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List of works by Heike Knicker

129Xe NMR spectroscopy of adsorbed xenon as an approach for the characterisation of soil meso- and microporosity

scholarly article by S.V Filimonova et al published September 2004 in Geoderma

13C and 15N NMR spectroscopic investigation on the formation of fossil algal residues

article published in 1996

13C- and 15N-NMR spectroscopic examination of the transformation of organic nitrogen in plant biomass during thermal treatment

article

15N immobilization in forest soil: a sterilization experiment coupled with15CPMAS NMR spectroscopy

A new conceptual model for the structural properties of char produced during vegetation fires

article

A simplified method for the quantification of pyrogenic organic matter in grassland soils via chemical oxidation

article

A solid-state 15N NMR spectroscopic investigation of the origin of nitrogen structures in coal

Abundance and diversity of CO2-fixing bacteria in grassland soils close to natural carbon dioxide springs

scientific article published on 6 September 2008

Airborne contaminants in the refractory organic carbon fraction of arable soils in highly industrialized areas

article

Alteration of quality and stability of organic matter in grassland soils of Southern Brazil highlands after ceasing biannual burning

article

Ancient paddy soils from the Neolithic age in China's Yangtze River Delta

article

Binding of trinitrotoluene (TNT) to water extractable humus

Bioavailability of N released from N-rich pyrogenic organic matter: An incubation study

article

Biochars in soils: new insights and emerging research needs

scientific article (publication date: 2014)

Biochemically altered charcoal residues as an important source of soil organic matter in subsoils of fire-affected subtropical regions

scholarly article by Marta Velasco-Molina et al published January 2016 in Geoderma

Biodegradability of organic matter in fire-affected mineral soils of Southern Spain

article

Biomolecular characteristics of an extensive tar layer generated during eruption of the Soufrière Hills volcano, Montserrat, West Indies

article

Black Carbon and Thermally Altered (Pyrogenic) Organic Matter: Chemical Characteristics and the Role in the Environment

Black carbon contribution in volcanic soils affected by wildfire or stubble burning

scholarly article by Yessica Rivas et al published June 2012 in Organic Geochemistry

CP dynamics of heterogeneous organic material: characterization of molecular domains in coals

scientific article published in June 2004

Carbon and nitrogen degradation on molecular scale of grass-derived pyrogenic organic material during 28 months of incubation in soil

article

Carbon and nitrogen stocks in physical fractions of a subtropical Acrisol as influenced by long-term no-till cropping systems and N fertilisation

article published in 2005

Carbon sequestration in iron-nodules in moist semi-deciduous tropical forest soil

scholarly article by Bo Elberling et al published June 2013 in Geoderma

Changes in soil microbial biomass, metabolic quotient, and organic matter turnover under Hieracium ( H. pilosella L.)

article

Changes in soil organic matter composition are associated with forest encroachment into grassland with long-term fire history

article

Changes in surface reactivity and organic matter composition of clay subfractions with duration of fertilizer deprivation

article

Changes in the Chemical Structure of Municipal Solid Waste during Composting as Studied by Solid-State Dipolar Dephasing and PSRE13C NMR and Solid-State15N NMR Spectroscopy

article published in 2000

Characteristic alterations of quantity and quality of soil organic matter caused by forest fires in continental Mediterranean ecosystems: a solid-state 13C NMR study

article

Characteristics of Soil Carbon Buried for 3300 Years in a Bronze Age Burial Mound

Characteristics of soil organic matter of different Brazilian Ferralsols under native vegetation as a function of soil depth

article

Characterization of Ferrihydrite-Soil Organic Matter Coprecipitates by X-ray Diffraction and Mössbauer Spectroscopy

article

Characterization of fecal nitrogen forms produced by a sheep fed with 15N labeled ryegrass

scholarly article by C. Bosshard et al published 12 May 2011 in Nutrient Cycling in Agroecosystems

Characterization of humic acids from a Brazilian Oxisol under different tillage systems by EPR, 13C NMR, FTIR and fluorescence spectroscopy

article

Characterization of wildfire effects on soil organic matter using analytical pyrolysis

article

Characterization of15N-TNT Residues After an Anaerobic/Aerobic Treatment of Soil/Molasses Mixtures by Solid-State15N NMR Spectroscopy. 1. Determination and Optimization of Relevant NMR Spectroscopic Parameters

