Collins, S M; Koster, U; Robinson, A P; Ivanov, P; Cocolios, T E; Russell, B; Fenwick, A J; Bernerd, C; Stegemann, S; Johnston, K; Gerami, A M; Chrysalidis, K; Mohamud, H; Ramirez, N; Bhaisare, A; Mewburn-Crook, J; Cullen, D M; Pietras, B; Pells, S; Dockx, K; Stucki, N; Regan, P H (2023) Determination of the Terbium-152 half-life from mass-separated samples from CERN-ISOLDE and assessment of the radionuclide purity. Applied Radiation and Isotopes, 202. 111044

Braysher, E C; Russell, B; Arinc, A; Abilama, M; Shearman, R; Van Es, E; Ivanov, P; Read, D (2023) Application of inductively coupled plasma tandem mass spectrometry for re-measuring the half-life of long-lived radionuclides. In: 23rd International Conference on Radionuclide Metrology and its Applications (ICRM 2023), 26 - 31 March 2023, Bucharest, Romania.

Collins, S M; Robinson, A P; Ivanov, P; Koster, U; Cocolios, T E; Russell, B; Webster, B; Fenwick, A J; Duchemin, C; Ramos, J P; Chevallay, E; Jakobsson, U; Stegemann, S; Regan, P H; Stora, T (2022) Half-life determination of 155Tb from mass-separated samples produced at CERN-MEDICIS. Applied Radiation and Isotopes, 190. 110480

Bergeron, D E; Collins, S M; Pibida, L; Cessna, J T; Fitzgerald, R; Zimmerman, B E; Ivanov, P; Keightley, J D; Napoli, E (2021) Ra-224 activity, half-life, and 241 keV gamma ray absolute emission intensity: A NIST-NPL bilateral comparison. Applied Radiation and Isotopes, 170. 109572 ISSN 09698043

Gwyn, S; Watson, S; Slight, T; Knapp, M; Viola, S; Ivanov, P; Zhang, W; Yadav, A; Rafailov, E; Haji, M; Doherty, K E; Stanczyk, S; Grzanka, S; Perlin, P; Najda, S P; Leszczyski, M; Kelly, A E (2021) Dynamic Device Characteristics and Linewidth Measurement of InGaN/GaN Laser Diodes. IEEE Photonics Journal, 13 (1). ISSN 1943-0647

Gay, J; Hunnes, I; Pearce, A K; Ivanov, P; Wittke, K (2019) A sensitive method for the determination of the long-lived impurity Ac-227 in production batches of Xofigo (R) has been developed in order to allow for unconditional release of clinical waste after decay-in-storage. European Journal of Nuclear Medicine and Molecular Imaging, 46 (S1). S862.

Webster, B; Ivanov, P; Russell, B; Collins, S; Stora, T; Ramos, J P; Köster, U; Robinson, A P; Read, D (2019) Chemical Purification of Terbium-155 from Pseudo-Isobaric Impurities in a Mass Separated Source Produced at CERN. Scientific Reports, 9 (1). 10884 ISSN 2045-2322

Braysher, E; Russell, B; Woods, S; Garcia-Miranda, M; Ivanov, P; Bouchard, B; Read, D (2019) Complete dissolution of solid matrices using automated borate fusion in support of nuclear decommissioning and production of reference materials. Journal of Radioanalytical and Nuclear Chemistry, 321 (1). pp. 183-196. ISSN 0236-5731

Collins, S M; Keightley, J D; Ivanov, P; Arinc, A; Jerome, S M; Fenwick, A J; Pearce, A K (2019) The potential radio-immunotherapeutic α-emitter 227Th – part I: Standardisation via primary liquid scintillation techniques and decay progeny ingrowth measurements. Applied Radiation and Isotopes, 145. pp. 240-250. ISSN 09698043

Collins, S M; Keightley, J D; Ivanov, P; Arinc, A; Fenwick, A J; Pearce, A K (2019) The potential radio-immunotherapeutic α-emitter 227Th – part II: Absolute γ-ray emission intensities from the excited levels of 223Ra. Applied Radiation and Isotopes, 145. pp. 251-257. ISSN 09698043

Webster, B; Ivanov, P; Robinson, A; Collins, S; Read, D (2018) Development of a robust radiochemical separation procedure for the purification of 155 Tb for medical imaging from 139Ce impurities. Journal of Labelled Compounds & Radiopharmaceuticals, 61 (14). p. 1127.

Webster, B; Ivanov, P; Robinson, A; Collins, S; Fenwick, A; Read, D (2018) Radiochemical purification of cyclotron-produced lanthanide isotopes for medical applications. Journal of Labelled Compounds & Radiopharmaceuticals, 61 (14). p. 1119.

Underwood, C; Ferreira, K M; Russell, B; Fenwick, A J; Ivanov, P (2018) Development of a routine method for dissolution of resin microspheres for Y-90 measurement. In: Annual Congress of the European Association of Nuclear Medicine, 13-17 October 2018, Dusseldorf, Germany.

Miranda, M G; Russell, B; Ivanov, P (2018) Measurement of Sm-151 in nuclear decommissioning samples by ICP-MS/MS. Journal of Radioanalytical and Nuclear Chemistry, 316 (2). pp. 831-838.

Mohamud, Hibaaq; Ivanov, P; Russell, B C; Regan, P H; Ward, N I (2018) Selective sorption of uranium from aqueous solution by graphene oxide-modified materials. Journal of Radioanalytical and Nuclear Chemistry, 316 (2). pp. 839-848.

