FIND

researchers

DISCOVER

relevant articles

PROMOTE

your research

now for free

Sidney Hopfer

Research Profile

Chemicals & Drugs

Living Beings

Procedures

Disorders

Concepts & Ideas

Anatomy

Phenomena

Hematocrit

Co-author Network

Publications

TOP 3
Sidney M Hopfer; Francesca L Nadeau; Marilyn Sundra; Gregory S Makowski
Effect of protein on hemoglobin and hematocrit assays with a conductivity-based point-of-care testing device: comparison with optical methods.
Gregory S Makowski; Francesca L Nadeau; Sidney M Hopfer
Single tube multiplex PCR detection of 27 cystic fibrosis mutations and 4 polymorphisms using neonatal blood samples collected on Guthrie cards.
Gregory S Makowski; Sidney M Hopfer; G J Tsongalis; A H Wu
Changes in academic productivity: implications for clinical laboratory research and development.

Register for free to view:

Visualized networks:

See your personal network in
sophisticated graphical views

GeoTargeted Searches:

Locate experts around the world
and connect with global collaborators

Research Profiles:

See the research activity
of experts around the globe

Geonetwork of Sidney Hopfer (preview)

Cities where this author has publications
Cities where co-authors of this author have publications

Flash Player Required

All Publications

2004: Sidney M Hopfer; Francesca L Nadeau; Marilyn Sundra; Gregory S Makowski
Effect of protein on hemoglobin and hematocrit assays with a conductivity-based point-of-care testing device: comparison with optical methods.
Annals of clinical and laboratory science 2004;34(1):75-82.
2003: Gregory S Makowski; Francesca L Nadeau; Sidney M Hopfer
Single tube multiplex PCR detection of 27 cystic fibrosis mutations and 4 polymorphisms using neonatal blood samples collected on Guthrie cards.
Annals of clinical and laboratory science 2003;33(3):243-50.
2000: Gregory S Makowski; Sidney M Hopfer; G J Tsongalis; A H Wu
Changes in academic productivity: implications for clinical laboratory research and development.
Clinical chemistry 2000;46(2):303-5.
1998: Gregory S Makowski; Sidney M Hopfer
Cystic fibrosis: molecular approaches to diagnosis.
Annals of clinical and laboratory science 1998;28(6):380-5.
1998: Gregory S Makowski; E L Davis; Francesca L Nadeau; Sidney M Hopfer
Polymerase chain reaction amplification of Guthrie card deoxyribonucleic acid: extraction of nucleic acid from filter matrices.
Annals of clinical and laboratory science 1998;28(4):254-9.
1997: Gregory S Makowski; E L Davis; Sidney M Hopfer
Amplification of Guthrie card DNA: effect of guanidine thiocyanate on binding of natural whole blood PCR inhibitors.
Journal of clinical laboratory analysis 1997;11(2):87-93.
1997: Gregory S Makowski; Sidney M Hopfer
Measurement of maternal folate status and risk of neural tube defects.
Clinical chemistry 1997;43(1):185-6.
1996: Gregory S Makowski; E L Davis; Sidney M Hopfer
The effect of storage on Guthrie cards: implications for deoxyribonucleic acid amplification.
Annals of clinical and laboratory science 1996;26(5):458-69.
1995: Sidney M Hopfer; Gregory S Makowski; E L Davis; Jaber Aslanzadeh
Detection of cystic fibrosis delta F508 mutation by anti-double-stranded DNA antibody.
Annals of clinical and laboratory science 1995;25(6):475-84.
1995: Gregory S Makowski; E L Davis; Jaber Aslanzadeh; Sidney M Hopfer
Enhanced direct amplification of Guthrie card DNA following selective elution of PCR inhibitors.
Nucleic acids research 1995;23(18):3788-9.
