ライフサイエンスコーパス: negative

1 was diagnosed when HBsAg and anti-HCVAb was negative.

2 plete and slow as DeltarG values became less negative.

3 st that values less than 0.2 IU/ml were true negatives.

4 tation carriers (genotype positive/phenotype negative), 10 patients with hypertrophic obstructive car

5 1 participant with endophthalmitis (culture negative), 9 with IOP more than 10 mm Hg greater than ba

6 cortex and anterior cingulate in response to negative affective cues, as well as during emotion regul

7 se in nonhuman primates (NHP) with the mGlu5 negative allosteric modulator (NAM) 7.

8 ia in vivo using a photocaged mGlu5 receptor negative allosteric modulator.

9 noscopic level, we reveal their roles in the negative amplitude-frequency relationship and in beta-ad

10 Ten isolates were negative and 27 positive for mecA No major errors for ce

11 icant differences were found between B2A-CIC-negative and control group patients.

12 sociated with secretion systems in many Gram-negative and Gram-positive bacteria.

13 he catalyst's dual ability to stabilize both negative and positive charges.

14 Negative and positive symptoms also worsened (Cohen's d

15 Twelve pre-surgical TLE patients (7 MRI-negative) and age-matched healthy volunteers were scanne

16 micked vasculitis, angiography was uniformly negative, and spinal imaging frequently demonstrated lon

17 s underlying both original antigenic sin and negative antigenic interaction, to support development o

18 parent dyads was statistically significantly negative (aOR = 0.62; 95% CI 0.40-0.94).

19 n the full cohort, with florbetapir positive/negative-associated variability; and (iii) this 18F-AV-1

20 han HC (p = 0.016) and OB (p = 0.007), and a negative association between t50 and BMI was observed be

21 .37 (95% CI: -0.14, 0.87)] and a significant negative association with body weight were estimated [MD

22 ighting had a significant (P = 8.8 x 10(-7)) negative association with fractional anisotropy of the f

23 swabs from inpatients with MCRPEC and mcr-1 negative at the hospitals and collected between May and

24 Philadelphia chromosome (Ph)-positive or Ph-negative B-cell acute lymphoblastic leukaemia who were d

25 e, we chose the pilus protein FimG from Gram-negative bacteria and a disulfide-bonded variant of the

26 Although a number of Gram-negative bacteria are known to catabolize quinate and sh

27 ty against a panel of Gram-positive and Gram-negative bacteria revealed structure-activity relationsh

28 tilization of enterobactin permits many Gram-negative bacteria to thrive in environments where low so

29 and showed that HFM increases rat fecal Gram-negative bacteria, elevates lipopolysaccharides (LPS), a

30 ad antibiotic resistance, especially of Gram-negative bacteria, has become a severe concern for human

31 e zauPzapA operon is present in diverse Gram-negative bacteria, indicating a common mechanism for Z-r

32 In Gram-negative bacteria, some of these pumps form multi-protei

33 mensal and pathogenic Gram-positive and Gram-negative bacteria.

34 arrel outer membrane proteins (OMPs) in Gram-negative bacteria.

35 roteins into the outer membrane (OM) of Gram-negative bacteria.

36 e of Type Vd secreted phospholipases in Gram-negative bacteria.

37 understand morphology in the dimorphic Gram-negative bacterium Caulobacter crescentus.

38 was Prox1-positive, CD31-positive and LYVE-1-negative, bearing a different molecular signature from b

39 icular, clustered age distributions led to a negative bias in their growth trends.

40 For K1, spectral analysis showed a negative bias of 16%.

41 ately estimated dispersion parameters in the negative binomial framework.

42 r analyses show that, among the methods, the negative binomial mixed model (NB-fit), compound Poisson

43 Additionally, a stepwise zero-inflated negative binomial model was used to assess predictors of

44 ion analysis for remission and zero-inflated negative binomial regression analysis for alcohol consum

45 ds in rates of antimicrobial resistance, and negative binomial regression to examine trends in iciden

46 oisson model is comparable to the celebrated Negative Binomial, but much easier to estimate.

