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List of works by Johannes Geier

A multifactorial analysis of concurrent patch-test reactions to nickel, cobalt, and chromate

scientific article

A variant of the CXCL11 gene may influence susceptibility to contact allergy, particularly in polysensitized patients

scientific article

Airborne allergic contact dermatitis caused by didecyldimethylammonium chloride in a geriatric nurse ⬇️

scientific article published on February 1, 2013

Allergenic and microbiological hazards caused by skin markings during medical procedures?

scientific article published in October 2017

Allergic and non-allergic periorbital dermatitis: patch test results of the Information Network of the Departments of Dermatology during a 5-year period

scientific article

Allergologische und mikrobiologische Gefährdung durch Hautmarkierung bei medizinischen Prozeduren?

scientific article published in October 2017

Ammonium thiolactate and thiolactic acid: important hairdressers' allergens?

scientific article

An attempt to improve diagnostics of contact allergy due to epoxy resin systems. First results of the multicentre study EPOX 2002.

scientific article published on November 2004

Another look at seasonal variation in patch test results. A multifactorial analysis of surveillance data of the IVDK. Information Network of Departments of Dermatology

scientific article

Are concomitant patch test reactions to epoxy resin and BIS-GMA indicative of cross-reactivity?

scientific article published in December 2007

Association between occupation and contact allergy to the fragrance mix: a multifactorial analysis of national surveillance data

scientific article

Changes of the patch test population (MOAHLFA index) in long-term participants of the Information Network of Departments of Dermatology, 1999-2006.

scientific article

Clinical epidemiology and prevention of contact allergies. The Information Network of Departments of Dermatology (IVDK) as a register and surveillance system

scientific article published in March 2012

Comparing reliabilities of strip and conventional patch testing

scientific article

Concomitant reactivity to methylisothiazolinone, benzisothiazolinone, and octylisothiazolinone. International Network of Departments of Dermatology data, 2009-2013.

scientific article

Contact allergies in the German workforce : Data of the IVDK network from 2003-2013

scientific article published on 31 July 2015

Contact allergy due to 4-N,N-dimethylaminobenzene diazonium chloride and thiourea in diazo copy paper

scientific article published on 01 May 1993

Contact allergy in construction workers: results of a multifactorial analysis

scientific article

Contact allergy in the cleaning industry: analysis of contact allergy surveillance data of the Information Network of Departments of Dermatology

scientific article

Contact allergy to Disperse Blue 106 and Disperse Blue 124 in German and Austrian patients, 1995 to 1999.

scientific article

Contact allergy to Disperse Blue 106/124 mix in consecutive German, Austrian and Swiss patients

scientific article published in May 2003

Contact allergy to acrylates and methacrylates in consumers and nail artists - data of the Information Network of Departments of Dermatology, 2004-2013.

scientific article

Contact allergy to diglycolamine in a water-based metalworking fluid

scientific article published in February 2002

Contact allergy to farnesol in 2021 consecutively patch tested patients. Results of the IVDK.

scientific article published in March 2004

Contact allergy to fragrances: current patch test results (2005-2008) from the Information Network of Departments of Dermatology

scientific article published on 20 August 2010

Contact allergy to fragrances: frequencies of sensitization from 1996 to 2002. Results of the IVDK*.

scientific article published in February 2004

Contact allergy to hairdressing allergens in female hairdressers and clients--current data from the IVDK, 2003-2006.

scientific article

Contact allergy to ingredients of hair cosmetics in female hairdressers and clients--an 8-year analysis of IVDK data

scientific article

Contact allergy to ingredients of hair cosmetics - a comparison of female hairdressers and clients based on IVDK 2007-2012 data

scientific article

Contact allergy to neomycin sulfate: results of a multifactorial analysis

scientific article published in October 2005

Contact allergy to preservatives. Analysis of IVDK data 1996-2009.