Characterization of15N-TNT Residues After an Anaerobic/Aerobic Treatment of Soil/Molasses Mixtures by Solid-State15N NMR Spectroscopy. 2. Systematic Investigation of Whole Soil and Different Humic Fractions

Chemical and spectroscopic characterization of marine dissolved organic matter isolated using coupled reverse osmosis–electrodialysis

article

Chemical characteristics of dissolved organic nitrogen in an oligotrophic subtropical coastal ecosystem

article

Chemical composition of the organic matter in Neolithic soil material as revealed by CPMAS 13C NMR spectroscopy, polysaccharide analysis, and CuO oxidation

scholarly article, 2001

Chemical heterogeneity of humic substances: characterization of size fractions obtained by hollow-fibre ultrafiltration

scholarly article by Iso Christl et al published December 2000 in European Journal of Soil Science

Chemical structure and preservation processes of organic matter in soils and sediments

article

Climate and parent material controls on organic matter storage in surface soils: A three-pool, density-separation approach

article

Comparison of carbon and nitrogen determination methods for samples of a Paleudult subjected to no-till cropping systems

Composition and distribution of organic matter in physical fractions of a rehabilitated mine soil rich in lignite-derived carbon

article

Composition of organic matter in a subtropical Acrisol as influenced by land use, cropping and N fertilization, assessed by CPMAS 13C NMR spectroscopy

article

Condensation degree of burnt peat and plant residues and the reliability of solid-state VACP MAS 13C NMR spectra obtained from pyrogenic humic material

article

Contribution of black carbon in recent sediments of the Gulf of Cadiz: Applicability of different quantification methodologies

scholarly article

Contributions of Oi, Oe and Oa horizons to dissolved organic matter in forest floor leachates

article

Decomposition and substrate quality of leaf litters and fine roots from three exotic plantations and a native forest in the southwestern highlands of Ethiopia

article

Degradation of grass-derived pyrogenic organic material, transport of the residues within a soil column and distribution in soil organic matter fractions during a 28month microcosm experiment

article

Depletion of soil organic carbon and nitrogen underPinus taedaplantations in Southern Brazilian grasslands (Campos)

article

Detection of charred organic matter in soils from a Neolithic settlement in Southern Bavaria, Germany

Scholarly article, 2002

Determination of Structure and Origin of Refractory Organic Matter in Bio-epurated Wastewater via Spectroscopic Methods. Comparison of Conventional and Ozonation Treatments

article

Determination of refractory organic matter in marine sediments by chemical oxidation, analytical pyrolysis and solid-state13C nuclear magnetic resonance spectroscopy

article

Direct Detection of Black Carbon in Soils by Py-GC/MS, Carbon-13 NMR Spectroscopy and Thermogravimetric Techniques

Distribution of black carbon and black nitrogen in physical soil fractions from soils seven years after an intense forest fire and their role as C sink

scientific article published on 15 May 2018

Does ultrasonic dispersion and homogenization by ball milling change the chemical structure of organic matter in geochemical samples?—a CPMAS 13C NMR study with lignin

article

Effect of N content and soil texture on the decomposition of organic matter in forest soils as revealed by solid-state CPMAS NMR spectroscopy

article

Effect of residual vanadyl ions on the spectroscopic analysis of humic acids: a multivariate approach

article published in 2008

Effect of residual vanadyl on the spectroscopic analysis of humic acids

article

Effects of land-use change on chemical composition of soil organic matter in tropical lowland Bolivia

article

Effects of reclamation and regeneration processes on organic matter from estuarine soils and sediments

article

Evaluating pore structures of soil components with a combination of “conventional” and hyperpolarised 129Xe NMR studies

scholarly article

Evolution of soil organic matter after prescribed fire: A 20-year chronosequence

Scholarly article, 2012

Factors affecting the molecular structure and mean residence time of occluded organics in a lithosequence of soils under ponderosa pine

article

Fate of microbial biomass-derived amino acids in soil and their contribution to soil organic matter

article

Ferrihydrite–Humic Associations

Fractionation of organic matter due to reaction with ferrihydrite: coprecipitation versus adsorption

scientific article

Genesis of Spodic Material underneath Peat Bogs in a Danish Wetland

Heterocyclic N in the highly humified humic acids extracted from the subsoil of paddy fields and surface ando soils

How are soil use and management reflected by soil organic matter characteristics: a spectroscopic approach

article

How does fire affect the nature and stability of soil organic nitrogen and carbon? A review

scholarly article, 2007

How useful is chemical oxidation with dichromate for the determination of “Black Carbon” in fire-affected soils?