47 l during cell-free HIV-1 infection follows a negative-binomial distribution, and our model reproduces

48 sly undergone prostate biopsy, (b) had prior negative biopsy findings with increased prostate-specifi

49 ependent data set, 2 of 9 (22.2%) ERBB2/HER2-negative BrCa switched to ERBB2/HER2-positive with 1 BrM

50 Triple-negative breast cancer (TNBC) comprises approximately 20

51 strogen receptor-negative (ER(-)) and triple-negative breast cancer (TNBC), nitric oxide synthase-2 (

52 JNK is highly activated in basal-like triple-negative breast cancer (TNBC).

53 p are highly effective in inhibiting ERalpha-negative breast cancer due at least in part to epigeneti

54 Triple-negative breast cancer, compared with non-TNBC, likely a

55 d metastatic hormone receptor-positive, HER2-negative breast cancer.

56 in a mouse orthotopic model of human triple-negative breast cancer.

57 Triple-negative breast cancers (TNBC) are highly aggressive, la

58 Triple-negative breast cancers (TNBCs) are more common among Af

59 Purpose Trop-2, expressed in most triple-negative breast cancers (TNBCs), may be a potential targ

60 esized that selective expression of dominant-negative C-terminus-truncated human DISC1 (mutant DISC1)

61 hal in argininosuccinate synthetase 1 (ASS1)-negative cancers, including mesothelioma.

62 here mRNA from PGE2-G response-positive and -negative cell lines was subjected to transcriptome-wide

63 temperature, partitioning is exothermic with negative changes in entropy.

64 py-driven and unlikely to be affected by the negative charge by K65 acetylation.

65 e third metal is positioned to stabilise the negative charge of the 5'-phosphate, and thus three meta

66 We conclude that a concentrated region of negative charge, not steric properties, resulting from m

67 ive charges facilitating oligomerization and negative charges inhibiting it.

68 Utilization of negative checkpoint regulators (NCRs) for cancer immunot

69 ontribute to the pathogenesis of retinopathy-negative CM.

70 ant for vegetation at the global scale, with negative consequences for both provisioning and climate

71 h as low socioeconomic status (SES) can have negative consequences for long-term health.

72 e both past and future exposures as multiple negative control exposures to further attenuate confound

73 Negative control outcomes of myocardial infarction (MI)

74 and endocervical cells transfected with miR-negative control, miR-143 or miR-145 were used in cell p

75 additives (SOcontrol) served as positive and negative controls, respectively.

76 in 26 libraries from three blood donors and negative controls.

77 lative to controls, as well as a significant negative correlation between pH and lactate levels.

78 ASE in six genes showed significant negative correlation between promoter methylation and ex

79 changes (P <0.05), whereas adipsin showed a negative correlation with IPGTT area under the curve val

80 rved nectar concentrations of bat flowers or negative correlations between pollinator body size and a

81 overall life expectancies than did their HIV-negative counterparts in the general population [29.1 ye

82 d coffee suitability and bee richness (i.e., negative coupling), however, occur in 34-51% of other ar

83 The peaks in nickel abundance correlate with negative delta(13)C and delta(18)O anomalies, suggesting

84 ute a dynamic version of the edge-protection negative design strategy used in protein evolution to li

85 e a droplet to one side of the droplet using negative dielectrophoresis (nDEP), followed by asymmetri

86 x state in 2H-NbS2 superconductor exhibits a negative differential resistance (NDR) transition from a

87 ine the clinical implications of positive or negative direct immunofluorescence biopsies (DIF) in pat

88 Wild-Type and dominant-negative-DISC1 (DN-DISC1) mice were injected with THC (1

89 re similar among women with hormone receptor-negative disease, although the HRs were substantially sm

90 A dominant-negative (dn) atypical PKM selectively reversed associat

91 We found that overexpression of dominant-negative (DN) forms of NSF or knockdown of the expressio

92 ay lead not only to cost savings but also to negative downstream consequences.

93 However, in usual practice, negative DPD values are commonly calculated, potentially

94 peech comprehension, whereas donepezil had a negative effect.

95 Many studies describing negative effects have been criticized as the experimenta

96 g herbivores, which can overwhelm any direct negative effects.

