In the original, there are only 24 Infusions to find. However, the Xbox One version includes all extra content, which also adds 5 more for a total of 29 Infusions. These extra Infusions are unmissable.
Focusing on one upgrade will make getting "Raising the Bar" easy as well.
Comstock Center RooftopsRooftops - The Blue Ribbon - Shield from Rosalind Lutece (plus 5 additional Infusions, unmissable, must pick up all extras before Lutece will move).
Constitution SquareFraternal Order of the Raven Headquarters - The ceremony hall, on the altar.
Rooftops - Lansdowne Residence - Bedroom, inside a chest (Key required). This is just before the house with the slave sympathizers, attach yourself to the sky hock and look for the balcony.
Monument IslandMonument Island Gateway - Monument Tower Maintenance - Guardroom, on a desk.
Monument Tower - Lobby - In the room with the Siphon, behind the desk under the blackboard with the text "Facility Unsafe" written on it.
Battleship BayArcade - Gondola Station - The main ticketing booth, on a desk.
Soldier's FieldMain Street - Soldier's Field Welcome Center - The locked ticket office (One Lockpick required).
Patriot's Pavilion - The Fellow Traveller - Restroom, secret Vox Populi stronghold, on a table (Code Book required for Vox Cipher).
Main Street - First Lady's Aerodrome - The First Lady - On a table in the flight deck (Not obtainable after the airship sets sail).
Hall of HeroesMain Hallway - Storage room - On a worktable in the back.
Courtyard - The storage, to the left from the Gift Shop - In a toolbox on a worktable.
Finkton DocksFinkton Docks - Fort Franklin - Fort Franklin Pier, the jail cell on the first floor.
Worker Induction Center Upper floor - in the locked office on a desk (Five lockpicks required).
Finkton ProperFinkton Proper, Plaza of Zeal - Good Time Club - Bottom floor of the club space, in the secluded bar on the counter, next to a "Free Sample" sign.
Finkton Proper, Plaza of Zeal - Clock Shop - Secret safe behind the larger clock o the wall (Three lockpicks required for the shop's door, Code Book required for Vox Cipher).
Shantytown Food distributing area - On a food table (It will count as stealing if the player takes the Infusion before opening the Tear in the Bull House Impound, causing some civilians in the area to attack).
Bull YardBull House Impound - Second floor office, inside a chest (Key required).
Bull House Impound - Second floor, inside the locked storage room (Five lockpicks required).
Factory - Factory Docks - On a table in the room leading to The First Lady.
EmporiaPort Prosperity - Port Prosperity Station - In a washbasin behind a locked gate (Three lockpicks required).
Grand Central Depot - The Salty Oyster - In the locked kitchen. (The Voxophone Sally! is required to able a switch under the Cash Register, which will open the kitchen).
Downtown EmporiaMarket District - In the locked Wilson Bros. & Company Bottling Works - By the window (Three lockpicks required).
Financial District - Bank of the Prophet - Executive Office, secret room, on the safe (Code Book required for Vox Cipher).
Market District - Lutece Labs - Second floor bedroom, on a table.
Comstock HouseOperating Theater - In the locked office - On the desk (Three lockpicks required).
All information pulled from
Bioshock.Wikia.