scholarly article

Hydrothermal carbonization of biomass residues: mass spectrometric characterization for ecological effects in the soil-plant system

scientific article published in January 2013

Identification of protein remnants in insoluble geopolymers using TMAH thermochemolysis/GC–MS

article

Impact of brown coal dust on the organic matter in particle-size fractions of a Mollisol

scholarly article, 1996

Impact of long-term N fertilization on the structural composition of spruce litter and mor humus

article

Impact of wildfires on subsurface volcanic environments: New insights into speleothem chemistry

scientific article published on 06 September 2019

Incorporation of 15N-TNT transformation products into humifying plant organic matter as revealed by one- and two-dimensional solid state NMR spectroscopy ⬇️

scientific article published on June 1, 2003

Influence of Biochar Mixed into Peat Substrate on Lettuce Growth and Nutrient Supply

scientific article published in 2022

Influence of non-crystalline minerals in the total amount, resilience and molecular composition of the organic matter in volcanic ash soils (Tenerife Island, Spain)

article

Intimate association between O/N-alkyl carbon and iron oxides in clay fractions of forest soils

Iron interference on matrix-assisted laser desorption/ionisation time-of-flight mass spectra of condensed tannins

Knowledge gaps in soil carbon and nitrogen interactions – From molecular to global scale

Liming effects on the chemical composition of the organic surface layer of a mature Norway spruce stand (Picea abies [L.] Karst.)

article

MALDI-TOF mass spectrometry and PSD fragmentation as means for the analysis of condensed tannins in plant leaves and needles

scientific article

Medium term effects of fire induced soil organic matter alterations on Andosols under Canarian pine (Pinus canariensis)

article

Mineralisation and structural changes during the initial phase of microbial degradation of pyrogenic plant residues in soil

article

Modification of biomarkers in pyrogenic organic matter during the initial phase of charcoal biodegradation in soils

scholarly article by Heike Knicker et al published April 2013 in Geoderma

Moldboard plowing effects on soil aggregation and soil organic matter quality assessed by 13C CPMAS NMR and biochemical analyses

article

Molecular characteristics of permanganate- and dichromate-oxidation-resistant soil organic matter from a black-C-rich colluvial soil

article

Molecular composition of sedimentary humic acids from South West Iberian Peninsula: A multi-proxy approach

article

Mulching-induced preservation of soil organic matter quality in a burnt eucalypt plantation in central Portugal

article

Multivariate statistical assessment of functional relationships between soil physical descriptors and structural features of soil organic matter in Mediterranean ecosystems

scholarly article by Lorena Recio-Vazquez et al published October 2014 in Geoderma

Nature and reactivity of charcoal produced and added to soil during wildfire are particle-size dependent

scholarly article by Caterina Nocentini et al published July 2010 in Organic Geochemistry

Nature of organic nitrogen in fine particle size separates of sandy soils of highly industrialized areas as revealed by NMR spectroscopy

article

New pyrolytic and spectroscopic data on Orgueil and Murchison insoluble organic matter: A different origin than soluble?

article

No-till cropping systems and N fertilisation influences on organic matter composition of physical fractions of a subtropical Acrisol as assessed by analytical pyrolysis (Py-GC/MS)

article

Organic N forms of a subtropical Acrisol under no-till cropping systems as assessed by acid hydrolysis and solid-state NMR spectroscopy

Organic matter accumulating in Aeh and Bh horizons of a Podzol — chemical characterization in primary organo-mineral associations

Organic matter characteristics and distribution in Ferralsol profiles of a climosequence in southern Brazil

scholarly article by R. S. D. Dalmolin et al published October 2006 in European Journal of Soil Science

Organic matter composition in density fractions of Cerrado Ferralsols as revealed by CPMAS 13C NMR: Influence of pastureland, cropland and integrated crop-livestock

article

Organic matter in constructed soils from a coal mining area in southern Brazil

article

Partitioning of N in growing plants, microbial biomass and soil organic matter after amendment of N-ammonoxidized lignins

article

Pinus afforestation in South Brazilian highlands: soil chemical attributes and organic matter composition

article

Prehistoric Alteration of Soil Properties in a Central German Chernozemic Soil

Scholarly article published in 2003

Preservation of peptide moieties in three Spanish sulfur-rich Tertiary kerogens

article

Preservation of proteinaceous material during the degradation of the green alga Botryococcus braunii : A solid-state 2D 15 N 13 C NMR spectroscopy study

scholarly article

Pyrogenic organic matter in soil: Its origin and occurrence, its chemistry and survival in soil environments