scientific article

Contact allergy to terephthalic acid diglycidylester in a powder coating

scientific article

Contact allergy to topical antifungal agents

scientific article published in July 2008

Contact sensitization in patients with suspected cosmetic intolerance: results of the IVDK 2006-2011.

scientific article published on 7 October 2014

Contact sensitization in patients with suspected textile allergy. Data of the Information Network of Departments of Dermatology (IVDK) 2007-2014.

scientific article

Contact sensitization in prurigo patients

scientific article published on 7 April 2016

Contact sensitization to N-(cyclohexylthio)phthalimide

scientific article published in January 2003

Contact sensitization to cobalt--multifactorial analysis of risk factors based on long-term data of the Information Network of Departments of Dermatology

scientific article

Contact sensitization to fragrance mix I and II, toMyroxylon pereiraeresin and oil of tupentine: multifactorial analysis of risk factors based on data of the IVDK network

article

Contact sensitizations in metalworkers with occupational dermatitis exposed to water-based metalworking fluids: results of the research project "FaSt".

scientific article published on 9 November 2004

Current patch test results in consecutive patients with, and chemical analysis of, disperse blue (DB) 106, DB 124, and the mix of DB 106 and 124.

scientific article published in October 2007

Current trends in occupational dermatology

scientific article published on November 2014

Current trends in patch testing - new data from the German Contact Dermatitis Research Group (DKG) and the Information Network of Departments of Dermatology (IVDK).

scientific article

DKG statement on the use of metal alloy discs for patch testing in suspected intolerance to metal implants

scientific article

Decrease in nickel sensitization in young patients--successful intervention through nickel exposure regulation? Results of IVDK, 1992-2001

scientific article published on 20 May 2003

Diagnostic quality of the patch test preparation monoethanolamine 2% pet.

scientific article published in March 2005

Diagnostic screening for contact allergy to mercaptobenzothiazole derivatives

scientific article published in June 2002

Differences in contents of organochlorine impurities do not influence responses to patch testing with Majantol®.

scientific article published on 24 August 2016

Differentiated contact allergy lists serve in quality improvement

scientific article published in March 1998

Dynamic patterns of allergic patch test reactions to 10 European standard allergens. An analysis of data recorded by the Information Network of Departments of Dermatology (IVDK).

scientific article published on July 1996

Empfehlungen der Arbeitsgruppe "Photopatchtest" der Deutschen Kontaktallergie-Gruppe (DKG) zur Durchführung des Photopatchtests

scientific article published on 01 November 2018

Epidemiologic surveillance of contact allergens. The "monitoring series" of IVDK (Information Network ofDermatologic Clinics for Detection and Scientific Evaluation of Contact Allergy

scientific article published on 17 June 2003

Epidemiological data on airborne contact dermatitis - results of the IVDK.

scientific article

Epidemiology of contact allergy: an estimation of morbidity employing the clinical epidemiology and drug-utilization research (CE-DUR) approach ⬇️

scientific article

Evaluation of patch test results by use of the reaction index. An analysis of data recorded by the Information Network of Departments of Dermatology (IVDK).

scientific article published on December 1995

Factors associated with p-phenylenediamine sensitization: data from the Information Network of Departments of Dermatology, 2008-2013.

scientific article published on 11 January 2018

Formaldehyde-releasers: relationship to formaldehyde contact allergy. Metalworking fluids and remainder. Part 1.

scientific article published on 22 June 2010

Formaldehyde-releasers: relationship to formaldehyde contact allergy. Part 2: Metalworking fluids and remainder

scientific article published on 22 June 2010

Good clinical practice in patch testing: readings beyond day 2 are necessary: a confirmatory analysis. Members of the Information Network of Departments of Dermatology

scientific article published on 01 December 1996

In search of a better patch test concentration for povidone-iodine

scientific article

Increase in sensitization to oil of turpentine: recent data from a multicenter study on 45,005 patients from the German-Austrian Information Network of Departments of Dermatology (IVDK).

