| Patent Number |
Title Of Patent |
Date Issued |
| 4388241 |
Bile acids |
June 14, 1983 |
| Novel compounds having the formula (II) ##STR1## where X is radioactive Se or Te, z is 0 or 1 and R is OH or an amino acid residue, particularly 23-[.sup.75 Se]-selena-25-homocholic acid and its glycine and taurine conjugate have outstandingly good properties for the investigatio |
| 4361763 |
Smoke detectors |
November 30, 1982 |
| A smoke sensing detector for use with an indicating device comprises a chamber adapted to allow smoke to pass therethrough, an inner electrode carrying a radioactive source, a collector electrode having one or more holes and mounted on the inner electrode by insulating pillars, and an |
| 4336455 |
Smoke detectors |
June 22, 1982 |
| The invention relates to smoke detectors of the kind comprising first and second electrodes defining an ionization chamber permitting entry of smoke, said ionization chamber being optionally divided into two regions by a collector electrode, a radioactive source to ionize gas in the |
| 4336454 |
Smoke detector ionisation chamber using nickel-63 source |
June 22, 1982 |
| A smoke sensing detector of the dual ionisation region type, including an inner electrode, an outer electrode, and a collector electrode mounted on the inner electrode by means of pillers of insulating material, a first ionisation region being formed by the outer electrode and the collec |
| 4332784 |
Dual isotope assays |
June 1, 1982 |
| Dual isotope assays for thyroid function are performed by carrying out a radio-immunoassay for two of thyroxine (T4), tri-iodothyronine (T3), thyroid stimulating hormone (TSH), and thyroxine binding globulin (TBG) wherein a version of one of the thyroid components, preferably T4 or T3 is |
| 4208400 |
Assay of oestrogen |
June 17, 1980 |
| A method for assaying unconjugated oestriol in serum by radioimmunoassay is characterized by incorporating progesterone in the incubated assay mixture in an amount to substantially reduce the effect of non-specific steroid-binding proteins present in the serum. |
| 4106907 |
Centrifuge tube and method for performing assay with same |
August 15, 1978 |
| A container for radioactive counting which is essentially a tube of organic plastics material which has a radiation shield extending up to the side of the tube to a uniform height. The container has a reaction zone of from 1 to 10ml with a tapered portion towards its lower end. From 1% t |
| 4033884 |
Calibration source |
July 5, 1977 |
| A Flood Source for calibration of gamma-cameras comprises the nuclide Tellurium-123m in a solution contained uniformly within a liquid-retaining plastics sheet of uniform thickness. The plastics sheet may be enclosed in a protective metallic casing. |
| 3933996 |
Composition comprising radioactive labeled-fibrinogen and albumin |
January 20, 1976 |
| The stability of fibrinogen is improved by mixing it with albumin, preferably at least 5 parts by weight of albumin per part by weight of fibrinogen. By this invention, iodinated (.sup.125 I) human fibrinogen can be stabilised with human serum albumin for use in the diagnosis of thro |
