e.g. H. oligactis, H. vulgaris). The genomes of cnidarians are usually less than 500 Mb (megabases) in size, as in the green hydras, which has a genome size of approximately 300 Mb. In contrast, the genomes of brown hydras are approximately 1 Gb in size. This is because the brown hydra genome is the result of an expansion event involving LINEs, a type of transposable elements, in particular, a single family of the CR1 class. This expansion is unique to this subgroup of the genus Hydra and is absent in the green hydra, which has a repeating landscape similar to other cnidarians. These genome characteristics make Hydra attractive for studies of transposon-driven speciations and genome expansions. Due to the simplicity of their life cycle when compared to other hydrozoans, Hydras have lost many genes that correspond to cell types or metabolic pathways of which the ancestral function is still unknown.
where nA · nB is the dot product of the vectors and |nA| |nB| is the product of their lengths. The absolute value is required in above formulas, as the planes are not changed when changing all coefficient signs in one equation, or replacing one normal vector by its opposite. However the absolute values can be and should be avoided when considering the dihedral angle of two half planes whose boundaries are the same line. In this case, the half planes can be described by a point P of their intersection, and three vectors b0, b1 and b2 such that P + b0, P + b1 and P + b2 belong respectively to the intersection line, the first half plane, and the second half plane. The dihedral angle of these two half planes is defined by
During the Second Libyan Civil War, Libyans started capturing Sub-Saharan African migrants trying to get to Europe through Libya and selling them on slave markets or holding them hostage for ransom Women are often raped, used as sex slaves, or sold to brothels. Child migrants suffer from abuse and child rape in Libya.
Sources: en.wikipedia.org
Legality depends on the country and the intended use. In many places it is not approved as a medicine and may be sold only as a research chemical. Importation or possession can be restricted, and sports organizations prohibit it.
Anti-doping laboratories typically use LC-MS/MS to detect SR9009 or its metabolites in urine or blood. The exact assay depends on the laboratory and the testing program. Detection can be challenging because the compound may be rapidly metabolized and present at low levels.
Stenabolic is an informal nickname used in online fitness and research-chemical markets, not an official drug name. It likely references reported effects on endurance in rodent studies. The nickname does not imply approval or proven human benefit.
It is a synthetic compound that acts as an agonist at REV-ERBα and REV-ERBβ. It is used mainly as a research chemical to study circadian and metabolic pathways. It is not approved for human therapeutic use.