scientific article

Increased sensitivity of patch testing by standardized tape stripping beforehand: a multicentre diagnostic accuracy study

scientific article published in May 2010

Iodopropynylbutyl carbamate 0.2% is suggested for patch testing of patients with eczema possibly related to preservatives

scientific article published in September 2004

Is cocamidopropyl betaine a contact allergen? Analysis of network data and short review of the literature

scientific article

Is octocrylene a frequent contact allergen?

scientific article published on August 2017

Is the irritant benzalkonium chloride a contact allergen? A contribution to the ongoing debate from a clinical perspective

scientific article published in June 2008

Isopropyl myristate recommended for aimed rather than routine patch testing

scientific article

Late reactions to patch test preparations with reduced concentrations of p-phenylenediamine: a multicentre investigation of the German Contact Dermatitis Research Group

scientific article published in April 2011

Late reactions to the patch-test preparations para-phenylenediamine and epoxy resin: a prospective multicentre investigation of the German Contact Dermatitis Research Group

scientific article published in April 2006

Limited Concordance Between ''Oakmoss'' and Colophony in Clinical Patch Testing

scholarly article by Wolfgang Uter published in March 2001

Lyral has been included in the patch test standard series in Germany

scientific article published in May 2002

Methylchloroisothiazolinone/methylisothiazolinone contact sensitization: diverging trends in subgroups of IVDK patients in a period of 19 years

scientific article

National rates and regional differences in sensitization to allergens of the standard series. Population-adjusted frequencies of sensitization (PAFS) in 40,000 patients from a multicenter study (IVDK).

scientific article

Nickel allergy is still frequent in young German females - probably because of insufficient protection from nickel-releasing objects

scientific article published in March 2011

No cross-sensitization between MCI/MI, benzisothiazolinone and octylisothiazolinone

scientific article published on 01 February 1996

Occupational airborne allergic contact dermatitis in a concrete repair worker

scientific article published in January 2009

Occupational contact allergy caused by rubber gloves--nothing has changed

scientific article published on 5 July 2012

Occupational contact allergy in nurses: results from the Information Network of Departments of Dermatology 2003-2012.

scientific article published on 29 December 2014

Occupational contact allergy in the building trade in Germany: influence of preventive measures and changing exposure

scientific article

Occupational rubber glove allergy: results of the Information Network of Departments of Dermatology (IVDK), 1995-2001.

scientific article published in January 2003

Patch test reactions to Biobans in metalworkers are often weak and not reproducible

scientific article published in July 2002

Patch test results in schoolchildren. Results from the Information Network of Departments of Dermatology (IVDK) and the German Contact Dermatitis Research Group (DKG)

scientific article published in December 1997

Patch test results with rubber series in the European Surveillance System on Contact Allergies (ESSCA), 2013/14.

scientific article published on 11 July 2016

Patch test results with the metalworking fluid series of the German Contact Dermatitis Research Group (DKG).

scientific article published in September 2004

Patch test results with tixocortol pivalate and budesonide in Germany and Austria

scientific article

Patch testing with benzoyl peroxide: reaction profile and interpretation of positive patch test reactions

scientific article published in October 2009

Patch testing with cadmium chloride

scientific article published on 01 January 1996

Patch testing with components of water-based metalworking fluids

scientific article

Patch testing with didecyldimethylammonium chloride.

scientific article

Patch testing with fragrance mix II: results of the IVDK 2005-2008.

scientific article published on November 2010

Patch testing with hydroxyethyl-p-phenylenediamine sulfate - cross-reactivity with p-phenylenediamine ⬇️

scientific article published on May 6, 2011

Patch testing with metalworking fluids from the patient's workplace

scientific article published in October 2004

Patch testing with methyldibromoglutaronitrile

scientific article

Patch testing with p-toluene diamine preparations of different ages

scientific article published in August 2005

Patch testing with patients' own cosmetics and toiletries--results of the IVDK*, 1998-2002.

