Scientific papers and publications mentioning LAMBDA OMNICOLL

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2023: Publications about fraction collectors & autosamplers

Fractions were taken by an automated fraction collector LAMBDA OMNICOLL.

Báez, M.E., Sarkar, B., Peña,A. Vidal, J., Espinoza, J. & Fuentes, E. (2023). Effect of surfactants on the sorption-desorption, degradation, and transport of chlorothalonil and hydroxy-chlorothalonil in agricultural soils. Environmental Pollution, 2023, 121545, ISSN 0269-7491.

Keywords: chlorothalonil, CTL, hydroxy chlorothalonil, OH-CTL,  soil remediation, surfactant, sorption-desorption, microorganisms, Triton X-100, sodium dodecyl sulphate, SDS, hexadecyltrimethylammonium bromide, HDTMA, Aerosol 22, Tween 80, degradation, volcanic soil, non-volcanic soil, fungicides, critical micellar concentration, pH, Kd

2022: Publications about fraction collectors & autosamplers

The flow velocity was maintained using a peristaltic pump. Treated effluents were collected at set time intervals using a programmable fraction collector (LAMBDA OMNICOLL single-stream collector).

Feizi, F., Sarmah, A. K., Rangsivek, R. & Gobindlal, K. (2022). Adsorptive removal of propranolol under fixed-bed column using magnetic tyre char: Effects of wastewater effluent organic matter and ball milling. Environmental Pollution, Volume 305, 2022, 119283, ISSN 0269-7491.

Keywords in publication: Magnetic tyre char, Fixed-bed column, Breakthrough curve, Effluent organic matter, HYDRUS-1D, Ball milling


Effluents were collected in 2 h increments (corresponding to 7.5 PV, ca.5.4 mL) using a fraction collector (LAMBDA OMNICOLL), sealed in PP bottles and refrigerated until analysis. 

Perdrial, N., Vázquez-Ortega, A., Reinoso-Maset, E., O'Day, P. A. & Chorover, J. (2022). Effects of flow on uranium speciation in soils impacted by acidic waste fluids. Journal of Environmental Radioactivity, Volumes 251–252, 2022, 106955, ISSN 0265-931X.

Keywords: Radionuclides, Phosphate, EXAFS, Thermodynamic modeling, Boltwoodite, Hanford site


Dynamic sorption experiments were conducted in a fixed-bed column with 5 mL of RUA21207 resin. The solution was passed through a column at a 10 mL h− 1 flow rate. Samples of the solution were taken at regular intervals (1 h) using the fraction collector & autosampler LAMBDA OMNICOLL.

Smyshlyaev, D., Kirillov, E., Kirillov, S., Bunkov, G., Rychkov, V., Botalov, M., Taukin, A., Yuldashbaeva, A. & Malyshev, A. (2022). Recovery and separation of Sc, Zr and Ti from acidic sulfate solutions for high purity scandium oxide production: Laboratory and pilot study. Hydrometallurgy, Volume 211, 2022, 105889, ISSN 0304-386X.

Keywords: Zirconium, Titanium, Scandium, Separation, Ion exchange, Sulfate solutions


Sorption with various resins was studied under dynamic conditions by passing the solution through an ion-exchange column; samples were taken by LAMBDA OMNICOLL fraction collector.

Oqilov, B. R., Botalov, M. S., Rychkov, V. N. and Kirillov , E. V. (2022). Study of sorption leaching of scandium from red mud with Succinic acid. AIP Conference Proceedings 2466, 050025 (2022).

Keywords: Sorption leaching, leaching agent, resins, ion-exchange column, fraction collector, extraction, Sc, scandium, red mud, Succinic acid, transition metals


The effluent was automatically sampled in fractions of 10 mL using a LAMBDA OMNICOLL fraction Collector. The desorption of heavy metal ions was also studied in dynamic conditions by passing a 0.1 M HCl aqueous solution through the column at a flow rate of 1 mL/min.

Dinu, M.V., Humelnicu, I., Ghiorghita, C.A. & Humelnicu, D. (2022). Aminopolycarboxylic Acids-Functionalized Chitosan-Based Composite Cryogels as Valuable Heavy Metal Ions Sorbents: Fixed-Bed Column Studies and Theoretical Analysis. Gels 2022, 8, 221.