1995: Gregory S Makowski; Jaber Aslanzadeh; Sidney M Hopfer
In situ PCR amplification of Guthrie card DNA to detect cystic fibrosis mutations.
Clinical chemistry 1995;41(3):477-9.
1995: C G Lewis; R M Belniak; M C Plowman; Sidney M Hopfer; J A Knight; F W Sunderman
Intraarticular carcinogenesis bioassays of CoCrMo and TiAlV alloys in rats.
The Journal of arthroplasty 1995;10(1):75-82.
1994: P T Pisciotto; Edward L Snyder; J A Snyder; S Frattaroli; Sidney M Hopfer; H M Rinder; B R Smith
In vitro characteristics of white cell-reduced single-unit platelet concentrates stored in syringes.
Transfusion 1994;34(5):407-11.
1994: M C Plowman; S Grbac-Ivankovic; J Martin; Sidney M Hopfer; F W Sunderman
Malformations persist after metamorphosis of Xenopus laevis tadpoles exposed to Ni2+, Co2+, or Cd2+ in FETAX assays.
Teratogenesis, carcinogenesis, and mutagenesis 1994;14(3):135-44.
1993: O Hauptman; D M Albert; M C Plowman; Sidney M Hopfer; F W Sunderman
Ocular malformations of Xenopus laevis exposed to nickel during embryogenesis.
Annals of clinical and laboratory science 1993;23(6):397-406.
1993: Gregory S Makowski; Jaber Aslanzadeh; Sidney M Hopfer
Mini-gel PAGE for enhanced resolution of polymerase chain reaction detection of delta F508 deletion in cystic fibrosis.
Clinical chemistry 1993;39(10):2204-5.
1993: S Q Luo; M C Plowman; Sidney M Hopfer; F W Sunderman
Mg(2+)-deprivation enhances and Mg(2+)-supplementation diminishes the embryotoxic and teratogenic effects of Ni2+, Co2+, Zn2+, and Cd2+ for frog embryos in the FETAX assay.
Annals of clinical and laboratory science 1993;23(2):121-9.
1993: S Q Luo; M C Plowman; Sidney M Hopfer; F W Sunderman
Embryotoxicity and teratogenicity of Cu2+ and Zn2+ for Xenopus laevis, assayed by the FETAX procedure.
Annals of clinical and laboratory science 1993;23(2):111-20.
1992: B L Beck; D C Henjum; K Antonijczuk; O Zaharia; G Korza; Juris Ozols; Sidney M Hopfer; A M Barber; F W Sunderman
pNiXa, a Ni(2+)-binding protein in Xenopus oocytes and embryos, shows identity to Ep45, an estrogen-regulated hepatic serpin.
Research communications in chemical pathology and pharmacology 1992;77(1):3-16.
1992: F W Sunderman; M C Plowman; Sidney M Hopfer
Teratogenicity of cadmium chloride in the South African frog, Xenopus laevis.
IARC scientific publications 1992;(118):249-56.
1991: F W Sunderman; M C Plowman; Sidney M Hopfer
Embryotoxicity and teratogenicity of cadmium chloride in Xenopus laevis, assayed by the FETAX procedure.
Annals of clinical and laboratory science 1991;21(6):381-91.
1991: C G Lewis; R M Belniak; Sidney M Hopfer; F W Sunderman
Cobalt in periprosthetic soft tissue. Observations in 6 revision cases.
Acta orthopaedica Scandinavica 1991;62(5):447-50.
1991: P T Pisciotto; Edward L Snyder; P A Napychank; Sidney M Hopfer
In vitro characteristics of volume-reduced platelet concentrate stored in syringes.
Transfusion 1991;31(5):404-8.
1991: Sidney M Hopfer; M C Plowman; K R Sweeney; J A Bantle; F W Sunderman
Teratogenicity of Ni2+ in Xenopus laevis, assayed by the FETAX procedure.
Biological trace element research 1991;29(3):203-16.
1991: Gregory S Makowski; S M Lin; S M Brennan; H M Smilowitz; Sidney M Hopfer; F W Sunderman
Detection of two Zn-finger proteins of Xenopus laevis, TFIIIA, and p43, by probing western blots of ovary cytosol with 65Zn2+, 63Ni2+, or 109Cd2+.
Biological trace element research 1991;29(2):93-109.
1991: M C Plowman; H Peracha; Sidney M Hopfer; F W Sunderman
Teratogenicity of cobalt chloride in Xenopus laevis, assayed by the FETAX procedure.