scientific article

Patch testing with phenylmercuric acetate

scientific article

Patch testing with preservatives, antimicrobials and industrial biocides. Results from a multicentre study

scientific article published in March 1998

Patch testing with the DKG standard series 2001-2004. Results from the IVDK

scientific article published in December 2005

Patch testing with the irritant sodium lauryl sulfate (SLS) is useful in interpreting weak reactions to contact allergens as allergic or irritant

scientific article published in February 2003

Positive Patch-Test Reactions to Essential Oils in Consecutive Patients From North America and Central Europe

scientific article published on 13 June 2017

Psoriasis predisposition and occupational triggering factors in the appraisal of occupational medical expertises

scientific article published in June 2014

Quantification of Sesquiterpene Lactones in Asteraceae Plant Extracts: Evaluation of their Allergenic Potential

scientific article published on 15 August 2013

Reactivity to sorbitan sesquioleate affects reactivity to fragrance mix I.

scientific article published on 28 August 2015

Recent increase in allergic reactions to methylchloroisothiazolinone/methylisothiazolinone: is methylisothiazolinone the culprit?

scientific article published on 21 September 2012

Recommendations for photopatch testing by the Photopatch Test Working Group of the German Contact Dermatitis Research Group (DKG)

article

Risk factors associated with methylisothiazolinone contact sensitization

scientific article published on 27 July 2013

Risk factors associated with sensitization to hydroxyisohexyl 3-cyclohexene carboxaldehyde

scientific article published in August 2013

Risk factors for contact allergy to nickel - results of a multifactorial analysis

scientific article published in January 2003

Sensitization to 26 fragrances to be labelled according to current European regulation. Results of the IVDK and review of the literature

scientific article

Sensitization to reactive diluents and hardeners in epoxy resin systems. IVDK data 2002-2011. Part I: reaction frequencies

scientific article

Sensitization to reactive diluents and hardeners in epoxy resin systems. IVDK data 2002-2011. Part II: concomitant reactions

scientific article

Simultaneous sodium lauryl sulphate testing improves the diagnostic validity of allergic patch tests. Results from a prospective multicentre study of the German Contact Dermatitis Research Group (Deutsche Kontaktallergie-Gruppe, DKG).

scientific article

Skin irritability to sodium lauryl sulfate is associated with increased positive patch test reactions

scientific article published on 16 July 2014

Skin sensitizing properties of the ethanolamines mono-, di-, and triethanolamine. Data analysis of a multicentre surveillance network (IVDK) and review of the literature

scientific article (publication date: May 2009)

Skin-sensitizing and irritant properties of propylene glycol

scientific article

Statement of the German Contact Dermatitis Research Group (DKG) and the German Dermatological Society (DDG) on liability issues associated with patch testing using a patient's own materials

scientific article published on 28 October 2016

Strip patch testing does not affect reaction profiles of standard allergens

scientific article

Surveillance of contact allergies: methods and results of the Information Network of Departments of Dermatology (IVDK).

scientific article published on 07 May 2012

The MOAHLFA index of irritant sodium lauryl sulfate reactions: first results of a multicentre study on routine sodium lauryl sulfate patch testing

scientific article published in November 2004

The association between size of test chamber and patch test reaction: a statistical reanalysis

scientific article published in January 1999

The biocide polyhexamethylene biguanide remains an uncommon contact allergen

article by Axel Schnuch et al published April 2007 in Contact Dermatitis

The current spectrum of contact sensitization in patients with chronic leg ulcers or stasis dermatitis - new data from the Information Network of Departments of Dermatology (IVDK).

scientific article

The preservative iodopropynyl butylcarbamate: frequency of allergic reactions and diagnostic considerations

scientific article

The spectrum of allergic (cross-)sensitivity in clinical patch testing with 'para amino' compounds

scientific article published in April 2002

White petrolatum (Ph. Eur.) is virtually non-sensitizing. Analysis of IVDK data on 80 000 patients tested between 1992 and 2004 and short discussion of identification and designation of allergens

scientific article

[DKG statement on the use of metal alloy discs for patch testing in suspected intolerance to metal implants].

scientific article

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