Van Es, E M; Ivanov, P; Read, D (2018) The adsorption of radium on borosilicate glass surfaces and its implications for the radiopharamaceutical industry. Journal of Labelled Compounds & Radiopharmaceuticals, 61 (5). p. 467.

Jerome, S M; Collins, S M; Happel, S; Ivanov, P; Russell, B C (2018) Isolation and purification of protactinium-231. Applied Radiation and Isotopes, 134. pp. 18-22. ISSN 09698043

Robinson, A P; Tipping, J; Arinc, A; Cocolis, T E; Collins, S; Cullen, D M; Denis-Bacelar, A M; Fenwick, A; Ferreira, K; Hamilton, D; Ivanov, P; Johnston, K; Keightley, J; Koster, U; Oldfield, C; Page, E; Pietras, B; Price, E; Russell, B; Webster, B; Wevrett, J (2018) Antecedent clinical imaging optimisation and activity measurements for theragnostic terbium isotopes. In: Annual Congress of the European Association of Nuclear Medicine, 13-17 October 2018, Dusseldorf, Germany.

Webster, B; Ivanov, P; Collins, S; Russell, B; Robinson, A; Read, D (2018) Purification of Tb-155 produced at CERN-MEDICS for applications in nuclear medicine. In: Annual Congress of the European Association of Nuclear Medicine, 13-17 October 2018, Dusseldorf, Germany.

Larijani, C; Schwender, P; Cockell, C; Ivanov, P; Russell, B; Aitken-Smith, P; Pearce, A K; Regan, P H (2017) Destructive and non-destructive measurements of NORM in monazite-rich sands of Brazil. Radiation Physics and Chemistry, 140. pp. 180-185.

Larijani, C; Jerome, S M; Lorusso, G; Ivanov, P; Russell, B; Pearce, A K; Regan, P H (2017) Progress on the chemical separation of fission fragments from Np-236 produced by proton irradiation of natural uranium target. Radiation Physics and Chemistry, 140. pp. 480-486.

Mohamud, H; Van Es, E M; Sainsbury, T; Ivanov, P; Russell, B; Regan, P H; Ward, N I (2017) Progress towards the development of a rapid analytical approach for separation of Ra-226 using dibenzo-18-crown-6 ether functionalised silica (SiO2) disks. Radiation Physics and Chemistry, 140. pp. 57-60.

Dean, J; Collins, S; Miranda, M G; Ivanov, P; Larijani, C; Woods, S (2017) Consensus evaluation of radioactivity-in-soil reference materials in the context of an NPL Environmental Radioactivity Proficiency Test Exercise. Appl. Radiat. Isot., 126. pp. 263-266.

van Es, E M*; Russell, B C; Ivanov, P; Read, D (2017) Development of a method for rapid analysis of Ra-226 in groundwater and discharge water samples by ICO-QQQ-MS. Appl. Radiat. Isot., 126. pp. 31-34.

Russell, B; Garcia-Miranda, M; Ivanov, P (2017) Development of an optimised method for analysis of Sr-90 in decommissioning wastes by triple quadrupole inductively coupled plasma mass specorometry. Appl. Radiat. Isot., 126. pp. 35-39.

Ivanov, P; Mu, J*; Leay, L*; Chang, S Y*; Sharrad, C A*; Masters, A J*; Schroeder, S L M* (2017) Organic and theird phase in HNO3/TBP/n-dodecane system: no reverse micelles. Solvent Extraction and Ion Exchange, 35 (4). pp. 251-265.

Van Es, E M; Russell, B C; Ivanov, P; Miranda, M G; Read, D; Dirks, C*; Happel, S* (2017) The behaviour of Ra-226 in high-volume environmental water samples on TK100 resin. J. Radioanal. Nucl. Chem., 312 (1). pp. 105-110.

Maher, Z*; Ivanov, P; O'Brien, L*; Sims, H*; Taylor, R J*; Heath, S L*; Livens, F R*; Goddard, D*; Kellet, S*; Rand, P*; Bryan, N D* (2016) Americium and plutonium association with magnesium hydroxide colloids in alkaline nuclear industry process environments. J. Nucl. Mater., 468. pp. 84-96.

Lorusso, G; Shearman, R; Regan, P H; Judge, S M; Bell, S; Collins, S M; Larijani, C; Ivanov, P; Jerome, S M; Keightley, J D; Lalkovski, S*; Pearce, A K*; Podolyak, Z (2016) Development of the NPL gamma-ray spectrometer NANA for traceable nuclear decay and structure studies. Appl. Radiat. Isot., 109. pp. 507-511.

Regan, P H; Shearman, R; Judge, S M; Lorusso, G; Main, P; Bell, S; Collins, S M; Ivanov, P; Jerome, S M; Keightley, J D; Larijani, C; Lotay, G; Pearce, A K (2015) Development of NANA: a fast-scintillator coincidence gamma-ray array for radioactive source characterisation and absolute activity measurements at the UK National Physical Laboratory. J. Phys.: Conf. Ser., 620. 012005

Larijani, C; Pickford, O L; Collins, S M; Ivanov, P; Jerome, S M; Keightley, J D; Pearce, A K; Regan, P H (2015) Progress towards the production of the (NP)-N-236g standard sources and competing fisison fragment production. Radiat. Phys. Chem., 116. pp. 69-73.

Dean, J C J; Ivanov, P; Collins, S; Garcia Miranda, M (2014) Environmental radioactivity proficiency test exercise 2013. NPL Report. IR 32

Jerome, S M; Ivanov, P; Larijani, C; Parker, D J*; Regan, P H (2014) The production of Neptunium-236g. J. Environ. Radioact., 138. pp. 315-322.