Keywords: aminopolycarboxylic acids; chelating agents; theoretical analysis; fixed-bed column studies; multicomponent heavy metal ions solution


Soil column experiments were conducted with adjustable-height chromatography columns, made of borosilicate glass. For each experiment ~ 0.8 ml column effluent was collected in a 20 ml centrifuge tube using a fraction collector LAMBDA OMNICOLL.

Kianfar, B., Tian, J., Rozemeijer, R., van der Zaan,B., Bogaard, T.A. & Foppen, J.W. (2022). Transport characteristics of DNA-tagged silica colloids as a colloidal tracer in saturated sand columns; role of solution chemistry, flow velocity, and sand grain size. Journal of Contaminant Hydrology, Volume 246, 2022, 103954, ISSN 0169-7722.

Keywords: DNA-tagged silica colloids, Tracer, Solution chemistry


The uranium sorption from model solutions in static mode was carrying out by use of anion-exchangers. The volume of resin loaded in the column was 5 ml, the filtration rate of solution through resin layer was 5 bed volume for 1 h. The filtrate at the outlet of the column was sampled by use of automatic fraction collector LAMBDA OMNICOLL.

Nalivaiko, K., Skripchenko, S., Titova, S. & Rychkov, V. (2022). Characterization and processing of radioactive uranium containing waste sludge by sulfuric acid leaching. Journal of Environmental Chemical Engineering, Volume 10, Issue 1, 2022, 106972, ISSN 2213-3437.

Keywords: Tailing Dump, Recycling, Specific Activity, Sorption

2021: Publications about fraction collectors & autosamplers

Programmed LAMBDA OMNICOLL single-stream collector for collecting 3 mL of aqueous solutions at the outlet of a column at set time intervals. 

Feizi, F., Sarmah,A.K. & Rangsivek, R. (2021). Adsorption of pharmaceuticals in a fixed-bed column using tyre-based activated carbon: Experimental investigations and numerical modelling. Journal of Hazardous Materials, 2021.

Effluent solutions were collected with the fraction collector LAMBDA OMNICOLL. 

Vázquez-Ortega, A., Perdrial, N., Reinoso-Maset, E., Root, R. A., O’Day, P. A. & Chorover, J. (2021). Phosphate controls uranium release from acidic waste-weathered Hanford sediments. Journal of Hazardous Materials, Volume 416, 2021, 126240, ISSN 0304-3894.

The elute was collected using LAMBDA OMNICOLL fraction collector in 15 mL vials at a regular time interval and analyzed for concentrations in the effluents.

Khandelwal, N., Tiwari, E., Singh, N. & Darbha, G.K. (2021). Heterogeneously Porous Multiadsorbent Clay–Biochar Surface to Support Redox-Sensitive Nanoparticles: Applications of Novel Clay–Biochar–Nanoscale Zerovalent Iron Nanotrident (C-BC-nZVI) in Continuous Water Filtration.ACS ES&T Water, 23/02/2021;

Keywords: remediation, nanocomposite, REE extraction, toxic metal sorption, dye removal, water purification, nanoadsorbent, column separation

2020: Publications about fraction collectors & autosamplers

LAMBDA OMNICOLL Fraction Collector enabled the sampling of defined depth intervals. It is positioned in a glovebox using Argon to prevent re-oxidation of the samples.

Schroeder, H., Duester, L., Fabricius, A.-L., Ecker, D., Breitung, V. & Ternes, T.A. (2020). Sediment water (interface) mobility of metal(loid)s and nutrients under undisturbed conditions and during resuspension. Journal of Hazardous Materials, 19/03/2020;

Keywords: Pore water depth profiles, ICP-QQQ-MS, Peeper, Mobilization, Multi-element

During the firn core melting process in a clean booth (ISO 5), the remaining sample stream from the debubbler was collected with a liquid fraction collector LAMBDA OMNICOLL (~0.7 mL/min) as an archive of the meltwater.

Seokhyun Ro, S., Hur, S. D., Hong, S., Chang, Ch., Moon, J., Han, Y., Jun, S. J., Hwang, H. & Hong, S. (2020). An improved ion chromatography system coupled with a melter for highresolution ionic species reconstruction in Antarctic firn cores. Microchemical Journal, Elsevier, MICROC 105377;

Keywords: on-line multi-ion chromatography system; firn core melter; fluoride ion; methanesulfonate ion; Styx Glacier; Antarctica.

