Abstract: Package structures and methods for manufacturing the same are provided. The package structure includes a first bump structure formed over a first substrate. The first bump structure includes a first pillar layer formed over the first substrate and a first barrier layer formed over the first pillar layer. In addition, the first barrier layer has a first protruding portion laterally extending outside a first edge of the first pillar layer. The package structure further includes a second bump structure bonded to the first bump structure through a solder joint. In addition, the second bump structure includes a second pillar layer formed over a second substrate and a second barrier layer formed over the second pillar layer. The first protruding portion of the first barrier layer is spaced apart from the solder joint.

Abstract: Disclosed herein are ACE2-Fc fusion polypeptides that contain at least one binding site for a spike protein of a coronavirus and methods of using such for therapeutic and/or diagnostic purposes. Also provided herein are methods for producing such fusion polypeptides.

Abstract: The bicycle carrying bag includes a main bag and a shoulder strap. The main bag is composed of a bag sheet and a soft pad top-dressed on the bag sheet. Edges of the bag sheet are disposed with a first zipper and a second zipper to make the bag sheet form a bag body. Two blanks are remained between the two zippers and are disposed with a pair of Velcro patches. The shoulder strap includes a belt and two belt connectors. Each the belt connector is composed of a first member and a second member. The first member is located at an end of the belt. A loop is formed when the first and second members are engaged for looping up a frame and wheel of a bicycle. The shoulder strap may pass through the pair of Velcro patches.

Abstract: A cover for protecting a drivetrain system, which is used when a bicycle is stowed in a carrying bag, is disclosed. The chain bag is a rectangular bag with two hanging belts. The hanging belts are separately disposed with velcro fasteners for hanging on a frame or rack of a bicycle.