Scholarly article, 2011

Rearrangement of carbon and nitrogen forms in peat after progressive thermal oxidation as determined by solid-state 13C- and 15N-NMR spectroscopy

Refractory organic carbon in C-depleted arable soils, as studied by 13C NMR spectroscopy and carbohydrate analysis

article

Refractory organic carbon in particle-size fractions of arable soils I: distribution of refractory carbon between the size fractions

article

Sequestration of organic nitrogen in the sapropel from Mangrove Lake, Bermuda

article

Soil C and N stocks as affected by cropping systems and nitrogen fertilisation in a southern Brazil Acrisol managed under no-tillage for 17 years

article

Soil micro- and mesopores studied by N2 adsorption and 129Xe NMR of adsorbed xenon

scholarly article by S.V. Filimonova et al published February 2006 in Geoderma

Soil organic N - An under-rated player for C sequestration in soils?

article

Soil organic matter composition and soil lightness

article

Soil organic matter transformations induced by Hieracium pilosella L. in tussock grassland of New Zealand

article

Soil-borne fungi challenge the concept of long-term biochemical recalcitrance of pyrochar

scientific article published on 13 February 2018

Solid state CPMAS 13C and 15N NMR spectroscopy in organic geochemistry and how spin dynamics can either aggravate or improve spectra interpretation

article

Solid-state 13C NMR spectroscopic, chemolytic and biological assessment of pretreated municipal solid waste.

scientific article published in January 2001

Solid-state 2-D double cross polarization magic angle spinning 15N 13C NMR spectroscopy on degraded algal residues

article published in 2000

Sorption of HOC in soils with carbonaceous contamination: Influence of organic-matter composition

article

Stabilization of N-compounds in soil and organic-matter-rich sediments—what is the difference?

article

Structural characterization of bio- and geo-macromolecules by off-line thermochemolysis with tetramethylammonium hydroxide

scholarly article by J.C del Rio et al published October 1998 in Journal of Chromatography

Structural domains in peat as revealed by physical fractionation, sequential chemolysis and 15N and 13C CPMAS NMR spectroscopy

Structural properties of non-combustion-derived refractory organic matter which interfere with BC quantification

article

Surfactant properties of humic acids extracted from volcanic soils and their applicability in mineral flotation processes

article

Survival of Protein in an Organic-Rich Sediment: Possible Protection by Encapsulation in Organic Matter

article

Techniques for the differentiation of carbon types present in lignite-rich mine soils

Temperature proxy data and their significance for the understanding of pyroclastic density currents

scholarly article

The chemical nature of nitrogen in native soil organic matter

article

The effect of 10% HF treatment on the resolution of CPMAS 13C NMR spectra and on the quality of organic matter in Ferralsols

article

The effect of fire on soil organic matter--a review

scientific article published in August 2004

The feasibility of using DCPMAS 15N 13C NMR spectroscopy for a better characterization of immobilized 15N during incubation of 13C- and 15N-enriched plant material

article

Thermal alteration of organic matter during a shrubland fire: A field study

article

Transformations in carbon and nitrogen-forms in peat subjected to progressive thermal stress as revealed by analytical pyrolysis

scientific article published in 2010

Transport and Immobilization of 2,4,6 15N-Trinitrotoluene in Soil Microcosms Subjected to Long Term Incubation Under Aerobic Conditions

Tree girdling provides insight on the role of labile carbon in nitrogen partitioning between soil microorganisms and adult European beech

article by Michael Dannenmann et al published August 2009 in Soil Biology and Biochemistry

Types and chemical composition of organic matter in reforested lignite-rich mine soils

article

Use of multiple biogeochemical parameters to monitor the recovery of soils after forest fires

article published in 2008

Use of pyrolysis/GC–MS combined with thermal analysis to monitor C and N changes in soil organic matter from a Mediterranean fire affected forest

article

Wetland soil organic matter composition in a Mediterranean semiarid wetland (Las Tablas de Daimiel, Central Spain): Insight into different carbon sequestration pathways

article

Wildfire effects on soil organic matter quantity and quality in two fire-prone Mediterranean pine forests

article

Wildfires influence on soil organic matter in an Atlantic mountainous region (NW of Spain)

article

“Black nitrogen” – an important fraction in determining the recalcitrance of charcoal

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