公开(公告)号：US06259965B1

公开(公告)日：2001-07-10

申请号：US09466287

申请日：1999-12-17

Applicant: Ronald Wayne Steele ,  David Joseph Harvey ,  Tran Quang Minh ,  James R. Bardin ,  Jason E. Allen

Inventor： Ronald Wayne Steele ,  David Joseph Harvey ,  Tran Quang Minh ,  James R. Bardin ,  Jason E. Allen

IPC: G06F700

CPC classification number: G07F9/02 ,  F25D2500/06 ,  G06Q10/087 ,  G07F11/42

Abstract: An apparatus for tracking the movement of a number of products. The apparatus includes a shelf with the products positioned thereon. The shelf has a fit end with an optical sensor positioned thereabout. The optical sensor tracks the movement of the products. A guard is positioned about the first end of the shelf adjacent to the optical sensor so as to prevent exterior light from interfering with the optical sensor.

Abstract translation: 用于跟踪多个产品的运动的装置。 该装置包括一个产品定位在其上的搁板。 搁架具有适合的端部，光学传感器位于其周围。 光学传感器跟踪产品的运动。 防护件围绕与光学传感器相邻的搁架的第一端定位，以防止外部光线与光学传感器干涉。

公开(公告)号：US06441146B1

公开(公告)日：2002-08-27

申请号：US09352620

申请日：1999-07-13

Applicant: Tran Quang Minh

Inventor： Tran Quang Minh

IPC: B01J2026

CPC classification number: B01D15/3828 ,  B01J20/3251 ,  B01J20/3265 ,  B01J45/00 ,  C07K1/22 ,  Y02C10/08

Abstract: Pentadentate chelators (PDC) resins are the metal chelate resins capable of forming the octahedral complexes with several polyvalent metal ions including Cu2+, Ni2+, Zn2+ and Co2+ with five coordination sites occupied by the chelator. This results in the best stability of the complexes and in one coordination site free for interaction and selective binding of accessible cysteine/histidine residues and chiefly histidine containing biomolecules such as proteins or peptides etc. Cu-PDC can be used as concentration resins to reduce the volume of a protein solution. It can be used also as a universal support for immobilizing covalently all proteins, using a soluble carbodiimide.

Abstract translation: 五齿螯合剂（PDC）树脂是能够与几种多价金属离子（包括Cu 2+，Ni 2+，Zn 2+和Co 2+）形成八面体配合物的金属螯合树脂，其中螯合剂占据五个配位点。 这导致复合物的最佳稳定性，并且在一个配位位点中不存在可接近的半胱氨酸/组氨酸残基和主要含有组氨酸的生物分子如蛋白质或肽等的相互作用和选择性结合。Cu-PDC可用作浓缩树脂以减少 蛋白质溶液的体积。 它也可以用作通过使用可溶性碳二亚胺共价固定所有蛋白质的通用载体。