Teratogenesis, carcinogenesis, and mutagenesis 1991;11(2):83-92.
1990: F W Sunderman; Jonathan R Sporn; Sidney M Hopfer; K R Sweeney; N G Chakraborty; B Greenberg
Platinum in blood mononuclear cells from patients after cisplatin therapy.
Annals of clinical and laboratory science 1990;20(6):379-84.
1990: F W Sunderman; Sidney M Hopfer; M C Plowman; J A Knight
Carcinogenesis bioassays of nickel oxides and nickel-copper oxides by intramuscular administration to Fischer-344 rats.
Research communications in chemical pathology and pharmacology 1990;70(1):103-13.
1990: F W Sunderman; Sidney M Hopfer; W W Nichols; J R Selden; H L Allen; C A Anderson; R Hill; C Bradt; Charlene Williams
Chromosomal abnormalities and gene amplification in renal cancers induced in rats by nickel subsulfide.
Annals of clinical and laboratory science 1990;20(1):60-72.
1989: Sidney M Hopfer; L Ziebka; F W Sunderman; Jonathan R Sporn; B R Greenberg
Direct analysis of platinum in plasma and urine by electrothermal atomic absorption spectrophotometry.
Annals of clinical and laboratory science 1989;19(6):389-96.
1989: S M Lin; Sidney M Hopfer; S M Brennan; F W Sunderman
Protein blotting method for detection of nickel-binding proteins.
Research communications in chemical pathology and pharmacology 1989;65(3):275-88.
1989: F W Sunderman; Sidney M Hopfer; S M Lin; M C Plowman; T Stojanovic; S H Wong; O Zaharia; L Ziebka
Toxicity to alveolar macrophages in rats following parenteral injection of nickel chloride.
Toxicology and applied pharmacology 1989;100(1):107-18.
1989: Sidney M Hopfer; W P Fay; F W Sunderman
Serum nickel concentrations in hemodialysis patients with environmental exposure.
Annals of clinical and laboratory science 1989;19(3):161-7.
1989: F W Sunderman; Sidney M Hopfer; K R Sweeney; A H Marcus; B M Most; J Creason
Nickel absorption and kinetics in human volunteers.
Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.) 1989;191(1):5-11.
1989: F W Sunderman; Sidney M Hopfer; T Swift; W N Rezuke; L Ziebka; P Highman; B Edwards; M Folcik; H R Gossling
Cobalt, chromium, and nickel concentrations in body fluids of patients with porous-coated knee or hip prostheses.
Journal of orthopaedic research : official publication of the Orthopaedic Research Society 1989;7(3):307-15.
1988: Sidney M Hopfer; F W Sunderman
Hypothermia and deranged circadian rhythm of core body temperature in nickel chloride-treated rats.
Research communications in chemical pathology and pharmacology 1988;62(3):495-505.
1988: J A Knight; W N Rezuke; C G Gillies; Sidney M Hopfer; F W Sunderman
Pulmonary histopathology of rats following parenteral injections of nickel chloride.
Toxicologic pathology 1988;16(3):350-9.
1988: F W Sunderman; B Dingle; Sidney M Hopfer; T Swift
Acute nickel toxicity in electroplating workers who accidently ingested a solution of nickel sulfate and nickel chloride.
American journal of industrial medicine 1988;14(3):257-66.
1987: J A Knight; W N Rezuke; S H Wong; Sidney M Hopfer; O Zaharia; F W Sunderman
Acute thymic involution and increased lipoperoxides in thymus of nickel chloride-treated rats.
Research communications in chemical pathology and pharmacology 1987;55(3):291-302.
1987: S H Wong; J A Knight; Sidney M Hopfer; O Zaharia; C N Leach; F W Sunderman
Lipoperoxides in plasma as measured by liquid-chromatographic separation of malondialdehyde-thiobarbituric acid adduct.
Clinical chemistry 1987;33(2 Pt 1):214-20.