97 ective samples submitted for PRNT, nine were negative, eight specimens had neutralizing antibodies to

98 analysis showed that BL reduced responses to negative emotional stimuli in multiple brain areas, incl

99 The Distancing-Embracing model proposes that negative emotions are constitutive of aesthetic experien

100 ered more changes in autonomic functions and negative emotions during, rather than in the absence of,

101 Literary authors concentrate on negative emotions, seemingly to try and understand them.

102 Hb as a key molecular determinant regulating negative emotions, which may help to understand the mole

103 Hunger, driven by negative energy balance, elicits the search for and cons

104 acterizing and neutralizing similar cases of negative epistasis could improve productivity in many ag

105 In estrogen receptor-negative (ER(-)) and triple-negative breast cancer (TNBC

106 It is activated by stimuli associated with negative experiences and is involved in encoding aversiv

107 n during sleep renders long-term memories of negative experiences more negative in SAD patients but n

108 We hypothesized that a negative family history and no sarcomere mutations repre

109 1 substrates in M. marinum are fine-tuned by negative feedback control, linking the expression of the

110 ve feedback loops, such that the effect of a negative feedback depends on its position with respect t

111 cts a weaker response to therapy if there is negative feedback from differentiated tumor cells that i

112 like responses to inputs, is nested within a negative feedback loop that encompasses RAS and RAF, MEK

113 CCN3/NOV inhibits AR signaling and acts in a negative feedback loop to block AR function.

114 Our data suggest that miR-323-3p acts in a negative feedback loop to control the production of IL-2

115 Two auxiliary negative feedback loops, from ERK to MEK and RAF, placed

116 sitive feedback introduces a hierarchy among negative feedback loops, such that the effect of a negat

117 sin modulated neural activity when receiving negative feedback on task performance from a study inves

118 e reason that the resulting tissue selective negative feedback regulation is essential to establish s

119 nd inflammatory cytokine signaling through a negative feedback regulation loop involving down-regulat

120 onger timescales, CO2 release could act as a negative feedback, limiting progress of glaciation, depe

121 niformly regulates thalamic activity through negative feedback.

122 eased LH pulse frequency, indicating loss of negative feedback.

123 tially mediate plant species coexistence via negative feedbacks.

124 s screened at least once and found to have a negative FIT result at baseline (below the cut-off value

125 association between exposure to positive or negative fluid balance, compared with even fluid balance

126 The infectious workup was negative for all three patients, and antibiotics were di

127 testing, laboratory workup, and imaging were negative for cardiac or neurologic etiology.

128 was 6.2% based on ZIKV immunoglobulin M and negative for dengue reactivity.

129 jects with acute respiratory illness testing negative for influenza.

130 Gaussian curvature-positive for spheres and negative for saddles-has proven a versatile tool to guid

131 o assign a dichotomous rating of positive or negative for the presence of amyloid.

132 t had no cerebral abnormalities, and 11 were negative for Zika virus but had cerebral abnormalities.

133 of cognitive dissonance elicited a stronger negative frontocentral deflection that peaked approximat

134 These negative functional consequences of disinhibition may in

135 method results (n = 117), and specimens with negative fungal culture, but with microscopic and ancill

136 SATAY (1) reveals positive and negative genetic interactions in single and multiple mut

137 %, group 1), and the remaining patients were negative (group 2).

138 lations that would otherwise have an average negative growth rate by increasing the duration of favor

139 Two patients who were sputum sample negative had MABSC isolated in their gastric juice or PE

140 nalysis of peripheral blood B cells of 30 MC-negative HCV-infected patients and 15 healthy controls r

141 ed meat consumption has been associated with negative health effects.

142 , and muscle insulin resistance confers many negative health outcomes.

143 were classified as HER2-positive (HER2+) or -negative (HER2-) based on fluorescence in situ hybridiza

144 numbers of circulating CD4+ cells in the HIV-negative (HIV-) brain-dead donor (BDD) is not known.

145 ing chromatin regulators is warranted in HPV-negative HNSCCs driven by aberrant H3K36 methylation.

146 timicrobial resistance, particularly in Gram-negative hospital pathogens, which has led to renewed ef

147 For honey bees, we found both negative (Hungary and United Kingdom) and positive (Germ

148 systems have led to detailed accounts of how negative images are formed at the level of synaptic plas

149 bserved only during cognitive reappraisal of negative images.

150 sing donors such as NL-44, will minimize the negative impact of heat stress and increase global food

151 Our study confirms a negative impact of SVD-related morphologic brain changes

152 compounds and antioxidant activity whereas a negative impact on lipase inhibitory activity was observ

153 ty and quantity of meibum is altered, with a negative impact on the ocular surface.

