Abstract: The invention discloses a head protection device and an infant carrier including the head protection device, which is suitable for being sleeved outside a shoulder strap of an infant carrier and an adjustment buckle wound around the shoulder strap, the shoulder strap is connected between a backrest and a seat body of the infant carrier, the head protection device comprises a protective sheet, a connecting member and a positioning member both disposed on the protective sheet, left and right ends of the protective sheet are detachably connected by the connecting member, so as to be capable of being sleeved outside the shoulder strap and the adjustment buckle, the positioning member is used to be clamped with the adjustment buckle and/or the shoulder strap wound around the adjustment buckle, such that the adjustment buckle and the shoulder strap wound around the adjustment buckle are always wrapped in the head protection device.

Abstract: The present disclosure provides a buckle assembly and a baby carrier. The buckle assembly includes a sliding element and a guiding element, wherein the sliding element includes a first fitting part and the guiding element includes a second fitting part, one of the first fitting part and the second fitting part receives the other, so that the sliding element is connected to the guiding element and may slide linearly on the guiding element.

Abstract: A T cell product for administration to a subject and a use thereof are provided. The product includes at least one allogeneic T cell, which expresses at least one MHC molecule identified as an exogenous source by at least one T cell of the subject. The T cell product can widen the range of a donor and activate an immune response of the subject. The T cell product is used in the preparation of a drug for treating tumors.

Abstract: Provided is a method for modifying a cell, which comprises the following steps: transfecting a target molecule and a screening marker molecule to a cell in a non-viral manner, so that the cell expresses the target molecule and the screening marker molecule. Also provided is a modified cell obtained using the method. The method can effectively enrich the desired cell and increase cell positivity with respect to the target molecule.

Abstract: A shoulder belt assembly for a seat of a baby carrier includes: a fixing belt, both ends of which are fixed to the seat; an adjusting component slidably arranged on the fixing belt; and an adjusting belt connected to the adjusting component in such a way that a length thereof is adjustable. The shoulder belt assembly has advantages of various adjustment modes, simple structure, convenient operation and the like.

Abstract: A shoulder belt assembly is used on a seat of a baby carrier. The shoulder belt assembly includes: a fixing belt, both ends of which are fixed to the seat; an adjusting component slidably arranged on the fixing belt; and an adjusting belt connected to the adjusting component in such a way that a length thereof is adjustable. The shoulder belt assembly has advantages of various adjustment modes, simple structure, convenient operation and the like.

Abstract: A baby hammock is provided including: a crib support; a first peripheral crib fence mounted to the crib support and having an opening at a bottom thereof; and a hammock portion, where a periphery of the hammock portion is detachably connected to the first peripheral crib fence by at least one first zipper, and the hammock portion covers the opening of the first peripheral crib fence. A baby crib including the above baby hammock is also provided.

Abstract: A baby hammock is provided including: a crib support; a first peripheral crib fence mounted to the crib support and having an opening at a bottom thereof; and a hammock portion, where a periphery of the hammock portion is detachably connected to the first peripheral crib fence by at least one first zipper, and the hammock portion covers the opening of the first peripheral crib fence. A baby crib including the above baby hammock is also provided.

Abstract: The present disclosure discloses a shoulder belt assembly and a baby carrier. The shoulder belt assembly is used on a seat of a baby carrier, and includes: a fixing belt, both ends of which are fixed to the seat; an adjusting component slidably arranged on the fixing belt; and an adjusting belt connected to the adjusting component in such a way that a length thereof is adjustable. The shoulder belt assembly of the present disclosure has advantages of various adjustment modes, simple structure, convenient operation and the like.