LAMBDA OMNICOLL connected to a HPLC column - by using a valve and a capillary - for collecting 2 ml fractions in 96 small scintillation vials (capacity of ~6 mL).

Gaugler, P., Gaugler, V., Kamleitner, M. & Schaaf, G. (2020). Extraction and Quantification of Soluble, Radiolabeled Inositol Polyphosphates from Different Plant Species using SAX-HPLC. Department of Plant Nutrition, Institute of Crop Science and Resource Conservation, University of Bonn;

Keywords: SAX-HPLC column, valve, scintillation vials, 2 ml fractions

2019: Publications about fraction collectors & autosamplers

To study the impact of mechanical disturbance and acidification on the metal(loid), LAMBDA OMNICOLL fraction collector is used to collect 12 profiles of 22 samples during each experiment. 

Schroeder, H., Fabricius, A.-L., Ecker, D., Ternes, T.A. & Duester, L. (2019). Impact of mechanical disturbance and acidification on the metal(loid) and C, P, S mobility at the sediment water interface examined using a fractionation meso profiling ICP-QQQ-MS approach. Federal Institute of Hydrology, Division G – Qualitative Hydrology, Am Mainzer Tor 1, 56068 Koblenz, Germany.

Keywords: Metal release, Pore water depth, profile Colloids Size, fractionation, Sediment water interface, Metalloid release.

2018: Publications about fraction collectors & autosamplers

Perifusate fractions were collected using an LAMBDA OMNICOLL automated fraction collection system into 96-well MASTERBLOCK plates (Greiner bio-one) and at the end of the ex- periment stored at −80 °C

Barlow, J. & Solomon, T.P.J. (2018). Conditioned media from contracting skeletal muscle potentiates insulin secretion and enhances mitochondrial energy metabolism of pancreatic beta-cells. Metabolism, Clinical and Experimental, Volume 91, 1 – 9; 

Keywords: Pancreatic beta-cell insulin secretion, Type 2 diabetes, Mitochondrial function, Exercise, Skeletal muscle, Organ crosstalk


2017: Publications about fraction collectors & autosamplers

LAMBDA OMNICOLL fraction collector and LAMBDA PRECIFLOW peristaltic pump positioned in a glove box under an argon-atmosphere in a novel meso profiling and sampling system (messy) for biogeochemical studies of water pollution

Schroeder, H., Fabricius, A. L., Ecker, D., Ternes, T. A., & Duester, L. (2017). Metal (loid) speciation and size fractionation in sediment pore water depth profiles examined with a new meso profiling system. Chemosphere, 179, 185-193.
Federal Institute of Hydrology, Division G - Qualitative Hydrology, Koblenz, Germany.

Keywords: Sediment pore water, Depth profile, Sediment water interface, Profiling, Metals

Messy set-up-OMNICOLL fraction collector and LAMBDA PRECIFLOW peristaltic pump positioned in a glove box under an argon-atmosphere

Abstract: "In an exemplary incubation study with an anaerobic sediment sampled at an oxbow of the river Lahn in Germany (50°18′56.87″N; 7°37′41.25″E) and contaminated by former mining activity, a novel meso profiling and sampling system messy is presented. Messy enables a low invasive, automated sampling of pore water profiles across the sediment water interface (SWI), down to ∼20 cm depth with a spacial resolution of 1 cm. In parallel to the pore water sampling it measures physicochemical sediment parameters such as redox potential and pH value. In an incubation experiment of 151 days the ability of the setup was proven to address several different aspects relevant for fresh water and marine sediment studies: (i) The influence of mechanical disturbance and oxygen induced acidification on the mobility of 13 metals and metalloids (Cd, Co, Cu, Fe, Mn, Mo, Ni, Sb, U, V, Zn) was quantified based on 11 profiles. The analytes were quantified by inductively coupled plasma-mass spectrometry. Three groups of elements were identified with respect to the release into the pore water and the overlying water under different experimental conditions. (ii) The capability to investigate the impacts of changing physicochemical sediment properties on arsenic and antimony (III/V) speciation is shown. (iii) An approach to obtain information on size fractionation effects and to address the colloidal pore water fractions (0.45 μm–16 μm) was successfully conducted for the elements Ag, As, Cu, Fe and Mn."  (

2016: Publications about fraction collectors & autosamplers

Automated sample collector LAMBDA OMNICOLL was used to collect effluent samples (10 ml/min) from the packed bed column to evaluate the transport potential of stabilized milled ZVI particle suspensions

Velimirovic, M., Schmid, D., Wagner, S., Micić, V., von der Kammer, F. & Thilo Hofmann, T. (2016). Agar agar-stabilized milled zerovalent iron particles for in situ groundwater remediation. Science of The Total Environment.