154 to optimize treatment strategies to reduce a negative impact on the quality of survivorship.

155 ally nonhybridized, emphasizing the chronic, negative impacts of human-mediated hybridization.

156 ocial interventions aimed at alleviating the negative impacts of poverty on children are frequently s

157 ntensity of their interactions, exacerbating negative impacts on biodiversity.

158 Five of 8 C4d-positive recipients turned C4d-negative in 5-week follow-up biopsies, while another 2 r

159 s assay in 10.7% of asthma patients, but was negative in all control individuals.

160 g-term memories of negative experiences more negative in SAD patients but not in healthy controls.

161 the seven patients with a positive TC but a negative index EIA developed CDI within 30 days after th

162 ended outcome was observed in the FFV arm: a negative intervention effect on mean haemoglobin (Hb) st

163 cartridge prior to analysis by ESI-MS/MS in negative ion mode.

164 n liquid chromatography (HILIC) coupled to a negative-ion electrospray ionization tandem mass spectro

165 of 0.02% acetic acid was more appropriate in negative ionization mode.

166 lar-weight isoform of cyclin E (cytoplasmic)-negative) is a reliable prognostic biomarker in ER posit

167 May and December, 2015, compared with mcr-1-negative isolates from rectal swabs of inpatients (colon

168 nstead, we use game theory to show that such negative kin discrimination can be explained by selectio

169 ) version 2 score to better understand false-negative lesion characteristics.

170 ey may interact with genetic risk to produce negative long-term health consequences such as neurodege

171 egative" (n = 152) and 19.4% (n = 13) of "CF negative" LT + STp (n = 67) expressing isolates analyzed

172 ariate resolution curve fitting known as non-negative matrix factorization with alternating least-squ

173 are not driven by MCPyV and that such virus-negative MCCs, which can be quite reliably identified by

174 f internal states than for behaviors and for negative mental states and physical symptoms than for po

175 (HGF-positive, MET-positive) and MKN45 (HGF-negative, MET-positive) and 4 patient-derived xenografts

176 , whereas there was no significant effect of negative microscopic resection margins (AHR, 0.9; 95% CI

177 levant number of patients with FDG-PET false-negative MM and a strong association between hexokinase-

178 the positively charged phospholipids to the negative mode.

179 in vivo Furthermore, soluble TLR2 (sTLR2), a negative modulator of TLRs that we detected in PDE, inhi

180 Over the entire dose range, there are negative mortality dose trends for all circulatory disea

181 third of metastases < 1.0 cm were (18)F-FET-negative, most likely because of scanner resolution and

182 all intent-to-treat minimal residual disease-negative (MRD(-)) remission rate for this phase 1 study

183 AAR3-slices and MI sizefull LV resulted in 'negative' MSI in 7/48 patients.

184 Here, we show that dominant-negative mutants of ATL1 in PC-12 cells inhibit nerve gr

185 ed as phenotype-positive (n=72) or phenotype-negative (n=102).

186 isolates revealed that 8.6% (n = 13) of "CF negative" (n = 152) and 19.4% (n = 13) of "CF negative"

187 associated with the 'default mode' or 'task negative' network.

188 ormone receptor-positive vs hormone receptor-negative), nodal status (0 vs 1-3 vs or >/=4 positive no

189 patient has hormone receptor-positive, HER2-negative, node-positive breast cancer, the MammaPrint as

190 ing cT1-2 N1-2b pathologically confirmed HPV-negative OPSCC in 2010 to 2012 were identified using the

191 compared to cells infected with either cagA-negative or cag pathogenicity island (PAI) mutant.

192 ining mutations are probably weakly dominant negative or their effects are context dependent.

193 In longitudinal trials, negative oral fluid results should be confirmed via test

194 le negative reflection occurs when the first negative order Floquet-Bloch mode dominates inside the m

195 Pseudomonas aeruginosa is a pathogenic gram-negative organism that has the ability to cause blinding

196 decision outcome (e.g., risk) or aversion to negative outcomes (e.g., loss).

197 Scientific and lay interest in negative outcomes associated with exposure to repetitive

198 Among 1391 initially HCV-negative participants followed prospectively (1644.5 per

199 ctions by comparing newly diagnosed with HIV-negative participants.

