ActivityPub Viewer

A small tool to view real-world ActivityPub objects as JSON! Enter a URL or username from Mastodon or a similar service below, and we'll send a request with the right Accept header to the server to view the underlying object.

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{ "@context": [ "https://www.w3.org/ns/activitystreams", { "ostatus": "http://ostatus.org#", "atomUri": "ostatus:atomUri", "inReplyToAtomUri": "ostatus:inReplyToAtomUri", "conversation": "ostatus:conversation", "sensitive": "as:sensitive", "toot": "http://joinmastodon.org/ns#", "votersCount": "toot:votersCount", "Hashtag": "as:Hashtag" } ], "id": "https://mathstodon.xyz/users/albertcardona/statuses/113267879250469345", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-10-07T19:51:17Z", "url": "https://mathstodon.xyz/@albertcardona/113267879250469345", "attributedTo": "https://mathstodon.xyz/users/albertcardona", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/albertcardona/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/albertcardona/statuses/113267879250469345", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2024-10-07:objectId=117788843:objectType=Conversation", "content": "<p>Turns out the postsynaptic densities (PSD) that we use in electron microscopy to identify synapses aren’t made of large protein aggregates but rather of specialised cellular organelles:</p><p>“we combined mouse genetics and cryo-electron tomography to determine the 3D molecular architecture of fresh isolated and anatomically intact synapses in the adult forebrain. The native glutamatergic synapse did not consistently show a high density of proteins at the postsynaptic membrane thought to be characteristic of the PSD. Instead, a ‘synaptoplasm’ consisting of cytoskeletal elements, macromolecular complexes and membrane-bound organelles extended throughout the pre- and post-synaptic compartments.”</p><p>Excellent work by Julia Peukes et al. 2024 <a href=\"https://elifesciences.org/reviewed-preprints/100335\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">elifesciences.org/reviewed-pre</span><span class=\"invisible\">prints/100335</span></a></p><p><a href=\"https://mathstodon.xyz/tags/neuroscience\" class=\"mention hashtag\" rel=\"tag\">#<span>neuroscience</span></a> <a href=\"https://mathstodon.xyz/tags/synapses\" class=\"mention hashtag\" rel=\"tag\">#<span>synapses</span></a> <a href=\"https://mathstodon.xyz/tags/CryoEM\" class=\"mention hashtag\" rel=\"tag\">#<span>CryoEM</span></a> <a href=\"https://mathstodon.xyz/tags/CryoCLEM\" class=\"mention hashtag\" rel=\"tag\">#<span>CryoCLEM</span></a></p>", "contentMap": { "en": "<p>Turns out the postsynaptic densities (PSD) that we use in electron microscopy to identify synapses aren’t made of large protein aggregates but rather of specialised cellular organelles:</p><p>“we combined mouse genetics and cryo-electron tomography to determine the 3D molecular architecture of fresh isolated and anatomically intact synapses in the adult forebrain. The native glutamatergic synapse did not consistently show a high density of proteins at the postsynaptic membrane thought to be characteristic of the PSD. Instead, a ‘synaptoplasm’ consisting of cytoskeletal elements, macromolecular complexes and membrane-bound organelles extended throughout the pre- and post-synaptic compartments.”</p><p>Excellent work by Julia Peukes et al. 2024 <a href=\"https://elifesciences.org/reviewed-preprints/100335\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">elifesciences.org/reviewed-pre</span><span class=\"invisible\">prints/100335</span></a></p><p><a href=\"https://mathstodon.xyz/tags/neuroscience\" class=\"mention hashtag\" rel=\"tag\">#<span>neuroscience</span></a> <a href=\"https://mathstodon.xyz/tags/synapses\" class=\"mention hashtag\" rel=\"tag\">#<span>synapses</span></a> <a href=\"https://mathstodon.xyz/tags/CryoEM\" class=\"mention hashtag\" rel=\"tag\">#<span>CryoEM</span></a> <a href=\"https://mathstodon.xyz/tags/CryoCLEM\" class=\"mention hashtag\" rel=\"tag\">#<span>CryoCLEM</span></a></p>" }, "updated": "2024-10-07T19:52:57Z", "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/cryoclem", "name": "#cryoclem" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/cryoem", "name": "#cryoem" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/synapses", "name": "#synapses" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/neuroscience", "name": "#neuroscience" } ], "replies": { "id": "https://mathstodon.xyz/users/albertcardona/statuses/113267879250469345/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/albertcardona/statuses/113267879250469345/replies?only_other_accounts=true&page=true", "partOf": "https://mathstodon.xyz/users/albertcardona/statuses/113267879250469345/replies", "items": [] } }, "likes": { "id": "https://mathstodon.xyz/users/albertcardona/statuses/113267879250469345/likes", "type": "Collection", "totalItems": 5 }, "shares": { "id": "https://mathstodon.xyz/users/albertcardona/statuses/113267879250469345/shares", "type": "Collection", "totalItems": 9 } }