Keywords: Milled zerovalent iron, Agar agar, Particle stability, Particle transport, Particle reactivity


Automated sample collector OMNICOLL was used to collect effluent samples (10 ml/min) from the packed bed column to evaluate the transport potential of stabilized milled ZVI particle suspensions

Abstract: "Submicron-scale milled zerovalent iron (milled ZVI) particles produced by grinding macroscopic raw materials could provide a cost-effective alternative to nanoscale zerovalent iron (nZVI) particles for in situ degradation of chlorinated aliphatic hydrocarbons in groundwater. However, the aggregation and settling of bare milled ZVI particles from suspension presents a significant obstacle to their in situ application for groundwater remediation. In our investigations we reduced the rapid aggregation and settling rate of bare milled ZVI particles from suspension by stabilization with a “green” agar agar polymer. The transport potential of stabilized milled ZVI particle suspensions in a diverse array of natural heterogeneous porous media was evaluated in a series of well-controlled laboratory column experiments. The impact of agar agar on trichloroethene (TCE) removal by milled ZVI particles was assessed in laboratory-scale batch reactors. The use of agar agar significantly enhanced the transport of milled ZVI particles in all of the investigated porous media. Reactivity tests showed that the agar agar-stabilized milled ZVI particles were reactive towards TCE, but that their reactivity was an order of magnitude less than that of bare, non-stabilized milled ZVI particles. Our results suggest that milled ZVI particles could be used as an alternative to nZVI particles as their potential for emplacement into contaminated zone, their reactivity, and expected longevity are beneficial for in situ groundwater remediation." (

2015: Publications about fraction collectors & autosamplers

Effluent samples were collected from the fixed bed column by the multi-stream LAMBDA OMNICOLL fraction collector to study the adsorption of selenite and selenate by Mg-Al-CO3 LDH in the continuous flow system

Chubar, N. & Szlachta, M. (2015). Static and dynamic adsorptive removal of selenite and selenate by alkoxide-free sol–gel-generated Mg–Al–CO3 layered double hydroxide: Effect of competing ions. Chemical Engineering Journal 279 (2015): 885-896.
Utrecht University, The Netherlands; Glasgow Caledonian University, UK & Wrocław University of Technology, Poland. 

Keywords: Selenite, Selenate, Mg-Al layered double hydroxide, Batch adsorption, Dynamic adsorption, FTIR

Abstract: "Adsorption/ion exchange is a major separation approach capable of recovering the valuable Se component from various multicomponent solutions or to reduce its concentration. In this study, we report a method for selenite and selenate adsorptive removal based on the application of Mg–Al–CO3 layered double hydroxide (LDH) generated via an alkoxide-free sol–gel synthesis method developed by the authors. The selenite and selenate removal capability of Mg–Al LDH was examined under static and dynamic adsorption conditions, focusing on the influence of the competing anions (phosphate, sulphate, carbonate, silicate, chloride). The adsorption capacities of Mg–Al LDH for selenite and selenate obtained from the equilibrium isotherms were not influenced by the presence of the competing sulphate, retaining the highest values of 168 and 103 mg [Se]/gdw for Se(IV) and Se(VI) at pH 5, respectively. This inorganic ion exchanger is capable of functioning across the broad range of pH values from 5 to 9. Mg–Al LDH could purify 16,200 and 4200 bed volumes (BVs) of the selenite/selenate-containing solutions (∼50 μg [Se]/L initial concentration), respectively, until reaching a selenium concentration of zero in the effluents. The presence of phosphate and a 74-times higher concentration of sulphate compared with selenate or selenite in the adsorbate showed nearly no influence on the dynamic adsorptive performance of Mg–Al LDH for selenite. An equivalent concentration of phosphate did not influence the dynamic adsorptive removal of selenate. Markedly higher concentrations of sulphate, however, decreased the time to breakthrough for selenate but did not affect the quality of its removal. Mg–Al LDH is a promising inorganic ion exchanger for the removal of both of the aqueous selenium species and will be tested on industrial scales." (