200 3 ligase (NEL) domain that is unique to Gram-negative pathogens and whose activity is repressed by a

201 or specimens from 23 HIV-positive and 17 HIV-negative patients (29 men and 11 women; mean [SD] age, 5

202 1) or 3 (cohort 2) cycles of weekly BV; PET-negative patients (Deauville score </=2) proceeded to au

203 immunodeficiency virus and hepatitis D virus-negative patients with pretransplant HBV DNA undetectabl

204 In ePET-negative patients, 5-year PFS rates in the F group were

205 ngs do not support the classification of DIF-negative patients, meeting the clinical criteria for ocu

206 te is demonstrated by modifying a well-known negative photoresist, SU-8, with LiClO4 .

207 for endosperm nutritional quality but cause negative pleiotropic effects for reasons that are not fu

208 tes ethylene capture, and subsequent dose of negative potential (-2.0 V) induces the release.

209 tetrahydrofuran at -0.48 V vs NHE, the least negative potential reported for a molecular catalyst.

210 cesses: electrochemically polarizing MoS2 at negative potentials (vs RHE) in acidic media or immersin

211 the electrolytes on the electrode surface at negative potentials.

212 een stimuli and food outcomes and computes a negative prediction error in Pavlovian conditioning.

213 we found the opposite valence-induced bias: negative prediction errors were preferentially taken int

214 atients required neurosurgical intervention (negative predictive value [NPV], 100.0% [95% CI: 99.9%-1

215 specificity, positive predictive value, and negative predictive value for NLP algorithm in predictin

216 hen both parameters exceeded thresholds, the negative predictive value for survival above 1 y was 79%

217 specificity, positive predictive value, and negative predictive value of 96.0% (95% confidence inter

218 had a positive predictive value of 83% and a negative predictive value of 98% for identifying partici

219 tients with CRC with 87.0% sensitivity and a negative predictive value of 99.4%.

220 The negative predictive value of programmatic early success

221 Given the high sensitivity and negative predictive value of results obtained, BacterioS

222 lue of confocal microscopy was 87.5% and the negative predictive value was 58.5%.

223 h high-risk cirrhosis generates positive and negative predictive values of 80% and 86%, respectively.

224 By following the maximum range of negative pressure, along with the observed slight decrea

225 lignancy in kidney allograft recipients with negative pretransplant HBc, HCV, EBV, or CMV serology.

226 More negative pretreatment connectivity between the sgACC and

227 Defining the microbial etiology of culture-negative prosthetic joint infection (PJI) can be challen

228 In men with a negative PSMA who received SRT, 85% (n = 23/27) demonstr

229 kers focus on avoiding permit violations and negative publicity by embracing a conservative/safe appr

230 n D deficiency is potentially causal of sero-negative RA and provide new insights into the pathogenes

231 ls suffer from high false positive and false negative rates.

232 cigarette use), indicating substantial false-negative rates.

233 ith more direct response trajectories toward negative ratings (i.e., less response competition).

234 ations in cortisol were associated with more negative ratings of surprised faces, and with more direc

235 hite, and hematite reduction over a range of negative reaction free energies, DeltarG, that were obta

236 ailors the incident beams, and the all-angle negative reflection occurs when the first negative order

237 stic gradient metasurface, and the all-angle negative reflections have been perfectly verified by exp

238 APP limits venous thromboembolism through a negative regulation of both fibrin formation and neutrop

239 ution of endogenous TGF-beta proteins to the negative regulation of muscle mass via their activation

240 POP in prostate cancer in which it acts as a negative regulator of BET protein stability and also pro

241 ssion of Von Hippel Lindau protein (pVHL), a negative regulator of HIF, and that treatment with the c

242 sphatase (TC-PTP), also known as PTPN2, as a negative regulator of IL-7R-STAT signaling in T cell pro

243 d in primary immune deficiency, PLCG2, and a negative regulator of inflammation, SLAMF8.

244 he H3K9 methyltransferase SETDB1 as a novel, negative regulator of innate immunity.

245 lly restricting atypical protein kinase C, a negative regulator of non-muscle myosin IIB.

246 eness of GBM cells, and that Nrdp1 acts as a negative regulator of PCP signaling by inhibiting Dvl th

247 Expression of CD200 (OX2), a negative regulator of T-cell function that binds CD200 r

248 1 gene, which encodes p120 RasGAP (RASA1), a negative regulator of the Ras small GTP-binding protein.

