SELF-FOLDING 3D FILM ASSEMBLIES
    62.
    发明申请

    公开(公告)号:US20220063991A1

    公开(公告)日:2022-03-03

    申请号:US17413773

    申请日:2019-12-24

    Abstract: A substantially planar self-folding film assembly to generate a folded three-dimensional assembly. The assembly includes a flexible support substrate, adhesive elements, and folding members. The folding members include a base, a folding region, and a hinge adjacent each folding region attached at the base to the flexible support substrate by at least one of the adhesive elements. An array of polymer actuators is co-extensive, or shaped to be not co-extensive, with each of the flexible folding members. Upon activation by a patterned light to heat conversion layer, each polymer actuator is designed and configured to provide a displacement of the corresponding flexible folding member about each hinge.

    Culture device and methods for enumerating mold colonies

    公开(公告)号:US11066634B2

    公开(公告)日:2021-07-20

    申请号:US16196564

    申请日:2018-11-20

    Abstract: A thin film culture device for enumerating mold colonies is provided. The device comprises water-resistant first and second substrates with a growth region disposed therebetween, a dry, cold water-soluble gelling agent disposed in the growth region, and an effective amount of a calcium-chelating compound disposed in the growth region. The effective amount of calcium-chelating compound is capable of reducing a rate of lateral enlargement of the colony-forming unit growing in the culture device relative to the rate of lateral enlargement of a colony of the same mold species growing in an otherwise identical culture device that does not contain the effective amount disposed in the growth region, wherein reducing the rate of lateral enlargement of the colony-forming unit does not substantially delay detection of the colony. A corresponding method is also provided.

    Three-dimensional article and method of making the same

    公开(公告)号:US10399255B2

    公开(公告)日:2019-09-03

    申请号:US16060823

    申请日:2016-12-20

    Abstract: Three-dimensional polymeric article (100) having first (101) and second (102) opposed major surfaces, a base body (103) having a first dimension, a second dimension perpendicular to the first dimension, and a thickness, wherein the thickness is orthogonal to the first and second dimensions, wherein the base body (103) comprises a plurality of alternating, adjacent first (107) and second (108) polymeric regions along the first dimension, wherein the second dimensions of the first (107) and second (108) regions extend at least partially across the second dimensions, wherein the first regions (107) have a first crosslink density, wherein the second regions (108) have a second crosslink density, wherein the second crosslink density of the second regions (108) are less than the first crosslink density of the first regions (107), wherein the first and second regions extend perpendicularly in two directions from a central plane (115) in the base body (103) parallel to the first and second dimensions of the polymeric article (100), and wherein the second regions (108) extend in each of said two directions further than does the first regions (107). Embodiments of the three-dimensional polymeric article described herein are useful for providing a dual sided, textured wrapping film such that greater grip is realized both on an item wrapped by the film and the wrapped item itself.

    Method of detecting a biological activity
    70.
    发明授权
    Method of detecting a biological activity 有权
    检测生物活性的方法

    公开(公告)号:US09279141B2

    公开(公告)日:2016-03-08

    申请号:US14453797

    申请日:2014-08-07

    Abstract: The present invention provides method of detecting a predetermined biological activity. The method includes using an aqueous mixture comprising a first indicator reagent with a first absorption spectrum and a second indicator reagent. The second indicator reagent is converted by the predetermined biological activity to a second biological derivative with a second emission spectrum. The first absorbance spectrum includes detectable absorbance in at least a portion of wavelengths present in the second emission spectrum. The first indicator reagent is received and concentrated from an aqueous liquid by a substrate, facilitating the detection of the second biological derivative.

    Abstract translation: 本发明提供了检测预定生物活性的方法。 该方法包括使用包含具有第一吸收光谱的第一指示剂和第二指示剂试剂的含水混合物。 第二指示剂通过预定的生物活性转化为具有第二发射光谱的第二生物衍生物。 第一吸收光谱包括在第二发射光谱中存在的波长的至少一部分中的可检测吸光度。 第一指示剂被含水液体接收并通过底物浓缩,便于检测第二生物衍生物。

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