2014: Publications about fraction collectors & autosamplers

Effluent from the glass chromatography column was collected by the LAMBDA OMNICOLL fraction collector to study ion-exchange reactions between Na+, H+, and Ca2+ under dynamic conditions

Lu, J., Tertre, E., & Beaucaire, C. (2014). Assessment of a predictive model to describe the migration of major inorganic cations in a Bt soil horizon. Applied Geochemistry, Volume 41, February 2014, Pages 151-162.
CEA, DANS/DPC/SECR/L3MR and Université de Poitiers-CNRS, France.

Keywords: Ion-exchange reactions; Cationic Exchange Capacity (CEC); Ion chromatography; Bt horizon; Packed column; Wyoming montmorillonite; Reactive transport model, Metallic cation, Sediment, Ion exchange model, Reversible sorption


The effluent was collected by OMNICOLL fraction collector to describe reactive transport of major cations in a soil horizon

Abstract: "The aim of this study was to test the ability of a previous published model describing the sorption properties of complex solids (Bt soil horizon, sediment) under static conditions (batch mode) to describe sorption data obtained under dynamic conditions. This model assumes that the sorption properties of the multicomponent solid can be described by those of smectites present in the mineralogical assemblage. In our case, the reference smectite is a Wyoming montmorillonite. To test the model, experimental breakthrough curves of some major cations were obtained using a Bt soil horizon in different physico-chemical conditions. The fairly good agreement between the different experimental data sets and predicted breakthrough curves demonstrates that our proposed model can be used to accurately predict ion exchange reactions occurring under dynamic conditions between Na+, Ca2+, and H+ cations in a complex mineralogical assemblage. In addition, this model is also able to accurately predict previously published experimental data obtained with another B soil horizons and using Na+, Ca2+, and Mg2+ as cations. Other models reported from the literature, based either on sorption properties of pure smectites or of complex assemblages, are not able to accurately interpret experimental data proposed in this study motivating our purpose to propose another model. Therefore, our predicted model represents an alternative to models based on the generalized composite approach, which describes the reactivity of a complex material using generic sorption sites for which reactivity is not explicitly related to the properties of the individual phases of the complex material." (

2013: Publications about fraction collectors & autosamplers

Effluent collected by LAMBDA OMNICOLL fraction collector from the glass column filled with Bt horizon of a natural soil and analyzed by ion chromatography to study the sorption of major cations (Ca, Na) on a natural sediment

Lu, J., Beaucaire, C., & Tertre, E. (2013).  Predictive model for migration of metallic cations in natural sediments. Procedia Earth and Planetary Science 7 ( 2013 ) 529 – 532.
CEA, DANS/DPC/SECR/L3MR and Université de Poitiers-CNRS, France.


Effluent was collected by OMNICOLL fraction collector from the glass column chromatography with Bt horizon

Abstract: "Recently, a sorption model based on ion exchange equilibria was proposed and successfully applied to predict the sorption behavior of metallic cations in natural sediments under batch conditions [1]. In the present study, this sorption model is coupled with a 1-D transport simulation code to check its validity under dynamic conditions. Therefore, reactive transport experiments of major cations (Ca, Na) using a natural sediment column were studied in the laboratory. A comparison between experimental and predicted breakthrough curves is reported. Results show that the sorption model coupled with the transport code is able to predict with good confidence the migration of major cations in a natural sediment. The participation of protons in the ion exchange process was confirmed by the variation of the experimental pH, coinciding with the model's prediction." (

2012 & earlier: Publications about fraction collectors & autosamplers

LAMBDA OMNICOLL fraction collector was used to collect the elute in 1.2 − 3.6 mL fractions from the contaminated sediments packed column to investigate the mobilization of Tc under fully saturated seawater flow conditions

Eagling, J., Worsfold, P. J., Blake, W. H., & Keith-Roach, M. J. (2012). Mobilization of Technetium from Reduced Sediments under Seawater Inundation and Intrusion Scenarios. Environ. Sci. Technol. 2012, 46, 11798−11803
Plymouth University, Biogeochemistry and Environmental Analytical Chemistry Group, Biogeochemistry Research Centre, UK; Plymouth University, Consolidated Radio-isotope Facility, UK; Kemakta Konsult, Sweden.