1987: F W Sunderman; Sidney M Hopfer; J A Knight; K S McCully; A G Cecutti; P G Thornhill; K Conway; C Miller; S R Patierno; M Costa
Physicochemical characteristics and biological effects of nickel oxides.
Carcinogenesis 1987;8(2):305-13.
1987: Sidney M Hopfer; J V Linden; W N Rezuke; J E O'Brien; L Smith; F Watters; F W Sunderman
Increased nickel concentrations in body fluids of patients with chronic alcoholism during disulfiram therapy.
Research communications in chemical pathology and pharmacology 1987;55(1):101-9.
1986: J A Knight; Sidney M Hopfer; M C Reid; S H Wong; F W Sunderman
Ethene (ethylene) and ethane exhalation in Ni[II]-treated rats, using an improved rebreathing apparatus.
Annals of clinical and laboratory science 1986;16(5):386-94.
1986: F W Sunderman; Sidney M Hopfer; M C Crisostomo; M Stoeppler
Rapid analysis of nickel in urine by electrothermal atomic absorption spectrophotometry.
Annals of clinical and laboratory science 1986;16(3):219-30.
1985: J V Linden; Sidney M Hopfer; H R Gossling; F W Sunderman
Blood nickel concentrations in patients with stainless-steel hip prostheses.
Annals of clinical and laboratory science 1985;15(6):459-64.
1985: F W Sunderman; A Marzouk; Sidney M Hopfer; O Zaharia; M C Reid
Increased lipid peroxidation in tissues of nickel chloride-treated rats.
Annals of clinical and laboratory science 1985;15(3):229-36.
1985: C N Leach; J V Linden; Sidney M Hopfer; M C Crisostomo; F W Sunderman
Nickel concentrations in serum of patients with acute myocardial infarction or unstable angina pectoris.
Clinical chemistry 1985;31(4):556-60.
1984: F W Sunderman; K S McCully; Sidney M Hopfer
Association between erythrocytosis and renal cancers in rats following intrarenal injection of nickel compounds.
Carcinogenesis 1984;5(11):1511-7.
1984: Sidney M Hopfer; F W Sunderman; K S McCully; M C Reid; C Liber; J Richard Spears; J Serur
Studies of the pathogenesis of arteriosclerosis induced in rats by intrarenal injection of a carcinogen, nickel subsulfide.
Annals of clinical and laboratory science 1984;14(5):355-65.
1984: F W Sunderman; M C Crisostomo; M C Reid; Sidney M Hopfer; S Nomoto
Rapid analysis of nickel in serum and whole blood by electrothermal atomic absorption spectrophotometry.
Annals of clinical and laboratory science 1984;14(3):232-41.
1984: Sidney M Hopfer; F W Sunderman; M C Reid; E Goldwasser
Increased immunoreactive erythropoietin in serum and kidney extracts.
Research communications in chemical pathology and pharmacology 1984;43(2):299-305.
1982: F W Sunderman; Sidney M Hopfer; M C Reid; S K Shen; C B Kevorkian
Erythropoietin-mediated erythrocytosis in rodents after intrarenal injection of nickel subsulfide.
The Yale journal of biology and medicine 1982;55(2):123-36.
1982: K S McCully; L A Rinehimer; C G Gillies; Sidney M Hopfer; F W Sunderman
Erythrocytosis, glomerulomegaly, mesangial hyperplasia, sialyl hyperplasia, and arteriosclerosis induced in rats by nickel subsulfide.
Virchows Archiv. A, Pathological anatomy and histology 1982;394(3):207-20.
1982: K S McCully; F W Sunderman; Sidney M Hopfer; C B Kevorkian; M C Reid
Effects of unilateral nephrectomy on erythrocytosis and arteriosclerosis induced in rats by intrarenal injection of nickel subsulfide.
Virchows Archiv. A, Pathological anatomy and histology 1982;397(3):251-9.
1980: Sidney M Hopfer; F W Sunderman; E E Morse; T N Fredrickson
Effects of intrarenal injection of nickel subsulfide in rodents.
Annals of clinical and laboratory science 1980;10(1):54-64.