Abstract: Functionalized zeolites, including a zeolite substrate and a self-assembled monolayer of a phosphonic acid on a surface of the zeolite substrate, are disclosed, as are methods of making and using the functionalized zeolites. The disclosed methods and compositions have various applications, including in the use of molecular sieves to separate small-molecule gases from mixtures thereof. Gas adsorption selectivities and diffusion rates of the functionalized zeolites may be tuned or selected according to the disclosed methods.

Abstract: A padded strap is attached to both sides of a child car seat using two sets of hook and loop type fasteners, and alternatively, through use of two rotating discs. A child car seat head support system is thereby provided, which holds a baby's head in a comfortable, upright position while sleeping in a forward facing car seat. Stabilized support is accomplished using the padded strap to gently hold the child's head in an upright position against the back of the child's car seat. The support mechanism prevents the child's head from falling forward or “rolling” to the left or right side while the child is asleep. In an alternative embodiment, the padded strap is attached at both free ends to a tension strap with two sets of fasteners, respectively; thereby forming a single, circular strap, operable for placement over the top of the car seat.

Abstract: A padded strap is attached to both sides of a child car seat using two sets of hook and loop type fasteners, and alternatively, through use of two rotating discs. A child car seat head support system is thereby provided, which holds a baby's head in a comfortable, upright position while sleeping in a forward facing car seat. Stabilized support is accomplished using the padded strap to gently hold the child's head in an upright position against the back of the child's car seat. The support mechanism prevents the child's head from falling forward or “rolling” to the left or right side while the child is asleep. In an alternative embodiment, the padded strap is attached at both free ends to a tension strap with two sets of fasteners, respectively; thereby forming a single, circular strap, operable for placement over the top of the car seat.