Keywords: Column, HPLC, Fe-reducing sediments, Tc, polyetheretherketone (PEEK) self-pack column, Eh, Sediment reoxidation

Abstract: "Predicted sea level rise would increase the vulnerability of low lying coastal legacy nuclear sites to inundation and intrusion with oxygenated seawater. This could have a significant impact on the mobility of redox-sensitive radionuclides such as Tc. Here, batch and column experiments were used to simulate and investigate the effect of these processes on the mobilization of Tc from sediments under a range of geochemically reduced conditions. Batch experiments showed that only a small proportion of Tc was rapidly (within 5 days) released from the sediments into seawater and groundwater. The subsequent Tc release was slowest and ultimately limited to the greatest extent (17%) in initially Fe-reducing sediments, when they were reoxidized in seawater. Thus, the cycling of iron and the impact of the water chemistry on iron mineralogy were important for hindering Tc release. Column experiments showed that iron minerals were less effective at retarding Tc release under flow-through conditions. Kinetically controlled and solubility limited Fe dissolution led to ongoing Tc release from the sediments; i.e. the retarding effect of iron phases was temporary, and significantly more Tc was mobilized (79–93%) compared with the batch experiments (17–45%). These results demonstrate the potential for Tc(IV) to be oxidized and mobilized from sediments at coastal nuclear sites resulting from predicted intrusion and inundation with oxic seawater." (

LAMBDA OMNICOLL fraction collector was used to collect the eluent from the contaminated sediment packed PEEK column to determine the pH and 90Sr by liquid scintillation

Eagling, J. (2012) The effect of sea level rise on radionuclide mobility at contaminated nuclear sites.
Plymouth University, UK (2013 Oct. 13)

Keywords: contaminated land, porewater salinization, radionuclide, geochemistry, release kinetics, transport, oxic and reduced sediments (2013 Oct. 13)

Abstract: "Global sea levels are expected to rise as a result of climate change, which will lead to the inundation and erosion of low lying coastal areas and accelerate the intrusion of seawater into sub-surface sediments. Many of the UK’s legacy nuclear facilities are located in close proximity to the shore, raising questions regarding the potential mobilisation of radionuclides during sea level rise. Here batch and column experiments were used to simulate and investigate the effect of these processes on the mobilisation of key radionuclides Tc, 90Sr and U from oxic and reduced sediments under sea level rise scenarios. Strontium-90 was rapidly mobilised from exchangeable surface sites from oxic sediments during inundation and erosion scenarios with seawater (≈ 60%). Strontium release was driven by ion exchange between Sr90 and Mg2+ cations present in high concentrations in seawater. Uranium release from oxic and reduced sediments was kinetically controlled, characterised by slow release from a range of binding sites, promoted by the formation of U-carbonate complexes. Uranium mobilisation was slower from reduced sediments compared with oxic sediments under seawater flow conditions; therefore reduced sediments would act as a longer term source of U to marine environments. Release was more extensive from initially nitrate reducing sediments (53%) compared with extensively iron reducing sediments (38%), with the difference in release explained by the longer contact period of U(VI) with the iron reducing sediment relative to the nitrate reducing sediment which would lead to slower desorption." ( (2013 Oct. 13))

Eluate was collected (60 min per fraction) by means of a LAMBDA OMNICOLL fraction collector to determine the silver ion release from coated catheters

Aylvin Jorge Angelo Athanasius Dias, Edith Elisabeth M. Van Den Bosch, Astrid Franken (2010). Antimicrobial coating. US Patent no. US 2010/0113871 A1. (2022 Oct. 12)

To develop a technology for extraction of Uranimum from sulphate chloride LAMBDA OMNICOLL fraction collector was used to collect samplings of filtrate in combination with multi-channel peristaltic pump. 

Svetlana Mikhailovna TITOVA (05.17.02.) Development of technology for sorption extraction of uranium from sulphate-chloride solutions of in-situ leaching: dissertation for the degree of candidate of technical sciences: 05.17.02. Department of Rare Metals and Nanomaterials Institute of Physics and Technology. (2020 June 09.)