249 It is a negative regulator of tissue repair and regeneration in

250 suggest that CLIP170 serves as an intrinsic negative regulator of TLR4 signaling that targets TIRAP.

251 on of p53 in cancer by dual targeting of the negative regulators HDM2 and HDMX.

252 for both TCRs and CARs suggested a role for negative regulators in both systems.

253 ies on differential activity of positive and negative regulators of alternative polyadenylation.

254 Rather than being dominant-negative regulators, Tcf1 short isoforms are adequate in

255 We also find that a RUNX1 domain, termed the negative regulatory domain for DNA binding, can compensa

256 We propose a model where positive and negative regulatory influences at each promoter site are

257 ests that what are conventionally considered negative regulatory mechanisms of olfactory transduction

258 only had experience of one prior contest, a negative relation between winner RHP and costs suggested

259 and cluster analyses, we determined a strong negative relationship between total phenols and flavonoi

260 HCM after family screening, 74 FG+/phenotype-negative relatives, and 9 with noncompaction or dilated

261 ng gap junctions, cardiac macrophages have a negative resting membrane potential and depolarize in sy

262 proach for urine screening and might produce negative results in as few as 3 h, with no downstream wo

263 rasitemia, and PfHRP-II tests can give false-negative results when P. falciparum strains do not expre

264 ems associated with false-positive and false-negative results, inconsistencies and low reactivity of

265 Thus, TRAF3 plays a negative role in platelet activation and in thrombus for

266 ion and, contrary to their proposed dominant-negative role, did not interfere with the expression of

267 the demonstration of functional intrathymic negative selection in I-A(12%) mice, transfer of I-A(12%

268 r (AIRE) protein is the key factor in thymic negative selection of autoreactive T cells by promoting

269 We show that negative selection thresholds chosen to reflect experime

270 Thymocytes must pass both positive and negative selections to become mature T cells.

271 aviruses (family Bunyaviridae) are enveloped negative-sense tripartite RNA viruses.

272 t Ags, and they are more susceptible to Gram-negative sepsis.

273 and inhibition as expressed by positive and negative shifts in BOLD fMRI signal.

274 depends on the balance between positive and negative signals that control cell proliferation.

275 increases the salience of both positive and negative social cues.

276 posed of 15 conserved proteins in model gram-negative species.

277 ral years as a rapid screening tool, whereby negative specimens are excluded from culture.

278 also solve the structure of this complex by negative stain electron microscopy, demonstrating that t

279 Arenaviruses are enveloped negative-strand RNA viruses that cause significant human

280 in for patients with HER2-positive or triple-negative subtypes and extracranial metastases.

281 Disagreement was defined as a negative symptom report or no mention of a symptom in th

282 ive striatum correlated with inattention and negative symptoms in CD, and with poorer working memory

283 outcome via impaired cognition and increased negative symptoms.

284 n at least one of the following Positive and Negative Syndrome Scale (PANSS) items: P1 (delusions), P

285 lts with infection-positive versus infection-negative systemic inflammation.

286 When cultures were negative, the antibiotic treatment was stopped.

287 heat, in combination with exercise, were all negative.The results of the skin prick test (SPT) for Ci

288 Triple-negative (TN) breast cancer (BC) shares histological cha

289 elevated prostate-specific antigen (PSA) and negative transrectal ultrasonography (US)-guided biopsy

290 A statistically significant negative trend in survival was observed for increasing p

291 Here we show that despite these negative trends, there is a threefold increase in widesp

292 like tumors (24% v 8%; P < .001), and triple-negative tumors (21% v 6%; P = .08), but not for human e

293 patients, especially those with HER2 and ER negative tumors, who will receive one of the widely-acce

294 ting the number of false positives and false negatives under high-throughput screening conditions is

295 ons are negatively reinforcing and that this negative-valence signal is transmitted along projections

296 e, we show that overexpression of a dominant-negative version of DA1 enhances leaf size in a broad ra

297 easons for the red transparency and possible negative visual effects of the spectral properties of th

298 status (e.g., EGFR-positive [EGFR+] vs. EGFR-negative) was assessed using the Wilcoxon rank-sum test.

299 mprove blood safety by reducing the antibody negative window period in blood donors in resource limit

300 of smaller CaCO3 particles with a much more negative zeta-potential.